CN104452375B - Multi-filament production device for cord thread - Google Patents
Multi-filament production device for cord thread Download PDFInfo
- Publication number
- CN104452375B CN104452375B CN201410714071.8A CN201410714071A CN104452375B CN 104452375 B CN104452375 B CN 104452375B CN 201410714071 A CN201410714071 A CN 201410714071A CN 104452375 B CN104452375 B CN 104452375B
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- tension
- tension swing
- swing rod
- central shaft
- wheel
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000005491 wire drawing Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 description 21
- 239000010959 steel Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2301/00—Controls
- D07B2301/55—Sensors
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Abstract
A multi-wire production device for cord threads comprises at least two front guide wheels, at least two wire drawing machines and a wire drawing machine, wherein the front guide wheels correspond to the at least two wire drawing machines respectively; the tension control mechanism comprises a central shaft which is horizontally fixed on a frame; the rod bodies of the at least two tension swing rods are respectively provided with an eccentric wheel which can be sleeved on the central shaft, and the tension swing rods rotate around the central shaft; one end of the tension swing rod is provided with a guide wheel, and the other side of the tension swing rod is provided with a plurality of gears; the two springs correspond to the tension swing rods, one ends of the springs are connected to the fixed point, and the other ends of the springs are movably arranged on gears on the tension swing rods; at least two tension sensors which are respectively and correspondingly arranged below the eccentric wheel and respectively connected with a programmable controller; the rear guide wheel is arranged at the rear side of the tension control mechanism; the wire take-up spool is arranged on the outer side of the rear guide wheel. According to the invention, a plurality of paying-off of one spool are realized during cord thread production, the production efficiency of the cord thread is obviously improved, and the production cost is reduced.
Description
Technical Field
The invention relates to a multi-filament production technology, in particular to a multi-filament production device for cords.
Background
In the current stranding production process, the paying-off mode is single monofilament paying-off no matter a double-twisting process or a single-twisting process, namely only one steel wire is arranged on one spool. When a multilayer structure is produced, because a large number of monofilament spools are needed, the occupied space is large (for example, when 7 monofilament strands in a 1+6, 7x1 structure are produced, 7 paying-off shafts are needed for internal paying-off), and the multilayer structure is produced on a stranding machine with large energy consumption and low production efficiency.
The multi-filament production can obviously solve the problems, partial structural cords can be transferred to a stranding car platform with low energy consumption and high production efficiency for production (for example, when 1+6, 7x1 stranded cords are produced, if 2 double-filament discs are used for internal release cords, the internal release cords can be put on a double-twisting machine with only 4 pay-off shafts for production), and even the cords formed twice can be produced in one-step forming mode.
Disclosure of Invention
The invention aims to provide a multi-filament production device for a cord thread, which is different from the traditional single filament, can realize the paying off of a plurality of I-shaped wheels during the production of the cord thread, can obviously improve the production efficiency of the cord thread and reduce the production cost.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a multi-wire production device for cord threads comprises at least two front guide wheels, at least two wire drawing machines and a wire drawing machine, wherein the front guide wheels correspond to the at least two wire drawing machines respectively; the tension control mechanism comprises a central shaft which is horizontally fixed on a frame; the rod bodies of the at least two tension swing rods are respectively provided with an eccentric wheel which can be sleeved on the central shaft, and the tension swing rods rotate around the central shaft to form a lever structure; one end of the tension swing rod is provided with a guide wheel, and the other side of the tension swing rod is provided with a plurality of gears; at least two springs respectively corresponding to the tension swing rods, wherein one end of each spring is connected to a fixed point, and the other end of each spring is movably arranged at a gear on one side of each tension swing rod; correspondingly, a spring at the other end of the tension swing rod and a gear on the tension swing rod form another arm of force; the at least two tension sensors are respectively and correspondingly arranged below the eccentric wheel and are respectively connected with a programmable controller, and the programmable controller transmits signals to the wire drawing machine; the rear guide wheel is arranged at the rear side of the tension control mechanism; the flat bottom wheel is arranged on the rear side of the rear guide wheel; and the wire take-up spool is arranged on the outer side of the flat bottom wheel.
Furthermore, a limiting block is arranged above the tension swing rod.
Because the cord thread production has high requirements for the production of double threads, a control panel is needed to control at least two trolleys to start simultaneously, and the consistency of the time required from starting to full speed, the consistency of the starting length of the steel wires, the consistency of the stopping time and the stopping distance of the steel wires are very high, and the requirements are all controlled by a tension swing rod.
The invention is characterized in that each tension swing rod is provided with an eccentric wheel, the eccentric wheel and the swing rod rotate together around a central shaft, a corresponding tension sensor senses the deflection amplitude of the eccentric wheel, if the speed of one steel wire traction wheel is higher, the steel wire is longer than the steel wire beside the steel wire before reaching a take-up line, the take-up speed is constant, the force arm is unbalanced, the rear force arm is larger than the front force arm, the tension swing rod drives the eccentric wheel to deflect simultaneously, a Programmable Logic Controller (PLC) calculates an analog quantity according to the deflection amplitude of the eccentric wheel sensed by the tension sensor, simultaneously compares the analog quantity value with a standard balance value, the analog quantity value is larger than the standard balance value, the PLC gives a wire drawing machine of the steel wire according to the value difference between the analog quantity value and the standard balance value, the wire drawing machine reduces the traction speed according to the PLC command, so that the tension swing rod reaches new balance, and the steel wire on the tension swing rod and the steel wire with the, avoiding the steel wires from being different in length.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a tension control mechanism according to an embodiment of the present invention.
Fig. 3 is a side view of fig. 2.
Detailed Description
Referring to fig. 1 to 3, the multi-filament production apparatus for cord thread of the present invention comprises at least two front guide wheels 1 (taking guide wheel 1 as an example, the same applies below) respectively corresponding to at least two drawing machines 100; the tension control mechanism 2 comprises a central shaft 21 horizontally fixed on a frame; at least two tension swing rods 22, wherein the rod bodies of the tension swing rods 22 are respectively provided with an eccentric wheel 23 which can be sleeved on the central shaft, and the tension swing rods 22 rotate around the central shaft 23 to form a lever structure; one end of the tension swing rod 22 is provided with a guide wheel 24, and the other side is provided with a plurality of gears 221; at least two springs 25 respectively corresponding to the tension swing rods 22, wherein one end of each spring 25 is connected to a fixed point, and the other end of each spring 25 is movably arranged at a gear 221 on one side of each tension swing rod 22; to this end, the guide wheel 24 at one end of the tension swing rod 22 and the steel wire form a force arm, and correspondingly, the spring 25 at the other end of the tension swing rod 22 and the gear 221 on the tension swing rod 22 form another force arm; at least two tension sensors 26, which are respectively and correspondingly arranged below the eccentric wheel 23 and are respectively connected with a programmable controller (not shown), and the programmable controller transmits signals to the wire drawing machine; a rear guide wheel 3 provided on the rear side of the tension control mechanism 2; the flat bottom wheel 4 is arranged at the rear side of the rear guide wheel 3; and the wire take-up spool 5 is arranged on the outer side of the flat bottom wheel 4.
Furthermore, a limiting block 6 is arranged above the tension swing rod 22.
The eccentric wheel of the tension swing rod rotates around the central shaft, the deflection amplitude of the eccentric wheel is sensed by the tension sensor, if the speed of one steel wire traction wheel is inconsistent with that of the other steel wire, the steel wire is required to deviate from the length of the steel wire beside the steel wire before the steel wire reaches a take-up line, so that the moment arm is unbalanced, the tension swing rod drives the eccentric wheel to deflect simultaneously, the deflection amplitude of the eccentric wheel is sensed by the tension sensor, a Programmable Logic Controller (PLC) calculates an analog quantity according to the deflection amplitude and compares the analog quantity with a standard balance value, and the PLC immediately commands the single-wire drawing machine to carry out speed adjustment according to the difference between the two values, so that the tension swing rod reaches new balance again, the steel wire on the tension swing rod and the steel wires with the lengths of the other tension swing.
The multi-filament produced by the invention is pulled out by hand for 10 meters, and the length difference of each steel wire is not more than 5 millimeters.
Claims (2)
1. A multi-filament production device for a cord is characterized by comprising,
the at least two front guide wheels respectively correspond to the at least two wire drawing machines;
the tension control mechanism comprises a tension control mechanism which comprises,
a central shaft horizontally fixed on a frame;
the rod bodies of the at least two tension swing rods are respectively provided with an eccentric wheel which can be sleeved on the central shaft, and the tension swing rods rotate around the central shaft to form a lever structure; one end of the tension swing rod is provided with a guide wheel, and the other side of the tension swing rod is provided with a plurality of gears;
at least two springs respectively corresponding to the tension swing rods, wherein one end of each spring is connected to a fixed point, and the other end of each spring is movably arranged at a gear on one side of each tension swing rod; correspondingly, a spring at the other end of the tension swing rod and a gear on the tension swing rod form another arm of force;
the at least two tension sensors are respectively and correspondingly arranged below the eccentric wheel and are respectively connected with a programmable controller, and the programmable controller transmits signals to the wire drawing machine;
the rear guide wheel is arranged at the rear side of the tension control mechanism;
the flat bottom wheel is arranged on the rear side of the rear guide wheel;
and the wire take-up spool is arranged on the outer side of the flat bottom wheel.
2. The multi-filament production device for cord according to claim 1, wherein a stopper is provided above said tension swing link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714071.8A CN104452375B (en) | 2014-11-28 | 2014-11-28 | Multi-filament production device for cord thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714071.8A CN104452375B (en) | 2014-11-28 | 2014-11-28 | Multi-filament production device for cord thread |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104452375A CN104452375A (en) | 2015-03-25 |
| CN104452375B true CN104452375B (en) | 2020-04-14 |
Family
ID=52899081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410714071.8A Active CN104452375B (en) | 2014-11-28 | 2014-11-28 | Multi-filament production device for cord thread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104452375B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204238060U (en) * | 2014-11-28 | 2015-04-01 | 江苏宝钢精密钢丝有限公司 | A kind of cord multifibres process units |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4130046A (en) * | 1978-02-15 | 1978-12-19 | Vincent Sokol | Braiding machine with continuous tension filament control |
| FR2552127A1 (en) * | 1983-09-19 | 1985-03-22 | Redaelli Tecna Meccanica Spa | Device for detecting the tension of the various yarns which, in a strander/cabler, contribute to the formation of the cord of any type and of any material |
| CN2405917Y (en) * | 1998-06-17 | 2000-11-15 | 石国平 | Passive high-speed paying-out mechanism |
| CN100387773C (en) * | 2005-08-31 | 2008-05-14 | 江苏兴达钢帘线股份有限公司 | a twisting machine |
| CN102031711A (en) * | 2010-11-19 | 2011-04-27 | 江苏巨力钢绳有限公司 | Automatic pay-off equipment with protective device |
| CN102677493B (en) * | 2012-05-18 | 2014-12-24 | 宁波市鄞州文辉机械设备制造有限公司 | Stranding machine |
-
2014
- 2014-11-28 CN CN201410714071.8A patent/CN104452375B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204238060U (en) * | 2014-11-28 | 2015-04-01 | 江苏宝钢精密钢丝有限公司 | A kind of cord multifibres process units |
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| CN104452375A (en) | 2015-03-25 |
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