CN109865984B - Link gear pressing process - Google Patents
Link gear pressing process Download PDFInfo
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- CN109865984B CN109865984B CN201910207551.8A CN201910207551A CN109865984B CN 109865984 B CN109865984 B CN 109865984B CN 201910207551 A CN201910207551 A CN 201910207551A CN 109865984 B CN109865984 B CN 109865984B
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- crosspiece
- ring
- pressing
- chain
- gear
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Abstract
A chain link gear-pressing process comprises the following operation steps; sanding circular arc surfaces of two ends of the crosspiece, which are in contact with the ring body, before pressing the crosspiece until no burr or bulge exists; polishing the contact part of the inner side of the ring body and the crosspiece after removing the thorns and before pressing the crosspiece to avoid the defects of folding or cracking and the like in the indentation; step three, during gear pressing, an operator clamps the crosspiece by using a clamp to place the crosspiece in the center of the ring body, controls the temperature of the chain ring during gear pressing, obtains the ring length and the ring width meeting the drawing requirements by debugging a gear pressing machine, records the stroke of the die and limits the position according to the stroke; the invention can effectively prevent the problems of offset, inclination, uneven indentation and the like of the crosspiece, and can obtain the crosspiece indentation with accurate position and uniform depth under the condition of meeting the overall size of the chain ring, thereby meeting the standard requirement.
Description
Technical Field
The invention relates to the field of chain rings, in particular to a chain ring gear pressing process.
Background
Hawsers are important outfitting on ships, mainly used for mooring ships; the retaining ring is the type of the anchor chain which has the longest use time and the widest use, and the main structure is that a dumbbell-shaped crosspiece is inserted into the center of an oval ring body. The installation of crosspiece can effectively improve the stress distribution of oval ring body, improves the life of chain ring to provide the wholeness ability of anchor chain.
The crosspiece is mainly made through the mode of hot pressing, and during the system chain, after the chain link body passes through flows such as induction heating, bending, welding, deburring, impresses the crosspiece under certain heating temperature's the circumstances, can adopt the welding form to consolidate the crosspiece edge as required afterwards, has formed the anchor chain ring that has the grade promptly. The quality of the rail is ensured by a series of process control measures, since the shape, position and depth of the run-in of the rail have a significant influence on the performance of the chain link.
Disclosure of Invention
The invention aims to provide a chain link gear-pressing process, which is simple in method and convenient to operate, ensures the performance of a chain link and solves the technical problems.
In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that: a chain link gear-pressing process is characterized in that: comprises the following steps of; sanding circular arc surfaces of two ends of the crosspiece, which are in contact with the ring body, before pressing the crosspiece until no burr or bulge exists; polishing the contact part of the inner side of the ring body and the crosspiece after removing the thorns and before pressing the crosspiece to avoid the defects of folding or cracking and the like in the indentation; and step three, when in gear pressing, an operator clamps the crosspiece by using a clamp to place the crosspiece in the center of the ring body, controls the temperature of the chain ring during gear pressing, obtains the ring length and the ring width meeting the drawing requirements by debugging the gear pressing machine, records the stroke of the die and limits the position according to the stroke.
Preferably: the temperature of the chain ring is controlled between 400 ℃ and 700 ℃ during gear pressing.
Preferably: when the gear is pressed, the temperature difference of the straight parts on the two sides of the chain ring does not exceed 200 ℃, and the side with higher temperature can be cooled to the specified temperature range by compressed air or other modes.
Preferably: and the pliers are provided with a positioning device for controlling the position of the crosspiece.
The invention has the beneficial effects; a chain ring gear pressing process can effectively prevent the problems of offset, inclination, uneven indentation and the like of a crosspiece by controlling the surface quality and the gear pressing temperature of the crosspiece and arranging a positioning device on a clamp, and can obtain the crosspiece indentation with accurate position and uniform depth under the condition of meeting the overall size of a chain ring to meet the standard requirement; is suitable for batch production.
Detailed Description
In order to make the objects, technical solutions and advantageous technical effects of the present invention clearer, the present invention is further described in detail below with reference to specific embodiments;
a chain link gear-pressing process is characterized in that: comprises the following steps of; sanding circular arc surfaces of two ends of the crosspiece, which are in contact with the ring body, before pressing the crosspiece until no burr or bulge exists; polishing the contact part of the inner side of the ring body and the crosspiece after removing the thorns and before pressing the crosspiece to avoid the defects of folding or cracking and the like in the indentation; and step three, when in gear pressing, an operator clamps the crosspiece by using a clamp to place the crosspiece in the center of the ring body, controls the temperature of the chain ring during gear pressing, obtains the ring length and the ring width meeting the drawing requirements by debugging the gear pressing machine, records the stroke of the die and limits the position according to the stroke.
The temperature of the chain ring is controlled between 400 ℃ and 700 ℃ during gear pressing; when the gear is pressed, the temperature difference of straight parts on two sides of the chain ring does not exceed 200 ℃, and the side with higher temperature can be cooled to a specified temperature range by compressed air or other modes; and the pliers are provided with a positioning device for controlling the position of the crosspiece.
The invention is implemented specifically as follows: firstly, before pressing the crosspiece, sanding the arc surfaces of the two ends of the crosspiece, which are in contact with the ring body, until no burr or bulge exists; then, the contact part of the inner side of the ring body of the chain ring and the crosspiece is polished, so that the defects of folding or cracking and the like in the indentation are avoided; pressing the gear after the treatment is finished, wherein an operator clamps the crosspiece by using a clamp with a positioning device and places the crosspiece in the center of the chain ring body when pressing the gear, the temperature of the chain ring is set to be 400 ℃ when pressing the gear, the temperature difference of straight body parts on two sides of the chain ring is not more than 200 ℃, and the side with higher temperature can be cooled to a specified temperature range by compressed air or other modes; finally, obtaining the ring length and the ring width meeting the drawing requirements by adjusting a pressure test gear machine, recording the stroke of the die and limiting according to the stroke; the pressing depth of the crosspiece is 0.02 d-0.06 d, wherein d is the nominal diameter of the chain ring.
By adopting the gear pressing process, the service life of the chain ring is prolonged, and the overall performance of the anchor chain is enhanced; the problems of offset, inclination, uneven indentation and the like of the crosspiece are effectively prevented, and the accurate-position and uniform-depth crosspiece indentation can be obtained under the condition of meeting the overall size of the chain ring, so that the standard requirement is met; the temperature of the chain ring may also be set to 500 ℃, 600 ℃ or 700 ℃ during the pressing.
The foregoing examples are given solely for the purpose of illustrating the invention and are not to be construed as limiting the embodiments, and other variations and modifications in form thereof will be suggested to those skilled in the art upon reading the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments and all such obvious variations and modifications are deemed to be within the scope of the invention.
Claims (1)
1. A chain link gear-pressing process is characterized in that: comprises the following steps of; sanding circular arc surfaces of two ends of the crosspiece, which are in contact with the ring body, before pressing the crosspiece until no burr or bulge exists; polishing the contact part of the inner side of the ring body and the crosspiece after removing the burrs and before pressing the crosspiece to avoid the generation of folding or crack defects in the indentation; step three, during gear pressing, an operator clamps the crosspiece by using a clamp to place the crosspiece in the center of the ring body, controls the temperature of the chain ring during gear pressing, obtains the ring length and the ring width meeting the drawing requirements by debugging a gear pressing machine, records the stroke of the die and limits the position according to the stroke; the temperature of the chain ring is controlled between 400 ℃ and 700 ℃ during gear pressing; when the gear is pressed, the temperature difference of straight parts on two sides of the chain ring does not exceed 200 ℃, and the side with higher temperature can be cooled to a specified temperature range in a compressed air mode; and the pliers are provided with a positioning device for controlling the position of the crosspiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910207551.8A CN109865984B (en) | 2019-03-19 | 2019-03-19 | Link gear pressing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910207551.8A CN109865984B (en) | 2019-03-19 | 2019-03-19 | Link gear pressing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109865984A CN109865984A (en) | 2019-06-11 |
| CN109865984B true CN109865984B (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910207551.8A Active CN109865984B (en) | 2019-03-19 | 2019-03-19 | Link gear pressing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109865984B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114211203A (en) * | 2021-12-17 | 2022-03-22 | 江苏亚星锚链股份有限公司 | Chain ring with crosspiece and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689133A (en) * | 2011-03-21 | 2012-09-26 | 江苏亚星锚链股份有限公司 | Rung pressing process of R5-level mooring chain ring |
| CN205308985U (en) * | 2016-01-22 | 2016-06-15 | 青岛天顺达机械制造有限公司 | Anchor chain unit extrusion crosspiece device |
| CN107082341A (en) * | 2017-05-16 | 2017-08-22 | 江苏兴华胶带股份有限公司 | A kind of production method of express elevator balanced compensated chain and its anchor chain |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101352750B (en) * | 2008-09-03 | 2011-03-16 | 莱芜钢铁集团有限公司 | Technique for calendering mooring chain transom |
| US8464414B2 (en) * | 2010-03-09 | 2013-06-18 | Lorenzo R. Gutierrez | Vehicle motor mounting tool |
| US8978568B2 (en) * | 2012-04-16 | 2015-03-17 | The United States Of America As Represented By The Secretary Of The Navy | Chain release apparatuses and methods |
| KR20150040530A (en) * | 2013-10-07 | 2015-04-15 | 에스티엑스조선해양 주식회사 | Counter weight for anchor chain stopper |
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2019
- 2019-03-19 CN CN201910207551.8A patent/CN109865984B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689133A (en) * | 2011-03-21 | 2012-09-26 | 江苏亚星锚链股份有限公司 | Rung pressing process of R5-level mooring chain ring |
| CN205308985U (en) * | 2016-01-22 | 2016-06-15 | 青岛天顺达机械制造有限公司 | Anchor chain unit extrusion crosspiece device |
| CN107082341A (en) * | 2017-05-16 | 2017-08-22 | 江苏兴华胶带股份有限公司 | A kind of production method of express elevator balanced compensated chain and its anchor chain |
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| CN109865984A (en) | 2019-06-11 |
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