CN212170076U - Double-station vertical and horizontal shaft diamond grinding wheel in-place dresser - Google Patents
Double-station vertical and horizontal shaft diamond grinding wheel in-place dresser Download PDFInfo
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- CN212170076U CN212170076U CN202020332953.9U CN202020332953U CN212170076U CN 212170076 U CN212170076 U CN 212170076U CN 202020332953 U CN202020332953 U CN 202020332953U CN 212170076 U CN212170076 U CN 212170076U
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Abstract
The utility model relates to a duplex position is found axle diamond grinding wheel dresser on throne immediately, dresser on throne includes: the bottom plate is fixed on one side of the workbench and is provided with a liquid collecting groove which is communicated with a liquid discharge pipe; the two groups of brackets are symmetrically fixed on the bottom plate along the X-axis direction of the workbench; two sides of the top of the cradle type base correspond to the tops of the two groups of supports respectively and can swing to form a vertical station or a horizontal station; two sides of the top of the cradle type base extend downwards to form a bottom mounting area, and the output end of the motor is fixed downwards and penetrates out of the bottom mounting area; a grinding wheel dressing mechanism is arranged on the bottom mounting area in parallel with the motor, and an output shaft of the motor transmits power to the grinding wheel dressing mechanism through a synchronous belt; the locking mechanism is used for limiting the cradle type base to swing relative to the support after the station is adjusted. The utility model discloses satisfied heavy-calibre optical element and in the manufacturing process in batches, the requirement of high accuracy, high-efficient on-the-spot maintenance of plane and circular arc diamond grinding wheel.
Description
Technical Field
The utility model relates to an optical element ultra-precision machining technical field, more specifically the utility model relates to a duplex position is found axle diamond grinding wheel that crouches and is in place trimmer that says so.
Background
The large-caliber precise optical element is a fundamental important functional device in a modern large-scale optical system, and the processing quality of the element directly influences the comprehensive performance of the optical system. At present, an ultra-precision forming and grinding method is a key technology for realizing the mass manufacturing of large-caliber optical elements. The ultra-precision grinding processing utilizes a micro-powder diamond grinding wheel to move according to the designed track of the surface of the element under the precise control of a numerical control system, and realizes the deterministic micro-removal of the element, thereby finally forming the required optical surface. Based on the parallel grinding principle, the plane diamond grinding wheel realizes the ultra-precise grinding processing of the large-caliber plane and inclined plane optical elements, and the arc diamond grinding wheel realizes the ultra-precise grinding processing of the large-caliber spherical and aspheric surface optical elements. Because the optical material is high in hardness and easy to crack, on one hand, the diamond grinding wheel is easy to wear in the grinding process, and on the other hand, the worn diamond grinding wheel can also cause the depth of sub-surface cracks of the element to be increased in the element processing process, and finally the quality of the element is influenced. Therefore, in the grinding process of the large-caliber optical element, the diamond grinding wheel needs to be regularly subjected to in-place dressing according to the actual use condition of the diamond grinding wheel, a wear passivation layer on the surface is removed, diamond abrasive grains are exposed convexly, and high shape precision is obtained.
At present, an off-line dressing method is generally adopted, although the dressing and sharpening of the grinding wheel can be realized, after the grinding wheel is installed on a main shaft of an ultra-precision grinding machine tool, the clamping error of the diamond grinding wheel cannot be avoided, and the error can be copied to the surface of an element when the element is machined, so that the machining quality of the element is influenced. The prior art also discloses an online grinding wheel dresser with an inclined cup, which is provided with an industrial personal computer, a motion controller, 3 motor drivers and a sensor interface circuit, wherein the motion controller is connected with the industrial personal computer and the 3 motor drivers. The grinding wheel dresser is provided with a dressing grinding wheel, a grinding wheel flange, a main shaft belt wheel box, a main shaft, 3 servo motors, 3 transmission mechanisms, a base, a swing arm support, a swing arm rotating shaft, a sensor support and a swing arm, the dressing grinding wheel is arranged on the grinding wheel flange, the grinding wheel flange is arranged on the main shaft, 3 motors are connected with 3 drivers, and the 1 st motor is connected with the main shaft through the 1 st transmission mechanism. The No. 2 motor drives the sliding block, and the No. 3 motor is connected with the rotating shaft of the swing arm through a No. 3 transmission mechanism. The swing arm support is installed on the base, and the swing arm support connects the swing arm pivot, and the main shaft band pulley case connects the swing arm, and the sensor support mounting is on the swing arm, and the sensor is connected with the industrial computer. The invention can realize the in-situ precise dressing of the plane and arc diamond grinding wheel, but the dresser has a complex structure, needs a plurality of sets of motion execution transmission mechanisms, and needs the support of a numerical control system in the dressing process to realize multi-axis linkage control.
