CN204294656U - Without the straight wire drawing machine of tuning roller - Google Patents
Without the straight wire drawing machine of tuning roller Download PDFInfo
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- CN204294656U CN204294656U CN201420753885.8U CN201420753885U CN204294656U CN 204294656 U CN204294656 U CN 204294656U CN 201420753885 U CN201420753885 U CN 201420753885U CN 204294656 U CN204294656 U CN 204294656U
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- reel
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Abstract
The utility model discloses a kind of straight wire drawing machine without tuning roller, relate to straight wire drawing machine field.Straight wire drawing machine by pay-off equipment, strand winding apparatus, spooling equipment, some be provided with motor reel and electrical system form, often overlap electrical system to be connected with a reel motor, every platform reel is all connected with a wire-drawing die, pay-off equipment is connected with contiguous wire-drawing die, be connected by wire-drawing die between adjacent reel, the wire-drawing die contiguous with strand winding apparatus is connected with spooling equipment by strand winding apparatus.The utility model can not only the tension force of controlling and adjustment steel wire, meets Production requirement, and relatively simple for structure, and use cost is lower, is convenient to people and uses.
Description
Technical field
The utility model relates to straight wire drawing machine field, is specifically related to a kind of straight wire drawing machine without tuning roller.
Background technology
Straight drawing machine is a kind of common metal wire rod process equipment, and straight drawing machine can stretch line processing to high, medium and low carbon steel wire, stainless steel wire, copper wire, alloy copper wire, aluminum-alloy wire etc.Along with the development of metallic article, straight drawing machine is widely used in Steel Wire Products Industry (such as steel cord, steel bead wire, rubber tube wire, steel strand wires, steel wire rope and wlding etc.), feature the liking deeply by users that straight drawing machine is high with its wire finished product speed, drawing steady, steel wire distortion is little, wire broken rate is low, equipment failure rate is low.
Straight drawing machine comprises pay-off equipment, some reel, strand winding apparatus and spooling equipments being provided with wire-drawing die, is provided with tuning roller between adjacent reel.When straight drawing machine uses, the steel wire that pay-off equipment is released is wound on first reel after first wire-drawing die, after tuning roller adjustment of tonicity, passes through remaining wire-drawing die and reel successively, eventually passes strand winding apparatus and be wound on spooling equipment.
Shown in Figure 1, the electrical system of existing straight drawing machine comprises the tension regulator of tuning roller, speed regulator, driving arrangement (circuit adjustment device, drive circuit) and motor, when straight drawing machine uses, by the tension force of tuning roller and speed regulator and Electric Machine Control steel wire, meet production requirement to make the tension force of steel wire.
But, when existing straight drawing machine uses, there is following defect:
(1) when straight drawing machine uses, tuning roller needs the tension force regulating steel wire when long term state, not only make the complicated structure of straight drawing machine, and the tuning roller of long-term motion easily damages the cylinder be connected with tuning roller, maintenance cost after cylinder damages is higher, and then adds use cost.
(2) when outside bad environments, the operating efficiency of the tension pick-up of tuning roller is lower, and (there is signal attenuation and interference problem in displacement transducer and potentiometer, the tension pick-up used is expensive and fragile), be not easy to people and use.
Utility model content
For the defect existed in prior art, the purpose of this utility model is to provide a kind of straight wire drawing machine without tuning roller, and the utility model can not only the tension force of controlling and adjustment steel wire, meet Production requirement, and relatively simple for structure, use cost is lower, is convenient to people and uses.
For reaching above object, the utility model provides a kind of straight wire drawing machine without tuning roller, by pay-off equipment, strand winding apparatus, spooling equipment, some be provided with motor reel and electrical system form, often overlap electrical system to be connected with a reel motor, every platform reel is all connected with a wire-drawing die, pay-off equipment is connected with contiguous wire-drawing die, is connected between adjacent reel by wire-drawing die, and the wire-drawing die contiguous with strand winding apparatus is connected with spooling equipment by strand winding apparatus.
On the basis of technique scheme, described electrical system is made up of current regulator, drive circuit, Current Feedback Control Circuit and reel motor; Described current regulator, drive circuit, Current Feedback Control Circuit join end to end in turn, and described current regulator is connected with reel motor by drive circuit.
On the basis of technique scheme, the described straight wire drawing machine without tuning roller is made up of pay-off equipment, strand winding apparatus, spooling equipment, 8 ~ 13 reels being provided with motor and 8 ~ 13 cover electrical systems.
On the basis of technique scheme, the described straight wire drawing machine without tuning roller is made up of pay-off equipment, strand winding apparatus, spooling equipment, 9 reels being provided with motor and 9 cover electrical systems.
On the basis of technique scheme, described every platform reel all adopts power to be the motor of 15 ~ 45KW.
On the basis of technique scheme, described every platform reel all adopts power to be the motor of 30KW.
Compared with prior art, the utility model has the advantage of:
With adjusted the tension force of steel wire in prior art by tuning roller compared with, the utility model can when not using tuning roller, the tension force of steel wire is calculated in real time according to the running current of reel motor, and then the tension force by regulating the running current of reel motor can control steel wire.Therefore, straight wire drawing machine of the present utility model does not have tuning roller, can not only the tension force of controlling and adjustment steel wire, meets Production requirement, and relatively simple for structure, and use cost is lower, is convenient to people and uses.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the electrical system of straight wire drawing machine in the utility model background technology;
Fig. 2 is the structured flowchart for the electrical system of the straight wire drawing machine without tuning roller in the utility model embodiment;
Fig. 3 is the schematic diagram of steel wire Impact direction in the utility model embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The straight wire drawing machine without tuning roller in the utility model embodiment, comprise pay-off equipment, strand winding apparatus, spooling equipment, some be provided with motor reel and electrical system (in the present embodiment, the quantity of reel and electrical system is generally 8 ~ 13, be preferably 9), often (power of reel motor is generally 15 ~ 45KW for cover electrical system and a reel motor, be generally 30KW) be connected, every platform reel is all connected with a wire-drawing die, pay-off equipment is connected with contiguous wire-drawing die, be connected by wire-drawing die between adjacent reel, the wire-drawing die contiguous with strand winding apparatus is connected with spooling equipment by strand winding apparatus.
Shown in Figure 2, electrical system comprises current regulator, drive circuit, Current Feedback Control Circuit and reel motor.Current regulator, drive circuit, Current Feedback Control Circuit join end to end in turn, and current regulator is connected with reel motor by drive circuit.
Current regulator is used for: the running current of reel motor.
Reel motor is used for: control reel and carry out wire drawing.
The tension force computational methods for the straight wire drawing machine without tuning roller in the utility model embodiment, comprise the following steps:
S1: the running current I pre-setting reel motor
1.
S2: according to formula
calculate the Driving Torque of reel motor, T in formula
efor the Driving Torque of reel motor, K is constant, I
0for reel empty load of motor electric current, I
1for the running current of reel motor.
K=3N
ru
1/ W
1, wherein N
rfor reel motor number of pole-pairs, U
1for stator phase voltage, W
1for power supply angular frequency.
S3: according to formula F
draw=T
ei/R calculates the pulling force of reel motor to steel wire, F in formula
drawfor reel motor is to the pulling force of steel wire, I is mechanical constant, and R is the radius (i.e. the arm of force) that steel wire draws wheel.
S4: according to formula F
?=F
mould+ F
draw+-F
drawcalculate the tension force of steel wire, F in formula
?for the tension force of steel wire, F
mouldfor the pulling capacity of the wire-drawing die of reel, F
draw+for the tension force of the preceding paragraph steel wire.
S5: judge F
?whether meet demand, if so, terminate, otherwise reset the running current I of reel motor
1, forward step S2 to.
When the straight wire drawing machine without tuning roller in the utility model embodiment uses, the steel wire that pay-off equipment is released is wound on first reel after first wire-drawing die, after electrical system calculates and regulates steel wire tension, pass through remaining wire-drawing die and reel successively, eventually pass strand winding apparatus and be wound on spooling equipment.
The tension force computational methods for the straight wire drawing machine without tuning roller in the utility model embodiment, get based on following principle.
Shown in Figure 2, when straight drawing machine uses, the stressed direction of steel wire changes according to the direction (drawing direction) of spool turns, under reel weares and teares unconspicuous situation, can think that the Driving Torque of reel motor and linear pulling force are than keeping constant.
F in Fig. 2
1be the pulling force (i.e. the Driving Torque of motor) of the first reel motor, F
2be the pulling force of the second reel motor, F
3be the pulling force of triple barrel motor, F
4it is the pulling force of the second reel motor.
F
12be interaction force between the first reel and the second reel tension force of steel wire (namely between the first reel and the second reel), F
23be interaction force between the second reel and the triple barrel tension force of steel wire (namely between the second reel and triple barrel), F
34it is interaction force between triple barrel and the Volume Four cylinder tension force of steel wire (namely between triple barrel and Volume Four cylinder).
F
c1be the pulling capacity of the first mould, F
c2be the pulling capacity of the second mould, F
c3be the pulling capacity of the 3rd mould, F
c1, F
c2and F
c3value keep constant.
F
1＝F
c1-F
12(1)
F
2＝F
c2+F
12-F
23(2)
F
3＝F
c3+F
23-F
34(3)
Can draw from publicity (1), (2) and (3): because controlled volume most important drawing process is tension force (the i.e. F of steel wire
12and F
23), therefore only need ensure F
12and F
23change in a certain scope, the production requirement of production technology can be met.
Because F
c1, F
c2and F
c3value keep constant, so the tension force (F of steel wire
12and F
23) with the pulling force (F of reel motor
1, F
2and F
3) relevant, therefore only the pulling force of reel motor need be controlled for steady state value, can by the tension stability of steel wire in given tension value.
Reel motor to the pass between the pulling force of steel wire and the Driving Torque of reel motor is:
F
draw=T/R=T
ei/R (4)
F in formula (4)
drawfor reel motor is to the pulling force of steel wire, T is the mechanical total torque of reel motor, T
efor the Driving Torque of reel motor, I is mechanical insight, and R is the radius (i.e. the arm of force) that steel wire draws wheel.
Along with the carrying out of drawing process process, steel wire draws the distance in the upper steel wire outer of wheel and the center of circle constantly to increase (namely R constantly increases), in order to ensure F
drawconstant, need constantly to increase T
e.R can draw the initial radium of wheel to estimate according to gauge of wire, length and steel wire.
The pass obtained between the Driving Torque of reel motor and electric current by motor stable state formula is:
T
e＝P/W＝3N
rU
1I
2/W
1(5)
T in formula (5)
efor the Driving Torque of reel motor, P is the power of reel motor, and W is rotor actual angular speed, N
rfor reel motor number of pole-pairs, I
2for rotor current, U
1for stator phase voltage, W
1for power supply angular frequency.
Due to 3N
ru
1/ W
1=K, K are constant, and therefore formula (5) can be reduced to:
I in formula (6)
0for reel empty load of motor electric current, I
1for the running current of reel motor.
In sum, the I of the utility model by pre-setting
1calculate the Driving Torque T of reel motor
ewith the tensile force f of reel motor to steel wire
draw, and then draw the tension force of steel wire.
The utility model is not limited to above-mentioned embodiment; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications are also considered as within protection domain of the present utility model.The content be not described in detail in this description belongs to the known prior art of professional and technical personnel in the field.
Claims (6)
1. the straight wire drawing machine without tuning roller, it is characterized in that: by pay-off equipment, strand winding apparatus, spooling equipment, some be provided with motor reel and electrical system form, often overlap electrical system to be connected with a reel motor, every platform reel is all connected with a wire-drawing die, pay-off equipment is connected with contiguous wire-drawing die, be connected by wire-drawing die between adjacent reel, the wire-drawing die contiguous with strand winding apparatus is connected with spooling equipment by strand winding apparatus.
2., as claimed in claim 1 without the straight wire drawing machine of tuning roller, it is characterized in that: described electrical system is made up of current regulator, drive circuit, Current Feedback Control Circuit and reel motor; Described current regulator, drive circuit, Current Feedback Control Circuit join end to end in turn, and described current regulator is connected with reel motor by drive circuit.
3. as claimed in claim 1 or 2 without the straight wire drawing machine of tuning roller, it is characterized in that: the described straight wire drawing machine without tuning roller is made up of pay-off equipment, strand winding apparatus, spooling equipment, 8 ~ 13 reels being provided with motor and 8 ~ 13 cover electrical systems.
4. as claimed in claim 3 without the straight wire drawing machine of tuning roller, it is characterized in that: the described straight wire drawing machine without tuning roller is made up of pay-off equipment, strand winding apparatus, spooling equipment, 9 reels being provided with motor and 9 cover electrical systems.
5. as claimed in claim 1 or 2 without the straight wire drawing machine of tuning roller, it is characterized in that: described every platform reel all adopts power to be the motor of 15 ~ 45KW.
6. as claimed in claim 5 without the straight wire drawing machine of tuning roller, it is characterized in that: described every platform reel all adopts power to be the motor of 30KW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420753885.8U CN204294656U (en) | 2014-12-04 | 2014-12-04 | Without the straight wire drawing machine of tuning roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420753885.8U CN204294656U (en) | 2014-12-04 | 2014-12-04 | Without the straight wire drawing machine of tuning roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204294656U true CN204294656U (en) | 2015-04-29 |
Family
ID=53100238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420753885.8U Active CN204294656U (en) | 2014-12-04 | 2014-12-04 | Without the straight wire drawing machine of tuning roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204294656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478526A (en) * | 2015-12-18 | 2016-04-13 | 武汉同力智能系统股份有限公司 | Method for water tank wire-drawing machine to densely arrange extra thin steel wires on base of proximity switches |
-
2014
- 2014-12-04 CN CN201420753885.8U patent/CN204294656U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478526A (en) * | 2015-12-18 | 2016-04-13 | 武汉同力智能系统股份有限公司 | Method for water tank wire-drawing machine to densely arrange extra thin steel wires on base of proximity switches |
| CN105478526B (en) * | 2015-12-18 | 2017-09-05 | 武汉同力智能系统股份有限公司 | Method of the water tank drawbench based on proximity switch solid matter extra thin steel wire |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |