CN201470901U - Pull nail used for cutter assembly of machine tool - Google Patents
Pull nail used for cutter assembly of machine tool Download PDFInfo
- Publication number
- CN201470901U CN201470901U CN2009201695110U CN200920169511U CN201470901U CN 201470901 U CN201470901 U CN 201470901U CN 2009201695110 U CN2009201695110 U CN 2009201695110U CN 200920169511 U CN200920169511 U CN 200920169511U CN 201470901 U CN201470901 U CN 201470901U
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- Prior art keywords
- machine tool
- rod
- knife
- blind rivet
- handle
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- Expired - Fee Related
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Abstract
The utility model relates to a pull nail used for a cutter assembly of a machine tool, which comprises a cylindrical rod body, wherein one end of the rod body is provided with a circular arc joint which is used for being connected with a pull rod joint in a shaft hole of a main shaft of the machine tool, the other end of the rod body is provided with a cylindrical screw rod joint which is used for being connected with an inner screw hole of a knife handle, a transition part which is in the shape of a revolution body is convexly arranged between the circular arc joint and the screw rod joint on the rod body, and the diameter of the cross section of the transition part is greater than the diameter of the cross section of the rod body and is smaller than the diameter of the shaft hole of the main shaft of the machine tool. The utility model can be matched with a JT class knife handle, thereby being applied to a general machine tool and a numerically-controlled machine tool, and has the advantages of convenient processing and high tensile strength.
Description
Technical field
The utility model relates to a kind of blind rivet that is used for the machine tool assembly, relates in particular to a kind of blind rivet that can make JT class handle of a knife use, increase the JT class handle of a knife scope of application on machine tool and Digit Control Machine Tool.
Background technology
At present, machine tool, Digit Control Machine Tool and machining center are the machining apparatus of using always in mechanical processing industry.And all being equipped with toolbox, various machining apparatus come workpiece is processed operation.Toolbox includes the handle of a knife and the blind rivet of cutter head, truncated cone-shaped, is provided with installation portion at an end of handle of a knife, and the installation portion of described cutter head and described handle of a knife is connected and fixed, and is connected with machine tool chief axis at the other end of handle of a knife.Fig. 4 is that ST class handle of a knife is applied in the user mode structural representation on machine tool or the Digit Control Machine Tool, as shown in Figure 4, when assembling, the surface engagement of the internal taper hole of the outer conical surface of handle of a knife and machine tool chief axis 400, wherein the tapering of the tapering of handle of a knife and main shaft internal taper hole is 7: 24, handle of a knife is realized by the friction between the internal taper hole of the outer conical surface of handle of a knife and machine tool chief axis with the rotation of main shaft 400, the circular arc joint of blind rivet embeds by steel ball 402, the rod head 401 that claw 403 and retainer 404 are formed, wherein, steel ball 402 is arranged in the holder of retainer 404 of rod head 401, and claw 403 is at the front end of fixed retainer 404.By axial force and rod head 401 and the blind rivet 300 that the pull bar (not shown) transmits, realize tension to handle of a knife.
In the prior art, different handle of a knifes is because the difference of its structure is suitable for different machining apparatus, and for example machine tool, Digit Control Machine Tool are used ST class handle of a knife usually, and machining center then is used JT class handle of a knife, and its concrete structure is as follows:
Figure 1A, Figure 1B are the structural representation of existing JT class handle of a knife, shown in Figure 1A, Figure 1B, JT class handle of a knife 100 comprises the handle body 101 of truncated cone-shaped, be provided with the installation portion 102 that can be connected at the bigger end of handle body 101 diameters of truncated cone-shaped with cutter head, an end less at handle body 101 diameters of described truncated cone-shaped offers inner bolt hole 103, is used for being spirally connected with blind rivet.
Fig. 2 A, Fig. 2 B are the structural representation of existing ST class handle of a knife, shown in Fig. 2 A, Fig. 2 B, ST class handle of a knife 200 comprises the handle body 201 of truncated cone-shaped, be provided with the installation portion 202 that can be connected at the bigger end of handle body 201 diameters of truncated cone-shaped with cutter head, an end less at handle body 201 diameters of described truncated cone-shaped is extended with connector 203, offer screw (the screw aperture of ST class handle of a knife connector equates with the inner bolt hole aperture of JT class handle of a knife) in the outer end of connector 203 vertically, be used for and the blind rivet threaded.
And Fig. 3 A, Fig. 3 B are the structural representation of existing blind rivet 300.Shown in Fig. 3 A, Fig. 3 B, blind rivet 300 comprises the cylindrical body of rod 301, is provided with circular arc joint 302 at an end of the body of rod 301, is used for being connected with rod head; The other end at the body of rod 301 is provided with screw rod joint 303, is used for being threaded with handle of a knife.
Above-mentioned JT class handle of a knife and ST handle of a knife main difference part structurally is that the length of JT class handle of a knife is short than the length of ST handle of a knife, therefore has following defective:
1, when JT class handle of a knife being connected with existing blind rivet and desire to be installed on the main shaft of machine tool or Digit Control Machine Tool, because the length of the handle body of JT class handle of a knife is shorter, blind rivet can't engage with the rod head of machine tool chief axis, therefore JT class handle of a knife with can not on machine tool and Digit Control Machine Tool, use after existing blind rivet is connected, cause the versatility of handle of a knife poor.
2, along with the extensive use of all kinds of machine tools, the quantity of matching used cutter and handle of a knife also can sharply increase, improved production cost, particularly for the production and processing of single-piece or small batch workpiece, need different handle of a knifes is installed on the work in-process heart and machine tool and the Digit Control Machine Tool, cause the raising of production cost more.And the increase of handle of a knife quantity has also brought and has used and managed the ever-increasing problem of cost at handle of a knife.
The utility model content
At the problems referred to above, the purpose of this utility model provides a kind of blind rivet that is used for the machine tool assembly, this blind rivet can be realized the use of JT class handle of a knife on machine tool and Digit Control Machine Tool, improve the versatility of handle of a knife, make the applied widely of JT class handle of a knife and can satisfy machine tool chief axis and running up down, to the requirement of the tensile strength of blind rivet, the service life of improving blind rivet simultaneously.
For achieving the above object, the utility model proposes a kind of blind rivet that is used for the machine tool assembly, comprise the cylindrical body of rod, end at the described body of rod is provided with the circular arc joint, the other end at the described body of rod is provided with columniform screw rod joint, rod head in described circular arc joint and the axis hole of being located at machine tool chief axis is connected, described screw rod joint is connected with the inner bolt hole of handle of a knife, it is characterized in that: on the described body of rod, convex with the transition part that is rotational-like between described circular arc joint and the described screw rod joint, the cross-sectional diameter of described transition part is greater than the cross-sectional diameter of the described body of rod and less than the shaft hole diameter of described machine tool chief axis.
In the utility model, described transition part is cylindrical.
In the utility model, described transition part is truncated cone-shaped.
In the utility model, the cross-sectional diameter of described circular arc joint is greater than the cross-sectional diameter of the described body of rod; The cross-sectional diameter of described screw rod joint is greater than the cross-sectional diameter of the described body of rod.
In the utility model, the length of described transition part is 20mm～30mm, is preferably 25mm.
In the utility model, the cross-sectional diameter of the described body of rod is 16mm, and the cross-sectional diameter of described transition part is 35mm～40mm.
In the utility model, the material of described blind rivet is steel.
In the utility model, the length of described blind rivet is 85mm.
In the utility model, described transition part connects near the end face of described screw rod joint and the end face of described handle of a knife.
The utility model and existing structure the utlity model has following characteristics and advantage in comparison:
1, the utility model employing is provided with diameter and the transition part that have certain-length of cross-sectional diameter greater than the described body of rod in the stage casing of the body of rod, prolonged the length of blind rivet, make blind rivet of the present utility model with after JT class handle of a knife is connected, can be assemblied on machine tool and the Digit Control Machine Tool and use, realized exchanging on the existing JT class handle of a knife work in-process heart and machine tool and the Digit Control Machine Tool, improved the versatility of handle of a knife, increase the scope of application of JT class handle of a knife, greatly reduced the production cost of handle of a knife.
2, simultaneously, for avoiding increase owing to blind rivet length to cause the reduction of himself tensile strength, thereby the defective of cause in use that blind rivet ruptures easily, service life is short, the cross-sectional diameter of the transition part of the utility model blind rivet is greater than the diameter of the described body of rod, therefore transition part has bigger tensile strength, can satisfy blind rivet in use to its requirement of strength, and prolong the service life of blind rivet.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,
Figure 1A is the structural representation of existing JT class handle of a knife;
Figure 1B is the stereogram of existing JT class handle of a knife;
Fig. 2 A is the structural representation of existing ST class handle of a knife;
Fig. 2 B is the stereogram of existing ST class handle of a knife;
Fig. 3 A is the structural representation of existing blind rivet;
Fig. 3 B is the stereogram of existing blind rivet;
Fig. 4 is applied in user mode structural representation on machine tool or the Digit Control Machine Tool for ST class handle of a knife in the prior art;
Fig. 5 A is the structural representation of the utility model blind rivet;
Fig. 5 B is the perspective view of the utility model blind rivet;
Fig. 6 is the user mode structural representation of the utility model blind rivet.
Description of reference numerals:
Prior art:
100-JT class handle of a knife; The handle body of 101-truncated cone-shaped; The 102-installation portion; The 103-inner bolt hole;
200-ST class handle of a knife; The handle body of 201-truncated cone-shaped; The 202-installation portion; The 203-connector;
The 300-blind rivet; The 301-body of rod; 302-circular arc joint; 303-screw rod joint;
The 400-main shaft; The 401-rod head; The 402-steel ball; The 403-claw; The 404-retainer.
The utility model:
The 1-blind rivet; The 11-body of rod; 12-circular arc joint; 13-screw rod joint; The 14-transition part; The 15-holding part;
2-JT class handle of a knife; The 3-rod head; The 31-steel ball; The 32-claw; The 4-main shaft; The 41-axis hole.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.
Fig. 5 A is the structural representation of the utility model blind rivet; Fig. 5 B is a perspective view of the present utility model; Shown in Fig. 5 A, Fig. 5 B, the utility model is used for the blind rivet 1 of machine tool assembly, comprise the cylindrical body of rod 11, be provided with circular arc joint 12 at an end of the body of rod 11, the rod head 3 (referring to Fig. 6) that this circular arc joint 12 is used in the axis hole 41 with machine tool chief axis engages; The other end at the body of rod 11 is provided with columniform screw rod joint 13, is provided with screw thread at these screw rod joint 13 outer surfaces, is used for the inner bolt hole threaded (referring to Fig. 6) with the JT handle of a knife; On the body of rod 11, convex with the transition part 14 that is rotational-like between circular arc joint 12 and the screw rod joint 13, in the present embodiment, this transition part 14 is cylindrical; And the cross-sectional diameter of this columniform transition part 14 is greater than the cross-sectional diameter of the body of rod 11.Owing on the body of rod 11, be equipped with the transition part 14 of certain-length, increased the length of blind rivet 1, like this in blind rivet 1 and entire length after entire length after JT class handle of a knife 2 is connected equals blind rivet 300 of the prior art and ST class handle of a knife is connected (in the present embodiment, this entire length is 160mm), this moment, one end of blind rivet 1 can be connected with the rod head 3 of machine tool and main shaft of numerical control machine tool, made JT class handle of a knife can be assemblied on machine tool and the Digit Control Machine Tool.And, the cross-sectional diameter of transition part 14 is greater than the cross-sectional diameter of the body of rod 11 and less than axis hole 41 diameters of machine tool chief axis, improved the tensile strength of blind rivet so greatly and be suitable for being installed in the axis hole of machine tool chief axis, avoid blind rivet the phenomenon of crack even fracture under the axial force of the pull bar that is positioned at the main shaft axis hole drives, to occur, improved the reliability and the security of producing.
In the present embodiment, the cross-sectional diameter of the body of rod 11 is 16mm, and the cross-sectional diameter of transition part 14 is 40mm.As seen, therefore the cross-sectional diameter of transition part 14 has avoided causing owing to the increase of blind rivet length the defective of its tensile strength reduction greater than the cross-sectional diameter of the body of rod 11.Wherein, the cross-sectional diameter of transition part 14 also can be not limited to this size, for example can choose in 35mm～40mm diameter dimension scope, as long as can either make blind rivet have enough tensile strength, blind rivet can be installed in the axis hole of machine tool chief axis again.
In the present embodiment, the length of blind rivet is 85mm, the length of transition part 14 is 25mm, make blind rivet of the present utility model equal the total length that existing blind rivet is connected with ST class handle of a knife like this, therefore satisfied the matching requirements of JT class handle of a knife on machine tool and Digit Control Machine Tool with total length after JT class handle of a knife is connected.In addition, the length of blind rivet 1 is to be decided by the distance between lathe ball position and handle of a knife 2 inner bolt holes, the lathe of same model, its length are fixed numeric values, and for example the utility model blind rivet length that test obtains on the SXA5040A Digit Control Machine Tool of Beijing first Machine Tools Plant's manufacturing is 85mm.But according to the model difference of lathe, the length of adjustment blind rivet that also can be suitable.And the material of blind rivet 1 is steel, to satisfy the requirement to blind rivet tensile strength.
As shown in Figure 6, transition part 14 is arranged at JT class handle of a knife 2 to the lathe axis hole space between the claw 32, therefore the length of transition part 14 offer inner bolt hole less than JT class handle of a knife 2 end face to the distance between claw 32 end faces of rod head 3, the length range of transition part 14 is 20mm～30mm usually.Decide according to the length of screw rod joint 13 transition part 14 set position on the body of rod 11, in the present embodiment, transition part 14 connects near the end face of screw rod joint 13 and the end face that offers inner bolt hole of handle of a knife 2, like this when the inner bolt hole of screw rod joint 13 and handle of a knife 2 is spirally connected, the end face contact that offers inner bolt hole of handle of a knife 2 is on the transition part 14 close end faces of screw rod joint 13, increased the contact area between blind rivet and the handle of a knife like this, increase the frictional force between them, helped improving the fastness that blind rivet is connected with handle of a knife.In addition, transition part 14 also can be arranged on other position of the body of rod, as long as can satisfy under the condition that the inner bolt hole screwing length of screw rod joint 13 and handle of a knife 2 requires, the end face of handle of a knife 2 can be resisted against transition part 14 near on the end faces of screw rod joint 13.Simultaneously, there is certain interval the other end of transition part 14 apart from claw 32 end faces, and this gap is about 5mm in the present embodiment.
In the present embodiment, the cross-sectional diameter of circular arc joint 12 is slightly larger than the cross-sectional diameter of the body of rod 11, and wherein the maximum cross section diameter of circular arc joint 12 is 20mm.The arc holding part of in the junction of the circular arc joint 12 and the body of rod 11 is formed with, bending 15, this holding part 15 is used to fix the steel ball 31 of rod head 3 front ends, make blind rivet can with the rod head Joint, thereby under the pulling of the axial force of pull bar (not shown), with blind rivet and the tension of JT class handle of a knife.
In addition, also can be truncated cone-shaped, and the diameter of truncated cone-shaped transition part 14 minimum cross-sections is greater than the cross-sectional diameter of the body of rod 11 at transition part 14 of the present utility model.The shape of transition part 14 also is not limited to above-mentioned shape, as long as the Any shape that can satisfy the requirement of blind rivet tensile strength and be suitable for installing on machine tool and main shaft of numerical control machine tool all should be included within the protection domain of the present utility model.
Fig. 6 is the user mode structural representation of the utility model blind rivet.As shown in Figure 6, in use, at first, the screw rod joint 13 of blind rivet 1 is threaded with the inner bolt hole of JT class handle of a knife 2, JT class handle of a knife 2 after will connecting is again inserted in the axis hole of machine tool or main shaft of numerical control machine tool with blind rivet 1, the outer surface of the truncated cone-shaped handle body 21 of JT class handle of a knife 2 matches with the surface of the internal taper hole of axis hole, the circular arc joint 12 of blind rivet 1 and connecting and fixing of rod head 3 front ends, it is steel ball 31 inlay cards of rod head 3 front ends engage the place with the body of rod 11 at the circular arc joint 12 of blind rivet 1 arc holding part 15, between the JT class handle of a knife and rod head of transition part 14 this moment in the axis hole of main shaft, by axial force and rod head and the blind rivet that pull bar transmits, realize tension to handle of a knife.
