CN209811885U - Magnetic particle grinding device for finishing inner surface of deep groove key groove - Google Patents
Magnetic particle grinding device for finishing inner surface of deep groove key groove Download PDFInfo
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- CN209811885U CN209811885U CN201920328261.4U CN201920328261U CN209811885U CN 209811885 U CN209811885 U CN 209811885U CN 201920328261 U CN201920328261 U CN 201920328261U CN 209811885 U CN209811885 U CN 209811885U
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- slide rail
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Abstract
The utility model relates to a magnetic particle grinding device for polishing the inner surface of a deep groove key groove, which comprises a cross slide rail workbench and a grinding mechanism, wherein the cross slide rail workbench is horizontally arranged, and a workpiece is fixed on the cross slide rail workbench and can move along the horizontal X-axis and Y-axis directions; at least one grinding mechanism is arranged above the cross slide rail workbench, and the positions of the grinding mechanisms in the vertical Z-axis direction and the horizontal X-axis direction can be adjusted; the grinding mechanism consists of a grinding motor, a collet and a cylindrical magnetic pole, wherein an output shaft of the grinding motor vertically extends downwards, and the cylindrical magnetic pole is fixedly connected with the output shaft of the grinding motor through the collet and can rotate along with the output shaft. The utility model discloses can realize the finishing processing of the internal surface in deeper groove and both ends closed groove, its simple structure, convenient operation, the controllability is strong, and the machining precision is high to can avoid the grit to splash or destroy the condition emergence of shape precision.
Description
Technical Field
The utility model relates to a magnetic particle grinds technical field, especially relates to a magnetic particle grinder of finishing processing zanjon keyway internal surface.
Background
With the continuous development of the manufacturing industry, the requirements on the machining precision of key grooves and grooves on parts are also continuously improved. Particularly in the field of aerospace, the processing precision of key grooves and grooves of complex components can influence the service performance of the complex components to a great extent, and further influence the development of aerospace technology.
The prior effective method for precisely processing the inner surface of the tank comprises the following steps: magnetic grinding and abrasive flow methods, and the like. The magnetic grinding method is characterized in that the rotating disc magnetic pole or the rotating ring magnetic pole drives the grinding materials to process the inner surface of the groove, the grinding materials are easy to splash under the action of centrifugal force in the processing process, and deep grooves and deep key grooves are difficult to process. The abrasive flow method is used for processing the inner surface of the groove, a corresponding die needs to be manufactured according to the shape of the workpiece and the size of the groove, the operation is complex, and the economical efficiency is poor.
Chinese patent publication No. CN 103111918A discloses "a method for finishing grooves and narrow slits on a workpiece", which can process a circular groove, a bearing inner ring surface, a precision spline groove surface, a fine bolt and nut thread surface on the inner surface of a hydraulic cylinder. The groove and the narrow slit are processed by the method, so that good surface quality can be obtained, but only a few shallow grooves can be processed, and the method is not suitable for processing the inner surface of the deep groove key groove.
Chinese patent publication No. CN 202910706U discloses a "narrow groove inner surface polishing apparatus" capable of polishing groove parts such as inner circular grooves, inner square grooves, and outer key grooves, but when the apparatus is used for key groove processing, it is difficult to ensure shape accuracy at both ends of the key groove, and it is also difficult to process a deep key groove.
Disclosure of Invention
The utility model provides a magnetic particle grinder of finishing processing zanjon keyway internal surface can realize the finishing processing of the internal surface in than deep groove and both ends closed groove, its simple structure, convenient operation, and the controllability is strong, and the machining precision is high to can avoid the grit to splash or destroy the condition emergence of shape precision.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a magnetic particle grinding device for finishing the inner surface of a deep groove key groove comprises a cross slide rail workbench and a grinding mechanism, wherein the cross slide rail workbench is horizontally arranged, and a workpiece is fixed on the cross slide rail workbench and can move along the horizontal X-axis and Y-axis directions; at least one grinding mechanism is arranged above the cross slide rail workbench, and the positions of the grinding mechanisms in the vertical Z-axis direction and the horizontal X-axis direction can be adjusted; the grinding mechanism consists of a grinding motor, a collet and a cylindrical magnetic pole, wherein an output shaft of the grinding motor vertically extends downwards, and the cylindrical magnetic pole is fixedly connected with the output shaft of the grinding motor through the collet and can rotate along with the output shaft.
A magnetic particle grinding device for finishing the inner surface of a deep groove key groove further comprises a bottom plate, an upright post and a horizontal supporting arm, wherein a cross slide rail workbench and the upright post are respectively arranged on the bottom plate, and one end of the horizontal supporting arm is slidably arranged on the upright post and can be locked and fixed through a hand wheel locking mechanism; the spout is established to the overhanging end of horizontal support arm, grinds the motor and is connected with horizontal support arm through grinding the motor cabinet, grinds the motor cabinet and can follow spout slide adjusting position to it is fixed through the bolt locking.
The cross slide rail working table consists of a lower slide rail mechanism and an upper slide rail mechanism, wherein the lower slide rail mechanism comprises a screw motor, a lower slide screw, a lower sliding seat, a lower sliding table and a lower slide rail; the upper sliding rail mechanism consists of a manual adjusting wheel, an upper sliding screw, an upper sliding seat, an upper sliding table and an upper sliding rail, wherein the upper sliding seat is fixed on the lower sliding table, the upper sliding screw is arranged in the upper sliding seat, the upper sliding rails are respectively arranged on two sides of the upper sliding screw, the manual adjusting wheel is arranged at one end of the upper sliding seat, and the manual adjusting wheel drives the upper sliding screw to rotate and drives the upper sliding table to move along the upper sliding rails; the workpiece is fixed on the upper sliding table through a wedge-shaped fixing block.
The lower part of the cylindrical magnetic pole is uniformly provided with 4 axial elongated slots along the circumferential direction, and the cylindrical magnetic pole is magnetized in the radial direction from the middle parts of the axial elongated slots.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model can avoid the problems that the existing grooves are easy to splash with abrasive particles when the circular magnetic poles and the disc magnetic poles are adopted for processing the grooves, or the shape precision of the key grooves with two closed ends is easy to damage when the key grooves are processed; is particularly suitable for grinding the inner surface of a deeper groove;
2) the grinding mechanism is simple in structure and convenient to operate, the number of the grinding mechanisms can be selected, and a plurality of grooves with different intervals, different widths and different depths on a workpiece can be simultaneously machined by adjusting the positions of the grinding mechanisms on the horizontal supporting arms and selecting cylindrical magnetic poles with different lengths and different diameters;
3) the cylindrical magnetic pole is magnetized along the radial direction, and is provided with a plurality of axial long grooves, compared with the cylindrical magnetic pole which is not grooved and is magnetized along the radial direction, the magnetic field gradient of the cylindrical magnetic pole is more, and the rolling and updating of the grinding materials are more facilitated; meanwhile, more grinding materials and grinding liquid can be stored in the groove, and grinding processing is facilitated.
Drawings
Fig. 1 is a schematic perspective view of a magnetic particle grinder for finishing the inner surface of a deep groove key groove according to the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic perspective view of the cylindrical magnetic pole of the present invention.
Fig. 5 is a magnetic induction line distribution around a cylindrical magnetic pole not having an axially elongated slot.
Fig. 6 is a magnetic induction line distribution diagram around the cylindrical magnetic pole with the axial slots.
In the figure: 1. hand wheel locking mechanism 2, upright post 3, lower sliding table 4, upper sliding table 5, bottom plate 6, lower sliding lead screw 7, lead screw motor base 8, lead screw motor 9, horizontal supporting arm 10, grinding motor 11, grinding motor base 12, cylindrical magnetic pole 13, workpiece 14, wedge-shaped fixing block 15, manual adjusting wheel 16, collet chuck 17, sliding groove 18 and upper sliding lead screw
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1-3, the magnetic particle grinding device for polishing the inner surface of the deep groove key groove of the present invention comprises a cross slide rail worktable and a grinding mechanism, wherein the cross slide rail worktable is horizontally arranged, and a workpiece 13 is fixed on the cross slide rail worktable and can move along the horizontal X-axis and Y-axis directions; at least one grinding mechanism is arranged above the cross slide rail workbench, and the positions of the grinding mechanisms in the vertical Z-axis direction and the horizontal X-axis direction can be adjusted; the grinding mechanism consists of a grinding motor 10, a collet 16 and a cylindrical magnetic pole 12, wherein an output shaft of the grinding motor 10 vertically extends downwards, and the cylindrical magnetic pole 12 is fixedly connected with the output shaft of the grinding motor 10 through the collet 16 and can rotate along with the output shaft.