In the batch manufacturing process of the large-caliber optical elements, the plane and arc diamond grinding wheels need to be dressed in place with high precision and high efficiency, and the dressing modes have defects; therefore, how to solve the problem that the high-precision and high-efficiency in-situ dressing of the plane and arc diamond grinding wheels needs to be solved by the technicians in the field in the process of manufacturing the large-caliber optical elements in batches.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to provide a duplex position is found horizontal axle diamond grinding wheel trimmer on throne realizes on one set of trimmer that plane optical element diamond grinding wheel and aspheric surface optical element diamond grinding wheel for the grinding maintain on throne, reduces the complexity of trimmer structure.
The utility model provides a duplex position is found horizontal axle diamond grinding wheel trimmer on throne immediately, include:
the bottom plate is fixed on one side of the workbench G and is integrated with the workbench G; a liquid collecting groove is arranged on the grinding wheel dresser, and a liquid discharging pipe which is communicated with the liquid collecting groove and used for discharging waste liquid generated in the grinding wheel dressing process is arranged on the grinding wheel dresser;
the two groups of supports are symmetrically fixed on the bottom plate along the X-axis direction of the workbench G;
the two sides of the top of the cradle type base correspond to the tops of the two groups of supports respectively and can swing to form a vertical station or a horizontal station;
the two sides of the top of the cradle type base extend downwards to form a bottom mounting area, and the output end of the motor is fixed downwards and penetrates out of the bottom mounting area;
the grinding wheel dressing mechanism is arranged on the bottom mounting area in parallel with the motor, and an output shaft of the motor transmits power to the grinding wheel dressing mechanism through a synchronous belt; and
and the locking mechanism is used for limiting the swinging of the cradle type base relative to the support after the station is adjusted.
The liquid collecting tank collects the cooling waste liquid in the finishing process, and the cooling waste liquid is recycled to a waste liquid barrel or a sewer pipeline through a liquid discharge pipe to be discharged, so that the defect quality of a machining element is prevented from being influenced by hard particles such as diamond particles, grinding particles of a finishing grinding wheel and the like in the waste liquid mixed into grinding liquid of a machine tool.
According to the technical scheme, compared with the prior art, the utility model discloses a duplex position is found horizontal axle diamond grinding wheel trimmer on throne, be fixed in workstation one side, do not influence the operation of component grinding station, can adjust the vertical station or the horizontal station of emery wheel trimming mechanism through cradle formula base, realize respectively that the plane diamond grinding wheel of grinding plane optical element and the circular arc diamond grinding wheel of grinding aspheric surface optical element's quick accurate trimming on throne, the while has reduced the installation error after the off-line is maintained, the emery wheel accuracy of repairing has been improved, optical element's grinding precision has further been improved; the structure is simple, the size is small, the complexity of the equipment structure is reduced, the grinding cost of the optical element is integrally reduced, and the requirements of high-precision and high-efficiency in-place dressing of the plane and arc diamond grinding wheel in the batch manufacturing process of the large-caliber optical element are met.
Further, the bracket comprises a fixing plate, a supporting plate and a rib plate; the fixing plate is fixed on the bottom plate, the supporting plate and the fixing plate are arranged vertically, the top of the supporting plate is provided with a bearing hole along the horizontal direction, and a bearing is arranged in the bearing hole; the rib plates form an L shape and are sequentially connected with the bottom of the bearing hole, the inner side of the supporting plate and the upper part of the fixing plate. Four mounting holes are arranged on the fixing plate and are fixed on the bottom plate through screws; in order to ensure the supporting strength, a rib plate is arranged, and a pin hole is formed in the rib plate and used for connecting a locking mechanism.
Furthermore, the bottoms of at least one group of the brackets are connected with a micro-lifting mechanism; the micro lifting mechanism comprises an upper wedge plate and a lower wedge plate; the top of the upper wedge plate is fixed with the fixed plate, and the bottom of the upper wedge plate is provided with a first wedge angle and is matched with a second wedge angle on the top surface of the lower wedge plate to slide; the lower wedge plate is fixed with the bottom plate; the first wedge angle and the second wedge angle are arranged in opposite wedge directions and have the same angle. The bottom of one or two supports can be connected with a micro-lifting mechanism, so that the axes of two groups of bearing holes can be conveniently adjusted to be positioned on the same horizontal straight line, namely the rotation axis of a finishing grinding wheel is parallel to the Z axis of a machine tool when the trimmer is adjusted to be positioned at a vertical shaft station, and finally the parallelism between the section profile of the plane diamond grinding wheel shaft to be finished and the main shaft support of the machine tool is realized.
Further, the micro-lifting mechanism also comprises an adjusting screw rod and a spring; lower wedge plate one end has the regulating plate, has the screw on the regulating plate, goes up the wedge plate and corresponds the regulating plate side and have the fixed orifices, and adjusting screw rod first end is fixed in the fixed orifices, and the second end cooperates with the screw, and installs the spring between regulating plate and the last wedge plate. The inclined surfaces of the two wedge plates are attached together during assembly. The upper wedge plate slides in the horizontal direction relative to the lower wedge plate by rotating the adjusting screw rod, and the upper wedge plate can slowly lift and descend during relative translation due to the fact that the two wedge plates have small wedge angles, and finally the support arranged on the upper wedge plate is driven to do micro lifting movement. The upper wedge plate and the lower wedge plate are provided with oil storage tanks, and a certain amount of lubricating grease is stored in advance during assembly, so that the upper wedge plate and the lower wedge plate are smooth in the adjusting process and easy to operate.
Further, the cradle base includes: the base body and the swing shaft; the lower part of the base body is a bottom mounting area, the two sides of the base body are side plates, the outer side of each side plate corresponds to one group of swing shafts, square holes matched and fixed with the locking mechanism are formed in one group of swing shafts and/or two groups of swing shafts, and a certain inner inclination is formed in each square hole. The pendulum shaft is matched with the bearing and is arranged in the bearing hole.
Further, the bottom of the motor is fixed in the bottom mounting area through a motor position adjusting plate. The distance between the motor and the grinding wheel dressing mechanism can be adjusted through the position adjusting plate, and the synchronous belt is convenient to tension. The motor is a servo motor and transmits the rotary motion to the air floatation main shaft through a synchronous belt wheel and a synchronous belt.
Further, the grinding wheel dressing mechanism comprises an air floatation main shaft, a bearing sleeve and a dressing grinding wheel; the bottom of the bearing sleeve is fixed on the bottom mounting area, an air floatation main shaft penetrates through the bearing sleeve, and an air inlet is formed in the bearing sleeve; and a dressing grinding wheel is arranged at the top of the air floatation main shaft.
Further, the locking mechanism comprises a position locking rod and a tension spring; one end of the position locking rod can be fixed in the square hole, and the other end of the position locking rod is hinged to the lower part of the rib plate; one end of the tension spring is fixed with the fixed plate, and the other end of the tension spring is fixed on the position locking rod.
Furthermore, the position locking rod comprises a locking rod body, a square conical head and a hinged fork; the square conical head can be fixed in the square hole, and the hinge fork is hinged to the lower part of the rib plate through a pin shaft; the two ends of the locking rod body are respectively connected with the square conical head and the hinged fork.
The hinged fork is clamped on a rib plate of the support and is in pin connection with the support through a pin hole, and the locking rod body can rotate around the pin. The tension springs are respectively arranged on two sides of the pin hole; before the cradle type base needs to be swung, the position locking rod is pulled out manually and rotates to the lowest position, and at the moment, the tension spring pulls the position locking rod to prevent the position locking rod from rebounding; when the cradle type base swings to a required position, the position locking rod body is pushed up, the square cone is inserted into the square hole of the swing shaft, the locking rod body is tightly pressed into the square hole under the action of the tension spring, and the cradle type base is guaranteed to be locked. The square cone is a square inner oblique cone surface.
The utility model provides a double-station vertical and horizontal shaft diamond grinding wheel dressing method in place, which comprises vertical station dressing and horizontal station dressing;
and (3) trimming at a vertical station: adjusting the cradle type base to enable the grinding wheel dressing mechanism to be located at a vertical shaft station, adopting a cup-shaped dressing grinding wheel, driving the dressing grinding wheel to rotate by a motor, grinding the outer circumferential surface of the diamond grinding wheel by the end surface of the dressing grinding wheel, removing a wear layer on the surface of the diamond grinding wheel, and realizing shape dressing and sharpening; in the dressing process, the workbench drives the bottom plate to make back-and-forth feeding motion along the X axis, and the feeding distance is greater than the width of a circular ring of the cup-shaped dressing grinding wheel; after each feeding, the main shaft of the machine tool can do feed motion downwards along the Z axis;
horizontal station finishing: adjusting the cradle type base to enable the grinding wheel dressing mechanism to be located at a horizontal shaft station, adopting a parallel dressing grinding wheel, driving the parallel dressing grinding wheel to rotate by a motor, simultaneously controlling a machine tool spindle to drive the diamond grinding wheel to do circular interpolation motion along the outer circumferential surface of the dressing grinding wheel in a YZ plane through a numerical control program, and grinding and dressing the surface of the diamond grinding wheel by the outer circumferential surface of the dressing grinding wheel; after each feeding movement is finished, the diamond grinding wheel performs feeding movement downwards along the Z axis, and the movement track of the diamond grinding wheel in the YZ plane is a circle with the rotary axis of the dressing grinding wheel as the center of the circle.
According to the technical scheme, compared with the prior art, the utility model provides a pair of double-station vertical and horizontal axis diamond grinding wheel is at present dresser's finishing method, in the course of revising, the dresser is fixed in workstation one side, do not influence the operation of component grinding station, can adjust vertical station or horizontal station of emery wheel finishing mechanism through cradle type base, realize respectively grinding plane optical element's plane diamond grinding wheel and grinding aspheric surface optical element's circular arc diamond grinding wheel's quick accurate dressing at present, the installation error after the off-line is maintained has been reduced simultaneously, the emery wheel dressing precision has been improved, optical element's grinding precision has further been improved; the structure is simple, the size is small, the complexity of the equipment structure is reduced, the grinding cost of the optical element is integrally reduced, and the requirements of high-precision and high-efficiency in-place dressing of the plane and arc diamond grinding wheel in the batch manufacturing process of the large-caliber optical element are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vertical station of an in-place dresser for a double-station vertical and horizontal shaft diamond grinding wheel provided by the utility model;
fig. 2 is a schematic structural diagram of a horizontal station of the double-station vertical and horizontal shaft diamond grinding wheel in-place dresser provided by the utility model;
fig. 3 is a schematic structural diagram of a support of the double-station vertical and horizontal shaft diamond grinding wheel in-place dresser provided by the utility model;
FIG. 4 is a schematic structural view of the bracket bottom connected to a micro-lift mechanism;
FIG. 5 is a schematic view of the micro-lift mechanism;
FIG. 6 is a schematic view of the cradle base, motor and wheel truing mechanism (truing wheel not shown) mounted thereon;
FIG. 7 is a schematic view of the mounting of the bracket, locking mechanism, cradle base, motor and wheel truing mechanism (truing wheel not shown);
FIG. 8 is a schematic view of the position detent lever;
in the figure: 100-bottom plate, 101-collecting tank, 102-liquid discharge pipe, 200-bracket, 201-bearing hole, 202-fixing plate, 203-supporting plate, 204-rib plate, 300-cradle base, 301-base body, 302-swing shaft, 3021-square hole, 400-motor, 401-motor position adjusting plate, 500-grinding wheel dressing mechanism, 501-air floating main shaft, 502-bearing sleeve, 503-dressing grinding wheel, 504-air inlet, 600-locking mechanism, 601-position locking rod, 6011-locking rod body, 6012-square cone head, 6013-hinged fork, 602-tension spring, 700-micro-lifting mechanism, 701-upper wedge plate, 702-lower wedge plate, 704-adjusting screw rod, 703-spring, 705-adjusting plate, g-a workbench.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to the accompanying drawings 1-2, the utility model provides a duplex position is found horizontal axle diamond wheel trimmer in place immediately, include:
a base plate 100, wherein the base plate 100 is fixed on one side of the workbench G and is integrated with the workbench G; a liquid collecting groove 101 is arranged on the grinding wheel dresser, and a liquid discharging pipe 102 which is communicated with the liquid collecting groove 101 and is used for discharging waste liquid generated in the grinding wheel dresser process;
two groups of supports 200 are arranged, and the supports 200 are symmetrically fixed on the bottom plate 100 along the X-axis direction of the workbench G;
the two sides of the top of the cradle base 300 respectively correspond to and can swing on the tops of the two groups of supports 200 to form a vertical station or a horizontal station;
two sides of the top of the cradle base 300 extend downwards to form a bottom mounting area, and the output end of the motor 400 is fixed downwards and penetrates out of the bottom mounting area;
the grinding wheel dressing mechanism 500 is arranged on the bottom mounting area in parallel with the motor 400, and the output shaft of the motor 400 transmits power to the grinding wheel dressing mechanism 500 through a synchronous belt; and
and the locking mechanism 600 is used for limiting the swinging of the cradle type base 300 relative to the support 200 after the station is adjusted by the locking mechanism 600.
The liquid collecting tank collects the cooling waste liquid in the finishing process, and the cooling waste liquid is recycled to a waste liquid barrel or a sewer pipeline through a liquid discharge pipe to be discharged, so that the defect quality of a machining element is prevented from being influenced by hard particles such as diamond particles, grinding particles of a finishing grinding wheel and the like in the waste liquid mixed into grinding liquid of a machine tool.
The utility model discloses a duplex position is found horizontal axis diamond grinding wheel trimmer on throne, is fixed in workstation one side, does not influence the operation of component grinding station, can adjust the vertical station or the horizontal station of emery wheel dresser through cradle type base, realizes respectively grinding plane optical element's plane diamond grinding wheel and grinding aspheric surface optical element's circular arc diamond grinding wheel's quick accurate trimming on throne, has reduced the installation error after the off-line is maintained simultaneously, has improved the emery wheel and has maintained the precision, has further improved optical element's grinding precision; the structure is simple, the size is small, the complexity of the equipment structure is reduced, the grinding cost of the optical element is integrally reduced, and the requirements of high-precision and high-efficiency in-place dressing of the plane and arc diamond grinding wheel in the batch manufacturing process of the large-caliber optical element are met.
In an embodiment of the present invention, referring to fig. 3, the bracket 200 includes a fixing plate 202, a supporting plate 203 and a rib plate 204; the fixing plate 202 is fixed on the bottom plate 100, the supporting plate 203 is arranged perpendicular to the fixing plate 202, the top of the supporting plate is provided with a bearing hole 201 along the horizontal direction, and a bearing is arranged in the bearing hole 201; the rib plate 204 is formed in an L shape and sequentially connected to the bottom of the bearing hole 201, the inner side of the support plate 203 and the upper portion of the fixing plate 202. Four mounting holes are arranged on the fixing plate and are fixed on the bottom plate through screws; in order to ensure the supporting strength, a rib plate is arranged, and a pin hole is formed in the rib plate and used for connecting a locking mechanism.
In another embodiment of the present invention, referring to fig. 4-5, the bottom of at least one set of the supporting frames 200 is connected with a micro-lifting mechanism 700, which ensures that the axes of the two sets of the bearing holes 201 are on the same straight line; the micro-lifting mechanism 700 comprises an upper wedge plate 701 and a lower wedge plate 702; the top of the upper wedge plate 701 is fixed with the fixing plate 202, and the bottom of the upper wedge plate 701 is provided with a first wedge angle and is matched with a second wedge angle on the top surface of the lower wedge plate 702 to slide; the lower wedge plate 702 is fixed with the bottom plate 100; the first wedge angle and the second wedge angle are arranged in opposite wedge directions and have the same angle. The bottom of one or two supports can be connected with a micro-lifting mechanism, so that the axes of two groups of bearing holes can be conveniently adjusted to be positioned on the same horizontal straight line, namely the rotation axis of a finishing grinding wheel is parallel to the Z axis of a machine tool when the trimmer is adjusted to be positioned at a vertical shaft station, and finally the parallelism between the section profile of the plane diamond grinding wheel shaft to be finished and the main shaft support of the machine tool is realized.
Specifically, the micro-lift mechanism 700 further comprises an adjustment screw 703 and a spring 704; an adjusting plate 705 is arranged at one end of the lower wedge plate 702, a screw hole is formed in the adjusting plate 705, a fixing hole is formed in the side, corresponding to the adjusting plate 705, of the upper wedge plate 701, a first end of an adjusting screw rod 703 is fixed in the fixing hole, a second end of the adjusting screw rod is matched with the screw hole, and a spring 704 is arranged between the adjusting plate 705 and the upper wedge plate 701. The inclined surfaces of the two wedge plates are attached together during assembly. The upper wedge plate slides in the horizontal direction relative to the lower wedge plate by rotating the adjusting screw rod, and the upper wedge plate can slowly lift and descend during relative translation due to the fact that the two wedge plates have small wedge angles, and finally the support arranged on the upper wedge plate is driven to do micro lifting movement. The upper wedge plate and the lower wedge plate are provided with oil storage tanks, and a certain amount of lubricating grease is stored in advance during assembly, so that the upper wedge plate and the lower wedge plate are smooth in the adjusting process and easy to operate.
In one embodiment of the present invention, referring to fig. 6 and 7, the cradle base 300 includes: a base body 301 and a pendulum shaft 302; the lower part of the base body 301 is a bottom mounting area, two sides of the base body are side plates, the outer side of each side plate corresponds to one group of swing shafts 302, a square hole 3021 matched and fixed with the locking mechanism 600 is formed in one group and/or two groups of swing shafts 302, and a certain inner inclination is formed in the square hole 3021. The pendulum shaft is matched with the bearing and is arranged in the bearing hole.
In the above embodiments, the bottom of the motor 400 is fixed to the bottom mounting area by the motor position adjusting plate 401. The distance between the motor and the grinding wheel dressing mechanism can be adjusted through the position adjusting plate, and the synchronous belt is convenient to tension. The motor is a servo motor and transmits the rotary motion to the air floatation main shaft through a synchronous belt wheel and a synchronous belt. The servo motor comprises a matched control system and is used for controlling the servo motor to rotate at a constant speed according to a preset rotating speed.
Referring to fig. 6-7, the grinding wheel dressing mechanism 500 includes an air-floating spindle 501, a bearing housing 502, and a dressing grinding wheel 503; the bottom of the bearing sleeve 502 is fixed on the bottom mounting area, an air floatation main shaft 501 penetrates through the bearing sleeve 502, and an air inlet 504 is formed in the bearing sleeve 502; the top of the air-floating main shaft 501 is provided with a dressing grinding wheel 503.
Referring to fig. 7-8, the locking mechanism 600 includes a position detent lever 601 and a tension spring 602; one end of the position locking rod 601 can be fixed in the square hole 3021, and the other end is hinged to the lower part of the rib plate 204; one end of the tension spring 602 is fixed to the fixing plate 202, and the other end is fixed to the position lock lever 601.
Specifically, the position locking lever 601 includes a locking lever body 6011, a square conical head 6012, and a hinge yoke 6013; the square conical head 6012 can be fixed in the square hole 3021, and the hinge fork 6013 is hinged to the lower part of the rib plate 204 through a pin shaft; the two ends of the locking rod body 6011 are respectively connected with a square conical head 6012 and a hinged fork 6013. The hinged fork is clamped on a rib plate of the support and is in pin connection with the support through a pin hole, and the locking rod body can rotate around the pin. The tension springs are measuring skill groups and are respectively arranged on two sides of the pin hole; before the cradle type base needs to be swung, the position locking rod is pulled out manually and rotates to the lowest position, and at the moment, the tension spring pulls the position locking rod to prevent the position locking rod from rebounding; when the cradle type base swings to a required position, the position locking rod body is pushed up, the square cone is inserted into the square hole of the swing shaft, the locking rod body is tightly pressed into the square hole under the action of the tension spring, and the cradle type base is guaranteed to be locked. The square cone is a square inner oblique cone surface.
