阅读说明：本技术 化工用高强度耐蚀不锈钢焊材加工方法 (Method for processing high-strength corrosion-resistant stainless steel welding material for chemical industry ) 是由 计建康 刘俊 朱阳波 朱龙平 于 2021-05-24 设计创作，主要内容包括：本发明提供化工用高强度耐蚀不锈钢焊材加工方法,包括以下步骤：步骤1：通过熔炼炉进行熔炼；步骤2：水平连铸连扎盘元；步骤3：退火处理；步骤4；水冷降温,步骤5：拉拔处理；步骤6：酸洗处理；步骤7：水洗；步骤8：二次酸洗；步骤9：光亮处理；步骤10：多轨道收集绕丝。本发明的有益效果：保证化工用高强度耐蚀不锈钢焊材加工的成品率,同时优化了拉拔设备,保证拉拔的平稳性,保证了拉拔过程的水平校准,提高操作效率。(The invention provides a method for processing a high-strength corrosion-resistant stainless steel welding material for chemical engineering, which comprises the following steps: step 1: smelting through a smelting furnace; step 2: continuously casting and continuously binding the disc elements horizontally; and step 3: annealing treatment; step 4; and (5) cooling by water, and step 5: drawing treatment; step 6: acid washing treatment; and 7: washing with water; and 8: secondary acid washing; and step 9: performing brightening treatment; step 10: the wire is collected in multiple tracks. The invention has the beneficial effects that: the method has the advantages of ensuring the finished product rate of the chemical high-strength corrosion-resistant stainless steel welding material, optimizing drawing equipment, ensuring the drawing stability, ensuring the horizontal calibration in the drawing process and improving the operation efficiency.)

1. The processing method of the high-strength corrosion-resistant stainless steel welding material for the chemical industry is characterized by comprising the following steps of: the method comprises the following steps: step 1: smelting through a smelting furnace; step 2: continuously casting and continuously binding the disc elements horizontally; and step 3: annealing treatment; step 4; and (5) cooling by water, and step 5: drawing treatment; step 6: acid washing treatment; and 7: washing with water; and 8: secondary acid washing; and step 9: performing brightening treatment; step 10: collecting and winding wires in a multi-track way; the drawing treatment in the step 5 adopts stable drawing equipment for drawing, and the stable drawing equipment comprises a drawing operation table (1) and a support rod (2) positioned above the drawing operation table (1); wherein the drawing operation table (1) is sequentially provided with a conveying module (3), a drawing die (4) and a clamping and conveying transmission mechanism (5); wherein the support rod (2) is provided with a plurality of cylinders (6); wherein the cylinder shaft of each cylinder (6) is fixedly connected with the movable frame (7); two ends of the movable frame (7) are rotatably provided with adjusting arms (8); the bottom of each adjusting arm (8) is rotatably connected with a longitudinal connecting rod (9); wherein the two longitudinal connecting rods (9) are movably connected and fixed, and the bottoms of the two longitudinal connecting rods are provided with clamping frames (10); each clamping frame (10) is provided with a plurality of clamping conveying wheels (11); wherein an auxiliary table (12) is arranged above the pulling mold (4); wherein the auxiliary table (12) is provided with a pre-drawing frame (13); wherein, a plurality of pre-drawing conveying rollers (14) are arranged in the pre-drawing frame (13), one end of the pre-drawing conveying rollers is provided with a pre-drawing die inlet (15), and the other end of the pre-drawing conveying rollers is provided with a pre-drawing die outlet (16); one end of the drawing die (4) is provided with a drawing inlet (17) and the other end is provided with a drawing outlet (18).

2. The method for processing the high-strength corrosion-resistant stainless steel welding material for chemical engineering according to claim 1, characterized in that: and auxiliary feeding wheels (19) are arranged at two ends of the auxiliary table (12).

3. The method for processing the high-strength corrosion-resistant stainless steel welding material for chemical engineering according to claim 1, characterized in that: one end of the adjusting arm (8) is fixedly connected with the drawing operation table (1) through an expansion rod (20); a spring piece (21) is connected between the two longitudinal connecting rods (9).

4. The method for processing the high-strength corrosion-resistant stainless steel welding material for chemical engineering according to claim 1, characterized in that: the step 4: and air cooling is adopted while water cooling is carried out.

5. The method for processing the high-strength corrosion-resistant stainless steel welding material for chemical engineering according to claim 1, characterized in that: in the multi-track in the step 10, a plurality of wire winding wheels are connected with the sliding track through connecting rods.

6. The method for processing the high-strength corrosion-resistant stainless steel welding material for chemical engineering according to claim 1, characterized in that: and the annealing and heat preservation time of the step 3 is 30-35 minutes.

Technical Field

The invention relates to the field of stainless steel welding material processing, in particular to a processing method of a high-strength corrosion-resistant stainless steel welding material for chemical engineering.

