CN218124413U - AC permanent magnet servo direct drive motor for forging electric screw press - Google Patents
AC permanent magnet servo direct drive motor for forging electric screw press Download PDFInfo
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- CN218124413U CN218124413U CN202222287539.2U CN202222287539U CN218124413U CN 218124413 U CN218124413 U CN 218124413U CN 202222287539 U CN202222287539 U CN 202222287539U CN 218124413 U CN218124413 U CN 218124413U
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Abstract
The utility model discloses a forge electronic screw press with servo direct drive motor of alternating current permanent magnetism belongs to servo motor technical field, including stator assembly and the rotor assembly of assembly together, the stator assembly is the annular and just includes fixed clamping ring, stator towards piece assembly, coil assembly and preceding clamping ring, and wherein the below of fixed clamping ring is equipped with the outlet, and the stator is equipped with the coil mounting groove towards the inboard of piece assembly, and the stator is equipped with the natural cooling subassembly towards the outside of piece assembly, and the natural cooling subassembly adopts radiating fin's structure, radiating fin includes that a plurality of evenly distributed is on the outside circumference of stator towards piece assembly, and radiating fin effectively dispels the heat to stator towards piece assembly at the motor during operation, the top at fixed clamping ring is installed towards the piece assembly to the stator. By adopting the natural cooling structural design, compared with the traditional water cooling or air cooling mode, the energy utilization efficiency can be effectively improved, the purposes of energy conservation and emission reduction are achieved, and the method is suitable for being popularized and used on the screw press for forging.
Description
Technical Field
The utility model relates to a forge electronic screw press with servo motor that directly drives of alternating current permanent magnetism belongs to servo motor technical field.
Background
Forging is a processing method which utilizes forging machinery to apply pressure on a metal blank to enable the metal blank to generate plastic deformation so as to obtain a forging with certain mechanical property, certain shape and certain size, the defects of casting-state looseness and the like generated in the smelting process of metal can be eliminated through forging, the microstructure is optimized, and meanwhile, because a complete metal streamline is saved, the mechanical property of the forging is generally superior to that of a casting made of the same material.
An electric screw press is one of the main equipments used in the forging industry. In the prior art, an electric screw press mostly adopts a switched reluctance motor as a driving unit, and the electric energy conversion efficiency of the switched reluctance motor is lower than that of an alternating current permanent magnet servo direct-drive motor, so that the energy utilization rate of equipment using the switched reluctance motor as the driving unit is lower than that of equipment using the alternating current permanent magnet servo direct-drive motor under the same conditions.
The switched reluctance motor adopts a gear transmission or belt transmission mode to transmit power, and the conventional power transmission mode has the problem of energy loss transmission (different transmission mode losses) compared with direct drive. Whether wind comes or water cools, extra equipment is needed to be added to meet the cooling requirement, and the problem is that: 1. additionally, the energy consumption is increased, and 2, particles are easily brought into the air cooling to block an air channel and scratch internal parts of the electric screw press. 3. Although the water-cooling mode has good heat dissipation effect and can not bring particles, the additional energy loss can be brought, and the problem of complex structure of the motor is caused. Thus, the use of both water and air cooling introduces additional energy losses and unpredictable usage drawbacks. Because the process is controlled automatically in the forging process in the future, the working frequency of the electric screw press is low during working, and the heat generated during working is low, which provides a prerequisite for the motor to adopt a natural cooling heat dissipation structure.
SUMMERY OF THE UTILITY MODEL
The utility model is not enough to prior art, an object of the utility model is to provide a forge electronic screw press with alternating current permanent magnetism servo direct drive motor, solved the problem that appears among the prior art.
A forge electronic screw press with servo direct drive motor of alternating current permanent magnetism, including stator assembly and the rotor assembly of assembly together, the stator assembly is the annular and includes fixed clamping ring, stator towards piece assembly, coil assembly and preceding clamping ring, wherein the below of fixed clamping ring is equipped with the outlet, and the stator is equipped with the coil mounting groove towards the inboard of piece assembly, and the stator is equipped with the natural cooling subassembly towards the outside of piece assembly, the natural cooling subassembly adopts radiating fin's structure, radiating fin includes that a plurality of evenly distributed is on the outside circumference of stator towards piece assembly, and radiating fin effectively dispels the heat to stator towards piece assembly at the motor during operation, the stator is towards the top that the piece assembly was installed at fixed clamping ring.
Furthermore, the rotor assembly comprises a rotor fixing ring, a rotor pressure plate, a magnetism isolating ring, a rotor assembly and a magnetic ring assembly, wherein the rotor fixing ring is located at the innermost side, the rotor pressure plate is located at the uppermost side of the rotor assembly, the magnetism isolating ring, the rotor assembly and the magnetic ring assembly are fixed on the rotor pressure plate and the rotor fixing ring, and the rotor assembly is designed in a hollow mode.
Furthermore, the natural cooling assembly comprises a plurality of radiating fins which are uniformly distributed on the outer side of the stator punching sheet assembly, and the radiating fins increase the heat exchange area and are used for motor heat dissipation.
Furthermore, the stator punching sheet assembly and the rotor assembly are both formed by punching silicon steel sheets, a circle of stator punching sheet assembly and a circle of rotor punching sheet assembly are formed by combining fan-shaped blades, and a cross distribution structure is adopted from top to bottom.
Furthermore, a gap between the coil assembly and the stator punching sheet assembly is filled with insulating silica gel.
Furthermore, a fixing bolt hole and a cylindrical pin positioning hole are machined above the rotor fixing ring and are used for being connected with a flywheel.
Further, the magnetic ring assembly comprises a plurality of permanent magnets with the same size.
Furthermore, a temperature sensing element is arranged on the inner side of the stator assembly and used for monitoring the temperature of the stator assembly.
Compared with the prior art, the utility model, following beneficial effect has:
a forge electronic screw press and adopt the servo motor that directly drives of alternating current permanent magnetism, the rotor adopts the coil winding to produce magnetic field, the stator adopts hollow design can with flywheel lug connection, the stator adopts the permanent magnet as the magnetic conduction original paper, does not have lug connection between stator, the rotor, adopts magnetic gap transmission energy, energy density is high, the stator does not generate heat, only need notice the temperature of stator just can, add the temperature sense original paper and can detect the stator temperature at any time in the winding of stator. The power of the equipment can be adjusted within a certain range only by changing the heights of the stator coil, the rotor and the permanent magnet, so that the cost and the manufacturing difficulty can be effectively reduced.
The utility model discloses a motor is for exchanging the synchronous servo motor of permanent magnetism, and the efficiency of its work can reach 96% -98%, and traditional switched reluctance motor's efficiency is 92% -96%, can show the efficiency that promotes the motor. Meanwhile, according to the special use environment of the electric screw press for forging, the working frequency is low, the striking energy is generally 6-30 times/minute, and sufficient time is reserved for equipment heat dissipation due to the time gap between two striking actions. The cooling mode of natural cooling through the cooling fins is provided, compared with the traditional switched reluctance motor and a servo direct drive motor which is applied the same, the cooling mode or the air cooling mode is adopted, so that the energy can be effectively saved, the structural complexity of a driving system can be reduced, the maintenance cost can be reduced, the purposes of energy conservation and emission reduction can be achieved, the modular structure is effectively optimized, the problems in the prior art can be effectively solved, and the cooling mode is suitable for being popularized and used on a screw press for forging.
Drawings
FIG. 1 is a sectional view of an embodiment of the present invention as a whole;
fig. 2 is a cross-sectional view of a stator assembly in an embodiment of the present invention;
fig. 3 is a side view of a stator assembly in an embodiment of the present invention;
fig. 4 is a cross-sectional view of a rotor assembly in an embodiment of the invention;
fig. 5 is a side view of a rotor assembly in an embodiment of the invention;
fig. 6 is a perspective view of a stator assembly in an embodiment of the invention;
in the figure: 1. a stator assembly; 2. a rotor assembly; 11. fixing a pressing ring; 12. a stator punching sheet assembly; 13. a stator stud; 14. a front compression ring; 15. a hexagonal nut; 16. a coil assembly; 17. a heat dissipating fin; 21. a magnetic ring assembly; 22. a rotor retainer ring; 23. a rotor pressure plate; 24. a magnetism isolating ring; 25. a gasket; 26. a screw; 27. a rotor stud; 28. locking the nut; 29. a rotor assembly.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example 1:
as shown in fig. 1-6, a forge electronic screw press with servo direct drive motor of alternating current permanent magnetism, rotor assembly 2 including stator assembly 1 and assembly together, stator assembly 1 is the annular and includes fixed clamping ring 11, stator towards piece assembly 12, coil assembly 16 and preceding clamping ring 14, wherein the below of fixed clamping ring 11 is equipped with the outlet, stator towards the inboard of piece assembly 12 and be equipped with the coil mounting groove, stator towards the outside of piece assembly 12 and be equipped with natural cooling subassembly, natural cooling subassembly adopts radiating fin 17's structure, radiating fin 17 includes a plurality of evenly distributed on stator towards piece assembly 12's outside circumference, radiating fin 17 effectively dispels the heat to stator towards piece assembly 12 when the motor work, stator towards piece assembly 12 installs the top at fixed clamping ring 11. The rotor assembly 2 comprises a rotor fixing ring 22, a rotor pressure plate 23, a magnetism isolating ring 24, a rotor assembly 29 and a magnetic ring assembly 21, wherein the rotor fixing ring 22 is located at the innermost side, the rotor pressure plate 23 is located at the uppermost side of the rotor assembly 2, the magnetism isolating ring 24, the rotor assembly 29 and the magnetic ring assembly 21 are fixed on the rotor pressure plate 23 and the rotor fixing ring 22, and the rotor assembly 2 is in a hollow design.
The natural cooling assembly comprises a plurality of radiating fins 17 which are uniformly distributed on the outer side of the stator punching assembly 12, and the radiating fins 17 increase the heat exchange area for heat dissipation of the motor.
The stator punching sheet assembly 12 and the rotor assembly 29 are both formed by punching silicon steel sheets, one circle of stator punching sheet assembly is formed by combining fan-shaped blades, and the upper part and the lower part of the stator punching sheet assembly adopt a cross distribution structure. And a stator stud 13 and a hexagon nut 15 are arranged on the stator punching sheet assembly 12.
And a gap between the coil assembly 16 and the stator punching sheet assembly 12 is filled with insulating silica gel.
And a fixing bolt hole and a cylindrical pin positioning hole are processed above the rotor fixing ring 22 and are used for connecting the flywheel.
The magnet ring assembly 21 includes a plurality of permanent magnets of the same size.
The inner side of the stator assembly 1 is provided with a temperature sensing element for monitoring the temperature of the stator assembly 1.
The working principle of the embodiment is as follows: the fixed pressing ring 11 is used for bearing the motor body and is connected with equipment, and a wire outlet is arranged below the fixed pressing ring 11. Stator punching sheet assembly 12 adopts the monolithic to press to fold and assembles integrated configuration, and 1 inboard of stator assembly is the coil mounting groove, and the outside adopts radiating fin 17 structure to be used for increasing heat transfer area to be used for the motor heat dissipation, because radiating fin 17's structure makes stator assembly 1 not generate heat, only need notice the temperature of stator assembly just can, adds the temperature sensing original paper in the winding of stator and can detect the stator temperature at any time. Stator punching sheet assembly 12 is installed in the top of fixed clamping ring 11, and stator punching sheet assembly 12 adopts 0.5 mm's silicon steel sheet punching press to form, and the round is formed by 8 fan-shaped blade combinations, adopts cross distribution structure from top to bottom, and preceding clamping ring 14 is installed in the top of stator punching sheet assembly 12, fixes stator punching sheet assembly 12 on fixed clamping ring 11 through taut bolt and nut with fixed clamping ring 11 cooperation.
The rotor fixing ring 22 is located at the innermost side and used for supporting and fixing other parts, fixing bolt holes and cylindrical pin positioning holes are machined above the parts and used for being connected with a flywheel, threaded holes are formed in the lower end of the parts and used for fixing other parts on a rotor assembly, the rotor pressure plate 23 is located at the uppermost side of the rotor 2 and matched with the rotor fixing ring 22, the magnetism isolating ring 24, the rotor assembly 29 and the magnet ring assembly 21 are fixed on the rotor fixing ring 22 through stud bolts, the magnetism isolating ring 24 is used for blocking magnetic lines of force to prevent the shell and other iron, cobalt and nickel parts from being magnetized, the rotor assembly 29 is manufactured by punching silicon steel sheet single pieces and is manufactured in a distributed mode, the whole ring is formed by combining 6 fan-shaped blades with the thickness of 0.5mm, and the whole parts are distributed in an up-and-down crossed mode. The rotor assembly 2 is further provided with a washer 25, a screw 26 on the washer 25, a rotor stud 27 and a lock nut 28 for assembling the rotor assembly 2.
The motor is an alternating current permanent magnet synchronous servo motor, the output of different powers can be realized by using the same mounting assembly, the power of the equipment can be adjusted within a certain range only by changing the heights of the stator coil, the rotor and the permanent magnet, and the cost and the manufacturing difficulty are effectively reduced. The rotor adopts the coil winding to produce magnetic field, and the rotor adopts hollow design can with flywheel lug connection, and the stator adopts the permanent magnet as the magnetic conduction original paper, does not have lug connection between the stator and the rotor, adopts the magnetic gap transfer energy, and energy density is high, and the stator does not generate heat, only needs to pay attention to the temperature of stator just can, adds the temperature sensing original paper in the winding of stator and can detect the stator temperature at any time. The motor adopts natural cooling, need not, and water-cooling and air-cooling system are supporting, design to forging with electronic screw press's service environment, are used in on forging with electronic screw press.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Adopt above to combine the drawing description the utility model discloses a forge electronic screw press with servo motor that directly drives of alternating current permanent magnetism, the utility model discloses a motor is the synchronous servo motor of alternating current permanent magnetism, the efficiency of its work can reach 96% -98%, and traditional switched reluctance motor's efficiency only 85% -95%, can show the efficiency that promotes the motor, simultaneously according to forging this special service environment of electronic screw press, natural cooling's radiating mode has been equipped with, compare in traditional water-cooling or air-cooled mode can effectively improve the availability factor of the energy, reach energy saving and emission reduction's purpose, can effectively solve the problem that exists among the prior art, be suitable for and use widely on forging with screw press. The present invention is not limited to the embodiments described, but rather, variations, modifications, substitutions and alterations from the embodiments described herein are possible without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a forge servo direct drive motor of electric screw press with alternating current permanent magnetism which characterized in that: including stator assembly (1) and rotor assembly (2) that the assembly is in the same place, stator assembly (1) is the annular and including fixed clamping ring (11), stator towards piece assembly (12), coil assembly (16) and preceding clamping ring (14), and wherein the below of fixed clamping ring (11) is equipped with the outlet, and the inboard of stator towards piece assembly (12) is equipped with the coil mounting groove, and the outside of stator towards piece assembly (12) is equipped with the natural cooling subassembly, the natural cooling subassembly adopts the structure of radiating fin (17), radiating fin (17) include a plurality of evenly distributed on the outside circumference of stator towards piece assembly (12), and radiating fin (17) carry out effective heat dissipation to stator towards piece assembly (12) when motor work, the top at fixed clamping ring (11) is installed towards piece assembly (12) to stator.
2. The AC permanent magnet servo direct drive motor for the forging electric screw press according to claim 1, wherein: rotor assembly (2) including rotor retainer plate (22), rotor pressure disk (23), separate magnetic ring (24), rotor subassembly (29) and magnetic ring subassembly (21), wherein rotor retainer plate (22) are located the most inboard, rotor pressure disk (23) are located the top of rotor assembly (2), separate magnetic ring (24) and rotor subassembly (29) and magnetic ring subassembly (21) and fix on rotor pressure disk (23) and rotor retainer plate (22), rotor assembly (2) adopt hollow design.
3. The AC permanent magnet servo direct drive motor for the forging electric screw press according to claim 2, wherein: the stator punching sheet assembly (12) and the rotor assembly (29) are both formed by punching silicon steel sheets, one circle of stator punching sheet assembly is formed by combining fan-shaped blades, and the upper part and the lower part of the stator punching sheet assembly adopt a cross distribution structure.
4. The AC permanent magnet servo direct drive motor for the forging electric screw press according to claim 1, wherein: and gaps between the coil assembly (16) and the stator punching sheet assembly (12) are filled with insulating silica gel.
5. The AC permanent magnet servo direct drive motor for the forging electric screw press according to claim 2, wherein: and a fixing bolt hole and a cylindrical pin positioning hole are processed above the rotor fixing ring (22) and are used for connecting the flywheel.
6. The AC permanent magnet servo direct drive motor for the forging electric screw press according to claim 2, wherein: the magnetic ring assembly (21) comprises a plurality of permanent magnets with the same size.
7. The AC permanent magnet servo direct drive motor for the forging electric screw press according to claim 1, wherein: the inner side of the stator assembly (1) is provided with a temperature sensing element for monitoring the temperature of the stator assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222287539.2U CN218124413U (en) | 2022-08-30 | 2022-08-30 | AC permanent magnet servo direct drive motor for forging electric screw press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222287539.2U CN218124413U (en) | 2022-08-30 | 2022-08-30 | AC permanent magnet servo direct drive motor for forging electric screw press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218124413U true CN218124413U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222287539.2U Active CN218124413U (en) | 2022-08-30 | 2022-08-30 | AC permanent magnet servo direct drive motor for forging electric screw press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218124413U (en) |
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2022
- 2022-08-30 CN CN202222287539.2U patent/CN218124413U/en active Active
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