CN216421844U - Positioning and centering tool - Google Patents
Positioning and centering tool Download PDFInfo
- Publication number
- CN216421844U CN216421844U CN202220589182.0U CN202220589182U CN216421844U CN 216421844 U CN216421844 U CN 216421844U CN 202220589182 U CN202220589182 U CN 202220589182U CN 216421844 U CN216421844 U CN 216421844U
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- base
- positioning
- compression leg
- centering
- hole
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Abstract
The utility model relates to a positioning and centering tool, which comprises a base, a thread compression leg vertically penetrating the base and support bars symmetrically arranged at two sides of the bottom end of the thread compression leg, wherein the support bars transversely penetrate the base, the bottom end of the thread compression leg is of a smooth conical surface structure, and the inner side end of each support bar is an inclined plane matched with the support bar; the utility model discloses a base is fixed on the machine tool fixture, through rotatory screw thread compression leg, realizes that the symmetry of 2 bracing pieces is flexible, when the terminal surface of 2 bracing pieces contacts with the work piece simultaneously, realizes the centering location of work piece, realizes two screw thread locking through lock nut, and this location centering frock only needs according to two medial extremity faces, alright find apart from the ideal plane that two medial extremity face distances equal as the location benchmark, has improved the centering precision.
Description
Technical Field
The utility model belongs to the machining equipment field specifically is a location centering frock.
Background
When a casting or forging blank is processed, firstly, the centering of a positioning datum is needed, namely, the processing datum of processing equipment is adjusted to be aligned with the datum plane of the blank, wherein the selection of the positioning datum plane of the blank directly influences the processing precision, because the roughness of the surface of the blank is poor, a positioning error is caused when the blank is used as the datum plane, the precision of a processed part is unqualified, the size of the blank is generally measured firstly, and then a bench worker scribes to perform positioning reference.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a location centering frock is provided, easy operation and positioning accuracy are high.
The utility model adopts the technical proposal that:
the utility model provides a location centering frock, its includes the base, vertically wears to establish the screw thread compression leg in the base and the symmetry sets up the bracing piece in screw thread compression leg bottom both sides, the bracing piece transversely wears to set up in the base, and the bottom of screw thread compression leg is smooth conical surface structure, and the medial extremity of bracing piece is the inclined plane of complex with it.
Furthermore, the base includes the base member, the vertical hole of vertical setting on the base member and transversely sets up the horizontal hole in the base member, be equipped with on the vertical hole with screw thread compression leg matched with internal thread, horizontal pore pair is the setting in the both sides in vertical hole.
Furthermore, the outer side of the transverse hole is provided with a hole expansion, the inner side wall of the hole expansion is provided with an internal thread, the hole expansion is internally connected with a positioning nut through a thread, and the support rod penetrates through the positioning nut.
Furthermore, a spiral spring is arranged between the positioning nut and the support rod.
Furthermore, the bracing piece includes the body of rod and sets up the contact at body of rod medial extremity, and the terminal surface of contact is the inclined plane with bracing piece bottom matched with.
Furthermore, a locking nut is screwed on the threaded compression column.
Further, a knurled handle is arranged at the top of the threaded compression column.
The utility model discloses an actively the effect does:
the utility model discloses a base is fixed on the machine tool fixture, through rotatory screw thread compression leg, realize that the symmetry of 2 bracing pieces is flexible, when the terminal surface of 2 bracing pieces simultaneously with the work piece contact, realize the centering location of work piece, realize two screw thread locking through lock nut, this location centering frock only needs according to two medial extremity faces, alright find apart from the ideal plane that two medial extremity face distances equal as the location benchmark, improved the centering precision, simplified the centering operation, be favorable to improving machining efficiency.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the base structure of the present invention;
fig. 3 is a schematic view of the structure of the support rod of the present invention.
Detailed Description
Example 1
As shown in fig. 1-3, the present embodiment provides a positioning and centering tool, which includes a support rod 1, a positioning nut 2, a base 3, a lock nut 4, a threaded compression column 5, and a coil spring 6.
Specifically, the base 3 includes a base 301, a vertical hole 302 vertically disposed on the base 301, and a horizontal hole 303 horizontally disposed in the base 301, an internal thread is disposed in the vertical hole 302, and the threaded compression leg 5 is disposed in the vertical hole 302 by a threaded connection. The horizontal holes 303 are symmetrically arranged at two sides of the bottom end of the vertical hole 302, and the support rod 1 is correspondingly arranged in the horizontal holes 303.
Be equipped with reaming 304 in the outside of horizontal hole 303, reaming internal diameter is greater than horizontal hole 303, and be equipped with the internal thread in reaming 304 equally, there is set nut 2 through threaded connection in reaming 304, 1 clearance fit of bracing piece is installed in set nut 2, and be equipped with coil spring 6 between set nut 2 and the medial extremity of bracing piece 1, realize the automatic shrink motion of bracing piece 1 through coil spring 6, make 2 terminal surfaces of bracing piece 1 and screw compression leg 5 remain line contact throughout, realize the symmetry of 2 bracing pieces through rotatory screw compression leg 5 and stretch out and draw back.
The bottom end of the threaded compression column 5 is of a smooth conical surface structure, the inner side end of the support rod 1 is an inclined surface matched with the support rod, and the threaded compression column 5 is in line contact with the support rod 1.
Preferably, the supporting rod 1 includes a rod body 101 and a contact body 102 disposed at the inner side end of the rod body 101, the end surface of the contact body 102 is an inclined surface matched with the bottom end of the supporting rod 1, the rod body 101 passes through the positioning nut 2, and the outer side end surface of the contact body 102 is matched with the positioning nut 2 to form a limit.
Example 2
In this embodiment, a lock nut 4 is screwed on the threaded compression column 5, and the bottom surface of the lock nut 4 contacts with the base 3, so that the threaded compression column 5 realizes double-threaded locking, and the precision is ensured.
Example 3
This embodiment is a further improvement of embodiment 1, in which the top of the threaded compression leg 5 is a knurled handle.
The utility model discloses a location centering frock simple structure, convenient operation, machining efficiency are high, and the commonality is strong, accords with the quick change requirement.
The utility model discloses an installation method as follows:
the top of the threaded compression leg 5 is a handle with knurls, the middle of the threaded compression leg is connected with the base 3 by threads, the bottom of the threaded compression leg is of a smooth conical surface structure and is in line contact with 2 support rods 1, and the 2 support rods are in clearance fit with 2 positioning nuts and automatically contract to move through the spiral spring 6.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (5)
1. A positioning and centering tool is characterized by comprising a base (3), a threaded compression column (5) vertically penetrating through the base (3) and support rods (1) symmetrically arranged on two sides of the bottom end of the threaded compression column (5), wherein the support rods (1) transversely penetrate through the base (3), the bottom end of the threaded compression column (5) is of a smooth conical surface structure, and the inner side end of each support rod (1) is an inclined surface matched with the support rod;
the base (3) comprises a base body (301), a vertical hole (302) vertically arranged on the base body (301) and a transverse hole (303) transversely arranged in the base body (301), wherein the vertical hole (302) is provided with an internal thread matched with the threaded compression leg (5), and the transverse hole (303) is symmetrically arranged on two sides of the vertical hole (302);
the outer side of the transverse hole (303) is provided with a reaming hole (304), the inner side wall of the reaming hole (304) is provided with an internal thread, a positioning nut (2) is connected in the reaming hole (304) through the thread, and the support rod (1) is arranged in the positioning nut (2) in a penetrating mode.
2. The positioning and centering tool set forth in claim 1, characterized in that a coil spring (6) is disposed between the positioning nut (2) and the support rod (1).
3. The positioning and centering tool as claimed in claim 1 or 2, wherein the supporting rod (1) comprises a rod body (101) and a contact body (102) arranged at the inner end of the rod body (101), and the end face of the contact body (102) is an inclined surface matched with the bottom end of the supporting rod (1).
4. The positioning and centering tool set forth in claim 1, wherein a lock nut (4) is screwed on the threaded compression leg (5).
5. A positioning and centering tool as claimed in claim 1 or 4, characterized in that a knurled handle is provided at the top of the threaded compression leg (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220589182.0U CN216421844U (en) | 2022-03-18 | 2022-03-18 | Positioning and centering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220589182.0U CN216421844U (en) | 2022-03-18 | 2022-03-18 | Positioning and centering tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216421844U true CN216421844U (en) | 2022-05-03 |
Family
ID=81321124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220589182.0U Active CN216421844U (en) | 2022-03-18 | 2022-03-18 | Positioning and centering tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216421844U (en) |
-
2022
- 2022-03-18 CN CN202220589182.0U patent/CN216421844U/en active Active
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