CN214977457U - Intelligent direct-drive numerical control electric screw press - Google Patents
Intelligent direct-drive numerical control electric screw press Download PDFInfo
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- CN214977457U CN214977457U CN202121210144.1U CN202121210144U CN214977457U CN 214977457 U CN214977457 U CN 214977457U CN 202121210144 U CN202121210144 U CN 202121210144U CN 214977457 U CN214977457 U CN 214977457U
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Abstract
The utility model relates to an electronic screw press of intelligence direct drive formula numerical control belongs to forging and pressing equipment technical field, which comprises a frame, the top of frame is fixed with motor support, fixed mounting has stator base on the motor support, install stator core on the stator base, be equipped with permanent magnet rotor in the stator core, permanent magnet rotor fixedly connected with flywheel body, be fixed with the main screw rod in the middle of the flywheel body, the main screw rod lower extreme is connected with the nut, the nut outside is fixed with the slider, slider upper portion outside cover has the guide pin bushing, the top of guide pin bushing is equipped with closed oil pocket, processing has the guide rail installation face of X shape in the frame, the slider contacts with the guide rail installation face of frame, its contact surface also is the X shape, the contact surface of slider cooperatees with the guide rail installation face of frame and constitutes the X direction. The utility model discloses it is shorter to have response time, and the higher characteristic of precision does not have the torque ripple problem. The service life of the screw and the nut is greatly prolonged. The press is more stable in working and has stronger unbalance loading resistance.
Description
Technical Field
The utility model belongs to the technical field of the forging equipment, concretely relates to electronic screw press of formula numerical control is directly driven to intelligence.
Background
At present, along with the upgrading of new and old kinetic energy conversion, the industrial automation degree is higher and higher, the requirements on the control precision and the production efficiency of mechanical equipment are higher and higher, the traditional electric screw press can not meet the requirements of accurate control of customers gradually, for example, the structure of the direct-drive electric screw press with the patent application number of 201520762304.1 is that a motor with low rotating speed and large torque is used for connecting a screw rod with a motor rotor through a coupler, the driving motor with the structure is a switched reluctance motor, the motor has the defects of weaker control precision and low-speed torque pulsation, the strength requirement on the coupler is higher, the coupler is easy to damage, the driving motor needs to be detached for each replacement, and the maintenance is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electronic screw press of formula numerical control is directly driven to intelligence has solved the not high, torque pulsation, lubricated difficulty of numerical control precision, the screw rod is longe-lived, the poor problem of guiding ability.
The utility model relates to an electronic screw press of intelligence direct drive formula numerical control, which comprises a frame, the top of frame is fixed with motor support, fixed mounting has stator base on the motor support, install stator core on the stator base, be equipped with permanent magnet rotor in the stator core, permanent magnet rotor fixedly connected with flywheel body, be fixed with the main screw rod in the middle of the flywheel body, the main screw rod lower extreme is connected with the nut, the nut outside is fixed with the slider, slider upper portion outside cover has the guide pin bushing, the top of guide pin bushing is equipped with closed oil pocket, processing has the guide rail installation face of X shape in the frame, the slider contacts with the guide rail installation face of frame, its contact surface also is the X shape, the contact surface of slider cooperatees with the guide rail installation face of frame and constitutes the X direction. The bottom of the sliding block can be fixedly provided with an upper pressing die through a bolt, and a lower pressing die is fixedly arranged on the machine frame below the upper pressing die.
A brake for braking the flywheel body is fixed on the motor bracket. The brake can be quickly braked.
The machine frame comprises a bottom frame and an upper cross beam, the bottom frame and the upper cross beam are fixedly connected through a stand column, a closed oil cavity is arranged in the upper cross beam, a mounting hole for mounting a guide sleeve is formed in the bottom of the closed oil cavity, a lower end cover is arranged at the bottom of the guide sleeve, and a sealing ring is arranged between the lower end cover and a sliding block. The lubricating oil can be enclosed in an enclosed oil cavity,
the upper end of the main screw rod penetrates out of the closed oil cavity, a sealing gasket is arranged at the top of the main screw rod and the top of the closed oil cavity, and a locking nut is arranged at the top of the main screw rod. The sealing performance is better.
And a sealing cover is arranged above the main screw rod and fixed at the top of the stator base. The main screw rod can not be exposed outside and is not easy to be polluted by dust.
