CN212351149U - Centering clamping tool - Google Patents
Centering clamping tool Download PDFInfo
- Publication number
- CN212351149U CN212351149U CN202020277220.XU CN202020277220U CN212351149U CN 212351149 U CN212351149 U CN 212351149U CN 202020277220 U CN202020277220 U CN 202020277220U CN 212351149 U CN212351149 U CN 212351149U
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- base
- rod
- positioning rod
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- clamping
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Abstract
The utility model discloses a centering clamping tool, which comprises a base, the inside of the base is rotated and provided with a screw rod, two ends of the screw rod extend to the outside of two sides of the base, the thread formed on the left side rod body of the screw rod is opposite to the thread formed on the right side rod body, a left positioning rod and a right positioning rod are respectively arranged outside two sides of the base, the bottoms of the left positioning rod and the right positioning rod are respectively in threaded connection with the left side rod body and the right side rod body of the screw rod, guide posts are respectively arranged on two sides of the base, the middle parts of the left positioning rod and the right positioning rod are respectively movably sleeved on the guide posts on two sides of the base, clamping support bolts are respectively arranged on two sides of the base, and clamping pins corresponding to the clamping support bolts on two sides of the base are; the utility model is simple in operation convenient, improve the processingquality and the precision of blank work piece, reduce the centering positioning time of blank work piece, improve production efficiency.
Description
Technical Field
The utility model relates to a tight frock of centering clamp belongs to machining technical field.
Background
At present, a blank workpiece needs to be centered and positioned during processing, the center of the blank workpiece is found out through manual line drawing in the conventional operation mode, and meanwhile, the blank workpiece is placed on a machine tool to ensure the centering and positioning of the blank workpiece through line calibration.
Disclosure of Invention
For solving prior art's is not enough, the utility model provides a tight frock is pressed from both sides to centering has solved blank work piece and has added the problem of man-hour manual school line and centering location, and easy operation is convenient, improves the processingquality and the precision of blank work piece, reduces the centering positioning time of blank work piece, improves production efficiency.
The utility model discloses the technical scheme who adopts does:
a centering and clamping tool comprises a base, a screw rod is rotatably arranged inside the base, two ends of the screw rod extend to the outer parts of two sides of the base, the outer circumferences of the end parts of the two ends of the screw rod are of a hexagonal structure, the direction of a thread formed on the left side rod body of the screw rod is opposite to that of a thread formed on the right side rod body, the outer parts of the two sides of the base are respectively provided with a left positioning rod and a right positioning rod, the bottoms of the left positioning rod and the right positioning rod are respectively in threaded connection with the left rod body and the right rod body of the screw rod, the two sides of the base are respectively provided with a guide post, the middle parts of the left positioning rod and the right positioning rod are respectively movably sleeved on the guide posts on the two sides of the base, clamping support bolts are respectively arranged on two sides of the base, and clamping pins corresponding to the clamping support bolts on the two sides of the base are respectively arranged at the tops of the left positioning rod and the right positioning rod; the end part of the screw rod is rotated by the wrench, and the screw rod rotates to drive the left positioning rod and the right positioning rod to synchronously move to be close to or away from each other.
As a further preferred aspect of the present invention, the base on be provided with the spacer pin that is used for restricting the screw position, the outer periphery sliding contact at the front end terminal surface of spacer pin and screw rod middle part.
As a further preferred aspect of the present invention, an auxiliary supporting bolt is disposed on one side of the base; facilitating the mating of the base with the external component.
As a further preference of the utility model, the auxiliary support bolt and the clamping support bolt are respectively connected with a limit nut in a threaded manner, and the depth of screwing the auxiliary support bolt and the clamping support bolt into the base is limited by the limit nut; the clamping width between the clamping support bolt and the clamping pin and the clamping width between the auxiliary support bolt and the external part are adjusted.
As a further preferred aspect of the present invention, a plurality of screw mounting holes are formed in the bottom of the base; the centering clamping tool is convenient to be fixedly installed on the operating table or installed on other tool structures as auxiliary equipment.
The beneficial effects of the utility model reside in that: the end part of the screw rod is rotated by a wrench, and the screw rod rotates to drive the left positioning rod and the right positioning rod to synchronously move to be close to or away from each other; clamping the blank workpiece when the left positioning rod and the right positioning rod synchronously move to be close to each other; releasing the blank workpiece when the left positioning rod and the right positioning rod synchronously move and are far away from each other; the synchronous movement of the left positioning rod and the right positioning rod realizes the centering and clamping of the blank workpiece; the centering positioning device is simple and convenient to operate, improves the processing quality and precision of blank workpieces, reduces the centering positioning time of the blank workpieces, and improves the production efficiency.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2;
the main reference numerals in the figures have the following meanings:
the method comprises the following steps of 1-base, 2-screw rod, 3-limiting pin, 4-left positioning rod, 5-clamping pin, 6-guide column, 7-clamping support bolt, 8-right positioning rod, 9-auxiliary support bolt and 10-thread mounting hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-3: the embodiment is a centering and clamping tool, which comprises a base 1, a screw rod 2 is rotatably arranged in the base 1, two ends of the screw rod 2 extend to the outer parts of two sides of the base 1, the outer circumferences of the end parts of the two ends of the screw rod 2 are of a hexagonal structure, a thread formed on a left rod body of the screw rod 2 is opposite to a thread formed on a right rod body, a left positioning rod 4 and a right positioning rod 8 are respectively arranged outside the two sides of the base 1, the bottoms of the left positioning rod 4 and the right positioning rod 8 are respectively in threaded connection with the left rod body and the right rod body of the screw rod 2, the two sides of the base 1 are respectively provided with a guide post 6, the middle parts of the left positioning rod 4 and the right positioning rod 8 are respectively movably sleeved on the guide posts 6 on the two sides of the base 1, clamping support bolts 7 are respectively arranged on two sides of the base 1, and clamping pins 5 corresponding to the clamping support bolts 7 on the two sides of the base 1 are respectively arranged at the tops of the left positioning rod 4 and the right positioning rod 8; the end part of the screw rod 2 is rotated by a wrench, and the screw rod 2 rotates to drive the left positioning rod 4 and the right positioning rod 8 to synchronously move to be close to or away from each other.
