CN213615621U - Numerical control magneto-rheological polishing machine with coordinate detection function - Google Patents
Numerical control magneto-rheological polishing machine with coordinate detection function Download PDFInfo
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- CN213615621U CN213615621U CN202022764013.XU CN202022764013U CN213615621U CN 213615621 U CN213615621 U CN 213615621U CN 202022764013 U CN202022764013 U CN 202022764013U CN 213615621 U CN213615621 U CN 213615621U
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Abstract
The utility model discloses a take coordinate to detect numerical control magnetic current becomes burnishing machine of function, including the fuselage, by locating first drive arrangement driven work piece cushion cap on the fuselage, by locating second drive arrangement driven burnishing head on the fuselage and install and be used for carrying out the throwing aureola that polishes to the work piece of location on the work piece cushion cap on the burnishing head, install the coordinate gauge head that is used for detecting the work piece coordinate on the burnishing head. The numerical control magnetorheological polishing machine is convenient to detect, obtain and establish the initial coordinates of the workpiece as the reference of polishing, so that the labor intensity of workers can be greatly reduced, the installation efficiency and the overall processing efficiency of the workpiece can be improved, and the polishing precision can be improved.
Description
Technical Field
The utility model relates to a burnishing equipment technical field, concretely relates to take numerical control magneto rheological burnishing machine of coordinate detection function.
Background
The numerical control magneto-rheological polishing machine is a processing device commonly used in polishing the surface of a workpiece. When the existing numerical control magnetorheological polishing machine polishes a workpiece, the workpiece needs to be installed and positioned on a preset coordinate position on a workpiece bearing platform firstly, so that the workpiece can be accurately polished, the workpiece is manually adjusted to be located at the preset coordinate position in the prior art, the position of the workpiece needs to be manually and repeatedly corrected and adjusted in the process, the problems of high manual labor intensity and low efficiency exist, errors still exist in manual adjustment, and the precision and the efficiency of subsequent polishing are influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome the not enough of prior art existence, provide a take numerical control magneto rheological polishing machine of coordinate detection function to in the initial coordinate that the detection obtained and establish the work piece and locate refers as the benchmark of polishing processing, thereby but greatly reduced manual labor intensity, improvement work piece installation effectiveness and whole machining efficiency, and do benefit to and improve the polishing machining precision.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the numerical control magnetorheological polishing machine with the coordinate detection function comprises a machine body, a workpiece bearing platform driven by a first driving device arranged on the machine body, a polishing head driven by a second driving device arranged on the machine body and a polishing wheel arranged on the polishing head and used for polishing a workpiece positioned on the workpiece bearing platform, wherein a coordinate measuring head used for detecting the coordinate of the workpiece is arranged on the polishing head.
As a further improvement of the above technical solution:
the coordinate measuring head is detachably mounted on the polishing head through a detachable connecting mechanism.
And the coordinate measuring head is positioned right below the polishing wheel.
The detachable connecting mechanism comprises an installation frame, the installation frame is connected with the polishing head through more than one fastener, and the coordinate measuring head is installed on the installation frame.
The mounting bracket is located the below of polishing wheel, and the mounting bracket has two connecting portion that are located polishing wheel axial both sides respectively, every connecting portion all through at least one fastener with the rubbing head is connected.
The connecting part is in surface contact fit with the polishing head, a positioning hole is formed in the contact surface of the polishing head and the connecting part, and a positioning column which is inserted into the positioning hole to form positioning is arranged on the connecting part.
And the coordinate measuring head is fixedly arranged on the polishing head.
The first driving device comprises an X-direction moving unit arranged on the machine body and a C-direction rotating unit which is arranged on the X-direction moving unit and can rotate around a C axis, and the workpiece bearing platform is arranged on the C-direction rotating unit; the second driving device comprises a YZ-direction combined motion unit which is arranged on the machine body and is formed by combining a Y-direction motion unit and a Z-direction motion unit, and the polishing head is arranged on the YZ-direction combined motion unit.
