CN203635819U - Butt-welded steel bar blanking system - Google Patents
Butt-welded steel bar blanking system Download PDFInfo
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- CN203635819U CN203635819U CN201320679465.5U CN201320679465U CN203635819U CN 203635819 U CN203635819 U CN 203635819U CN 201320679465 U CN201320679465 U CN 201320679465U CN 203635819 U CN203635819 U CN 203635819U
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- 238000005520 cutting process Methods 0.000 claims abstract description 21
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 12
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 57
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- 230000003014 reinforcing effect Effects 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 20
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- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
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- 239000002341 toxic gas Substances 0.000 description 2
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- 239000010953 base metal Substances 0.000 description 1
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Abstract
The utility model discloses a butt-welded steel bar blanking system which comprises a butt-welded steel bar traction system, a butt-welded steel bar straightening mechanism and an automatic welded steel bar fixed-length blanking machine which are in an upstream and downstream relation, wherein the butt-welded steel bar straightening mechanism is arranged on one side of the butt-welded steel bar traction system, and the automatic welded steel bar fixed-length blanking machine is arranged at one end of the welded steel bar straightening mechanism. The system has the following advantages that butt-welded steel bars are pulled by the system; the time and labor are saved; the pulled and straightened butt-welded steel bars are very straight; the yield of welding joints reaches 100%; fixed-length blanking employs an end-to-end continuous blanking manner of the butt-welded steel bars, and achieves zero loss of steel; the lengths of the butt-welded steel bars and blanked main bars are adjustable; the system does not require welding cutting, lowers the expense, achieves energy conservation and emission reduction, and is long in service life, low in failure rate and very low in maintenance cost; and the system can be used for processing the steel bars when a building is constructed, avoids quality hidden dangers of the welding joints caused by manual butt welding, and improves the productive capacity by one third.
Description
Technical Field
The utility model relates to a reinforcing bar processing equipment technical field, concretely relates to complete sets for handling the reinforcing bar after welding.
Background
The manual welding is adopted when the electric pole steel reinforcement framework is produced. The main reinforcement, namely the reinforcement cut to the required length, is obtained by purchasing the reinforcement with the length exceeding the required length and then cutting the reinforcement. The steel bar framework for producing the electric pole does not use the welded steel bars. Therefore, a large amount of reinforcing steel bars are wasted, the cut redundant parts cannot be used, particularly, when the reinforcing steel bars are subjected to ribbing, the reinforcing steel bars with the lengths of several meters are cut, the labor intensity for butt welding and recycling of the reinforcing steel bars is too high, straightening cannot be achieved, and whether butt welding is qualified or not cannot be detected. So it can be discarded. If the steel bars after butt welding are adopted, the steel bars welded at present are required to pull the next end, and at present, the steel bars are pulled manually, so that the speed is low and the labor intensity is high. 2 workers can only pull two, three and hundred of 72-meter butt-welded steel bars under full load in one day.
The steel bars in a steel bar factory have a flying size and a fixed size, wherein the fixed size is 9 meters, the flying size is 6 meters or more than ten meters, but the steel bars do not have the size required by a steel bar framework of an electric pole of 12 meters, 8 meters and the like. Generally, a fixed-length steel bar with the length of 9 meters is selected for butt welding, and even if only two fixed-length steel bars are butt-welded, the length of the fixed-length steel bars is 18 meters; of course, fly-rule steel bars may be butt welded or butt-welded in a mixed lap manner. The butt-welded steel bars used for the post-welding steel bar blanking system are generally dozens of meters long and can be more than one hundred meters in consideration of efficiency. If the traditional manual welding and cutting are adopted, the efficiency is too low, and the labor intensity is too high. Because after a point is cut, the steel bar does not need to move to the next welding point by a plurality of meters or tens of meters, or the steel bar needs to be pulled by a person by a plurality of meters or tens of meters, and then welding and cutting are carried out. And welding and cutting also consumes materials, generates waste gas and metal dust pollution, is not beneficial to the health and environmental protection of workers, and also increases the production cost.
In order to solve the above insufficiency in the prior art, the utility model provides a new solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a post-butt-welded steel bar blanking system, which solves the problems that the steel bar is seriously wasted in the existing main bar production mode, the consumed material consumes more waste gas and metal dust pollution, is not beneficial to the health and environmental protection of workers and increases the production cost; still solve the problem that does not have supporting reinforcing bar processing's after the butt welding equipment.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: providing a post-butt-welding steel bar blanking system which comprises a post-butt-welding steel bar traction system, a post-butt-welding steel bar straightening mechanism and a post-welding steel bar automatic fixed-length blanking machine, wherein the post-butt-welding steel bar traction system, the post-butt-welding steel bar straightening mechanism and the post-welding steel bar automatic fixed-length blanking machine are in an upstream; the butt welding rear reinforcing steel bar straightening mechanism is arranged beside a reinforcing steel bar butt welding rear traction system, and the automatic fixed-length welded reinforcing steel bar blanking machine is arranged at one end of the welding rear reinforcing steel bar straightening mechanism.
The traction system for the steel bars after butt welding comprises a rack, wherein a traction sliding rail is arranged on the rack, a traction tackle is arranged on the traction sliding rail, a clamp used for clamping the steel bars after butt welding is arranged on the traction tackle, and the traction tackle is connected with a driving mechanism.
The clamp comprises a traction tackle bottom plate, two clamping strips are symmetrically arranged on the traction tackle bottom plate, one ends of the clamping strips are hinged with the traction tackle bottom plate, and the other ends of the clamping strips are free ends; the clamping strip is arc-shaped, and one side of the protrusion is provided with a group of inverted teeth in the same direction or two groups of inverted teeth symmetrically arranged in opposite directions; shaft holes are also arranged at the two ends of the holding strip.
The inclination angle of the inverted teeth is 20 +/-5 degrees; the clamp also comprises a shaft hole, the shaft hole is hinged on the bottom plate of the traction tackle and is arranged beside the holding strip, one end of the shaft hole is abutted against the holding strip, and the other end of the shaft hole faces the outer side of the clamp;
the driving mechanism comprises a driven wheel arranged at one end of the traction sliding rail and a driving wheel arranged at the other end of the traction sliding rail, traction steel wire ropes are arranged on the driven wheel and the driving wheel, and the traction tackle is fixedly connected with the traction steel wire ropes; the driving wheel is connected with a traction driving motor through a traction clutch and a gearbox;
the driving mechanism also comprises a plurality of supporting wheels for supporting the traction steel wire rope; stopping blocks for preventing the traction tackle from derailing are arranged at two ends of the traction sliding rail; a proximity switch and a travel switch which are connected with a control system are respectively arranged at two ends of the traction sliding rail;
the reinforcing steel bar butt welding traction system is provided with a foot switch which is connected with the control system and is used for controlling the traction tackle to walk.
The butt-welded steel bar straightening mechanism comprises a winch, wherein one end of a pulley block is fixedly arranged on the winch; one end of the pulley block is connected with one end of the movable clamp, and the other end of the movable clamp is connected with the homing device; the device also comprises a fixed clamp which is combined with the movable clamp and has a certain distance with the movable clamp.
The certain distance is more than 0 meter; the movable clamp comprises a clamp connecting piece, two symmetrically arranged short clamping strips and two symmetrically arranged clamp connecting rods; one end of each of the two clamp connecting rods is hinged and then connected with the clamp connecting piece; one end of each short clamping strip is hinged with the other end of each clamp connecting rod, and the other end of each short clamping strip is hinged with the clamp bottom plate; the clamp connecting piece is connected with one end of the pulley block through a tensile steel wire rope; spring seats are respectively arranged on two sides of the clamp bottom plate, and boosting springs are arranged between the two spring seats and the other ends of the two clamp connecting rods; the fixed clamp structure is the same as the movable clamp structure, and the difference is that the clamp connecting piece is anchored with the ground;
the homing device comprises a counterweight; the counterweight is arranged on the homing device frame in a vertically sliding manner, and the homing device frame is also provided with a lifting pulley block; one end of the tensile steel wire rope is connected with the other end of the movable clamp, and the other end of the tensile steel wire rope is connected with the counterweight through the steering pulley and the lifting pulley block.
The short clamping strips are arc-shaped, and one side of the short clamping strips, which is protruded out of the short clamping strips, is provided with a group of inverted teeth in the same direction or two groups of inverted teeth symmetrically arranged in opposite directions; shaft holes are also formed at the two ends of the short holding strip; the inclination angle of the inverted teeth is 20 +/-5 degrees.
The automatic fixed-length blanking machine for the welded steel bars comprises a steel bar fixed-length and unloading mechanism, a steel bar cutting machine, a steel bar feeding mechanism and a control system, wherein the steel bar cutting machine and the steel bar fixed-length and unloading mechanism are sequentially arranged at the lower reaches of the steel bar feeding mechanism.
The reinforcing steel bar length fixing and discharging mechanism comprises a gate-shaped reinforcing steel bar sliding rail with a downward opening, a reinforcing steel bar pushing sliding chute which is in lateral sliding fit with the reinforcing steel bar sliding rail is arranged above the reinforcing steel bar sliding rail, and the reinforcing steel bar sliding rail and the reinforcing steel bar pushing sliding chute are connected with each other through at least two discharging driving devices; the discharging driving device is connected with the control system;
the steel bar pushing chute is provided with a plurality of fixed length holes with the same and/or different intervals, one of the fixed length holes is arranged at the tail end of the steel bar pushing chute, a triggering sheet is arranged in the fixed length hole, and the triggering sheet is matched with an emergency stop travel switch for emergently stopping the blanking machine; a trigger piece is arranged in one of the other fixed-length holes except the fixed-length hole arranged at the tail end of the steel bar pushing chute, the distance between the fixed-length hole and the steel bar cutting machine is the length of the butt-welded steel bar to be blanked, and the trigger piece is matched with the fixed-length stopping device; the fixed-length stopping device is a fixed-length travel switch; the emergency stop travel switch and the fixed-length travel switch are respectively connected with the control system;
a steel bar bending prevention device is arranged between the steel bar cutting machine and the steel bar feeding mechanism, the steel bar bending prevention device comprises an elastic stand column, and at least one pulley is fixedly arranged at the upper end of the elastic stand column;
the reinforcing steel bar feeding mechanism comprises a feeding rack, and at least one group of mutually matched feeding wheels is arranged on the feeding rack;
the conveying wheels comprise two conveying wheels which are oppositely arranged, one of the conveying wheels is a driving wheel, and the other conveying wheel is a driven wheel.
