CN116713903A - Dressing method of grinding wheel and grinding machine for numerical control machining - Google Patents
Dressing method of grinding wheel and grinding machine for numerical control machining Download PDFInfo
- Publication number
- CN116713903A CN116713903A CN202310929012.1A CN202310929012A CN116713903A CN 116713903 A CN116713903 A CN 116713903A CN 202310929012 A CN202310929012 A CN 202310929012A CN 116713903 A CN116713903 A CN 116713903A
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- grinding wheel
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- molded
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003754 machining Methods 0.000 title claims abstract description 14
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 64
- 239000010432 diamond Substances 0.000 claims abstract description 64
- 238000010586 diagram Methods 0.000 claims abstract description 25
- 238000009966 trimming Methods 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007730 finishing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/017—Devices or means for dressing, cleaning or otherwise conditioning lapping tools
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to a dressing method of a grinding wheel and a grinding machine for numerical control machining, which comprise the steps of carrying out three-dimensional modeling on a dressed molding grinding wheel; when the circumferential surfaces of the diamond roller and the forming grinding wheel are contacted, a moving track diagram of the diamond roller or the grinding wheel is established; the invention has the advantages that the error of the grinding wheel is reduced, the precision of the grinding wheel trimming and the grinding of the threads of a workpiece is improved, the trimming can be carried out without adjusting the grinding wheel, and the integral efficiency of the grinding wheel trimming is improved.
Description
Technical Field
The invention relates to the technical field of thread grinder equipment, in particular to a dressing method of a grinding wheel and a grinder for numerical control machining.
Background
Ball screw and planetary screw are widely used for the transmission parts in intelligent manufacturing, machinery and other equipment, directly influence the transmission precision of the equipment, and along with the continuous improvement of the machining precision requirement of the equipment, higher requirements are also put forward on the machining quality of threads, and a thread grinder is a machining machine tool for machining precise threads by using a forming grinding wheel as a grinding tool.
After grinding a certain number of workpieces as grinding wheels, in order to ensure the accuracy of the thread grinding of the workpieces, the circumferential surfaces of the forming grinding wheels are required to be trimmed through the rotation of the diamond roller, the diamond roller and the forming grinding wheels are in a vertical and parallel state generally, the circumferential surfaces of the rotating diamond roller or the forming grinding wheels are made to collide, so that the diamond roller trims the circumferential surfaces of the forming grinding wheels, the trimmed forming grinding wheels incline, continuous threads are ground on the surfaces of the horizontally arranged workpieces, after a certain number of workpieces are ground, the forming grinding wheels are rotated to a vertical and parallel state, the circumferential surfaces of the forming grinding wheels are trimmed again through the diamond roller, and the accuracy of the workpiece grinding is ensured.
But in the actual use process, when the formed grinding wheel is trimmed each time, the inclined angle of the formed grinding wheel needs to be adjusted, the formed grinding wheel is adjusted to be vertical from the inclined angle, and then the formed grinding wheel needs to be adjusted to be the original inclined angle, and in the process, the inclined angle of the formed grinding wheel needs to be repeatedly calibrated, so that the overall trimming efficiency of the formed grinding wheel is low, and the trimming precision of the formed grinding wheel and the grinding precision of the threads of a workpiece are low.
Disclosure of Invention
In view of the above, the present invention aims to provide a grinding wheel dressing method and a grinding machine for numerical control machining, which solve the technical problems of the prior art that the overall efficiency of dressing a molded grinding wheel is low, and the dressing of the molded grinding wheel and the grinding precision of a workpiece thread are low.
The invention provides a dressing method of a grinding wheel, which comprises the following steps:
carrying out three-dimensional modeling on the trimmed molding grinding wheel;
when the circumferential surfaces of the diamond roller and the forming grinding wheel are contacted, a moving track diagram of the diamond roller or the grinding wheel is established;
and rotating the diamond roller and the grinding wheel, moving the diamond roller or the grinding wheel to enable the trimming surface of the diamond roller to be in contact with the circumferential surface of the grinding wheel, and continuously moving the diamond roller or the grinding wheel according to the moving track graph to enable the diamond roller to trim the circumferential surface of the grinding wheel.