The polishing head is arranged on the YZ-direction combined moving unit through an A-direction rotating unit capable of rotating around an A axis, a B-direction rotating unit capable of rotating around a B axis or an AB-direction combined moving unit formed by combining the A-direction rotating unit and the B-direction rotating unit.
The coordinate measuring head is a sensor capable of detecting X-direction, Y-direction and Z-direction coordinates, or the coordinate measuring head is a sensor capable of detecting X-direction and Y-direction coordinates.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a take numerical control magneto rheological burnishing machine of coordinate detection function has installed the coordinate gauge head on the polishing head, usable coordinate gauge head detects the coordinate that the work piece located, and then be convenient for detect and obtain and establish the initial coordinate that the work piece located, then regard this initial coordinate as the benchmark reference to carry out subsequent polishing processing, do not need the manual work to adjust the location repeatedly when fixing a position work piece bearing platform like this, but greatly reduced artifical intensity of labour, improve work piece installation efficiency and whole machining efficiency, can avoid the easy problem that produces the error of manual positioning simultaneously, do benefit to and improve the polishing machining precision.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of the numerical control magnetorheological polishing machine after a coordinate measuring head is detached.
FIG. 2 is a schematic view of a three-dimensional structure of the numerical control magnetorheological polishing machine after a coordinate measuring head is installed on the numerical control magnetorheological polishing machine.
FIG. 3 is a schematic view of a partial perspective of a coordinate probe mounted on a polishing head.
FIG. 4 is a schematic partial perspective view of a polishing head.
Fig. 5 is a schematic perspective view of the coordinate measuring head mounted on the mounting bracket.
Illustration of the drawings:
1. a body; 2. a first driving device; 21. an X-direction motion unit; 22. a C-direction rotating unit; 3. a workpiece support table; 4. a second driving device; 41. a Y-direction moving unit; 42. a Z-direction motion unit; 43. an A-direction rotating unit; 44. a B-direction rotating unit; 5. a polishing head; 6. a polishing wheel; 7. a coordinate measuring head; 8. a mounting frame; 81. a connecting portion; 82. a positioning column; 9. a fastener.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1 and fig. 2, the digital controlled magnetorheological polishing machine with coordinate detection function of the present embodiment includes a machine body 1, a workpiece support 3 driven by a first driving device 2 disposed on the machine body 1, a polishing head 5 driven by a second driving device 4 disposed on the machine body 1, and a polishing wheel 6 mounted on the polishing head 5 for polishing a workpiece positioned on the workpiece support 3, wherein a coordinate measuring head 7 for detecting coordinates of the workpiece is mounted on the polishing head 5. This take numerical control magnetic current to become burnishing machine of coordinate detection function has installed coordinate gauge head 7 on rubbing head 5, the coordinate that usable coordinate gauge head 7 detected the work piece and located, and then be convenient for detect and obtain and establish the initial coordinate that the work piece located, then regard this initial coordinate as the benchmark reference to carry out subsequent polishing processing, do not need the manual work to adjust the location repeatedly when installing the work piece location to work piece cushion cap 3 like this, but greatly reduced artifical intensity of labour, improve work piece installation effectiveness and whole machining efficiency, can avoid the easy problem that produces the error of manual positioning simultaneously, do benefit to and improve the polishing precision.
In this embodiment, the coordinate measuring head 7 is detachably mounted on the polishing head 5 through the detachable connection mechanism, so that the coordinate measuring head 7 can be conveniently detached as required.
In this embodiment, the coordinate measuring head 7 is located right below the polishing wheel 6, the coordinate measuring head 7 and the polishing wheel 6 are located at the same horizontal position, and the range detected by the coordinate measuring head 7 is basically corresponding to the processing range of the polishing wheel 6, so that subsequent polishing processing is facilitated.
