CN113231972A - Method suitable for quickly positioning and clamping parts - Google Patents
Method suitable for quickly positioning and clamping parts Download PDFInfo
- Publication number
- CN113231972A CN113231972A CN202110480775.3A CN202110480775A CN113231972A CN 113231972 A CN113231972 A CN 113231972A CN 202110480775 A CN202110480775 A CN 202110480775A CN 113231972 A CN113231972 A CN 113231972A
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- cylinder
- positioning
- handle
- positioning pin
- pin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention discloses a method suitable for quickly positioning and clamping parts, which belongs to the technical field of metal cutting and machining and is characterized by comprising the following steps of: a. when the part is positioned and clamped, the elastic handle of the positioning pin is pulled up, and the first cylinder moves along the direction of the U-shaped groove and is used for adjusting the working length of the positioning pin; b. releasing the elastic handle, fixing the relative position of the elastic handle and the second cylinder by the limiting pin, and taking the first cylinder as the working end of the positioning pin; c. a first part positioning hole on the part is superposed with a first tool positioning hole on the tool, a first cylinder is inserted into the first part positioning hole and the first tool positioning hole, and the relative position of the part and the tool is fixed; d. and the positioning pin is taken down before the screw or the pressing plate is pressed, so that the rapid positioning and clamping of the part are realized. The invention is suitable for positioning pin holes with different heights, has strong applicability and can effectively improve the clamping efficiency.
Description
Technical Field
The invention relates to the technical field of metal cutting machining, in particular to a method suitable for quickly positioning and clamping parts.
Background
In the machining process, in order to guarantee the quality requirement after the part is machined, the part must be accurately aligned with a tool when being clamped and positioned, the position of a part positioning hole and the position of a tool positioning hole are overlapped, a positioning pin is inserted into the positioning hole of the part positioning hole, the degree of freedom of the part and the tool is limited, and a compression screw or a pressure plate is used for positioning and clamping.
At present, the types of the used positioning pins are various, common positioning pins with the diameter of 16 are universal positioning pins, opening positioning pins and a few positioning pins with other diameters, and the positioning pin with each diameter is only suitable for positioning holes with one diameter. Because of the structural complexity and the diversity of aviation class structure spare, the part locating hole has diameter 12, diameter 16, 18 multiple apertures of diameter, and the part locating pin hole is highly different simultaneously, at the location clamping in-process, need prepare two locating pins of same specification at least on a part to the locating pin of multiple specification is put in annex frame box, leads to the locating pin kind many, and the stock is big, occupation space resource, and is with high costs, and it takes long time to look for the locating pin of suitable specification at every turn, influences clamping efficiency.
Chinese patent publication No. CN 112264953a, published 2021, 01/26/3, discloses a positioning method of a self-locking screwed positioning pin, comprising the following steps:
A. when the checking fixture or the tool fixture is used for mounting a part or an assembly, the screwing adjusting cap is rotated to drive the pressing head to move outwards, the L-shaped pressing head of the pressing head moves to the inside of the positioning pin column, at the moment, the part positioning hole is not axially limited, and the part is mounted in the positioning pin;
B. when the installation of the part or the assembly is finished, after the part on the positioning pin is placed on the positioning pin column through the part positioning hole, the tightening adjusting cap at one end of the self-locking tightening positioning pin is rotated to realize the pressing motion of the locking stud pin, the pressing head is driven to move along the motion track of the special-shaped hole at one end of the pressing head on the clamping rod, the L-shaped pressing head on the positioning pin column is pressed inwards, and the locking and limiting functions of the plate are realized;
C. after the parts and the assembly are finished, the screwing adjusting cap is rotated to drive the pressing head to pull outwards, the axial limitation on the part positioning hole is removed, and the parts are dismounted.
The positioning method of the self-locking screwed positioning pin disclosed in the patent document has the advantages of small size, convenience, easy operation and cost saving. However, the positioning pin holes with different heights are poor in applicability, and clamping efficiency is affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a method suitable for quickly positioning and clamping parts, is suitable for positioning pin holes with different heights, has strong applicability and can effectively improve the clamping efficiency.
The invention is realized by the following technical scheme:
a method suitable for quickly positioning and clamping parts is characterized by comprising the following steps:
a. when the part is positioned and clamped, the elastic handle of the positioning pin is pulled up, the first cylinder moves along the direction of the U-shaped groove, one end of the first cylinder extends into the second cylinder, and the other end of the first cylinder extends out of the second cylinder and is used for adjusting the working length of the positioning pin;
b. releasing the elastic handle, fixing the relative position of the elastic handle and the second cylinder by the limiting pin, and taking the first cylinder as the working end of the positioning pin;
c. a first part positioning hole on the part is superposed with a first tool positioning hole on the tool, a first cylinder is inserted into the first part positioning hole and the first tool positioning hole, and the relative position of the part and the tool is fixed;
d. and the positioning pin is taken down before the screw or the pressing plate is pressed, so that the rapid positioning and clamping of the part are realized.
In the step a, the positioning pin comprises a hanging ring, a handle, a first cylinder and a second cylinder, one end of the handle is rotatably connected with the hanging ring, the other end of the handle is connected with the second cylinder, a U-shaped groove is formed in the second cylinder, an elastic handle is arranged in the U-shaped groove, a limiting pin is arranged on the elastic handle, and the first cylinder and the second cylinder are movably connected through the elastic handle.
Be provided with on the second cylinder and be used for carrying on spacing boss to the elasticity handle, spacing boss is cyclic annular, and spacing boss detachable connects on the outer wall of second cylinder.
The diameter of the second cylinder is larger than the diameter of the first cylinder.
In the step a, the step of adjusting the working length of the positioning pin specifically refers to adjusting the working length of the positioning pin by adjusting the elastic handle according to different heights of the positioning pin holes of the parts.
The beneficial effects of the invention are mainly shown in the following aspects:
1. according to the invention, a, when a part is positioned and clamped, an elastic handle of a positioning pin is pulled up, a first cylinder moves along the direction of a U-shaped groove, one end of the first cylinder extends into a second cylinder, and the other end of the first cylinder extends out of the second cylinder and is used for adjusting the working length of the positioning pin; b. releasing the elastic handle, fixing the relative position of the elastic handle and the second cylinder by the limiting pin, and taking the first cylinder as the working end of the positioning pin; c. a first part positioning hole on the part is superposed with a first tool positioning hole on the tool, a first cylinder is inserted into the first part positioning hole and the first tool positioning hole, and the relative position of the part and the tool is fixed; d. a screw or a pressing plate is pressed, and a positioning pin is taken down before processing, so that the rapid positioning and clamping of the part are realized; compared with the prior art, when the part is positioned and clamped, the working length of the positioning pin can be adjusted by adjusting the elastic handle, so that the positioning pin is suitable for positioning pin holes with different heights, the applicability is strong, and the clamping efficiency can be effectively improved.
2. In the step a, the positioning pin comprises a lifting ring, a handle, a first cylinder and a second cylinder, one end of the handle is rotatably connected with the lifting ring, the other end of the handle is connected with the second cylinder, a U-shaped groove is formed in the second cylinder, an elastic handle is arranged in the U-shaped groove, a limiting pin is arranged on the elastic handle, the first cylinder and the second cylinder are movably connected through the elastic handle, the integral structure is simple, the two-section structure of the first cylinder and the second cylinder is adopted, the clamping and positioning requirements only suitable for a single hole diameter can be avoided, the applicability is better, and the clamping efficiency is more favorably improved.
3. According to the invention, the second cylinder is provided with the limiting boss for limiting the elastic handle, the limiting boss is annular, the limiting boss is detachably connected to the outer wall of the second cylinder, and the limiting boss is arranged, so that the elastic handle can be prevented from being damaged in the use process, and the use reliability of the positioning pin is ensured.
4. The positioning pin has the advantages of good machinability, simple structure, convenience in operation, good universality, lower manufacturing cost and high clamping efficiency.
Drawings
The invention will be further described in detail with reference to the drawings and the detailed description, wherein:
FIG. 1 is a schematic structural view of a locating pin according to the present invention;
FIG. 2 is a schematic structural view of a locating pin locating and clamping part according to the present invention;
the labels in the figure are: 1. rings, 2, handle, 3, second cylinder, 4, first cylinder, 5, elasticity handle, 6, spacer pin, 7, U type groove, 8, spacing boss.
Detailed Description
Example 1
Referring to fig. 1 and 2, a method for quickly positioning and clamping a part includes the following steps:
a. when the part is positioned and clamped, the elastic handle 5 of the positioning pin is pulled up, the first cylinder 4 moves along the direction of the U-shaped groove 7, one end of the first cylinder 4 extends into the second cylinder 3, and the other end of the first cylinder 4 extends out of the second cylinder 3 and is used for adjusting the working length of the positioning pin;
b. releasing the elastic handle 5, fixing the relative position of the elastic handle 5 and the second cylinder 3 by the limiting pin 6, and taking the first cylinder 4 as the working end of the positioning pin;
c. a first part positioning hole on the part is superposed with a first tool positioning hole on the tool, the first cylinder 4 is inserted into the first part positioning hole and the first tool positioning hole, and the relative position of the part and the tool is fixed;
d. and the positioning pin is taken down before the screw or the pressing plate is pressed, so that the rapid positioning and clamping of the part are realized.
The embodiment is the most basic embodiment, a, when a part is positioned and clamped, the elastic handle 5 of the positioning pin is pulled up, the first cylinder 4 moves along the direction of the U-shaped groove 7, one end of the first cylinder 4 extends into the second cylinder 3, and the other end of the first cylinder 4 extends out of the second cylinder 3 for adjusting the working length of the positioning pin; b. releasing the elastic handle 5, fixing the relative position of the elastic handle 5 and the second cylinder 3 by the limiting pin 6, and taking the first cylinder 4 as the working end of the positioning pin; c. a first part positioning hole on the part is superposed with a first tool positioning hole on the tool, the first cylinder 4 is inserted into the first part positioning hole and the first tool positioning hole, and the relative position of the part and the tool is fixed; d. a screw or a pressing plate is pressed, and a positioning pin is taken down before processing, so that the rapid positioning and clamping of the part are realized; compared with the prior art, when the part is positioned and clamped, the working length of the positioning pin can be adjusted by adjusting the elastic handle 5, so that the positioning pin is suitable for positioning pin holes with different heights, the applicability is strong, and the clamping efficiency can be effectively improved.
Example 2
Referring to fig. 1 and 2, a method for quickly positioning and clamping a part includes the following steps:
a. when the part is positioned and clamped, the elastic handle 5 of the positioning pin is pulled up, the first cylinder 4 moves along the direction of the U-shaped groove 7, one end of the first cylinder 4 extends into the second cylinder 3, and the other end of the first cylinder 4 extends out of the second cylinder 3 and is used for adjusting the working length of the positioning pin;
b. releasing the elastic handle 5, fixing the relative position of the elastic handle 5 and the second cylinder 3 by the limiting pin 6, and taking the first cylinder 4 as the working end of the positioning pin;
c. a first part positioning hole on the part is superposed with a first tool positioning hole on the tool, the first cylinder 4 is inserted into the first part positioning hole and the first tool positioning hole, and the relative position of the part and the tool is fixed;
d. and the positioning pin is taken down before the screw or the pressing plate is pressed, so that the rapid positioning and clamping of the part are realized.
In the step a, the positioning pin comprises a hanging ring 1, a handle 2, a first cylinder 4 and a second cylinder 3, one end of the handle 2 is rotatably connected with the hanging ring 1, the other end of the handle 2 is connected with the second cylinder 3, a U-shaped groove 7 is formed in the second cylinder 3, an elastic handle 5 is arranged in the U-shaped groove 7, a limiting pin 6 is arranged on the elastic handle 5, and the first cylinder 4 is movably connected with the second cylinder 3 through the elastic handle 5.
The embodiment is a preferred embodiment, in step a, the locating pin includes rings 1, handle 2, first cylinder 4 and second cylinder 3, the one end and the rings 1 of handle 2 rotate to be connected, the other end and the second cylinder 3 of handle 2 are connected, it has U type groove 7 to open on the second cylinder 3, be provided with elasticity handle 5 in the U type groove 7, be provided with spacer pin 6 on the elasticity handle 5, first cylinder 4 and second cylinder 3 pass through 5 swing joint of elasticity handle, overall structure is simple, adopt the two segmentation clamping structures of first cylinder 4 and second cylinder 3, can avoid the clamping location demand that only is applicable to single aperture, and the suitability is better, more be favorable to improving efficiency.
Example 3
Referring to fig. 1 and 2, a method for quickly positioning and clamping a part includes the following steps:
a. when the part is positioned and clamped, the elastic handle 5 of the positioning pin is pulled up, the first cylinder 4 moves along the direction of the U-shaped groove 7, one end of the first cylinder 4 extends into the second cylinder 3, and the other end of the first cylinder 4 extends out of the second cylinder 3 and is used for adjusting the working length of the positioning pin;
b. releasing the elastic handle 5, fixing the relative position of the elastic handle 5 and the second cylinder 3 by the limiting pin 6, and taking the first cylinder 4 as the working end of the positioning pin;
c. a first part positioning hole on the part is superposed with a first tool positioning hole on the tool, the first cylinder 4 is inserted into the first part positioning hole and the first tool positioning hole, and the relative position of the part and the tool is fixed;
d. and the positioning pin is taken down before the screw or the pressing plate is pressed, so that the rapid positioning and clamping of the part are realized.
In the step a, the positioning pin comprises a hanging ring 1, a handle 2, a first cylinder 4 and a second cylinder 3, one end of the handle 2 is rotatably connected with the hanging ring 1, the other end of the handle 2 is connected with the second cylinder 3, a U-shaped groove 7 is formed in the second cylinder 3, an elastic handle 5 is arranged in the U-shaped groove 7, a limiting pin 6 is arranged on the elastic handle 5, and the first cylinder 4 is movably connected with the second cylinder 3 through the elastic handle 5.
Be provided with on the second cylinder 3 and be used for carrying on spacing boss 8 to elastic handle 5, spacing boss 8 is cyclic annular, and spacing boss 8 is detachable to be connected on the outer wall of second cylinder 3.
The embodiment is a further preferred embodiment, the second cylinder 3 is provided with a limiting boss 8 for limiting the elastic handle 5, the limiting boss 8 is annular, the limiting boss 8 is detachably connected to the outer wall of the second cylinder 3, and by providing the limiting boss 8, the elastic handle 5 can be prevented from being damaged in the using process, so that the use reliability of the positioning pin is ensured.
Example 4
Referring to fig. 1 and 2, a method for quickly positioning and clamping a part includes the following steps:
a. when the part is positioned and clamped, the elastic handle 5 of the positioning pin is pulled up, the first cylinder 4 moves along the direction of the U-shaped groove 7, one end of the first cylinder 4 extends into the second cylinder 3, and the other end of the first cylinder 4 extends out of the second cylinder 3 and is used for adjusting the working length of the positioning pin;
b. releasing the elastic handle 5, fixing the relative position of the elastic handle 5 and the second cylinder 3 by the limiting pin 6, and taking the first cylinder 4 as the working end of the positioning pin;
c. a first part positioning hole on the part is superposed with a first tool positioning hole on the tool, the first cylinder 4 is inserted into the first part positioning hole and the first tool positioning hole, and the relative position of the part and the tool is fixed;
d. and the positioning pin is taken down before the screw or the pressing plate is pressed, so that the rapid positioning and clamping of the part are realized.
In the step a, the positioning pin comprises a hanging ring 1, a handle 2, a first cylinder 4 and a second cylinder 3, one end of the handle 2 is rotatably connected with the hanging ring 1, the other end of the handle 2 is connected with the second cylinder 3, a U-shaped groove 7 is formed in the second cylinder 3, an elastic handle 5 is arranged in the U-shaped groove 7, a limiting pin 6 is arranged on the elastic handle 5, and the first cylinder 4 is movably connected with the second cylinder 3 through the elastic handle 5.
Be provided with on the second cylinder 3 and be used for carrying on spacing boss 8 to elastic handle 5, spacing boss 8 is cyclic annular, and spacing boss 8 is detachable to be connected on the outer wall of second cylinder 3.
The diameter of the second cylinder 3 is larger than the diameter of the first cylinder 4.
In the step a, the step of adjusting the working length of the positioning pin specifically refers to adjusting the working length of the positioning pin by adjusting the elastic handle 5 according to different heights of the positioning pin holes of the parts.
The positioning pin is the best mode, and has the advantages of good machinability, simple structure, convenience in operation, good universality, lower manufacturing cost and high clamping efficiency.
