CN209812007U - Magnetic needle magnetic grinding device for workpieces with complex shapes - Google Patents
Magnetic needle magnetic grinding device for workpieces with complex shapes Download PDFInfo
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- CN209812007U CN209812007U CN201920328256.3U CN201920328256U CN209812007U CN 209812007 U CN209812007 U CN 209812007U CN 201920328256 U CN201920328256 U CN 201920328256U CN 209812007 U CN209812007 U CN 209812007U
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- bench drill
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Abstract
The utility model relates to a magnetic needle magnetic grinding device for workpieces with complex shapes, which comprises a bench drill, a workpiece clamping mechanism and a magnetic needle magnetic grinding mechanism; the bottom of the working shaft of the bench drill is connected with a workpiece clamping mechanism, and a magnetic needle magnetic grinding mechanism is fixed on a base of the bench drill; the workpiece clamping mechanism comprises a chuck, a connecting rod, a rubber sleeve, a fastening bolt, a clamping bolt and a door-shaped support frame; the chuck is fixedly connected with the bottom end of the bench drill working shaft, the top of the connecting rod is fixed with the bench drill working shaft through the chuck, the bottom of the connecting rod is fixed with a square frame, the top of the portal support frame is connected with the square frame through a fastening bolt and a fastening nut, the two sides of the portal support frame are in threaded connection with clamping bolts, and the clamping bolts clamp fixed workpieces. The advantages are that: the workpiece clamping mechanism and the magnetic needle magnetic grinding mechanism rotate simultaneously, so that the grinding speed is increased.
Description
Technical Field
The utility model belongs to magnetic needle magnetic grinding field especially relates to a magnetic needle magnetic grinding device to complicated shape work piece.
Background
With the continuous refinement of the manufacturing process, parts with complex shapes and tiny precision parts are continuously produced and applied to practice, including some applications in special fields such as aviation, aerospace, navigation and the like. The machining texture can be remained on the surface of a workpiece after parts with complex shapes are machined, edge burrs can be generated on edges and hole edges, and when the machining texture is applied to special fields, the performance of the machining texture can be affected slightly. Although conventional methods such as rasping and sanding can remove the texture and burr, they are labor intensive, time and labor consuming, inefficient and only suitable for single piece, low volume production. There are methods such as abrasive flow, extrusion honing and magnetic grinding. The grinding material flows the processing of method, needs to make corresponding mould according to the work piece shape, and some thick wall class parts can only be processed in extrusion honing, and magnetic grinding method machining efficiency is not high, and processing is inhomogeneous moreover. In contrast, in machining parts of complicated shapes and minute precision parts, the magnetic needle magnetic grinding method is superior to other machining methods. However, there are some problems, such as uneven grinding of complex-shaped parts, easy collision with the cylinder wall to damage the original shape with increasing rotation speed during grinding, and low efficiency. Therefore, a method and apparatus are needed to address these problems.
Disclosure of Invention
For overcoming the deficiencies of the prior art, the utility model aims at providing a magnetic needle magnetic force grinder to complicated shape work piece, under the prerequisite that does not damage complicated shape work piece, realize improving machining efficiency to the even grinding of complicated shape work piece.
In order to achieve the above object, the utility model discloses a following technical scheme realizes:
a magnetic needle magnetic grinding device for workpieces with complex shapes comprises a bench drill, a workpiece clamping mechanism and a magnetic needle magnetic grinding mechanism; the bottom of the working shaft of the bench drill is connected with a workpiece clamping mechanism, and a magnetic needle magnetic grinding mechanism is fixed on a base of the bench drill;
the workpiece clamping mechanism comprises a chuck, a connecting rod, a rubber sleeve, a fastening bolt, a clamping bolt and a door-shaped supporting frame; the clamping head is fixedly connected with the bottom end of the bench drill working shaft, the top of the connecting rod is fixed with the bench drill working shaft through the clamping head, the bottom of the connecting rod is fixed with the square frame, the top of the portal-shaped support frame is connected with the square frame through the fastening bolt and the fastening nut, the two sides of the portal-shaped support frame are in threaded connection with the clamping bolts, the bottoms of the clamping bolts are fixed with rubber sleeves, and the clamping bolts clamp and fix workpieces through the rubber sleeves;
the magnetic needle magnetic grinding mechanism comprises a box body, a magnetic pole disc motor, a motor support frame, a magnetic pole disc, a magnetic pole, an insulating support plate, a non-magnetic-conductive container barrel and a rubber fixing ring, wherein the box body is fixed on a base of the bench drill, the insulating support plate is fixed at the top of the box body, the magnetic pole disc motor is fixed at the bottom of the box body through the motor support frame, an output shaft of the magnetic pole disc motor is connected with the magnetic pole disc, the magnetic pole disc motor drives the magnetic pole disc to rotate, and the magnetic pole is fixed on the magnetic pole disc; the rubber fixing ring is fixed on the insulating support plate, and the non-magnetic conductive container barrel is arranged on the insulating support plate and is fixed by the rubber fixing ring; the non-magnetic container barrel is filled with magnetic needles.
The magnetic pole is a cylindrical magnetic pole with a cross-shaped slot at the top.
The magnetic poles on the magnetic pole plate are arranged in a mode that the N pole faces upwards and the S pole faces downwards.
The handle connecting beam is fixedly connected with the handle connecting rod and the connecting cylinder at two ends respectively, the top end of the handle connecting rod is connected with the chuck, the connecting cylinder is spliced with the connecting rod, and the connecting rod is fixed in the connecting cylinder through the connecting rod fastening nut connected with the side face of the connecting cylinder.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a work piece fixture and cooperation magnetic needle magnetic force grinding mechanism can evenly grind the work piece that the shape is complicated, and work piece fixture, magnetic needle magnetic force grinding mechanism are rotatory simultaneously, have improved the grinding rotational speed, and the work piece can not take place the condition that collides with the bucket wall, damages its original shape, ensures to grind the quality. The workpiece with small mass cannot be separated from the machining area under the action of the rotational flow, so that the machining efficiency is improved; the square frame and the door-shaped support frame are fixed and movable relatively, so that the number of times of collision between the workpiece and the magnetic needle is increased, the grinding effect is enhanced, and the grinding efficiency is improved. The arrangement and the arrangement of the magnetic poles increase the magnetic field gradient and the magnetic field intensity, and the processing efficiency is further improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a right side view of the present invention.
Fig. 4 is a left side view of the present invention.
FIG. 5 is a schematic structural view of a magnetic needle magnetic grinding mechanism.
Fig. 6 is a schematic structural view of the work holding mechanism.
Fig. 7 is a front view of the workpiece holding mechanism.
Fig. 8 is a schematic view of the structure of the auxiliary turning handle.
Fig. 9 is a perspective view of the magnetic pole.
Fig. 10 is a schematic view of the arrangement of the magnetic poles on the pole disk.
In the figure: 1-working shaft 2-chuck 3-workpiece clamping mechanism 4-non-magnetic conductive container barrel 5-rubber fixed ring 6-box 7-base 8-total time setting button 9-positive and negative rotation time setting button 10-indicator light 11-switch 12-rotating speed adjusting button 13-start button 14-emergency stop button 15-working shaft up-down adjusting handle 16-rotating speed adjusting handle 17-position fixing nut 18-working shaft position fixing rod 19-driving motor 20-check ring 21-upright post 22-driving motor start button 23-driving motor emergency stop button 24-magnetic pole 25-magnetic pole disc 26-motor support frame 27-magnetic pole disc motor 28-square frame 29-connecting rod 30-fastening nut 31 The fastening bolt 32, the portal-shaped support frame 33, the workpiece 34, the rubber sleeve I35, the clamping bolt I36, the rubber sleeve II 37, the clamping bolt II 38, the handle connecting rod 39, the handle connecting beam 40, the connecting cylinder 41 and the connecting rod fastening nut.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings, but it should be noted that the present invention is not limited to the following embodiments.
Referring to fig. 1-7, a magnetic needle magnetic grinding device for workpieces with complex shapes comprises a bench drill, a workpiece clamping mechanism 3 and a magnetic needle magnetic grinding mechanism; the bottom of the bench drill working shaft 1 is connected with a workpiece clamping mechanism 3, and a magnetic needle magnetic grinding mechanism is fixed on a base 7 of the bench drill; the bench drill can adopt a conventional electric bench drill, and the original drill bit is taken down and the workpiece clamping mechanism 3 is installed when the bench drill is used. The bench drill is provided with a working shaft up-and-down adjusting handle 15, a rotating speed adjusting handle 16, a position fixing nut 17, a working shaft position fixing rod 18, a driving motor 19, a check ring 20, an upright post 21, a driving motor start button 22, a driving motor emergency stop button 23 and a base 7, wherein the top of the upright post 21 is connected with the driving motor 19, the bottom of the upright post is fixedly connected with the base 7, the check ring 20 is fixed on the upright post 21, the driving motor start button 22 and the driving motor emergency stop button 23 are used for starting and temporarily closing the motor, the position fixing nut 17 and the working shaft position fixing rod 18 are used for limiting the position of the working shaft 1, and the driving motor 19 drives the working shaft 1 and drives the. Pressing a driving motor starting button 22 to start the driving motor 19, enabling the working shaft 1 to rotate under the driving of the driving motor 19, pressing a driving motor emergency stop button 23 when the working shaft stops, adjusting a rotating speed adjusting handle 16, and adjusting the rotating speed of the driving motor 19, thereby adjusting the rotating speed of the working shaft 1. The working shaft 1 can be extended and contracted up and down by adjusting the working shaft up and down adjusting handle 15, and the position of the working shaft is fixed by a position fixing nut 17 on a working shaft position fixing rod 18.
Referring to fig. 1, 6 and 7, the workpiece clamping mechanism 3 comprises a clamping head 2, a connecting rod 29, a rubber sleeve, a fastening bolt 31, a clamping bolt and a door-shaped support frame 32; the chuck 2 is fixedly connected with the bottom end of the bench drill working shaft 1, the top of the connecting rod 29 is fixed with the bench drill working shaft 1 through the chuck 2, the bottom of the connecting rod is fixed with the square frame 28, the top of the portal-shaped support frame 32 is connected with the square frame 28 through the fastening bolt 31 and the fastening nut 30, the two sides of the portal-shaped support frame 32 are in threaded connection with the clamping bolts, the bottom of the clamping bolts is fixed with the rubber sleeve, the clamping bolts clamp and fix the workpiece 33 through the rubber sleeve, and the rubber sleeve can prevent the workpiece 33 from being; the chuck 2 may be a chuck 2 provided with a bench drill. The square frame 28 and the connecting rod 29 may be a unitary structure. Referring to fig. 7, the right side wall of the portal support frame 32 is in threaded connection with a first clamping bolt 35, the bottom end of the first clamping bolt 35 is connected with a first rubber sleeve 34, the left side wall of the portal support frame 32 is in threaded connection with a second clamping bolt 37, and the bottom end of the second clamping bolt 37 is connected with a second rubber sleeve 36.
Referring to fig. 1-5, the magnetic needle magnetic grinding mechanism comprises a box body 6, a magnetic pole disc motor 27, a motor support frame 26, a magnetic pole disc 25, a magnetic pole 24, an insulating support plate, a non-magnetic container barrel 4 and a rubber fixing ring 5, wherein the box body 6 is fixed on a base 7 of a bench drill, the insulating support plate is fixed at the top of the box body 6, the magnetic pole disc motor 27 is fixed at the bottom of the box body 6 through the motor support frame 26, an output shaft of the magnetic pole disc motor 27 is connected with the magnetic pole disc 25, the magnetic pole disc motor 27 drives the magnetic pole disc 25 to rotate, and the magnetic pole 24 is fixed on the magnetic pole; the rubber fixing ring 5 is fixed on the insulating support plate, and the non-magnetic conductive container barrel 4 is arranged on the insulating support plate and is fixed by the rubber fixing ring 5; the non-magnetic container barrel 4 is filled with magnetic needles. The magnetic induction lines of the magnetic poles 24 can penetrate the insulating support plate to form a closed magnetic loop inside the non-magnetic container tub 4. The magnetic pole disk motor 27 drives the magnetic pole disk 25 to rotate, and the magnetic needles in the non-magnetic container barrel 4 rotate along with the magnetic pole disk 25 under the action of magnetic field force generated by the magnetic poles 24 on the magnetic pole disk 25. The box body 6 is provided with a total time setting button 8, a forward and reverse rotation time setting button 9, an indicator light 10, a switch 11, a rotating speed adjusting button 12, a starting button 13 and an emergency stop button 14.
Referring to fig. 9 and 10, the magnetic poles 24 are cylindrical magnetic poles 24 which are all slotted in a cross shape at the top, the magnetizing directions of the cylindrical magnetic poles 24 are all axially magnetized in the non-slotted part, and the cylindrical magnetic poles 24 generate a step-shaped magnetic field intensity in the non-magnetic conduction container barrel 4, and the magnetic field intensity is enhanced.
Referring to fig. 10, the magnetic poles 24 on the magnetic pole disk 25 are arranged in a manner that the N poles are upward and the S poles are downward, so that magnetic field lines formed by the magnetic poles 24 on the magnetic pole disk 25 are upward relative to half of the N poles and are higher than magnetic field lines formed by the magnetic poles arranged downward half of the N poles through mutual repulsion between the same poles of the magnetic poles.
Referring to fig. 8, the magnetic needle magnetic grinding device for workpieces with complex shapes further comprises an auxiliary rotating handle, the auxiliary rotating handle comprises a handle connecting rod 38, a handle connecting beam 39, a connecting cylinder 40 and a connecting rod fastening nut 41, two ends of the handle connecting beam 39 are respectively fixedly connected with the handle connecting rod 38 and the connecting cylinder 40, the top end of the handle connecting rod 38 is connected with the chuck 2, the connecting cylinder 40 is inserted into the connecting rod 29, and the connecting rod 29 is fixed in the connecting cylinder 40 through the connecting rod fastening nut 41 connected with the side face of the connecting cylinder 40.
Referring to fig. 1-10, a magnetic needle magnetic grinding method for a complex-shaped workpiece 33 includes the following steps:
1) clamping and fixing a workpiece 33 on a door-shaped supporting frame 32 through a clamping bolt and a rubber sleeve, filling a mixed solution of a magnetic needle, grinding fluid and water in a non-magnetic-conductive container barrel 4, driving a magnetic pole disc 25 to rotate by a magnetic pole disc motor 27, rotating the magnetic needle in the non-magnetic-conductive container barrel 4 along with the magnetic pole disc 25 under the action of a magnetic field force generated by a magnetic pole 24 on the magnetic pole disc 25, adjusting a bench drill to enable the workpiece 33 to descend into the non-magnetic-conductive container barrel 4 and drive the workpiece 33 to rotate; the magnetic induction lines of the magnetic poles 24 on the magnetic pole disc 25 penetrate through the insulating support plate to form a closed magnetic loop in the non-magnetic conduction container barrel 4, the magnetic pole disc motor 27 rotates to drive the magnetic pole disc 25 to rotate, a rotating magnetic field is formed in the non-magnetic conduction container barrel 4, and the magnetic needles rotate along with the magnetic pole disc 25 under the action of the magnetic field force;
2) the workpiece clamping mechanism 3 is directly and fixedly connected on the bench drill working shaft 1 through a connecting rod 29 thereof to grind a workpiece 33, and in the grinding process, when a fastening bolt 31 and a fastening nut 30 are in an unthreading state, the workpiece 33 freely rotates under the action of collision force generated by the mixed solution rotational flow in the non-magnetic container barrel 4 and the magnetic needle colliding with the workpiece; when the fastening bolt 31 and the fastening nut 30 are in a tightened state, the workpiece 33 is rotated by the working shaft 1 of the bench drill. The workpiece 33 is in the non-magnetic container barrel 4, and is continuously collided, scratched and rolled by the rotating magnetic needle, burrs of the edge and the hole edge of the workpiece 33 are removed, and the surface protrusion of the workpiece 33 is continuously cut.
3) The workpiece clamping mechanism 3 is indirectly and fixedly connected on the bench drill working shaft 1 through an auxiliary rotating handle to grind the workpiece 33, and in the grinding process, the workpiece clamping mechanism 3 clamps the workpiece 33 to do revolution motion around the center of the non-magnetic conductive container barrel 4. The revolving motion of the work holding mechanism 3 may be the same as or opposite to the rotation direction of the magnetic pole disk 25, and the fastening bolt 31 and the nut 30 of the work holding mechanism are always in a tightened state. The revolution motion of the workpiece holding mechanism 3 increases the number of times of collision of the workpiece 33 with the magnetic needle, and the processing efficiency of the workpiece 33 is improved. When the revolving motion of the workpiece clamping mechanism 3 is the same as the rotating direction of the magnetic pole disk 25, the workpiece clamping mechanism 3 has a promoting effect on the rotational flow in the non-magnetic container barrel 4, so that the motion of the magnetic needle is more violent. When the revolving motion of the work holding mechanism 3 is opposite to the moving direction of the magnetic pole disk 2, the collision force of the magnetic needle with the work 33 is increased, and the cutting and removing action on the surface of the work 33 is enhanced.
The implementation steps are as follows:
a16 multiplied by 30mm workpiece 33 is clamped and fastened by screwing a clamping bolt, according to actual needs, the workpiece clamping mechanism 3 is selected to be directly and fixedly connected to the bench drill working shaft 1 or indirectly and fixedly connected to the bench drill working shaft 1 through an auxiliary handle, the workpiece clamping mechanism 3 is selected to be directly and fixedly connected to the workpiece spindle 1, then the workpiece 33 is selected to freely rotate under the action of rotational flow or rotate under the action of the bench drill working shaft 1, the fastening bolt 31 is fastened, the workpiece 33 is selected to rotate under the action of a driving motor 19, and the square frame 28 and the door-shaped support frame 32 are fixedly connected.
The position of the working shaft 1 is fixed by adjusting the working shaft up and down adjusting handle 15, adjusting the workpiece 33 to a suitable processing area, and tightening the position fixing nut 17 on the working shaft position fixing rod 18.
Will be provided withThe magnetic needle and 3000ml of the grinding fluid are put into a non-magnetic container barrel 4. The switch 11 is turned on, the magnetic needle magnetic grinding device is connected with a power supply, and the indicator light 10 can observe whether the power supply is connected or not; adjusting a total time setting button 8, and setting the total grinding time for 10 min; adjusting a forward and reverse rotation time setting button 9, and setting forward and reverse rotation time for 2 min; adjusting a rotating speed adjusting knob, and setting the rotating speed to be 1000 r/min; the start button is pressed to start grinding.
Pressing a driving motor starting button 22, starting a driving motor 19, adjusting a rotating speed adjusting handle 16, setting the rotating speed of the workpiece 33 to be 60r/min, pressing a driving motor emergency stop button 23 when the processing time is up, stopping the rotation of the workpiece 33, and finishing the grinding.
Claims (4)
1. A magnetic needle magnetic grinding device for workpieces with complex shapes is characterized by comprising a bench drill, a workpiece clamping mechanism and a magnetic needle magnetic grinding mechanism; the bottom of the working shaft of the bench drill is connected with a workpiece clamping mechanism, and a magnetic needle magnetic grinding mechanism is fixed on a base of the bench drill;
the workpiece clamping mechanism comprises a chuck, a connecting rod, a rubber sleeve, a fastening bolt, a clamping bolt and a door-shaped supporting frame; the clamping head is fixedly connected with the bottom end of the bench drill working shaft, the top of the connecting rod is fixed with the bench drill working shaft through the clamping head, the bottom of the connecting rod is fixed with the square frame, the top of the portal-shaped support frame is connected with the square frame through the fastening bolt and the fastening nut, the two sides of the portal-shaped support frame are in threaded connection with the clamping bolts, the bottoms of the clamping bolts are fixed with rubber sleeves, and the clamping bolts clamp and fix workpieces through the rubber sleeves;
the magnetic needle magnetic grinding mechanism comprises a box body, a magnetic pole disc motor, a motor support frame, a magnetic pole disc, a magnetic pole, an insulating support plate, a non-magnetic-conductive container barrel and a rubber fixing ring, wherein the box body is fixed on a base of the bench drill, the insulating support plate is fixed at the top of the box body, the magnetic pole disc motor is fixed at the bottom of the box body through the motor support frame, an output shaft of the magnetic pole disc motor is connected with the magnetic pole disc, the magnetic pole disc motor drives the magnetic pole disc to rotate, and the magnetic pole is fixed on the magnetic pole disc; the rubber fixing ring is fixed on the insulating support plate, and the non-magnetic conductive container barrel is arranged on the insulating support plate and is fixed by the rubber fixing ring; the non-magnetic container barrel is filled with magnetic needles.
2. The magnetic grinding device for the magnetic needle of a complex-shaped workpiece as claimed in claim 1, wherein the magnetic poles are cylindrical magnetic poles with a cross-shaped slot at the top.
3. The magnetic grinding device for the magnetic needle of a complex-shaped workpiece of claim 1, wherein the magnetic poles on the magnetic pole disk are arranged in a way that the N pole faces upwards and the S pole faces downwards.
4. The magnetic needle magnetic grinding device for workpieces with complex shapes according to claim 1, characterized by further comprising an auxiliary rotating handle, wherein the auxiliary rotating handle comprises a handle connecting rod, a handle connecting beam, a connecting cylinder and a connecting rod fastening nut, two ends of the handle connecting beam are respectively and fixedly connected with the handle connecting rod and the connecting cylinder, the top end of the handle connecting rod is connected with the chuck, the connecting cylinder is inserted into the connecting rod, and the connecting rod is fixed in the connecting cylinder through the connecting rod fastening nut connected with the side surface of the connecting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328256.3U CN209812007U (en) | 2019-03-15 | 2019-03-15 | Magnetic needle magnetic grinding device for workpieces with complex shapes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328256.3U CN209812007U (en) | 2019-03-15 | 2019-03-15 | Magnetic needle magnetic grinding device for workpieces with complex shapes |
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| Publication Number | Publication Date |
|---|---|
| CN209812007U true CN209812007U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920328256.3U Expired - Fee Related CN209812007U (en) | 2019-03-15 | 2019-03-15 | Magnetic needle magnetic grinding device for workpieces with complex shapes |
Country Status (1)
| Country | Link |
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| CN (1) | CN209812007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000688A (en) * | 2019-03-15 | 2019-07-12 | 辽宁科技大学 | A kind of needle magnetic grinding method and device of pair of complex-shaped workpieces |
-
2019
- 2019-03-15 CN CN201920328256.3U patent/CN209812007U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000688A (en) * | 2019-03-15 | 2019-07-12 | 辽宁科技大学 | A kind of needle magnetic grinding method and device of pair of complex-shaped workpieces |
| CN110000688B (en) * | 2019-03-15 | 2023-08-08 | 辽宁科技大学 | Magnetic needle magnetic grinding method and device for complex-shape workpiece |
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| Date | Code | Title | Description |
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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 |