CN217728009U - Numerical control machine tool cutter holder - Google Patents
Numerical control machine tool cutter holder Download PDFInfo
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- CN217728009U CN217728009U CN202222196214.3U CN202222196214U CN217728009U CN 217728009 U CN217728009 U CN 217728009U CN 202222196214 U CN202222196214 U CN 202222196214U CN 217728009 U CN217728009 U CN 217728009U
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- clamping
- clamping piece
- machine tool
- locking
- numerically controlled
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Abstract
The utility model relates to a numerical control processing technology field especially relates to a digit control machine tool cutter holder, include: the clamping jaw comprises a clamping jaw body, a first clamping piece and a second clamping piece, wherein the clamping jaw body comprises a driving cavity positioned on a central axis and a movable cavity communicated with the driving cavity; the first clamping piece and the second clamping piece are symmetrically arranged on two sides of the driving cavity, a pin shaft for connecting the first clamping piece and the second clamping piece is arranged in the movable cavity, and the first clamping piece and the second clamping piece are provided with a cutter locking part and a cutter loosening part; the elasticity apical axis sets up in the drive intracavity, and inside is equipped with the spring, and the one end butt that stretches out the elasticity apical axis is equipped with the locking inclined plane on the stopper on the elasticity apical axis, and the elasticity apical axis moves along the direction that the stopper was kept away from to the axis orientation, and locking inclined plane butt is on lock sword portion. The cutter holder structure adopts a split type structure and adopts a spring to buffer the impact force of the main shaft on the cutter holder, the damage to the clamping part is relieved, the problem that the clamping part is broken by collision is effectively avoided, and the service life of the cutter holder is greatly prolonged.
Description
Technical Field
The utility model relates to a numerical control processing technology field especially relates to a digit control machine tool cutter holder.
Background
The tool holder is applied to a tool magazine of a numerical control machining center and used for clamping a tool shank of a tool, and the tool can be placed into the tool magazine or taken out of the tool magazine according to needs by a main shaft in the part machining process.
The cutter holder adopts integrative injection moulding among the prior art, includes fixed part and centre gripping position, and the fixed part is used for fixing the cutter holder on the tool magazine carousel to the high-speed operation of carousel is got rid of the cutter holder and is taken off, and the centre gripping position is used for the handle of a knife position of centre gripping cutter. The one end at centre gripping position has an opening, and the handle of a knife passes in and out the centre gripping position from the opening position, and in the use, cutter holder itself only relies on self material characteristic to open and shut and presss from both sides tight handle of a knife, gets at the in-process of putting of cutter, mainly relies on the strength that the main shaft removed to open the cutter holder opening to reach the purpose of getting and putting the cutter. However, in the process of taking and placing the tool holder by the spindle, the spindle has large moving force, the tool holder is not provided with an effective buffer device, the clamping part of the tool holder is easy to break, and the service life is short.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a digit control machine tool cutter holder effectively solves the problem in the background art.
In order to achieve the purpose, the utility model adopts the technical proposal that: a numerically controlled machine tool toolholder, comprising:
the clamping jaw comprises a clamping jaw body, a clamping jaw body and a clamping jaw body, wherein the clamping jaw body comprises a driving cavity positioned on a central axis and a movable cavity communicated with the driving cavity;
the first clamping piece and the second clamping piece are arranged in the movable cavity and are symmetrically arranged on two sides of the driving cavity, a pin shaft for connecting the first clamping piece and the second clamping piece is arranged in the movable cavity, and a cutter locking part and a cutter releasing part are arranged on one sides of the first clamping piece and the second clamping piece, which are close to the driving cavity;
the elastic ejecting shaft is arranged in the driving cavity, a spring is arranged inside the driving cavity, the elastic ejecting shaft stretches out, one end of the elastic ejecting shaft is abutted to the limiting block at the end part of the driving cavity, a locking inclined plane is arranged on the elastic ejecting shaft, the elastic ejecting shaft is far away from the limiting block in the direction of the axis direction, and the locking inclined plane is abutted to the locking knife part.
Furthermore, the first clamping piece and the second clamping piece are provided with limiting interfaces at the outer side faces close to one end of the knife locking part, a blocking shaft is arranged in the movable cavity, and the blocking shaft is in contact with the limiting interfaces.
Further, the locking inclined plane is uniformly gathered inwards in the direction away from the limiting block along the axis.
Furthermore, the projection diameter of the locking inclined plane at the edge close to the tail end of the limiting block is equal to the projection diameter of the outer wall of the elastic top shaft.
Furthermore, the elastic top shaft is positioned at the gathering end of the locking inclined plane and is provided with an avoiding groove.
Further, a groove is formed between the knife locking part and the knife loosening part.
Furthermore, the lock knife part is of a convex arc structure facing the elastic top shaft.
Further, the loosening blade part is of a hook-shaped structure facing the elastic top shaft.
Furthermore, the limiting block is arranged between the first clamping piece and the second clamping piece, and the limiting block is gathered inwards towards the direction of the elastic top shaft.
Further, first holder with the second holder still includes the clamping part, the opening part of clamping part is equipped with the guide way, and is equipped with the spacing ring with cutter complex at the clamping part medial surface.
The beneficial effects of the utility model are that: the cutter holder structure adopts a split type structure and adopts the spring to buffer the impact force of the main shaft on the cutter holder, the damage to the clamping part is relieved, the problem that the clamping part is broken by collision is effectively avoided, and the service life of the cutter holder is greatly prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a tool holder of a numerically controlled machine tool according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a jaw body in an embodiment of the present invention;
fig. 3 is a schematic structural view of the first clamping member according to the embodiment of the present invention;
FIG. 4 is a schematic view of the locking state of the tool holder according to the embodiment of the present invention;
FIG. 5 is a partial enlarged view of FIG. 4 at A;
fig. 6 is a schematic view showing the loose state of the tool holder according to the embodiment of the present invention.
Reference numerals are as follows: 10. a jaw body; 11. a drive chamber; 12. a movable cavity; 13. a pin shaft; 14. a limiting block; 15. a blocking shaft; 20. a first clamping member; 21. a blade locking part; 22. a cutter loosening part; 23. a limiting interface; 24. a groove; 25. a clamping portion; 30. a second clamping member; 40. an elastic top shaft; 41. locking the inclined plane; 42. an avoidance groove; 50. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The numerically controlled machine tool holder as shown in fig. 1 to 6 includes: the clamping jaw comprises a clamping jaw body 10, a first clamping piece 20 and a second clamping piece 30, wherein the clamping jaw body 10 comprises a driving cavity 11 located on a central axis and a movable cavity 12 communicated with the driving cavity 11; the first clamping piece 20 and the second clamping piece 30 are arranged in the movable cavity 12 and are symmetrically arranged on two sides of the driving cavity 11, a pin shaft 13 used for connecting the first clamping piece 20 and the second clamping piece 30 is arranged in the movable cavity 12, and a knife locking part 21 and a knife releasing part 22 are arranged on one sides of the first clamping piece 20 and the second clamping piece 30 close to the driving cavity 11; the elastic jacking shaft 40 is arranged in the driving cavity 11, a spring 50 is arranged in the elastic jacking shaft, one end of the elastic jacking shaft extending out of the elastic jacking shaft 40 abuts against the limiting block 14 at the end part of the driving cavity 11, a locking inclined surface 41 is arranged on the elastic jacking shaft 40, the elastic jacking shaft 40 moves towards the direction far away from the limiting block 14 along the axis, and the locking inclined surface 41 abuts against the cutter locking part 21.
The utility model discloses implementation, when the cutter gets into in the cutter holder, spring 50 drive elasticity apical axis 40 is along axial motion, locking inclined plane 41 and the 21 butt of the locking sword portion on first holder 20 and the second holder 30, and drive first holder 20 and second holder 30 and rotate around the round pin axle 13 that corresponds, lock the cutter, the cutter holder structure takes split type structure and adopts spring 50 buffering main shaft to the impact force of cutter holder, the harm to 25 self of clamping portion has been alleviated, the problem that 25 positions of clamping portion are hit absolutely has effectively been avoided, very big extension the life of cutter holder.
In the preferred embodiment of the present invention, the first clamping member 20 and the second clamping member 30 are provided with a limiting interface 23 at the outer side surface near one end of the knife locking portion 21, and a blocking shaft 15 is provided in the movable cavity 12. The arrangement of the blocking shaft 15 limits the rotation angle of the first clamping part 20 and the second clamping part 30 during the locking process of the tool, thereby further ensuring the accuracy of the tool center positioning.
The utility model discloses in the preferred embodiment, locking inclined plane 41 is evenly inwards gathered together along the axis towards the direction of keeping away from stopper 14, guarantees the even reliability of clamp force.
On the basis of the above embodiment, the projection diameter of the locking inclined surface 41 at the edge close to the end of the limiting block 14 is equal to the projection diameter of the outer wall of the elastic top shaft 40, so that the elastic top shaft 40 can smoothly enter the driving cavity 11 and slide in the driving cavity 11, and the first clamping piece 20 and the second clamping piece 30 are driven to lock the cutter, thereby improving the convenience of installation.
On the basis of the above embodiment, the gathering end of the elastic top shaft 40 on the locking inclined surface 41 is provided with the avoiding groove 42, which effectively ensures the feasibility of the rotation of the first clamping member 20 and the second clamping member 30 around the pin shaft 13.
The utility model discloses in the preferred embodiment, be equipped with recess 24 between lock sword portion 21 and the pine sword portion 22, and lock sword portion 21 is the circular arc structure of protruding form for towards elasticity apical axis 40, make first holder 20 and second holder 30 can realize even atress in the rotation process, thereby be convenient for control the clamp force, the stability of locking force has been improved, and loose sword portion 22 is the hook-shaped structure towards elasticity apical axis 40, make first holder 25 and second holder 25 when receiving elasticity apical axis 40 terminal surface abutting force, can the antiport, thereby make the cutter take out smoothly.
In order to avoid the interference phenomenon of the cutter loosening part 22 and the limiting block 14 in the rotating process, the limiting block 14 is arranged between the first clamping piece 20 and the second clamping piece 30, and the limiting block 14 is gathered inwards towards the direction of the elastic top shaft 40.
The utility model discloses in the preferred embodiment, first holder 20 and second holder 30 still include clamping part 25, and the opening part of clamping part 25 is equipped with the guide way, has the guide effect to the cutter, has improved cutter clamping efficiency, and be equipped with at the 25 medial surfaces of clamping part with cutter complex spacing ring, through the setting of spacing ring, guarantee the location precision of cutter, improved the stability of cutter in the cutter holder.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A numerically controlled machine tool toolholder, comprising:
the clamping jaw comprises a clamping jaw body (10) and a clamping jaw body, wherein the clamping jaw body comprises a driving cavity (11) positioned on a central axis and a movable cavity (12) communicated with the driving cavity (11);
the clamping device comprises a first clamping piece (20) and a second clamping piece (30), wherein the first clamping piece (20) and the second clamping piece (30) are arranged in a movable cavity (12) and are symmetrically arranged on two sides of a driving cavity (11), a pin shaft (13) used for connecting the first clamping piece (20) and the second clamping piece (30) is arranged in the movable cavity (12), and a knife locking part (21) and a knife loosening part (22) are arranged on one sides, close to the driving cavity (11), of the first clamping piece (20) and the second clamping piece (30);
elasticity apical axis (40), set up in drive chamber (11), inside is equipped with spring (50), and it stretches out the one end butt of elasticity apical axis (40) is in on stopper (14) of drive chamber (11) tip, be equipped with locking inclined plane (41) on elasticity apical axis (40), elasticity apical axis (40) are followed the axis orientation and are kept away from the direction motion of stopper (14), locking inclined plane (41) butt is in lock sword portion (21) is last.
