CN217748823U - Direct driving structure of electric servo bending machine - Google Patents
Direct driving structure of electric servo bending machine Download PDFInfo
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- CN217748823U CN217748823U CN202221698601.0U CN202221698601U CN217748823U CN 217748823 U CN217748823 U CN 217748823U CN 202221698601 U CN202221698601 U CN 202221698601U CN 217748823 U CN217748823 U CN 217748823U
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Abstract
The utility model provides an electric servo bender direct drive structure in the technical field of motor drive equipment, including the motor, be equipped with the transmission shaft on the output shaft of motor, the center of transmission shaft is equipped with the trompil, be equipped with the bearing frame on the motor outside the transmission shaft, rotationally connect through rolling bearing between bearing frame and the transmission shaft, the outside one side of transmission shaft is equipped with drive nut, threaded connection has the transfer line on the drive nut, one end of transfer line stretches into the trompil inwards, the other end of transfer line is equipped with the connecting hole, when the output shaft of motor drives the transmission shaft and rotates, the transfer line can reciprocate in the trompil; the utility model discloses response speed is fast, and the transmission is effectual.
Description
Technical Field
The utility model belongs to the technical field of motor drive equipment, in particular to electric servo bender direct drive structure.
Background
With the continuous development of science and technology, the mechanical manufacturing industry is also in continuous technical improvement, and the technical development of bending machines at home and abroad at present is classified into two categories, namely mechanical main transmission and hydraulic main transmission according to the main transmission mode.
The main transmission part of the numerical control bending machine in the prior art generally adopts an electro-hydraulic servo technology, but the electro-hydraulic servo technology has the following defects: 1. the manufacturing cost is high, the hydraulic unit of the domestic hydraulic main transmission system basically depends on import at present, and most of the hydraulic units are imported in a whole set, so the cost is high, and the production period is long; 2. because hydraulic oil is adopted, the hydraulic system has leakage in different degrees, and certain pollution is caused to the environment; 3. the hydraulic cylinder is adopted to realize main transmission, so that the bending mechanism has the characteristic of large bending force, but the working speed cannot be effectively adjusted, and the production efficiency is not high; 4. the noise of the motor and the oil pump is large during operation, and the energy consumption is large.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model discloses a solve the weak point among the prior art, it is big to have solved noise among the prior art, technical problem that transmission efficiency is low provides an electric servo bender direct drive structure, but this device noise reduction, and transmission efficiency is high.
The purpose of the utility model is realized like this: the utility model provides an electricity servo bender direct drive structure, includes the motor, be equipped with the transmission shaft on the output shaft of motor, the center of transmission shaft is equipped with the trompil, the transmission shaft outside be equipped with the bearing frame on the motor, rotationally be connected through rolling bearing between bearing frame and the transmission shaft, the outside one side of transmission shaft is equipped with drive nut, threaded connection has the transfer line on the drive nut, the one end of transfer line stretches into the trompil inwards in, the other end of transfer line is equipped with the connecting hole, and when the output shaft of motor drove the transmission shaft and rotates, the transfer line can reciprocate in the trompil.
The utility model discloses the during operation utilizes the connecting hole to connect and treats drive load, for example: the bending press head of the bending machine acts, the rotation of the output shaft of the motor drives the transmission shaft, the position of the bearing seat is fixed, under the transmission action of the rotating bearing, the transmission shaft and the inner ring of the rotating bearing rotate along with the output shaft of the motor, the transmission nut rotates along with the transmission shaft, and when the transmission nut rotates, as the transmission rod is in threaded connection with the transmission nut, the transmission rod can be driven to move up and down in the hole, namely, the bending machine head on the transmission rod can move up and down along with the movement of the transmission rod, so that the work of the bending machine head is realized; compared with the prior art, the beneficial effects of the utility model reside in that: the transmission shaft, the bearing seat, the transmission nut and the transmission rod are jointly arranged, so that the corresponding speed is high, the transmission efficiency is high, and the noise is low; the driving device can be applied to the driving work of the electric servo bending machine.
In order to realize the rotatable connection between transmission shaft and the bearing frame, be equipped with spacing rank one on the transmission shaft, the suit has spacing rank two on the transmission shaft, rolling bearing is equipped with at least two, rolling bearing sets up on the transmission shaft between spacing rank one and spacing rank two, be equipped with spacing boss on the bearing frame, be close to the motor rolling bearing's outer lane compresses tightly on spacing boss, is close to the motor rolling bearing's inner circle compresses tightly on spacing rank two, keeps away from the motor rolling bearing's inner circle is contradicted on spacing rank one.
As a further improvement of the utility model, still include the gland, the gland is in the outside of bearing frame through bolted connection, the gland will be in the outside rolling bearing's outer lane compresses tightly.
In order to realize the connection of the transmission shaft and the output shaft of the motor, the output shaft of the motor is connected with an expansion sleeve, and the transmission shaft is fixed on the output shaft of the motor through the expansion sleeve.
As a further improvement, the gland is provided with a sealing groove, a first sealing ring is arranged in the sealing groove, and the first sealing ring is arranged between the gland and the transmission shaft.
As a further improvement, the one end that the bearing frame is close to the motor is opened there is the draw-in groove, be equipped with sealing washer two in the draw-in groove, sealing washer two is between bearing frame and transmission shaft.
Drawings
Fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a schematic view of the connection between the middle transmission shaft and the bearing seat of the present invention.
Fig. 3 is a schematic perspective view of the present invention.
Fig. 4 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises a motor, a 101 output shaft, 2 transmission shafts, 201 holes, 202 limit steps I, 203 limit steps II, 3 bearing seats, 301 limit bosses, 302 clamping grooves, 4 rotating bearings, 5 transmission nuts, 6 transmission rods, 601 connecting holes, 7 pressing covers, 701 sealing grooves, 8 bolts, 9 expansion sleeves, 10 sealing rings I and 11 sealing rings II.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, a direct driving structure of an electric servo bending machine includes a motor 1 and a gland 7, a transmission shaft 2 is disposed on an output shaft 101 of the motor 1, an expansion sleeve 9 is connected to the output shaft 101 of the motor 1, the transmission shaft 2 is fixed to the output shaft 101 of the motor 1 through the expansion sleeve 9, a hole 201 is disposed in the center of the transmission shaft 2, a bearing seat 3 is disposed on the motor 1 outside the transmission shaft 2, the bearing seat 3 is rotatably connected to the transmission shaft 2 through a rotating bearing 4, a transmission nut 5 is disposed on an outward side of the transmission shaft 2, a transmission rod 6 is connected to the transmission nut 5 through a thread, one end of the transmission rod 6 extends inwards into the hole 201, a connection hole 601 is disposed at the other end of the transmission rod 6, when the output shaft 101 of the motor 1 drives the transmission shaft 2 to rotate, the transmission rod 6 can move up and down in the opening 201, a first limiting step 202 is arranged on the transmission shaft 2, a second limiting step 203 is sleeved on the transmission shaft 2, at least two rotating bearings 4 are arranged, the rotating bearings 4 are arranged on the transmission shaft 2 between the first limiting step 202 and the second limiting step 203, a limiting boss 301 is arranged on the bearing seat 3, the outer ring of the rotating bearing 4 close to the motor 1 is pressed on the limiting boss 301, the inner ring of the rotating bearing 4 close to the motor 1 is pressed on the second limiting step 203, the inner ring of the rotating bearing 4 far away from the motor 1 is abutted against the first limiting step 202, the gland 7 is connected to the outer side of the bearing seat 3 through a bolt 8, the gland 7 presses the outer ring of the rotating bearing 4 on the outermost side, a sealing groove 701 is formed in the gland 7, a first sealing ring 10 is arranged in the sealing groove 701, the first sealing ring 10 is arranged between the gland 7 and the transmission shaft 2, a clamping groove 302 is formed in one end, a second sealing ring 11 is arranged in the bearing seat 3, and the second sealing ring 11 is arranged between the bearing seat 3 and the transmission shaft 2.
