The magnet automatic cutting equipment
Technical field
The utility model relates to a kind of rare-earth magnet cutter sweep, particularly a kind of cutter sweep of thin-walled magnet.
Background technology
Boned neodymium iron boron permanent magnet is that fast quenching neodymium iron boron powder, binding resin, processing aid etc. are mixed, and utilizes certain forming method to be prepared from then.These forming methods comprise compression forming, injection mo(u)lding, extrusion molding.Compared to preceding two kinds of forming methods, extruding forming method is more special production technology.Usually the magnet that utilizes extruding forming method to produce all is strip, and perhaps the magnet of pipe shape in order to reach instructions for use, must utilize cutter sweep that strip or long magnet are cut into the length that needs.
The cutting method of using always in the production, it is the cutting method of a kind of " penetration type ", the thin-walled tubular magnet need be fixed with pressing plate, abrasive wheel cutting machine by Digit Control Machine Tool control is along the magnet radial cuts then, because the emery wheel blade is thinner, when depth of cut was big, the crusher sector-meeting produced than big bang during cutting, thereby the product size precision that cuts down that causes is relatively poor, product fraction defective height.In order to solve this technical barrier, the applicant applied for patent of invention once: the cutting equipment of tubular magnet and cutting method, application number: 200910247768.8, in this application, announce a kind of cutting equipment that can rotate the cutting tubular magnet, effectively solved a magnet cutting technique difficult problem.In the application of reality, the technical staff finds that this equipment remains in certain defective, mainly is when the cutting magnet, after finishing a cutting flow process, the workman need unclamp scroll chuck, manually feeding, this operation has reduced operating efficiency, the waste when causing the cut end material easily simultaneously.
Summary of the invention
For the cutter sweep operating efficiency that solves existing magnet is lower, the shortcoming that wastes raw material, the utility model provides a kind of magnet automatic cutting equipment, comprising:
One base;
One magnet retaining arrangement is located on the described base;
At least one axial guidance, parallel with the magnet center axis direction, be fixed on the described base;
At least one radial guidance is vertical with described axial guidance and slidably be located at described axial guidance;
One grinding wheel fixing device slidably is located at described radial guidance;
One grinding wheel is fixed in described grinding wheel fixing device;
One control device is used for the described grinding wheel fixing device of control it is moved along described axial guidance, described radial guidance, and makes grinding wheel cutting magnet for the described grinding wheel fixing device of control;
Described control device also is used for the described magnet retaining arrangement of control, and the magnet that is fixed thereon is rotated around the magnet center axis; Also be used for the described grinding wheel fixing device of control, make the grinding wheel that is fixed thereon around the rotation of grinding wheel axis, its direction of rotation is opposite with the magnet direction of rotation.
Also comprise the magnet feeding device, described control device is used for the described magnet automatic charging device of control makes it move along described axial guidance, described radial guidance.
Further improvement of the utility model is, also comprises: a supporting plate, and described grinding wheel fixing device, the magnet feeding device slidably is located at described radial guidance by this supporting plate;
Described control device makes the grinding wheel fixing device that is fixed on the supporting plate by the movement of the described supporting plate of control, and the magnet feeding device moves along described axial guidance, described radial guidance.
Further improvement of the utility model is that described magnet retaining arrangement comprises: a support, be located at described base, and it has an axial circular hole;
One clutch shaft bearing is fixedly arranged in the axial circular hole of described frame;
One locking member is sheathed on described bearing;
One resilient sleeve, magnet are sheathed on this resilient sleeve, and described locking member is locked magnet by resilient sleeve;
Described control device drives the magnet rotation by the described locking member rotation of control.
Further improvement of the utility model is that described locking member is pneumatic scroll chuck.
Further improvement of the utility model is that described resilient sleeve is an elasticity steel bushing, has an axial opening at the jacket wall of this elasticity steel bushing.
Further improvement of the utility model is that described grinding wheel fixing device comprises: a frame, have an axial circular hole, and be fixedly arranged on the described supporting plate;
At least two second bearings are sheathed on the axial circular hole of described frame;
One bistrique axle is sheathed on described second bearing;
A pair of clamping plate are located at described bistrique axle near described magnet retaining arrangement one end, and described grinding wheel is located in described a pair of clamping plate and fixes by a securing member;
Described control device drives described grinding wheel rotation by the described bistrique axle rotation of control.
