CN208322711U - A kind of numerically-controlled machine tool supporting plate assembly - Google Patents
A kind of numerically-controlled machine tool supporting plate assembly Download PDFInfo
- Publication number
- CN208322711U CN208322711U CN201820438532.7U CN201820438532U CN208322711U CN 208322711 U CN208322711 U CN 208322711U CN 201820438532 U CN201820438532 U CN 201820438532U CN 208322711 U CN208322711 U CN 208322711U
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- CN
- China
- Prior art keywords
- supporting plate
- fixed block
- lead screw
- nut
- numerically
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- Expired - Fee Related
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Abstract
The utility model discloses numerically-controlled machine tool supporting plate assemblies, and including lower pallet and the upper pallet structure being arranged on lower pallet, upper pallet structure includes pop-up grillage, screw nut driven mechanism and upper pallet, and upper pallet is connect by stress eliminating device with nut seat；Stress eliminating device includes fixed block and movable block, and fixed block is fixed on the back side of supporting plate perpendicular to lead screw axis direction；Guide groove, the shape and fixed block shape adaptation of guide groove are equipped on movable block, fixed block is connected in guide groove, and can be reciprocatingly slided before and after guide groove；At least two guide posts, guide post is equipped in the bottom of movable block to be inserted in the pilot hole on nut seat, and can be moved up and down in pilot hole.The utility model between supporting plate and nut seat by being arranged stress eliminating device; no matter how pallet guide pair deforms and wears; feed screw nut can be maintained in lead screw stress free position, protection lead screw is not forced bending, reduces lead screw, bearing damage or motor and burns phenomenon.
Description
Technical field
The present invention relates to machine tool field, in particular to a kind of numerically-controlled machine tool supporting plate assembly.
Background technique
Existing numerically-controlled machine tool is fixed with nut bracket on the bottom surface of supporting plate, and nut is fixed on nut bracket, nut with
Lead screw connection.Supporting plate is equipped with guideway, and supporting plate is realized by lead screw and moved back and forth.This structure needs accurately during installation
The position precision in each orientation up and down is calculated and adjusts out, and many places such as lead screw and guide rail need to debug repeatedly, slightly not
Standard can not just work, time-consuming, labour-consuming, laborious.Due to the presence of foozle, even if accurate installation, lead screw also certainly exist change
Shape and stress.Meanwhile the reciprocating motion of supporting plate for a long time causes the abrasion and deformation of guideway.The abrasion and deformation of guideway cause
Supporting plate center and lead screw center change, thus are deformed stress or even lead screw fracture.Lead screw distortional stress
The lathe supporting plate resistance of motion is caused to increase, resistance of motion increase may cause that bearing is stuck, servo motor is burnt, and lathe is unable to work
Make.
Summary of the invention
The purpose of the invention is to overcome the above problem, a kind of numerically-controlled machine tool supporting plate assembly is provided.
In order to achieve the above objectives, the method that the present invention uses is: a kind of numerically-controlled machine tool supporting plate assembly, including lower pallet and
Upper pallet structure on lower pallet is set, the upper pallet structure includes pop-up grillage, screw nut driven mechanism and
Upper pallet, the upper pallet are connect by stress eliminating device with the nut seat in screw nut driven mechanism；Described answers
Force eliminating device includes fixed block and movable block, and fixed block is fixed on the back side of supporting plate perpendicular to lead screw axis direction；Institute
The movable block stated is equipped with guide groove, the shape and fixed block shape adaptation of guide groove, and fixed block is connected in guide groove, and can
It reciprocatingly slides before and after guide groove；At least two guide posts, guide post is equipped in the bottom of the movable block to be inserted on nut seat
Pilot hole in, and can be moved up and down in pilot hole.
As an improvement of the present invention, the dovetail between the fixed block and the movable block by being adapted to each other
Slot connection.
As an improvement of the present invention, it is connected by screw between the fixed block and the supporting plate.
As an improvement of the present invention, the guide post is provided with 2 two.
As an improvement of the present invention, perforation is provided with nut in the nut seat, and lead screw passes through nut bore, and with
Nut engagement.
As an improvement of the present invention, the two sides of pop-up grillage are provided with bearing, the both ends difference of the lead screw
It is arranged on the bearing, is also connected to the motor by shaft coupling in lead screw one end therein.
The utility model has the advantages that
A kind of numerically-controlled machine tool supporting plate assembly provided by the invention is filled by the way that stress elimination is arranged between supporting plate and nut seat
It sets, no matter how pallet guide pair deforms and wear, and can be maintained at feed screw nut in lead screw stress free position, protects lead screw
It is not forced bending, reduces lead screw, bearing damage or motor and burns phenomenon.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Each component in Fig. 1 are as follows: 1, motor, 2, pop-up grillage, 3, shaft coupling, 4, nut, 5, bearing, 6, lead screw, 7, pop-up
Plate, 8, movable block, 9, fixed block, 10 nut seats.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, and the present embodiment is with technical solution of the present invention
Premised under implemented, it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
Embodiment 1:
A kind of numerically-controlled machine tool supporting plate assembly as shown in Figure 1, including lower pallet and the upper pallet being arranged on lower pallet
Structure, the upper pallet structure include pop-up grillage 2, screw nut driven mechanism and upper pallet 7.
The upper pallet 7 is connect by stress eliminating device with the nut seat 10 in screw nut driven mechanism；It is described
Stress eliminating device include fixed block 9 and movable block 8, fixed block 9 is fixed on upper pallet 7 perpendicular to 6 axis direction of lead screw
The back side, be connected by screw between fixed block 9 and the upper pallet 7.It is equipped with guide groove on the movable block 8, leads
To the shape and 9 shape adaptation of fixed block of slot, fixed block 9 is connected in guide groove, and can be reciprocatingly slided before and after guide groove.?
It is connected between fixed block 9 described in the present embodiment and the movable block 8 by the dovetail groove being adapted to each other.It can certainly
Pass through the T-slot etc. being adapted to each other.
At least two guide posts are equipped in the bottom of the movable block 8, guide post is inserted in the pilot hole on nut seat 10,
And can be moved up and down in pilot hole, in the present embodiment, the guide post is provided with 2 two.
Perforation is provided with nut 4 in the nut seat 10, and lead screw 6 passes through 4 hole of nut, and engages with nut 4.
The two sides of pop-up grillage 2 are provided with bearing 5, the both ends of the lead screw 6 are separately positioned on the bearing 5
On, also pass through shaft coupling 3 in the one end therein of lead screw 6 and is connected with motor 1.
A kind of numerically-controlled machine tool supporting plate assembly provided by the invention is filled by the way that stress elimination is arranged between supporting plate and nut seat
It sets, no matter how pallet guide pair deforms and wear, and can be maintained at feed screw nut in lead screw stress free position, protects lead screw
It is not forced bending, reduces lead screw, bearing damage or motor and burns phenomenon.
The technical means disclosed in the embodiments of the present invention is not limited to the technical means disclosed in the above technical means, and further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. a kind of numerically-controlled machine tool supporting plate assembly, it is characterised in that: hardened including lower pallet and the pop-up being arranged on lower pallet
Structure, the upper pallet structure include pop-up grillage, screw nut driven mechanism and upper pallet, and the upper pallet is by answering
Force eliminating device is connect with the nut seat in screw nut driven mechanism；The stress eliminating device includes fixed block and work
Motion block, fixed block are fixed on the back side of supporting plate perpendicular to lead screw axis direction；Guide groove, guiding are equipped on the movable block
The shape and fixed block shape adaptation of slot, fixed block are connected in guide groove, and can be reciprocatingly slided before and after guide groove；Described
Movable block bottom be equipped at least two guide posts, guide post be inserted in the pilot hole on nut seat, and can be in pilot hole on
Lower movement.
2. a kind of numerically-controlled machine tool supporting plate assembly according to claim 1, it is characterised in that: the fixed block and described
It is connected between movable block by the dovetail groove being adapted to each other.
3. a kind of numerically-controlled machine tool supporting plate assembly according to claim 1, it is characterised in that: the fixed block and described
It is connected by screw between supporting plate.
4. a kind of numerically-controlled machine tool supporting plate assembly according to claim 1, it is characterised in that: the guide post is provided with 2 liang
Root.
5. a kind of numerically-controlled machine tool supporting plate assembly according to claim 1, it is characterised in that: perforation is set in the nut seat
It is equipped with nut, lead screw passes through nut bore, and engages with nut.
6. a kind of numerically-controlled machine tool supporting plate assembly according to claim 5, it is characterised in that: be arranged in the two sides of pop-up grillage
Have a bearing, the both ends of the lead screw are separately positioned on the bearing, lead screw one end therein also pass through shaft coupling with
Motor is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438532.7U CN208322711U (en) | 2018-03-29 | 2018-03-29 | A kind of numerically-controlled machine tool supporting plate assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820438532.7U CN208322711U (en) | 2018-03-29 | 2018-03-29 | A kind of numerically-controlled machine tool supporting plate assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208322711U true CN208322711U (en) | 2019-01-04 |
Family
ID=64783887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820438532.7U Expired - Fee Related CN208322711U (en) | 2018-03-29 | 2018-03-29 | A kind of numerically-controlled machine tool supporting plate assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208322711U (en) |
-
2018
- 2018-03-29 CN CN201820438532.7U patent/CN208322711U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20190329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |