CN114273446A - Wire drawing system for steel wire drawing - Google Patents
Wire drawing system for steel wire drawing Download PDFInfo
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- CN114273446A CN114273446A CN202111632044.2A CN202111632044A CN114273446A CN 114273446 A CN114273446 A CN 114273446A CN 202111632044 A CN202111632044 A CN 202111632044A CN 114273446 A CN114273446 A CN 114273446A
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- wire drawing
- steel wire
- guide roller
- pay
- deflector roll
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Abstract
The invention discloses a wire drawing system for drawing a steel wire, which comprises a wire drawing machine, a guide roller frame and a rotary wire drawing device which are sequentially arranged; the drawing machine comprises a pay-off stand, the pay-off stand comprises a base and a pay-off channel arranged on the base, one end of the pay-off channel is connected with the drawing machine, and a bearing cover plate is arranged at the port of the other end of the pay-off channel; one side of the bearing cover plate is provided with a pay-off roller; the guide roller frame comprises a machine base, a fixed box body arranged on the machine base and a guide roller set, the guide roller set is arranged in the fixed box body, and a steel wire passing opening is formed between guide rollers in the guide roller set; the rotary wire drawing device comprises a base and a box body arranged on the base, a barrel is arranged in the box body, a wire drawing cavity and a wire drawing die are sequentially arranged in the barrel, a worm wheel is sleeved outside the barrel, and the worm wheel is connected with a worm. The invention prolongs the service life of rotation, reduces the workload of a mechanic, reduces the maintenance cost, reduces the time for stopping and maintaining, and improves the working efficiency.
Description
Technical Field
The invention relates to the technical field of steel strand production equipment, in particular to a wire drawing system for drawing a steel wire.
Background
The production of the steel strand is firstly to draw the raw material wire rod through a wire drawing machine, a die box is one of the main parts of the wire drawing process, and the diameter of the drawn steel wire needs to be reduced through a drawing die. When the bonderizing wire rod on the wire drawing machine pay off rack is removed to the front end by the rear end, need hang up the pay off rack rear end with the driving a vehicle, current wire drawing machine unwrapping wire schematic diagram is seen in figure 1, because the wire rod can touch front end bearing cover plate, consequently the during operation is scraped the bonderizing layer on wire rod surface easily, influence the quality of wire rod, and the shearing force of crooked wire rod leads to the frequent fracture of fixed screw even on using bearing cover plate, the smooth tooth in hole of fixed screw, lead to the machine to repair the great and maintenance difficulty of worker work load, maintenance duration is longer.
The wire roller on the preceding wire roller group of current pay off rack is short, see fig. 2, the coil strip often escapes in the production, easily breaks, influences production efficiency, the steel wire pops out and also has the potential safety hazard to equipment, and wire roller atress is big on the wire wheel roller, damages easily, and wire roller only one end passes through the screw fixation on the steel sheet, can the grow after the shaft hole atress of fixed deflector roll, make the wire roller can rock and fall even, have the potential safety hazard.
The existing drawing die comprises a rotary die box and a fixed die box, and has the following defects: the tangent direction of the steel wire when the steel wire is taken out of the winding drum on the wire drawing die orifice is not concentric with the die. On one hand, the wear of the unilateral hole pattern of the wire-drawing die is aggravated, so that the hole pattern is ovalized; on the other hand, the drawing deformation of the steel wire in the circumferential direction is not uniform, the ovality of the steel wire is ultra-poor, and the surface quality and the mechanical property of the steel wire are reduced. The existing metal product industry uses the rotary die to enable the wire-drawing die to slowly rotate, so that the ovalization abrasion tendency of the wire-drawing die in the drawing process can be eliminated, but the existing rotary die is high in rotating speed and easy to abrade, lubricating powder is easy to enter a gear cavity, a 4-point angular contact bearing is high in stress and easy to damage, and the like, so that the service life of the rotary die is influenced. When the defects are broken down, the maintenance work time is long, the production efficiency is reduced, and the maintenance cost is increased.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a wire drawing system for drawing a steel wire, which improves the production efficiency, reduces the loss of a die, improves the quality of the steel wire and reduces the maintenance cost of equipment.
The technical scheme adopted by the invention for solving the problems is as follows: a wire drawing system for drawing a steel wire comprises a wire drawing machine, a guide roller frame and a rotary wire drawing device which are sequentially arranged; the drawing machine comprises a pay-off stand, the pay-off stand comprises a base and a pay-off channel arranged on the base, one end of the pay-off channel is connected with the drawing machine, and a bearing cover plate is arranged at the port of the other end of the pay-off channel; one side of the bearing cover plate is provided with a pay-off roller; the guide roller frame comprises a machine base, a fixed box body arranged on the machine base and a guide roller set, the guide roller set is arranged in the fixed box body, a plurality of guide rollers are arranged in the guide roller set, and a steel wire passing opening is formed between the guide rollers; the rotary wire drawing device comprises a base and a box body arranged on the base, a barrel is arranged in the box body, a wire drawing cavity and a wire drawing die are sequentially arranged in the barrel, a worm wheel is sleeved outside the barrel, and the worm wheel is connected with a worm.
Further, the paying-off roller is arranged above the steel wire outlet, and the central line of the paying-off roller is perpendicular to the paying-off direction of the steel wire.
Further, the guide roller group includes that the deflector roll is erected to first horizontal deflector roll, the horizontal deflector roll of second, first perpendicular deflector roll and second, the parallel horizontal setting of the horizontal deflector roll of first horizontal deflector roll and second, the inner wall at fixed box is fixed at both ends, the parallel vertical setting of deflector roll is erected to first perpendicular deflector roll and second, and the inner wall at fixed box is fixed at both ends, from this first horizontal deflector roll, the horizontal deflector roll of second, first perpendicular deflector roll and second erect and constitute a rectangular steel wire through-hole between the deflector roll, prevent that the steel wire from escaping.
Furthermore, lubricating oil filling devices are arranged on shafts of guide rollers of the guide roller group.
Furthermore, one end of the wire drawing die is connected with a copper nut and is fixed through the copper nut.
Furthermore, one side of the worm wheel is provided with a bearing for fixing, and the bearing is a tapered roller bearing.
Further, a mechanical seal is arranged at the inlet of the wire drawing cavity.
Further, the surface of barrel is equipped with the wearing layer.
Due to the application of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
(1) the pay-off stand of the wire drawing machine ensures the surface quality of phosphated wire rods and effectively solves the problem of screw breakage; the service life is greatly prolonged, and the labor intensity of machine repair is reduced; the failure rate is reduced, the channel opening rate is improved, and the production cost is saved.
(2) The guide roller frame is high in strength, the problem that the wire rod escapes in production is solved, and the guide roller frame is safe and reliable to use; the installation mode of the wire guide roller is improved, and the maintenance rate of equipment for fixing the wire guide roller is reduced; a lubricating oil filling device is added on a shaft of the guide roller, and the lubricating oil filling device is used for regularly filling oil to ensure that the bearing is well lubricated, so that the service life is greatly prolonged, the maintenance cost is reduced, and the opening rate of equipment is improved.
(3) The rotary wire drawing device adopts the worm wheel to drive the wire drawing die in the cylinder to rotate, so that the drawing deformation is more uniform, the ovality of the steel wire is better, the unilateral abrasion of the die core of the wire drawing die is reduced, the gradual ovalization of the hole pattern of the die cavity is avoided, and the surface quality and the mechanical property of the steel wire are improved; the bearing tension of the adopted tapered roller bearing is increased; the plane mechanical seal in the mechanical seal is utilized to form relative motion, so that the resistance is reduced, the external lubricating powder is prevented from entering, the water leakage fault and the lubricating powder entering fault are solved, and the service life of the equipment is prolonged; the reduction ratio of the worm wheel and the worm is large, the reduction ratio is large, the abrasion of the framework oil seal is reduced on the premise that the rotating speed is reduced and the use requirement is met, and the water leakage probability is obviously reduced; the service life of the equipment is prolonged, the requirements are met, the time for stopping the platform for maintenance is shortened, the maintenance cost is reduced, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic drawing of the pay-off of a pay-off stand of a conventional wire drawing machine.
Fig. 2 is a schematic structural view of a conventional guide roller frame.
Fig. 3 is a schematic structural diagram of the present invention.
FIG. 4 is a schematic structural view of a pay-off stand of a wire drawing machine according to the present invention.
Fig. 5 is a schematic structural view of the guide roller frame of the present invention.
Fig. 6 is a schematic structural view of a rotary drawing apparatus of the present invention.
In the figure:
the device comprises a pay-off rack 1, a pay-off channel 11, a bearing cover plate 12, a pay-off roller 13, a guide roller rack 2, a fixed box body 21, a first transverse guide roller 22, a second transverse guide roller 23, a first vertical guide roller 24, a second vertical guide roller 25, a rotary wire drawing device 3, a wire drawing cavity 31, a wire drawing die 32, a cylinder body 33, a worm wheel 34, a worm 35, a box body 36, a bearing 37 and a copper nut 38.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Example 1:
referring to fig. 3-6, fig. 3 is a schematic diagram of a wire drawing system for drawing a steel wire. As shown in the figure, the wire drawing system for drawing the steel wire comprises a wire drawing machine, a pay-off rack 1, a guide roller rack 2 and a rotary wire drawing device 3 which are sequentially arranged.
The pay-off stand 1 comprises a stand and a pay-off channel 11 arranged on the stand, one end of the pay-off channel 11 is connected with a wire drawing machine, and a bearing cover plate 12 is arranged at the port of the other end of the pay-off channel 11; one side of the bearing cover plate 12 is a paying-off channel 11, the other side of the bearing cover plate is provided with a paying-off roller 13, the paying-off roller 13 is close to the bearing cover plate 12, is arranged above a steel wire outlet and is fixed on the base or the bearing cover plate 12, and the central line of the paying-off roller 13 is perpendicular to the paying-off direction of the steel wire.
The guide roller frame 2 comprises a machine base, a fixed box body 21 and a guide roller group, wherein the fixed box body 21 and the guide roller group are arranged on the machine base, the guide roller group is arranged in the fixed box body 21 and comprises a first transverse guide roller 22, a second transverse guide roller 23, a first vertical guide roller 24 and a second vertical guide roller 25, the first transverse guide roller 22 and the second transverse guide roller 23 are arranged in parallel and transversely, two ends of the first transverse guide roller 22 and the second transverse guide roller 23 are fixed on the inner wall of the fixed box body 21, the first vertical guide roller 24 and the second vertical guide roller 25 are arranged in parallel and vertically, two ends of the first transverse guide roller 24 and the second vertical guide roller 25 are fixed on the inner wall of the fixed box body 21, therefore, a rectangular steel wire passing opening is formed among the first transverse guide roller 22, the second transverse guide roller 23, the first vertical guide roller 24 and the second vertical guide roller 25, and the steel wire is prevented from escaping,
and lubricating oil filling devices are arranged on the shafts of the first transverse guide roller 22, the second transverse guide roller 23, the first vertical guide roller 24 and the second vertical guide roller 25.
The rotary wire drawing device 3 comprises a base and a box body 36 arranged on the base, a cylinder body 33 is arranged in the box body 36, a wire drawing cavity 31, a wire drawing die 32 and a copper nut 38 are sequentially arranged in the cylinder body 33, a worm wheel 34 is sleeved outside the cylinder body 33, and the worm wheel 34 is connected with a worm 35.
The inlet of the wire drawing cavity 31 is provided with a mechanical seal, the outlet is communicated with the wire drawing die 32, and the other end of the wire drawing die 32 is connected with a copper nut 38 and fixed through the copper nut 38.
One side of the worm wheel 34 is provided with a bearing 37 for fixing, and the bearing 37 is a tapered roller bearing.
And a plane mechanical seal is arranged in the mechanical seal.
The surface of the cylinder 33 is provided with a wear-resistant layer.
The working principle is as follows:
the steel wire of wire drawing machine is worn out from the centre bore of bearing apron 12 through unwrapping wire passageway 11, and the steel wire that gets into the guide roll group formation of guide roll frame 2 after the direction of unwrapping wire roller 13 passes through the mouth, then gets into the wire drawing chamber 31 of rotatory wire drawing device 3, then passes through wire drawing mould 32, and wire drawing mould 32 places in barrel 33, and barrel 33 is rotatory through worm wheel 34, and worm wheel 34 relies on motor worm 35 to provide rotary power to it is rotatory to drive wire drawing mould 32.
Through carrying out analytical study to the pay off rack structure of wire drawing machine and disconnected screw reason, install a unwrapping wire roller additional at the bearing cap plate of pay off rack front end, when the pay off rack rear end was lifted up, the stress of wire rod all added on the unwrapping wire roller to avoid bearing cap plate's screw easy-to-break problem.
The guide roller frame is provided with a fixed box body, and four guide rollers are arranged in the fixed box body to form a closed space, so that the wire rod cannot escape; the fixing mode of the wire roller is changed from one-point fixing at the bottom into fixing at two ends in the box body, so that the strength is improved; a lubricating oil filling device is added on a shaft of the guide roller.
The barrel of the rotary wire drawing device drives the barrel to rotate after being decelerated by the worm gear and the worm, the barrel provides power for the rotation of the die, and the following problems are solved: (1) the drawing deformation is not uniform, so that the ovality of the steel wire is reduced; (2) the single side of the die core of the wire-drawing die is worn, so that the hole pattern of the die cavity is gradually elliptic; (3) the surface quality and the mechanical property of the steel wire are influenced to be lowered;
the mechanical seal solves the problems of water leakage fault, fault of entering lubricating powder and short service life of equipment; the reduction ratio of the worm wheel and the worm is large, so that the problem of high speed of the die is solved.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.
Claims (8)
1. A wire drawing system for drawing a steel wire, characterized in that: the wire drawing machine comprises a wire drawing machine, a guide roller frame (2) and a rotary wire drawing device (3) which are arranged in sequence; the drawing machine comprises a pay-off stand (1), the pay-off stand (1) comprises a base and a pay-off channel (11) arranged on the base, one end of the pay-off channel (11) is connected with the drawing machine, and a bearing cover plate (12) is arranged at the port of the other end of the pay-off channel; one side of the bearing cover plate (12) is provided with a pay-off roller (13); the guide roller frame (2) comprises a machine base, a fixed box body (21) arranged on the machine base and a guide roller group, the guide roller group is arranged in the fixed box body (21), a plurality of guide rollers are arranged in the guide roller group, and a steel wire passing opening is formed between the guide rollers; rotatory wire drawing device (3) include the base and set up box (36) on the base, are equipped with barrel (33) in box (36), set gradually wire drawing chamber (31) and wire drawing mould (32) in barrel (33), worm wheel (34) are established to barrel (33) outside cover, worm (35) are connected in worm wheel (34).
2. A drawing system for steel wire drawing according to claim 1, characterized in that: the paying-off roller (13) is arranged above the steel wire outlet, and the central line of the paying-off roller (13) is perpendicular to the paying-off direction of the steel wire.
3. A drawing system for steel wire drawing according to claim 1, characterized in that: the guide roller group includes that first horizontal deflector roll (22), the horizontal deflector roll of second (23), first perpendicular deflector roll (24) and second erect deflector roll (25), the parallel horizontal setting of the horizontal deflector roll of first horizontal deflector roll (22) and second (23), the inner wall at fixed box (21) is fixed at both ends, the parallel vertical setting of deflector roll (25) is erected to first perpendicular deflector roll (24) and second, and the inner wall at fixed box (21) is fixed at both ends, and form a rectangular steel wire through opening between the deflector roll of first horizontal deflector roll (22), the horizontal deflector roll of second (23), first perpendicular deflector roll (24) and the second erects deflector roll (25) from this, prevents that the steel wire from escaping.
4. A drawing system for steel wire drawing according to claim 1, characterized in that: and lubricating oil filling devices are arranged on shafts of guide rollers of the guide roller group.
5. A drawing system for steel wire drawing according to claim 1, characterized in that: one end of the wire drawing die (32) is connected with a copper nut (38) and is fixed through the copper nut (38).
6. A drawing system for steel wire drawing according to claim 1, characterized in that: one side of the worm wheel (34) is provided with a bearing (37) for fixation, and the bearing (37) is a tapered roller bearing.
7. A drawing system for steel wire drawing according to claim 1, characterized in that: and a mechanical seal is arranged at the inlet of the wire drawing cavity (31).
8. A drawing system for steel wire drawing according to claim 1, characterized in that: the surface of the cylinder body (33) is provided with a wear-resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111632044.2A CN114273446A (en) | 2021-12-29 | 2021-12-29 | Wire drawing system for steel wire drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111632044.2A CN114273446A (en) | 2021-12-29 | 2021-12-29 | Wire drawing system for steel wire drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114273446A true CN114273446A (en) | 2022-04-05 |
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ID=80877437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111632044.2A Pending CN114273446A (en) | 2021-12-29 | 2021-12-29 | Wire drawing system for steel wire drawing |
Country Status (1)
| Country | Link |
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| CN (1) | CN114273446A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020890A (en) * | 2023-03-30 | 2023-04-28 | 上海电气集团腾恩驰科技(苏州)有限公司 | Wire drawing guider for cable production, wire drawing method and wire drawing production line |
-
2021
- 2021-12-29 CN CN202111632044.2A patent/CN114273446A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020890A (en) * | 2023-03-30 | 2023-04-28 | 上海电气集团腾恩驰科技(苏州)有限公司 | Wire drawing guider for cable production, wire drawing method and wire drawing production line |
| CN116020890B (en) * | 2023-03-30 | 2023-07-18 | 上海电气集团腾恩驰科技(苏州)有限公司 | Wire drawing guider for cable production, wire drawing method and wire drawing production line |
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