CN220446162U - Super-fine grinder - Google Patents
Super-fine grinder Download PDFInfo
- Publication number
- CN220446162U CN220446162U CN202321983083.1U CN202321983083U CN220446162U CN 220446162 U CN220446162 U CN 220446162U CN 202321983083 U CN202321983083 U CN 202321983083U CN 220446162 U CN220446162 U CN 220446162U
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- 238000000227 grinding Methods 0.000 claims abstract description 56
- 230000007306 turnover Effects 0.000 claims abstract description 25
- 238000007514 turning Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 238000005498 polishing Methods 0.000 description 7
- 238000003754 machining Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses an ultra-fine grinding machine, which comprises a machine table and further comprises: the device comprises an annular conveying device, a grabbing device, a rotary positioning device, a grinding device and a turnover device. The annular conveying device is used for conveying the workpieces; the grabbing device is connected with the machine table and can grab the workpiece; the rotary positioning device is connected with the machine table, can fix the workpiece and drive the workpiece to rotate; the grinding device is connected with the rotary positioning device and can grind the workpiece; the turnover device is connected with the rotary positioning device and can turn over the workpiece. The utility model integrates the inner wall grinding and the inner wall end surface grinding, can realize the grinding of the inner wall and the inner wall end surface of the workpiece, and has small whole occupied volume; the workpiece circulation time is saved, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of superfine grinding, in particular to a superfine grinding machine.
Background
Ultra-precision machining is a machining process in which materials are micro-cut by utilizing relative motion with strict constraint generated between parts and cutters on ultra-precision machine tool equipment to obtain extremely high shape precision and surface finish. The precision of the method is from micron to submicron or even nanometer, the application range of the method is gradually wide, the method is widely applied to the high technical field, the military industry and the civil industry, and particularly the electric automation field, such as very large scale integrated circuits, high-precision magnetic discs, precision radars, missile fire control systems, precision machine tools, precision instruments, video recorder magnetic heads, duplicator magnetic drums, gas cooker rotary valves and the like, and ultra-precision machining technologies are adopted.
At present, when the inner hole of a workpiece (such as an automobile adapter shaft) is machined and ground, the inner wall and the inner wall end face of the workpiece are required to be machined twice due to the particularity of the workpiece, at present, two independent devices are used for machining respectively, the occupied space of the two devices is large, the circulation time of the workpiece is required, and the machining efficiency is low.
Disclosure of Invention
According to an embodiment of the present utility model, there is provided an ultra-fine grinding machine, including a machine table, further including:
the annular conveying device is used for conveying the workpiece;
the grabbing device is connected with the machine table and can grab the workpiece;
the rotary positioning device is connected with the machine table, can fix a workpiece and drives the workpiece to rotate;
the grinding device is connected with the rotary positioning device and can grind the workpiece;
the turnover device is connected with the rotary positioning device and can turn over the workpiece.
Further, the endless conveying apparatus includes: the device comprises a conveyor, a plurality of placing trays and a first positioning mechanism;
the plurality of placing discs are annularly placed on the conveyor, the conveyor drives the plurality of placing discs to do annular movement, and the placing discs are used for placing workpieces;
the first positioning mechanism is connected with the conveyor and can fixedly hold the tray.
Further, the first positioning mechanism includes: a pair of first positioning cylinders, a pair of first positioning rods, a second positioning cylinder and a second positioning rod;
the pair of first positioning cylinders and the pair of first positioning rods correspond to each other one by one and can drive the corresponding first positioning rods to reciprocate;
the second positioning cylinder is arranged between the pair of first positioning cylinders, and the output end of the second positioning cylinder is connected with the second positioning rod and can drive the second positioning rod to reciprocate.
Further, the gripping device includes: the device comprises a first transverse driving module, a first longitudinal driving module, a first rotating module, a first fixing plate and a pair of first grabbing modules;
the first transverse driving module is connected with the first longitudinal driving module and can drive the first longitudinal driving module to transversely reciprocate;
the first longitudinal driving module is connected with the first rotating module and can drive the first rotating module to reciprocate longitudinally;
the output end of the first rotating module is connected with the first fixed plate and can drive the first fixed plate to rotate;
the first grabbing modules are arranged at two ends of the first fixing plate and used for grabbing workpieces.
Further, the rotational positioning device includes: the device comprises a second positioning mechanism, a rotary table and a rotary driving mechanism;
the second positioning mechanism is arranged on the rotary table and used for fixing a workpiece;
the output end of the rotary driving mechanism is connected with the rotary table and can drive the rotary table to rotate.
Further, the polishing apparatus includes: the device comprises a second transverse driving module, a second longitudinal driving module, a first grinding module and a second grinding module;
the second transverse driving module is connected with the second longitudinal driving module and can drive the second longitudinal driving module to transversely reciprocate;
the second longitudinal driving module is connected with the first grinding module and can drive the first grinding module to longitudinally reciprocate;
the second grinding module is connected with the first grinding module.
Further, the turning device includes: the lifting device comprises a turnover mechanism, a clamping mechanism and a jacking mechanism;
the clamping mechanism is used for clamping the workpiece;
the output end of the turnover mechanism is connected with the clamping mechanism and can drive the clamping mechanism to turn over;
the jacking mechanism is connected with the turnover mechanism and can drive the turnover mechanism to move up and down.
Further, the clamping mechanism adopts a clamping cylinder.
Further, the tilting mechanism includes: the overturning device comprises an overturning driving mechanism, a gear rack assembly and an overturning frame;
the gear of the gear rack assembly is respectively connected with the clamping mechanism and the roll-over stand, the gear can rotate in the roll-over stand, and the rack is connected with the output end of the roll-over driving mechanism;
the overturning driving mechanism can drive the rack to reciprocate;
the roll-over stand is connected with the jacking mechanism.
Further, the jacking mechanism includes: a jacking cylinder and a pair of guide rods;
the pair of guide rods are connected with the roll-over stand in a sliding manner;
the output end of the jacking cylinder is connected with the roll-over stand and can drive the roll-over stand to reciprocate along a pair of guide rods.
According to the super-fine grinding machine, the inner wall grinding and the inner wall end face grinding are integrated, so that the inner wall and the inner wall end face of a workpiece can be ground, and the whole occupied volume is small; the workpiece circulation time is saved, and the production efficiency is improved.
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 technology claimed.
Drawings
FIG. 1 is a perspective view of an embodiment in accordance with the present utility model;
FIG. 2 is a perspective view of the endless conveyor;
FIG. 3 is a top view of the endless conveyor;
FIG. 4 is an enlarged view of FIG. 3 in the direction A;
FIG. 5 is a partial perspective view of an embodiment according to the present utility model;
FIG. 6 is an enlarged view of FIG. 5 in the direction A;
FIG. 7 is a schematic diagram of a first polishing module;
FIG. 8 is a schematic diagram of a second polishing module;
FIG. 9 is a schematic view of a gripping device;
FIG. 10 is a schematic view of a flipping unit;
FIG. 11 is a top view of the flipping unit;
FIG. 12 is a schematic view of a rotational positioning device;
fig. 13 is a schematic view of a workpiece.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, which further illustrate the present utility model.
Firstly, an ultra-fine grinding machine according to an embodiment of the present utility model will be described with reference to fig. 1 to 13, and is used in the technical field of ultra-fine grinding, and its application field is wide.
As shown in fig. 1 to 13, the superfinishing machine according to the embodiments of the present utility model includes a machine table 1, and further includes:
an endless conveying device 2, the endless conveying device 2 being for conveying the work 7;
the grabbing device 3 is connected with the machine table 1 and can grab the workpiece 7;
the rotary positioning device 4 is connected with the machine table 1, can fix the workpiece 7 and drives the workpiece 7 to rotate;
the grinding device 5 is connected with the rotary positioning device 4, and can grind the workpiece 7;
the turnover device 6, the turnover device 6 and the rotary positioning device 4 are connected, so that the workpiece 7 can be turned over, and the automation degree of the workpiece grinding equipment is improved.
Further, as shown in fig. 1 to 4, in the present embodiment, the endless conveying device 2 includes: a conveyor 21, a plurality of placement trays 22 and a first positioning mechanism 23;
the plurality of placing discs 22 are placed on the conveyor 21 in a ring shape, the conveyor 21 drives the plurality of placing discs 22 to do ring-shaped movement, and the placing discs 22 are used for placing the workpieces 7 so that the workpieces 7 move along with the placing discs 22;
the first positioning mechanism 23 is connected to the conveyor 21, and can fix the placement tray 22, and when the placement tray 22 reaches a specified position, the first positioning mechanism 23 fixes the placement tray 22, and the gripping device 3 grips the workpiece 7 on the placement tray 22.
Further, as shown in fig. 1 to 4, in the present embodiment, the first positioning mechanism 23 includes: a pair of first positioning cylinders 231, a pair of first positioning rods 232, a second positioning cylinder 233, and a second positioning rod 234;
the pair of first positioning cylinders 231 and the pair of first positioning rods 232 are in one-to-one correspondence, and can drive the corresponding first positioning rods 232 to reciprocate;
the second positioning cylinder 233 is disposed between the pair of first positioning cylinders 231, and an output end of the second positioning cylinder 233 is connected to the second positioning rod 234 to drive the second positioning rod 234 to reciprocate; the second positioning rod 234 is provided with a V-shaped groove so as to be matched with the outer contour of the workpiece 7.
A pair of first positioning cylinders 231 drive corresponding first positioning rods 232 to clamp the two sides of the placement tray 22; the second positioning cylinder 233 drives the second positioning rod 234 to fix the placement tray 22 in cooperation with the pair of first positioning rods 232.
Further, as shown in fig. 1 and 9, in the present embodiment, the grasping apparatus 3 includes: a first transverse driving module 31, a first longitudinal driving module 32, a first rotation module 33, a first fixing plate 34, and a pair of first grasping modules 35;
the first transverse driving module 31 is connected with the first longitudinal driving module 32 and can drive the first longitudinal driving module 32 to transversely reciprocate;
the first longitudinal driving module 32 is connected with the first rotating module 33 and can drive the first rotating module 33 to reciprocate longitudinally;
the output end of the first rotating module 33 is connected with the first fixed plate 34 and can drive the first fixed plate 34 to rotate;
a pair of first gripping modules are provided at both ends of the first fixing plate 34 for gripping the workpiece 7.
Further, as shown in fig. 1 and 9, in the present embodiment, the first gripping module 35 is a three-jaw chuck, and the workpiece 7 is gripped by using the three-jaw chuck.
Further, as shown in fig. 1 and 12, in the present embodiment, the rotational positioning device 4 includes: a second positioning mechanism 41, a rotary table 42, and a rotation driving mechanism 43;
the second positioning mechanism 41 is provided on the rotary table 42 for fixing the workpiece 7;
the output end of the rotation driving mechanism 43 is connected to the rotary table 42, and can drive the rotary table 42 to rotate.
Further, as shown in fig. 1 and 12, in the present embodiment, the second positioning mechanism 41 adopts a tensioning mechanism, which belongs to the prior art.
Further, as shown in fig. 1, 5 to 8, in the present embodiment, the polishing apparatus 5 includes: a second transverse driving module 51, a second longitudinal driving module 52, a first grinding module 53 and a second grinding module 54;
the second transverse driving module 51 is connected with the second longitudinal driving module 52 and can drive the second longitudinal driving module 52 to transversely reciprocate;
the second longitudinal driving module 52 is connected with the first grinding module 53 and can drive the first grinding module 53 to longitudinally reciprocate; the first grinding module 53 is used for grinding the inner wall of the workpiece 7;
the second grinding module 54 is connected to the first grinding module 53 and is used for grinding the inner wall end surface of the workpiece 7.
The first grinding module 53 and the second grinding module 54 are in the prior art, the first grinding module 53 and the second grinding module 54 are combined in the same equipment, and the inner wall grinding and the inner wall end face grinding are integrated together, so that the inner wall and the inner wall end face of a workpiece can be ground in the same equipment, and the whole occupied volume is small; the workpiece circulation time is saved, and the production efficiency is improved.
Further, as shown in fig. 1 and 10, in the present embodiment, the flipping device 6 includes: a turnover mechanism 61, a clamping mechanism 62 and a jacking mechanism 63;
the clamping mechanism 62 is used for clamping the workpiece 7;
the output end of the turnover mechanism 61 is connected with the clamping mechanism 62, and can drive the clamping mechanism 62 to turn over;
the lifting mechanism 63 is connected to the tilting mechanism 61, and drives the tilting mechanism 61 to move up and down.
After the upper end inner wall and the inner wall end face of the workpiece 7 are polished, the clamping mechanism 62 clamps the workpiece 7, and the second positioning mechanism 41 releases the workpiece 7; the lifting mechanism 63 lifts upwards to enable the workpiece 7 to move upwards for a certain distance; the turnover mechanism 61 drives the clamping mechanism 62 to turn over 180 degrees so as to turn over the workpiece 7; the lifting mechanism 63 moves downwards to enable the workpiece 7 to descend, the clamping mechanism 62 loosens the workpiece 7, and grinding of the inner wall of the lower end and the end face of the inner wall of the workpiece 7 is continued.
Further, as shown in fig. 1 and 10, in the present embodiment, the clamping mechanism 62 employs a clamping cylinder.
Further, as shown in fig. 1 and 10, in the present embodiment, the tilting mechanism 61 includes: a roll-over drive mechanism 611, a rack and pinion assembly 612, and a roll-over stand 613;
the gear of the gear rack assembly 612 is respectively connected with the clamping mechanism 62 and the roll-over stand 613, the gear can rotate in the roll-over stand 613, and the rack is connected with the output end of the roll-over driving mechanism 611;
the overturning driving mechanism 611 can drive the rack to reciprocate;
the roll-over stand 613 is connected to the jacking mechanism 63.
Further, as shown in fig. 1 and 10, in the present embodiment, the jacking mechanism 63 includes: a jacking cylinder 631 and a pair of guide rods 632;
a pair of guide rods 632 slidably connected to the roll-over stand 613;
the output end of the jacking cylinder 631 is connected to the roll-over stand 613, and the roll-over stand 613 is driven to reciprocate along a pair of guide rods 632.
Further, the workpiece 7 shown in fig. 13 is merely exemplary and not intended to be a particular workpiece.
Working principle:
the work pieces 7 are placed on the placing trays 22 one by one, the work pieces 7 are conveyed to the first positioning mechanism 23 by the conveyor 21, and the placing trays 22 are fixed by the first positioning mechanism 23; the first transverse driving module 31 and the first longitudinal driving module 32 drive the first grabbing module 35 to grab the workpiece 7 and convey the workpiece 7 to the upper part of the rotary positioning device 4, the first rotary module 33 drives the first fixing plate 34 to rotate 90 degrees, one workpiece 7 is located right above the second positioning mechanism 41, the first longitudinal driving module 32 drives the workpiece 7 to move downwards, the workpiece 7 is sleeved at the output end of the second positioning mechanism 41, and the first grabbing module 35 releases the workpiece 7 and then retreats. The second positioning mechanism 41 works to fix the workpiece 7 by a tensioning motion; the second transverse driving module 51 and the second longitudinal driving module 52 respectively drive the first grinding module 53 or the second grinding module 54 to the position to be ground; then, the rotary driving mechanism 43 drives the workpiece 7 to rotate, and simultaneously the first grinding module 53 starts to grind the inner wall of the workpiece 7, and the first grinding module 53 retreats after the completion; then, the second polishing module 54 starts polishing the inner wall end surface of the workpiece 7, and after completion, the second polishing module 54 is retracted, and the rotation driving mechanism 43 is stopped. Then, the second positioning mechanism 41 is released, the turning device 6 turns the workpiece 7 180 ° and then returns to the position to be processed, and the grinding operation is repeated. After the workpiece 7 is ground, the grabbing device 3 takes out the workpiece 7 and places another workpiece 7 to be processed; then, the gripping device 3 returns the workpiece 7 after finishing grinding to the annular conveying device 2, and the workpiece is taken away by a worker or a manipulator; and then continuing the next round of processing flow.
In the above, the superfinishing machine according to the embodiment of the present utility model has been described with reference to fig. 1 to 13, and the inner wall grinding and the inner wall end surface grinding are integrated together, so that the inner wall and the inner wall end surface of the workpiece can be ground, and the overall occupied volume is small; the workpiece circulation time is saved, and the production efficiency is improved.
It should be noted that in this 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 phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
While the present utility model has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the utility model. Many modifications and substitutions of the present utility model will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.
Claims (10)
1. An ultra-fine grinding machine comprising a machine table, characterized by further comprising:
the annular conveying device is used for conveying the workpieces;
the grabbing device is connected with the machine table and can grab the workpiece;
the rotary positioning device is connected with the machine table, can fix the workpiece and drives the workpiece to rotate;
the grinding device is connected with the rotary positioning device and can grind the workpiece;
and the turnover device is connected with the rotary positioning device and can turn over the workpiece.
2. The superfinishing mill of claim 1, wherein the annular conveying device comprises: the device comprises a conveyor, a plurality of placing trays and a first positioning mechanism;
the plurality of placing discs are annularly placed on the conveyor, the conveyor drives the plurality of placing discs to do annular movement, and the placing discs are used for placing the workpieces;
the first positioning mechanism is connected with the conveyor and can fix the placing tray.
3. The superfinishing machine of claim 2, wherein the first positioning mechanism comprises: a pair of first positioning cylinders, a pair of first positioning rods, a second positioning cylinder and a second positioning rod;
the pair of first positioning cylinders are in one-to-one correspondence with the pair of first positioning rods and can drive the corresponding first positioning rods to reciprocate;
the second positioning cylinder is arranged between the pair of first positioning cylinders, and the output end of the second positioning cylinder is connected with the second positioning rod and can drive the second positioning rod to reciprocate.
4. The superfinishing mill of claim 1, wherein the gripping device comprises: the device comprises a first transverse driving module, a first longitudinal driving module, a first rotating module, a first fixing plate and a pair of first grabbing modules;
the first transverse driving module is connected with the first longitudinal driving module and can drive the first longitudinal driving module to transversely reciprocate;
the first longitudinal driving module is connected with the first rotating module and can drive the first rotating module to reciprocate longitudinally;
the output end of the first rotating module is connected with the first fixed plate and can drive the first fixed plate to rotate;
the pair of first grabbing modules are arranged at two ends of the first fixing plate and used for grabbing the workpiece.
5. The superfinishing mill of claim 1, wherein the rotational positioning device comprises: the device comprises a second positioning mechanism, a rotary table and a rotary driving mechanism;
the second positioning mechanism is arranged on the rotary table and used for fixing the workpiece;
the output end of the rotary driving mechanism is connected with the rotary table and can drive the rotary table to rotate.
6. The superfinishing mill of claim 1, wherein the milling apparatus comprises: the device comprises a second transverse driving module, a second longitudinal driving module, a first grinding module and a second grinding module;
the second transverse driving module is connected with the second longitudinal driving module and can drive the second longitudinal driving module to transversely reciprocate;
the second longitudinal driving module is connected with the first grinding module and can drive the first grinding module to longitudinally reciprocate;
the second grinding module is connected with the first grinding module.
7. The superfinishing mill of claim 1, wherein the turning device comprises: the lifting device comprises a turnover mechanism, a clamping mechanism and a jacking mechanism;
the clamping mechanism is used for clamping the workpiece;
the output end of the turnover mechanism is connected with the clamping mechanism and can drive the clamping mechanism to turn over;
the jacking mechanism is connected with the turnover mechanism and can drive the turnover mechanism to move up and down.
8. The ultra-fine grinding mill of claim 7, wherein the clamping mechanism employs a clamping cylinder.
9. The superfinishing machine of claim 7, wherein the turning mechanism comprises: the overturning device comprises an overturning driving mechanism, a gear rack assembly and an overturning frame;
the gear of the gear-rack assembly is respectively connected with the clamping mechanism and the roll-over stand, the gear can rotate in the roll-over stand, and the rack is connected with the output end of the roll-over driving mechanism;
the overturning driving mechanism can drive the rack to reciprocate;
the roll-over stand is connected with the jacking mechanism.
10. The superfinishing mill of claim 9, wherein the jacking mechanism comprises: a jacking cylinder and a pair of guide rods;
the pair of guide rods are connected with the roll-over stand in a sliding manner;
the output end of the jacking cylinder is connected with the roll-over stand and can drive the roll-over stand to reciprocate along the pair of guide rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321983083.1U CN220446162U (en) | 2023-07-26 | 2023-07-26 | Super-fine grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321983083.1U CN220446162U (en) | 2023-07-26 | 2023-07-26 | Super-fine grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220446162U true CN220446162U (en) | 2024-02-06 |
Family
ID=89732223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321983083.1U Active CN220446162U (en) | 2023-07-26 | 2023-07-26 | Super-fine grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220446162U (en) |
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2023
- 2023-07-26 CN CN202321983083.1U patent/CN220446162U/en active Active
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