A magnetic particle grinding device for finishing the inner surface of a deep groove key groove further comprises a bottom plate 5, an upright post 2 and a horizontal supporting arm 9, wherein a cross-shaped sliding rail workbench and the upright post 2 are respectively arranged on the bottom plate 5, one end of the horizontal supporting arm 9 is slidably arranged on the upright post 2 and can be locked and fixed through a hand wheel locking mechanism 1; the spout 17 is established to the overhanging end of horizontal support arm 9, and grinding motor 10 is connected with horizontal support arm 9 through grinding motor cabinet 11, and grinding motor cabinet 11 can follow spout 17 slide adjusting position to it is fixed through the bolt locking.
The cross slide rail working table consists of a lower slide rail mechanism and an upper slide rail mechanism, wherein the lower slide rail mechanism comprises a screw motor 8, a lower slide screw 6, a lower slide seat, a lower slide rail 3 and a lower slide rail, the lower slide seat is fixed on the bottom plate 5, the lower slide screw 6 is arranged in the lower slide seat, the lower slide rails are arranged on two sides of the lower slide screw 6, the screw motor 8 is arranged at one end of the lower slide seat, and the screw motor 8 drives the lower slide screw 6 to rotate and drives the lower slide rail 3 to move along the lower slide rail; the upper sliding rail mechanism consists of a manual adjusting wheel 15, an upper sliding screw 18, an upper sliding seat, an upper sliding table 4 and an upper sliding rail, the upper sliding seat is fixed on the lower sliding table 3, the upper sliding screw 18 is arranged in the upper sliding seat, the upper sliding rails are respectively arranged on two sides of the upper sliding screw 18, the manual adjusting wheel 15 is arranged at one end of the upper sliding seat, and the manual adjusting wheel 15 drives the upper sliding screw 18 to rotate and drives the upper sliding table 4 to move along the upper sliding rail; the workpiece 13 is fixed on the upper sliding table 4 by a wedge-shaped fixing block 14.
As shown in fig. 4, the lower portion of the cylindrical magnetic pole 12 is uniformly provided with 4 axial long grooves along the circumferential direction, and the cylindrical magnetic pole 12 is magnetized in the radial direction from the middle of the axial long grooves.
Based on the magnetic particle grinding method of finishing processing zanjon keyway internal surface of device as follows:
(1) assuming that a lower sliding seat in the cross-shaped sliding rail workbench is arranged along the X-axis direction, an upper sliding seat and a horizontal supporting arm 9 are both arranged along the Y-axis direction, and the upright post 2 is arranged along the Z-axis direction; selecting the number of grinding mechanisms according to the number and the spacing of the grooves to be processed, and mounting the grinding mechanisms on the horizontal supporting arms 9;
(2) the center of each cylindrical magnetic pole 12 in the grinding mechanism is aligned with the central line of the corresponding groove to be processed on the workpiece 13 by adjusting the position of the grinding motor base 11 on the horizontal supporting arm 9 or the position of the upper sliding table 4, and the upper sliding table 4 is locked and fixed after the alignment;
(3) the horizontal supporting arms 9 slide downwards along the upright posts 2, and each cylindrical magnetic pole 12 is lowered into a corresponding groove to be processed on the workpiece 13, so that the gaps between the cylindrical magnetic pole 12 and the side surface and the bottom surface of the groove to be processed are all 1-2 mm;
(4) mixing and stirring magnetic abrasive particles with the average particle size of 200-300 mu m and aqueous grinding fluid uniformly, and adding the mixture into a gap between a tank to be processed and the cylindrical magnetic pole 12; the magnetic abrasive particles are arranged along the direction of the magnetic induction line under the action of the magnetic field of the magnetic pole and are contacted with the side surface and the bottom surface of the groove to be processed of the workpiece;
(5) starting the grinding motors 10 in each grinding mechanism, wherein the rotating speed is 300-500 r/min; the grinding motor 10 drives the cylindrical magnetic pole 12 adsorbed with the magnetic abrasive particles to rotate, and the bottom surface and the side surface of the groove to be processed are subjected to continuous friction cutting;
(6) starting a lead screw motor 8 to enable a lower sliding lead screw 6 to rotate, driving an upper sliding rail mechanism and a workpiece 13 to reciprocate along the X-axis direction at the speed of 3-5 mm/s through a lower sliding table 3, and finishing the groove to be machined through magnetic particle grinding;
(7) and after finishing, turning off the lead screw motor 8 and the grinding motor 10, moving the horizontal supporting arm 9 upwards along the upright post 2, so that the cylindrical magnetic pole 12 is separated from the machined groove upwards, and machining the next group of grooves or taking down the workpiece 13 after the machining process is finished.