In the present embodiment, the base 1 is provided with the stopper pin 3 for limiting the position of the screw 2, and the front end surface of the stopper pin 3 is in sliding contact with the outer circumferential surface of the middle portion of the screw 2.
The embodiment is provided with an auxiliary supporting bolt 9 on one side of the base 1; facilitating the mating of the base 1 with external parts.
In this embodiment; limiting nuts are respectively connected to the auxiliary supporting bolt 9 and the clamping supporting bolt 7 in a threaded manner, and the screwing depth of the auxiliary supporting bolt 9 and the clamping supporting bolt 7 into the base 1 is limited through the limiting nuts; for adjusting the clamping width between the clamping stay bolt 7 and the clamping pin 5, and the clamping width between the auxiliary stay bolt 9 and the external member.
In the embodiment, a plurality of threaded mounting holes 10 are formed at the bottom of the base 1; the centering clamping tool is convenient to be fixedly installed on the operating table or installed on other tool structures as auxiliary equipment.
When the device is used, the end part of the screw rod 2 is rotated by a wrench, and the screw rod 2 rotates to drive the left positioning rod 4 and the right positioning rod 8 to synchronously move to be close to or away from each other; the blank workpiece in the embodiment is provided with two support arms, wherein one support arm is positioned between the left positioning rod 4 and the left clamping support bolt 7 of the base 1, and the other support arm is positioned between the right positioning rod 8 and the right clamping support bolt 7 of the base 1; the blank workpiece is clamped when the left positioning rod 4 and the right positioning rod 8 synchronously move to be close to each other; the blank workpiece is released when the left positioning rod 4 and the right positioning rod 8 synchronously move and are far away from each other; synchronous movement of the left positioning rod 4 and the right positioning rod 8 realizes centering and clamping of blank workpieces.
The utility model is simple in operation convenient, improve the processingquality and the precision of blank work piece, reduce the centering positioning time of blank work piece, improve production efficiency.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a tight frock of centering clamp which characterized in that: the clamping device comprises a base, wherein a screw rod is rotatably arranged in the base, two ends of the screw rod extend to the outer parts of two sides of the base, the outer circumferential surfaces of the end parts of the two ends of the screw rod are of a hexagonal structure, threads formed on a left side rod body of the screw rod are opposite to the threads formed on a right side rod body, a left positioning rod and a right positioning rod are respectively arranged on the outer parts of two sides of the base, the bottoms of the left positioning rod and the right positioning rod are respectively in threaded connection with the left side rod body and the right side rod body of the screw rod, guide posts are respectively arranged on two sides of the base, the middle parts of the left positioning rod and the right positioning rod are respectively movably sleeved on the guide posts on two sides of the base, clamping support bolts are respectively arranged on two sides of the base, and clamping pins corresponding to; the end part of the screw rod is rotated by the wrench, and the screw rod rotates to drive the left positioning rod and the right positioning rod to synchronously move to be close to or away from each other.
2. The centering and clamping tool as claimed in claim 1, wherein a limit pin for limiting the position of the screw is arranged on the base, and the front end face of the limit pin is in sliding contact with the outer circumferential surface of the middle part of the screw.
3. The centering and clamping tool as claimed in claim 1, wherein an auxiliary support bolt is arranged on one side of the base.
4. The centering and clamping tool according to claim 3, wherein the auxiliary support bolt and the clamping support bolt are respectively in threaded connection with a limiting nut, and the limiting nut limits the screwing depth of the auxiliary support bolt and the clamping support bolt into the base.
5. The centering and clamping tool as claimed in claim 1, wherein a plurality of threaded mounting holes are formed in the bottom of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020277220.XU CN212351149U (en) | 2020-03-09 | 2020-03-09 | Centering clamping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020277220.XU CN212351149U (en) | 2020-03-09 | 2020-03-09 | Centering clamping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212351149U true CN212351149U (en) | 2021-01-15 |
Family
ID=74145481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020277220.XU Active CN212351149U (en) | 2020-03-09 | 2020-03-09 | Centering clamping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212351149U (en) |
-
2020
- 2020-03-09 CN CN202020277220.XU patent/CN212351149U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |