CN215825079U - Five-axis force control polishing machine - Google Patents
Five-axis force control polishing machine Download PDFInfo
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- CN215825079U CN215825079U CN202121102374.6U CN202121102374U CN215825079U CN 215825079 U CN215825079 U CN 215825079U CN 202121102374 U CN202121102374 U CN 202121102374U CN 215825079 U CN215825079 U CN 215825079U
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Abstract
The utility model relates to the technical field of polishing, in particular to a five-axis force control polishing machine, which comprises a machine table, a Y-axis moving mechanism arranged on the machine table of a machine base, an X-axis moving mechanism arranged on the Y-axis moving mechanism, a plurality of force control mechanisms arranged on the X-axis moving mechanism and used for placing products, a product bearing mechanism arranged on the force control mechanisms, a Z-axis moving mechanism arranged on the machine table and a polishing mechanism arranged on the Z-axis moving mechanism. The product bearing mechanism is arranged on the force control mechanism, can detect the force applied to the product in the grinding and polishing process, and controls the force control mechanism to perform rapid adjustment according to the detected result, so that real-time compensation is realized, the condition that the product is damaged or fails to meet the design requirement due to excessive or insufficient force is avoided, the yield is ensured, and the quality of the product is ensured.
Description
Technical Field
The utility model relates to the technical field of polishing, in particular to a five-axis force control polishing machine.
Background
Polishing refers to a processing method for reducing the roughness of the surface of a workpiece by using mechanical, chemical or electrochemical actions to obtain a bright and flat surface, and is a modification processing of the surface of the workpiece by using a polishing tool and abrasive particles or other polishing media. Polishing does not improve the dimensional or geometric accuracy of the workpiece, but is also sometimes used to eliminate gloss with the aim of obtaining a smooth surface or a mirror finish. In recent years, smart products or devices such as smart phones, tablet computers, smart watches, and the like are gradually popularized, and with the development of technologies, the pursuit of the products is no longer limited to the performance itself, and the requirements on the appearance are higher and higher, so that higher requirements are also put on the surface treatment of the shells of the devices. In the processing process of the mobile phone middle frame, the mobile phone middle frame needs to be ground and polished to meet the design requirement. At present, when the cell-phone center is polished, generally adopt burnishing and polishing equipment to polish the operation, current burnishing and polishing equipment can realize the automation of certain degree, but is difficult to at the in-process accurate control dynamics of burnishing and polishing, appears damaging the product or can't reach the condition of settlement standard because of too big or the undersize of polishing dynamics easily, and current polishing equipment's polishing angle is generally comparatively fixed, is difficult to carry out multi-angle polishing to a plurality of products simultaneously.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a five-axis force control polishing machine.
The utility model is realized by adopting the following scheme:
a five-axis force-controlled polishing machine comprising:
a machine platform;
the Y-axis moving mechanism is arranged on the machine table;
the X-axis moving mechanism is arranged on the Y-axis moving mechanism;
the force control mechanisms are arranged on the X-axis moving mechanism and used for placing products;
the product bearing mechanism is arranged on the force control mechanism;
a Z-axis moving mechanism arranged on the machine platform;
the polishing mechanism is arranged on the Z-axis moving mechanism;
the X-axis moving mechanism is provided with a substrate, the force control mechanism comprises a force control seat movably connected to the substrate, a force sensor arranged on the force control seat, and a moving assembly arranged on the substrate and used for driving the force control seat to move along the Y-axis direction, and the product bearing mechanism is connected with the force sensor.
Furthermore, the moving assembly comprises a force control lead screw arranged on the substrate and a force control motor used for driving the force control lead screw to rotate, the force control seat is connected with the force control lead screw, and the axial direction of the force control lead screw is arranged along the Y-axis direction.
Furthermore, the product bearing mechanism comprises a divider arranged on the force sensor, a pneumatic slip ring connected with the divider, a transfer shaft connected with the pneumatic slip ring, and a bearing driving piece for driving the divider.
Furthermore, the polishing mechanism comprises a fixing frame connected with the Z-axis moving mechanism, a polishing box with two ends rotatably connected with the fixing frame, a plurality of first polishing motors arranged inside the polishing box and a polishing head connected with the output end of the first polishing motors, wherein the fixing frame is also provided with second polishing motors used for driving the polishing box to rotate, and the number of the polishing motors is greater than or equal to that of the product bearing mechanisms.
Further, the output shaft of the first polishing motor is perpendicular to the rotating shaft of the polishing box, and the output shafts of the adjacent first polishing motors are perpendicular to each other.
Furthermore, a speed reducer is connected between the second polishing motor and the polishing box.
Further, the first polishing motor is a double-head output motor.
Furthermore, the Y-axis moving mechanism comprises a Y-axis guide rail group arranged on the machine table, a Y-axis moving seat connected with the Y-axis guide rail group, and a Y-axis electric lead screw connected with the Y-axis moving seat; the X-axis moving mechanism comprises an X-axis guide rail group arranged on the Y-axis moving seat, an X-axis moving seat connected with the X-axis guide rail group, and an X-axis electric lead screw connected with the X-axis moving seat; the Z-axis moving mechanism comprises a Z-axis support frame arranged on the machine table, a Z-axis guide rail set vertically arranged on the Z-axis support frame, a Z-axis moving seat connected with the Z-axis guide rail set, and a Z-axis electric lead screw connected with the Z-axis moving seat.
Furthermore, both ends of the polishing box are provided with connecting components, and the polishing box is rotatably connected with the fixing frame through the connecting components; coupling assembling including set up in the swivelling joint head of polishing case tip set up in connection pad on the mount, and be used for connecting the bearing of swivelling joint head and connection pad.
Furthermore, the five-axis force control polishing machine further comprises a circulating system arranged on one side of the machine table, a lower machine cover arranged on the machine table, an outer machine cover arranged on the lower machine cover, and an industrial control module arranged on the outer machine cover.
Compared with the prior art, the utility model has the following beneficial effects:
the product bearing mechanism is arranged on the force control mechanism, can detect the force applied to the product in the grinding and polishing process, and controls the force control mechanism to perform rapid adjustment according to the detected result, so that real-time compensation is realized, the condition that the product is damaged or fails to meet the design requirement due to excessive or insufficient force is avoided, the yield is ensured, and the quality of the product is ensured. On the other hand, the product bearing mechanism of the utility model can adjust the position through three shafts, and the polishing box can adjust the position through two shafts, so that the polishing position and the polishing angle can be flexibly adjusted, and the omnibearing polishing of the product is realized.
Drawings
Fig. 1 is a schematic diagram of the general structure of a five-axis force control polishing machine provided by the utility model.
Fig. 2 is a schematic structural diagram of the present invention, in which the external housing and the industrial control module are hidden.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is another schematic view of the present invention, in which the outer housing and the industrial control module are hidden.
FIG. 5 is a schematic view of the polishing mechanism of the present invention, in which the polishing housing and the polishing pad are hidden.
The figure includes:
a machine table 1, a lower machine cover 11, an outer machine cover 12, a Y-axis moving mechanism 2, a Y-axis guide rail group 21, a Y-axis moving seat 22, a Y-axis electric lead screw 23, an X-axis moving mechanism 3, a base plate 31, an X-axis guide rail group 32, an X-axis moving seat 33, an X-axis electric lead screw 34, a force control mechanism 4, a force control seat 41, a force sensor 42, a moving assembly 43, a force control lead screw 431, a force control motor 432, a product bearing mechanism 5, a divider 51 and a pneumatic slip ring 52, the polishing machine comprises a transfer shaft 53, a bearing driving piece 54, a Z-axis moving mechanism 6, a Z-axis supporting frame 61, a Z-axis guide rail set 62, a Z-axis moving seat 63, a Z-axis electric lead screw 64, a polishing mechanism 7, a fixing frame 71, a polishing box 72, a first polishing motor 73, a polishing head 74, a speed reducer 75, a connecting assembly 76, a rotary connector 761, a connecting disc 762, a bearing 763, a second polishing motor 77, a circulating system 8 and an industrial control module 9.
Detailed Description
To facilitate an understanding of the present invention for those skilled in the art, the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
Referring to fig. 1 to 5, the present invention provides a five-axis force-controlled polishing machine, including: a machine table 1; a Y-axis moving mechanism 2 arranged on the machine table 1; an X-axis moving mechanism 3 provided on the Y-axis moving mechanism 2; a plurality of force control mechanisms 4 arranged on the X-axis moving mechanism 3 and used for placing products; the product bearing mechanism 5 is arranged on the force control mechanism 4; a Z-axis moving mechanism 6 arranged on the machine table 1; and the polishing mechanism 7 is arranged on the Z-axis moving mechanism 6. Be provided with a base plate 31 on the X axle moving mechanism 3, power control mechanism 4 including but moving connection in power control seat 41 on the base plate 31, set up in power sensor 42 on the power control seat 41, and set up in be used for the drive on the base plate 31 power control seat 41 moves along the removal subassembly 43 of Y axle direction, product bearing mechanism 5 with power sensor 42 is connected, and power sensor 42 can real time monitoring polishes the power that the in-process acted on the product, and power control mechanism 4 accessible power sensor 42's detection data carries out automatic compensation.
The moving assembly 43 includes a force control screw 431 disposed on the base plate 31, a force control motor 432 for driving the force control screw 431 to rotate, the force control base 41 is connected to the force control screw 431, and an axial direction of the force control screw 431 is disposed along the Y-axis direction. Because product bearing mechanism 5 and force sensor 42 are connected, when polishing mechanism 7 polishes the product of placing on product bearing mechanism 5, force sensor 42 can real-time supervision this moment polishing mechanism 7 acts on the dynamics size on the product, if it is little to monitor the dynamics, power control motor 432 drives the lead screw and rotates, drive power accuse seat 41 moves towards the direction that is close to polishing mechanism 7, increase polishing dynamics, if it is too big to monitor the dynamics, power control motor 432 drives the lead screw and rotates, drive power accuse seat 41 moves towards the direction of keeping away from polishing mechanism 7, reduce the polishing dynamics. The polishing pressure threshold value can be preset according to different polishing sequences or procedures, and the adjustment is performed within the threshold value range.
The product carrier 5 comprises a divider 51 arranged on the force sensor 42, a pneumatic slide ring 52 connected to the divider 51, an adapter shaft 53 connected to the pneumatic slide ring 52, and a carrier drive 54 for driving the divider 51. In specific implementation, the bearing driving member 54 can be fixedly connected to the divider 51 through a bracket, the bearing driving member 54 is a motor, and an output shaft of the motor is in transmission connection with an input shaft of the divider 51. In specific implementation, a product jig can be mounted on the adapter shaft 53, so that a product to be processed can be placed conveniently. In the polishing process, the product bearing mechanism 5 can enable the product to rotate, so that the all-dimensional polishing operation is convenient to carry out.
The polishing mechanism 7 comprises a fixing frame 71 connected with the Z-axis moving mechanism 6, a polishing box 72 with two ends rotatably connected with the fixing frame 71, a plurality of first polishing motors 73 arranged inside the polishing box 72, and polishing heads 74 connected with output ends of the first polishing motors 73, wherein the fixing frame 71 is further provided with second polishing motors 77 for driving the polishing box 72 to rotate, and the number of the polishing motors is greater than or equal to that of the product bearing mechanisms 5. In practice, polishing head 74 may be coupled to polishing wheels (not shown) of different sizes depending on the actual processing requirements. In this embodiment, the fixing frame 71 is substantially "U" -shaped, the polishing box 72 is connected between two arms thereof, the polishing box 72 is a rectangular and long box, the polishing motor is disposed inside the polishing box 72, and an output shaft thereof extends out of the polishing box 72 and is connected to the polishing head 74. In this embodiment, the first polishing motor 73 is a double-head output motor, that is, both ends of the first polishing motor have output shafts, and the double-head output motor may be a concentric motor or an eccentric motor. In this embodiment, a total of 10 first polishing motors 73 are provided, and the specific number can be set according to actual requirements.
The output shaft of the first polishing motor 73 is perpendicular to the rotation shaft of the polishing box 72, and the output shafts of adjacent first polishing motors 73 are perpendicular to each other, in this embodiment, the output shaft of the previous first polishing motor 73 extends out of two opposite side surfaces of the polishing box 72, and the output shaft of the next first polishing motor 73 extends out of the other two opposite side surfaces of the polishing box 72.
A decelerator 75 is connected between the second polishing motor 77 and the polishing housing 72 so that the second polishing motor 77 can more accurately control the rotation angle of the polishing housing 72. By the control of the second polishing machine, the angle of polishing can be better controlled during the sanding polishing process, such as positive angle polishing from the upper side of the product, negative angle polishing from the lower side of the product, or flat polishing. When the output shaft of the first polishing motor 73 is provided with polishing wheels of different specifications, the polishing wheels can be flexibly replaced to polish multiple times.
The Y-axis moving mechanism 2 comprises a Y-axis guide rail group 21 arranged on the machine table 1, a Y-axis moving seat 22 connected with the Y-axis guide rail group 21, and a Y-axis electric lead screw 23 connected with the Y-axis moving seat 22; the X-axis moving mechanism 3 comprises an X-axis guide rail group 32 arranged on the Y-axis moving seat 22, an X-axis moving seat 33 connected with the X-axis guide rail group 32, and an X-axis electric lead screw 34 connected with the X-axis moving seat 33; the Z-axis moving mechanism 6 includes a Z-axis support frame 61 provided on the machine table 1, a Z-axis guide rail set 62 vertically provided on the Z-axis support frame 61, a Z-axis moving base 63 connected to the Z-axis guide rail set 62, and a Z-axis electric lead screw 64 connected to the Z-axis moving base 63. The X-axis movement mechanism 3 and the Y-axis movement mechanism 2 can move the product carrying mechanism 5 in the horizontal direction, and the Z-axis mechanism can move the polishing mechanism 7 in the vertical direction, so that the polishing mechanism 7 can be moved to an appropriate height. The electric lead screw is a combination of a motor and a lead screw.
Both ends of the polishing box 72 are provided with connecting assemblies 76, and the polishing box 72 is rotatably connected with the fixed frame 71 through the connecting assemblies 76; the connecting assembly 76 comprises a rotary connector 761 arranged at the end of the polishing box 72, a connecting disc 762 arranged on the fixing frame 71, and a bearing 763 for connecting the rotary connector 761 and the connecting disc 762.
In this application, the Y-axis moving mechanism 2 constitutes a first axis, the X-axis moving mechanism 3 constitutes a second axis, the Z-axis moving mechanism 6 constitutes a third axis, the product carrying mechanism 5 constitutes a fourth axis, and the rotatable polishing box 72 constitutes a fifth axis.
The five-axis force control polishing machine further comprises a circulating system 8 arranged on one side of the machine table 1, a lower machine cover 11 arranged on the machine table 1, an outer machine cover 12 arranged on the lower machine cover 11, and an industrial control module 9 arranged on the outer machine cover 12. The circulation system 8 can circulate the liquid such as the polishing liquid used in the polishing process by introducing the polishing liquid through the pipe during operation, and the lower housing 11 can collect the liquid such as the polishing liquid flowing down and introduce the liquid into the circulation system 8 for reuse.
In this embodiment, the product bearing mechanisms 5 are provided with five products in total, and can polish five products simultaneously. The method comprises the steps of setting a grinding program in advance according to the technological requirements of target products, installing required grinding wheels, placing products to be machined on a product bearing mechanism 5 during specific work, starting the machining program, and automatically grinding and polishing the products. In the polishing process, the Z-axis moving mechanism 6 drives the polishing mechanism 7 to reach a preset position, and the polishing box 72 is driven to rotate by the second polishing motor 77 to adjust the angle of the polishing head, so that the polishing wheel is parallel to a product, and flat polishing can be realized. If the grinding wheel is positioned on the oblique lower side of the product, then the second polishing motor 77 drives the polishing box 72 to rotate to adjust the angle of the grinding head, so that negative-angle polishing can be realized, and the same is true for positive-angle polishing. When the Z-axis mechanism and the polishing mechanism 7 act, the product bearing mechanism 5 can drive the product to rotate, so that the polishing operation in all directions and at multiple angles can be realized. And after the grinding and polishing are finished, taking out the processed product. The feeding and discharging process of the product can be realized through a preset manipulator.
The product bearing mechanism 5 is arranged on the force control mechanism 4, can detect the force applied to the product in the grinding and polishing process, and controls the force control mechanism 4 to carry out rapid adjustment according to the detected result, so that real-time compensation is realized, the condition that the product is damaged or fails to meet the design requirement due to too large or too small force is avoided, the yield is ensured, and the quality of the product is ensured. On the other hand, the product bearing mechanism 5 of the utility model can adjust the position through three shafts, and the polishing box 72 can adjust the position through two shafts, so that the polishing position and the polishing angle can be flexibly adjusted, and the omnibearing polishing of the product can be realized.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, e.g., as meaning permanently attached, removably attached, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While the utility model has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the scope of the included claims.
Claims (10)
1. A five-axis force-controlled polishing machine, comprising:
a machine platform;
the Y-axis moving mechanism is arranged on the machine table;
the X-axis moving mechanism is arranged on the Y-axis moving mechanism;
the force control mechanisms are arranged on the X-axis moving mechanism and used for placing products;
the product bearing mechanism is arranged on the force control mechanism;
a Z-axis moving mechanism arranged on the machine platform;
the polishing mechanism is arranged on the Z-axis moving mechanism;
the X-axis moving mechanism is provided with a substrate, the force control mechanism comprises a force control seat movably connected to the substrate, a force sensor arranged on the force control seat, and a moving assembly arranged on the substrate and used for driving the force control seat to move along the Y-axis direction, and the product bearing mechanism is connected with the force sensor.
2. The five-axis force control polishing machine according to claim 1, wherein the moving assembly comprises a force control screw rod arranged on the base plate, a force control motor for driving the force control screw rod to rotate, the force control seat is connected with the force control screw rod, and the axial direction of the force control screw rod is arranged along the Y-axis direction.
3. The five-axis force-controlled polishing machine of claim 1, wherein the product carrier mechanism comprises a divider disposed on the force sensor, a pneumatic slip ring coupled to the divider, an adapter shaft coupled to the pneumatic slip ring, and a carrier drive for driving the divider.
4. The five-axis force control polishing machine according to claim 1, wherein the polishing mechanism comprises a fixed frame connected with the Z-axis moving mechanism, a polishing box with two ends rotatably connected with the fixed frame, a plurality of first polishing motors arranged inside the polishing box, and polishing heads connected with output ends of the first polishing motors, and second polishing motors arranged on the fixed frame and used for driving the polishing box to rotate, wherein the number of the polishing motors is greater than or equal to that of the product bearing mechanisms.
5. The five-axis force-controlled polishing machine of claim 4, wherein the output shaft of the first polishing motor is perpendicular to the rotation axis of the polishing box, and the output shafts of adjacent first polishing motors are perpendicular to each other.
6. The five-axis force-controlled polishing machine according to claim 4, wherein a speed reducer is connected between the second polishing motor and the polishing box.
7. The five-axis force-controlled polisher of claim 4 where the first polishing motor is a double-ended output motor.
8. The five-axis force control polishing machine according to claim 1, wherein the Y-axis moving mechanism comprises a Y-axis guide rail set arranged on the machine table, a Y-axis moving base connected with the Y-axis guide rail set, and a Y-axis electric lead screw connected with the Y-axis moving base; the X-axis moving mechanism comprises an X-axis guide rail group arranged on the Y-axis moving seat, an X-axis moving seat connected with the X-axis guide rail group, and an X-axis electric lead screw connected with the X-axis moving seat; the Z-axis moving mechanism comprises a Z-axis support frame arranged on the machine table, a Z-axis guide rail set vertically arranged on the Z-axis support frame, a Z-axis moving seat connected with the Z-axis guide rail set, and a Z-axis electric lead screw connected with the Z-axis moving seat.
9. The five-axis force control polishing machine according to claim 4, wherein connecting assemblies are arranged at two ends of the polishing box, and the polishing box is rotatably connected with the fixing frame through the connecting assemblies; coupling assembling including set up in the swivelling joint head of polishing case tip set up in connection pad on the mount, and be used for connecting the bearing of swivelling joint head and connection pad.
10. The five-axis force control polishing machine of claim 1, further comprising a circulation system disposed on one side of the machine table, a lower bonnet disposed on the machine table, an outer bonnet disposed on the lower bonnet, and an industrial control module disposed on the outer bonnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121102374.6U CN215825079U (en) | 2021-05-21 | 2021-05-21 | Five-axis force control polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121102374.6U CN215825079U (en) | 2021-05-21 | 2021-05-21 | Five-axis force control polishing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215825079U true CN215825079U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121102374.6U Active CN215825079U (en) | 2021-05-21 | 2021-05-21 | Five-axis force control polishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215825079U (en) |
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2021
- 2021-05-21 CN CN202121102374.6U patent/CN215825079U/en active Active
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