CN202851856U - Lead screw of guide device - Google Patents
Lead screw of guide device Download PDFInfo
- Publication number
- CN202851856U CN202851856U CN 201220547933 CN201220547933U CN202851856U CN 202851856 U CN202851856 U CN 202851856U CN 201220547933 CN201220547933 CN 201220547933 CN 201220547933 U CN201220547933 U CN 201220547933U CN 202851856 U CN202851856 U CN 202851856U
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- CN
- China
- Prior art keywords
- lead screw
- screw mandrel
- diameter
- guide device
- model
- 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
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Abstract
The utility model discloses a lead screw of a guide device. The lead screw comprises a cylindrical lead screw body, wherein an axial clamping portion is arranged at one end of the lead screw body; an axial key slot is arranged on the outer side of the clamping portion; and an axial limit portion, an installation portion and a fixing portion are sequentially arranged at the other end in the opposite direction of the lead screw body. The diameter of the clamping portion is identical to that of the limit portion. The diameter of the fixing portion is larger than that of the lead screw body. The diameters of the limit portion and the installation portion are respectively smaller than the diameter of the lead screw body. The lead screw of the guide device is simple in structure, two ends of the lead screw diameter are respectively provided with the installation portion and the clamping portion with different diameters, and therefore stability of a lead screw roller way is improved, and the lead screw of the integrated structure is high in feeding accuracy and is prolonged in service life.
Description
Technical field
The utility model belongs to field of metallurgical equipment, particularly the screw mandrel of guiding device.
Background technique
In the machinery industry automatic machine tool, rely on mechanical driving mechanism to finish the displacement of whole mechanism, present automated machine tool aspect mainly is to utilize the work that rotarily drives of positive and negative two directions of screw mandrel to make moving forward and backward along screw mandrel, because screw mandrel is outside thread, the order of living that is engaged in is internal thread, therefore for screw mandrel order alive can be rotated neatly, internal and external threads has certain matching gap always, therefore in the rotation of screw mandrel and switch when falling along direction, can produce large gap error, early stage lathe can also meet the requirements, but now in the face of more powerful, control system has proposed the requirement of further precision and stable position to screw mandrel more accurately.
The model utility content
The utility model is intended to overcome the defective of prior art, and a kind of screw mandrel of simple in structure, the guiding device that operates steadily is provided.
In order to solve the problems of the technologies described above, the utility model provides following technological scheme:
The screw mandrel of guiding device, comprise columniform screw mandrel body, described screw mandrel body one end is provided with inserted part vertically, and the outside, described inserted part offers keyway vertically, and the rightabout the other end of described screw mandrel body is disposed with vertically limited section, assembly department, fixing part.
Further, described inserted part diameter is identical with the limited section diameter.
Further, described fixing part diameter is greater than screw mandrel body diameter, and described limited section, assembly department diameter are all less than screw mandrel body diameter.
Compared with prior art, the utlity model has following beneficial effect:
The utility model is simple in structure, and screw mandrel diameter two ends are respectively arranged with the different assembly department of diameter and inserted part, has strengthened the stationarity of lead screw ball track, and feed accuracy is high, adopts monolithic construction, has prolonged screw mandrel working life.
Description of drawings
Fig. 1 is the plan view of the screw mandrel of the utility model guiding device;
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the screw mandrel of guiding device comprises columniform screw mandrel body 1, is provided with vertically inserted part 2 at screw mandrel body 1 one ends, and 2 outsides, inserted part offer keyway 3 vertically, and keyway 3 cross sections are rectangle or other suitable shapes.The screw mandrel body 1 rightabout the other end is disposed with vertically limited section 4, assembly department 5, fixing part 6, and inserted part 2 diameters are identical with limited section 4 diameters.Fixing part 6 diameters are greater than screw mandrel body diameter, and limited section 4, assembly department 5 diameters are all less than screw mandrel body diameter.Inserted part 2, limited section 4, assembly department 5, fixing part 6 cross sections are all rounded.
The utility model is simple in structure, and screw mandrel diameter two ends are respectively arranged with the different assembly department of diameter and inserted part, has strengthened the stationarity of lead screw ball track, feed accuracy is high, adopt monolithic construction, prolonged screw mandrel working life, and satisfied the needs of production and processing.
The above only is explanation mode of execution of the present utility model; be not limited to the utility model; for a person skilled in the art; all within spirit of the present utility model and principle; any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. the screw mandrel of guiding device, comprise columniform screw mandrel body, it is characterized in that: described screw mandrel body one end is provided with inserted part vertically, the outside, described inserted part offers keyway vertically, and the rightabout the other end of described screw mandrel body is disposed with vertically limited section, assembly department, fixing part.
2. the screw mandrel of guiding device as claimed in claim 1, it is characterized in that: described inserted part diameter is identical with the limited section diameter.
3. the screw mandrel of guiding device as claimed in claim 1, it is characterized in that: described fixing part diameter is greater than screw mandrel body diameter, and described limited section, assembly department diameter are all less than screw mandrel body diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220547933 CN202851856U (en) | 2012-10-25 | 2012-10-25 | Lead screw of guide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220547933 CN202851856U (en) | 2012-10-25 | 2012-10-25 | Lead screw of guide device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202851856U true CN202851856U (en) | 2013-04-03 |
Family
ID=47983062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220547933 Expired - Fee Related CN202851856U (en) | 2012-10-25 | 2012-10-25 | Lead screw of guide device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202851856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821895A (en) * | 2014-02-26 | 2014-05-28 | 南通原亚精密机械有限公司 | Screw rod |
-
2012
- 2012-10-25 CN CN 201220547933 patent/CN202851856U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821895A (en) * | 2014-02-26 | 2014-05-28 | 南通原亚精密机械有限公司 | Screw rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20131025 |