CN113290044A - Production equipment and process of ribbed cold-rolled steel bar - Google Patents
Production equipment and process of ribbed cold-rolled steel bar Download PDFInfo
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- CN113290044A CN113290044A CN202110564622.7A CN202110564622A CN113290044A CN 113290044 A CN113290044 A CN 113290044A CN 202110564622 A CN202110564622 A CN 202110564622A CN 113290044 A CN113290044 A CN 113290044A
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- reinforcing bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
- B21B1/163—Rolling or cold-forming of concrete reinforcement bars or wire ; Rolls therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
- B21B1/18—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0064—Uncoiling the rolled product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0071—Levelling the rolled product
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention relates to the technical field of building material production equipment, and provides ribbed cold-rolled steel bar production equipment, which comprises a pay-off rack, a dephosphorization mechanism, a straightening machine and a subsequent treatment mechanism, and is characterized in that: dephosphorization mechanism includes the liquid reserve tank, still includes the first leading wheel, second leading wheel and the leading-out wheel that set gradually to the exit end by the entrance point of liquid reserve tank, the straightener hoist and mount in the liquid reserve tank top and lie in between first leading wheel and the second leading wheel, the reinforcing bar on the pay off rack passes through first leading wheel in proper order, the straightener, the second leading wheel, the leading-out wheel enters into in the follow-up processing mechanism, the reinforcing bar that lies in between first leading wheel and the second leading wheel is located the liquid level below in the liquid reserve tank, the leading-out wheel is located the liquid level top in the liquid reserve tank. The problem of among the prior art reinforcing bar need stay a certain time in dephosphorization mechanism, then can get into the straightener, influence production efficiency is solved.
Description
Technical Field
The invention relates to the technical field of building material production equipment, in particular to ribbed cold-rolled steel bar production equipment and a technology.
Background
The ribbed cold rolled steel bar is a crescent steel bar with two or three surfaces formed by hot rolled wire rods through multiple cold rolling reducing, rib pressing and internal stress elimination, has the characteristics of high strength, good anchoring property with concrete and the like, and is commonly used in prestressed concrete members. The existing production equipment for the ribbed cold-rolled steel bars comprises a pay-off rack, a dephosphorization mechanism, a straightening machine, a cold-rolling mechanism, a high-frequency induction heating machine and a flying shear mechanism which are sequentially arranged, in order to ensure the dephosphorization effect, the steel bars need to stay in the dephosphorization mechanism for a certain time and then can enter the straightening machine, and the production efficiency is influenced.
Disclosure of Invention
The invention provides production equipment and a production process of a ribbed cold-rolled steel bar, and solves the problem that in the prior art, the steel bar needs to stay in a dephosphorization mechanism for a certain time and then can enter a straightener to influence the production efficiency.
The technical scheme of the invention is as follows: production equipment for ribbed cold-rolled steel bars comprises a pay-off rack, a dephosphorization mechanism, a straightening machine and a subsequent treatment mechanism, and is characterized in that: dephosphorization mechanism includes the liquid reserve tank, still includes the first leading wheel, second leading wheel and the leading-out wheel that set gradually to the exit end by the entrance point of liquid reserve tank, the straightener hoist and mount in the liquid reserve tank top and lie in between first leading wheel and the second leading wheel, the reinforcing bar on the pay off rack passes through first leading wheel in proper order, the straightener, the second leading wheel, the leading-out wheel enters into in the follow-up processing mechanism, the reinforcing bar that lies in between first leading wheel and the second leading wheel is located the liquid level below in the liquid reserve tank, the leading-out wheel is located the liquid level top in the liquid reserve tank.
The straightening machine is hung above the liquid storage tank by virtue of a first telescopic mechanism, the steel bars on the straightening machine have the freedom of movement of descending below the liquid level in the liquid storage tank or ascending above the liquid level by virtue of the telescopic action of the first telescopic mechanism, and the driving mechanism of the straightening machine is positioned above the liquid level.
The dovetail groove is formed in the upper end face of the liquid storage tank, the pay-off rack comprises a supporting shaft and inserting blocks, the supporting shaft is used for bearing reinforcing steel bars, the inserting blocks are arranged at two ends of the supporting shaft, the supporting shaft and the inserting blocks form a rotating fit, the lower end of each inserting block is of a dovetail strip structure, the supporting shaft and the liquid storage tank form a detachable connection in a splicing fit mode through the inserting blocks and the dovetail groove, the first guide wheel is located between the supporting shaft and the straightening machine, and the pay-off rack is located above the liquid level.
The production equipment further comprises a first positioning plate which is hoisted above the liquid storage tank by means of a first telescopic rod, the first guide wheel is arranged on the first positioning plate, and the first positioning plate and the straightening machine, and the first positioning plate and the first telescopic rod are detachably connected.
The production equipment further comprises a second positioning plate which is hoisted above the liquid storage tank by means of a second telescopic rod, a second guide wheel is arranged on the second positioning plate, and the second positioning plate is detachably connected with the straightening machine and the second positioning plate is detachably connected with the second telescopic rod.
The guiding wheel frame is arranged on the liquid storage tank and is detachably connected with the liquid storage tank.
The straightening machine comprises a rack, an upper straightening wheel and a lower straightening wheel which are vertically arranged on the rack, the production equipment further comprises a high-pressure air pump and at least four spray heads connected with air outlets of the high-pressure air pump, all the spray heads are fixed on the rack, and the air outlets of the at least four spray heads face the top, the bottom and two sides of a steel bar passing through the straightening machine respectively.
The high-pressure air pump is positioned outside the liquid storage tank.
There are the magnet board that two symmetries set up between second leading wheel and the leading-out wheel, the recess concatenation of seting up on two magnet boards forms the reinforcing bar and passes the chamber, and the diameter that the reinforcing bar passed the chamber is greater than the diameter of reinforcing bar, and two magnet boards all form detachable the connection with the liquid reserve tank.
The production process of the cold-rolled reinforcing steel bar with the rib comprises the following steps:
A. discharging: the reinforcing steel bars on the pay-off rack sequentially pass through the first guide wheel, the straightening machine, the second guide wheel and the guide wheel and then enter a subsequent processing mechanism;
B. and (3) dephosphorization: the treatment liquid in the liquid storage tank is used for carrying out dephosphorization treatment on the steel bars below the liquid level;
C. and (3) subsequent treatment: and the steel bars after dephosphorization treatment enter a subsequent treatment mechanism for subsequent treatment.
The working principle and the beneficial effects of the invention are as follows: reinforcing bar on the pay off rack just enters into the liquid level below in the liquid storage tank behind first leading wheel, also contacts with the treatment fluid in the liquid storage tank at the in-process through the straightener aligning, and the aligning is accomplished the back, just leaves the treatment fluid through the second leading wheel, also can carry out dephosphorization in the in-process of aligning, and the reinforcing bar need not stop in the treatment fluid in the production process can satisfy the dephosphorization demand, can realize continuous production to improve production efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view showing the installation position of the head according to the present invention.
FIG. 3 is a schematic view showing a connecting structure of a first positioning plate, a leveler, and a second positioning plate in the present invention.
Fig. 4 is an enlarged view of a in fig. 1.
FIG. 5 is a top view of the connecting structure of the third telescopic rod and the liquid storage tank of the present invention.
In the figure: 1. the device comprises a pay-off rack, 1-1 parts of a support shaft, 1-2 parts of an inserting block, 2 parts of a straightening machine, 2-1 parts of a rack, 2-2 parts of an upper straightening wheel, 2-3 parts of a lower straightening wheel, 3 parts of a liquid storage tank, 4 parts of a first guide wheel, 5 parts of a second guide wheel, 6 parts of a guide wheel, 7 parts of a reinforcing steel bar, 8 parts of a first telescopic mechanism, 9 parts of a first telescopic rod, 10 parts of a first positioning plate, 11 parts of a second telescopic rod, 12 parts of a second positioning plate, 13 parts of a spray head, 14 parts of a magnet plate, 15 parts of a groove, 16 parts of a third telescopic rod, 17 parts of a jacking bolt, 18 parts of a slot, 19 parts of a vertical plate, 20 parts of a horizontal plate.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
In a specific embodiment, as shown in fig. 1, the production equipment for the ribbed cold-rolled steel bars comprises a pay-off rack 1, a dephosphorization mechanism, a straightening machine 2 and a subsequent treatment mechanism, wherein the dephosphorization mechanism comprises a liquid storage tank 3, and further comprises a first guide wheel 4, a second guide wheel 5 and a guide wheel 6 which are sequentially arranged from an inlet end to an outlet end of the liquid storage tank 3, the straightening machine 2 is hoisted above the liquid storage tank 3 and is positioned between the first guide wheel 4 and the second guide wheel 5, the steel bars 7 on the pay-off rack 1 sequentially pass through the first guide wheel 4, the straightening machine 2, the second guide wheel 5 and the guide wheel 6 and then enter the subsequent treatment mechanism, the steel bars 7 between the first guide wheel 4 and the second guide wheel 5 are positioned below the liquid level in the liquid storage tank 3, and the guide wheel 6 is positioned above the liquid level in the liquid storage tank 3.