The utility model is compared with existing blind rivet structure, because the utility model is equipped with the transition part 14 of predetermined length, the entire length that has prolonged blind rivet 11 on the body of rod 11.When blind rivet 1 is installed on the main shaft of machine tool or Digit Control Machine Tool, the circular arc joint 12 of the body of rod 11 is connected with the front end of Tiebar structure, the screw rod joint 13 of blind rivet 1 matches with the inner bolt hole of JT handle of a knife in stretching into the main shaft axis hole and is connected, realized the use of JT class handle of a knife on machine tool and Digit Control Machine Tool, make the JT handle of a knife can be applied on the machining center, can be applicable to again on machine tool and the Digit Control Machine Tool, improved the versatility of JT class handle of a knife, reduced production cost.And the cross-sectional diameter of the transition part of the utility model blind rivet is greater than the diameter of the described body of rod, so transition part has bigger tensile strength, can satisfy blind rivet in use to its requirement of strength, prolonged the service life of blind rivet simultaneously.
The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (10)
1. blind rivet that is used for the machine tool assembly, comprise the cylindrical body of rod, end at the described body of rod is provided with the circular arc joint, the other end at the described body of rod is provided with columniform screw rod joint, rod head in described circular arc joint and the axis hole of being located at machine tool chief axis is connected, described screw rod joint is connected with the inner bolt hole of handle of a knife, it is characterized in that: on the described body of rod, convex with the transition part that is rotational-like between described circular arc joint and the described screw rod joint, the cross-sectional diameter of described transition part is greater than the cross-sectional diameter of the described body of rod and less than the shaft hole diameter of described machine tool chief axis.
2. the blind rivet that is used for the machine tool assembly according to claim 1 is characterized in that: described transition part is cylindrical.
3. the blind rivet that is used for the machine tool assembly according to claim 1 is characterized in that: described transition part is truncated cone-shaped.
4. according to claim 1 or the 2 or 3 described blind rivets that are used for the machine tool assembly, it is characterized in that: the cross-sectional diameter of described circular arc joint is greater than the cross-sectional diameter of the described body of rod; The cross-sectional diameter of described screw rod joint is greater than the cross-sectional diameter of the described body of rod.
5. according to claim 1 or the 2 or 3 described blind rivets that are used for the machine tool assembly, it is characterized in that: the length of described transition part is 20mm～30mm.
6. according to claim 1 or the 2 or 3 described blind rivets that are used for the machine tool assembly, it is characterized in that: the cross-sectional diameter of the described body of rod is 16mm, and the cross-sectional diameter of described transition part is 35mm～40mm.
7. according to claim 1 or the 2 or 3 described blind rivets that are used for the machine tool assembly, it is characterized in that: the material of described blind rivet is steel.
8. according to claim 1 or the 2 or 3 described blind rivets that are used for the machine tool assembly, it is characterized in that: the length of described blind rivet is 85mm.
9. the blind rivet that is used for the machine tool assembly according to claim 8 is characterized in that: the length of described transition part is 25mm.
10. according to claim 1 or the 2 or 3 described blind rivets that are used for the machine tool assembly, it is characterized in that: described transition part connects near the end face of described screw rod joint and the end face of described handle of a knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201695110U CN201470901U (en) | 2009-09-07 | 2009-09-07 | Pull nail used for cutter assembly of machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201695110U CN201470901U (en) | 2009-09-07 | 2009-09-07 | Pull nail used for cutter assembly of machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201470901U true CN201470901U (en) | 2010-05-19 |
Family
ID=42407142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201695110U Expired - Fee Related CN201470901U (en) | 2009-09-07 | 2009-09-07 | Pull nail used for cutter assembly of machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201470901U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221655A (en) * | 2014-06-27 | 2016-01-06 | 丰田自动车株式会社 | Vibration damping equipment |
| CN107643060A (en) * | 2017-09-15 | 2018-01-30 | 中国科学院自动化研究所 | A kind of wheel hub self locating device of positioning axle sleeve and the application axle sleeve |
-
2009
- 2009-09-07 CN CN2009201695110U patent/CN201470901U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221655A (en) * | 2014-06-27 | 2016-01-06 | 丰田自动车株式会社 | Vibration damping equipment |
| CN107643060A (en) * | 2017-09-15 | 2018-01-30 | 中国科学院自动化研究所 | A kind of wheel hub self locating device of positioning axle sleeve and the application axle sleeve |
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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 |
Granted publication date: 20100519 Termination date: 20150907 |
|
| EXPY | Termination of patent right or utility model |