The utility model discloses in, the nut for antifriction bearing is preferred to spacing rank two, and the during operation utilizes connecting hole 601 to connect and treats drive load, for example: the bending press head of the bending machine, the motor 1 acts, the rotation of the output shaft 101 of the motor 1 drives the transmission shaft 2, the position of the bearing seat 3 is fixed, under the transmission action of the rotating bearing 4, the transmission shaft 2 and the inner ring of the rotating bearing 4 rotate along with the output shaft 101 of the motor 1, the first limit step 202, the second limit step 203 and the limit boss 301 are arranged, the rotating bearing 4 is firmly limited between the transmission shaft 2 and the bearing seat 3 and cannot be loosened, the transmission nut 5 rotates along with the transmission shaft 2, when the transmission nut 5 rotates, the transmission rod 6 can be driven to move up and down in the opening 201 due to the threaded connection between the transmission rod 6 and the transmission nut 5, namely, the bending machine head on the transmission rod 6 can move up and down along with the movement of the transmission rod 6, and the work of the bending machine head is realized; the utility model has the advantages that the combination of the middle transmission shaft 2, the bearing seat 3, the transmission nut 5 and the transmission rod 6 has fast response speed, high transmission efficiency and low noise; the driving device can be applied to the driving work of the electric servo bending machine.
The present invention is not limited to the above-mentioned examples, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides an electric servo bender direct drive structure which characterized in that: the motor comprises a motor, be equipped with the transmission shaft on the output shaft of motor, the center of transmission shaft is equipped with the trompil, the transmission shaft outside be equipped with the bearing frame on the motor, rotationally be connected through rolling bearing between bearing frame and the transmission shaft, the outside one side of transmission shaft is equipped with drive nut, threaded connection has the transfer line on the drive nut, the one end of transfer line stretches into in the trompil inwards, the other end of transfer line is equipped with the connecting hole, and when the output shaft of motor drove the transmission shaft and rotates, the transfer line can reciprocate in the trompil.
2. The direct drive structure of the electric servo bending machine according to claim 1, characterized in that: the bearing seat is provided with a limiting boss, an outer ring of the rotating bearing close to the motor is tightly pressed on the limiting boss, an inner ring of the rotating bearing close to the motor is tightly pressed on the limiting step two, and an inner ring of the rotating bearing far away from the motor is abutted against the limiting step one.
3. The direct drive structure of the electric servo bending machine according to claim 2, wherein: the bearing seat is characterized by further comprising a gland, the gland is connected to the outer side of the bearing seat through bolts, and the outer ring of the rotating bearing on the outermost side is compressed by the gland.
4. The direct drive structure of the electric servo bending machine according to claim 3, wherein: the output shaft of the motor is connected with an expansion sleeve, and the transmission shaft is fixed on the output shaft of the motor through the expansion sleeve.
5. The direct drive structure of the electric servo bending machine according to claim 4, wherein: the gland is provided with a sealing groove, a first sealing ring is arranged in the sealing groove, and the first sealing ring is arranged between the gland and the transmission shaft.
6. The direct drive structure of the electric servo bending machine according to any one of claims 1 to 5, wherein: and a clamping groove is formed in one end, close to the motor, of the bearing seat, a second sealing ring is arranged in the clamping groove, and the second sealing ring is arranged between the bearing seat and the transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221698601.0U CN217748823U (en) | 2022-07-04 | 2022-07-04 | Direct driving structure of electric servo bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221698601.0U CN217748823U (en) | 2022-07-04 | 2022-07-04 | Direct driving structure of electric servo bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217748823U true CN217748823U (en) | 2022-11-08 |
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ID=83896249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221698601.0U Active CN217748823U (en) | 2022-07-04 | 2022-07-04 | Direct driving structure of electric servo bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217748823U (en) |
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2022
- 2022-07-04 CN CN202221698601.0U patent/CN217748823U/en active Active
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