CN111958058A - Multi-station numerical control gear grinding machine - Google Patents

Multi-station numerical control gear grinding machine Download PDF

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Publication number
CN111958058A
CN111958058A CN202010754229.XA CN202010754229A CN111958058A CN 111958058 A CN111958058 A CN 111958058A CN 202010754229 A CN202010754229 A CN 202010754229A CN 111958058 A CN111958058 A CN 111958058A
Authority
CN
China
Prior art keywords
shaft
axis
grinding wheel
numerical control
sliding table
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010754229.XA
Other languages
Chinese (zh)
Inventor
李建军
杨超
李欢
周庆华
张春晖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Zdcy Cnc Equipment Co ltd
Original Assignee
Hunan Zdcy Cnc Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Zdcy Cnc Equipment Co ltd filed Critical Hunan Zdcy Cnc Equipment Co ltd
Priority to CN202010754229.XA priority Critical patent/CN111958058A/en
Publication of CN111958058A publication Critical patent/CN111958058A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F1/00Making gear teeth by tools of which the profile matches the profile of the required surface
    • B23F1/02Making gear teeth by tools of which the profile matches the profile of the required surface by grinding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F23/00Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
    • B23F23/02Loading, unloading or chucking arrangements for workpieces
    • B23F23/06Chucking arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23FMAKING GEARS OR TOOTHED RACKS
    • B23F23/00Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
    • B23F23/12Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth

Abstract

The invention discloses a multi-station numerical control gear grinding machine which comprises a machine body, a sliding table and at least two workpiece spindle C shafts, wherein the sliding table is arranged on the machine body in a moving mode along a horizontal axis to an X shaft, a first upright column is arranged on the sliding table in a moving mode along a horizontal axis to a Y shaft, one side of the first upright column extends downwards to the bottom end of the sliding table and is provided with a rotating shaft box body in a moving mode along a vertical axis to a Z shaft, a rotating shaft A shaft parallel to the X shaft direction is arranged in the rotating shaft box body, a grinding wheel box body is arranged on the rotating shaft A shaft, a grinding wheel spindle B shaft perpendicular to the rotating shaft A shaft is arranged in the grinding wheel box body, a grinding wheel is arranged on the grinding wheel spindle B shaft, the workpiece spindle C shafts are sequentially arranged on the. The multi-station numerical control gear grinding machine has the advantages that the weight borne by the rotating shaft A is small, the rigidity and the strength required by the rotating shaft A are lower, the stability of the whole gear grinding machine is good, the transmission error is small, and in addition, the cost of the whole gear grinding machine is lower.

Description

Multi-station numerical control gear grinding machine
Technical Field
The invention relates to a gear processing machine tool, in particular to a multi-station numerical control gear grinding machine.
Background
The numerical control gear grinding machine is used for grinding cylindrical straight and helical gears at high speed and accurately, and aims to finish the deformation of the gears after heat treatment, improve the precision and the smoothness of tooth surfaces, and meet the requirements of stable transmission, noise reduction and precision improvement.
The existing numerical control gear grinding machine tool is provided with a machine body 1, a supporting upright post 2 is arranged on the machine body 1 along the X axis in the horizontal axial direction in a moving mode, an A axis box body 3 is arranged on the supporting upright post 2 along the Z axis in the vertical axial direction in a moving mode, an A axis parallel to the X axis direction is arranged on the A axis box body 3 in a rotating mode, a rotary platform 4 is fixedly arranged on the A axis, a B axis box body 5 is arranged on the rotary platform 4 along the Y axis in the horizontal axial direction in a moving mode, a B axis parallel to the Y axis direction is arranged in the B axis box body 5 in a rotating mode, and a grinding wheel used for machining a workpiece is arranged at. The fuselage 1 is gone up vertical and rotates and is provided with and rotates stand 6, rotates stand 6 and is located one side that support post 2 corresponds the emery wheel, rotates stand 6 and goes up vertical and rotate and be provided with C axle 7, and the upper end of C axle 7 is used for installing the work piece.
Although the numerical control gear grinding machine tool with the structure can realize the machining of the gear, the following disadvantages exist: firstly, the rotary platform 4, the B shaft box body 5, the B shaft and the grinding wheel are all borne on the A shaft, so that the bearing load capacity of the A shaft is large, the power required for driving the A shaft to rotate is more, the rigidity and the strength required by the A shaft are larger, meanwhile, the bearing load capacity of the A shaft is large, the stability is poor, and the transmission error is larger. Secondly, the axle A box 3, the axle A, the rotary platform 4, the axle B box 5, the axle B and the grinding wheel are all located the same side of the support column 2, so that the corresponding side of the support column 2 bears a large weight, and the weights of other positions are small, thereby resulting in poor stability of the whole gear grinding machine and large transmission error. In addition, need set up actuating mechanism control and rotate stand 6 and rotate, rotate stand 6 and drive C axle 7 removal again, machining efficiency is lower, and the machining precision is lower, and the cost is higher.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the multi-station numerical control gear grinding machine, which not only has small weight borne by the rotating shaft A shaft and further has lower rigidity and strength required by the rotating shaft A shaft, but also has good stability of the whole gear grinding machine and small transmission error, and in addition, the whole gear grinding machine has high processing efficiency, high processing precision and lower cost.
The multi-station numerical control gear grinding machine provided by the embodiment of the invention comprises:
a bed body;
the grinding machine comprises a bed body, a sliding table, a grinding wheel box body and a grinding wheel main shaft B, wherein the bed body is provided with a bed body, the bed body is movably arranged on the bed body along a horizontal axis to an X axis, a first upright post is movably arranged on the sliding table along a horizontal axis to a Y axis, one side of the first upright post in the moving direction extends downwards to the bottom end of the sliding table and is movably provided with a rotary shaft box body along a vertical axis to a Z axis, a rotary shaft A axis parallel to the X axis direction is arranged in the rotary shaft box body, the end part of the rotary shaft A axis is provided with the grinding wheel box body, the grinding wheel box;
the grinding wheel machine comprises a machine body, a grinding wheel, at least two workpiece main shafts, a first upright post, at least two workpiece main shaft C shafts and a second upright post, wherein the at least two workpiece main shafts are sequentially arranged on the machine body along a direction parallel to a Y shaft and are positioned on one side, corresponding to the grinding wheel, of the first upright post, the workpiece main shafts are vertically arranged, and the upper ends of the workpiece main shafts are used for installing workpieces.
The multi-station numerical control gear grinding machine provided by the embodiment of the invention at least has the following technical effects: compared with the conventional numerical control gear grinding machine tool, the multi-station numerical control gear grinding machine provided by the embodiment of the invention has the advantages that the structure is simpler, the number of parts is less, the manufacturing and assembling difficulty is lower, the machining is more accurate, the machining precision is higher, the fault is less prone to occurring, the maintenance difficulty is lower after the fault occurs, the structure is more compact due to the fewer parts, and the occupied area is smaller. Then, compared with the existing numerical control gear grinding machine tool, the multi-station numerical control gear grinding machine provided by the embodiment of the invention transfers related parts required for moving along the Y-axis direction to the sliding table instead of the rotary shaft A shaft, so that the required driving weight is smaller when the rotary shaft A shaft rotates, the power required for driving the rotary shaft A shaft to rotate is less, the requirements on rigidity and strength of the rotary shaft A shaft are lower, the required size of the rotary shaft A shaft is smaller, meanwhile, the small bearing load of the rotary shaft A shaft can lead to good stability, the transmission error is small, meanwhile, the grinding wheel rotation center is closer to the rotary shaft A shaft, and the transmission is more stable. Secondly, the embodiment of the invention reduces the parts and the weight of one side of the first upright column close to the box body of the rotary shaft, so that the first upright column has better stability, and further the whole machine of the gear grinding machine tool has better stability and smaller transmission error. In addition, one side downwardly extending to the bottom of slip table that first stand is close to the pivot axle box, and then the pivot axle box can move to the bottom of slip table also be the position that is close to the lathe bed, the scope that the pivot axle box removed is bigger, it is more convenient during the processing gear, and the slip table is located the installation space that first stand bottom formed, not only can prevent that the slip table from directly exposing outside and gathering the dust or suffer the damage, and can reduce the focus of first stand, make the whole structure compacter, and stability is better. Finally, in the embodiment of the invention, the lathe bed is provided with at least two workpiece main shaft C shafts, when the grinding wheel machines the gear on one of the workpiece main shaft C shafts, the gear to be machined can be installed on the other workpiece main shaft C shafts, and the first upright post can drive the grinding wheel to sequentially approach the at least two workpiece main shaft C shafts when moving along the horizontal axis to the Y shaft, so that the grinding wheel can sequentially and repeatedly machine the gear on the at least two workpiece main shaft C shafts.
According to some embodiments of the invention, the multi-station numerical control gear grinding machine further comprises a grinding wheel dresser, and the grinding wheel dresser is used for dressing the grinding wheel.
According to some embodiments of the invention, the wheel dresser is disposed on the bed below the wheel box or on the first column above the wheel box.
According to some embodiments of the invention, a swing shaft is vertically and rotatably arranged on the bed or on the first column, and the grinding wheel dresser is arranged on the swing shaft.
According to some embodiments of the invention, a second upright is arranged on the bed body corresponding to each workpiece spindle C axis, and a supporting portion is arranged on the second upright in a lifting manner and is located above the corresponding workpiece spindle C axis.
According to some embodiments of the invention, an X-axis guide rail is arranged on the machine body, the sliding table is slidably arranged on the X-axis guide rail, a Y-axis guide rail is arranged on the sliding table, the first upright is slidably arranged on the Y-axis guide rail, a Z-axis guide rail is arranged on the first upright, and the revolving shaft box is slidably arranged on the Z-axis guide rail.
According to some embodiments of the invention, the multi-station numerical control gear grinding machine further comprises:
the first driving mechanism is arranged on the lathe bed and is in transmission connection with the sliding table so as to be used for controlling the sliding table to slide along the X-axis guide rail;
the second driving mechanism is arranged on the sliding table and is in transmission connection with the first upright column so as to be used for controlling the first upright column to slide along the Y-axis guide rail;
and the third driving mechanism is arranged on the first upright column and is in transmission connection with the rotating shaft box body so as to control the rotating shaft box body to slide along the Z-axis guide rail.
According to some embodiments of the invention, the first, second and third driving mechanisms are motor screw mechanisms or linear motors or air cylinders or oil cylinders.
According to some embodiments of the invention, a built-in motor is arranged in the machine bed below the C-axis of the workpiece spindle, and an output shaft of the built-in motor is connected with the C-axis of the workpiece spindle.
According to some embodiments of the invention, an internal motor is arranged in the rotating shaft box body, and an output shaft of the internal motor is connected with the rotating shaft A shaft.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of the overall structure of a conventional gear grinding machine;
FIG. 2 is a perspective view of a prior art gear grinding machine;
FIG. 3 is a schematic view of the overall structure of the present invention;
FIG. 4 is a first perspective view of the present invention;
FIG. 5 is a second perspective view of the present invention;
FIG. 6 is a third perspective view of the present invention;
reference numerals:
the device comprises a machine body 1, a supporting upright post 2, an A-axis box body 3, a rotary platform 4, a B-axis box body 5, a rotary upright post 6 and a C-axis 7; a bed 100; a slide table 200; first upright 300 and mounting cavity 301; a rotating shaft case 400; a grinding wheel box 500; workpiece spindle C-axis 600; a wheel dresser 700; second column 800, top support 801.
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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so 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, 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 otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A multi-station numerical control gear grinding machine according to an embodiment of the present invention is described below with reference to fig. 3 to 6.
The multi-station numerical control gear grinding machine according to the embodiment of the invention, as shown in fig. 3 to 6, comprises a machine body 100, a sliding table 200 and at least two workpiece spindle C-axes 600, wherein the sliding table 200 is arranged on the machine body 100 along a horizontal axial direction X-axis in a moving manner, a first upright 300 is arranged on the sliding table 200 along a horizontal axial direction Y-axis in a moving manner, one side of the first upright 300 in the moving direction extends downwards to the bottom end of the sliding table 200 and is provided with a revolving shaft box body 400 along a vertical axial direction Z-axis in a moving manner, a revolving shaft a-axis parallel to the X-axis direction is arranged in the revolving shaft box body 400, a grinding wheel box body 500 is arranged at the end of the revolving shaft a-axis a, a grinding wheel spindle B-axis perpendicular to the revolving shaft a-axis is arranged in the grinding wheel box body 500, a grinding wheel is arranged at the end of the grinding wheel, the workpiece spindle C-axis 600 is vertically arranged, and the upper end of the workpiece spindle C-axis 600 is used for mounting a workpiece.
In this embodiment, the machining of the gear depends on the relative position of the grinding wheel and the workpiece, and the relative position of the grinding wheel and the workpiece can be determined by the relative position of the bed 100 and the slide table 200, the relative position of the slide table 200 and the first column 300, the relative position of the first column 300 and the revolving shaft box 400, and the rotation angles of the revolving shaft a, the grinding wheel spindle B, and the workpiece spindle C600, that is, when the gear needs to be machined, the machining position, the feeding amount, and the machining angle during the gear machining can be adjusted by moving the slide table 200, the first column 300, and the revolving shaft box 400, and rotating the revolving shaft a, the grinding wheel spindle B, and the workpiece spindle C600. Compared with the conventional numerical control gear grinding machine tool, the multi-station numerical control gear grinding machine provided by the embodiment of the invention has the advantages that the structure is simpler, the number of parts is less, the manufacturing and assembling difficulty is lower, the machining is more accurate, the machining precision is higher, the fault is less prone to occurring, the maintenance difficulty is lower after the fault occurs, the structure is more compact due to the fewer parts, and the occupied area is smaller. Then, compared with the existing numerical control gear grinding machine tool, the multi-station numerical control gear grinding machine provided by the embodiment of the invention transfers related components required for moving along the Y-axis direction to the sliding table 200 instead of being arranged on the rotating shaft A shaft, so that the weight required for driving the rotating shaft A shaft to rotate is smaller, the power required for driving the rotating shaft A shaft to rotate is less, the requirements on the rigidity and the strength of the rotating shaft A shaft are lower, the required size of the rotating shaft A shaft is smaller, meanwhile, the load capacity of the rotating shaft A shaft is small, the stability is good, the transmission error is small, the rotating center of a grinding wheel is closer to the rotating shaft A shaft, and the transmission is more stable. Secondly, the embodiment of the invention reduces the parts and the weight of the first upright 300 close to one side of the revolving shaft box body 400, so that the first upright 300 has better stability, and further the whole machine of the gear grinding machine has better stability and smaller transmission error. In addition, one side of the first upright post 300 close to the revolving shaft box 400 extends downwards to the bottom end of the sliding table 200, and then the revolving shaft box 400 can move to the bottom end of the sliding table 200, namely to the position close to the bed 100, the moving range of the revolving shaft box 400 is larger, so that the gear machining is more convenient, the workpiece spindle C shaft 600 does not need to be over a distance higher than the bed 100, the structural strength of the workpiece spindle C shaft 600 is higher, the shaking is less, and the transmission error is smaller. The bottom of first stand 300 encloses rather than the extension that extends to slip table 200 bottom and closes and form a mounting cavity 301, and slip table 200 is located mounting cavity 301, and the top of slip table 200 can be provided with the guide rail, and the top of mounting cavity 301 that is the bottom of first stand 300 can correspond and be provided with the spout, and first stand 300 passes through the cooperation slidable mounting of guide rail and spout on slip table 200. Slip table 200 is located installation cavity 301, not only can prevent that slip table 200 from directly exposing outside and gathering the dust or suffer the damage, can reduce first stand 300's focus moreover, makes the whole structure compacter, and stability is better. Finally, in the embodiment of the invention, at least two workpiece spindle C shafts 600 are sequentially arranged on the machine body 100 along the Y-axis direction, when a gear on one of the workpiece spindle C shafts 600 is machined by a grinding wheel, the gear to be machined can be installed on the other workpiece spindle C shafts 600, and then the grinding wheel can be driven to sequentially approach the at least two workpiece spindle C shafts 600 when the first upright post 300 moves along the horizontal axis to the Y-axis, so that the grinding wheel can sequentially and repeatedly machine the gear on the at least two workpiece spindle C shafts 600, the operation is simple, time and labor are saved, the machining efficiency is high, the workpiece spindle C shafts 600 are directly arranged on the machine body 100, and other driving mechanisms are not needed to control the movement, so that the whole machine cost is lower, the gear does not need to move, only needs to rotate, transmission links are reduced.
It should be noted that the X-axis, the Y-axis, and the Z-axis mentioned in this embodiment are three axes of a space cartesian rectangular coordinate system, where the X-axis and the Y-axis are disposed vertically to each other along a horizontal direction, and the Z-axis is disposed along a vertical direction. It should be understood that the revolving axle box body 400 mentioned in this embodiment is provided with a revolving axle a axle parallel to the X-axis direction, and in the field of gear processing machine, it is obvious that the revolving axle a axle can rotate around its own axle center, and the revolving axle a axle is parallel to the X-axis direction, which means that the axial direction of the revolving axle a axle is parallel to the X-axis direction. By analogy, the grinding wheel spindle B is also arranged in the grinding wheel box body 500 in a rotating mode around the axis of the grinding wheel spindle B, and the axial direction of the grinding wheel spindle B is perpendicular to the axial direction of the rotating shaft A. The workpiece spindle C-axis 600 is vertically arranged, that is, the axial direction of the workpiece spindle C-axis 600 is the vertical direction, and the workpiece spindle C-axis 600 rotates around the axis of the vertical direction. Furthermore, the workpiece spindle C-axis 600 is located on the side of the first upright 300 corresponding to the grinding wheel, that is, the workpiece spindle C-axis 600 and the grinding wheel are both located on the same side of the first upright 300. In addition, the end of the revolving shaft a on which the grinding wheel box 500 is disposed needs to extend outside the revolving shaft box 400 so that the grinding wheel box 500 rotates along with the revolving shaft a, and the end of the grinding wheel spindle B on which the grinding wheel is mounted needs to extend outside the grinding wheel box 500 so that the grinding wheel can process a workpiece and facilitate replacement and maintenance of the grinding wheel. In addition, it is foreseen that a C-axle box may be sleeved outside the workpiece spindle C-axle 600 to protect the workpiece spindle C-axle 600, and of course, the upper end of the workpiece spindle C-axle 600 also needs to extend outside the C-axle box to facilitate installation and replacement of workpieces. The number of workpiece spindle C-axes 600 may be two, three, or more than three. The process of machining the gear by the multi-station numerical control gear grinding machine in the embodiment is simply explained by taking the two workpiece spindle C shafts 600 as an example: after will treating the gear assembly on two work piece main shaft C axles 600, control slip table 200 moves to suitable position along horizontal axial X axle, control first stand 300 moves to suitable position along horizontal axial Y axle, control gyration axle box 400 moves to suitable position along vertical axial Z axle, so that the emery wheel contacts with one of them gear, later rotate emery wheel main shaft B axle, emery wheel main shaft B axle can drive the emery wheel and carry out the gear grinding to this gear, in the course of working, as required, the angle of processing of emery wheel can be adjusted through rotating revolving axle A axle appropriately, the position of processing of gear can be adjusted through rotating work piece main shaft C axle 600 appropriately. After the first gear is machined, the second gear is machined, the first gear is taken down while the second gear is machined, a new gear to be machined is installed on the workpiece spindle C shaft 600 corresponding to the first gear, and then the grinding wheel can sequentially and repeatedly machine the gears on the two workpiece spindle C shafts 600.
In some embodiments of the invention, as shown in fig. 4 and 5, the multi-station numerical control gear grinding machine further comprises a grinding wheel dresser 700, and the grinding wheel dresser 700 is used for dressing a grinding wheel. The emery wheel needs to be maintained after using a period of time, and the emery wheel dresser 700 can directly maintain the emery wheel, and need not pull down the emery wheel and send to other places to maintain, and is swift convenient.
In some embodiments of the present invention, the wheel dresser 700 is disposed on the bed 100 below the wheel box 500 or disposed on the first column 300 above the wheel box 500. The wheel dresser 700 can be arranged at two positions, the first position is as shown in fig. 4 and 5, the wheel dresser 700 is arranged on the lathe bed 100 and is positioned between one workpiece spindle C shaft 600 and the first upright post 300 and is positioned below the wheel box 500 and at a position where a grinding wheel can be close to the grinding wheel, and under the condition, the distance between the wheel dresser 700 and the grinding wheel is close to each other, so that the wheel dresser is more convenient to dress, and in addition, the wheel dresser 700 is more convenient to mount. The second position sets up on the first stand 300 of emery wheel box 500 top, and is concrete, is provided with the slide rail along vertical direction on the first stand 300, and emery wheel dresser 700 slides and sets up on the slide rail, and then emery wheel dresser 700 can go up and down for it is more convenient when dressing the emery wheel, and the precision of repairing is higher moreover.
In some embodiments of the present invention, a swing shaft is vertically and rotatably provided on the bed 100 or on the first column 300, and the wheel dresser 700 is provided on the swing shaft. The grinding wheel dresser 700 comprises a driving motor arranged on a swing shaft and a grinding wheel dressing head arranged on an output shaft of the driving motor, the output shaft of the driving motor is horizontally arranged, the swing shaft can adjust the dressing angle of the grinding wheel dresser 700, the dressing of the grinding wheel dresser 700 is more convenient, and the dressing precision is higher. It should be noted that the swing shaft can be directly driven by the built-in motor without arranging any other transmission mechanism, so that the dressing of the wheel dresser 700 is more accurate.
In some embodiments of the present invention, as shown in fig. 3 to 6, a second column 800 is disposed on the bed 100 corresponding to each workpiece spindle C-axis 600, a supporting portion 801 is disposed on the second column 800 in a liftable manner, and the supporting portion 801 is located above the corresponding workpiece spindle C-axis 600. After the gear is mounted on the workpiece spindle C-axis 600, the corresponding supporting portion 801 is moved downward, so that the supporting portion 801 supports the upper end surface of the gear, thereby preventing the gear from shifting or falling off during the machining process. The supporting portion 801 may be disposed on the second column 800 in a liftable manner, a slide rail may be disposed on the second column 800 along a vertical direction, the supporting portion 801 is slidably disposed on the slide rail, a driving device such as a motor screw mechanism, an air cylinder or an oil cylinder connected to the supporting portion 801 may be disposed on the second column 800, and the supporting portion 801 may be controlled to move up and down along the slide rail by the driving device, so as to realize the lifting of the supporting portion 801. Of course, the driving device may directly control the vertical movement of the supporting portion 801 without providing a slide rail. The holding portion 801 may be a thimble sleeve. In addition, for example, when the number of the workpiece spindle C axes 600 is two, correspondingly, two second vertical columns 800 are provided, and the two second vertical columns 800 may be sequentially arranged along the direction of the connection line of the two workpiece spindle C axes 600 and respectively located at two sides of the two workpiece spindle C axes 600, that is, the two second vertical columns 800 are located at two ends of the connection line of the two workpiece spindle C axes 600, so that the first vertical column 300 needs to move along the horizontal axis to the Y axis in a shorter distance, in a shorter processing time, and in a higher processing efficiency.
In some embodiments of the present invention, the bed 100 is provided with an X-axis guide rail, the sliding table 200 is slidably disposed on the X-axis guide rail, the sliding table 200 is provided with a Y-axis guide rail, the first column 300 is slidably disposed on the Y-axis guide rail, the first column 300 is provided with a Z-axis guide rail, and the revolving shaft housing 400 is slidably disposed on the Z-axis guide rail. The X-axis guide rail, the Y-axis guide rail, and the Z-axis guide rail are provided, so that the sliding table 200, the first column 300, and the revolving shaft housing 400 can be moved in a predetermined direction, and thus, the machining error can be reduced. It can be understood that the length direction of the X-axis guide rail is the horizontal axial X-axis direction, the length direction of the Y-axis guide rail is the horizontal axial Y-axis direction, and the length direction of the Z-axis guide rail is the vertical axial Z-axis direction.
In some embodiments of the present invention, the multi-station numerical control gear grinding machine further includes a first driving mechanism, a second driving mechanism, and a third driving mechanism, the first driving mechanism is disposed on the machine bed 100 and is in transmission connection with the sliding table 200 for controlling the sliding table 200 to slide along the X-axis guide rail; the second driving mechanism is arranged on the sliding table 200 and is in transmission connection with the first upright 300 so as to control the first upright 300 to slide along the Y-axis guide rail; the third driving mechanism is disposed on the first upright 300 and is drivingly connected to the pivot housing 400 for controlling the pivot housing 400 to slide along the Z-axis guide rail. Through first actuating mechanism, second actuating mechanism and third actuating mechanism, can realize the adjustment of slip table 200, first stand 300 and gyration axle box 400 position, and then realize the adjustment of emery wheel and work piece position.
In some embodiments of the present invention, the first driving mechanism, the second driving mechanism and the third driving mechanism are a motor screw mechanism or a linear motor or an air cylinder or an oil cylinder. Taking the first driving mechanism as a motor screw mechanism as an example, specifically, the motor screw mechanism includes a motor, a screw rod and a nut, the motor is disposed on the bed 100, the screw rod is connected to an output shaft of the motor, the nut is fixedly disposed on the sliding table 200, the screw rod is in threaded connection with the nut, when the motor drives the screw rod to rotate, the screw rod can drive the nut to move, and the nut can drive the sliding table 200 to move. The motor screw mechanism is stable in transmission and accurate in adjustment. The first, second, and third driving mechanisms may be cylinders, linear motors, or the like.
In some embodiments of the present invention, a built-in motor is disposed in the bed 100 below the workpiece spindle C-axis 600, and an output shaft of the built-in motor is connected to the workpiece spindle C-axis 600. The built-in motor is directly connected with the workpiece spindle C shaft 600, and compared with a transmission mechanism arranged between the existing workpiece spindle C shaft 600 and a driving motor, the built-in motor can reduce errors caused by transmission of the transmission mechanism, and further enables machining to be more accurate. The built-in motor can be a servo motor, and further can carry out stepless speed regulation.
In addition, in some embodiments of the present invention, a built-in motor is provided in the rotation shaft housing 400, and an output shaft of the built-in motor is connected to the rotation shaft a. Compare and be provided with drive mechanism between current revolving axle A axle and the driving motor, the error that the mode of setting up of this embodiment can reduce because drive mechanism transmission brings, and then makes processing more accurate. The B shaft of the grinding wheel spindle can be directly driven by a built-in motor. The built-in motor can be a servo motor, and further can carry out stepless speed regulation.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 do not necessarily 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.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a multistation numerical control gear grinding machine which characterized in that includes:
a bed body;
the grinding machine comprises a bed body, a sliding table, a grinding wheel box body and a grinding wheel main shaft B, wherein the bed body is provided with a bed body, the bed body is movably arranged on the bed body along a horizontal axis to an X axis, a first upright post is movably arranged on the sliding table along a horizontal axis to a Y axis, one side of the first upright post in the moving direction extends downwards to the bottom end of the sliding table and is movably provided with a rotary shaft box body along a vertical axis to a Z axis, a rotary shaft A axis parallel to the X axis direction is arranged in the rotary shaft box body, the end part of the rotary shaft A axis is provided with the grinding wheel box body, the grinding wheel box;
the grinding wheel machine comprises a machine body, a grinding wheel, at least two workpiece main shafts, a first upright post, at least two workpiece main shaft C shafts and a second upright post, wherein the at least two workpiece main shafts are sequentially arranged on the machine body along a direction parallel to a Y shaft and are positioned on one side, corresponding to the grinding wheel, of the first upright post, the workpiece main shafts are vertically arranged, and the upper ends of the workpiece main shafts are used for installing workpieces.
2. A multi-station numerical control gear grinding machine according to claim 1, further comprising a grinding wheel dresser for dressing the grinding wheel.
3. A multi-station numerical control gear grinding machine according to claim 2, characterized in that the grinding wheel dresser is arranged on the machine body below the grinding wheel box body or on the first column above the grinding wheel box body.
4. A multi-station numerical control gear grinding machine according to claim 3, wherein a swinging shaft is vertically and rotatably arranged on the machine body or the first upright column, and the grinding wheel dresser is arranged on the swinging shaft.
5. A multi-station numerical control gear grinding machine according to any one of claims 1 to 4, characterized in that a second column is arranged on the machine body corresponding to each workpiece spindle C axis, a jacking portion is arranged on the second column in a lifting manner, and the jacking portion is located above the corresponding workpiece spindle C axis.
6. The multi-station numerical control gear grinding machine according to any one of claims 1 to 4, characterized in that an X-axis guide rail is arranged on the machine body, the sliding table is slidably arranged on the X-axis guide rail, a Y-axis guide rail is arranged on the sliding table, the first upright is slidably arranged on the Y-axis guide rail, a Z-axis guide rail is arranged on the first upright, and the rotary shaft box is slidably arranged on the Z-axis guide rail.
7. A multi-station numerically controlled gear grinding machine according to claim 6, further comprising:
the first driving mechanism is arranged on the lathe bed and is in transmission connection with the sliding table so as to be used for controlling the sliding table to slide along the X-axis guide rail;
the second driving mechanism is arranged on the sliding table and is in transmission connection with the first upright column so as to be used for controlling the first upright column to slide along the Y-axis guide rail;
and the third driving mechanism is arranged on the first upright column and is in transmission connection with the rotating shaft box body so as to control the rotating shaft box body to slide along the Z-axis guide rail.
8. A multi-station numerical control gear grinding machine according to claim 7, characterized in that the first, second and third driving mechanisms are motor screw mechanisms or linear motors or air cylinders or oil cylinders.
9. A multi-station numerical control gear grinding machine as claimed in any one of claims 1 to 4, characterized in that a built-in motor is arranged below the C shaft of the workpiece spindle in the machine body, and an output shaft of the built-in motor is connected with the C shaft of the workpiece spindle.
10. A multi-station numerical control gear grinding machine according to any one of claims 1 to 4, characterized in that a built-in motor is arranged in the rotating shaft box body, and an output shaft of the built-in motor is connected with the rotating shaft A shaft.
CN202010754229.XA 2020-07-29 2020-07-29 Multi-station numerical control gear grinding machine Pending CN111958058A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113263228A (en) * 2021-06-07 2021-08-17 浙江陀曼精密机械有限公司 Rolling-over multi-path composite machining device
CN114074200A (en) * 2020-08-14 2022-02-22 湖南中大创远数控装备有限公司 Numerical control gear grinding machine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202052992U (en) * 2011-03-21 2011-11-30 洛阳科大越格数控机床有限公司 Gear grinding machine for numerical-control formed grinding wheel
CN102773565A (en) * 2012-08-02 2012-11-14 北京广宇大成数控机床有限公司 Numerical control gear grinding machine for formed grinding wheel
DE102012002126A1 (en) * 2012-02-03 2013-08-08 Liebherr-Verzahntechnik Gmbh Method for controlling movement of dressing tool when dressing gear grinding tools of gear grinding machine, involves positioning dressing tool for dressing process by pivoting dressing tool around vertical rotational axis
JP2015160287A (en) * 2014-02-28 2015-09-07 陸聯精密股▲ふん▼有限公司 Gear wheel grinding device including tool mending function
CN105772867A (en) * 2014-12-17 2016-07-20 克林格伦贝格股份公司 Grinding machine with a grinding tool for roller grinding two workpieces
CN208680695U (en) * 2018-09-25 2019-04-02 南京工程学院 A kind of double-station high efficiency worm abrasion wheel numerically controlled tooth grinding machine
CN111112759A (en) * 2020-02-05 2020-05-08 秦皇岛知聚科技有限公司 Gear machining deburring system
CN111390562A (en) * 2020-04-01 2020-07-10 合肥学院 Novel precise composite six-axis linkage numerical control machine tool

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202052992U (en) * 2011-03-21 2011-11-30 洛阳科大越格数控机床有限公司 Gear grinding machine for numerical-control formed grinding wheel
DE102012002126A1 (en) * 2012-02-03 2013-08-08 Liebherr-Verzahntechnik Gmbh Method for controlling movement of dressing tool when dressing gear grinding tools of gear grinding machine, involves positioning dressing tool for dressing process by pivoting dressing tool around vertical rotational axis
CN102773565A (en) * 2012-08-02 2012-11-14 北京广宇大成数控机床有限公司 Numerical control gear grinding machine for formed grinding wheel
JP2015160287A (en) * 2014-02-28 2015-09-07 陸聯精密股▲ふん▼有限公司 Gear wheel grinding device including tool mending function
CN105772867A (en) * 2014-12-17 2016-07-20 克林格伦贝格股份公司 Grinding machine with a grinding tool for roller grinding two workpieces
CN208680695U (en) * 2018-09-25 2019-04-02 南京工程学院 A kind of double-station high efficiency worm abrasion wheel numerically controlled tooth grinding machine
CN111112759A (en) * 2020-02-05 2020-05-08 秦皇岛知聚科技有限公司 Gear machining deburring system
CN111390562A (en) * 2020-04-01 2020-07-10 合肥学院 Novel precise composite six-axis linkage numerical control machine tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114074200A (en) * 2020-08-14 2022-02-22 湖南中大创远数控装备有限公司 Numerical control gear grinding machine
CN113263228A (en) * 2021-06-07 2021-08-17 浙江陀曼精密机械有限公司 Rolling-over multi-path composite machining device

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