2. The tool holder of the numerical control machine tool according to claim 1, characterized in that the outer side surfaces of the first clamping piece (20) and the second clamping piece (30) close to one end of the tool locking part (21) are provided with limiting interfaces (23), and a blocking shaft (15) is arranged in the movable cavity (12).
3. The numerically controlled machine tool holder according to claim 1, characterized in that the locking ramps (41) converge uniformly inward along the axis in a direction away from the stop block (14).
4. The numerically controlled machine tool holder according to claim 3, characterized in that the projected diameter of the locking bevel (41) at the end edge near the stopper (14) is equal to the projected diameter of the outer wall of the elastic head shaft (40).
5. The numerically controlled machine tool holder according to claim 4, characterized in that the elastic apical axis (40) is provided with an escape groove (42) at the converging end of the locking bevel (41).
6. The numerically controlled machine tool toolholder according to claim 1, characterized in that a recess (24) is provided between the toolholder section (21) and the unclamp section (22).
7. The numerically controlled machine tool toolholder according to claim 6, characterized in that the toolholder section (21) is of a circular arc configuration that is convex toward the resilient top shaft (40).
8. The numerically controlled machine tool holder according to claim 6, characterized in that the loosening element (22) is of hook-shaped configuration facing the elastic head shaft (40).
9. The numerically controlled machine tool holder according to claim 8, characterized in that the stopper (14) is arranged intermediate the first clamping member (20) and the second clamping member (30), the stopper (14) converging inwardly in the direction of the elastic head shaft (40).
10. The tool holder of the numerical control machine tool according to claim 1, characterized in that the first clamping member (20) and the second clamping member (30) further comprise a clamping part (25), a guide groove is arranged at the opening of the clamping part (25), and a limiting ring matched with the tool is arranged on the inner side surface of the clamping part (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222196214.3U CN217728009U (en) | 2022-08-18 | 2022-08-18 | Numerical control machine tool cutter holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222196214.3U CN217728009U (en) | 2022-08-18 | 2022-08-18 | Numerical control machine tool cutter holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217728009U true CN217728009U (en) | 2022-11-04 |
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ID=83814665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222196214.3U Active CN217728009U (en) | 2022-08-18 | 2022-08-18 | Numerical control machine tool cutter holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217728009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116619098A (en) * | 2023-04-27 | 2023-08-22 | 冈田智能(江苏)股份有限公司 | Tool magazine manipulator and tool changing device |
-
2022
- 2022-08-18 CN CN202222196214.3U patent/CN217728009U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116619098A (en) * | 2023-04-27 | 2023-08-22 | 冈田智能(江苏)股份有限公司 | Tool magazine manipulator and tool changing device |
| CN116619098B (en) * | 2023-04-27 | 2023-10-24 | 冈田智能(江苏)股份有限公司 | Tool magazine manipulator and tool changing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212300 Huguo Road, Erling Town, Danyang City, Zhenjiang City, Jiangsu Province Patentee after: Okada Intelligent (Jiangsu) Co.,Ltd. Address before: 212300 Huguo Road, Erling Town, Danyang City, Zhenjiang City, Jiangsu Province Patentee before: Okada Intelligent (Jiangsu) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 212300 Huguo Road, Erling Town, Danyang City, Zhenjiang City, Jiangsu Province Patentee after: Okada Intelligent (Jiangsu) Co.,Ltd. Address before: 212300 Erling Town, Danyang City, Zhenjiang City, Jiangsu Province Patentee before: OKADA SEIKI DANYANG Co.,Ltd. |
|
| CP03 | Change of name, title or address |