Further improvement of the utility model is that described magnet feeding device comprises: a pedestal, have an axial circular hole, and be fixedly arranged on the described supporting plate;
One front end is the overcoat of wide-mouth, and fixed cover is in the axial circular hole of pedestal;
One spring chuck is enclosed within the described overcoat, and described spring chuck front end outer peripheral face has certain conicity, and just the wide-mouth with the overcoat front end cooperates;
The rear end of spring chuck is by pad, and fixed screw is connected with set bolt, and described set bolt is connected with a spacing cylinder axostylus axostyle, and spacing cylinder is connected with the external high pressure source of the gas, accurately control spring dop vertically displacement in overcoat.
Further improvement of the utility model is that described control device comprises first motor, is used for the described magnet retaining arrangement of control, and magnet is rotated around the magnet center axis;
Second motor is used for the described grinding wheel fixing device of control, and grinding wheel is rotated around the grinding wheel axis;
The 3rd motor, it is mobile at axial guidance to be used for the control radial guidance, makes described grinding wheel fixing device, and the magnet feeding device is mobile vertically;
The 4th motor is used for the described grinding wheel fixing device of control, and magnet feeding device radially guide rail moves.
Magnet cutting equipment of the present utility model, magnet retaining arrangement can make the magnet that is fixed thereon rotate around the magnet center axis, the grinding wheel that grinding wheel fixing device can be fixed thereon is around its axis rotation, direction of rotation is opposite with the magnet direction of rotation, when grinding wheel cutting magnet, grinding wheel rotation cutting magnet, depth of cut equals the thickness of magnet tube wall.After finishing the cutting flow process of whole magnets, the magnet feeding device is in the radial and axial movement in control device effect lower edge, the magnet termination is entered in the spring chuck of magnet retaining arrangement, spring chuck is mobile backward vertically in overcoat under the effect of spacing cylinder, magnet is locked, pneumatic scroll chuck unclamps simultaneously, the magnet pay-off spurs magnet vertically and retreats under the effect of control device, to correct position, spring chuck unclamps magnet, simultaneously pneumatic scroll chuck locking magnet, the magnet feeding device retreats vertically, finishes self-feeding.
Description of drawings
Fig. 1 is the schematic diagram of the magnet automatic cutting equipment of the utility model specific embodiment.
Fig. 2 is the cross-sectional view of magnet retaining arrangement of the magnet automatic cutting equipment of the utility model specific embodiment.
Fig. 3 is the cross-sectional view of grinding wheel fixing device of the magnet automatic cutting equipment of the utility model specific embodiment.
Fig. 4 is the cross-sectional view of magnet feeding device of the magnet automatic cutting equipment of the utility model specific embodiment.
The specific embodiment
The magnet cutting equipment of the utility model specific embodiment, magnet retaining arrangement can make the magnet that is fixed thereon rotate around the magnet center axis, the grinding wheel that grinding wheel fixing device can be fixed thereon is around its axis rotation, direction of rotation is opposite with the magnet direction of rotation, when grinding wheel cutting magnet, grinding wheel rotation cutting magnet, therefore depth of cut equals the thickness of magnet tube wall, and do not need along the magnet radial direction with magnet external diameter degree of depth cutting magnet, thereby can reduce the vibrations of grinding wheel, improve the magnet cutting accuracy, improve yield.
In order to make those skilled in the art understand spirit of the present utility model clearer, accurately, below in conjunction with accompanying drawing specific embodiment of the utility model is elaborated.
Fig. 1 is side schematic diagrames such as two of the magnet cutting equipment of the utility model specific embodiment, and with reference to figure 1, magnet cutting equipment of the present utility model comprises: a base 10; One magnet retaining arrangement 20 is located on the described base 10; At least one axial guidance 11, parallel with magnet 50 central axial direction, be fixed on the described base 10, in this specific embodiment, axial guidance 11 is two, the needs that use according to reality can arrange a plurality of axial guidances, and be arranged in parallel certainly; At least one radial guidance 12, vertical with described axial guidance 11 and slidably be located at described axial guidance 11, in this specific embodiment, radial guidance is one, can arrange a plurality ofly in actual use as required, this is techniques well known, does not do at this and gives unnecessary details; One grinding wheel fixing device 30 slidably is located at described radial guidance 12; One grinding wheel 40 is fixed in described grinding wheel fixing device 30; One control device is used for the described grinding wheel fixing device 30 of control it is moved along described axial guidance 11, described radial guidance 12, and makes grinding wheel 40 cutting magnets 50 for the described grinding wheel fixing device 30 of control; Described control device also is used for the described magnet retaining arrangement 20 of control, and the magnet 50 that is fixed thereon is rotated around the magnet center axis; Also be used for the described grinding wheel fixing device 30 of control, make the grinding wheel 40 that is fixed thereon around the rotation of grinding wheel axis, its direction of rotation is opposite with magnet 50 direction of rotation.Magnet retaining arrangement 20 can make the magnet 50 that is fixed thereon rotate around the magnet center axis, the grinding wheel 40 that grinding wheel fixing device 30 can be fixed thereon is around its axis rotation, direction of rotation is opposite with the magnet direction of rotation, when grinding wheel 40 cutting magnets 50, grinding wheel 40 rotation cutting magnets, therefore depth of cut equals the thickness of magnet tube wall, and do not need along the magnet radial direction with magnet external diameter degree of depth cutting magnet, thereby can reduce the vibrations of grinding wheel, improve the magnet cutting accuracy, improve yield.
In specific embodiment of the utility model, also comprise: a supporting plate 13, grinding wheel fixing device 30 is fixedly arranged on this supporting plate, and supporting plate 13 slidably is located at described radial guidance 12, and described grinding wheel fixing device 30 slidably is located at described radial guidance 12 by this supporting plate 13.Described control device can make the grinding wheel fixing device 30 that is fixed on the supporting plate 13 move along described axial guidance 11, described radial guidance 12 by the movement of the described supporting plate 13 of control.
With reference to figure 2, described magnet retaining arrangement comprises simultaneously: a support 21, be located at described base 10, and it has an axial circular hole 22; One clutch shaft bearing 23 is fixedly arranged in the axial circular hole 22 of described support 21; One locking member 25 is sheathed on described bearing 23; One resilient sleeve 26, magnet 50 is sheathed on this resilient sleeve 26, described locking member 25 is by resilient sleeve 26 locking magnets 50, in this specific embodiment, described resilient sleeve 26 is an elasticity steel bushing, has an axial opening at the jacket wall of this elasticity steel bushing, and the width of described opening is 3~8 millimeters, when magnet 50 is sheathed on this elasticity steel bushing, with external force elasticity steel bushing radius vector is tightened up to direction and can make magnet 50 be fastened into this elasticity steel bushing; Described control device drives magnet 50 rotations by described locking member 25 rotations of control.In this specific embodiment, described locking member 26 is a pneumatic scroll chuck, this scroll chuck is flange arrangement, comprises first flange and second flange, and first flange is sheathed on described bearing 23, second flange is after magnet 50 is sheathed on first flange, the sheathed magnet 50 of second flange is also fixed with first flange, and magnet 50 is fixing, and this pneumatic scroll chuck is connected with high-pressure air source, can under the control of source of the gas, realize tightening up and action of releasing, be used for fixing and unclamp magnet 50.
With reference to figure 3, described grinding wheel fixing device comprises simultaneously: a frame 31, have an axial circular hole 32, and be fixedly arranged on the described supporting plate 13; At least two second bearings 33 are sheathed on the axial circular hole 32 of described frame 31, and two second bearings are set in this specific embodiment, and those skilled in the art can know by inference, and a plurality of second bearings also can be set; One bistrique axle 34 is sheathed on described second bearing 33; A pair of clamping plate 35 are located at described bistrique axle 34 near described magnet retaining arrangement 20 1 ends, and described grinding wheel 40 is located in described a pair of clamping plate 34 and fixing by a securing member 36, in this specific embodiment, fixes by a nut; Described control device drives described grinding wheel 40 rotations by the described bistrique axle rotation of control.
Wherein, in specific embodiment of the utility model, described control device comprises first motor, is used for the described magnet retaining arrangement 20 of control, and magnet 50 is rotated around the magnet center axis; Second motor is used for the described grinding wheel fixing device 30 of control, and grinding wheel 40 is rotated around the grinding wheel axis; The 3rd motor, it is mobile at axial guidance 11 to be used for control radial guidance 12, makes described grinding wheel fixing device 30 mobile vertically; The 4th motor, be used for the described grinding wheel fixing device 30 of control radially guide rail 12 move; And in specific embodiment of the utility model, the 3rd motor is by driving described supporting plate 13, make described grinding wheel fixing device 30 vertically guide rail move, described the 4th motor, by driving described supporting plate 13, make described grinding wheel fixing device radially guide rail move.
When using above-described magnet cutting equipment, magnet is installed in described magnet retaining arrangement, be specially, magnet 50 is sheathed on described resilient sleeve 26, sheathed resilient sleeve by magnet 50 is sheathed on described locking member, make locking member 25 locking magnets, in this specific embodiment, for making scroll chuck locking magnet 50; Make described control device drive described grinding wheel fixing device 30 along described radial guidance 12, axial guidance 11 moves, grinding wheel 40 is contacted with described magnet, and the distance between grinding wheel 40 and magnet 50 position contacting and the magnet end face need to equal the magnet length of cutting, be specially, control the 3rd motor, by the 3rd motor, control radial guidance 12 is mobile at axial guidance 11, make described grinding wheel fixing device 30 mobile vertically, control the 4th motor, by the described supporting plate 13 of the 4th motor-driven make described grinding wheel fixing device 30 radially guide rail 12 move; Make described control device drive described magnet retaining arrangement 20, magnet 50 is rotated around the magnet center axis, drive described grinding wheel fixing device 30 simultaneously, grinding wheel 40 is rotated around the grinding wheel axis, direction of rotation is opposite with the magnet direction of rotation, be specially, control first motor, by described locking member 25 rotations of this first motor-driven, making described locking member 24 drive magnet 50 rotates around the magnet center axis, in this specific embodiment, this first motor-driven scroll chuck rotation makes scroll chuck drive magnet and rotates around the magnet center axis, simultaneously, control second motor, by the described grinding wheel fixing device 30 of second motor-driven, grinding wheel 40 is rotated around the grinding wheel axis, in this specific embodiment, control second motor, by described bistrique axle 34 rotations of second motor-driven, bistrique axle 34 drives grinding wheel 40 and rotates around the grinding wheel axis; Make described control device drive described grinding wheel fixing device 30 and move to magnet 50 along described radial guidance 12, its displacement equals a pipe thickness; In this specific embodiment, the rotary speed of described grinding wheel is that 3000-6000rpm(changes per minute), be preferably 5000rpm; The rotary speed of described magnet is 50-100rpm.
With reference to figure 4, magnet feeding device 60 described in the utility model is fixedly arranged on the supporting plate 13, comprising simultaneously: a pedestal 61, have an axial circular hole, and be fixedly arranged on the described supporting plate 13; One front end is the overcoat 62 of wide-mouth, and fixed cover is in the axial circular hole of pedestal 61; One spring chuck 63 is enclosed within the described overcoat 62, and described spring chuck 63 front end outer peripheral faces have certain conicity, and just the wide-mouth with overcoat 62 front ends cooperates; The rear end of spring chuck 63 is by pad 64, fixed screw 65 is connected with set bolt 66, described set bolt 66 is connected with spacing cylinder 67 axostylus axostyles, and spacing cylinder 67 is connected with the external high pressure source of the gas, accurately control spring dop vertically displacement in overcoat.Spring chuck material use elasticity manganese steel is preferably made, and at the spring chuck front end edge some flutings is arranged axially, makes it possess good telescopic resilience.In a specific embodiment, described spring chuck front end edge axially has 4 flutings, and 4 flutings are symmetrically distributed, and the width of fluting is 3 millimeters.
Described control device is used for the described magnet automatic charging device of control makes it move along described axial guidance, described radial guidance, be specially, control the 3rd motor, by the 3rd motor, control radial guidance 12 is mobile at axial guidance 11, make described magnet feeding device 60 mobile vertically, control the 4th motor, by the described supporting plate 13 of the 4th motor-driven make described magnet feeding device 60 radially guide rail 12 move.
Magnet cutting equipment of the present utility model, magnet retaining arrangement can make the magnet that is fixed thereon rotate around the magnet center axis, the grinding wheel that grinding wheel fixing device can be fixed thereon is around its axis rotation, direction of rotation is opposite with the magnet direction of rotation, when grinding wheel cutting magnet, grinding wheel rotation cutting magnet, depth of cut equals the thickness of magnet tube wall.After finishing the cutting flow process of whole magnets, the magnet feeding device is in the radial and axial movement in control device effect lower edge, the magnet termination is entered in the spring chuck of magnet retaining arrangement, spring chuck is mobile backward vertically in overcoat under the effect of spacing cylinder, magnet is locked, pneumatic scroll chuck unclamps simultaneously, the magnet pay-off spurs magnet vertically and retreats under the effect of control device, to correct position, spring chuck unclamps magnet, simultaneously pneumatic scroll chuck locking magnet, the magnet feeding device retreats vertically, finishes self-feeding.In concrete operation, all control device also have pneumatic means, all are connected with the PLC circuit, under default programme-control, finish whole cutting operations according to fixing sequential, do not need manual intervention, have therefore realized automatic cutting work.
Be understandable that the detailed description of above-described embodiment is in order to set forth and explain principle of the present utility model rather than to the restriction of protection domain of the present utility model.Under the prerequisite that does not break away from purport of the present utility model, one of ordinary skill in the art can be made modification on these embodiment bases by the understanding to the principle that discloses of technique scheme, changes and changes.Therefore protection domain of the present utility model by appended claim with and be equal to limit.