CN203751461U - Transmission structure of electro-discharge working machine - Google Patents
Transmission structure of electro-discharge working machine Download PDFInfo
- Publication number
- CN203751461U CN203751461U CN201420164123.4U CN201420164123U CN203751461U CN 203751461 U CN203751461 U CN 203751461U CN 201420164123 U CN201420164123 U CN 201420164123U CN 203751461 U CN203751461 U CN 203751461U
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- China
- Prior art keywords
- screw rod
- face
- retainer
- electro
- bearing
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- Expired - Fee Related
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Abstract
The utility model provides a transmission structure of an electro-discharge working machine. The transmission structure comprises an upper end moving device and a base, linear guide grooves of two sides of the bottom end of the upper end moving device are designed in linear guide ways of two corresponding sides of the base in a clamping mode, a threaded rod which is parallel to the linear guide ways is arranged on the upper end face of the base, two ends of the threaded rod are supported on corresponding transmission seat and bearing seat respectively, screw nuts sleeve the threaded rod, the bottom of the upper end moving device is fastened by the screw nuts, and the transmission seat is fastened on one side end face of the base. The transmission structure of the electro-discharge working machine is characterized in that one end of the threaded rod, which protrudes from the transmission seat, is connected with an output end of a motor through a coupler, DFD three-column combined angular contact bearings are disposed in a seat hole of the transmission seat, and DF double-column paired duplex angular contact bearings are disposed in the bearing seat which the threaded rod corresponds to. By means of the transmission structure of the electro-discharge working machine, mechanical deformation caused by servo driving can be effectively reduced, bearing back clearance can be reduced to the maximum degree, the transmission structure is suitable for high-effect electro-discharge machining, the electro-discharge stability of the electro-discharge working machine is improved, and the service life of the electro-discharge working machine is prolonged.
Description
Technical field
The utility model relates to the technical field of structures of discharging processing machine, is specially a kind of drive mechanism of discharging processing machine.
Background technology
The drive mechanism of existing discharging processing machine, is all the duplex bearing design that adopts one group of DF combination, and the other end uses single-groove grooved ball bearing to hold, and this method is simple, with low cost, has a surplus fully for the discharging processing machine structure of general low order.
But for high performance discharging processing machine, move back and forth frequently because require, with the Acceleration Control being exceedingly fast, can cause moment acceleration and deceleration time, back clearance is excessive, in temperature, the dark problem such as fast, causes discharge instability and service life short, and performance is not good, especially install after optical ruler, the resonance problem that closed-loop control produces is obvious especially.
Summary of the invention
For the problems referred to above, the utility model provides a kind of drive mechanism of discharging processing machine, it can effectively reduce the mechanical modification that servo drive causes, amplitude peak reduces bearing back clearance, adapt to dynamical electric discharge processing, discharge stability and the service life of improving discharging processing machine, be especially applied in high-precision closed-loop control, more can improve the stability of a system.
A kind of drive mechanism of discharging processing machine, its technical scheme is such: it comprises upper end mobile device, base, the line channel of the both sides, bottom of described upper end mobile device is installed in the both sides line slideway that described base is corresponding, the upper surface of described base is furnished with the screw rod that is parallel to described line slideway, the two ends of described screw rod are supported on respectively corresponding retainer, bearing block, nut sleeve is loaded on described screw rod, the bottom of described upper end mobile device is anchored on described nut, described retainer is anchored on a side end face of described base, it is characterized in that: described screw rod evagination connects the output of motor by shaft coupling in one end of retainer, in the seat hole of described retainer, be provided with DFD tri-row combination angle contact bearings, in the corresponding described bearing block of described screw rod, be furnished with the paired duplex angular contact bearing of DF biserial.