In this embodiment, as shown in fig. 3 to 5, the detachable connection mechanism includes a mounting bracket 8, the mounting bracket 8 is connected to the polishing head 5 through one or more fasteners 9, and the coordinate measuring head 7 is mounted on the mounting bracket 8, and the detachable connection mechanism has a simple structure, low cost, easy assembly and disassembly, and good connection stability, and can change the position of the coordinate measuring head 7 relative to the polishing wheel 6 conveniently by changing the structural shape of the mounting bracket 8. The fastening member 9 is a screw, preferably, a threaded through hole matched with the fastening member 9 is preset on the mounting bracket 8, a threaded connection hole matched with the fastening member 9 is preset on the polishing head 5, and the fastening member 9 passes through the threaded through hole to be matched and connected with the threaded connection hole, so that the mounting bracket 8 is fixed on the polishing head 5.
In this embodiment, the mounting bracket 8 is located below the polishing wheel 6, and the mounting bracket 8 has two connecting portions 81 respectively located at two axial sides of the polishing wheel 6, and each connecting portion 81 is connected to the polishing head 5 through at least one fastener 9. This kind of mounting bracket 8 spanes the mounting means that sets up in 6 below of throwing aureola, and 8 both ends of mounting bracket all are connected with rubbing head 5 through fastener 9, and not only mounting bracket 8's installation steadiness is good, can also improve the holistic structural strength in mounting bracket 8 and rubbing head 5 connection back and steadiness simultaneously, especially locate throwing aureola 6 with coordinate gauge head 7 under the condition, can improve coordinate gauge head 7's installation steadiness.
In this embodiment, the connection portion 81 is in surface contact with and matched with the polishing head 5, a positioning hole is provided on a contact surface of the polishing head 5 and the connection portion 81, and a positioning column 82 inserted into the positioning hole to form positioning is provided on the connection portion 81. Through the plug-in type location structure of reference column 82 and locating hole, can further improve the installation steadiness of mounting bracket 8 under the convenient prerequisite of guaranteeing loading and unloading, and reference column 82 still plays the effect of positioning with the locating hole, the installation of the fastener 9 of being convenient for.
In this embodiment, the first driving device 2 includes an X-direction moving unit 21 mounted on the body 1 and a C-direction rotating unit 22 mounted on the X-direction moving unit 21 and capable of rotating around the C-axis, and the work table 3 is mounted on the C-direction rotating unit 22; the second driving device 4 includes a YZ combined moving unit which is mounted on the body 1 and is formed by combining a Y-direction moving unit 41 and a Z-direction moving unit 42, and the polishing head 5 is mounted on the YZ combined moving unit. The X-direction moving unit 21, the C-direction rotating unit 22, the Y-direction moving unit 41, the Z-direction moving unit 42, the a-direction rotating unit 43, and the B-direction rotating unit 44 all adopt the prior art, wherein the X-direction moving unit 21, the Y-direction moving unit 41, and the Z-direction moving unit 42 adopt a combination of a motor and a sliding mechanism, the X-direction moving unit 21 can drive the workpiece support 3 to adjust and displace in the X direction, the Y-direction moving unit 41 can drive the polishing head 5 to adjust and displace in the Y direction, the Z-direction moving unit 42 can drive the polishing head 5 to adjust and displace in the Z direction, and the X direction, the Y direction, and the Z direction are respectively three coordinate axis directions of a preset three-dimensional coordinate system. The C-direction rotating unit 22, the a-direction rotating unit 43, and the B-direction rotating unit 44 adopt a combination of a motor and a rotating mechanism, wherein the C-direction rotating unit 22 can drive the workpiece support 3 to rotate around a C axis, the C axis is parallel to a Z axis, the a-direction rotating unit 43 can drive the polishing head 5 to swing around an a axis, the a axis is parallel to an X axis, the B-direction rotating unit 44 can drive the polishing head 5 to swing around a B axis, and the B axis is parallel to the Z axis. The arrangement of the first driving device 2 and the second driving device 4 can meet various processing requirements, and the processing range is wide.
In other embodiments, the second driving device 4 may be provided with only one of the a-direction rotating unit 43 and the B-direction rotating unit 44, or the second driving device 4 may not be provided with the a-direction rotating unit 43 and the B-direction rotating unit 44.
In this embodiment, the coordinate measuring head 7 is a sensor capable of detecting X-direction, Y-direction, and Z-direction coordinates of the workpiece. In other embodiments, the coordinate measuring head 7 may also be a sensor capable of detecting X-direction and Y-direction coordinates according to actual needs. The coordinate measuring head 7 of the present embodiment is preferably a switch type sensor, which is low in cost. Other forms of sensors may be used in other embodiments.
The coordinate measuring head 7 of the present embodiment is detachably mounted on the polishing head 5, and in other embodiments, the coordinate measuring head 7 may also be fixedly mounted on the polishing head 5 as long as the polishing operation of the polishing wheel 6 is not disturbed.
After the numerical control magnetorheological polishing machine with the coordinate detection function is configured with a corresponding control program, the following polishing method can be realized:
1. the workpiece is secured to the workpiece support 3, and may be secured at any suitable location on the workpiece support 3 with the workpiece oriented substantially normal
The method is accurate;
2. determining the orientation of the workpiece by using the coordinate measuring head 7, and correcting the orientation;
3. determining the central position of the workpiece by using the coordinate measuring head 7;
4. determining the Z-direction coordinate of the surface type of the workpiece by using a coordinate measuring head;
5. determining a machining coordinate system according to the central position of the workpiece and the Z-direction coordinate;
6. polishing is started.
In the step 2, if the workpiece is a circular workpiece, the specific method for determining the orientation of the workpiece by using the workpiece measuring head is to preset two mark points in the Y direction, and detect the coordinate values of the two mark points by using the coordinate measuring head 7, and record the coordinate values as (X)1，Y1) And (X)2，Y2) Then, the workpiece orientation theta can be calculated as,
the workpiece support table 3 is rotated by an angle of- θ by the C-direction rotating unit 22, and the workpiece orientation is aligned with the Y-direction.
If the workpiece is a square or rectangular workpiece, only 2 coordinate values of points need to be detected arbitrarily on the side of the workpiece parallel to the Y direction, and the orientation of the workpiece can be calculated and corrected in the same way.
For workpieces of other shapes, the orientation of the workpiece can be determined and corrected in the same way as long as two points in the Y direction or in parallel with the Y direction are marked. Of course, the marked points can be in the X direction, and the calculation method is similar.
In the step 3, if the workpiece is rectangular or square, the center coordinates of the workpiece can be calculated as long as one point is detected on each of 4 sides of the workpiece. If the workpiece is circular, the center coordinates of the workpiece can be calculated by detecting 3 points on the edge of the workpiece arbitrarily.
The order of steps 2 and 3 above may be reversed. If step 3 is performed first and the center position of the workpiece is determined, only one point may be detected and the center of the workpiece may be set as another point when step 2 is performed.
The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a take numerical control magnetic current to become burnishing machine of coordinate detection function, includes fuselage (1), by work piece cushion cap (3) of locating first drive arrangement (2) drive on fuselage (1), by polishing head (5) of locating second drive arrangement (4) drive on fuselage (1) and install be used for on polishing head (5) to the location work piece on work piece cushion cap (3) carries out polishing aureola (6) of polishing, its characterized in that: and a coordinate measuring head (7) for detecting the coordinates of the workpiece is arranged on the polishing head (5).
2. The numerically controlled magnetorheological finishing machine according to claim 1, wherein: the coordinate measuring head (7) is detachably mounted on the polishing head (5) through a detachable connecting mechanism.
3. The numerically controlled magnetorheological finishing machine according to claim 2, wherein: and the coordinate measuring head (7) is positioned right below the polishing wheel (6).
4. The numerically controlled magnetorheological finishing machine according to claim 2, wherein: the detachable connecting mechanism comprises a mounting frame (8), the mounting frame (8) is connected with the polishing head (5) through more than one fastener (9), and the coordinate measuring head (7) is mounted on the mounting frame (8).
5. The numerically controlled magnetorheological finishing machine according to claim 4, wherein: the mounting rack (8) is located below the polishing wheel (6), the mounting rack (8) is provided with two connecting portions (81) which are located on two axial sides of the polishing wheel (6) respectively, and each connecting portion (81) is connected with the polishing head (5) through at least one fastener (9).
6. The numerically controlled magnetorheological finishing machine according to claim 5, wherein: the connecting portion (81) is in surface contact fit with the polishing head (5), a positioning hole is formed in the contact surface of the polishing head (5) and the connecting portion (81), and a positioning column (82) inserted into the positioning hole to form positioning is arranged on the connecting portion (81).
7. The numerically controlled magnetorheological finishing machine according to claim 1, wherein: and the coordinate measuring head (7) is fixedly arranged on the polishing head (5).
8. The numerically controlled magnetorheological finishing machine according to any one of claims 1 to 7, wherein: the first driving device (2) comprises an X-direction moving unit (21) arranged on the machine body (1) and a C-direction rotating unit (22) which is arranged on the X-direction moving unit (21) and can rotate around a C axis, and the workpiece bearing platform (3) is arranged on the C-direction rotating unit (22); the second driving device (4) comprises a YZ-direction combined movement unit which is arranged on the machine body (1) and is formed by combining a Y-direction movement unit (41) and a Z-direction movement unit (42), and the polishing head (5) is arranged on the YZ-direction combined movement unit.
9. The numerically controlled magnetorheological finishing machine according to claim 8, wherein: the polishing head (5) is arranged on the YZ-direction combined moving unit through an A-direction rotating unit (43) capable of rotating around an A axis, a B-direction rotating unit (44) capable of rotating around a B axis or an AB-direction combined moving unit formed by combining the A-direction rotating unit (43) and the B-direction rotating unit (44).
10. The numerically controlled magnetorheological finishing machine according to claim 7, wherein: the coordinate measuring head (7) is a sensor capable of detecting X-direction, Y-direction and Z-direction coordinates, or the coordinate measuring head (7) is a sensor capable of detecting X-direction and Y-direction coordinates.
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| CN202022764013.XU CN213615621U (en) | 2020-11-25 | 2020-11-25 | Numerical control magneto-rheological polishing machine with coordinate detection function |
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| CN202022764013.XU CN213615621U (en) | 2020-11-25 | 2020-11-25 | Numerical control magneto-rheological polishing machine with coordinate detection function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427325A (en) * | 2021-07-16 | 2021-09-24 | 吉林大学 | Electromagnetic current coupling optical curved surface precision polishing machining tool and machining method |
| CN113618542A (en) * | 2021-07-13 | 2021-11-09 | 中国兵器科学研究院宁波分院 | Polishing equipment |
| CN114226809A (en) * | 2021-12-27 | 2022-03-25 | 济南章力机械有限公司 | Multi-axis linkage type numerical control drilling and milling machine tool |
-
2020
- 2020-11-25 CN CN202022764013.XU patent/CN213615621U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618542A (en) * | 2021-07-13 | 2021-11-09 | 中国兵器科学研究院宁波分院 | Polishing equipment |
| CN113427325A (en) * | 2021-07-16 | 2021-09-24 | 吉林大学 | Electromagnetic current coupling optical curved surface precision polishing machining tool and machining method |
| CN114226809A (en) * | 2021-12-27 | 2022-03-25 | 济南章力机械有限公司 | Multi-axis linkage type numerical control drilling and milling machine tool |
| CN114226809B (en) * | 2021-12-27 | 2022-07-15 | 济南章力机械有限公司 | Multi-axis linkage type numerical control drilling and milling machine tool |
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