The utility model provides a double-station vertical and horizontal shaft diamond grinding wheel dressing method in place, which comprises vertical station dressing and horizontal station dressing;
and (3) trimming at a vertical station: adjusting the cradle type base to enable the grinding wheel dressing mechanism to be located at a vertical shaft station, wherein the grinding wheel dressing mechanism is used for dressing a grinding wheel by adopting a cup-shaped dressing grinding wheel, a motor is used for driving the dressing grinding wheel to rotate, the end face of the dressing grinding wheel is used for grinding the outer circumferential surface of the diamond grinding wheel, the abrasion layer on the surface of the diamond grinding wheel is removed, and the shape dressing and the sharpening are realized; in the dressing process, the workbench drives the bottom plate to make back-and-forth feeding motion along the X axis, and the feeding distance is greater than the width of a circular ring of the cup-shaped dressing grinding wheel; after each feeding, the main shaft of the machine tool can do feed motion downwards along the Z axis;
horizontal station finishing: adjusting the cradle type base to enable the grinding wheel dressing mechanism to be located at a horizontal shaft station, enabling the grinding wheel dressing mechanism to dress a grinding wheel by adopting a parallel dressing grinding wheel, driving the parallel dressing grinding wheel to rotate by a motor, controlling a machine tool spindle to drive the diamond grinding wheel to do circular interpolation motion along the outer circumferential surface of the dressing grinding wheel in a YZ plane through a numerical control program, and grinding and dressing the surface of the diamond grinding wheel by the outer circumferential surface of the dressing grinding wheel; after each feeding movement is finished, the diamond grinding wheel performs feeding movement downwards along the Z axis, and the movement track of the diamond grinding wheel in the YZ plane is a circle with the rotary axis of the dressing grinding wheel as the center of the circle.
The utility model provides a pair of duplex position is upright horizontal axis diamond grinding wheel and is maintained method in place, in the correction process, the trimmer is fixed in workstation one side, do not influence the operation of component grinding station, can adjust the vertical station or the horizontal station of emery wheel dresser mechanism through cradle formula base, realize respectively grinding plane optical element's plane diamond grinding wheel and grinding aspheric surface optical element's circular arc diamond grinding wheel's quick accurate maintenance in place, the while has reduced the installation error after off-line is maintained, the emery wheel dressing precision has been improved, optical element's grinding precision has further been improved; the structure is simple, the size is small, the complexity of the equipment structure is reduced, the grinding cost of the optical element is integrally reduced, and the requirements of high-precision and high-efficiency in-place dressing of the plane and arc diamond grinding wheel in the batch manufacturing process of the large-caliber optical element are met.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. Duplex position is found horizontal axle diamond grinding wheel and is in place trimmer, its characterized in that includes:
the bottom plate (100) is fixed on one side of a workbench (G), and the bottom plate (100) and the workbench (G) are integrated; a liquid collecting tank (101) is arranged on the grinding wheel dresser, and a liquid discharging pipe (102) which is communicated with the liquid collecting tank (101) and is used for discharging dressing waste liquid generated in the grinding wheel dressing process;
the two groups of supports (200) are symmetrically fixed on the bottom plate (100) along the X-axis direction of the workbench (G);
the two sides of the top of the cradle type base (300) correspond to the tops of the two groups of supports (200) respectively and can swing to form a vertical station or a horizontal station;
the two sides of the top of the cradle type base (300) extend downwards to form a bottom mounting area, and the output end of the motor (400) is fixed downwards and penetrates out of the bottom mounting area;
the grinding wheel dressing mechanism (500) is arranged on the bottom mounting area in parallel with the motor (400), and an output shaft of the motor (400) transmits power to the grinding wheel dressing mechanism (500) through a synchronous belt; and
the locking mechanism (600) is used for limiting the cradle type base (300) to swing relative to the support (200) after the station is adjusted.
2. The double-station vertical and horizontal shaft diamond grinding wheel in-place dresser according to claim 1, wherein the support (200) comprises a fixing plate (202), a supporting plate (203) and a rib plate (204); the fixing plate (202) is fixed on the bottom plate (100), the supporting plate (203) is perpendicular to the fixing plate (202), the top of the supporting plate is provided with a bearing hole (201) along the horizontal direction, and a bearing is installed in the bearing hole (201); the rib plates (204) form an L shape and are sequentially connected with the bottoms of the bearing holes (201), the inner sides of the supporting plates (203) and the upper parts of the fixing plates (202).
3. The double-station vertical and horizontal shaft diamond grinding wheel in-place dresser according to claim 2, wherein the bottom of at least one group of supports (200) is connected with a micro lifting mechanism (700) to ensure that the axes of two groups of bearing holes (201) are on the same horizontal straight line; the micro-lifting mechanism (700) comprises an upper wedge plate (701) and a lower wedge plate (702); the top of the upper wedge plate (701) is fixed with the fixing plate (202), the bottom of the upper wedge plate is provided with a first wedge angle, and the upper wedge plate is matched with a second wedge angle on the top surface of the lower wedge plate (702) to slide; the lower wedge plate (702) is fixed with the bottom plate (100); the first wedge angle and the second wedge angle are arranged in opposite wedge directions and have the same angle.
4. The double-station vertical and horizontal axis diamond grinding wheel in-place dresser according to claim 3, wherein the micro-lifting mechanism (700) further comprises an adjusting screw (703) and a spring (704); lower wedge plate (702) one end has regulating plate (705), have the screw on regulating plate (705), it corresponds to go up wedge plate (701) regulating plate (705) side has the fixed orifices, adjusting screw (703) first end is fixed in the fixed orifices, second end and screw cooperation, just regulating plate (705) with install spring (704) between going up wedge plate (701).
5. The double-station vertical and horizontal axis diamond wheel in-place dresser according to claim 2, wherein the cradle base (300) comprises: a base body (301) and a pendulum shaft (302); base body (301) lower part is the bottom installing zone, and its both sides are the curb plate, and each curb plate outside all corresponds has a set of balance staff (302), a set of and/or two sets of have in balance staff (302) with locking mechanism (600) cooperation fixed quad slit (3021), have certain interior inclination in quad slit (3021).
6. The double-station vertical and horizontal shaft diamond grinding wheel in-place dresser according to claim 5, wherein the bottom of the motor (400) is fixed to the bottom mounting area through a motor position adjusting plate (401).
7. The double-station vertical and horizontal axis diamond grinding wheel in-place dresser according to claim 5, wherein the grinding wheel dressing mechanism (500) comprises an air-floating main shaft (501), a bearing sleeve (502) and a dressing grinding wheel (503); the bottom of the bearing sleeve (502) is fixed on the bottom mounting area, the air floatation main shaft (501) penetrates through the bearing sleeve (502), and an air inlet (504) is formed in the bearing sleeve (502); and the top of the air floatation main shaft (501) is provided with the dressing grinding wheel (503).
8. The double-station vertical and horizontal shaft diamond grinding wheel in-place dresser according to claim 5, wherein the locking mechanism (600) comprises a position locking rod (601) and a tension spring (602); one end of the position locking rod (601) can be fixed in the square hole (3021), and the other end of the position locking rod is hinged to the lower part of the rib plate (204); one end of the tension spring (602) is fixed with the fixing plate (202), and the other end of the tension spring is fixed on the position locking rod (601).
9. The double-station vertical and horizontal shaft diamond grinding wheel in-place dresser according to claim 8, wherein the position locking rod (601) comprises a locking rod body (6011), a square conical head (6012) and a hinged fork (6013); the square conical head (6012) can be fixed in the square hole (3021), and the hinged fork (6013) is hinged to the lower part of the rib plate (204) through a pin shaft; the two ends of the locking rod body (6011) are respectively connected with the square conical head (6012) and the hinged fork (6013).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332953.9U CN212170076U (en) | 2020-03-17 | 2020-03-17 | Double-station vertical and horizontal shaft diamond grinding wheel in-place dresser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020332953.9U CN212170076U (en) | 2020-03-17 | 2020-03-17 | Double-station vertical and horizontal shaft diamond grinding wheel in-place dresser |
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| CN212170076U true CN212170076U (en) | 2020-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185852A (en) * | 2020-03-17 | 2020-05-22 | 中国工程物理研究院激光聚变研究中心 | Double-station vertical and horizontal shaft diamond grinding wheel in-place dresser and dressing method thereof |
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2020
- 2020-03-17 CN CN202020332953.9U patent/CN212170076U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185852A (en) * | 2020-03-17 | 2020-05-22 | 中国工程物理研究院激光聚变研究中心 | Double-station vertical and horizontal shaft diamond grinding wheel in-place dresser and dressing method thereof |
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