CN110768429B - Mounting structure and method of motor for electric screw press - Google Patents
Mounting structure and method of motor for electric screw press Download PDFInfo
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- CN110768429B CN110768429B CN201911024573.7A CN201911024573A CN110768429B CN 110768429 B CN110768429 B CN 110768429B CN 201911024573 A CN201911024573 A CN 201911024573A CN 110768429 B CN110768429 B CN 110768429B
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- hollow shaft
- rotor
- screw
- motor
- mounting structure
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a mounting structure of a motor for an electric screw press and a method thereof, wherein the mounting structure comprises a shell, a rotor and a stator, wherein the rotor is fixedly provided with a hollow shaft, the hollow shaft is sleeved on a screw rod, and the screw rod and the hollow shaft are provided with plug-ins for positioning the circumference of the hollow shaft; the lower end of the screw rod is provided with a boss for placing the hollow shaft, and a limiting part for positioning the hollow shaft in the axial direction is arranged above the rotor of the screw rod. Through above-mentioned technical scheme, ensure the fixed firm effect to the hollow shaft along axial direction, promote the work efficiency of installation, and this compact structure, the tie point is few, and the reliability is high, and is with low costs.
Description
Technical Field
The invention relates to the technical field of motor equipment, in particular to a motor mounting structure for an electric screw press and a method thereof.
Background
The electric screw press is forging equipment of a process applicability machine gun, the basic work of the electric screw press is far away from the frequent forward and reverse rotation movement of a flywheel, a sleeve shaft and a nut of the motor-driven screw press, and the forging effect of the electric screw press is directly realized, namely the nut is matched with a screw rod, so that a sliding block moves up and down to generate striking force; the interaction between the stator and the rotor in the traditional motor is adopted at present to realize the driving effect on the screw.
In order to solve the problems, the Chinese patent with the application publication number of CN109038898A provides a motor rotor, which comprises annular magnetic steel units, wherein the axial end faces of at least two magnetic steel units are mutually attached to form a tubular magnetic steel body, the middle part of a rotor core is provided with a rotating shaft in a pressing mode, and the rotor core is sleeved with the annular magnetic steel body. The annular magnetic steel units are directly sleeved on the rotor core in sequence, so that the operation of workers is convenient, and the installation efficiency of the magnetic steel body is improved.
The above prior art solutions have the following drawbacks: the motion of magnet steel unit axial direction is restricted by two end plates and clamping ring, rotates the in-process at rotor core, and the rotor receives along rotor core axial effort, and the rotor extrudees the clamping ring, influences the fixed effect between clamping ring and the pivot, and then the easy emergence of rotor axial direction slides.
Disclosure of Invention
The invention aims to provide a motor mounting structure for an electric screw press and a method thereof, which have the effect of ensuring the limit and stability of a hollow shaft.
The invention is realized by the following technical scheme:
a motor mounting structure for an electric screw press comprises a shell, a rotor and a stator, wherein the rotor is fixedly provided with a hollow shaft, the hollow shaft is sleeved on a screw rod, and the screw rod and the hollow shaft are provided with plug-in units for positioning the circumference of the hollow shaft; the lower end of the screw is provided with a boss for placing the hollow shaft, and a limiting piece for positioning the axial direction of the hollow shaft is arranged above the rotor of the screw; the hollow shaft bottom is fixed and is provided with two fixture blocks, the boss rotates and is provided with the buckle, fixed two knot pieces that set up on the buckle, detain the piece with the fixture block adaptation, it rotates extremely to detain the piece the fixture block top.
By adopting the technical scheme, the stator mainly acts on generating a rotating magnetic field, the rotor mainly acts on being cut by magnetic lines of force in the rotating magnetic field to generate output current, the electric screw press drives the sliding block to move through the rotation of the screw rod, the forward and reverse rotation of the screw rod in the electric screw press drives the sliding block to reciprocate under the action of the stator and the rotor, and the opposite punching working effect is completed; the driving buckle plate rotates around the boss, the buckle plate drives the buckle block to move to the position above the clamping block in the rotating process, the lower end face of the buckle block is abutted to the upper end face of the clamping block at the moment, and the buckle block limits the clamping block along the axial direction of the hollow shaft.
