CN207093697U - A kind of ball nut with refrigerating function - Google Patents
A kind of ball nut with refrigerating function Download PDFInfo
- Publication number
- CN207093697U CN207093697U CN201720836123.8U CN201720836123U CN207093697U CN 207093697 U CN207093697 U CN 207093697U CN 201720836123 U CN201720836123 U CN 201720836123U CN 207093697 U CN207093697 U CN 207093697U
- Authority
- CN
- China
- Prior art keywords
- ball
- screw mandrel
- nut
- nut body
- cooling chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of ball nut with refrigerating function, including nut body, screw mandrel, heating column, thermal column, the middle part of the nut body is provided with screw mandrel passage, the inwall of the screw mandrel passage is provided with ball grooves, ball is provided with the ball grooves, the screw mandrel interts and mistake from the screw mandrel passage on nut body, and the spiral rolling ball track on screw mandrel matches with ball, it is provided with the nut body and is not attached to logical cooling chamber with ball grooves, it is close to ball grooves in one end of the heating column, in other end insertion cooling chamber, the outer end of the thermal column flushes with the outer surface of nut body, in the inner insertion cooling chamber.This carries the ball nut of refrigerating function, screw mandrel produces substantial amounts of heat in the case of high-speed overload with ball friction, this heat conducts into cooling chamber coolant by heating column, the heat that is absorbed again by thermal column conduction coolant is simultaneously distributed into external environment, the problem of the low precision for avoiding ball nut from occurring by the high deformation of temperature.
Description
Technical field
The utility model belongs to ball nut technical field, and in particular to a kind of ball nut with refrigerating function.
Background technology
Precise ball screw pair is mainly used in Precision Position Location System, such as Digit Control Machine Tool, robot system etc., at present extensively
For the ball screw assembly, used in the case of high-speed overload, lead screw pair caloric value is larger, and traditional lead screw pair is arranged without effective cooling
Apply, air cooling or forced air-cooling can only be used, poor to the release efficiency of lead screw pair surface heat, the change of leading screw temperature can draw
Thermal deformation is played, causes precision unstable.A kind of ball nut with refrigerating function is proposed for this.
Utility model content
The purpose of this utility model is to provide a kind of ball nut with refrigerating function, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides following technical scheme：A kind of ball nut with refrigerating function,
Including nut body, screw mandrel, heating column, thermal column, the middle part of the nut body is provided with screw mandrel passage, the screw mandrel passage
Inwall is provided with ball grooves, and ball is provided with the ball grooves, and the screw mandrel interts and mistake from the screw mandrel passage on nut body,
It is provided with and the spiral rolling ball track on screw mandrel matches with ball, in the nut body and is not attached to logical cooling chamber with ball grooves,
Ball grooves are close in one end of the heating column, in other end insertion cooling chamber, the outer end of the thermal column and nut body it is outer
Surface flushes, in the inner insertion cooling chamber.
Further, it is equipped with heat insulating coat on the heating column and thermal column.
Further, the position of heating column and thermal column the insertion cooling chamber seals provided with seal.
Further, the heating column and thermal column use diameter 10mm copper post or aluminium post.
Further, the both ends of the cooling chamber are respectively equipped with liquid injection port and tap hole.
Further, the screw mandrel passes position from the both ends of nut body and is provided with spacing ring.
Technique effect of the present utility model and advantage：This carries the ball nut of refrigerating function, and screw mandrel is in high-speed overload
In the case of with ball friction produce substantial amounts of heat, this heat conducts into cooling chamber coolant by heating column, then by radiating
The heat of post conduction coolant absorption is simultaneously distributed into external environment, the precision for avoiding ball nut from occurring by the high deformation of temperature
The problem of poor.
Brief description of the drawings
Fig. 1 is cross-sectional view of the present utility model；
Fig. 2 is structural representation of the present utility model.
In figure：1 nut body, 2 screw mandrels, 3 screw mandrel passages, 4 ball grooves, 5 balls, 6 thermal columns, 7 cooling chambers, 8 heating columns.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model provides a kind of ball nut with refrigerating function as shown in Figure 1-2, including nut body
1st, screw mandrel 2, heating column 8, thermal column 6, the middle part of the nut body 1 are provided with screw mandrel passage 3, the inwall of the screw mandrel passage 3
Be provided with ball grooves 4, be provided with ball 5 in the ball grooves 4, the screw mandrel 2 intert from the screw mandrel passage 3 on nut body 1 and
Cross, and the spiral rolling ball track on screw mandrel 2 matches with ball 5, it is logical provided with being not attached to ball grooves 4 in the nut body 1
Ball grooves 4 are close in cooling chamber 7, one end of the heating column 8, in other end insertion cooling chamber 7, the outer end of the thermal column 6 with
The outer surface of nut body 1 flushes, in the inner insertion cooling chamber 7.
Specifically, being equipped with heat insulating coat on the heating column 8 and thermal column 6, avoid on heating column 8 and thermal column 6
Heat transfer can effectively prevent worker from touching nut body 1 and scalding to nut body surface.
Specifically, the position that the heating column 8 and thermal column 6 insert cooling chamber 7 seals provided with seal, seal uses
Annular steel seal groove adds annular silica gel sealing ring, and the two, which is engaged sealing, to prevent coolant from leaking.
Specifically, the heating column 8 and thermal column 6 are using diameter 10mm copper post or aluminium post, good heat conduction effect.
Specifically, the both ends of the cooling chamber 7 are respectively equipped with liquid injection port and tap hole (being not drawn into figure).
Specifically, the screw mandrel 2 passes position from the both ends of nut body 1 is provided with spacing ring (being not drawn into figure).
A kind of ball nut with refrigerating function provided by the utility model, screw mandrel 2 in the case of high-speed overload with
The friction of ball 5 produces substantial amounts of heat, and this heat conducts the coolant into cooling chamber 7 by heating column 8, then is passed by thermal column 6
Lead the heat of coolant absorption and distribute into external environment, avoid the low precision that ball nut occurs by the high deformation of temperature
Problem.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Progress equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of ball nut with refrigerating function, including nut body (1), screw mandrel (2), heating column (8), thermal column (6),
It is characterized in that：The middle part of the nut body (1) is provided with screw mandrel passage (3), and the inwall of the screw mandrel passage (3) is provided with rolling
Pearl groove (4), the ball grooves (4) are interior to be provided with ball (5), and the screw mandrel (2) is worn from the screw mandrel passage (3) on nut body (1)
Insert and mistake, and the spiral rolling ball track on screw mandrel (2) is matched with ball (5), and the nut body (1) is interior to be provided with and ball grooves
(4) logical cooling chamber (7) is not attached to, ball grooves (4), other end insertion cooling chamber (7) are close in one end of the heating column (8)
Interior, the outer end of the thermal column (6) flushes with the outer surface of nut body (1), in the inner insertion cooling chamber (7).
A kind of 2. ball nut with refrigerating function according to claim 1, it is characterised in that：The heating column (8)
Heat insulating coat is equipped with thermal column (6).
A kind of 3. ball nut with refrigerating function according to claim 1, it is characterised in that：The heating column (8)
Sealed with the position of thermal column (6) insertion cooling chamber (7) provided with seal.
A kind of 4. ball nut with refrigerating function according to claim 1, it is characterised in that：The heating column (8)
Diameter 10mm copper post or aluminium post is used with thermal column (6).
A kind of 5. ball nut with refrigerating function according to claim 1, it is characterised in that：The cooling chamber (7)
Both ends be respectively equipped with liquid injection port and tap hole.
A kind of 6. ball nut with refrigerating function according to claim 1, it is characterised in that：The screw mandrel (2) from
The both ends of nut body (1) pass position and are provided with spacing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720836123.8U CN207093697U (en) | 2017-07-11 | 2017-07-11 | A kind of ball nut with refrigerating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720836123.8U CN207093697U (en) | 2017-07-11 | 2017-07-11 | A kind of ball nut with refrigerating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207093697U true CN207093697U (en) | 2018-03-13 |
Family
ID=61556206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720836123.8U Expired - Fee Related CN207093697U (en) | 2017-07-11 | 2017-07-11 | A kind of ball nut with refrigerating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207093697U (en) |
-
2017
- 2017-07-11 CN CN201720836123.8U patent/CN207093697U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20190711 |