CN218746998U - Concentric arranged grinding head and super-precision grinding machine - Google Patents
Concentric arranged grinding head and super-precision grinding machine Download PDFInfo
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- CN218746998U CN218746998U CN202222980111.6U CN202222980111U CN218746998U CN 218746998 U CN218746998 U CN 218746998U CN 202222980111 U CN202222980111 U CN 202222980111U CN 218746998 U CN218746998 U CN 218746998U
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Abstract
The utility model discloses a concentric arrangement formula grinding head, super fine grinding machine, one of them concentric arrangement formula grinding head contains: the oilstone frame is at least fixedly provided with two oilstones; the output end of the feeding module is connected with the oilstone frame and used for driving the oilstone frame to perform feeding movement; and the output end of the grinding module is connected with the feeding module and is used for driving the feeding module to rotate or linearly move and indirectly driving the oilstone frame to rotate or linearly move. The utility model discloses possess following beneficial effect: 1. the grinding head can grind straight lines (namely planes or inclined planes) and arc lines simultaneously, meets various production requirements, does not need to switch the grinding head for many times, is multipurpose at one end, and improves the production and processing efficiency and speed. 2. The high integrated design, occupation space is small. 3. The automatic switching of the oilstone can be realized, and the grinding precision is ensured.
Description
Technical Field
The utility model relates to a super finish grinding technical field, in particular to formula grinding head, super finish grinding machine are arranged with one heart.
Background
The grinding head of the existing superfine grinding machine can drive oilstone to vibrate at high frequency or rotate at high frequency, so that the oilstone can grind a workpiece in a single straight line or grind an arc line, and the workpiece can be superfinished in the straight line or the arc line. Therefore, the existing grinding head can only realize the superfinishing of a single straight line or an arc line on a workpiece, cannot realize the superfinishing of the straight line and the arc line simultaneously, and therefore when the superfinishing of the straight line and the arc line on the workpiece is switched, the grinding head needs to be frequently replaced, the processing time is wasted, and the processing efficiency is reduced. A concentrically arranged grinding head is provided for this purpose.
SUMMERY OF THE UTILITY MODEL
According to the embodiment of the utility model provides a concentric arrangement formula grinding head contains:
the oilstone frame is at least fixedly provided with two oilstones;
the output end of the feeding module is connected with the oilstone frame and used for driving the oilstone frame to perform feeding movement;
and the output end of the grinding module is connected with the feeding module and is used for driving the feeding module to rotate or linearly move and indirectly driving the oilstone frame to rotate or linearly move.
Further, the feeding module comprises:
the top of the piston shell is connected with the output end of the grinding module;
the pair of piston cavities are respectively arranged on two sides of the interior of the piston shell;
the two ends of the piston rod are respectively arranged in the pair of piston cavities;
the movable shell is connected with the middle part of the piston rod, and the bottom of the movable shell is connected with the oilstone rack;
and the pair of air inlets are respectively arranged at two sides of the outer part of the piston shell and are respectively connected with the pair of piston cavities.
Further, the feeding module further comprises: and a pair of first cross ball guides disposed between the moving housing and the piston housing for guiding the movement of the moving housing.
Further, the grinding module comprises:
a housing;
the main shaft is rotatably connected inside the shell, and the top and the bottom of the main shaft penetrate through the shell;
the first driving mechanism is connected with the main shaft and the shell and used for driving the main shaft to rotate;
the eccentric shaft is rotatably connected inside the main shaft, the top and the bottom of the eccentric shaft penetrate through the main shaft, and the bottom end of the eccentric shaft is provided with an eccentric groove;
the second driving mechanism is connected with the eccentric shaft and the shell and is used for driving the eccentric shaft to rotate;
and the transmission mechanism is connected with the bottom end of the main shaft, the eccentric groove and the feeding module and is used for transmitting power.
Further, the transmission mechanism includes:
the top end of the connecting shaft is connected with the eccentric groove;
the eccentric block is rotatably connected to the bottom end of the connecting shaft;
the top of the swinging seat is provided with a cross groove used for placing an eccentric block, and the swinging seat is connected with the feeding module;
the pair of second crossed ball guide rails are respectively arranged between one side opposite to the cross groove and the eccentric block;
the transmission frame is arranged at the bottom end of the main shaft;
and the pair of third crossed ball guide rails are respectively arranged between the two sides of the swinging seat and the transmission frame and are perpendicular to the second crossed ball guide rails.
Further, the first drive mechanism includes:
the worm wheel is sleeved at the top of the main shaft;
the adjusting box is arranged at the top of the shell and covers the worm wheel;
the two ends of the worm are rotationally connected with the inner walls of the two sides of the adjusting box, and the worm is meshed with the worm wheel;
the output end of the first motor is connected with one end of the worm, and the first motor is connected with the adjusting box.
Further, the worm is meshed with the worm wheel without a gap.
Further, the second driving mechanism includes:
the second motor is connected with the shell;
and the input end of the first belt transmission mechanism is connected with the output end of the second motor, and the output end of the first belt transmission mechanism is connected with the top end of the eccentric shaft.
Further, the grinding module further comprises: the eccentric sleeve is rotatably connected inside the main shaft, an eccentric cavity is formed inside the eccentric sleeve and connected with the eccentric shaft, and the eccentric shaft is connected with the output end of the second driving mechanism through the eccentric sleeve.
According to another embodiment of the present invention, there is provided a super-finishing grinder, comprising: the vertical lathe and the concentrically-arranged polishing head of the previous embodiment are connected with a tool rest of the vertical lathe.
According to the utility model discloses concentric arrangement formula grinding head possesses following beneficial effect:
1. the grinding head can grind straight lines (namely planes or inclined planes) and arc lines simultaneously, meets various production requirements, does not need to switch the grinding head for many times, is multipurpose at one end, and improves the production and processing efficiency and speed.
2. The high integration design, occupation space is small.
3. The automatic switching of the oilstone can be realized, and the grinding precision is ensured.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology.
Drawings
Fig. 1 is a schematic diagram of a first internal cross-sectional structure of a concentrically-arranged polishing head according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a second internal cross-sectional structure of a concentrically arranged polishing head according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a first three-dimensional structure of a concentrically-arranged polishing head according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a second perspective structure of the concentrically-arranged polishing head according to the embodiment of the present invention.
Fig. 5 is a schematic top view of a concentric polishing head according to an embodiment of the present invention.
Fig. 6 is a schematic view of a radial cross-section structure of an eccentric shaft of a concentric arrangement type grinding head according to an embodiment of the present invention.
Fig. 7 is a schematic view of a radial cross-section structure of an eccentric sleeve and an eccentric shaft of a concentric polishing head according to an embodiment of the present invention.
Fig. 8 is a schematic axial cross-sectional structure diagram of the eccentric sleeve and the eccentric shaft of the concentric polishing head according to the embodiment of the present invention.
Fig. 9 is a schematic perspective view of a transmission mechanism of the concentric arrangement type polishing head according to an embodiment of the present invention.
Fig. 10 is a schematic top view of a transmission mechanism of a concentric arrangement type polishing head according to an embodiment of the present invention.
Fig. 11 is a schematic perspective view of a super-finishing grinder according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and the present invention will be further explained.
First, a concentric arrangement type polishing head according to an embodiment of the present invention will be described with reference to fig. 1 to 10, which is used for polishing a workpiece in a straight line or an arc line, and the application range is wide.
As shown in fig. 1 to 10, the concentrically arranged polishing head according to the embodiment of the present invention includes a whetstone holder 1, a feeding module, and a polishing module.
Specifically, as shown in fig. 1 to 4, in this embodiment, at least two oilstones 11 are fixed on the oilstone frame 1, different numbers of oilstones 11 can be installed as required, and the fineness degrees of the oilstones 11 are different, so as to achieve grinding with different precisions, and the oilstone frame 1 is only required to be controlled to rotate by a corresponding angle according to the number of the oilstones 11, so as to achieve replacement of the oilstones 11 with different precisions.
Specifically, as shown in 1 to 4 and 9 to 10, in the embodiment, the output end of the feeding module is connected to the oilstone frame 1 for driving the oilstone frame 1 to perform feeding motion. The feeding module comprises: a piston housing 21, a pair of piston chambers 22, a piston rod 23, a displacement housing 24, and a pair of intake ports 25. The top of the piston housing 21 is connected with the output end of the grinding module; a pair of piston cavities 22 are respectively arranged at two sides of the interior of the piston shell 21; both ends of the piston rod 23 are respectively arranged in the pair of piston cavities 22; the movable shell 24 is connected with the middle part of the piston rod 23, and the bottom of the movable shell 24 is connected with the oilstone frame 1; a pair of intake ports 25 are opened on both outer sides of the piston housing 21, respectively, and the pair of intake ports 25 are connected to the pair of piston chambers 22, respectively. The piston rod 23 can perform piston motion in the pair of piston cavities 22 by injecting gas into the pair of gas inlets 25 respectively, so that the piston rod 23 can drive the movable shell 24 to perform feed motion, and further drive the oilstone frame 1 and the oilstone 11 thereon to perform feed motion, and the oilstone frame is close to a workpiece to be processed. Through the arrangement of the feeding module, compared with the existing feeding module adopting an air cylinder, the feeding module saves more cost.
Further, as shown in fig. 2, the feeding module further includes: a pair of first cross ball guides 26, and a pair of first cross ball guides 26 disposed between the moving housing 24 and the piston housing 21 for guiding the movement of the moving housing 24 and ensuring the stability of the movement of the moving housing 24.
Further, as shown in fig. 1 to 10, an output end of the grinding module is connected to the feeding module, and is configured to drive the feeding module to rotate or move linearly, and indirectly drive the oilstone frame 1 to rotate or move linearly. The grinding module comprises: a housing 31, a main shaft 32, a first drive mechanism, an eccentric shaft 34, a second drive mechanism, and a transmission mechanism. The main shaft 32 is rotatably connected inside the shell 31 through a bearing, and the top and the bottom of the main shaft 32 penetrate through the shell 31; the first driving mechanism is connected with the main shaft 32 and the shell 31 and is used for driving the main shaft 32 to rotate; the eccentric shaft 34 is rotatably connected inside the main shaft 32 through a bearing, the top and bottom of the eccentric shaft 34 penetrate through the main shaft 32, and the bottom end of the eccentric shaft 34 is provided with an eccentric groove 341; the second driving mechanism is connected with the eccentric shaft 34 and the shell 31 and is used for driving the eccentric shaft 34 to rotate; the transmission mechanism is connected to the bottom end of the main shaft 32, the eccentric groove 341 and the feeding module, and is configured to transmit power, and transmit the power transmitted from the first driving mechanism to the main shaft 32 to the feeding module, so that the feeding module performs rotational motion, or transmit the power transmitted from the second driving mechanism to the eccentric shaft 34 to the feeding module, so that the feeding module performs linear motion.
Further, as shown in fig. 1 to 10, the transmission mechanism includes: connecting shaft 361, eccentric mass 362, swing seat 363, a pair of second cross ball guides 364, transmission frame 365, and a pair of third cross ball guides 366. The top end of the connecting shaft 361 is connected with the eccentric groove 341, so that the connecting shaft 361 performs eccentric motion with the eccentric shaft 34 under the action of the eccentric groove 341; the eccentric block 362 is rotatably connected to the bottom end of the connecting shaft 361 through a bearing, and the eccentric block 362 moves along with the movement of the connecting shaft 361; the top of the swinging seat 363 is provided with a cross groove 3631, the cross groove 3631 is used for placing the eccentric block 362, and the swinging seat 363 is connected with the feeding module; a pair of second crossed ball guides 364 are respectively arranged between the opposite side of the cross slot 3631 and the eccentric block 362, so that the opposite side of the cross slot 3631 has no margin space, the opposite side of the cross slot 3631 has margin space, when the eccentric block 362 eccentrically moves in the cross slot 3631 along with the connecting shaft 361, the eccentric block rotates to the opposite side of the cross slot 3631, the swinging seat 363 is driven to linearly move because of no margin space, when the eccentric block 362 rotates to the opposite side of the cross slot 3631, the eccentric block 362 slides in the margin space of the cross slot 3631 under the action of the pair of second crossed ball guides 364 because of having margin space, and the swinging seat 363 does not displace; the transmission rack 365 is arranged at the bottom end of the main shaft 32 and is used for transmitting the power of the main shaft 32 to the swinging seat 363, so that the swinging seat 363 rotates; the pair of third crossed ball guide rails 366 are respectively arranged between two sides of the swinging seat 363 and the transmission frame 365, the third crossed ball guide rails 366 are perpendicular to the second crossed ball guide rails 364, the third crossed ball guide rails 366 can guide the swinging seat 363 to do linear motion, the stability of motion is guaranteed, and the rotating force transmitted by the transmission frame 365 can be transmitted to the swinging seat 363, so that the swinging seat 363 rotates.
Further, as shown in fig. 1 to 4, the first drive mechanism includes: a worm wheel 331, an adjusting box 332, a worm 333, and a first motor 334. Worm gear 331 is sleeved on the top of main shaft 32; the adjusting box 332 is disposed on the top of the housing 31, and the adjusting box 332 covers the worm wheel 331; two ends of the worm 333 are rotatably connected with the inner walls of two sides of the adjusting box 332, and the worm 333 is meshed with the worm wheel 331; an output end of the first motor 334 is connected to one end of the worm 333, and the first motor 334 is connected to the adjusting box 332. By operating the first motor 334, the worm 333 is driven to rotate, and the worm wheel 331 is driven to rotate, so that the main shaft 32 rotates.
Further, in the present embodiment, the worm 333 is engaged with the worm wheel 331 without a gap, so that the rotation distance of the spindle 32 can be controlled more accurately, the oilstone 11 can be indirectly ensured to be rotated to the position during the grinding rotation, and the grinding precision is improved.
Further, as shown in fig. 1 to 4, the second drive mechanism includes: a second motor 351 and a first belt drive 352. The second motor 351 is connected to the housing 31; the input end of the first belt transmission mechanism 352 is connected to the output end of the second motor 351, the output end of the first belt transmission mechanism 352 is connected to the top end of the eccentric shaft 34, and the eccentric shaft 34 can rotate by the motion of the second motor 351 and the power transmitted by the first belt transmission mechanism 352.
Further, as shown in fig. 1 to 2, the grinding module further includes: the eccentric sleeve 37 is rotatably connected to the inside of the main shaft 32, an eccentric cavity 371 is formed in the eccentric sleeve 37, the eccentric cavity 371 is connected with the eccentric shaft 34, the eccentric shaft 34 is connected with the output end of the second driving mechanism (namely, the output end of the first belt transmission mechanism 352) through the eccentric sleeve 37, and the eccentricity of the eccentric shaft 34 can be improved and the eccentricity can be increased through the arrangement of the eccentric sleeve 37.
As shown in fig. 5, in this embodiment, the concentrically disposed polishing head of the embodiment of the present invention may further include a second belt transmission mechanism 41 and an encoder 42, the encoder 42 is connected to the adjusting box 332, an input end of the second belt transmission mechanism 41 is connected to a top of the spindle 32, an output end of an input end of the second belt transmission mechanism 41 is connected to an input end of the encoder 42, the spindle 32 rotates, the rotational angle of the spindle 32 can be transmitted to the encoder 42 by the second belt transmission mechanism 41, and the encoder 42 can detect the rotational angle of the spindle 32.
When linear (i.e. plane or inclined plane) grinding is required, the grinding head is moved to a machining position by external moving equipment, and gas is injected into one of the gas inlets 25, so that the piston rods 23 perform piston motion in the pair of piston cavities 22, and the moving shell 24 performs forward motion, so that the oilstone 11 on the oilstone frame 1 is close to a workpiece to be machined. Then, by moving the second motor 351, the first belt transmission mechanism 352 transmits power, so that the eccentric sleeve 37 rotates to drive the eccentric shaft 34 to eccentrically rotate, and further drive the connecting shaft 361 to eccentrically move circularly, so that the eccentric block 362 eccentrically moves circularly on the swinging seat 363, when the eccentric block 362 swings to two sides of the swinging seat 363 without the second cross ball guide 364, because the cross slot 3631 has a margin space, the eccentric block 362 can reciprocate on two sides of the cross slot 3631 without the second cross ball guide 364, and when the eccentric block 362 swings to two sides of the second cross ball guide 364, because the cross slot 3631 has no margin space, the eccentric block 362 can enable the swinging seat 363 to swing back and forth on the transmission frame 365 at high frequency under the action of the pair of third cross ball guide 366, so as to simultaneously drive the piston shell 21, the moving shell 24, the oilstone frame 1 and the oilstones 11 on the oil frame to swing back and forth at high frequency, thereby realizing linear grinding of the workpiece.
When arc line grinding is needed, the grinding head is firstly moved to a machining position through external moving equipment, and gas is injected into one of the gas inlets 25, so that the piston rods 23 perform piston motion in the pair of piston cavities 22, the moving shell 24 performs forward motion, and the oilstone 11 on the oilstone frame 1 is close to a workpiece to be machined. The first motor 334 is made to rotate fast in the opposite direction, so that the worm 333 is made to rotate fast in the opposite direction, the worm wheel 331 is driven to rotate fast in the opposite direction, the main shaft 32 is made to rotate fast in the opposite direction through the transmission frame 365, and then the piston shell 21, the movable shell 24, the oilstone frame 1 and the oilstone 11 on the oilstone frame are driven to rotate fast in the opposite direction at the same time, and arc grinding of the workpiece is achieved.
When needing to be changed more meticulous oilstone 11, through letting first motor 334 rotate to suitable position, thereby let worm 333 rotate to suitable position, drive worm wheel 331 and rotate to suitable position, make main shaft 32 rotate to suitable angular position, main shaft 32 lets swing seat 363 rotate to suitable angle through driving bracket 365, and then drives piston shell 21 simultaneously, remove shell 24, oilstone 11 on oilstone frame 1 and the oil frame rotates to suitable angle, accomplish the switching of different fineness oilstones 11. For example, in the case of two oilstones 11, the switching is performed by rotating 180 °, and in the case of four oilstones 11, the oilstones 11 with different accuracies are switched by rotating 90 degrees.
The concentric arrangement type polishing head according to the embodiment of the present invention is described above with reference to fig. 1 to 10, and has the following advantages:
1. the grinding head can grind straight lines (namely planes or inclined planes) and arc lines simultaneously, meets various production requirements, does not need to switch the grinding head for many times, is multipurpose at one end, and improves the production and processing efficiency and speed.
2. The high integrated design, occupation space is small.
3. The automatic switching of the oilstone 11 can be realized, and the grinding precision is ensured.
As shown in fig. 11, according to another embodiment of the present invention, there is provided an ultra-precision grinding machine comprising a vertical lathe and the concentric arrangement type grinding head of the previous embodiment, wherein the concentric arrangement type grinding head 5 is connected to a tool post 61 of the vertical lathe 6. Through using the concentric arrangement type grinding head 5 of the previous embodiment, when the super-precision grinding machine grinds a workpiece, the grinding of straight lines and arc lines of the workpiece is realized simultaneously, various production requirements are met, the grinding head does not need to be switched for many times, one end is multipurpose, the production and processing efficiency and speed are improved, and the vertical lathe 6 is adopted to meet the processing requirement of a large-sized bearing, and the processing rotating speed is guaranteed. When the processing and use device is used, a workpiece to be processed is placed on the rotatable workbench 62 of the vertical lathe, then the tool rest 61 is controlled to move along the X axis and the Z axis through the vertical lathe 5, the concentric arrangement type grinding head 5 can be driven to move along the X axis and the Z axis, and the workpiece to be processed is adjusted to the processing position.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising 8230; \8230;" comprises 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (10)
1. A concentrically arranged polishing head, comprising:
the oil stone rack is at least fixedly provided with two oil stones;
the output end of the feeding module is connected with the oilstone frame and is used for driving the oilstone frame to perform feeding motion;
and the output end of the grinding module is connected with the feeding module and is used for driving the feeding module to rotate or linearly move and indirectly driving the oilstone frame to rotate or linearly move.
2. The concentrically arranged polishing head of claim 1, wherein the feed module comprises:
the top of the piston shell is connected with the output end of the grinding module;
the pair of piston cavities are respectively arranged on two sides of the interior of the piston shell;
the two ends of the piston rod are respectively arranged in the pair of piston cavities;
the movable shell is connected with the middle part of the piston rod, and the bottom of the movable shell is connected with the oilstone rack;
the pair of air inlets are respectively formed in two sides of the outer portion of the piston shell and are respectively connected with the pair of piston cavities.
3. The concentrically arranged grinding bit of claim 2, wherein said feed module further comprises: a pair of first cross ball guides disposed between the moving housing and the piston housing for guiding movement of the moving housing.
4. The concentrically arranged polishing head of claim 1, wherein said polishing module comprises:
a housing;
the main shaft is rotatably connected inside the shell, and the top and the bottom of the main shaft penetrate through the shell;
the first driving mechanism is connected with the main shaft and the shell and used for driving the main shaft to rotate;
the eccentric shaft is rotatably connected inside the main shaft, the top and the bottom of the eccentric shaft penetrate through the main shaft, and the bottom end of the eccentric shaft is provided with an eccentric groove;
the second driving mechanism is connected with the eccentric shaft and the shell and is used for driving the eccentric shaft to rotate;
and the transmission mechanism is connected with the bottom end of the main shaft, the eccentric groove and the feeding module and is used for transmitting power.
5. The concentrically arranged grinding bit of claim 4, wherein said drive mechanism comprises:
the top end of the connecting shaft is connected with the eccentric groove;
the eccentric block is rotatably connected to the bottom end of the connecting shaft;
the top of the swinging seat is provided with a cross groove, the cross groove is used for placing the eccentric block, and the swinging seat is connected with the feeding module;
the pair of second crossed ball guide rails are respectively arranged between one side opposite to the cross-shaped groove and the eccentric block;
the transmission frame is arranged at the bottom end of the main shaft;
and the pair of third crossed ball guide rails are respectively arranged between two sides of the swinging seat and the transmission frame, and are perpendicular to the second crossed ball guide rails.
6. The concentrically arranged grinding bit of claim 4, wherein said first drive mechanism comprises:
the worm wheel is sleeved at the top of the main shaft;
the adjusting box is arranged at the top of the shell and covers the worm wheel;
the two ends of the worm are rotationally connected with the inner walls of the two sides of the adjusting box, and the worm is meshed with the worm wheel;
the output end of the first motor is connected with one end of the worm, and the first motor is connected with the adjusting box.
7. The concentrically disposed grinding bit of claim 6, wherein said worm gear is in gapless engagement with said worm gear.
8. The concentrically arranged grinding bit of claim 4, wherein said second drive mechanism comprises:
a second motor connected to the housing;
and the input end of the first belt transmission mechanism is connected with the output end of the second motor, and the output end of the first belt transmission mechanism is connected with the top end of the eccentric shaft.
9. The concentrically arranged polishing head of claim 4, wherein said polishing module further comprises: the eccentric sleeve is rotatably connected inside the main shaft, an eccentric cavity is arranged inside the eccentric sleeve and connected with the eccentric shaft, and the eccentric shaft is connected with the output end of the second driving mechanism through the eccentric sleeve.
10. A superfinishing machine, comprising: a vertical lathe and the concentrically arranged grinding head as claimed in any one of claims 1 to 9, wherein the concentrically arranged grinding head is connected with a tool rest of the vertical lathe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222980111.6U CN218746998U (en) | 2022-11-09 | 2022-11-09 | Concentric arranged grinding head and super-precision grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222980111.6U CN218746998U (en) | 2022-11-09 | 2022-11-09 | Concentric arranged grinding head and super-precision grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218746998U true CN218746998U (en) | 2023-03-28 |
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ID=85646808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222980111.6U Active CN218746998U (en) | 2022-11-09 | 2022-11-09 | Concentric arranged grinding head and super-precision grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218746998U (en) |
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2022
- 2022-11-09 CN CN202222980111.6U patent/CN218746998U/en active Active
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