Background

The equipment in the chemical industry field, required stainless steel welds the material and must be corrosion-resistant and high strength to guarantee welded stability, the method that welds the material is all big with little difference at present to processing, especially at the in-process of drawing, adopt the multichannel to draw, but the in-process of drawing can have the transport to rock, influences the effect that gets into drawing of drawing the mould, can not carry out timely calibration, and the workshop area that the multichannel was drawn and is drawn and draw the adoption is big moreover, requires highly to the place.

Disclosure of Invention

In order to solve the problems, the invention discloses a method for processing a high-strength corrosion-resistant stainless steel welding material for chemical engineering, which is simple and easy to operate, simultaneously optimizes drawing equipment, ensures drawing stability, ensures horizontal calibration in the drawing process, and improves operation efficiency.

The processing method of the high-strength corrosion-resistant stainless steel welding material for the chemical industry comprises the following steps: step 1: smelting through a smelting furnace; step 2: continuously casting and continuously binding the disc elements horizontally; and step 3: annealing treatment; step 4; and (5) cooling by water, and step 5: drawing treatment; step 6: acid washing treatment; and 7: washing with water; and 8: secondary acid washing; and step 9: performing brightening treatment; step 10: the wire is collected in multiple tracks.

The drawing treatment in the step 5 adopts stable drawing equipment for drawing, and the stable drawing equipment comprises a drawing operation table and a support rod positioned above the drawing operation table; wherein the drawing operation table is sequentially provided with a conveying module, a drawing die and a clamping conveying transmission mechanism; wherein the supporting rod is provided with a plurality of cylinders; wherein the cylinder shaft of each cylinder is fixedly connected with the movable frame; adjusting arms are rotatably arranged at two ends of the movable frame; the bottom of each adjusting arm is rotatably connected with a longitudinal connecting rod; wherein the two longitudinal connecting rods are movably connected and fixed, and clamping frames are arranged at the bottoms of the two longitudinal connecting rods; each clamping frame is provided with a plurality of clamping conveying wheels; wherein an auxiliary table is arranged above the pulling mold; wherein the auxiliary table is provided with a pre-drawing frame; wherein, a plurality of pre-drawing conveying rollers are arranged in the pre-drawing frame, one end of the pre-drawing conveying rollers is provided with a pre-drawing die inlet, and the other end of the pre-drawing conveying rollers is provided with a pre-drawing die outlet; one end of the drawing die is provided with a drawing inlet, and the other end of the drawing die is provided with a drawing outlet.

The invention further improves that: and auxiliary feeding wheels are arranged at two ends of the auxiliary table.

The invention further improves that: one end of the adjusting arm is fixedly connected with the drawing operation table through a telescopic rod; and a spring part is connected between the two longitudinal connecting rods to ensure the clamping tension.

The invention further improves that: the step 4: and the air cooling is adopted while the water cooling is carried out, so that the cooling effect is improved.

The invention further improves that: in the multi-track step 10, a plurality of wire collecting wheels are connected with the sliding track through connecting rods, so that the collection and position adjustment are facilitated, and the field area of a workshop is matched.

The invention further improves that: and 3, annealing and heat preservation time of 30-35 minutes to ensure the stable internal structure of the welding material.

The working principle in the step 5 is as follows: 1. the corrosion-resistant stainless steel welding material after cooling treatment is sent to a stable drawing device, the welding material sequentially passes through a conveying module, then is sent into a pre-drawing frame through an inlet of a drawing die, is conveyed through a pre-drawing conveying roller, then is discharged from an outlet of the pre-drawing die to realize pre-drawing treatment and reduce working procedures, then is sent into the drawing die through the drawing inlet to be drawn and then is discharged from the drawing outlet, and finally one end of the welding material is fixed on a clamping conveying transmission mechanism to be conveyed;

2. after the process is processed, the welding material is formally drawn to work and is conveyed through the clamping conveying transmission mechanism, meanwhile, the cylinder drives the cylinder to move axially, and the adjusting arm drives the longitudinal connecting rod to clamp. The clamping frame is clamped accordingly, welding materials to be processed are clamped and conveyed, the drawing stability of the welding materials is guaranteed, and the tensioning force is guaranteed due to the arrangement of the spring part; the telescopic rod is connected with the drawing operation table and is matched with the moving range of the adjusting arm to ensure the stability of the clamping frame, so that the calibration force for conveying welding materials is further improved;

3. due to the fact that the pre-drawing frame and the drawing die are arranged up and down, space is saved, meanwhile, paths during drawing are increased, and drawing accuracy is improved.

The invention has the beneficial effects that: the method has the advantages of ensuring the finished product rate of the chemical high-strength corrosion-resistant stainless steel welding material, optimizing drawing equipment, ensuring the drawing stability, ensuring the horizontal calibration in the drawing process and improving the operation efficiency.

Drawings

FIG. 1 is a schematic view of the structure of the steady drawing apparatus of the present invention;

FIG. 2, a right side view of the components to which the cylinder is connected;

list of reference numerals:

wherein 1-drawing operation table; 2-a support rod; 3-a conveying module; 4-drawing the die; 5-clamping and conveying transmission mechanism; 6-cylinder; 7-a movable frame; 8-an adjusting arm; 9-longitudinal connecting rods; 10-a clamping frame; 11-a material clamping conveying wheel; 12-an auxiliary table; 13-pre-drawing the frame; 14-pre-drawing the conveying roller; 15-inlet of pre-drawing die; 16-pre-drawing die outlet; 17-a drawing inlet; 18-a drawing outlet; 19-an auxiliary feeding wheel; 20-a telescopic rod; 21-spring element.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The method for processing the high-strength corrosion-resistant stainless steel welding material for the chemical industry comprises the following steps of: step 1: smelting through a smelting furnace; wherein the weight percentages of the raw materials are as follows: C. 0.005-0.015; 0.45-1.20 percent of Mn, 0.02 percent of P, 0.3-1.2 percent of Si; s & lt 0.020; 18.50-19.50% of Cr, 11.50-13.50% of Ni, 0.40% of Cu and 0.045% of N.

Step 2: continuously casting and continuously binding the disc elements horizontally;

and step 3: annealing treatment; the annealing heat preservation time is 30 to 35 minutes

Step 4; cooling by water; and air cooling is adopted while water cooling is carried out.

As shown in fig. 1-2, step 5: drawing treatment; the drawing treatment in the step 5 adopts stable drawing equipment for drawing, and the stable drawing equipment comprises a drawing operation table 1 and a support rod 2 positioned above the drawing operation table 1; wherein the drawing operation table 1 is sequentially provided with a conveying module 3, a drawing die 4 and a clamping and conveying transmission mechanism 5; wherein the support rod 2 is provided with a plurality of cylinders 6; wherein, the cylinder shaft of each cylinder 6 is fixedly connected with the movable frame 7; two ends of the movable frame 7 are rotatably provided with adjusting arms 8; the bottom of each adjusting arm 8 is rotatably connected with a longitudinal connecting rod 9; wherein the two longitudinal connecting rods 9 are movably connected and fixed, and the bottoms of the two longitudinal connecting rods are respectively provided with a clamping frame 10; each clamping frame 10 is provided with a plurality of clamping conveying wheels 11; wherein an auxiliary table 12 is arranged above the pulling mold 4; and auxiliary feeding wheels 19 are arranged at two ends of the auxiliary table 12.

Wherein a pre-drawing frame 13 is arranged on the auxiliary table 12; wherein, a plurality of pre-drawing conveying rollers 14 are arranged in the pre-drawing frame 13, one end of the pre-drawing conveying rollers is provided with a pre-drawing die inlet 15, and the other end of the pre-drawing conveying rollers is provided with a pre-drawing die outlet 16); one end of the drawing die 4 is provided with a drawing inlet 17 and the other end is provided with a drawing outlet 18.

One end of the adjusting arm 8 is fixedly connected with the drawing operation table 1 through an expansion rod 20; a spring element 21 is connected between two of the longitudinal connecting rods 9.

Wherein in step 5: 1. the corrosion-resistant stainless steel welding material after cooling treatment is sent to a stable drawing device, the welding material sequentially passes through a conveying module 3, then is sent into a pre-drawing frame 13 through a drawing die inlet 16, is conveyed through a pre-drawing conveying roller 14, then is discharged from a pre-drawing die outlet 17, pre-drawing treatment is achieved, working procedures are reduced, then is sent into a drawing die 4 through the drawing die inlet 17 for drawing treatment, and then is discharged from a drawing outlet 18, and finally one end of the welding material is fixed on a clamping conveying transmission mechanism 5 for conveying;

2. after the process is processed, the welding material is formally drawn to work, the welding material is conveyed through the clamping and conveying transmission mechanism 5, meanwhile, the air cylinder 6 drives the air cylinder to axially move, the adjusting arm 8 drives the longitudinal connecting rod 9 to clamp, the clamping frame 10 clamps, the welding material to be processed is clamped and conveyed, the drawing stability of the welding material is guaranteed 1, and the spring part 21 is arranged to guarantee the tension force; the telescopic rod 20 is connected with the drawing operation table, and the stability of the clamping frame is ensured by matching with the moving range of the adjusting arm, so that the stability of welding material conveying is further improved;

3. because prestretching frame 13 and drawing die 4 arrange from top to bottom, practice thrift the space, increase the route when drawing simultaneously, improve and draw accurate rate.

Step 6: acid washing treatment;

and 7: washing with water;

and 8: secondary acid washing;

and step 9: performing brightening treatment;

step 10: collecting and winding wires in a multi-track way; and a plurality of wire winding wheels are connected with the sliding track through connecting rods.

The tensile strength of the welding material processed by the embodiment is more than or equal to 900MPa, the tensile strength Rm is more than or equal to 550 MPa, and the elongation is more than or equal to 45%.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.