As a further improvement of the invention, the straightener 2 is hung above the liquid storage tank 3 by a first telescopic mechanism 8, the reinforcing steel bars 7 on the straightener 2 have the freedom of movement to descend below the liquid level in the liquid storage tank 3 or ascend above the liquid level by the telescopic action of the first telescopic mechanism 8, and the driving mechanism of the straightener 2 is positioned above the liquid level. As shown in fig. 1, when the straightening machine is used, the first telescopic mechanism 8 extends to enable the straightening machine 2 to descend for straightening operation, and when the straightening machine is not used, the first telescopic mechanism 8 contracts to enable the straightening machine 2 to be separated from the treatment liquid in the liquid storage tank 3, so that the service life of the straightening machine 2 can be prolonged, and the straightening machine is simple in structure, convenient and fast to operate, time-saving and labor-saving.
As a further improvement of the invention, a dovetail groove is formed in the upper end face of a liquid storage tank 3, a pay-off rack 1 comprises a support shaft 1-1 used for bearing reinforcing steel bars and insertion blocks 1-2 arranged at two ends of the support shaft 1-1, the support shaft 1-1 and the insertion blocks 1-2 form a rotating fit, the lower end of the insertion blocks 1-2 is of a dovetail bar structure, the support shaft 1-1 is detachably connected with the liquid storage tank 3 through the insertion fit of the insertion blocks 1-2 and the dovetail groove, a first guide wheel 4 is located between the support shaft 1-1 and a straightener 2, and the pay-off rack 1 is located above the liquid level. As shown in figure 1, the inserting block 1-2 of the dovetail strip structure is inserted into the dovetail groove in the liquid storage tank 3, so that the connection is firm and reliable, the assembly and disassembly are convenient and rapid, time and labor are saved, and the pay-off rack 1 can be effectively prevented from shaking in the pay-off process.
As a further improvement of the invention, the production equipment also comprises a first positioning plate 10 which is hoisted above the liquid storage tank 3 by a first telescopic rod 9, the first guide wheel 4 is arranged on the first positioning plate 10, and the first positioning plate 10 is detachably connected with the straightening machine 2 and the first positioning plate 10 is detachably connected with the first telescopic rod 9. As shown in fig. 1, when the first telescopic mechanism 8 is contracted to drive the straightener 2 to ascend and separate from the treatment liquid in the liquid storage tank 3, the first positioning plate 10 is driven to ascend synchronously, so that the first guide wheel 4 ascends and separates from the treatment liquid in the liquid storage tank 3, and the first telescopic rod 9 is in a contracted state; when the first telescopic mechanism 8 is extended to enable the straightening machine 2 to descend, the first positioning plate 10 is driven to descend synchronously, so that the first guide wheel 4 descends, and the first telescopic rod 9 is in an extended state at the moment. The first positioning plate 10 and the straightening machine 2 and the first positioning plate 10 and the first telescopic rod 9 are detachably connected, so that the disassembly and maintenance are convenient.
As shown in fig. 1, the two first guide wheels 4 located above and the two first guide wheels 4 located below are staggered left and right, so that a better guiding effect can be achieved. As shown in fig. 3, a dovetail groove is arranged on the left side surface of the straightener 2, the upper end surface of the dovetail groove is flush with the upper end surface of the straightener 2, the lower end surface of the dovetail groove is positioned above the lower end surface of the straightener 2, a dovetail strip is arranged on the right side surface of the first positioning plate 10, and the first positioning plate 10 is detachably connected with the straightener 2 by means of the insertion of the dovetail strip and the dovetail groove.
As a further improvement of the invention, the production equipment also comprises a second positioning plate 12 which is hung above the liquid storage tank 3 by a second telescopic rod 11, the second guide wheel 5 is arranged on the second positioning plate 12, and the second positioning plate 12 is detachably connected with the straightening machine 2 and the second positioning plate 12 is detachably connected with the second telescopic rod 11. As shown in fig. 1, when the first telescopic mechanism 8 is contracted to drive the straightener 2 to ascend and separate from the treatment liquid in the liquid storage tank 3, the second positioning plate 12 is driven to ascend synchronously, so that the second guide wheel 5 ascends and separates from the treatment liquid in the liquid storage tank 3, and the second telescopic rod 11 is in a contracted state; when the first telescopic mechanism 8 extends to enable the straightening machine 2 to descend, the second positioning plate 12 is driven to descend synchronously, so that the second guide wheel 5 descends, and the second telescopic rod 11 is in an extending state at the moment. The second positioning plate 12 and the straightening machine 2 and the second positioning plate 12 and the second telescopic rod 11 are detachably connected, so that the disassembly and maintenance are convenient.
As shown in fig. 1, the two second guide wheels 5 located above and the two second guide wheels 5 located below are staggered left and right, so that a better guiding effect can be achieved. As shown in fig. 3, a dovetail groove is arranged on the right side surface of the straightener 2, the upper end surface of the dovetail groove is flush with the upper end surface of the straightener 2, the lower end surface of the dovetail groove is positioned above the lower end surface of the straightener 2, a dovetail strip is arranged on the left side surface of the second positioning plate 12, and the second positioning plate 12 is detachably connected with the straightener 2 by means of the insertion of the dovetail strip and the dovetail groove.
As a further improvement of the present invention, the guide wheel 6 is mounted on the reservoir 3 and detachably connected to the reservoir 3. As shown in figure 1, the two leading-out wheels 6 are arranged up and down, and the reinforcing steel bars 7 penetrate between the two leading-out wheels 6, so that the reinforcing steel bars 7 are prevented from being deviated. The production setting still includes horizontal plate 20 and fixes riser 19 at horizontal plate 20 both ends, and two derivation wheels 6 all are located between two riser 19 and are located horizontal plate 20 top, and derivation wheel 6 forms normal running fit with riser 19, and the inner wall of two riser 19 all with the outer wall in close contact with of liquid storage tank 3, has seted up the holding tank at liquid storage tank 3 up end, horizontal plate 20 and holding tank joint, easy dismounting is swift, labour saving and time saving. As shown in figure 1, two leading-out wheels 6 are positioned between the front vertical plate 19 and the rear vertical plate 19, and the lower end surface of the vertical plate 19 is positioned below the lower end surface of the horizontal plate 20, so that the vertical plate 19 and the liquid storage tank 3 have a large enough contact area, and are more stable and reliable.
The straightening machine 2 comprises a rack 2-1 and further comprises an upper straightening wheel 2-2 and a lower straightening wheel 2-3 which are vertically arranged on the rack 2-1, as a further improvement of the invention, the production equipment further comprises a high-pressure air pump and at least four spray heads 13 connected with air outlets of the high-pressure air pump, all the spray heads 13 are fixed on the rack 2-1, and the air outlets of the at least four spray heads 13 face the top, the bottom and two sides of the steel bar 7 passing through the straightening machine 2 respectively, as shown in fig. 2, the steel bar 7 is sprayed by the spray heads 13, so that rust on the steel bar 7 can be loosened and fall off, and the dephosphorization effect is further improved. The high-pressure air pump is positioned outside the liquid storage tank 3, so that the high-pressure air pump can be prevented from contacting with the treatment liquid in the liquid storage tank 3, and the service life of the high-pressure air pump is prolonged.
As shown in fig. 2, four lower straightening wheels 2-3 are arranged in sequence from left to right, three upper straightening wheels 2-2 are all located between two adjacent lower straightening wheels 2-3, a reinforcing steel bar 7 passes through the straightening machine 2 from left to right, lower spray heads with air outlets facing right above are arranged between two adjacent lower straightening wheels 2-3 and on the left side of the leftmost lower straightening wheel 2-3, upper spray heads with air outlets facing right below are arranged between two adjacent upper straightening wheels 2-2 and on the left side of the leftmost upper straightening wheel 2-2, a front spray head with air outlets facing right behind is arranged in front of the upper spray heads, rear spray heads with air outlets facing right ahead are arranged behind the upper spray heads, and all spray heads 13 are staggered in the left-right direction.
As a further improvement of the invention, two symmetrically arranged magnet plates 14 are arranged between the second guide wheel 5 and the guide wheel 6, grooves 15 arranged on the two magnet plates 14 are spliced to form a reinforcing steel bar passing cavity, the diameter of the reinforcing steel bar passing cavity is larger than that of the reinforcing steel bar 7, and the two magnet plates 14 are detachably connected with the liquid storage tank 3. As shown in fig. 1 and 4, the magnet plate 14 is used to adsorb the debris on the steel bars 7, so that the debris is separated from the steel bars 7, and the quality of the product is better guaranteed. As shown in fig. 5, the production equipment further comprises a third telescopic rod 16, the connecting end of the third telescopic rod 16 is fixedly connected with the magnet plate 14, the positioning end of the third telescopic rod is in a dovetail strip shape, a slot 18 matched with the positioning end of the third telescopic rod 16 in shape is formed in the inner wall of the liquid storage tank 1, as shown in fig. 4, the positioning end of the third telescopic rod 16 is inserted into the slot 18, and the lower end face of the slot 18 is located above the liquid level in the liquid storage tank 1. The magnet plate 14 is located above the liquid level in the reservoir 1.
The third telescopic link 16 includes a fixed cylinder and a movable rod, one end of the fixed cylinder is in a dovetail strip shape, a screw hole is formed in the side wall of the other end of the fixed cylinder, a tightening bolt 17 is connected to the screw hole through threads, and one end of the movable rod is fixedly connected with the magnet plate 14, the other end of the movable rod is connected with the fixed cylinder in an inserting mode and is locked with the fixed cylinder through the tightening bolt 17. When the magnetic steel plate is used, the fixed cylinder of the third telescopic rod 16 is firstly inserted into the slot 18 on the inner wall of the liquid storage tank 3, then the movable rod is pulled outwards to splice the two magnetic plates 14 together, the reinforcing steel bars 7 are surrounded, and then the jacking bolt 17 is screwed down to keep the magnetic plates 14 at the current position; when the device is not used, the puller bolt 17 is firstly loosened, then the movable rod is moved, the magnet plate 14 is far away from the steel bar 7 for a certain distance, and then the third telescopic rod 16 is upwards pulled up to be separated from the liquid storage tank 3, so that the third telescopic rod 16 is prevented from being upwards pulled up to cause the contact friction between the adsorbed fragments on the magnet plate 14 and the steel bar 7 and the falling into the liquid storage tank 3.
The production process of the ribbed cold-rolled steel bar comprises the following steps:
A. discharging: the reinforcing steel bars 7 on the pay-off rack 1 sequentially pass through the first guide wheel 4, the straightening machine 2, the second guide wheel 5 and the guide wheel 6 and then enter a subsequent processing mechanism;
this step can be performed in any one of the following two ways:
firstly, one end of a steel bar 7 on a pay-off rack 1 sequentially passes through a first guide wheel 4, a straightening machine 2, a second guide wheel 5 and a guide wheel 6 from left to right and then enters a subsequent processing mechanism, then a first telescopic mechanism 8 extends to enable the straightening machine 2 to descend and simultaneously drive the first guide wheel 4 on a first positioning plate 10 and the second guide wheel 5 on a second positioning plate 12 to descend, a first telescopic rod 9 and a second telescopic rod 11 extend to enable the steel bar 7 between the first guide wheel 4 at the leftmost end and the second guide wheel 5 at the rightmost end to enter below the liquid level in a liquid storage pool 3, after the steel bar 7 is soaked for a set time, the straightening machine 2 starts to work, and the pay-off rack 1 discharges materials;
secondly, one end of a steel bar 7 on a pay-off rack 1 sequentially passes through a first guide wheel 4, a straightening machine 2 and a second guide wheel 5 from left to right, and a part of the steel bar 7 extends to the outer side of the second guide wheel 5 at the rightmost end, then a first telescopic mechanism 8 extends to enable the straightening machine 2 to descend and simultaneously drive the first guide wheel 4 on a first positioning plate 10 and the second guide wheel 5 on a second positioning plate 12 to descend, a first telescopic rod 9 and a second telescopic rod 11 extend to enable the steel bar 7 at the right side of the first guide wheel 4 at the leftmost end to enter the liquid level below the liquid level in a liquid storage pool 3, after the steel bar 7 is soaked for a set time, the straightening machine 2 starts to work, the pay-off rack 1 carries out material, and simultaneously the right end of the steel bar 7 is manually taken out from the liquid level below the liquid storage pool 3 and enters a subsequent processing mechanism after passing through a guide wheel 6;
B. and (3) dephosphorization: the steel bars 7 are always positioned below the liquid level in the liquid storage tank 3 in the process of moving from the first guide wheel 4 to the second guide wheel 5, and the treatment liquid in the liquid storage tank 3 is used for carrying out dephosphorization treatment on the steel bars 7 positioned below the liquid level;
C. and (3) subsequent treatment: the steel bar 7 after dephosphorization enters a subsequent treatment mechanism for subsequent treatment; the subsequent treatment comprises the steps of reducing the diameter of the steel bar 7 by using a cold rolling mechanism, heating the steel bar by using a high-frequency induction heating machine, naturally cooling, cutting the steel bar 7 at a certain distance by using a shearing mechanism, and finally packaging and warehousing.
When the magnet plates 14 are present, the two magnet plates 14 are mounted before the operation of the leveler 2 regardless of the above-described discharge method. When the second discharging mode is adopted, the right end of the steel bar 7 firstly penetrates through the grooves 15 formed in the two magnet plates 14 to be spliced to form a steel bar penetrating cavity, and then enters the subsequent processing mechanism after passing through the guide-out wheel 6. When the second material placing mode is adopted, the steel bars 7 can be subjected to dephosphorization treatment, so that the product quality can be better ensured.
In the invention, all parts needing to be contacted with the treatment liquid in the liquid storage tank 3 are provided with anticorrosive coatings on the surfaces, the reinforcing steel bars 7 on the pay-off rack 1 enter the liquid level below the liquid level in the liquid storage tank 3 after passing through the first guide wheel 4, are also contacted with the treatment liquid in the liquid storage tank 3 in the straightening process of the straightening machine 2, leave the treatment liquid after the straightening is finished and pass through the second guide wheel 5, and can also be subjected to dephosphorization treatment in the straightening process, the reinforcing steel bars 7 can meet the dephosphorization requirement without staying in the treatment liquid in the production process, the continuous production can be realized, and the production efficiency is improved.
Claims (10)
1. Production equipment for ribbed cold-rolled steel bars comprises a pay-off rack (1), a dephosphorization mechanism, a straightening machine (2) and a subsequent treatment mechanism, and is characterized in that: dephosphorization mechanism includes liquid storage tank (3), still include first leading wheel (4), second leading wheel (5) and leading-out wheel (6) that the entrance point by liquid storage tank (3) set gradually to the exit end, straightener (2) hoist and mount are in liquid storage tank (3) top and lie in between first leading wheel (4) and second leading wheel (5), reinforcing bar (7) on pay off rack (1) pass through first leading wheel (4) in proper order, straightener (2), second leading wheel (5), enter into in follow-up processing mechanism behind leading-out wheel (6), reinforcing bar (7) that lie in between first leading wheel (4) and second leading wheel (5) are located the liquid level below in liquid storage tank (3), leading-out wheel (6) are located the liquid level top in liquid storage tank (3).
2. The apparatus for producing a cold-rolled reinforcing bar with ribs as claimed in claim 1, wherein: the straightening machine (2) is hung above the liquid storage tank (3) by means of a first telescopic mechanism (8), a steel bar (7) on the straightening machine (2) has a moving degree of freedom which is descended below the liquid level in the liquid storage tank (3) or ascended above the liquid level by means of the telescopic action of the first telescopic mechanism (8), and a driving mechanism of the straightening machine (2) is positioned above the liquid level.
3. The apparatus for producing a cold-rolled reinforcing bar with ribs as claimed in claim 1, wherein: the upper end face of the liquid storage tank (3) is provided with a dovetail groove, the pay-off rack (1) comprises a supporting shaft (1-1) used for bearing reinforcing steel bars and inserting blocks (1-2) arranged at two ends of the supporting shaft (1-1), the supporting shaft (1-1) and the inserting blocks (1-2) form rotating fit, the lower end of the inserting blocks (1-2) is of a dovetail strip structure, the supporting shaft (1-1) and the liquid storage tank (3) form detachable connection through the inserting fit of the inserting blocks (1-2) and the dovetail groove, the first guide wheel (4) is located between the supporting shaft (1-1) and the straightening machine (2), and the pay-off rack (1) is located above the liquid level.
4. The apparatus for producing cold-rolled reinforcing bar with ribs as claimed in claim 2, wherein: the production equipment further comprises a first positioning plate (10) which is hoisted above the liquid storage tank (3) by means of a first telescopic rod (9), the first guide wheel (4) is arranged on the first positioning plate (10), and the first positioning plate (10) is detachably connected with the straightening machine (2) and the first positioning plate (10) is detachably connected with the first telescopic rod (9).
5. The apparatus for producing cold-rolled reinforcing bar with ribs as claimed in claim 2, wherein: the production equipment further comprises a second positioning plate (12) which is hoisted above the liquid storage tank (3) by means of a second telescopic rod (11), a second guide wheel (5) is arranged on the second positioning plate (12), and the second positioning plate (12) is detachably connected with the straightening machine (2) and the second positioning plate (12) is detachably connected with the second telescopic rod (11).
6. The apparatus for producing a cold-rolled reinforcing bar with ribs as claimed in claim 1, wherein: the guiding-out wheel (6) is erected on the liquid storage tank (3) and is detachably connected with the liquid storage tank (3).
7. The apparatus for producing a cold-rolled reinforcing bar with ribs as claimed in claim 1, wherein: the straightening machine (2) comprises a rack (2-1), an upper straightening wheel (2-2) and a lower straightening wheel (2-3) which are vertically arranged on the rack (2-1), the production equipment further comprises a high-pressure air pump and at least four spray heads (13) connected with air outlets of the high-pressure air pump, all the spray heads (13) are fixed on the rack (2-1), and the air outlets of the at least four spray heads (13) face the top, the bottom and two sides of the steel bar (7) passing through the straightening machine (2) respectively.
8. The apparatus for producing a cold-rolled reinforcing bar with ribs as claimed in claim 7, wherein: the high-pressure air pump is positioned outside the liquid storage tank (3).
9. The apparatus for producing a cold-rolled reinforcing bar with ribs as claimed in claim 1, wherein: there are magnet board (14) that two symmetries set up between second leading wheel (5) and leading-out wheel (6), recess (15) concatenation that set up on two magnet boards (14) forms the reinforcing bar and passes the chamber, and the diameter that the reinforcing bar passed the chamber is greater than the diameter of reinforcing bar (7), and two magnet boards (14) all form detachable the connection with liquid storage tank (3).
10. A process for producing a cold-rolled steel bar with ribs according to claim 1, wherein: the production process comprises the following steps:
A. discharging: the reinforcing steel bars (7) on the pay-off rack (1) sequentially pass through the first guide wheel (4), the straightening machine (2), the second guide wheel (5) and the guide wheel (6) and then enter a subsequent processing mechanism;
B. and (3) dephosphorization: the treatment liquid in the liquid storage tank (3) carries out dephosphorization treatment on the steel bars (7) below the liquid level;
C. and (3) subsequent treatment: and the steel bar (7) after dephosphorization enters a subsequent treatment mechanism for subsequent treatment.
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| CN113290044B (en) | 2023-03-28 |
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