CN112893509A - Deformed steel bar hot rolling manufacturing process - Google Patents
Deformed steel bar hot rolling manufacturing process Download PDFInfo
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- CN112893509A CN112893509A CN202110044253.9A CN202110044253A CN112893509A CN 112893509 A CN112893509 A CN 112893509A CN 202110044253 A CN202110044253 A CN 202110044253A CN 112893509 A CN112893509 A CN 112893509A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 150
- 239000010959 steel Substances 0.000 title claims abstract description 150
- 238000005098 hot rolling Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 52
- 238000000465 moulding Methods 0.000 claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims description 50
- 238000005096 rolling process Methods 0.000 claims description 46
- 238000007493 shaping process Methods 0.000 claims description 25
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 18
- 238000001354 calcination Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000004049 embossing Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 17
- 230000003014 reinforcing effect Effects 0.000 description 31
- 230000002457 bidirectional effect Effects 0.000 description 21
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/045—Manufacture of wire or bars with particular section or properties
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- Engineering & Computer Science (AREA)
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Abstract
The invention relates to a deformed steel bar hot rolling manufacturing process which comprises a main board, a conveying device, a heating furnace, a profiling device and a molding device, wherein the conveying device is installed at the upper end of the main board, the heating furnace is arranged on the right side of the conveying device, the heating furnace is installed on the main board, the profiling device is arranged on the right side of the heating furnace, the profiling device is installed on the main board, and the molding device is arranged on the right side of the profiling device. The invention can solve the problems that the prior equipment can not perform secondary pressing treatment on the steel bar when the deformed steel bar is pressed and formed, the incomplete forming phenomenon is easy to occur after the steel bar is pressed, the success rate of the deformed steel bar forming is reduced, meanwhile, the formed deformed steel bar can not be corrected, the steel bar is easy to deform excessively when pressed, and the straight state of the steel bar can not be ensured when pressed, the bent phenomenon is easy to occur on the pressed and formed deformed steel bar, so the forming effect of the deformed steel bar is reduced, and the like.
Description
Technical Field
The invention relates to the technical field of steel processing, in particular to a deformed steel bar hot rolling manufacturing process.
Background
The deformed steel bar is a steel bar with ribs on the surface, also called ribbed steel bar, usually has 2 longitudinal ribs and transverse ribs uniformly distributed along the length direction, the external form of the transverse ribs is spiral, herringbone and crescent-shaped, 3 kinds, the ribs on the deformed steel bar surface are usually processed by adopting a hot rolling process, the deformed steel bar is steel which is necessary to be used for more than medium-sized building components, the deformed steel bar has larger bonding capability with concrete due to the action of the ribs, and therefore the deformed steel bar bears the external force, and is widely used for various building structures, particularly large, heavy, light thin-wall and high-rise building structures.
At present, when the existing equipment is used for carrying out press forming on deformed steel bars, the following defects generally exist: 1. the conventional equipment cannot perform secondary pressing treatment on the steel bar, and the incomplete forming phenomenon is easy to occur after the steel bar is pressed, so that the forming effect of the deformed steel bar is reduced, and the forming success rate of the deformed steel bar is reduced; 2. the existing equipment cannot correct the deformed steel bar, the deformed steel bar is easy to deform too much when pressed, the steel bar cannot be kept in a straight state when pressed, and the deformed steel bar is easy to bend when pressed, so that the forming effect of the deformed steel bar is reduced.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the prior equipment can not perform secondary pressing treatment on the steel bar when the deformed steel bar is pressed and formed, the incomplete forming phenomenon is easy to occur after the steel bar is pressed, thereby reducing the forming effect of the deformed steel bar and the forming success rate of the deformed steel bar, meanwhile, the deformed steel bar can not be corrected, the deformed steel bar is easy to generate overlarge deformation during pressing, the steel bar can not be ensured to keep a straight state during pressing, the deformed steel bar is easy to bend, thereby reducing the forming effect of the deformed steel bar, and the like.
(II) technical scheme
In order to achieve the above object, the present invention adopts the following technical scheme, wherein a deformed steel bar hot rolling manufacturing process uses a deformed steel bar hot rolling manufacturing device, the deformed steel bar hot rolling manufacturing device comprises a main plate, a conveying device, a heating furnace, a profiling device and a molding device, and the deformed steel bar hot rolling manufacturing device is used for performing press forming on the deformed steel bar, and the specific method comprises the following steps:
s1, steel bar processing: selecting a steel bar to be processed in a manual mode, and removing rust on the surface of the steel bar;
s2, conveying steel bars: placing a plurality of steel bars on a conveying device in a manual or mechanical auxiliary mode, and intermittently conveying the steel bars by the conveying device;
s3, steel bar calcination: conveying the reinforcing steel bars into a heating furnace by using a conveying device, and calcining the reinforcing steel bars by using the heating furnace;
s4, embossing: manually starting a profiling device, and profiling the steel bars calcined in the step S3 by the profiling device to form deformed steel bars;
s5, cooling and storing: and taking the press-formed deformed steel bar out of the equipment in a mechanical auxiliary mode, cooling the pressed deformed steel bar, and storing the cooled deformed steel bar in a warehouse.
Conveyor is installed to the mainboard upper end, and the conveyor right side is provided with the heating furnace, and the heating furnace is installed on the mainboard, and the heating furnace right side is provided with the die mould device, and the die mould device is installed on the mainboard, and the die mould device right side is provided with moulds the type device, moulds the type device and installs on the mainboard.
The profiling device comprises a supporting plate, folding plates, jacking frames, a bidirectional air cylinder, a profiling mechanism, pushing plates and a rolling mechanism, wherein the supporting plate is symmetrically arranged at the front and back of the upper end of a main plate, the folding plates are symmetrically arranged between the supporting plates from top to bottom, the folding plates are connected with the supporting plates in a sliding fit mode, the jacking frames are arranged at the positions, close to the front sides, of the outer ends of the folding plates, the bidirectional air cylinder is fixedly connected between the jacking frames, the bidirectional air cylinder is arranged on the front supporting plate through a push rod seat, the profiling mechanism is uniformly arranged at the inner ends of the folding plates, the pushing plates are uniformly arranged at the inner ends of the folding plates at the upper sides, the pushing plates are positioned at the outer sides of the profiling mechanism, the rolling mechanism is arranged at the upper ends of the folding plates, when the profiling device works, firstly, a plurality of reinforcing steel bars are, closing the conveying device, calcining the steel bars by the heating furnace, starting the conveying device, conveying the calcined steel bars between the profiling mechanisms by the conveying device, conveying the uncalcined steel bars into the heating furnace, closing the conveying device, and finally, manually starting the bidirectional cylinder, pressing the steel bars by the bidirectional cylinder through the folded plate dynamic pressure mechanism.
The molding device comprises a bearing plate, a molding block, a molding wheel, a sliding block, a limiting rod, a supporting spring and an auxiliary plate, wherein the bearing plate is arranged at the upper end of the main plate and is of a U-shaped structure, discharge holes are uniformly formed in the bearing plate close to the upper side, the molding block is symmetrically arranged at the front and back of the left end of the discharge hole, the molding block is arranged at the left end of the bearing plate, an arc-shaped groove is formed in the inner end of the molding block, the molding wheels are symmetrically arranged on the inner end surface of the arc-shaped groove from top to bottom, the molding wheels are arranged on the molding block through a pulley frame, the sliding block is connected to the left end of the molding block in a sliding fit manner, the limiting rod is arranged at the left end of the sliding block, the cross section of the limiting rod is of a right triangle structure, the supporting spring is arranged at the outer end of the limiting rod, the auxiliary plate is arranged at the outer, firstly, a bidirectional cylinder is manually started, the bidirectional cylinder carries out pressing treatment on the reinforcing steel bars through a folding plate pressing mechanism, meanwhile, the upper side folding plate drives the pushing plate to extrude the limiting rod, the limiting rod is stressed to move to a position close to the profiling mechanism through the sliding block, when the limiting rod presses the reinforcing steel bar by the profiling mechanism, the limiting rod separates and blocks the side edge of the reinforcing steel bar, the phenomenon of overlarge deformation of the reinforcing steel bar is avoided, the success rate of reinforcing steel bar pressing is ensured, and then, after the reinforcing steel bar is pressed, the bidirectional air cylinder is provided with the dynamic pressure type mechanism and the pushing plate through the folding plate, the limiting rod is reset through the supporting spring, finally, the conveying device is started manually, the deformed steel bar after being pressed passes through the molding wheel to be moved out from the discharge hole, the molding wheel performs rolling treatment on the deformed steel bar, the deformed steel bar after being pressed is ensured to be in a straight state, and therefore the forming effect of the deformed steel bar is improved.
Preferably, conveyor include conveying roller and conveying motor, mainboard upper end install the transfer roller through the roller frame, transfer roller front end fixedly connected with conveying motor, conveying motor installs on the mainboard, concrete during operation places a plurality of reinforcing bars on the conveying roller through artificial mode, later, artifical intermittent type starts conveying motor, conveying motor passes through the conveying roller and realizes carrying out the function of intermittent type transmission to the reinforcing bar.
Preferably, the profiling mechanism comprises a profiling frame, a lower pressing rod, a shaping frame, an auxiliary spring and an auxiliary roller, the profiling frame is arranged on the inner end face of the folding plate, the section of the profiling frame is of a semicircular structure, the side wall of the profiling frame is uniformly connected with the lower pressing rod in a sliding fit mode, the lower pressing rod is connected with the folding plate in a sliding mode, the shaping frame is arranged at the inner end of the lower pressing rod, a baffle is arranged on the outer surface of the lower pressing rod close to the outer end, the auxiliary spring is connected between the baffle and the folding plate, the outer end of the lower pressing rod is connected with the auxiliary roller through a bearing, when the profiling mechanism works, firstly, a bidirectional cylinder is manually started, the bidirectional cylinder presses the steel bar through the folding profiling frame, the profiling frame performs profiling processing on the steel bar through the shaping frame, then, the rolling mechanism is manually started, the rolling mechanism drives the lower pressing rod to, the lower pressing rod drives the shaping frame to carry out profiling processing on the reinforcing steel bars again, the phenomenon that the reinforcing steel bars are not completely formed is avoided, the effect of pressing and forming the reinforcing steel bars is guaranteed, finally, after the reinforcing steel bars are pressed, the bidirectional air cylinder resets through the folding plate to form the profiling frame, and the rolling mechanism resets.
Preferably, the rolling mechanism comprises a rolling cylinder, a rolling frame and a lower pressing roller, the outer end of the closure plate is provided with the rolling cylinder through a mounting seat, the right end of the rolling cylinder is provided with the rolling frame, the rolling frame is of an L-shaped structure, the inner end of the rolling frame is provided with the lower pressing roller through a connecting frame, when the pressing frame presses the steel bar, the rolling cylinder is manually started, the rolling cylinder drives the lower pressing roller to move through the rolling frame, the lower pressing roller is matched with the auxiliary roller to drive the lower pressing rod to feed, the lower pressing rod drives the shaping frame to further shape the steel bar, incomplete shaping of the steel bar is avoided, the steel bar pressing forming effect is ensured, and then after the steel bar is pressed, the bidirectional cylinder resets through the closure plate belt dynamic pressure type frame, and the rolling cylinder drives the lower pressing roller to reset through the rolling frame.
Preferably, the lower end of the pushing plate is provided with an isosceles triangle protrusion, the isosceles triangle protrusion is matched with the limiting rod in a sliding mode, during specific work, when the profiling mechanism presses the steel bars, the bidirectional cylinder is started manually, the bidirectional cylinder drives the pushing plate to press down through the upper side folding plate, the triangle protrusion at the lower end of the pushing plate is matched with the limiting rod in a sliding mode, therefore, the limiting rod is driven to move, the function of separating and blocking the side edges of the steel bars is achieved, the phenomenon that the steel bars are too large in deformation is avoided, and the success rate of pressing the steel bars is guaranteed.
Preferably, the forming frame cross-section be the arc structure, the terminal surface evenly is provided with the shaping groove in the forming frame, during specific work, when profiling mechanism suppressed the reinforcing bar, the shaping groove of forming frame inner realized the function of reinforcing bar knurling, later, the roll extrusion mechanism drives the forming frame through depression bar down and carries out profiling once more to the reinforcing bar, ensures that the shaping groove hugs closely with the reinforcing bar, avoids appearing the incomplete phenomenon of screw-thread steel shaping.
Preferably, the conveying roller on evenly be provided with the cross-section and be semicircular ring channel, evenly be provided with the friction tooth on the ring channel, concrete during operation places a plurality of reinforcing bars in the ring channel in proper order through artificial mode, the friction tooth in the ring channel has increased the friction of conveying roller with the reinforcing bar, avoids the conveying roller phenomenon of skidding to appear when transporting the reinforcing bar, has improved the effect of transmission.
(III) advantageous effects
1. According to the deformed steel bar hot rolling manufacturing process, the adopted profiling device can realize secondary pressing treatment on the steel bars, and the phenomenon of incomplete forming after the steel bars are pressed is avoided, so that the deformed steel bar forming effect is ensured, and the success rate of deformed steel bar forming is improved;
2. according to the deformed steel bar hot rolling manufacturing process, the adopted profiling device is matched with the molding device, the deformed steel bar can be corrected, the phenomenon that the deformed steel bar is too large in pressing is avoided, the deformed steel bar can be kept straight, and the deformed steel bar forming effect is improved;
3. the deformed steel bar hot rolling manufacturing process provided by the invention adopts a multi-station working mode, so that the deformed steel bar forming efficiency is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic perspective view of the structure of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a side view (from right to left) of the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4 in accordance with the present invention;
FIG. 6 is an enlarged view of the invention taken in the direction of N in FIG. 5;
fig. 7 is an enlarged view of the invention in the direction X of fig. 5.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 7, in order to achieve the above object, the present invention adopts the following technical solutions, a deformed steel bar hot rolling manufacturing process using a deformed steel bar hot rolling manufacturing apparatus, the deformed steel bar hot rolling manufacturing apparatus includes a main plate 1, a conveying device 2, a heating furnace 3, a profiling device 4 and a profiling device 5, and the deformed steel bar hot rolling manufacturing apparatus is used for press forming the deformed steel bar by the following specific method:
s1, steel bar processing: selecting a steel bar to be processed in a manual mode, and removing rust on the surface of the steel bar;
s2, conveying steel bars: placing a plurality of steel bars on the conveying device 2 in a manual or mechanical auxiliary mode, and intermittently conveying the steel bars by the conveying device 2;
s3, steel bar calcination: the conveying device 2 conveys the reinforcing steel bars into the heating furnace 3, and the heating furnace 3 calcines the reinforcing steel bars;
s4, embossing: manually starting the profiling device 4, and profiling the steel bars calcined in the step S3 by the profiling device 4 to form deformed steel bars;
s5, cooling and storing: and taking the press-formed deformed steel bar out of the equipment in a mechanical auxiliary mode, cooling the pressed deformed steel bar, and storing the cooled deformed steel bar in a warehouse.
Conveying roller 21 on evenly be provided with the cross-section and be semicircular ring channel, evenly be provided with the friction tooth on the ring channel, concrete during operation places a plurality of reinforcing bars in the ring channel in proper order through artificial mode, the friction tooth in the ring channel has increased the friction of conveying roller 21 with the reinforcing bar, avoids conveying roller 21 the phenomenon that appears skidding when transporting the reinforcing bar, has improved the effect of transmission.
The profiling device 4 comprises a supporting plate 41, a folding plate 42, a jacking frame 43, a two-way cylinder 44, a profiling mechanism 45, a pushing plate 46 and a rolling mechanism 47, wherein the supporting plate 41 is symmetrically arranged at the front and back of the upper end of the main plate 1, the folding plates 42 are symmetrically arranged between the supporting plates 41 up and down, the folding plates 42 are connected with the supporting plate 41 in a sliding fit manner, the jacking frame 43 is arranged at the position close to the front side of the outer end of the folding plate 42, the two-way cylinder 44 is fixedly connected between the jacking frames 43, the two-way cylinder 44 is arranged on the supporting plate 41 at the front side through a push rod seat, the profiling mechanism 45 is uniformly arranged at the inner end of the folding plate 42, the pushing plate 46 is uniformly arranged at the inner end of the folding plate 42 at the upper side, the pushing plate 46 is positioned at the outer side of the profiling mechanism 45, the rolling mechanism 47 is arranged at the upper end of, manually start conveyor 2, conveyor 2 transmits the reinforcing bar to in heating furnace 3, close conveyor 2, heating furnace 3 calcines the reinforcing bar, afterwards, start conveyor 2, conveyor 2 conveys the reinforcing bar after calcining to between profiling mechanism 45, convey the reinforcing bar that does not calcine to in heating furnace 3 simultaneously, close conveyor 2, finally, manually start two-way cylinder 44, two-way cylinder 44 drives pressure type mechanism 45 through folding plate 42 and carries out the suppression processing to the reinforcing bar, when profiling mechanism 45 suppresses the reinforcing bar, manually start roller mechanism 47, roller mechanism 47 further suppresses the reinforcing bar through profiling mechanism 45, avoid the reinforcing bar to appear suppressing incomplete phenomenon, the effect of reinforcing bar press forming has been guaranteed.
The profiling mechanism 45 comprises a profiling frame 451, a lower pressing rod 452, a shaping frame 453, an auxiliary spring 454 and an auxiliary roller 455, the profiling frame 451 is installed on the inner end surface of a folding plate 42, the cross section of the profiling frame 451 is of a semicircular structure, the side wall of the profiling frame 451 is uniformly connected with the lower pressing rod 452 in a sliding fit mode, the lower pressing rod 452 is in sliding connection with the folding plate 42, the shaping frame 453 is installed at the inner end of the lower pressing rod 452, a baffle is installed on the outer surface of the lower pressing rod 452 close to the outer end, the auxiliary spring 454 is connected between the baffle and the folding plate 42, the outer end of the lower pressing rod 452 is connected with the auxiliary roller 455 through a bearing, when the concrete work is carried out, firstly, the bidirectional cylinder 44 is manually started, the bidirectional cylinder 44 drives the profiling frame 451 to press the reinforcing steel bar through the folding plate 42, the profiling mechanism 451 performs profiling processing on the, the rolling mechanism 47 drives the lower pressing rod 452 to move through the auxiliary roller 455, the lower pressing rod 452 drives the shaping frame 453 to perform secondary profiling treatment on the steel bars, the phenomenon that the steel bars are incompletely formed is avoided, the effect of steel bar press forming is ensured, finally, after the steel bars are pressed, the bidirectional air cylinder 44 drives the shaping frame 451 to reset through the folding plate 42, and the rolling mechanism 47 resets.
The cross-section of stock frame 453 be the arc structure, the terminal surface evenly is provided with the shaping groove in stock frame 453, during specific work, when die mould mechanism 45 suppressed the reinforcing bar, the shaping groove that stock frame 453 is inner realizes the function of reinforcing bar knurling, later, roll extrusion mechanism 47 drives stock frame 453 through depression bar 452 and carries out die mould processing once more to the reinforcing bar, ensures that the shaping groove is hugged closely with the reinforcing bar, avoids appearing the incomplete phenomenon of screw-thread steel shaping.
Push away the board 46 lower extreme and be provided with isosceles triangle arch, isosceles triangle arch and gag lever post 55 sliding fit, concrete during operation, when die mould mechanism 45 suppresses the reinforcing bar, the manual work starts two-way cylinder 44, two-way cylinder 44 folds board 42 through the upside and drives and push away board 46 and push down, it is protruding with gag lever post 55 sliding fit to push away the triangle-shaped of 46 lower extreme, thereby realize driving gag lever post 55 and remove, the realization separates the function that keeps off to the reinforcing bar side, avoid the reinforcing bar too big phenomenon of deformation to appear, the success rate of reinforcing bar suppression has been ensured.
The rolling mechanism 47 includes a rolling cylinder 471, a rolling frame 472 and a lower roller 473, the outer end of the folding plate 42 is provided with a rolling cylinder 471 through a mounting seat, the right end of the rolling cylinder 471 is provided with a rolling frame 472, the rolling frame 472 is in an L-shaped structure, the inner end of the rolling frame 472 is provided with a lower pressing roller 473 through a connecting frame, when in specific work, when the profiling frame 451 presses the steel bar, the rolling cylinder 471 is manually started, the rolling cylinder 471 drives the lower pressing roller 473 to move through the rolling frame 472, the lower pressing roller 473 is matched with the auxiliary roller 455 to drive the lower pressing rod 452 to feed, the lower pressing rod 452 drives the shaping frame 453 to further profile the steel bar, the phenomenon of incomplete shaping of the steel bar is avoided, the effect of steel bar compression shaping is ensured, and then, after the pressing of the steel bars is completed, the bidirectional cylinder 44 drives the pressing frame 451 to reset through the folding plate 42, and the rolling cylinder 471 drives the lower pressing roller 473 to reset through the pressing frame 472.
The molding device 5 comprises a bearing plate 51, a molding block 52, a molding wheel 53, a sliding block 54, a limiting rod 55, a supporting spring 56 and an auxiliary plate 57, the bearing plate 51 is installed at the upper end of the main board 1, the bearing plate 51 is of a U-shaped structure, discharge holes are uniformly formed in the bearing plate 51 close to the upper side, the molding blocks 52 are symmetrically arranged at the front and back of the left end of the discharge holes, the molding block 52 is installed at the left end of the bearing plate 51, an arc-shaped groove is formed in the inner end of the molding block 52, the molding wheels 53 are symmetrically arranged at the upper and lower parts of the inner end surface of the arc-shaped groove, the molding wheels 53 are installed on the molding block 52 through a pulley bracket, the left end of the molding block 52 is connected with the sliding block 54 in a sliding fit manner, the limiting rod 55 is installed at the left end of the sliding block 54, the cross section of the limiting rod 55 is of a right-angled triangle structure, the supporting spring 56 is installed at the outer end, when the concrete work is carried out, when the profiling mechanism 45 presses the steel bar, firstly, the bidirectional cylinder 44 is manually started, the bidirectional cylinder 44 drives the profiling mechanism 45 to carry out the pressing treatment on the steel bar through the folding plate 42, meanwhile, the upper folding plate 42 drives the pushing plate 46 to extrude the limiting rod 55, the limiting rod 55 is stressed and moves to a position close to the profiling mechanism 45 through the sliding block 54, when the limiting rod 55 presses the steel bar through the profiling mechanism 45, the limiting rod 55 separates the side edge of the steel bar to avoid the phenomenon of overlarge deformation of the steel bar, the success rate of steel bar pressing is ensured, then, after the steel bar pressing is finished, the bidirectional cylinder 44 drives the profiling mechanism 45 and the pushing plate 46 to reset through the folding plate 42, the limiting rod 55 resets through the supporting spring 56, finally, the conveying device 2 is manually started, the conveying device 2 moves the pressed deformed steel bar out from the discharge hole through the profiling wheel 53, the shaping wheel 53 is used for rolling the deformed steel bar, so that the deformed steel bar is kept in a straight state after being pressed, and the forming effect of the deformed steel bar is improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A deformed steel bar hot rolling manufacturing process uses a deformed steel bar hot rolling manufacturing apparatus including a main plate (1), a conveying device (2), a heating furnace (3), a profiling device (4), and a molding device (5), and is characterized in that: the specific method for performing press forming on the deformed steel by adopting deformed steel bar hot rolling manufacturing equipment comprises the following steps:
s1, steel bar processing: selecting a steel bar to be processed in a manual mode, and removing rust on the surface of the steel bar;
s2, conveying steel bars: placing a plurality of steel bars on the conveying device (2) in a manual or mechanical auxiliary mode, and intermittently conveying the steel bars by the conveying device (2);
s3, steel bar calcination: the conveying device (2) conveys the reinforcing steel bars into the heating furnace (3), and the heating furnace (3) calcines the reinforcing steel bars;
s4, embossing: manually starting a profiling device (4), and profiling the steel bars calcined in the step S3 by the profiling device (4) to form deformed steel bars;
s5, cooling and storing: taking out the deformed steel bar from the equipment in a mechanical auxiliary mode for cooling, and storing the cooled deformed steel bar into a warehouse;
the upper end of the main board (1) is provided with a conveying device (2), the right side of the conveying device (2) is provided with a heating furnace (3), the heating furnace (3) is installed on the main board (1), the right side of the heating furnace (3) is provided with a profiling device (4), the profiling device (4) is installed on the main board (1), the right side of the profiling device (4) is provided with a molding device (5), and the molding device (5) is installed on the main board (1);
the profiling device (4) comprises a supporting plate (41), a folding plate (42), a jacking frame (43), a two-way cylinder (44), a profiling mechanism (45), a pushing plate (46) and a rolling mechanism (47), wherein the supporting plate (41) is symmetrically installed at the front and back of the upper end of the main plate (1), the folding plate (42) is symmetrically arranged between the supporting plates (41) up and down, the folding plate (42) is connected with the supporting plate (41) in a sliding fit manner, the jacking frame (43) is installed at the position, close to the front side, of the outer end of the folding plate (42), the two-way cylinder (44) is fixedly connected between the jacking frames (43), the two-way cylinder (44) is installed on the front supporting plate (41) through a push rod seat, the profiling mechanism (45) is evenly installed at the inner end of the folding plate (42), the pushing plate (46) is evenly installed at the inner end of the upper folding plate (42, the upper end of the folding plate (42) is provided with a rolling mechanism (47);
the molding device (5) comprises a bearing plate (51), a molding block (52), a molding wheel (53), a sliding block (54), a limiting rod (55), a supporting spring (56) and an auxiliary plate (57), wherein the bearing plate (51) is installed at the upper end of the main plate (1), the bearing plate (51) is of a U-shaped structure, discharge holes are uniformly formed in the part, close to the upper side, inside the bearing plate (51), of the discharge holes, the molding blocks (52) are symmetrically arranged at the front and back of the left end of the discharge holes, the molding block (52) is installed at the left end of the bearing plate (51), an arc-shaped groove is formed in the inner end of the molding block (52), the molding wheels (53) are symmetrically arranged at the upper and lower parts of the inner end face of the arc-shaped groove, the molding wheels (53) are installed on the molding block (52) through a pulley frame, the left end of the molding block (52) is connected with the sliding block (54) in a sliding fit mode, the limiting rod (55) is, supporting springs (56) are installed at the outer ends of the sliding blocks (54), auxiliary plates (57) are installed at the outer ends of the supporting springs (56), and the auxiliary plates (57) are installed at the left ends of the molding blocks (52).
2. The hot rolling process of a deformed steel bar according to claim 1, wherein: conveyor (2) include conveying roller (21) and conveying motor (22), mainboard (1) upper end install the conveying roller through the roller frame, conveying roller front end fixedly connected with conveying motor (22), conveying motor (22) are installed on mainboard (1).
3. The hot rolling process of a deformed steel bar according to claim 1, wherein: profiling mechanism (45) including pressure type frame (451), push down pole (452), design frame (453), auxiliary spring (454) and auxiliary roller (455), pressure type frame (451) install on closing up the terminal surface in board (42), pressure type frame (451) cross-section semicircular structure, pressure type frame (451) lateral wall evenly is connected with push down pole (452) through sliding fit's mode, push down pole (452) and close up sliding connection between board (42), design frame (453) are installed to push down pole (452) inner, the baffle is installed near outer end department to push down pole (452) surface, be connected with auxiliary spring (454) between baffle and the board (42) of closing up, push down pole (452) outer end is connected with auxiliary roller (455) through the bearing.
4. The hot rolling process of a deformed steel bar according to claim 1, wherein: the rolling mechanism (47) comprises a rolling cylinder (471), a rolling frame (472) and a lower pressing roller (473), the rolling cylinder (471) is installed at the outer end of the folding plate (42) through the installation seat, the rolling frame (472) is installed at the right end of the rolling cylinder (471), the rolling frame (472) is of an L-shaped structure, and the lower pressing roller (473) is installed at the inner end of the rolling frame (472) through the connecting frame.
5. The hot rolling process of a deformed steel bar according to claim 1, wherein: the lower end of the pushing plate (46) is provided with an isosceles triangle protrusion, and the isosceles triangle protrusion is in sliding fit with the limiting rod (55).
6. A hot-rolling process for manufacturing deformed steel bars according to claim 3, characterized in that: the cross-section of the shaping frame (453) is of an arc structure, and shaping grooves are uniformly formed in the inner end face of the shaping frame (453).
7. The deformed steel bar hot rolling manufacturing process according to claim 2, characterized in that: the conveying roller (21) is uniformly provided with an annular groove with a semicircular section, and the annular groove is uniformly provided with friction teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110044253.9A CN112893509B (en) | 2021-01-13 | 2021-01-13 | Deformed steel bar hot rolling manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN114082781A (en) * | 2021-11-26 | 2022-02-25 | 安孝 | Finish rolling processing machine and finish rolling processing technology for deformed steel bar |
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| CN114082781B (en) * | 2021-11-26 | 2023-11-21 | 宁夏建龙特钢有限公司 | Deformed steel bar finish rolling machining machine and finish rolling machining process |
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| CN112893509B (en) | 2022-06-03 |
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