CN108098680B - Pin-planting mechanism for positioning machining center - Google Patents
Pin-planting mechanism for positioning machining center Download PDFInfo
- Publication number
- CN108098680B CN108098680B CN201810022770.4A CN201810022770A CN108098680B CN 108098680 B CN108098680 B CN 108098680B CN 201810022770 A CN201810022770 A CN 201810022770A CN 108098680 B CN108098680 B CN 108098680B
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- cavity
- pull rod
- pin
- spring
- spring chuck
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- 230000007246 mechanism Effects 0.000 title claims description 11
- 230000008520 organization Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 4
- 238000009331 sowing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/026—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
A kind of pin organization used for positioning of the machining center, including outer cylinder, inner cylinder, body, spring, collet chuck, jack-up column, cylindrical pin and tie rod, its characterized in that: the shell upper end is provided with outer cylinder, the casing middle part is equipped with fore-and-aft logical chamber, is equipped with the pull rod in the logical chamber, and the pull rod internalization is equipped with the jack-prop, and the lower extreme in logical chamber is equipped with the collet chuck, and the outer wall in collet chuck contacts with the inner wall in logical chamber, and collet chuck upper end part is gone deep in the cavity in casing middle part, and the collet chuck passes through round nut to be connected with the pull rod, and the upper portion of cavity is equipped with the inner cylinder of distribution in logical chamber both sides, and the inner cylinder passes through the jump ring to be connected with the pull rod on the logical chamber, and the spring coupling of fore-and-aft setting on inner cylinder lower part and the cavity both sides inner wall, the other end and the collet chuck of spring are connected. The invention has the advantages that the pin shaft can be precisely positioned, the centering precision reaches 0.003mm, the cancellation guide length is long, and the application scene with interference fit requirement can be satisfied.
Description
Technical Field
The invention relates to the technical field of machine tools, in particular to a pin sowing mechanism for positioning a machining center.
Background
In machine component products, it is often necessary to connect the products or components together by pins that are driven into the components by means of a pin-seeding mechanism prior to connection. In the pin-planting process, the pin shaft can be accurately driven into the part only by ensuring that the pin shaft is aligned to the pin shaft hole site of the workpiece, namely, the pin shaft is positioned at a 'quasi-center' position, and the pin shaft is easily unqualified due to the dimensional tolerance of the pin shaft, the eccentricity of the pin shaft and the like, so that the connecting part of the guide pillar is firm, and the pin-planting effect is poorer especially when the pin shaft has smaller diameter size, shorter length, small insertion depth, correct workpiece material strength, interference fit requirement and the like.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a pin sowing mechanism for positioning a machining center, which has the advantages of accurate positioning and good pin sowing effect.
The technical scheme of the invention is as follows: a kind of pin organization used for positioning of the machining center, including outer cylinder, inner cylinder, body, spring, collet chuck, jack-up column, cylindrical pin and tie rod, its characterized in that: the upper end of the shell is provided with an outer cylinder, the middle part of the shell is provided with a longitudinal through cavity, the upper end of the through cavity is of a rectangular structure, the lower end of the through cavity is of a cone structure with a narrow upper part and a wide lower part, a pull rod is arranged in the through cavity, a jacking column is movably arranged in the pull rod, the upper part and the lower part of the jacking column are exposed out of the pull rod, the jacking column with the exposed upper part is connected with a piston rod of the outer cylinder, the outer cylinder can push the jacking column to vertically move downwards or upwards in the pull rod, the lower end of the through cavity is provided with a spring chuck, the outer wall of the spring chuck is contacted with the inner wall of the through cavity, the upper end part of the spring chuck stretches into a cavity in the middle of the shell, the spring chuck is connected with the pull rod through a round nut, the upper part of the cavity is provided with inner cylinders distributed on two sides of the through cavity, the inner cylinders are connected with the pull rod on the through cavity through clamp springs, the lower parts of the inner cylinders are connected with springs longitudinally arranged on the inner walls of the two sides of the cavity, the other ends of the springs are connected with the spring chuck, the inner cylinders can push the springs to move downwards in a compressed mode and synchronously drive the pull rod to move downwards, and meanwhile, the springs push the spring chuck to move downwards, and at the moment, the inner cylinders, the pull rod, the springs and the spring chuck move downwards together; the spring chuck is cone structure, and the spring chuck includes the rectangular chamber that the upper end set up and the cone afterbody that the lower extreme set up, and the lower part of pull rod is in deep into the rectangular intracavity, and the jack-prop that the lower part was exposed is in deep into the cone afterbody, is equipped with the round pin axle on the cone afterbody, and the round pin axle contacts with the jack-prop of top.
Further, the cone tail comprises a body and clamping jaws arranged at the lower part of the body, the clamping jaws are arranged round the body and are not contacted with each other, and the spring chuck moves upwards or downwards under the combined action of the inner air cylinder and the spring, so that the clamping jaws move back and forth in a rectangular area and a cone area of the through cavity: when the clamping jaw is in the rectangular area, the clamping jaw is in a normal state, and at the moment, the clamping jaw can just clamp the pin shaft; when the clamping jaw is in the cone area, the clamping jaw is in a stretching state, at the moment, the clamping jaw can loosen the pin shaft, and when the clamping jaw is completely separated from the cone area and separated from the shell, the pin shaft is completely loosened and separated from the spring chuck.
Further, a plurality of sealing rings are arranged at the contact part of the inner cylinder and the shell, so that gas or liquid can be prevented from entering, and the movement of the inner cylinder is influenced.
Further, a plurality of sealing rings are arranged at the contact part of the inner cylinder and the pull rod, so that gas or liquid can be prevented from entering, and the movement of the inner cylinder is influenced.
Further, the outer cylinder is connected with the ejector column through a cylinder ejector pin.
Further, the spring chuck is made of metal.
Further, the pin shaft is a cylindrical pin.
The beneficial effects of the invention are as follows: the pin-planting mechanism for positioning the machining center has the advantages that the pin shaft can be precisely positioned, the centering precision reaches 0.003mm, the cancellation guide length is long, and the application scene with interference fit requirements can be met.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure, a 1-outer cylinder, a 2-cylinder thimble, a 3-clamp spring, a 4-inner cylinder, a 5-seal ring, a 6-shell, a 7-round nut, an 8-spring, a 9-spring chuck, a 10-jacking column, an 11-cylindrical pin and a 12-pull rod are arranged.
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
as shown in fig. 1: a kind of pin organization used for positioning of the machining center, including outer cylinder 1, inner cylinder 4, body 6, spring 8, collet chuck 9, jack-up column 10, cylindrical pin 11 and tie rod 12, its characterized in that: the upper end of the shell 6 is provided with an outer cylinder 1, the middle part of the shell 6 is provided with a longitudinal through cavity, the upper end of the through cavity is of a rectangular structure, the lower end of the through cavity is of a cone structure with a narrow upper part and a wide lower part, a pull rod 12 is arranged in the through cavity, a jack post 10 is movably arranged in the pull rod 12, the upper part and the lower part of the jack post 10 are exposed out of the pull rod 12, the jack post 10 with the exposed upper part is connected with a piston rod of the outer cylinder 1, the outer cylinder 1 can push the jack post 10 to vertically move downwards or upwards in the pull rod 12, the lower end of the through cavity is provided with a spring chuck 9, the outer wall of the spring chuck 9 is contacted with the inner wall of the through cavity, the upper end part of the spring chuck 9 is deeply arranged in a cavity in the middle part of the shell 6, the spring chuck 9 is connected with the pull rod 12 through a round nut 7, the upper part of the cavity is provided with inner cylinders 4 distributed on two sides of the through cavities, the lower parts of the inner cylinders 4 are connected with the pull rod 12 on the through clamp springs 3, the longitudinally arranged springs 8 on the inner walls on the two sides of the cavity, the other ends of the springs 8 are connected with the spring chuck 9, the inner cylinders 4 can push the springs 8 to move downwards and synchronously compress the springs 12 and move downwards or move downwards, and the springs 8 move downwards and the springs 8 and the springs 9 move downwards together, and move downwards and the springs 8 and move downwards; the spring chuck 9 is of a cone structure, the spring chuck 9 comprises a rectangular cavity arranged at the upper end and a cone tail arranged at the lower end, the lower part of the pull rod 12 stretches into the rectangular cavity, the jack post 10 exposed at the lower part stretches into the cone tail, a pin shaft is arranged on the cone tail, and the pin shaft is in contact with the jack post 10 above.