It is further characterized in that: the inner face of the outer face away from described motor of described retainer, the close described motor of described bearing block is all furnished with bumper, between the inner ring surface of described bumper and described screw rod, leaves gap;
The rear end face of described bearing block has mounted cover bearing gland by lock nut, between the rear end face of the front end face of described bearing gland and the paired duplex angular contact bearing of described DF biserial, is provided with spacer ring;
The front end face in the seat hole of described retainer has mounted cover a hole bearing gland by lock nut, between the rear end face of the front end face of described DFD tri-row combination angle contact bearings and described seat hole bearing gland, is provided with spacer ring;
The outer end inner ring surface away from described motor in the seat hole of described retainer is furnished with screw rod oil sealing, described screw rod oil-sealing sleeve is loaded on described screw rod, the outer rim side face of described screw rod oil sealing is close to the outer end inner ring surface in the seat hole of described retainer, and described screw rod oil sealing is positioned at the installation cavity forming between the bumper of seat hole, correspondence position of described retainer;
The outer end inner ring surface of the close described motor of described bearing block is furnished with screw rod oil sealing, described screw rod oil-sealing sleeve is loaded on described screw rod, the outer rim side face of described screw rod oil sealing is close to described bearing block outer end inner ring surface, and described screw rod oil sealing is positioned at the installation cavity forming between the bumper of described bearing block, correspondence position;
In the nested front end locating hole that is loaded on described retainer of front end of described motor.
Adopt after structure of the present utility model, because the two ends of screw rod are respectively arranged with DFD tri-row combination angle contact bearings, the paired duplex angular contact bearing of DF biserial, and coordinate seat hole and the bearing block of the fixing retainer of center of gravity, can effectively reduce the mechanical modification that servo drive causes, amplitude peak reduces bearing back clearance, adapts to dynamical electric discharge processing, discharge stability and the service life of improving discharging processing machine, especially be applied in high-precision closed-loop control, more can improve the stability of a system.
Brief description of the drawings
Fig. 1 is stereogram structural representation of the present utility model;
Fig. 2 is the mounting structure cutaway view of screw rod of the present utility model, retainer, bearing block, motor.
Detailed description of the invention
A kind of drive mechanism of discharging processing machine, see Fig. 1, Fig. 2: it comprises upper end mobile device 1, base 2, the line channel 3 of the both sides, bottom of upper end mobile device 1 is installed in the both sides line slideway 4 of base 2 correspondences, the upper surface of base 2 is furnished with the screw rod 5 that is parallel to line slideway 4, the two ends of screw rod 5 are supported on respectively corresponding retainer 6, bearing block 7, nut 8 is set in screw rod 5, the bottom of upper end mobile device 1 is anchored on nut 8, retainer 6 is anchored on a side end face of base 2, screw rod 5 evaginations connect the output of motor 10 by shaft coupling 9 in one end of retainer 6, in the seat hole 11 of retainer 6, be provided with DFD tri-row combination angle contact bearings 12, in the corresponding bearing block 7 of screw rod 5, be furnished with the paired duplex angular contact bearing 13 of DF biserial.
The inner face of the outer face away from motor 10 of retainer 6, close electric 10 machines of bearing block 7 is all furnished with bumper 14, between the inner ring surface of bumper 14 and screw rod 5, leaves gap;
The outer end inner ring surface away from motor 10 in the seat hole 11 of retainer 6 is furnished with screw rod oil sealing 15, screw rod oil sealing 15 is set in screw rod 5, the outer rim side face of screw rod oil sealing 15 is close to the outer end inner ring surface in the seat hole 11 of retainer 6, and screw rod oil sealing 15 is positioned at the installation cavity of 14 formation of bumper of seat hole 11, the correspondence position of retainer 6; Thereby guarantee not can leakage of oil retainer 6 inside DFD tri-row combination angle contact bearings 12 obtain sufficient lubrication.
The end inner ring surface of the close motor 10 of bearing block 7 is furnished with screw rod oil sealing 15, screw rod oil sealing 15 is set in screw rod 5, the outer rim side face of screw rod oil sealing 15 is close to bearing block 7 outer end inner ring surfaces, and screw rod oil sealing 15 is positioned at the installation cavity of 14 formation of bumper of bearing block 7, correspondence position; Thereby guarantee not can leakage of oil bearing block 7 inside the paired duplex angular contact bearing 13 of DF biserial obtain sufficient lubrication.
The rear end face of bearing block 7 has mounted cover bearing gland 17 by lock nut 16, and lock nut 16 is set in screw rod 5, between the rear end face of the front end face of bearing gland 17 and the paired duplex angular contact bearing 13 of DF biserial, is provided with spacer ring 18; The front end face in the seat hole 11 of retainer 6 has mounted cover a hole bearing gland 19 by lock nut 16, and lock nut 16 is set in screw rod 5, between the rear end face of the front end face of DFD tri-row combination angle contact bearings 12 and seat hole bearing gland 19, is provided with spacer ring 18; Can there are not axial collision or wearing and tearing in the corresponding carrier of guaranteeing bearing and corresponding installation cavity.
In the nested front end locating hole 20 that is loaded on retainer 6 of front end of motor 10, it makes motor 10 be supported on retainer 6.
Its operation principle is as follows: because the two ends of screw rod 5 are respectively arranged with DFD tri-row combination angle contact bearings 12, the paired duplex angular contact bearing 13 of DF biserial, and coordinate seat hole and the bearing block 1 of the fixing retainer 6 of center of gravity, can effectively reduce the mechanical modification that servo drive causes, amplitude peak reduces bearing back clearance, adapt to dynamical electric discharge processing, discharge stability and the service life of improving discharging processing machine, be especially applied in high-precision closed-loop control, more can improve the stability of a system.
Claims (7)
1. the drive mechanism of a discharging processing machine, it comprises upper end mobile device, base, the line channel of the both sides, bottom of described upper end mobile device is installed in the both sides line slideway that described base is corresponding, the upper surface of described base is furnished with the screw rod that is parallel to described line slideway, the two ends of described screw rod are supported on respectively corresponding retainer, bearing block, nut sleeve is loaded on described screw rod, the bottom of described upper end mobile device is anchored on described nut, described retainer is anchored on a side end face of described base, it is characterized in that: described screw rod evagination connects the output of motor by shaft coupling in one end of retainer, in the seat hole of described retainer, be provided with DFD tri-row combination angle contact bearings, in the corresponding described bearing block of described screw rod, be furnished with the paired duplex angular contact bearing of DF biserial.
2. the drive mechanism of a kind of discharging processing machine as claimed in claim 1, it is characterized in that: the inner face of the outer face away from described motor of described retainer, the close described motor of described bearing block is all furnished with bumper, between the inner ring surface of described bumper and described screw rod, leaves gap.
3. the drive mechanism of a kind of discharging processing machine as claimed in claim 2, it is characterized in that: the rear end face of described bearing block has mounted cover bearing gland by lock nut, between the rear end face of the front end face of described bearing gland and the paired duplex angular contact bearing of described DF biserial, be provided with spacer ring.
4. the drive mechanism of a kind of discharging processing machine as claimed in claim 3, it is characterized in that: the front end face in the seat hole of described retainer has mounted cover a hole bearing gland by lock nut, between the rear end face of the front end face of described DFD tri-row combination angle contact bearings and described seat hole bearing gland, be provided with spacer ring.
5. the drive mechanism of a kind of discharging processing machine as claimed in claim 4, it is characterized in that: the outer end inner ring surface away from described motor in the seat hole of described retainer is furnished with screw rod oil sealing, described screw rod oil-sealing sleeve is loaded on described screw rod, the outer rim side face of described screw rod oil sealing is close to the outer end inner ring surface in the seat hole of described retainer, and described screw rod oil sealing is positioned at the installation cavity forming between the bumper of seat hole, correspondence position of described retainer.
6. the drive mechanism of a kind of discharging processing machine as claimed in claim 4, it is characterized in that: the outer end inner ring surface of the close described motor of described bearing block is furnished with screw rod oil sealing, described screw rod oil-sealing sleeve is loaded on described screw rod, the outer rim side face of described screw rod oil sealing is close to described bearing block outer end inner ring surface, and described screw rod oil sealing is positioned at the installation cavity forming between the bumper of described bearing block, correspondence position.
7. the drive mechanism of a kind of discharging processing machine as claimed in claim 1, is characterized in that: in the nested front end locating hole that is loaded on described retainer of front end of described motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164123.4U CN203751461U (en) | 2014-04-04 | 2014-04-04 | Transmission structure of electro-discharge working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164123.4U CN203751461U (en) | 2014-04-04 | 2014-04-04 | Transmission structure of electro-discharge working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203751461U true CN203751461U (en) | 2014-08-06 |
Family
ID=51246772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420164123.4U Expired - Fee Related CN203751461U (en) | 2014-04-04 | 2014-04-04 | Transmission structure of electro-discharge working machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203751461U (en) |
-
2014
- 2014-04-04 CN CN201420164123.4U patent/CN203751461U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20190404 |