Further setting the following steps: the locating part includes the nut with screw rod threaded connection, the hollow shaft is located the nut with the position between the boss.
Further setting the following steps: a flywheel is arranged between the nut and the hollow shaft, and the flywheel is sleeved on the screw rod.
Through adopting above-mentioned technical scheme, the drive nut rotates, and the nut rotates the in-process and moves along screw rod axial direction, and nut lower extreme and flywheel up end butt, and the nut exerts an extrusion effort to the flywheel, avoids the nut direct extrusion hollow shaft, and under the effect of boss and nut, the hollow shaft axial is extruded the locking.
Further setting the following steps: the boss is provided with the annular, the buckle fixed be provided with the ring piece of annular adaptation, the ring piece is located in the annular and with the laminating of annular inner wall is slided.
By adopting the technical scheme, the ring block is completely positioned in the annular groove, and the ring block rotates in the annular groove, so that the rotation effect of the buckling block around the boss is realized.
Further setting the following steps: the screw rod is provided with four first arc holes, the hollow shaft is provided with four second arc holes, the plug-in unit comprises a round key, the first arc holes are matched with the second arc holes, and the round key is inserted in a space surrounded by the first arc holes and the second arc holes.
Through adopting above-mentioned technical scheme, the round key is pegged graft in the space that first arc hole and second arc hole enclose and establish, and at this moment, when the hollow shaft took place to rotate, the relative motion between hollow shaft and the screw rod was restricted, and at this moment, the motion of hollow shaft circumference was positioned the restriction, and the hollow shaft rotated with the screw rod together.
Further setting the following steps: the rotor and the hollow shaft are in interference fit.
Through adopting above-mentioned technical scheme, locate the hollow shaft with the rotor cover outside, the aperture of hollow shaft is less than the external diameter of rotor, applies an extrusion effort for the rotor, fixes the rotor extrusion outside the hollow shaft, realizes that the cover between rotor and the hollow shaft establishes fixed effect.
Further setting the following steps: and a step-shaped convex block is arranged at the corner of the hollow shaft, and the bottom end of the rotor is abutted against the upper end face of the convex block.
Through adopting above-mentioned technical scheme, the area of terminal surface is greater than the area of lug up end under the rotor, and rotor part position is unsettled setting, and when the rotor at the rotation in-process, the area of contact increase of rotor and air carries out the heat transfer effect between the rotor of being convenient for and the air for the radiating effect of rotor.
The invention also aims to provide a motor mounting structure for the electric screw press, which has the effect of improving the mounting efficiency.
The invention is realized by the following technical scheme:
a method for mounting a motor for an electric screw press comprises the following steps;
firstly, mounting accessories, wherein a rotor is sleeved outside a hollow shaft and is in interference fit;
step two, sleeving and mounting, wherein the hollow shaft is sleeved on the screw rod;
step three, circumferential positioning is carried out, and the round keys axially position the screw rod and the hollow shaft;
step four, axially clamping, and rotating the buckling block to the position above the clamping block;
and fifthly, axially positioning, sleeving the flywheel on the screw rod, and connecting the nut with the screw rod in a threaded manner.
By adopting the technical scheme, the rotor is sleeved outside the hollow shaft, the aperture of the hollow shaft is smaller than the outer diameter of the rotor, an extrusion acting force is applied to the rotor, the rotor is extruded and fixed outside the hollow shaft, and the sleeving and fixing effect between the rotor and the hollow shaft is realized; sleeving the hollow shaft on the screw rod, moving the lower end face of the hollow shaft to a boss position, inserting the round key at the connecting position of the screw rod and the hollow shaft, and limiting the circumferential movement of the screw rod and the hollow shaft; the flywheel is sleeved outside the screw rod, the driving nut rotates and moves towards the hollow shaft along the screw rod, the hollow shaft is extruded and locked, the driving buckling block rotates to the position above the clamping block, the axis of the hollow shaft is fixed and stable, and the installation work is completed.
In conclusion, the beneficial technical effects of the invention are as follows:
(1) install first arc hole and second arc hole to the adaptation position, the drive circle key is pegged graft in the position in first arc hole and second arc hole, realizes the fixed effect of hollow shaft and screw rod week ascending.
(2) The flywheel is sleeved on the screw rod, the nut is driven to rotate, and the flywheel and the hollow shaft are extruded and locked on the convex block by the nut.
(3) The buckle plate is driven to rotate, the ring block rotates in the ring groove, and the buckle block rotates to the position above the clamping block, so that the axial fixing and stabilizing effect on the hollow shaft is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the hollow shaft, screw and round key of the present invention.
Reference numerals: 1. a rotor; 2. a hollow shaft; 3. a plug-in; 4. a boss; 5. a nut; 6. a flywheel; 7. a clamping block; 8. buckling the plate; 9. buckling blocks; 10. a ring groove; 11. a ring block; 12. a first arc hole; 13. a second arc hole; 14. a round key; 15. a bump; 16. a screw.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1, the mounting structure of the motor for the electric screw press disclosed by the invention comprises a housing, a rotor 1 and a stator, wherein the stator is fixedly connected with the housing, in the prior art, the stator mainly functions to generate a rotating magnetic field, the rotor 1 mainly functions to be cut by magnetic lines of force in the rotating magnetic field to generate output current, the electric screw press drives a slider to move through the rotation of a screw 16, and under the action of the stator and the rotor 1, the forward and reverse rotation of the screw 16 in the electric screw press drives the slider to reciprocate, so that the working effect of counter-pressing is achieved.
Referring to fig. 1 and 2, in order to ensure a driving effect of the screw 16, the rotor 1 is fixedly provided with a hollow shaft 2, the rotor 1 is sleeved on the hollow shaft 2, the hollow shaft 2 and the rotor 1 are in interference fit, the sleeving and fixing effect of the rotor 1 and the hollow sleeve is realized, the hollow shaft 2 is sleeved outside the screw 16, the plug-in 3 for positioning the circumference of the hollow shaft 2 is arranged between the screw 16 and the hollow shaft 2, in order to realize the compact structure between the hollow shaft 2 and the screw 16, four first arc holes 12 are arranged on the circumference of the screw 16, four second arc holes 13 are arranged on the circumference inner wall of the hollow shaft 2, the first arc holes 12 and the second arc holes 13 are arranged along the axial direction of the hollow shaft 2, the sections of the first arc holes 12 and the second arc holes 13 are arranged in a semi-arc shape, when the first arc hole 12 and the second arc hole 13 move to the mutually matched positions, circular holes are surrounded by the first arc hole 12 and the second arc hole 13.
Referring to fig. 1 and 2, the insertion connection comprises a round key 14, the round key 14 is inserted into a space surrounded by the first arc hole 12 and the second arc hole 13, at the moment, when the hollow shaft 2 rotates, the relative movement between the hollow shaft 2 and the screw 16 is limited, at the moment, the circumferential movement of the hollow shaft 2 is located and limited, the hollow shaft 2 and the screw 16 rotate together, the locating effect of the round key 14 has the effect of being convenient to process, the number of connection points is few, the working strength is reduced, and the working efficiency of installation is improved.
Referring to fig. 1, in order to realize the effect of limiting the axial direction of the hollow shaft 2, a boss 4 for placing the hollow shaft 2 is fixedly arranged at the lower end of a screw 16, a limiting part for positioning the axial direction of the hollow shaft 2 is arranged above a rotor 1 of the screw 16, the limiting part comprises a nut 5 in threaded connection with the screw 16, a flywheel 6 is arranged between the nut 5 and the hollow shaft 2, the flywheel 6 is sleeved on the screw 16, the driving nut 5 rotates, the nut 5 moves along the axial direction of the screw 16 in the rotating process, the lower end of the nut 5 is abutted against the upper end face of the flywheel 6, the nut 5 applies an extrusion acting force to the flywheel 6, the hollow shaft 2 is prevented from being directly extruded by the nut 5, and the axial direction of the hollow shaft.
Referring to fig. 1, in order to ensure that the axis limiting effect to hollow shaft 2 is firm, the bottom mounting of 2 circumference of hollow shaft is provided with two fixture blocks 7, boss 4 rotates and is provided with buckle 8, annular 10 has been seted up to boss 4, annular 10 sets up to the round, buckle 8 is fixed be provided with the ring piece 11 of annular 10 adaptation, ring piece 11 is located annular 10 completely, ring piece 11 is located annular 10 and slides with the laminating of annular 10 inner wall, drive ring piece 11 is at the internal rotation of annular 10, ring piece 11 drives buckle 8 and rotates, realize boss 4 and buckle 8's rotation effect.
Referring to fig. 1, buckle 8 is last to be fixed to be provided with two and to detain piece 9, detain piece 9 and fixture block 7 adaptation, it sets up to "L" form to detain the vertical direction of piece 9 and fixture block 7, fixture block 7 and the mutual lock of knot piece 9, buckle 8 drives and detains piece 9 and moves to fixture block 7 top, the upper end butt of bottom surface and fixture block 7 under the knot piece 9, fixture block 7 is restricted in the ascending motion of vertical side this moment, realize the firm effect of restriction to 2 axial directions of hollow axle, this connected mode is with low costs, the reliability is high.
Referring to fig. 1, in the rotation process of rotor 1, in order to prevent the overheating effect of rotor 1, the fixed lug 15 that is provided with the echelonment in hollow shaft 2 corner position, lug 15 is the echelonment along the cross-section of hollow shaft 2 axis direction, the bottom of rotor 1 and the butt of lug 15 up end, and the area of terminal surface is greater than the area of lug 15 up end under rotor 1, rotor 1 part position is unsettled setting, when rotor 1 is in the rotation process, the area of contact of rotor 1 and air increases, be convenient for carry out the heat transfer effect between rotor 1 and the air, accelerate the radiating effect of rotor 1.
Example two
The invention discloses a method for installing a motor for an electric screw press, which specifically comprises the following steps:
firstly, mounting accessories, wherein a rotor 1 is sleeved outside a hollow shaft 2 and is in interference fit;
step two, sleeving and mounting, wherein the hollow shaft 2 is sleeved on the screw 16;
step three, circumferential positioning is carried out, and the round key 14 axially positions the screw 16 and the hollow shaft 2;
step four, axially clamping, wherein the buckling block 9 rotates to the position above the clamping block 7;
and step five, axially positioning, sleeving the flywheel 6 on the screw rod 16, and connecting the nut 5 with the screw rod 16 in a threaded manner.
The rotor 1 is sleeved outside the hollow shaft 2, the aperture of the hollow shaft 2 is smaller than the outer diameter of the rotor 1, an extrusion acting force is applied to the rotor 1, the rotor 1 is extruded and fixed outside the hollow shaft 2, and the sleeving and fixing effect between the rotor 1 and the hollow shaft 2 is achieved; sleeving the hollow shaft 2 on the screw rod 16, moving the lower end face of the hollow shaft 2 to the position of the boss 4, inserting the round key 14 at the connecting position of the screw rod 16 and the hollow shaft 2, and limiting the circumferential movement of the screw rod 16 and the hollow shaft 2; the flywheel 6 is sleeved outside the screw rod 16, the driving nut 5 rotates and moves towards the hollow shaft 2 along the screw rod 16, the hollow shaft 2 is extruded and locked, the driving buckle block 9 rotates to the position above the clamping block 7, the axis of the hollow shaft 2 is fixed and stable, and the installation work is completed.
The implementation principle and the beneficial effects of the embodiment are as follows: applying an extrusion acting force to the rotor 1, sleeving the rotor 1 outside the hollow shaft 2 and fixedly sleeving the hollow shaft 2, sleeving the hollow shaft 2 on the screw 16, installing the first arc hole 12 and the second arc hole 13 to adaptive positions, and inserting the driving round key 14 at the positions of the first arc hole 12 and the second arc hole 13 to realize the circumferential fixing effect of the hollow shaft 2 and the screw 16; the flywheel 6 is sleeved on the screw 16, the nut 5 is driven to rotate, the nut 5 extrudes and locks the flywheel 6 and the hollow shaft 2 on the bump 15, the buckle plate 8 is driven to rotate, the ring block 11 rotates in the annular groove 10, and the buckle block 9 rotates to a position above the clamping block 7, so that the effect of axially fixing and stabilizing the hollow shaft 2 is achieved; during the rotation of the rotor 1, the part of the rotor 1 outside the bump 15 realizes the effect of accelerating the heat dissipation of the rotor 1.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a mounting structure of motor for electronic screw press, includes casing, rotor (1) and stator, its characterized in that: the rotor (1) is fixedly provided with a hollow shaft (2), the hollow shaft (2) is sleeved on a screw (16), and the screw (16) and the hollow shaft (2) are provided with plug-in components (3) for positioning the circumference of the hollow shaft (2); the lower end of the screw (16) is provided with a boss (4) for placing the hollow shaft (2), and a limiting piece for positioning the hollow shaft (2) in the axial direction is arranged above the rotor (1) of the screw (16); hollow shaft (2) bottom mounting is provided with two fixture blocks (7), boss (4) are rotated and are provided with buckle (8), fixed two knot pieces (9) that set up on buckle (8), detain piece (9) with fixture block (7) adaptation, it rotates extremely to detain piece (9) fixture block (7) top.
2. The mounting structure of the motor for an electric screw press according to claim 1, characterized in that: the limiting piece comprises a nut (5) in threaded connection with a screw rod (16), and the hollow shaft (2) is located between the nut (5) and the boss (4).
3. The mounting structure of the motor for an electric screw press according to claim 2, characterized in that: a flywheel (6) is arranged between the nut (5) and the hollow shaft (2), and the flywheel (6) is sleeved on the screw rod (16).
4. The mounting structure of the motor for an electric screw press according to claim 3, characterized in that: boss (4) are provided with annular (10), buckle (8) fixed be provided with ring piece (11) of annular (10) adaptation, ring piece (11) are located in annular (10) and with the laminating of annular (10) inner wall is slided.
5. The mounting structure of the motor for an electric screw press according to claim 1, characterized in that: the screw rod (16) is provided with four first arc holes (12), the hollow shaft (2) is provided with four second arc holes (13), the plug-in component (3) comprises a round key (14), the first arc holes (12) are matched with the second arc holes (13), and the round key (14) is inserted into a space surrounded by the first arc holes (12) and the second arc holes (13).
6. The mounting structure of the motor for an electric screw press according to claim 1, characterized in that: the rotor (1) and the hollow shaft (2) are in interference fit.
7. The mounting structure of the motor for an electric screw press according to claim 1, characterized in that: the corner position of the hollow shaft (2) is provided with a step-shaped lug (15), and the bottom end of the rotor (1) is abutted to the upper end face of the lug (15).
8. A method of mounting a motor for an electric screw press, in which the motor mounting structure for an electric screw press according to any one of claims 2 to 7 is used, characterized in that: comprises the following steps;
firstly, mounting accessories, wherein a rotor (1) is sleeved outside a hollow shaft (2) and is in interference fit;
step two, sleeving and mounting, wherein the hollow shaft (2) is sleeved on the screw (16);
step three, circumferential positioning is carried out, and the round key (14) carries out circumferential positioning on the screw (16) and the hollow shaft (2);
step four, axially clamping, wherein the buckling block (9) rotates to a position above the clamping block (7);
and fifthly, axial positioning is carried out, the flywheel (6) is sleeved on the screw rod (16), and the nut (5) is in threaded connection with the screw rod (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911024573.7A CN110768429B (en) | 2019-10-25 | 2019-10-25 | Mounting structure and method of motor for electric screw press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911024573.7A CN110768429B (en) | 2019-10-25 | 2019-10-25 | Mounting structure and method of motor for electric screw press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110768429A CN110768429A (en) | 2020-02-07 |
| CN110768429B true CN110768429B (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911024573.7A Active CN110768429B (en) | 2019-10-25 | 2019-10-25 | Mounting structure and method of motor for electric screw press |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201298652Y (en) * | 2008-10-17 | 2009-08-26 | 灵宝市金源矿业有限责任公司 | Fixation device for motor slide ring |
| DE102008060043B3 (en) * | 2008-12-02 | 2010-07-29 | Germas Ag | screw press |
| CN201805318U (en) * | 2010-08-31 | 2011-04-20 | 湖北富升锻压机械有限公司 | Motor safety protection device |
| CN208427562U (en) * | 2018-01-31 | 2019-01-25 | 湖北环一电磁装备工程技术有限公司 | A kind of numerical control bender that no frame permanent magnet synchronous motor directly drives |
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2019
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