The discharging driving device comprises a discharging cylinder, a piston rod of the discharging cylinder is fixedly connected with the M-shaped positioning chute, and the discharging cylinder is fixedly connected with the steel bar pushing chute;
the steel bar pushing device comprises a chute, a discharging cylinder, a steel bar pushing chute, a discharging cylinder, a steel bar pushing chute, a discharging chute and a lower positioning wheel, wherein the chute is provided with two chutes with downward openings, one chute is internally provided with an upper positioning wheel which is used for limiting the lower limit of the up-and-down jumping position of the steel bar pushing chute and lifting the steel bar pushing chute when the steel bar pushing chute slides out of the steel bar sliding rail, the upper positioning wheel is fixedly connected with the steel bar sliding rail and is in sliding fit with the discharging cylinder, the other chute is internally provided with a lower positioning wheel which is used for limiting the upper limit;
the initial end of the steel bar pushing chute is provided with an initial end bell mouth for guiding the steel bar to enter the steel bar pushing chute; the tail end of the steel bar pushing chute is provided with a tail end sliding rail which is used for assisting the steel bar pushing chute to slide and resisting steel bar impact so as to keep the steel bar pushing chute at the position in the length direction of the steel bar sliding rail, the tail end sliding rail is in sliding fit with the tail end sliding rail, and the tail end sliding rail is fixedly matched with the steel bar sliding rail; a temporary storage rack for temporarily storing the cut-off butt-welded steel bars is also arranged below the steel bar slide rail; the conveying wheel comprises a flexible wheel, and the outer circumferential surface of the flexible wheel is coated with a chain for engaging steel bars and adapting to the high temperature of welding steel bar points;
the driving wheel is fixedly arranged on a clutch frame used for leading the driving wheel to approach and be far away from the driven wheel, the clutch frame is in sliding fit with the feeding rack and is connected with a piston rod of a clutch cylinder, and the clutch cylinder is fixedly arranged on the feeding rack;
the upstream end and the downstream end of the feeding rack are respectively provided with a positioning device; the positioning device comprises a pressing wheel and a roller which are matched with each other, the roller is positioned below, and the pressing wheel is arranged above through a pressing wheel shock absorber; a carrier roller for bearing the butt-welded steel bars is arranged between the two adjacent material conveying wheels;
the material-free parking device is also arranged at the upstream end of the feeding rack and comprises an upper wheel and a lower wheel which are hinged together through a connecting piece, a material-free parking travel switch is arranged beside the lower wheel and is connected with the control system;
when the steel bar is between the upper wheel and the lower wheel after butt welding, the upper wheel and the lower wheel are separated, and when the steel bar is conveyed after butt welding, the upper wheel falls down, a no-material parking travel switch is triggered, and the machine is parked.
To sum up, the utility model discloses mainly be used for pulling the reinforcing bar after to butt welding, try to draw alignment and fixed length unloading. The steel bar can be phi 12 mm-phi 28 mm. It has the following advantages:
1. after the steel bars are butt-welded manually, the steel bars do not need to be pulled manually after butt welding, the system finishes traction, and is high in efficiency, time-saving and labor-saving;
2. the butt-welded steel bar after trial drawing and straightening is very straight, and the qualification rate of a welding joint reaches 100 percent, so that the strength of the base metal cannot leave any potential safety hazard;
3. the fixed-length blanking adopts a butt-welded reinforcing steel bar end-to-end continuous blanking mode, so that zero loss of steel is realized;
4. the length of the welded steel bar and the length of the blanked main bar can be adjusted, so that different production requirements are met;
5. welding and cutting are not needed, the cost is reduced, toxic gas and metal dust pollution are avoided, and energy conservation and emission reduction are realized;
6. the service life is long, the failure rate is low, and the maintenance cost is very low;
7. the system greatly improves the productivity of the butt-welded steel bars and greatly reduces the labor intensity of workers. The blanking system of the steel bars after butt welding improves the productivity by one third, saves welding and cutting consumables and reduces the labor intensity;
8. the utility model discloses to the processing of reinforcing bar when can be used to building the building, behind this set of system of on-the-spot construction, the butt welding back reinforcing bar can directly carry to the place that needs, has stopped the welded joint quality hidden danger that artifical butt welding caused.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a traction system A after steel bars are butt-welded;
FIG. 3 is a schematic structural view of a clamp A5;
FIG. 4 is a schematic structural view of a clip strip A51;
FIG. 5 is a schematic structural view of a steel bar straightening mechanism B after butt welding;
FIG. 6 is a schematic structural view of a movable clamp B4;
fig. 7 is a schematic structural diagram of a homing device B6;
FIG. 8 is a schematic structural view of an automatic fixed-length steel bar blanking machine C after butt welding;
FIG. 9 is a top view of FIG. 8;
fig. 10 is an enlarged view of the discharge drive means and the definite length stop means C100 of fig. 9;
fig. 11 is a schematic structural view of the discharging driving device C112;
FIG. 12 is a schematic structural diagram of a positioning device C202;
fig. 13 is a schematic structural diagram of the material-free parking device C212.
