阅读说明：本技术 一种锚链的制作工艺 (Manufacturing process of anchor chain ) 是由 江金先 于 2020-06-29 设计创作，主要内容包括：本发明公开了一种锚链的制作工艺,棒料在加工过程中通过五组机组进行分段加热,很好的控制棒料的加热阶段,对棒料能进行更精准的控制,弯环和压环的工艺时,同时控制不同的温度,可以很好的对锚链的弯环和压环的工艺得到很大的提升,焊接时,不会有过于激烈而喷射大的金属颗粒、顶锻后加热的情况,压档环的环体温度端平,旋转在链环中心位置,上下偏差≤10mm,焊口膨体直径≤11mm,减小了环体的误差度,解决了目前的锚链的制作工艺比较落后,生产质量较差的问题。(The invention discloses a manufacturing process of an anchor chain, wherein a bar is heated in a segmented mode through five groups of units in the processing process, the heating stage of the bar is well controlled, the bar can be controlled more accurately, different temperatures are controlled simultaneously during the processes of bending and pressing rings, the processes of bending and pressing rings of the anchor chain can be well improved, the situations of spraying large metal particles and heating after upsetting are avoided during welding, the temperature end of a ring body of a pressing ring is flat, the ring body rotates at the center position of the chain ring, the vertical deviation is less than or equal to 10mm, the diameter of a welding opening expansion body is less than or equal to 11mm, the error degree of the ring body is reduced, and the problems that the conventional anchor chain manufacturing process is relatively backward and the production quality is poor are solved.)

1. A manufacturing process of an anchor chain is characterized by comprising the following steps,

step (A), deburring two ends of a bar stock, and then blanking;

step (B), then putting the bar stock into two ends of an electrode of a heater for heating;

step (C), immediately performing a ring bending process after the bar is heated;

and (D) after the bent ring is formed, performing welding and gear pressing procedures.

2. The process for manufacturing an anchor chain according to claim 1, wherein: and (A) rotating the bar with no convex rib on the surface, deep scratches, cracks and interlayer defects, wherein two ends of the bar are free of burrs, turning the bar, and sawing one end of the thimble hole during sawing.

3. The process for manufacturing an anchor chain according to claim 1, wherein: in the step (B), two electrodes of the heater electrode are equal and vertical to the horizontal direction of the bar stock, the material bracket is horizontal, and the heating temperature of different sections is controlled by five groups of units.

4. A process for making an anchor chain according to claim 3, wherein: in the step (B), the heating temperatures of the first unit and the second unit are controlled to be 700-850 ℃, and the flame is: dark cherry red-bright cherry red, the heating temperature of the third unit is controlled to be 850-950 ℃, and the color of fire is as follows: the heating temperature of the fourth unit and the fifth unit is controlled to be 850-1050 ℃, and the color of fire is as follows: bright cherry red-dark orange.

5. The process for manufacturing an anchor chain according to claim 1, wherein: and (C) immediately feeding the heated bar to a ring bending process, controlling the center of the center push rod and the center of the roller to be on the same horizontal line, controlling the opening distance between the center push rod and the roller to be 10-15mm, and centering and leveling the openings of the chain rings after ring bending.

6. The process for manufacturing an anchor chain according to claim 5, wherein: in the step (C), when the length of the bar is less than 50mm, the distance between the outer openings of the curved rings needs to be less than 5mm, the distance between the inner openings of the curved rings needs to be less than 3mm, when the length of the bar is 50-80mm, the distance between the outer openings of the curved rings needs to be less than 6mm, the distance between the inner openings of the curved rings needs to be less than 4mm, when the length of the bar is 81-125mm, the distance between the outer openings of the curved rings needs to be less than 7mm, the distance between the inner openings of the curved rings needs to be less than 5mm, when the length of the bar is greater than 125mm, the distance between the outer openings of the curved rings needs to be less than 8.

7. The process for manufacturing an anchor chain according to claim 1, wherein: in the step (D), when the ring is bent, the temperature of the ring back is controlled to be about 600-700 ℃, and the ring is burnt: brownish red-dark cherry red, the distance between the joints is less than or equal to 2mm, and the inner and outer ports are parallel.

8. The process for manufacturing an anchor chain according to claim 1, wherein: in the step (D), the temperature of the ring body of the gear pressing chain ring is more than or equal to 500 ℃, and the fire color is as follows: dark brown red-dark red, the temperature end of the ring body of the pressing retaining ring is flat, the pressing retaining ring rotates at the center position of the chain ring, the vertical deviation is less than or equal to 10mm, and the diameter of the expanded welding joint is less than or equal to 11 mm.