In an embodiment, in the step of performing three-dimensional modeling on the dressed molding grinding wheel, the established three-dimensional model of the molding grinding wheel is inclined according to the inclination angle of the actual grinding wheel, and a horizontal plane passing through the center point of the molding grinding wheel is used as a reference plane to be overlapped with the three-dimensional model of the molding grinding wheel, and the surface parameters of the section of the three-dimensional model of the molding grinding wheel overlapped with the reference plane are measured.
In an embodiment, the surface parameters of the two ends of the three-dimensional model of the forming grinding wheel, which are overlapped with the reference surface, in the cross section length direction from one end to the other end in the width direction are the moving track of the moving track diagram of the diamond roller or the forming grinding wheel.
In one embodiment, in the step of establishing the movement track map of the diamond roller or the forming grinding wheel when the diamond roller is contacted with the circumferential surface of the forming grinding wheel, different movement track maps are established according to different inclination angles of the three-dimensional model of the forming grinding wheel.
In an embodiment, after the step of establishing a movement track diagram of the diamond roller or the forming grinding wheel when the diamond roller is contacted with the circumferential surface of the forming grinding wheel, forming a movement track diagram corresponding to different inclination angles into a reference database for trimming the forming grinding wheel, inputting the reference database into a control system for moving the diamond roller or the forming grinding wheel, and controlling the diamond roller or the forming grinding wheel to move according to the inclination angle of the actual forming grinding wheel so as to trim the circumferential surface of the forming grinding wheel.
The invention also provides a grinding machine, and a dressing method using the grinding wheel.
In an embodiment, including the layer board and be located work piece adjusting device and tailstock on the layer board, the work piece is located work piece adjusting device with between the tailstock, work piece adjusting device and tailstock carry out the centre gripping to the work piece, work piece adjusting device drives the work piece rotates along its axis, still include:
the grinding wheel assembly comprises a grinding wheel and a grinding head seat, wherein the grinding head seat is suitable for driving the grinding wheel to rotate, and when the grinding wheel is contacted with the surface of a workpiece, external threads are ground on the surface of the workpiece;
the roller assembly is arranged on the workpiece adjusting device and is suitable for trimming the circumferential surface of the grinding wheel, which is in contact with the workpiece;
and the moving assembly is suitable for driving the supporting plate to move along the axis of the workpiece and driving the grinding wheel assembly to move along the direction perpendicular to the axis of the workpiece.
In one embodiment, the grinding wheel assembly further comprises a rotating member, and the grinding head base is disposed on a rotating end of the rotating member, and the rotating member drives the grinding head base to rotate.
In an embodiment, the moving assembly comprises a first guide rail arranged at the bottom of the supporting plate and a second guide rail arranged at the position of the grinding wheel assembly, the supporting plate is located on the moving end of the first guide rail, the grinding wheel assembly is located on the moving end of the first guide rail, the first guide rail drives the supporting plate to move along the length direction of the first guide rail through motor power, the second guide rail drives the grinding wheel assembly to move along the length direction of the second guide rail through motor power, the first guide rail is arranged along the length direction of the workpiece, and the second guide rail is arranged along the vertical direction of the axis of the first guide rail.
In an embodiment, the workpiece adjusting device comprises a workpiece box, a workpiece shaft and a workpiece chuck, wherein the workpiece box, the workpiece shaft and the workpiece chuck are arranged on the supporting plate, the workpiece shaft is arranged along the length direction of a workpiece, the workpiece shaft is powered to rotate through a motor, and the workpiece chuck is arranged on the workpiece shaft and is suitable for clamping a workpiece, so that the workpiece shaft drives the workpiece to rotate.
The technical scheme of the invention has the following advantages:
1. according to the method for dressing the grinding wheel, the dressed molding grinding wheel is subjected to three-dimensional modeling, when the diamond roller is in contact with the circumferential surface of the grinding wheel according to the inclination angle of the actual grinding wheel, the movement track diagram of the diamond roller or the grinding wheel is established, and the diamond roller or the grinding wheel is moved according to the movement track diagram to dress the circumferential surface of the actual grinding wheel.