Claims (5)
1. A method suitable for quickly positioning and clamping parts is characterized by comprising the following steps:
a. when a part is positioned and clamped, the elastic handle (5) of the positioning pin is pulled up, the first cylinder (4) moves along the direction of the U-shaped groove (7), one end of the first cylinder (4) extends into the second cylinder (3), and the other end of the first cylinder (4) extends out of the second cylinder (3) and is used for adjusting the working length of the positioning pin;
b. the elastic handle (5) is released, the limiting pin (6) fixes the relative position of the elastic handle (5) and the second cylinder (3), and the first cylinder (4) is used as the working end of the positioning pin;
c. a first part positioning hole on the part is superposed with a first tool positioning hole on the tool, a first cylinder (4) is inserted into the first part positioning hole and the first tool positioning hole, and the relative position of the part and the tool is fixed;
d. and the positioning pin is taken down before the screw or the pressing plate is pressed, so that the rapid positioning and clamping of the part are realized.
2. The method for rapidly positioning and clamping the part according to claim 1, wherein the method comprises the following steps: in the step a, the positioning pin comprises a hanging ring (1), a handle (2), a first cylinder (4) and a second cylinder (3), one end of the handle (2) is rotatably connected with the hanging ring (1), the other end of the handle (2) is connected with the second cylinder (3), a U-shaped groove (7) is formed in the second cylinder (3), an elastic handle (5) is arranged in the U-shaped groove (7), a limiting pin (6) is arranged on the elastic handle (5), and the first cylinder (4) and the second cylinder (3) are movably connected through the elastic handle (5).
3. The method for rapidly positioning and clamping the part according to claim 2, wherein the method comprises the following steps: be provided with on second cylinder (3) and be used for carrying on spacing boss (8) to elasticity handle (5), spacing boss (8) are cyclic annular, and spacing boss (8) detachable connection is on the outer wall of second cylinder (3).
4. The method for rapidly positioning and clamping the part according to claim 3, wherein the method comprises the following steps: the diameter of the second cylinder (3) is larger than that of the first cylinder (4).
5. The method for rapidly positioning and clamping the part according to claim 4, wherein the method comprises the following steps: in the step a, the working length of the positioning pin is adjusted by adjusting the elastic handle (5) according to different heights of the positioning pin hole of the part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480775.3A CN113231972A (en) | 2021-04-30 | 2021-04-30 | Method suitable for quickly positioning and clamping parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110480775.3A CN113231972A (en) | 2021-04-30 | 2021-04-30 | Method suitable for quickly positioning and clamping parts |
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| Publication Number | Publication Date |
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| CN113231972A true CN113231972A (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110480775.3A Pending CN113231972A (en) | 2021-04-30 | 2021-04-30 | Method suitable for quickly positioning and clamping parts |
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| CN (1) | CN113231972A (en) |
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| CN206830594U (en) * | 2017-05-15 | 2018-01-02 | 东莞市康锋五金有限公司 | A kind of improved pin |
| CN108445992A (en) * | 2018-04-24 | 2018-08-24 | 洛阳师范学院 | A kind of main frame of conveniently fast disassembling component |
| CN209719795U (en) * | 2019-03-27 | 2019-12-03 | 潘冬海 | Reflection mirror for bicycle |
| CN210240409U (en) * | 2019-07-04 | 2020-04-03 | 常州市东力机械有限公司 | Nitrogen spring of quick installation |
| CN212145378U (en) * | 2020-03-05 | 2020-12-15 | 西安法士特汽车传动有限公司 | Elastic positioning pin mechanism |
| CN112264953A (en) * | 2020-09-24 | 2021-01-26 | 中国第一汽车股份有限公司 | Self-locking and screwing positioning pin and positioning method thereof |
-
2021
- 2021-04-30 CN CN202110480775.3A patent/CN113231972A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM322971U (en) * | 2007-05-11 | 2007-12-01 | Yi-Jr Bai | Fast positioning structure for assembly of scaffold |
| JP2013127279A (en) * | 2011-12-16 | 2013-06-27 | Toyota Motor East Japan Inc | Positioning device |
| CN103056830A (en) * | 2012-12-31 | 2013-04-24 | 东风汽车股份有限公司 | Pin puller for positioning pin |
| CN203356931U (en) * | 2013-07-31 | 2013-12-25 | 安徽江淮汽车股份有限公司 | Positioning-pin driving structure and manual telescopic positioning-pin structure |
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| CN108445992A (en) * | 2018-04-24 | 2018-08-24 | 洛阳师范学院 | A kind of main frame of conveniently fast disassembling component |
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Application publication date: 20210810 |
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