Technical Field

The invention relates to the technical field of anchor chains, in particular to a manufacturing process of an anchor chain.

Background

The anchor chain is a steel chain connecting the ship body and the anchor. The function of the anchor chain is mainly as follows: connecting the anchor with the ship, and transmitting the holding force of the anchor to the ship body; when anchoring, the thrown anchor chain has certain weight and can play a certain buffering role on external forces such as wind current and the like borne by the ship in water; the acting force of the anchor chain at the horizontal water bottom part on the anchor is kept horizontal, which is beneficial to the reliable bottom grabbing of the anchor. Meanwhile, the part of anchor chain can provide a part of anchoring force due to the retardation of soil, but the existing anchor chain manufacturing process is relatively laggard and has poor production quality, so that the anchor chain manufacturing process is designed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a manufacturing process of an anchor chain, which solves the problems of relatively laggard manufacturing process and poor production quality of the conventional anchor chain.

In order to achieve the purpose, the invention adopts the technical scheme that:

a manufacturing process of an anchor chain is characterized by comprising the following steps,

step (A), deburring two ends of a bar stock, and then blanking;

step (B), then putting the bar stock into two ends of an electrode of a heater for heating;

step (C), immediately performing a ring bending process after the bar is heated;

and (D) after the bent ring is formed, performing welding and gear pressing procedures.

In the step (a), the rod material with no convex rib on the surface, no deep scratch, no crack and no interlayer defect on the surface is rotated, no burr is left at the two ends of the rod material, the material is turned, and one end of the thimble hole is sawn off during sawing.

In the above anchor chain manufacturing process, in the step (B), two electrodes of the heater electrode are equal and perpendicular to the horizontal direction of the bar stock, and the stock bracket is horizontal, and the heating temperatures of different sections are controlled by five sets of units.

In the step (B), the heating temperatures of the first unit and the second unit are controlled to be 700-850 ℃, and the color of fire is as follows: dark cherry red-bright cherry red, the heating temperature of the third unit is controlled to be 850-950 ℃, and the color of fire is as follows: the heating temperature of the fourth unit and the fifth unit is controlled to be 850-1050 ℃, and the color of fire is as follows: bright cherry red-dark orange.

In the step (C), the heated bar stock is immediately sent to a ring bending process, the center of the center push rod and the center of the roller are controlled to be on the same horizontal line, the opening distance between the center push rod and the roller is 10-15mm, and the openings of the chain links are aligned and level after the ring is bent.

In the step (C), when the length of the bar is less than 50mm, the distance between the outer opening of the curved ring needs to be less than 5mm, the distance between the inner opening of the curved ring needs to be less than 3mm, when the length of the bar is 50-80mm, the distance between the outer opening of the curved ring needs to be less than 6mm, the distance between the inner opening of the curved ring needs to be less than 4mm, when the length of the bar is 81-125mm, the distance between the outer opening of the curved ring needs to be less than 7mm, the distance between the inner opening of the curved ring needs to be less than 5mm, when the length of the bar is greater than 125mm, the distance between the outer opening of the curved ring needs to be less than 8mm, and the distance between the inner opening.

In the step (D), when the ring is bent, the temperature of the ring back should be controlled to be about 600-700 ℃, and the color of fire is: brownish red-dark cherry red, the distance between the joints is less than or equal to 2mm, and the inner and outer ports are parallel.

In the step (D), the temperature of the ring body of the gear pressing chain ring is not less than 500 ℃, and the color of fire is: dark brown red-dark red, the temperature end of the ring body of the pressing retaining ring is flat, the pressing retaining ring rotates at the center position of the chain ring, the vertical deviation is less than or equal to 10mm, and the diameter of the expanded welding joint is less than or equal to 11 mm.

The invention has the beneficial effects that: the bar is heated in a segmented mode through the five sets of units in the processing process, the bar can be controlled more accurately in the heating stage of the fine control bar, different temperatures are controlled during the processes of bending and pressing rings, the processes of the bending and pressing rings of the anchor chain can be greatly improved, and the heating temperatures of the first set and the second set are controlled at 700-850 degrees during the bending, so that the fire is: dark cherry red-bright cherry red, at the moment, the temperature of the anchor chain is raised and heated to 700-850 ℃, the bar slowly and slowly becomes soft from an extremely hard state, the heating temperature of the third unit is controlled to 850-950 ℃, and the color of fire is as follows: the heating temperature of the fourth unit and the fifth unit is controlled to be 850-1050 ℃, the bending operation is carried out at the moment, on one hand, the toughness of the bar is enough, the bar cannot be broken, on the other hand, the bar can restore the original strength after being bent, the interface distance is less than or equal to 2mm, during welding, the conditions that large metal particles are sprayed violently and heated after upsetting can be avoided, the temperature of a ring body of a gear pressing ring is flat, the rotation is carried out at the center of the chain ring, the vertical deviation is less than or equal to 10mm, the expanded body diameter of a welding opening is less than or equal to 11mm, the error degree of the ring body is reduced, and the problems that the conventional anchor chain is laggard in manufacturing process and poor in production quality are solved.

Drawings

FIG. 1 is a flow chart of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1: a manufacturing process of an anchor chain is characterized by comprising the following steps,

step (A), deburring two ends of a bar stock, and then blanking;

step (B), then putting the bar stock into two ends of an electrode of a heater for heating;

step (C), immediately performing a ring bending process after the bar is heated;

and (D) after the bent ring is formed, performing welding and gear pressing procedures.

Preferably, in the step (A), rotating the bar with no convex rib on the surface, no deep scratch, no crack and no interlayer defect at two ends of the bar, turning the bar, and sawing one end of the thimble hole during sawing.

Preferably, in the step (B), two electrodes of the heater electrode are equal and vertical to the horizontal direction of the bar stock, the material bracket is horizontal, and the heating temperature of different sections is controlled by five groups of units.

Preferably, in the step (B), the heating temperatures of the first and second units are controlled to 700 ℃ to 850 ℃, and the flame is: dark cherry red-bright cherry red, the heating temperature of the third unit is controlled to be 850-950 ℃, and the color of fire is as follows: the heating temperature of the fourth unit and the fifth unit is controlled to be 850-1050 ℃, and the color of fire is as follows: bright cherry red-dark orange.

Preferably, in the step (C), the heated bar is immediately sent to a ring bending process, the center push rod and the center of the roller are controlled to be on the same horizontal line, the opening distance between the center push rod and the roller is 10-15mm, and after the ring is bent, the openings of the chain rings are centered and aligned.

Preferably, in the step (C), when the length of the bar is less than 50mm, the distance between the outer opening of the curved ring needs to be less than 5mm, the distance between the inner opening of the curved ring needs to be less than 3mm, when the length of the bar is 50-80mm, the distance between the outer opening of the curved ring needs to be less than 6mm, the distance between the inner opening of the curved ring needs to be less than 4mm, when the length of the bar is 81-125mm, the distance between the outer opening of the curved ring needs to be less than 7mm, the distance between the inner opening of the curved ring needs to be less than 5mm, when the length of the bar is greater than 125mm, the distance between the outer opening of the curved ring needs to be less than 8.

Preferably, in the step (D), when the ring is bent, the ring back temperature should be controlled at about 600-700 ℃, and the color of fire: brownish red-dark cherry red, the distance between the joints is less than or equal to 2mm, and the inner and outer ports are parallel.

Preferably, in the step (D), the temperature of the ring body of the gear pressing chain ring is more than or equal to 500 ℃, and the fire color is as follows: dark brown red-dark red, the temperature end of the ring body of the pressing retaining ring is flat, the pressing retaining ring rotates at the center position of the chain ring, the vertical deviation is less than or equal to 10mm, and the diameter of the expanded welding joint is less than or equal to 11 mm.

In conclusion, when the device is used, a bar is heated in a segmented mode through five sets of units in the processing process, the heating stage of the bar is well controlled, the bar can be controlled more accurately, different temperatures are controlled simultaneously during the processes of ring bending and ring pressing, the processes of ring bending and ring pressing of an anchor chain can be well improved, the heating temperatures of the first set and the second set are controlled to be 700-850 ℃ during ring bending, and the temperature of fire is: dark cherry red-bright cherry red, at the moment, the temperature of the anchor chain is raised and heated to 700-850 ℃, the bar slowly and slowly becomes soft from an extremely hard state, the heating temperature of the third unit is controlled to 850-950 ℃, and the color of fire is as follows: the heating temperature of the fourth unit and the fifth unit is controlled to be 850-1050 ℃, the bending operation is carried out at the moment, on one hand, the toughness of the bar is enough, the bar cannot be broken, on the other hand, the bar can restore to the original strength after being bent, during welding, the conditions that large metal particles are sprayed violently and heated after upsetting do not exist, the temperature of the ring body of the gear pressing ring is flat, the temperature is rotated at the center of the chain ring, the vertical deviation is less than or equal to 10mm, the diameter of a welding port expansion body is less than or equal to 11mm, the error of the ring body is reduced, and the problems that the existing anchor chain manufacturing process is lagged and the production quality is poor are solved.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.