Compared with the prior art, the utility model has the advantages of:
this direct-drive numerical control electric screw press's driving motor rotor and flywheel structure as an organic whole has cancelled traditional electric screw's middle transmission link, and the driving chain is short to optimize and cancelled the shaft coupling link in the direct-drive electric screw press who adopts the coupling joint before, and servo motor compares switched reluctance motor and has the response time shorter, and the higher characteristic of precision does not have the torque pulsation problem. The screw rod and the nut are soaked in oil by arranging the closed oil cavity, and the design greatly prolongs the service life of the screw rod and the nut. The upper end of the sliding block is circular, the lower end of the guide sleeve is of an X-shaped guide structure, so that the press is more stable in working, and the eccentric load resistance is higher.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of a slider;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
in the figure: 1. the flywheel comprises a stator base, 2, a stator core, 3, a permanent magnet rotor, 4, a flywheel body, 5, a motor support, 6, a frame, 7, a main screw, 8, a brake, 9, a locking screw cap, 10, a nut, 11, a sliding block, 12, a guide rail mounting surface, 13, a guide sleeve, 14, a sealing ring, 15, a closed oil cavity, 16, a sealing gasket, 17, a lower end cover, 18, an upper cross beam, 19 and a closed cover.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in figures 1 to 3, the utility model relates to an intelligent direct-drive numerical control electric screw press, which comprises a frame 6, a motor bracket 5 is fixed on the top of the frame 6, a stator base 1 is fixedly arranged on the motor bracket 5, a stator core 2 is arranged on the stator base 1, a permanent magnet rotor 3 is arranged in the stator core 2, the permanent magnet rotor 3 is fixedly connected with a flywheel body 4, a main screw 7 is fixed in the middle of the flywheel body 4, the lower end of the main screw 7 is connected with a nut 10, a slide block 11 is fixed on the outer side of the nut 10, a guide sleeve 13 is sleeved on the outer side of the upper part of the slide block 11, a closed oil cavity 15 is arranged above the guide sleeve 13, an X-shaped guide rail mounting surface 12 is processed on the frame 6, the slide block 11 is contacted with the guide rail mounting surface 12 of the frame 6, the contact surface is also X-shaped, and the contact surface of the sliding block 11 is matched with the guide rail mounting surface 12 of the frame 6 to form X-shaped guide to prevent the sliding block from rotating.
A brake 8 for braking the flywheel body 4 is fixed on the motor bracket 5. The brake 8 with the brake function is installed and used for braking the outer circle side of the flywheel body 4 in a brake mode, and after the brake 8 is started, the flywheel body 4 is braked, so that the rotation of the main screw 7 is braked.
The machine frame 6 comprises a bottom frame and an upper cross beam 18, the bottom frame and the upper cross beam 18 are fixedly connected through a stand column, a closed oil cavity 15 is arranged in the upper cross beam 18, a mounting hole for mounting a guide sleeve 13 is formed in the bottom of the closed oil cavity 15, a lower end cover 17 is arranged at the bottom of the guide sleeve 13, and a sealing ring 14 is arranged between the lower end cover 17 and a sliding block 11.
The upper end of the main screw 7 penetrates out of the closed oil cavity 15, the top parts of the main screw 7 and the closed oil cavity 15 are provided with sealing gaskets 16, and the top part of the main screw 7 is provided with a locking screw cap 9.
A sealing cover 19 is arranged above the main screw 7, and the sealing cover 19 is fixed on the top of the stator base 1. The driving motor is a low-speed large-torque permanent magnet servo motor and comprises a stator assembly, a rotor and a driver. The stator assembly is fixed on the top of the frame 6 and positioned on the upper part of the flywheel body 4, the flywheel body 4 adopts a large-inertia flywheel design, and an inner hole is positioned and connected with the main screw 7 by a positioning pin. The main screw 7 is connected with the nut 10 through a screw pair, the nut 10 is pressed in an inner hole in the top of the sliding block 11, and the inner hole is a blind hole. Lubricating oil is injected into the closed oil cavity 15 to form an oil chamber, and the main screw 7 and the nut 10 can be always soaked in the oil pool to play roles of lubricating, radiating and sealing.
When the device works, corresponding upper and lower pressing dies are arranged at the bottom of the sliding block 11 and on the rack 6 below the sliding block, and the flywheel body 4 is driven to rotate by controlling the movement of the permanent magnet rotor 3 of the permanent magnet synchronous servo motor so as to drive the main screw 7 to rotate, so that the sliding block 11 is directly driven to do up-and-down striking motion on the track of the rack 6. When the slide block 11 strikes the workpiece, the energy stored in the permanent magnet rotor 3 is converted into huge pressure to shape the workpiece. After the striking is finished, the driving motor enables the main screw 7 to rotate reversely, the main screw 7 drives the sliding block 11 to ascend and return to the original position, and a working cycle is completed.
To sum up, the utility model discloses a driving motor rotor and flywheel structure as an organic whole have cancelled traditional electric screw's middle transmission link, and the driving chain is short to optimize the shaft coupling link in the direct drive formula electric screw press who adopts the coupling joint before having cancelled, and servo motor compares switched reluctance motor and has the response time shorter, and the higher characteristic of precision does not have the torque pulsation problem. The screw rod and the nut are soaked in oil by arranging the closed oil cavity, and the design greatly prolongs the service life of the screw rod and the nut. The upper end of the sliding block is circular, the lower end of the guide sleeve is of an X-shaped guide structure, so that the press is more stable in working, and the eccentric load resistance is higher.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Claims (5)
1. The utility model provides an electronic screw press of intelligence direct-driven numerical control, includes frame (6), and the top of frame (6) is fixed with motor support (5), and fixed mounting has stator base (1) on motor support (5), installs stator core (2) on stator base (1), is equipped with permanent magnet rotor (3), its characterized in that in stator core (2): the permanent magnet rotor (3) is fixedly connected with a flywheel body (4), a main screw (7) is fixed in the middle of the flywheel body (4), a nut (10) is connected to the lower end of the main screw (7), a sliding block (11) is fixed on the outer side of the nut (10), a guide sleeve (13) is sleeved on the outer side of the upper portion of the sliding block (11), a closed oil cavity (15) is arranged above the guide sleeve (13), an X-shaped guide rail mounting surface (12) is processed on the rack (6), the sliding block (11) is in contact with the guide rail mounting surface (12) of the rack (6), the contact surface of the sliding block (11) is also in an X shape, and the contact surface of the sliding block (11) is matched with the guide rail mounting surface (12) of the rack (6) to form X-direction.
2. The intelligent direct-drive numerical control electric screw press according to claim 1, characterized in that: a brake (8) for braking the flywheel body (4) is fixed on the motor bracket (5).
3. The intelligent direct-drive numerical control electric screw press according to claim 2, characterized in that: the machine frame (6) comprises a bottom frame and an upper cross beam (18), the bottom frame and the upper cross beam (18) are fixedly connected through a stand column, a closed oil cavity (15) is arranged in the upper cross beam (18), a mounting hole for mounting a guide sleeve (13) is formed in the bottom of the closed oil cavity (15), a lower end cover (17) is arranged at the bottom of the guide sleeve (13), and a sealing ring (14) is arranged between the lower end cover (17) and a sliding block (11).
4. The intelligent direct-drive numerical control electric screw press according to claim 3, characterized in that: the upper end of the main screw rod (7) penetrates out of the closed oil cavity (15), a sealing gasket (16) is arranged at the top of the main screw rod (7) and the top of the closed oil cavity (15), and a locking screw cap (9) is arranged at the top of the main screw rod (7).
5. The intelligent direct-drive numerical control electric screw press according to claim 4, characterized in that: a sealing cover (19) is arranged above the main screw rod (7), and the sealing cover (19) is fixed at the top of the stator base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121210144.1U CN214977457U (en) | 2021-06-01 | 2021-06-01 | Intelligent direct-drive numerical control electric screw press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121210144.1U CN214977457U (en) | 2021-06-01 | 2021-06-01 | Intelligent direct-drive numerical control electric screw press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214977457U true CN214977457U (en) | 2021-12-03 |
Family
ID=79085226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121210144.1U Active CN214977457U (en) | 2021-06-01 | 2021-06-01 | Intelligent direct-drive numerical control electric screw press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214977457U (en) |
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2021
- 2021-06-01 CN CN202121210144.1U patent/CN214977457U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent direct-drive CNC electric screw press Effective date of registration: 20230116 Granted publication date: 20211203 Pledgee: Zibo Zichuan District sub branch of China Post Savings Bank Co.,Ltd. Pledgor: Shandong Shengde Intelligent Equipment Co.,Ltd. Registration number: Y2023980030770 |