CN204975377U - Corrosion resistant for digit control machine tool blind rivet shocks resistance - Google Patents
Corrosion resistant for digit control machine tool blind rivet shocks resistance Download PDFInfo
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- CN204975377U CN204975377U CN201520685609.7U CN201520685609U CN204975377U CN 204975377 U CN204975377 U CN 204975377U CN 201520685609 U CN201520685609 U CN 201520685609U CN 204975377 U CN204975377 U CN 204975377U
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- blind rivet
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Abstract
The utility model provides a corrosion resistant for digit control machine tool blind rivet shocks resistance of relating to machining apparatus field, the blind rivet contain pull rod, pull head, thread head and flange, pull rod one end be equipped with the pull head, the other end is equipped with the thread head, and the pole body of pull rod middle part is equipped with the flange, the contact position of pull head and flange be equipped with the circular arc transition face, the thread head is equipped with the cylinder changeover portion with the contact position of flange, pull head and the outer wall between the flange be equipped with the hard metal coating, the blind rivet not only can effectual guarantee its and the connection precision of main shaft, but also its life of extension that can be corresponding.
Description
[technical field]
The utility model relates to machining apparatus field, especially relates to the corrosion-resistant Digit Control Machine Tool blind rivet of a kind of shock resistance for connecting handle of a knife and main shaft of numerical control machine tool.
[background technology]
Known, boring and milling class Digit Control Machine Tool is equipment conventional in mechanical processing industry, its toolbox comprises cutter head, handle of a knife and blind rivet, cutter head is connected and fixed with the installation portion for the handle of a knife of connecting machine tool main shaft, blind rivet is then the strain component between Digit Control Machine Tool and handle of a knife, namely blind rivet is fixed on the tail end of various tool handle by screw thread, and the tensioning mechanism in machine tool chief axis is strained handle of a knife by blind rivet and is fixed in main shaft, thus reaches the object preventing handle of a knife from deviating from the main shaft of High Rotation Speed, but, due to the making material normally mild steel of blind rivet, or by steel alloy through carburizing, the cure process such as nitriding improve its case hardness, and handle of a knife often needs to dismantle with main shaft to be connected in long-term use, therefore under the tensile impact effect of machine tool chief axis, traditional blind rivet will inevitably abrasion deformation, in addition, blind rivet also can not get rusty at that time depositing, these phenomenons all can have influence on the connection precision of blind rivet and main shaft, thus directly cause the installation of handle of a knife not in place, and then not only had influence on the machining accuracy of Digit Control Machine Tool, and also reduce the service life of blind rivet.
[summary of the invention]
In order to overcome the deficiency in background technology, the utility model discloses the corrosion resistant Digit Control Machine Tool blind rivet of a kind of shock resistance, described blind rivet not only effectively can ensure the connection precision of itself and main shaft, but also can extend its service life accordingly.
For achieving the above object, the utility model adopts following technical scheme:
The corrosion resistant Digit Control Machine Tool blind rivet of a kind of shock resistance, described blind rivet comprises pull bar, pull head, thread head and flange; Described pull bar one end is provided with pull head, and the other end is provided with thread head, and is provided with flange in the middle part of the shaft of pull bar; Described pull head and the contact position of flange are provided with arc-shaped transitional surface, and the contact position of thread head and flange is provided with positioning cylinder; Outer wall between described pull head and flange is provided with hard metal coating.
Further, the overall outer wall of described blind rivet is equipped with hard metal coating.
Further, described hard metal coating adopts chemical vapour deposition technique or physical vaporous deposition coating.
Further, described hard metal coating is one or more combinations in aluminium nitride titanium layer, chromium nitride layer, titanium nitride layer, TiCN layer or common metal coating.
Owing to adopting technical scheme as above, the utility model has following beneficial effect:
The corrosion resistant Digit Control Machine Tool blind rivet of shock resistance described in the utility model adopts the mode increasing hard metal coating at blind rivet outer wall, by the combination between coated film and tool matrix, reach corresponding wearability, resistance to impact and the corrosion resistance that improve cutter under the prerequisite not reducing matrix toughness, thus not only effectively ensured the connection precision of blind rivet and main shaft, and the corresponding service life extending blind rivet.
[accompanying drawing explanation]
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is another structural representation of the present utility model.
In figure: 1, pull bar; 2, pull head; 3, thread head; 4, flange; 5, arc-shaped transitional surface; 6, cylinder changeover portion; 7, hard metal coating.
[detailed description of the invention]
Can explain the present invention in more detail by the following examples, open the purpose of this utility model is intended to protect all changes and improvements within the scope of the utility model, and the utility model is not limited to the following examples:
By reference to the accompanying drawings 1 ~ 2, the corrosion resistant Digit Control Machine Tool blind rivet of described shock resistance comprises pull bar 1, pull head 2, thread head 3 and flange 4; Described pull bar 1 one end is provided with pull head 2, the other end of pull bar 1 is provided with thread head 3, in the middle part of the shaft of pull bar 1, be provided with flange 4, the contact position between pull head 2 and flange 4 is provided with arc-shaped transitional surface 5, and the contact position between thread head 3 and flange 4 is provided with cylinder changeover portion 6; Simultaneously, outer wall between pull head 2 and flange 4, or be provided with by one or more hard metal coatings combined 7 in the common metal coatings such as aluminium nitride titanium layer, chromium nitride layer, titanium nitride layer, TiCN layer at the outer wall of whole blind rivet, this hard metal coating 7 adopts the conventional process such as chemical vapour deposition technique or physical vaporous deposition coating.
Implement shock resistance described in the utility model corrosion resistant Digit Control Machine Tool blind rivet and connect handle of a knife and main shaft, and when being subject to the impact tension of main shaft pulling claw, described blind rivet effectively can improve case hardness by the hard metal coating of its plated surface, thus reach the features such as impact resistance, wearability and the corrosion resistance increasing blind rivet, and then effectively add the service life of blind rivet, and ensure the connection precision between blind rivet and main shaft accordingly.
The non-detailed portion of the utility model is prior art, therefore the utility model is not described in detail.
Claims (4)
1. the corrosion resistant Digit Control Machine Tool blind rivet of shock resistance, is characterized in that: described blind rivet comprises pull bar (1), pull head (2), thread head (3) and flange (4); Described pull bar (1) one end is provided with pull head (2), and the other end is provided with thread head (3), and is provided with flange (4) in the middle part of the shaft of pull bar (1); Described pull head (2) is provided with arc-shaped transitional surface (5) with the contact position of flange (4), and thread head (3) is provided with cylinder changeover portion (6) with the contact position of flange (4); Outer wall between described pull head (2) and flange (4) is provided with hard metal coating (7).
2. the corrosion resistant Digit Control Machine Tool blind rivet of shock resistance according to claim 1, is characterized in that: the overall outer wall of described blind rivet is equipped with hard metal coating (7).
3. the corrosion resistant Digit Control Machine Tool blind rivet of shock resistance according to claim 1, is characterized in that: described hard metal coating (7) adopts chemical vapour deposition technique or physical vaporous deposition coating.
4. the corrosion resistant Digit Control Machine Tool blind rivet of shock resistance according to claim 1, is characterized in that: described hard metal coating (7) is aluminium nitride titanium layer, one or more combinations in chromium nitride layer, titanium nitride layer, TiCN layer or common metal coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685609.7U CN204975377U (en) | 2015-09-07 | 2015-09-07 | Corrosion resistant for digit control machine tool blind rivet shocks resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520685609.7U CN204975377U (en) | 2015-09-07 | 2015-09-07 | Corrosion resistant for digit control machine tool blind rivet shocks resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204975377U true CN204975377U (en) | 2016-01-20 |
Family
ID=55109797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520685609.7U Active CN204975377U (en) | 2015-09-07 | 2015-09-07 | Corrosion resistant for digit control machine tool blind rivet shocks resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204975377U (en) |
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2015
- 2015-09-07 CN CN201520685609.7U patent/CN204975377U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |