CN111085556A - Die chain design method for drawing thick steel wire by double low-power benches - Google Patents
Die chain design method for drawing thick steel wire by double low-power benches Download PDFInfo
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- CN111085556A CN111085556A CN201911397732.8A CN201911397732A CN111085556A CN 111085556 A CN111085556 A CN 111085556A CN 201911397732 A CN201911397732 A CN 201911397732A CN 111085556 A CN111085556 A CN 111085556A
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- tower
- vehicle platform
- group
- wheels
- power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
- B21C1/14—Drums, e.g. capstans; Connection of grippers thereto; Grippers specially adapted for drawing machines or apparatus of the drum type; Couplings specially adapted for these drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
- B21C1/04—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums with two or more dies operating in series
- B21C1/08—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums with two or more dies operating in series in which the material does not slip on the drums
Abstract
The invention discloses a die chain design method for drawing a thick-specification steel wire by two low-power turntables, which reasonably distributes power when the two low-power turntables are transformed in parallel, fixes a second turntable to be fewer passes, distributes certain passes by a first turntable, realizes the effect of a high-power wire drawing machine, meets the preparation of the requirement of a client on the thick-specification steel wire, and accurately calculates the rotating speed required to be adjusted by the first turntable according to the diameter of each cone pulley, the diameter of a belt pulley and other parameters.
Description
Technical Field
The invention relates to a die chain design method for drawing steel wires, in particular to a die chain design method for drawing thick steel wires by a double-low-power lathe.
Background
The existing steel wire drawing trolley is a trolley with low power, when a steel wire with a coarse specification is drawn, the existing low-power drawing machine cannot meet the requirement of the existing low-power drawing machine, the existing scheme that two low-power trolleys are arranged in parallel to draw the steel wire with the coarse specification is provided, but certain difficulty exists in the design of a die chain, the number of the used drawing dies of the existing drawing trolley is 23, the first group is 10 times, and the second group is 13 times; such as 2.20 to 0.60; according to the mode that the compression ratio of a mold chain is larger than that of a machine, the actual mold chain can only be used for 15 times, currently, 2 11KW (a first group of tower wheels of a first trolley and a second group of tower wheels of a second trolley are used, electrical appliance communication is connected in parallel) devices cannot be used for production, and the first trolley is worthy of research on how to carry out reasonable power distribution due to the fact that the number of mold sequences is small and the power is shared less.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the problems in the prior art, the invention provides a die chain design method for drawing thick steel wires by using double low-power benches, which reasonably distributes the power when the double low-power benches are transformed in parallel, realizes the effect of a high-power wire drawing machine and meets the preparation of the requirement of thick steel wires of customers.
The technical scheme is as follows: in order to achieve the purpose, the invention can adopt the following technical scheme:
a method for designing a die chain for drawing thick steel wires by a double-low-power lathe comprises the following steps:
1) using the vehicle platform as a double-vehicle-platform design of a first vehicle platform and a second vehicle platform, wherein the first vehicle platform comprises a first tower wheel set arranged on the left side and a second tower wheel set arranged on the right side; the second platform comprises a third tower wheel group and a fourth tower wheel group which are arranged on the left side; the first cone pulley group is provided with 10 cone pulleys L1-L10 in the right-left direction and the left-right direction according to the trend of steel wires, the second cone pulley group is provided with 12 cone pulleys L11-L22 in the right-left direction and the left-right direction in turn according to the trend of steel wires, and the fourth cone pulley group is provided with 12 cone pulleys L24-L35 in the right-left direction and the left-right direction in turn according to the trend of steel wires;
2) firstly, determining the total number N of times required by steel wire drawing according to the die chain compression ratio of the steel wire to be drawn and the inherent die chain compression ratio of a machine table;
3) determining the number of used passes of the second vehicle platform to be 9 and fixing the speed of the second vehicle platform, wherein the rest passes are shared by the first vehicle platform, and the number of used passes of the first vehicle platform is N-9; the first vehicle platform uses the tower wheel group as a first tower wheel group, and the second vehicle platform uses the tower wheel group as a fourth tower wheel group;
4) the diameters of tower wheels of L1-L10, L11-L22 and L24-L35 are measured in sequence and recorded as TD 1-TD 10, TD 11-TD 22 and TD 24-TD 35 respectively; measuring the diameters of six corresponding pulleys of the first platform and the second platform and recording the diameters as D1-D6;
5) calculating the transmission ratio T1 of each group of step wheels of the first vehicle platform as (D5/D6) multiplied by T2 according to the diameter of the step wheels and the diameter of the belt wheel; t2 ═ D1/D2; t3 ═ D3/D4; t4 ═ 1; the transmission ratio of each group of cone pulleys is the rotating speed ratio of the motor to the group of cone pulleys through a belt wheel;
6) calculating the length C1 of a transmission wire at the last step pulley L10 of the first step pulley group to be TD10 × T1 and the length C2 of the transmission wire at the first step pulley L11 of the second step pulley group to be TD11 × T4 according to the transmission ratio and the diameter of the step pulleys;
7) calculating the transmission ratio Y of L10 to L11 to be C1/C2 according to the transmission wire length C1 at L10 and the transmission wire length C2 at L11;
8) since the second carriage was used for 9 passes, the second set of carriages was used starting from the L28 cone, and the diameter ratio of the first cone L24 to the L28 cone in the second carriage was calculated as Z ═ TD24/TD 28;
9) and calculating the rotating speed of the first trolley station to be Y/Z according to the transmission ratio Y from L10 to L11 and the diameter ratio Z of the cone pulleys of L24 and L28, thereby completing the adjustment of the rotating speed required by the first trolley station and completing the design requirement of the mold chain.
More preferably, the design criterion of the total number N of passes in the step 2) is that the die chain compression ratio of the pass is greater than the inherent die chain compression ratio of the machine.
More preferably, the first and second carriages are low power carriages.
Has the advantages that: the invention has the following advantages:
(1) the equipment purchase cost investment is reduced, and the steel wire drawing quality is improved.
(2) The power of the double low-power benches in the process of parallel transformation is reasonably distributed, the effect of a high-power wire drawing machine is realized, and the requirement of customers on thick steel wires is met.
Drawings
Fig. 1 is a schematic structural diagram of a dual low-power vehicle platform.
Detailed Description
The invention discloses a die chain design method for drawing thick steel wires by a double-low-power lathe, which is shown in figure 1: the method comprises the following steps:
1) a double-carriage design using carriages for a first carriage 1 and a second carriage 2, wherein the first carriage 1 comprises a first set of tower wheels 11 arranged on the left side and a second set of tower wheels 12 arranged on the right side; the second platform 2 comprises a third set of wheels 21 and a fourth set of wheels 22 arranged on the left side; the first tower wheel group 11 is provided with 10 tower wheels in total from L1 to L10 in the right-left direction and the left-right direction according to the trend of steel wires, the second tower wheel group 12 is provided with 12 tower wheels in total from L11 to L22 in the right-left direction and the left-right direction in sequence according to the trend of steel wires, and the fourth tower wheel group 22 is provided with 12 tower wheels in total from L24 to L35 in the right-left direction and the left-right direction in sequence according to the trend of steel wires;
2) firstly, determining the total number N of times required by steel wire drawing according to the die chain compression ratio of the steel wire to be drawn and the inherent die chain compression ratio of a machine table; the design standard of the total pass N is that the compression ratio of the die chain of the pass is larger than the compression ratio of the inherent die chain of the machine station.
3) Determining the number of used passes of the second vehicle platform 2 to be 9 and fixing the speed of the second vehicle platform, wherein the rest passes are shared by the first vehicle platform (1), and the number of used passes of the first vehicle platform 1 is N-9; the first vehicle platform using tower wheel group is the first tower wheel group 11, and the second vehicle platform using tower wheel group is the fourth tower wheel group 22;
4) the diameters of tower wheels of L1-L10, L11-L22 and L24-L35 are measured in sequence and recorded as TD 1-TD 10, TD 11-TD 22 and TD 24-TD 35 respectively; the diameters of six corresponding belt wheels of the first vehicle platform 1 and the second vehicle platform 2 are measured and recorded as D1-D6;
5) calculating the transmission ratio T1 of each group of step wheels of the first vehicle platform as (D5/D6) multiplied by T2 according to the diameter of the step wheels and the diameter of the belt wheel; t2 ═ D1/D2; t3 ═ D3/D4; t4 ═ 1; the transmission ratio of each group of cone pulleys is the rotating speed ratio of the motor to the group of cone pulleys through a belt wheel;
6) calculating the length of a transmission wire C1 at the last step pulley L10 of the first step pulley group 11 to be TD10 × T1 and the length of a transmission wire C2 at the first step pulley L11 of the second step pulley group 12 to be TD11 × T4 according to the transmission ratio and the diameter of the step pulleys;
7) calculating the transmission ratio Y of L10 to L11 to be C1/C2 according to the transmission wire length C1 at L10 and the transmission wire length C2 at L11;
8) since the second carriage 2 is used for 9 passes, the second group of carriages is used from the L28 step pulley, and the diameter ratio of the first step pulley L24 to the L28 step pulley in the second carriage 2 is calculated and recorded as Z ═ TD24/TD 28;
9) and calculating the rotating speed of the first trolley station to be Y/Z according to the transmission ratio Y from L10 to L11 and the diameter ratio Z of the cone pulleys of L24 and L28, thereby completing the adjustment of the rotating speed required by the first trolley station and completing the design requirement of the mold chain.
Claims (3)
1. A method for designing a die chain for drawing thick steel wires by a double-low-power lathe is characterized by comprising the following steps:
1) the method comprises the steps of using a vehicle platform as a double-vehicle-platform design of a first vehicle platform (1) and a second vehicle platform (2), wherein the first vehicle platform (1) comprises a first tower wheel set (11) arranged on the left side and a second tower wheel set (12) arranged on the right side; the second vehicle platform (2) comprises a third tower wheel set (21) and a fourth tower wheel set (22) which are arranged on the left side; the first tower wheel set (11) is sequentially provided with 10 tower wheels in total from L1 to L10 in the right-left direction and the left-right direction according to the trend of steel wires, the second tower wheel set (12) is sequentially provided with 12 tower wheels in total from L11 to L22 in the right-left direction and the left-right direction according to the trend of steel wires, and the fourth tower wheel set (22) is sequentially provided with 12 tower wheels in total from L24 to L35 in the right-left direction and the left-right direction according to the trend of steel wires;
2) firstly, determining the total number N of times required by steel wire drawing according to the die chain compression ratio of the steel wire to be drawn and the inherent die chain compression ratio of a machine table;
3) determining the number of used passes of the second vehicle platform (2) to be 9 passes and fixing the speed of the second vehicle platform, wherein the rest passes are shared by the first vehicle platform (1), and the number of used passes of the first vehicle platform (1) is N-9; the first platform using tower wheel group is a first tower wheel group (11), and the second platform using tower wheel group is a fourth tower wheel group (22);
4) the diameters of tower wheels of L1-L10, L11-L22 and L24-L35 are measured in sequence and recorded as TD 1-TD 10, TD 11-TD 22 and TD 24-TD 35 respectively; the diameters of six corresponding belt wheels of the first vehicle platform (1) and the second vehicle platform (2) are measured and recorded as D1-D6;
5) calculating the transmission ratio T1 of each group of step wheels of the first vehicle platform as (D5/D6) multiplied by T2 according to the diameter of the step wheels and the diameter of the belt wheel; t2 ═ D1/D2; t3 ═ D3/D4; t4 ═ 1; the transmission ratio of each group of cone pulleys is the rotating speed ratio of the motor to the group of cone pulleys through a belt wheel;
6) calculating the length C1 of a transmission wire at the last step pulley L10 of the first step pulley group (11) to be TD10 multiplied by T1 and the length C2 of the transmission wire at the first step pulley L11 of the second step pulley group (12) to be TD11 multiplied by T4 according to the transmission ratio and the diameter of the step pulleys;
7) calculating the transmission ratio Y of L10 to L11 to be C1/C2 according to the transmission wire length C1 at L10 and the transmission wire length C2 at L11;
8) since the second carriage (2) is used for 9 passes, the second group of carriages is used from the L28 step wheels, and the diameter ratio of the first step wheel L24 to the L28 step wheel in the second carriage (2) is calculated and recorded as Z ═ TD24/TD 28;
9) and calculating the rotating speed of the first trolley station to be Y/Z according to the transmission ratio Y from L10 to L11 and the diameter ratio Z of the cone pulleys of L24 and L28, thereby completing the adjustment of the rotating speed required by the first trolley station and completing the design requirement of the mold chain.
2. The method for designing the die chain for drawing the thick-gauge steel wire by the double-low-power lathe according to claim 1, wherein the method comprises the following steps: the design standard of the total pass N in the step 2) is that the compression ratio of the die chain of the pass is larger than the compression ratio of the inherent die chain of the machine.
3. The method for designing the die chain for drawing the thick-gauge steel wire by the double-low-power lathe according to claim 1, wherein the method comprises the following steps: the first vehicle platform (1) and the second vehicle platform (2) are both low-power vehicle platforms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397732.8A CN111085556B (en) | 2019-12-30 | 2019-12-30 | Die chain design method for drawing thick steel wire by double low-power benches |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397732.8A CN111085556B (en) | 2019-12-30 | 2019-12-30 | Die chain design method for drawing thick steel wire by double low-power benches |
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| Publication Number | Publication Date |
|---|---|
| CN111085556A true CN111085556A (en) | 2020-05-01 |
| CN111085556B CN111085556B (en) | 2021-06-01 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1101545A2 (en) * | 1999-11-18 | 2001-05-23 | Tecnocard S.r.l. | Wire drawing machine |
| CN2761301Y (en) * | 2004-12-10 | 2006-03-01 | 江苏金泰隆机电设备制造厂 | Water tank drawing machine of drawing wire 23 or 25 lines |
| CN102896163A (en) * | 2012-10-23 | 2013-01-30 | 江阴市华方机电科技有限公司 | Water tank drawbench transmission system capable of realizing grouped progressive decrease of partial compression ratio |
| CN103028622A (en) * | 2013-01-14 | 2013-04-10 | 杭州星冠机械科技有限公司 | High-speed aluminum wire drawing machine |
| CN104624679A (en) * | 2013-11-13 | 2015-05-20 | 李肃 | Water tank wire drawing machine |
| CN206065065U (en) * | 2016-08-23 | 2017-04-05 | 佛山朕华照明材料有限公司 | A kind of multi-die wire drawing device of automatic withdrawing pattern |
-
2019
- 2019-12-30 CN CN201911397732.8A patent/CN111085556B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1101545A2 (en) * | 1999-11-18 | 2001-05-23 | Tecnocard S.r.l. | Wire drawing machine |
| CN2761301Y (en) * | 2004-12-10 | 2006-03-01 | 江苏金泰隆机电设备制造厂 | Water tank drawing machine of drawing wire 23 or 25 lines |
| CN102896163A (en) * | 2012-10-23 | 2013-01-30 | 江阴市华方机电科技有限公司 | Water tank drawbench transmission system capable of realizing grouped progressive decrease of partial compression ratio |
| CN103028622A (en) * | 2013-01-14 | 2013-04-10 | 杭州星冠机械科技有限公司 | High-speed aluminum wire drawing machine |
| CN104624679A (en) * | 2013-11-13 | 2015-05-20 | 李肃 | Water tank wire drawing machine |
| CN206065065U (en) * | 2016-08-23 | 2017-04-05 | 佛山朕华照明材料有限公司 | A kind of multi-die wire drawing device of automatic withdrawing pattern |
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| CN111085556B (en) | 2021-06-01 |
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