2. When the grinding machine provided by the invention is used, a workpiece is placed between the workpiece adjusting device and the tail frame, the workpiece is clamped and fixed through the workpiece adjusting device and the tail frame, the workpiece adjusting device can drive the workpiece to rotate along the axis direction of the workpiece, the moving component drives the grinding wheel component to move towards the workpiece direction until the circumferential surface of the grinding wheel component is abutted against the side wall of the workpiece, the grinding wheel seat drives the grinding wheel to rotate, so that grinding is performed on the workpiece, in addition, the moving component can drive the supporting plate to move along the axis direction of the workpiece, so that the workpiece is driven to move along the axis direction of the workpiece, so that the grinding wheel can grind the surface of the workpiece along the length of the workpiece, external threads are ground, a finished product is formed, when the grinding wheel grinds a certain number of workpieces, the moving component directly drives the grinding wheel and the roller component to be close to each other until the circumferential surface of the grinding wheel and the workpiece are trimmed, the circumferential surface of the grinding wheel component can be trimmed to be a tip capable of better grinding the external threads, the roller component is assembled on the external thread grinding machine, so that when trimming is required, the grinding wheel is performed, the grinding efficiency is improved, the grinding wheel is convenient, and the working time is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a step diagram of a dressing method of a grinding wheel of the present invention;
FIG. 2 is a schematic view of the overall structure of the grinding machine of the present invention;
FIG. 3 is a schematic side view of the grinding machine of the present invention;
fig. 4 is a cross-sectional view of the tail stock and pallet attachment structure of the present invention.
Reference numerals illustrate:
1. a supporting plate; 2. a workpiece adjusting device; 21. a workpiece box; 22. a workpiece shaft; 23. a workpiece chuck; 3. a tailstock; 31. a frame body; 32. a conical head; 4. a grinding wheel assembly; 41. grinding wheel; 42. a grinding head seat; 43. a rotating member; 5. a roller assembly; 51. a roller seat; 52. a roller shaft; 53. a diamond roller; 6. a moving assembly; 61. a first guide rail; 62. a second guide rail; 7. a T-shaped groove; 8. a T-shaped block; 9. bolt holes.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms described above will be understood to those of ordinary skill in the art in a specific context.
The terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "vertical," "horizontal," "center," and the like refer to an orientation or positional relationship based on that shown in the drawings, or that is conventionally put in place when the inventive product is used, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the invention.
The terms "first," "second," "third," and the like, are merely used for distinguishing between similar elements and not necessarily for indicating or implying a relative importance or order.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements does not include only those elements but may include other elements not expressly listed.
In addition, the technical features of the different embodiments of the invention described below may be combined with each other as long as they do not interfere with each other.
Example 1
Referring to fig. 1, the present invention provides a dressing method for a grinding wheel, including:
s1, carrying out three-dimensional modeling on a trimmed molded grinding wheel, establishing a three-dimensional model of the molded grinding wheel, trimming the molded grinding wheel with a circumferential surface which is trimmed, grinding threads on the surface of a workpiece as long as an actual grinding wheel is trimmed to the shape of the circumferential surface of the three-dimensional model of the molded grinding wheel, carrying out three-dimensional modeling by three-dimensional modeling software, carrying out one-to-one reduction according to the size of the actual grinding wheel, enabling the three-dimensional model to reach the same size as the actual grinding wheel, and tilting the established three-dimensional model of the molded grinding wheel according to the tilting angle of the actual grinding wheel, and measuring the surface parameters of the section of the three-dimensional model of the molded grinding wheel, which coincides with the reference surface, by taking the horizontal plane passing through the center point of the molded grinding wheel as the reference surface to coincide with the three-dimensional model of the molded grinding wheel;
s2, when the diamond roller is in contact with the circumferential surface of the formed grinding wheel, a moving track diagram of the diamond roller or the grinding wheel is established, for the moving track diagram in S2, the surface parameters from one end to the other end in the cross section length direction of the formed grinding wheel three-dimensional model, which is coincident with the reference surface, of the diamond roller or the forming grinding wheel are the moving track diagram of the diamond roller or the forming grinding wheel, the surface parameters are the surface shape trend of the two ends in the cross section length direction of the formed grinding wheel three-dimensional model, when the actual grinding wheel is dressed, the moving track diagram is corresponded to the diamond roller to drew the circumferential surface of the actual grinding wheel, and the cross section, which is coincident with the reference surface, of the grinding wheel in the rotating state is continuously changed until all the cross sections, which pass through the center point of the grinding wheel, are in contact with the diamond roller, so that the circumferential surface of the whole grinding wheel can be dressed;
in addition, in S2, different movement track diagrams are built according to different inclination angles of the three-dimensional model of the forming grinding wheel, movement track diagrams corresponding to the different inclination angles are formed into a reference database for trimming the forming grinding wheel, the reference database is input into a control system for moving the forming grinding wheel or the forming grinding wheel, the control system controls the diamond roller or the forming grinding wheel to move according to the inclination angles of the actual forming grinding wheel, so that the circumferential surface of the forming grinding wheel can be trimmed without re-three-dimensional modeling, the movement track diagrams of the diamond roller or the forming grinding wheel are calculated, when the diamond roller is movable, the movement track diagrams of the diamond roller are obtained, when the forming grinding wheel is movable, the movement track diagrams of the forming grinding wheel are obtained, and when the diamond roller and the forming grinding wheel are respectively moved along one direction and are mutually perpendicular, the movement track diagrams of the diamond roller are obtained relative to the forming grinding wheel, and the movement track diagrams of the forming grinding wheel are obtained, and the movement track diagrams of the different inclination angles are established according to the inclination angles of the threads of the workpiece, so that the grinding wheel can be trimmed to different specifications of the workpiece directly;
and S3, in actual trimming, directly rotating the diamond roller and the grinding wheel, moving the diamond roller or the grinding wheel to enable the trimming surface of the diamond roller to be in contact with the circumferential surface of the grinding wheel, continuously moving the diamond roller or the grinding wheel according to a moving track diagram, and trimming the circumferential surface of the grinding wheel by the diamond roller.
Through carrying out three-dimensional modeling on the finished formed grinding wheel, and when the diamond roller is in contact with the circumferential surface of the grinding wheel according to the inclination angle of the actual grinding wheel, a moving track diagram of the diamond roller or the grinding wheel is established, and the diamond roller or the grinding wheel is moved according to the moving track diagram, so that the circumferential surface of the actual grinding wheel is finished, when the actual grinding wheel is required to be finished, the inclination angle of the actual grinding wheel is not required to be adjusted, the actual grinding wheel is adjusted to be vertical and parallel to the diamond roller, the diamond roller or the actual grinding wheel is directly moved according to the established moving track diagram, the circumferential surface of the actual grinding wheel is finished, the circumferential surface of the formed grinding wheel three-dimensional model is finished, the grinding wheel is directly started after finishing, the grinding wheel is enabled to carry out threaded grinding on the surface of a workpiece, and the inclination angle of the grinding wheel is required to be adjusted in the whole finishing process, so that the inclination angle of the grinding wheel is not required to be manually repeated after finishing, errors of the grinding wheel are reduced, the finishing of the grinding wheel and the threaded grinding precision of the workpiece are improved, and the whole finishing efficiency of the grinding wheel is improved.
Example 2
The invention provides a grinding machine for numerical control machining, which is shown by referring to fig. 2-4 and comprises a supporting plate 1, a workpiece adjusting device 2, a tail frame 3, a grinding wheel assembly 4, a roller assembly 5 and a moving assembly 6, wherein the workpiece is positioned between the workpiece adjusting device 2 and the tail frame 3 when external threads of a workpiece are machined, the workpiece adjusting device 2 and the tail frame 3 clamp the workpiece, the workpiece adjusting device 2 drives the workpiece to rotate along the axis of the workpiece, the grinding wheel assembly 4 comprises a grinding wheel 41 and a grinding head seat 42, the grinding head seat 42 is suitable for driving the grinding wheel 41 to rotate, when the grinding wheel 41 is contacted with the surface of the workpiece, the surface of the workpiece is ground into the external threads, the roller assembly 5 is arranged on the workpiece adjusting device 2 and is suitable for trimming the circumferential surfaces contacted with the grinding wheel 41 and the workpiece, and the moving assembly 6 is suitable for driving the supporting plate 1 to move along the axis 22 and driving the grinding wheel assembly 4 to move along the axis 22 in the vertical direction.
When the grinding machine is used, a workpiece is placed between the workpiece adjusting device 2 and the tail frame 3, the workpiece is clamped and fixed through the workpiece adjusting device 2 and the tail frame 3, the workpiece adjusting device 2 can drive the workpiece to rotate along the axis direction of the workpiece, the grinding wheel assembly 4 is driven to move towards the workpiece direction through the moving assembly 6 until the circumferential surface of the grinding wheel 41 of the grinding wheel assembly 4 is abutted against the side wall of the workpiece, the grinding head seat 42 drives the grinding wheel 41 to rotate, grinding is carried out on the workpiece, the moving assembly 6 can drive the supporting plate 1 to move along the axis 22 direction of the workpiece at the moment, the workpiece is driven to move along the axis direction of the workpiece, the grinding wheel 41 can grind the surface of the workpiece along the length of the workpiece, external threads are formed, when the grinding wheel 41 grinds a certain number of workpieces, the moving assembly 6 directly drives the grinding wheel 41 and the roller assembly 5 to be close to each other until the roller assembly 5 can finish the circumferential surface of the grinding wheel 41 and the workpiece, the circumferential surface of the grinding wheel 41 is finished again, the circumferential surface of the grinding wheel assembly 41 can be finished into the tip of external threads better, the grinding wheel assembly 5 is assembled on an external thread grinding machine, the grinding machine can be finished through the external thread grinding machine when the moving assembly 6 is required, the grinding efficiency of the grinding wheel assembly is improved, and the grinding efficiency is improved.
As a specific embodiment, the moving assembly 6 includes a first guide rail 61 disposed at the bottom of the supporting plate 1 and a second guide rail 62 disposed at the grinding wheel assembly 4, the first guide rail 61 and the second guide rail 62 are both horizontally disposed, the first guide rail 61 and the second guide rail 62 are configured as a ball screw and a nut seat, the ball screw is driven by a motor to rotate, thereby driving the nut seat to move along the length direction of the ball screw, the nut seat is the moving end of the first guide rail 61 and the second guide rail 62, the supporting plate 1 is disposed on the moving end of the first guide rail 61, the grinding wheel assembly 4 is disposed on the moving end of the first guide rail 61, the first guide rail 61 is driven by the motor to move along the length direction of the first guide rail 61, the second guide rail 62 is driven by the motor to move along the length direction of the second guide rail 62, the second guide rail 62 is disposed along the length direction of the workpiece, the workpiece adjusting device 2, the roller assembly 5 and the tailstock 3 on the supporting plate 1 are all capable of moving along the length direction of the workpiece or the length direction of the first guide rail 61, the second guide rail 4 is also capable of moving along the length direction of the second guide rail 4, and the outer surface of the workpiece can be simultaneously dressed by the grinding wheel assembly 4, and the grinding wheel assembly can be simultaneously moved along the length direction of the outer surface of the second guide rail 4.
As a specific embodiment, the workpiece adjusting device 2 includes a workpiece box 21, a workpiece shaft 22 and a workpiece chuck 23, which are disposed on the pallet 1, wherein the workpiece shaft 22 is disposed along the length direction of the workpiece, the workpiece shaft 22 is powered to rotate by a motor, and the workpiece chuck 23 is disposed on the workpiece shaft 22 and is suitable for clamping the workpiece, so that the workpiece shaft 22 drives the workpiece to rotate.
The roller assembly 5 comprises a roller seat 51 arranged on the workpiece adjusting device 2, a roller shaft 52 arranged on the roller seat 51 and a vertically arranged diamond roller 53 arranged on the roller shaft 52, wherein the roller shaft 52 drives the diamond roller 53 to rotate by providing power through a motor.
The grinding wheel assembly 4 further comprises a rotating member 43, the rotating member 43 is arranged as a rotating motor, the grinding head seat 42 is arranged on the rotating end of the rotating member 43, the rotating member 43 drives the grinding head seat 42 to rotate, so that the grinding wheel 41 can be driven to rotate, the grinding wheel 41 is in an inclined state, continuous external threads can be ground on the surface of a workpiece, in addition, when the circumferential surface of the grinding wheel 41 needs to be dressed, the grinding wheel 41 is rotated again through the rotating member 43, the grinding wheel 41 is in a vertical state and the rollers are arranged in parallel, and therefore the grinding wheel 41 and the rollers are moved, and the circumferential surface of the grinding wheel 41 is dressed by the rollers.
As an alternative embodiment, the tail frame 3 includes a frame body 31 and a cone head 32 disposed on the supporting plate 1, the cone head 32 is disposed on a side of the frame body 31 facing the workpiece, and the tip of the hammer head faces the workpiece, the cone head 32 is movably disposed on the frame body 31 along the length direction of the workpiece, when the workpiece is placed between the workpiece adjusting device 2 and the cone head 32, the cone head 32 is moved until the tip of the cone head 32 collides with the end of the workpiece, in order to realize the movement of the cone head 32, the cone head 32 can be moved along the length direction of the workpiece by a cylinder, a telescopic rod of the cylinder is connected with one end of the cone head 32 facing away from the tip, and the cone head 32 can be moved by starting the cylinder to realize the center collision or separation of the tip of the cone head 32 and the center of the tapping one end.
T-shaped grooves 7 are formed in the supporting plate 1 along the length direction of the workpiece, T-shaped blocks 8 are arranged on one side of the frame body 31, facing the T-shaped grooves 7, of the T-shaped blocks 8, the T-shaped blocks 8 are located in the T-shaped grooves 7 and slide along the length direction of the T-shaped grooves 7, fixing pieces are arranged on the frame body 31 and are suitable for limiting the frame body 31 to slide on the supporting plate 1, the frame body 31 moves on the supporting plate 1 along the length direction of the workpiece through the T-shaped grooves 7 and the T-shaped blocks 8, when workpieces with different lengths are processed, the frame body 31 is moved at the moment, adjustment is carried out, the space between the cone head 32 and the workpiece adjusting device 2 can be adapted to different workpieces, after adjustment, the frame body 31 is fixed through the fixing pieces, the relative positions of the frame body 31 and the supporting plate 1 are limited, and the frame body 31 can clamp and grind the workpieces without moving on the supporting plate 1.
The mounting is including setting up at least one bolt hole 9 on the support body 31, just bolt hole 9 and T type groove 7 intercommunication, bolt hole 9 internal thread connection has the bolt, bolt one end stretches into in the T type groove 7 and with T type groove 7 diapire support tightly.
One end of the T-shaped groove 7 back to the workpiece adjusting device 2 extends towards the direction of the frame body 31 until the T-shaped groove 7 penetrates through the side wall of the supporting plate 1, and the T-shaped groove 7 and the T-shaped block 8 are arranged to be of T shape, so that the T-shaped block 8 is prevented from being separated from the T-shaped groove 7 in the vertical direction, in addition, the T-shaped groove 7 penetrates through the side wall of the supporting plate 1, the T-shaped block 8 is conveniently taken out from the T-shaped groove 7, and the frame body 31 and the supporting plate 1 are separated
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (10)
1. A method of dressing a grinding wheel, comprising:
carrying out three-dimensional modeling on the trimmed molding grinding wheel;
when the circumferential surfaces of the diamond roller and the forming grinding wheel are contacted, a moving track diagram of the diamond roller or the grinding wheel is established;
and rotating the diamond roller and the grinding wheel, moving the diamond roller or the grinding wheel to enable the trimming surface of the diamond roller to be in contact with the circumferential surface of the grinding wheel, and continuously moving the diamond roller or the grinding wheel according to the moving track graph to enable the diamond roller to trim the circumferential surface of the grinding wheel.
2. The dressing method of a grinding wheel according to claim 1, wherein in the step of three-dimensionally modeling the dressed molded grinding wheel, the established molded grinding wheel three-dimensional model is inclined in accordance with the inclination angle of the actual grinding wheel, and the surface parameters of the cross section of the molded grinding wheel three-dimensional model overlapped with the reference plane are measured with the horizontal plane passing through the center point of the molded grinding wheel as the reference plane overlapped with the molded grinding wheel three-dimensional model.
3. The dressing method of a grinding wheel according to claim 2, wherein the surface parameters of both ends in the cross-sectional length direction of the three-dimensional model of the molded grinding wheel, which coincides with the reference surface, from one end to the other end in the width direction thereof are the movement trajectories of the movement trajectory map of the diamond roller or the molded grinding wheel.
4. The dressing method as claimed in claim 3, wherein in the step of creating the movement trace map of the diamond roller or the molded grinding wheel when the diamond roller is brought into contact with the circumferential surface of the molded grinding wheel, different movement trace maps are created according to different inclination angles of the three-dimensional model of the molded grinding wheel.
5. The dressing method of grinding wheel according to claim 4, wherein after the step of creating the movement trace pattern of the diamond roller or the molded grinding wheel when the diamond roller is in contact with the circumferential surface of the molded grinding wheel, the movement trace pattern corresponding to the different inclination angles is formed into a reference database for dressing the molded grinding wheel, and the reference database is input into a control system for moving the diamond roller or the molded grinding wheel, and the control system controls the movement of the diamond roller or the molded grinding wheel to dress the circumferential surface of the molded grinding wheel according to the inclination angle of the actual molded grinding wheel.
6. A grinding machine for numerical control machining, characterized in that a dressing method of the grinding wheel according to any one of the above claims 1 to 5 is used.
7. The grinding machine for numerical control machining according to claim 6, characterized by comprising a supporting plate (1), a workpiece adjusting device (2) and a tailstock (3) which are arranged on the supporting plate (1), wherein a workpiece is arranged between the workpiece adjusting device (2) and the tailstock (3), the workpiece adjusting device (2) and the tailstock (3) clamp the workpiece, and the workpiece adjusting device (2) drives the workpiece to rotate along the axis of the workpiece, and further comprising:
the grinding wheel assembly (4) comprises a grinding wheel (41) and a grinding head seat (42), wherein the grinding head seat (42) is suitable for driving the grinding wheel (41) to rotate, and when the grinding wheel (41) is in contact with the surface of a workpiece, external threads are ground on the surface of the workpiece;
the roller assembly (5) comprises a rotatable diamond roller (53) which is arranged on the workpiece adjusting device (2) and is suitable for trimming the circumferential surface of the grinding wheel (41) contacted with the workpiece;
and the moving assembly (6) is suitable for driving the supporting plate (1) to move along the line of the workpiece shaft (22) and driving the grinding wheel assembly (4) to move along the direction perpendicular to the line of the workpiece shaft (22).
8. A grinding machine for numerical control machining according to claim 7, characterized in that the grinding wheel assembly (4) further comprises a rotating member (43), the grinding head base (42) being provided on a rotating end of the rotating member (43), the rotating member (43) driving the grinding head base (42) to rotate to adjust the inclination angle of the grinding wheel (41).
9. The numerical control machine tool grinding machine according to claim 7, wherein the moving assembly (6) includes a first guide rail (61) disposed at a bottom of the pallet (1) and a second guide rail (62) disposed at the grinding wheel assembly (4), the pallet (1) is disposed on a moving end of the first guide rail (61), the grinding wheel assembly (4) is disposed on a moving end of the first guide rail (61), the first guide rail (61) drives the pallet (1) to move along a length direction of the first guide rail (61) by a motor, the second guide rail (62) drives the grinding wheel assembly (4) to move along a length direction of the second guide rail (62) by a motor, the first guide rail (61) is disposed along a length direction of the workpiece, and the second guide rail (62) is disposed along a direction perpendicular to an axis of the first guide rail (61).
10. A grinding machine for numerical control machining according to claim 7, characterized in that the workpiece adjusting device (2) comprises a workpiece box (21) arranged on the supporting plate (1), a workpiece shaft (22) and a workpiece chuck (23), wherein the workpiece shaft (22) is arranged along the length direction of the workpiece, the workpiece shaft (22) is powered to rotate by a motor, and the workpiece chuck (23) is arranged on the workpiece shaft (22) and is suitable for clamping the workpiece, so that the workpiece shaft (22) drives the workpiece to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310929012.1A CN116713903A (en) | 2023-07-27 | 2023-07-27 | Dressing method of grinding wheel and grinding machine for numerical control machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310929012.1A CN116713903A (en) | 2023-07-27 | 2023-07-27 | Dressing method of grinding wheel and grinding machine for numerical control machining |
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| CN116713903A true CN116713903A (en) | 2023-09-08 |
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| CN202310929012.1A Pending CN116713903A (en) | 2023-07-27 | 2023-07-27 | Dressing method of grinding wheel and grinding machine for numerical control machining |
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| CN (1) | CN116713903A (en) |
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