CN216421120U - Special expansion precision jig for CNC (computerized numerical control) machining of tubular products - Google Patents
Special expansion precision jig for CNC (computerized numerical control) machining of tubular products Download PDFInfo
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- CN216421120U CN216421120U CN202122510965.3U CN202122510965U CN216421120U CN 216421120 U CN216421120 U CN 216421120U CN 202122510965 U CN202122510965 U CN 202122510965U CN 216421120 U CN216421120 U CN 216421120U
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Abstract
The utility model belongs to the technical field of the tool, concretely relates to special inflation precision jig of tubular product CNC processing, this special inflation precision jig of tubular product CNC processing includes: the base is provided with an expansion body for sleeving a tubular product on a reference surface; and an inflatable lure inserted into the inflatable body; the expansion lure body driving assembly is connected with the expansion lure body and is suitable for driving the expansion lure body to move along the axial direction of the expansion body and expanding the expansion body to be used for expanding the tubular product.
Description
Technical Field
The utility model belongs to the technical field of the tool, concretely relates to special inflation precision jig of tubular product CNC processing.
Background
CNC machining is generally referred to as precision machining.
When a tubular product needs to be subjected to CNC machining, the tubular product needs to be accurately positioned; the general processing mode is as follows: the inner diameter of the product is attached to and positioned by the columnar structure of the jig, the cover plate is pressed downwards through the top screw to be clamped, and then the CNC machining is carried out. When the mode is used for processing, when the tubular product is clamped, a gap can exist between the inner diameter of the tubular product and the jig body. The position is easy to shift and the size is unstable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a special inflation precision jig of tubulose product CNC processing to solve the tubulose product and add man-hour, the technical problem of the easy skew in position.
In order to solve the technical problem, the utility model provides a special accurate tool of inflation of tubular product CNC processing, it includes: the base is provided with an expansion body for sleeving the tubular product on a reference surface; and an inflatable lure inserted into the inflatable body; and the expansion lure body driving assembly is connected with the expansion lure body and is suitable for driving the expansion lure body to move along the axial direction of the expansion body and expanding the expansion body for expanding the tubular product.
Further, the expansion body includes: the bearing part, the expansion part and a guide through hole penetrating through the bearing part and the expansion part; the bearing part is arranged on the reference surface of the base and is used for bearing a tubular product sleeved on the expansion part; the expansion lure body is inserted into the guide through hole; the expansion lure body driving assembly is suitable for driving the expansion lure body to move along the guide through hole so as to prop open the expansion part of the expansion body.
Furthermore, one end of the expansion lure body is a conical guide head, and the other end of the expansion lure body is provided with a containing groove; an expansion guide section is arranged in the guide through hole; the shape of the expansion guide section is matched with the conical guide head of the expansion lure body; after the conical guide head of the expansion lure body extends into the guide through hole and is attached to the expansion guide section, the expansion lure body continues to move along the guide through hole so as to prop open the expansion part of the expansion body.
Furthermore, at least two cutting grooves are formed in the side wall of the expansion part along the axis direction of the expansion body so as to divide the expansion part into a plurality of same expansion pieces; and force reducing holes are formed in the bottoms of the cutting grooves.
Further, the expansion lure drive assembly includes: the cover plate and a screw penetrating through the cover plate; wherein the screw penetrates through the cover plate and then extends into the guide through hole to be in threaded connection with the expansion lure body; in the process of locking the screw and the expansion lure body, the screw presses the cover plate downwards to prop against the upper surface of the tubular product; and after the cover plate props against the tubular product, the screw pulls the expansion inducing body to move along the guide through hole so as to prop open the expansion part of the expansion body.
Furthermore, the bearing part is provided with a through hole penetrating through the guide through hole; a limiting pin is arranged in the through hole; the expansion lure body is placed on the limit pin through the containing groove.
The beneficial effects of the utility model are that, this special inflation precision tool of tubular product CNC processing lures the body drive inflation to lure the body to strut the inflation body through the inflation to tight tubulose product expands, has realized the effect of accurate positioning tubulose product.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a sectional view of the special expansion precision jig for CNC processing of tubular products of the present invention;
fig. 2 is a schematic structural diagram of an expansion body of the special expansion precision jig for CNC processing of tubular products of the present invention;
fig. 3 is a cross-sectional view of the expansion body of the special expansion precision jig for CNC processing of tubular products of the present invention;
fig. 4 is a schematic structural view of the expansion inducing body of the special expansion precision jig for CNC processing of tubular products of the present invention.
In the figure:
the expansion-type force-reducing device comprises a base 1, an expansion body 2, a bearing part 21, a through hole 211, a limiting pin 212, an expansion part 22, a cutting groove 221, an expansion sheet 222, a force-reducing hole 223, a guide through hole 23, an expansion guide section 231, an expansion lure body 3, a conical guide head 31, a containing groove 32, an expansion lure body driving assembly 4, a cover plate 41 and a screw 42.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1, the present embodiment provides an expansion precision fixture for CNC processing of tubular products, which includes: the base 1 is provided with an expansion body 2 for sleeving a tubular product on a reference surface; and an expansion lure 3 inserted into the expansion body 2; and an expansion lure driving assembly 4, associated with the expansion lure 3, adapted to drive the expansion lure 3 in axial movement along the expansion body 2, spreading said expansion body 2 for expanding the tubular product.
In the present embodiment, the expansion lure body 3 is driven by the expansion lure body driving assembly 4 to expand the expansion body 2, so as to expand the tubular product, and the effect of accurately positioning the tubular product is achieved.
As shown in fig. 2 and fig. 3, in this embodiment, optionally, the expansion body 2 includes: a bearing part 21, an expansion part 22 and a guide through hole 23 penetrating the bearing part 21 and the expansion part 22; the bearing part 21 is arranged on the reference surface of the base 1 and is used for bearing a tubular product sleeved on the expansion part 22; the expansion inducing body 3 is inserted into the guide through hole 23; the expansion lure driving assembly 4 is adapted to drive the expansion lure 3 to move along the guide through hole 23 to expand the expansion portion 22 of the expansion body 2.
In this embodiment, the expansion inducing body 3 is coaxially arranged with the expansion body 2, so that the expansion body 2 is uniformly spread outwards to accurately position the tubular product.
As shown in fig. 4, in this embodiment, optionally, one end of the expansion lure 3 is a conical guide head 31, and the other end is provided with a containing groove 32; an expansion guide section 231 is arranged in the guide through hole 23; the shape of the expansion guide section 231 is matched with the conical guide head 31 of the expansion lure body 3; after the conical guiding head 31 of the expansion lure body 3 extends into the guiding through hole 23 and is attached to the expansion guiding section 231, the expansion lure body 3 continues to move along the guiding through hole 23 so as to expand the expansion part 22 of the expansion body 2.
In the present embodiment, the diameter of the expansion guide section 231 is smaller than that of the expansion lure 3, so that the expansion lure 3 expands the expansion body 2 during the forward movement; the conical guide head 31 is used for guiding the expansion lure 3 to move, so that the expansion lure 3 can conveniently stretch the expansion body 2.
In this embodiment, optionally, at least two cutting grooves 221 are formed in the side wall of the expansion portion 22 along the axial direction of the expansion body 2, so as to divide the expansion portion 22 into a plurality of identical expansion pieces 222; the bottom of the cutting groove 221 is provided with a force reducing hole 223.
In the present embodiment, the expansion body 2 may be made of, but not limited to, spring steel; at least two cutting grooves 221, which divide the expansion part 22 into at least two same expansion pieces 222, so that the expansion part 22 is convenient to open; preferably, the expansion sheet 222 is divided into 4 identical expansion sheets; the force reducing holes 223 are to facilitate the outward spreading of the expansion tabs 222.
In this embodiment, optionally, the expansion lure driving assembly 4 comprises: a cover plate 41 and a screw 42 penetrating the cover plate 41; wherein the screw 42 passes through the cover plate 41 and then extends into the guide through hole 23 to be in threaded connection with the expansion lure body 3; during the locking of the screw 42 with the expansion lure 3, the screw 42 presses down the cover plate 41 against the upper surface of the tubular product; and after the cover plate 41 is abutted against the tubular product, the screw 42 pulls the expansion inducing body 3 to move along the guide through hole 23 so as to expand the expansion part 22 of the expansion body 2.
In an application scenario, the cover plate 41 covers the upper surface of the tubular product, the screw 42 is in threaded connection with the expansion lure body 3, the expansion lure body 3 is slowly lifted by rotating the screw 42, and the conical guide head 31 continues to lift after being attached to the expansion guide section 231, so as to expand the expansion body 2 and tighten the tubular product.
In this embodiment, optionally, the bearing portion 21 is provided with a through hole 211 penetrating through the guide through hole 23; a limit pin 212 is arranged in the through hole 211; the expansion lure 3 is received on the stopper pin 212 through the receiving groove 32.
In this embodiment, the limit pin 212 prevents the screw 42 from falling into the bottom of the guiding through hole 23 after the tubular product is processed and the screw 42 is removed, so that the screw 42 cannot be connected to the expansion lure body 3 in the next processing; meanwhile, the limit pin 212 is matched with the containing groove 32 to prevent the expansion lure 3 from rotating along with the rotation of the screw 42 in the process of locking the expansion lure 3.
In conclusion, the special expansion precise jig for CNC (computer numerical control) processing of the tubular product drives the expansion lure body 3 to expand the expansion body 2 through the expansion lure body driving component 4 so as to expand the tubular product, and the effect of precisely positioning the tubular product is realized; the expansion inducing body 3 and the expansion body 2 are coaxially arranged, so that the expansion body 2 is uniformly expanded outwards to accurately position the tubular product; the diameter of the expansion guide section 231 is smaller than that of the expansion lure 3, so that the expansion lure 3 can expand the expansion body 2 in the forward movement process; the conical guide head 31 is used for guiding the expansion lure body 3 to move, so that the expansion lure body 3 can conveniently open the expansion lure body 2; the expansion body 2 can be but is not limited to be made of spring steel; at least two cutting grooves 221, which divide the expansion part 22 into at least two same expansion pieces 222, so that the expansion part 22 is convenient to open; preferably, the expansion sheet 222 is divided into 4 identical expansion sheets; the force reducing holes 223 are to facilitate the outward spreading of the expansion pieces 222; the limiting pin 212 prevents the tubular product from falling into the bottom of the guide through hole 23 after the screw 42 is taken off after the tubular product is processed, so that the screw 42 cannot be connected with the expansion lure body 3 in the next processing; meanwhile, the limit pin 212 is matched with the containing groove 32 to prevent the expansion lure 3 from rotating along with the rotation of the screw 42 in the process of locking the expansion lure 3.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a special accurate tool of inflation of tubular product CNC processing which characterized in that includes:
the base is provided with an expansion body for sleeving the tubular product on a reference surface; and
an inflatable lure inserted into the inflatable body; and
and the expansion lure body driving assembly is connected with the expansion lure body and is suitable for driving the expansion lure body to move along the axial direction of the expansion body and expanding the expansion body for expanding the tubular product.
2. The expansion precision jig of claim 1,
the expansion body comprises: the bearing part, the expansion part and a guide through hole penetrating through the bearing part and the expansion part; wherein
The bearing part is arranged on the reference surface of the base and is used for bearing a tubular product sleeved on the expansion part;
the expansion lure body is inserted into the guide through hole;
the expansion lure driving assembly is suitable for driving the expansion lure to move along the guide through hole so as to open the expansion part of the expansion body.
3. The expansion precision jig of claim 2,
one end of the expansion lure body is a conical guide head, and the other end of the expansion lure body is provided with a containing groove;
an expansion guide section is arranged in the guide through hole;
the shape of the expansion guide section is matched with the conical guide head of the expansion lure body; wherein
After the conical guide head of the expansion lure body extends into the guide through hole and is attached to the expansion guide section, the expansion lure body continues to move along the guide through hole so as to prop open the expansion part of the expansion body.
4. The expansion precision jig of claim 3,
at least two cutting grooves are formed in the side wall of the expansion part along the axis direction of the expansion body so as to divide the expansion part into a plurality of same expansion pieces;
and force reducing holes are formed in the bottoms of the cutting grooves.
5. The expansion precision jig of claim 4,
the expansion lure drive assembly comprising: the cover plate and a screw penetrating through the cover plate; wherein
The screw penetrates through the cover plate and then extends into the guide through hole to be in threaded connection with the expansion lure body;
in the process of locking the screw and the expansion lure body, the screw presses the cover plate downwards to prop against the upper surface of the tubular product; and
after the cover plate is abutted against the tubular product, the screw pulls the expansion inducing body to move along the guide through hole so as to prop open the expansion part of the expansion body.
6. The expansion precision jig of claim 3,
the bearing part is provided with a through hole penetrating through the guide through hole;
a limiting pin is arranged in the through hole;
the expansion lure body is placed on the limit pin through the containing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122510965.3U CN216421120U (en) | 2021-10-18 | 2021-10-18 | Special expansion precision jig for CNC (computerized numerical control) machining of tubular products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122510965.3U CN216421120U (en) | 2021-10-18 | 2021-10-18 | Special expansion precision jig for CNC (computerized numerical control) machining of tubular products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216421120U true CN216421120U (en) | 2022-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122510965.3U Active CN216421120U (en) | 2021-10-18 | 2021-10-18 | Special expansion precision jig for CNC (computerized numerical control) machining of tubular products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216421120U (en) |
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2021
- 2021-10-18 CN CN202122510965.3U patent/CN216421120U/en active Active
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