Further, the cone tail comprises a body and clamping jaws arranged at the lower part of the body, the clamping jaws are arranged round the body and are not contacted with each other, and the spring chuck 9 moves upwards or downwards under the combined action of the inner cylinder 4 and the spring through the spring 8, so that the clamping jaws move back and forth in a rectangular area and a cone area of the through cavity: when the collet chuck 9 is completely in the shell 6, the clamping jaw can just clamp the pin shaft; when the jaws are exposed outside the housing, the jaws are in a spread apart condition, at which time the housing feeds the pin into the collet 9.
Further, a plurality of sealing rings 5 are arranged at the contact part of the inner cylinder 4 and the shell 6, so that gas or liquid can be prevented from entering, and the movement of the inner cylinder 4 is influenced.
Further, a plurality of sealing rings 5 are arranged at the contact part of the inner cylinder 4 and the pull rod 12, so that gas or liquid can be prevented from entering, and the movement of the inner cylinder 4 is influenced.
Further, the outer cylinder 1 is connected with a jacking column 10 through a cylinder thimble 2.
Further, the spring clip 9 is made of metal.
Further, the pin shaft is a cylindrical pin 11.
The principle of the invention is as follows: firstly, an inner cylinder pushes a spring to compress, so as to push a spring chuck to move downwards, a clamping jaw of the spring chuck is exposed out of a shell, so that the spring chuck is opened, a pin roll (such as a cylindrical pin) is fed into the spring chuck, the spring chuck cannot fall into the lower part of a through cavity due to the blocking effect of a round nut at the upper end, namely, the spring chuck is always partially left in a cavity of the shell, an air source is synchronously disconnected from an outer cylinder, the work is stopped, the inner cylinder moves upwards under the action force of rebound restoration of the spring, the spring chuck moves upwards, the clamping jaw of the spring chuck gradually returns into the shell, the spring chuck tightens up, the pin roll is clamped by the spring chuck until the spring is restored to the original shape, and at the moment, the pin roll is completely clamped; and then, the outer cylinder is connected with an air source to start working, and the outer cylinder rapidly impacts the jacking column through the cylinder thimble to drive the pin shaft into the through hole of the workpiece to finish pin planting work. The above-mentioned work can be successively circulated, so that the pin-planting work can be continuously implemented.
The foregoing embodiments and description have been provided merely to illustrate the principles and best modes of carrying out the invention, and various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A kind of pin organization used for positioning of the machining center, including outer cylinder, inner cylinder, body, spring, collet chuck, jack-up column, cylindrical pin and tie rod, its characterized in that: the upper end of the shell is provided with an outer cylinder, the middle part of the shell is provided with a longitudinal through cavity, the upper end of the through cavity is of a rectangular structure, the lower end of the through cavity is of a cone structure with a narrow upper part and a wide lower part, a pull rod is arranged in the through cavity, a jacking column is movably arranged in the pull rod, the upper part and the lower part of the jacking column are exposed out of the pull rod, the jacking column with the exposed upper part is connected with a piston rod of the outer cylinder, the outer cylinder can push the jacking column to vertically move downwards or upwards in the pull rod, the lower end of the through cavity is provided with a spring chuck, the outer wall of the spring chuck is contacted with the inner wall of the through cavity, the upper end part of the spring chuck stretches into a cavity in the middle of the shell, the spring chuck is connected with the pull rod through a round nut, the upper part of the cavity is provided with inner cylinders distributed on two sides of the through cavity, the inner cylinders are connected with the pull rod on the through cavity through clamp springs, the lower parts of the inner cylinders are connected with springs longitudinally arranged on the inner walls of the two sides of the cavity, the other ends of the springs are connected with the spring chuck, the inner cylinders can push the springs to move downwards in a compressed mode and synchronously drive the pull rod to move downwards, and meanwhile, the springs push the spring chuck to move downwards, and at the moment, the inner cylinders, the pull rod, the springs and the spring chuck move downwards together; the spring chuck is of a cone structure and comprises a rectangular cavity arranged at the upper end and a cone tail arranged at the lower end, the lower part of the pull rod stretches into the rectangular cavity, the jack post exposed at the lower part stretches into the cone tail, a pin shaft is arranged on the cone tail, and the pin shaft is in contact with the jack post above; the cone tail comprises a body and clamping jaws arranged at the lower part of the body, the clamping jaws are arranged round the body and are not contacted with each other, and the spring chuck moves upwards or downwards under the combined action of the inner air cylinder and the spring through the spring, so that the clamping jaws move back and forth in a rectangular area and a cone area of the through cavity: when the clamping jaw is in the rectangular area, the clamping jaw is in a normal state, and at the moment, the clamping jaw can clamp the pin shaft just.
2. The seed pin mechanism for positioning of a machining center of claim 1, wherein: and a plurality of sealing rings are arranged at the contact part of the inner cylinder and the shell.
3. The seed pin mechanism for positioning of a machining center of claim 1, wherein: and a plurality of sealing rings are arranged at the contact part of the inner cylinder and the pull rod.
4. The seed pin mechanism for positioning of a machining center of claim 1, wherein: the outer cylinder is connected with the ejector column through a cylinder ejector pin.
5. The seed pin mechanism for positioning of a machining center of claim 1, wherein: the spring chuck is made of metal.
6. The seed pin mechanism for positioning of a machining center of claim 1, wherein: the pin shaft is a cylindrical pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810022770.4A CN108098680B (en) | 2018-01-10 | 2018-01-10 | Pin-planting mechanism for positioning machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810022770.4A CN108098680B (en) | 2018-01-10 | 2018-01-10 | Pin-planting mechanism for positioning machining center |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108098680A CN108098680A (en) | 2018-06-01 |
| CN108098680B true CN108098680B (en) | 2024-04-02 |
Family
ID=62219849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810022770.4A Active CN108098680B (en) | 2018-01-10 | 2018-01-10 | Pin-planting mechanism for positioning machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108098680B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4455044A (en) * | 1981-05-18 | 1984-06-19 | General Electric Company | Tool for picking up and inserting different length bolts |
| KR19980045941U (en) * | 1996-12-27 | 1998-09-25 | 김종진 | Removal device for chain link pin |
| KR20030061882A (en) * | 2002-01-12 | 2003-07-23 | 삼성테크윈 주식회사 | Part gripper |
| CN202910331U (en) * | 2012-11-14 | 2013-05-01 | 南京迈新特机械制造有限公司 | Chuck |
| CN203541985U (en) * | 2013-09-13 | 2014-04-16 | 南京泉峰汽车精密技术有限公司 | Power pin puller |
| CN204487477U (en) * | 2015-03-30 | 2015-07-22 | 亿达日平机床有限公司 | The filling device that a kind of auxiliary work-piece is out of stock |
| CN205673624U (en) * | 2016-06-07 | 2016-11-09 | 冯振华 | A kind of turning attachment |
| CN207901041U (en) * | 2018-01-10 | 2018-09-25 | 中山速钺智能装备有限公司 | A kind of kind pin mechanism of positioning for machining center |
-
2018
- 2018-01-10 CN CN201810022770.4A patent/CN108098680B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4455044A (en) * | 1981-05-18 | 1984-06-19 | General Electric Company | Tool for picking up and inserting different length bolts |
| KR19980045941U (en) * | 1996-12-27 | 1998-09-25 | 김종진 | Removal device for chain link pin |
| KR20030061882A (en) * | 2002-01-12 | 2003-07-23 | 삼성테크윈 주식회사 | Part gripper |
| CN202910331U (en) * | 2012-11-14 | 2013-05-01 | 南京迈新特机械制造有限公司 | Chuck |
| CN203541985U (en) * | 2013-09-13 | 2014-04-16 | 南京泉峰汽车精密技术有限公司 | Power pin puller |
| CN204487477U (en) * | 2015-03-30 | 2015-07-22 | 亿达日平机床有限公司 | The filling device that a kind of auxiliary work-piece is out of stock |
| CN205673624U (en) * | 2016-06-07 | 2016-11-09 | 冯振华 | A kind of turning attachment |
| CN207901041U (en) * | 2018-01-10 | 2018-09-25 | 中山速钺智能装备有限公司 | A kind of kind pin mechanism of positioning for machining center |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108098680A (en) | 2018-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yongcan Inventor after: Xu Jiating Inventor after: Tan Yinshu Inventor after: Yang Hailin Inventor before: Zhang Yongcan Inventor before: Xu Jiating Inventor before: Tan Yinshu |
|
| CB03 | Change of inventor or designer information | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |