CN2698807Y - Electric pulse annealing and softening treatment device - Google Patents
Electric pulse annealing and softening treatment device Download PDFInfo
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- CN2698807Y CN2698807Y CN 200420049790 CN200420049790U CN2698807Y CN 2698807 Y CN2698807 Y CN 2698807Y CN 200420049790 CN200420049790 CN 200420049790 CN 200420049790 U CN200420049790 U CN 200420049790U CN 2698807 Y CN2698807 Y CN 2698807Y
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- annealing
- softening
- electric pulse
- pulse power
- softening treatment
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Abstract
The utility model relates to an electric pulse annealing and softening treatment device, mainly solving the problems in the existing annealing devices such as low efficiency, high energy consumption, serious surface oxidation of products and environment contamination. The utility model is characterized in that a machine frame (1) is fixedly provided with a pulse power source (3); the adjustment ranges of the output parameters of the pulse power source (3) are that the current intensity is 50-1500A/ mm (2), the impulse width is 20-100 mu s and the frequency is 10-100 Hz. Output electrodes(4, 5) of the pulse power source (3) are respectively communicated with electrode rollers (6, 7) which are connected on the machine frame (1). The electric pulse annealing and softening treatment device can make the metallic material (wires or strips) proceed continuous annealing and softening under the action of high-density impulse current. Besides, few oxide scales are generated on the surface of the product and the utility model also has the characteristics of good quality of annealing and softening, high working efficiency, low energy consumption and good environmental-protection.
Description
Technical field:
The utility model relates to the softening treatment unit of softening continuously treatment unit, the especially electric pulse annealing of metallic substance after the cold working.
Background technology:
Metallic substance can produce the work hardening phenomenon after cold working, cause the hard fragility of material, thereby must carry out the anneal operation to the metallic substance after cold working, the requirement, particularly wire rod or the band that make indexs such as its physical strength, unit elongation satisfy product performance and quality also need continuous annealing softening.At present, the continuous annealing of metallic substance is softening to mainly contain methods such as process furnace annealing, resistance heat annealing, the annealing of medium-high frequency process furnace, and the power of said apparatus generally will be more than 100KW.Though above-mentioned method for annealing all can be realized the purpose of continuous annealing, but because their annealed principles all realize by heat effect, thereby shortcoming such as there is inefficiency in its annealing device, power consumption is big and the product surface oxidation is serious, in follow-up technology, need to handle oxide skin, cause environmental pollution.
The utility model content:
In order to overcome the deficiency that existing annealing device efficient is low, power consumption is big, the product surface oxidation seriously reaches contaminate environment, the utility model provides a kind of electric pulse annealing to soften treatment unit, it is softening that the softening treatment unit of this electric pulse annealing can make metallic substance (wire rod or band) carry out continuous annealing under the Pulse Electric Current with High Density effect, the oxide skin that product surface produces is few, has that the annealing softening quality is good, high efficiency, power consumption is low and the good characteristics of the feature of environmental protection.
The technical solution of the utility model is: the softening treatment unit of this electric pulse annealing comprises frame, is fixed with the pulse power on frame, and pulse power output parameter regulation range is that current density is 50～1500A/mm
2, pulsewidth is that 20～100 μ s, frequency are 10～1000Hz, two output electrodes of the pulse power respectively be connected frame on two electrode running rollers communicate.
Be equipped with the tensioning running roller on the frame between the two above-mentioned electrode running rollers; Two electrode running rollers are formed by axle and sleeve, and sleeve touches mutually with carbon brush, and two groups of carbon brush are separately fixed on two carbon brush holders that link to each other with frame and respectively and link to each other with two electrodes.
The utlity model has following beneficial effect: owing to take such scheme, the metal works (wire rod or band) that one end is twisted in the winder places under the two electrode running rollers, workpiece is touched mutually with two electrode running rollers, flow through the workpiece of pulsed current between two electrode running rollers, workpiece carries out continuous annealing under the Pulse Electric Current with High Density effect softening and carry out synchronously with cold working (cold drawn or cold rolling etc.).The workpiece surface temperature rise is 30～150 degree, and the oxide skin that workpiece surface produces is few, has improved workpiece surface quality, has reduced the workpiece surface subsequent treatment process, and the feature of environmental protection is good; Pulse power power is lower than 5KW, and it is low to consume energy, obvious energy conservation; The annealing softening process can be finished high efficiency at 3～10 seconds.
Description of drawings:
Accompanying drawing 1 is a structure sectional view of the present utility model;
Accompanying drawing 2 is A-A sectional views among Fig. 1.
1-frame among the figure, 2-winder, the 3-pulse power, 4,5-output electrode, 6,7-electrode running roller, 8-tensioning running roller, 9-axle, 10-sleeve, 11-carbon brush, 12-carbon brush holder, 13-workpiece, 14-cable.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, the softening treatment unit of this electric pulse annealing comprises frame 1, is fixed with the pulse power 3 on frame 1, and the pulse power 3 output parameter regulation ranges are that current density is 50～1500A/mm
2, pulsewidth is that 20～100 μ s, frequency are 10～1000Hz, the output electrode of the pulse power 3 (4,5) communicates with the electrode running roller (6,7) that is connected on the frame 1 respectively; Electrode running roller (6,7) be equipped with tensioning running roller 8 on the frame 1 between, tensioning running roller 8 is made by insulating material, mainly is in order to make metallic substance workpiece 1 and electrode running roller (6,7) in wrapup procedure, keep excellent contact, avoid producing disengaging and touch spark phenomenon.Electrode (4,5) with electrode running roller (6,7) mode of connection as shown in Figure 2, electrode running roller (6,7) form by axle 9 and sleeve 10, sleeve 10 touches mutually with carbon brush 11, two groups of carbon brush 11 be separately fixed on the carbon brush holder 12 that links to each other with frame 1 and respectively with electrode (4,5) link to each other insulation between sleeve 10 and carbon brush 11 and the frame 1 by cable 14.
The principle that the utility model is used is that Pulse Electric Current with High Density has the phenomenon of annealing softening processing effect to metallic substance, and this conclusion draws through a large amount of experiments, experimental results show that this discovery has ubiquity, and the part experimental data is as shown in table 1.This experiment starting material are the Q235 steel wire of diameter 2.5mm, and this steel wire has experienced from diameter and has been cold drawn to the distortion that diameter is 2.5mm for the 6.5mm wire rod; The cold drawn back of steel wire tensile strength sigma
bBe 890～950MPa.1～5 of technology refers to different electric pulse annealing treatment process parameters in the table, and data are tensile strength in the table, and unit is MPa.
The softening treating part of table 1 electric pulse annealing experimental data
| (φ 6.5 mm) steel wire σ before the drawing b | (φ 2.5 mm) steel wire σ after the drawing b | Electricimpulse is handled 3 seconds σ b | Electricimpulse is handled 5 seconds σ b | Electricimpulse is handled 10 seconds σ b | |
| | 250-300 | 890-950 | 820-860 | 770-820 | -- |
| | 250-300 | 890-950 | 890 | 870 | 350 |
| | 250-300 | 890-950 | 700 | 680 | 365-550 |
| Technology 4 | 250-300 | 890-950 | -- | -- | 480 |
| | 250-300 | 890-950 | 660 | 550-640 | -- |
During actual the use, the metal works 13 (wire rod or band) that one end is twisted in the winder 2 places two electrode running rollers (6,7) under, make workpiece 13 and two electrode running rollers (6,7) touch mutually, pulsed current flows through from the workpiece between two electrode running rollers (6,7), and workpiece 13 carries out continuous annealing under the Pulse Electric Current with High Density effect softening and carry out synchronously with cold working (cold drawn or cold rolling etc.).Workpiece 13 surface temperature rises are 30～150 degree, and the oxide skin that workpiece 13 surfaces produce is few, has improved workpiece 13 surface quality, has reduced workpiece 13 surperficial subsequent treatment process, and the feature of environmental protection is good; Pulse power power is lower than 5KW, and it is low to consume energy, obvious energy conservation; The annealing softening process can be finished high efficiency at 3～10 seconds.
Claims (3)
1, the softening treatment unit of a kind of electric pulse annealing comprises frame (1), and it is characterized in that: be fixed with the pulse power (3) on frame (1), the pulse power (3) output parameter regulation range is that current density is 50～1500A/mm
2, pulsewidth is that 20～100 μ s, frequency are 10～1000Hz, the output electrode (4,5) of the pulse power (3) communicates with the electrode running roller (6,7) that is connected on the frame (1) respectively.
2, the softening treatment unit of electric pulse annealing according to claim 1 is characterized in that: be equipped with tensioning running roller (8) on the frame (1) between the electrode running roller (6,7).
3, the softening treatment unit of electric pulse annealing according to claim 1 and 2, it is characterized in that: electrode running roller (6,7) form by axle (9) and sleeve (10), sleeve (10) touches mutually with carbon brush (11), two groups of carbon brush (11) all are fixed on the carbon brush holder (12) that links to each other with frame (1) and upward and respectively link to each other with electrode (4,5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420049790 CN2698807Y (en) | 2004-05-08 | 2004-05-08 | Electric pulse annealing and softening treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420049790 CN2698807Y (en) | 2004-05-08 | 2004-05-08 | Electric pulse annealing and softening treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2698807Y true CN2698807Y (en) | 2005-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420049790 Expired - Fee Related CN2698807Y (en) | 2004-05-08 | 2004-05-08 | Electric pulse annealing and softening treatment device |
Country Status (1)
| Country | Link |
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| CN (1) | CN2698807Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660026B (en) * | 2009-10-10 | 2011-01-05 | 孙红镱 | High specific gravity alloy material electric pulse annealing technical method |
| CN102489533A (en) * | 2011-12-04 | 2012-06-13 | 西北有色金属研究院 | Electroplastic drawing device of MgB2 wire and drawing method thereof |
| CN104550971A (en) * | 2015-01-21 | 2015-04-29 | 北京工业大学 | Preparation method of element dispersion type composite baseband |
| CN115305317A (en) * | 2022-07-11 | 2022-11-08 | 北京科技大学 | Electric pulse treatment method for improving strong plasticity of cold-drawn high-carbon steel wire |
| CN115341077A (en) * | 2022-07-25 | 2022-11-15 | 北京科技大学 | Bearing steel and spheroidizing annealing method thereof |
-
2004
- 2004-05-08 CN CN 200420049790 patent/CN2698807Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660026B (en) * | 2009-10-10 | 2011-01-05 | 孙红镱 | High specific gravity alloy material electric pulse annealing technical method |
| CN102489533A (en) * | 2011-12-04 | 2012-06-13 | 西北有色金属研究院 | Electroplastic drawing device of MgB2 wire and drawing method thereof |
| CN104550971A (en) * | 2015-01-21 | 2015-04-29 | 北京工业大学 | Preparation method of element dispersion type composite baseband |
| CN115305317A (en) * | 2022-07-11 | 2022-11-08 | 北京科技大学 | Electric pulse treatment method for improving strong plasticity of cold-drawn high-carbon steel wire |
| CN115305317B (en) * | 2022-07-11 | 2023-10-13 | 北京科技大学 | Electric pulse treatment method for improving plasticity of cold drawn high carbon steel wire |
| CN115341077A (en) * | 2022-07-25 | 2022-11-15 | 北京科技大学 | Bearing steel and spheroidizing annealing method thereof |
| CN115341077B (en) * | 2022-07-25 | 2023-08-29 | 北京科技大学 | Bearing steel and spheroidizing annealing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050511 |