The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.
[ examples ] A method for producing a compound
The embodiment is a magnetic particle grinding device of finishing processing deep groove keyway internal surface, columniform stand 2 is fixed in on the bottom plate 1, horizontal support arm 9 passes through hand wheel locking mechanism 1 to be fixed on stand 2, horizontal support arm 9 is the cantilever beam structure, its stiff end passes through sleeve and stand 2 sliding connection, overhanging end is equipped with 2 horizontally spouts 17 one on the other, 2 grinding mechanism are established on horizontal support arm 9, the bolt passes spout 17 and grinds motor cabinet 11 and will grind mechanism locking and fix. After the hand wheel locking mechanism 1 is loosened, the horizontal supporting arm 9 can slide up and down along the upright post 2, the grinding mechanism can horizontally move along the sliding groove 17 by loosening the bolt for fixing the grinding motor base 11, the positions of the 2 grinding mechanisms on the horizontal supporting arm 9 are adjusted, and 2 grooves in different positions on the workpiece 13 can be simultaneously ground.
The grinding mechanism is composed of a grinding motor 10, a collet 16 and a cylindrical magnetic pole 12, and a mixture of magnetic abrasive grains and grinding fluid is filled between the cylindrical magnetic pole 12 and the groove during processing. The cylindrical magnetic pole 12 is mounted on the output shaft of the grinding motor 10 by a collet 16, and the magnetic abrasive grains adsorbed on the cylindrical magnetic pole 12 are in contact with the side and bottom surfaces of the groove to be processed. When the output shaft of the grinding motor 10 rotates, the cylindrical magnetic pole 12 adsorbing the magnetic grinding materials is driven to rotate, the workpiece 13 makes linear reciprocating motion along the length direction of the groove to be processed, the side surface and the bottom surface of the groove to be processed are continuously rubbed and cut through the magnetic grinding materials, and the inner surface of the groove is polished.
The cross slide rail working table is fixed on the bottom plate 1 and consists of an upper slide rail mechanism and a lower slide rail mechanism, and the mechanism is mature in the prior art; in this embodiment, the arrangement direction of the upper sliding table 4 is parallel to the direction of the horizontal supporting arm 9, and the arrangement direction of the lower sliding table 3 is perpendicular to the upper sliding table 4; a screw motor 8 is fixed at one end of the lower sliding seat through a screw motor base 7, and the lower sliding seat 3 drives a lower sliding screw 6 to rotate through the screw motor 8, so that continuous automatic feeding in grinding processing is realized; the upper sliding table 4 is driven by a manual adjusting wheel 15 to rotate an upper sliding screw 18, and is used for finely adjusting the position between the groove to be processed on the workpiece 13 and the cylindrical magnetic pole 12.
The grinding mechanism can determine the number of installations according to the actual requirements of the process and adjust its position on the horizontal support arm 9 according to the actual requirements of the process.
The cylindrical magnetic pole 12 is magnetized along the radial direction, and 4 axial long grooves are uniformly formed along the circumferential direction, as shown in fig. 5 and 6, compared with the cylindrical magnetic pole which is not grooved and is magnetized along the radial direction, the magnetic field gradient of the cylindrical magnetic pole provided with the axial long grooves is more, and the rolling update of the abrasive is more facilitated; meanwhile, more grinding materials and grinding liquid can be stored in the groove, and the grinding processing is facilitated.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A magnetic particle grinding device for finishing the inner surface of a deep groove key groove is characterized by comprising a cross-shaped sliding rail working table and a grinding mechanism, wherein the cross-shaped sliding rail working table is horizontally arranged, and a workpiece is fixed on the cross-shaped sliding rail working table and can move along the horizontal X-axis and Y-axis directions; at least one grinding mechanism is arranged above the cross slide rail workbench, and the positions of the grinding mechanisms in the vertical Z-axis direction and the horizontal X-axis direction can be adjusted; the grinding mechanism consists of a grinding motor, a collet and a cylindrical magnetic pole, wherein an output shaft of the grinding motor vertically extends downwards, and the cylindrical magnetic pole is fixedly connected with the output shaft of the grinding motor through the collet and can rotate along with the output shaft.
2. The magnetic particle grinding device for polishing the inner surface of the deep groove key groove according to claim 1, further comprising a bottom plate, a vertical column and a horizontal support arm, wherein the cross slide rail workbench and the vertical column are respectively arranged on the bottom plate, and one end of the horizontal support arm is slidably arranged on the vertical column and can be locked and fixed by a hand wheel locking mechanism; the spout is established to the overhanging end of horizontal support arm, grinds the motor and is connected with horizontal support arm through grinding the motor cabinet, grinds the motor cabinet and can follow spout slide adjusting position to it is fixed through the bolt locking.
3. The magnetic particle grinding device for polishing the inner surface of the deep groove key groove according to claim 1, wherein the cross-shaped slide rail working table consists of a lower slide rail mechanism and an upper slide rail mechanism, wherein the lower slide rail mechanism comprises a screw motor, a lower slide screw, a lower slide seat, a lower sliding table and a lower slide rail, the lower slide seat is fixed on the bottom plate, the lower slide seat is internally provided with the lower slide screw, the lower slide rails are arranged on two sides of the lower slide screw, one end of the lower slide seat is provided with a screw motor, and the screw motor drives the lower slide screw to rotate and drives the lower slide table to move along the lower slide rail; the upper sliding rail mechanism consists of a manual adjusting wheel, an upper sliding screw, an upper sliding seat, an upper sliding table and an upper sliding rail, wherein the upper sliding seat is fixed on the lower sliding table, the upper sliding screw is arranged in the upper sliding seat, the upper sliding rails are respectively arranged on two sides of the upper sliding screw, the manual adjusting wheel is arranged at one end of the upper sliding seat, and the manual adjusting wheel drives the upper sliding screw to rotate and drives the upper sliding table to move along the upper sliding rails; the workpiece is fixed on the upper sliding table through a wedge-shaped fixing block.
4. The apparatus as claimed in claim 1, wherein the lower portion of the cylindrical magnetic pole is uniformly provided with 4 axial slots along the circumferential direction, and the cylindrical magnetic pole is magnetized radially from the middle of the axial slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328261.4U CN209811885U (en) | 2019-03-15 | 2019-03-15 | Magnetic particle grinding device for finishing inner surface of deep groove key groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328261.4U CN209811885U (en) | 2019-03-15 | 2019-03-15 | Magnetic particle grinding device for finishing inner surface of deep groove key groove |
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| Publication Number | Publication Date |
|---|---|
| CN209811885U true CN209811885U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920328261.4U Expired - Fee Related CN209811885U (en) | 2019-03-15 | 2019-03-15 | Magnetic particle grinding device for finishing inner surface of deep groove key groove |
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| CN (1) | CN209811885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000620A (en) * | 2019-03-15 | 2019-07-12 | 辽宁科技大学 | A kind of magnetic abrasive finishing device and method of skin processing zanjon keyway inner surface |
-
2019
- 2019-03-15 CN CN201920328261.4U patent/CN209811885U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000620A (en) * | 2019-03-15 | 2019-07-12 | 辽宁科技大学 | A kind of magnetic abrasive finishing device and method of skin processing zanjon keyway inner surface |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20210315 |