Wherein,
A. a traction system after butt welding of the steel bars; a1, driven wheel; a2, a frame; a3, a stop block; a4, pulling a pulley; a5, a clamp; a51, clip strips; a51a, pawl; a51b, shaft hole; a52, a pressure lever; a53, a traction pulley bottom plate; a6, riding wheels; a7, a slide rail; a8, a driving wheel; a9, a traction drive motor; a10, a traction steel wire rope; a11, clutch; aa. The inclination of the inverted teeth.
B. Straightening the steel bars after butt welding; b1, a winch; b2, pulley blocks; b3, stretching the steel wire rope; b4, moving a clamp; b41, clamp connectors; b42, a clamp connecting rod; b43, a boosting spring; b44, a spring seat; b45, short holding strips; a51b, shaft hole; a51a, pawl; b46; a clamp base plate; aa. The inclination angle of the inverted teeth; b5, diverting pulley; b6, a homing device; b61, a counterweight; b62, a homing device frame; b63, a lifting pulley block; b7, fixing the clamp.
C. Automatically fixing the length of the welded steel bars and blanking the welded steel bars;
c100, reinforcing steel bar length fixing and discharging mechanisms; c102, a steel bar slide rail; c104, pushing the steel bars out of the sliding chute; c106, a trigger sheet; c108, fixed-length holes; c110, a fixed-length stop device; c110a, fixed length travel switch; c112, a discharging driving device; c112a, a discharge cylinder; c112b, positioning chute; C112C, upper positioning wheel; c112d, lower positioning wheel; c114, an emergency stop travel switch; c116, a tail end slide rail; c118, end pulley; c120, a starting end bell mouth; c122, a temporary storage rack;
c200, a steel bar feeding mechanism; c202, a positioning device; c201a, pinch roller shock absorber; c201b, pinch roller; C201C, a roller; c204, a material conveying wheel; c204a, compliant wheel; c204b, chain; c206, carrying rollers; c208, a clutch frame; c210, a clutch cylinder; c212, a material-free parking device; c212a, upper wheel; c212b, lower wheel; C212C, no material stop travel switch; c214, a feeding rack;
c10, a steel bar cutter; c20, a steel bar bending prevention device; c30, a steel bar butt welding machine.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, the system for blanking the steel bars after butt welding is characterized in that: the automatic fixed-length steel bar straightening and cutting machine comprises a steel bar butt welding traction system A, a butt welding steel bar straightening mechanism B and a welded steel bar automatic fixed-length blanking machine C which are in upstream and downstream relation. And the butt-welded steel bar straightening mechanism B is arranged beside the steel bar butt-welded traction system A, and the automatic fixed-length welded steel bar blanking machine C is arranged at one end of the welded steel bar straightening mechanism B.
The steel bars are formed into butt-welded steel bars after the steel bars are subjected to rigid butt welding, and the butt-welded steel bars are gradually drawn and pulled by a steel bar butt-welding rear traction system A; after reaching the preset length, the steel bar is transferred to a side butt-welded steel bar straightening mechanism B for trial drawing and straightening; then, one end of the butt-welded steel bar enters a post-welding steel bar automatic fixed-length blanking machine C through manual movement, and the butt-welded steel bar is blanked into a main bar with a preset length to serve as a raw material of an electric pole steel bar framework.
As shown in fig. 2, the system a for drawing the steel bars after butt welding comprises a frame a2, wherein a drawing slide rail 7 is arranged on the frame a2, a drawing tackle a4 is arranged on the drawing slide rail 7, a clamp a5 for clamping the steel bars after butt welding is arranged on the drawing tackle a4, and the drawing tackle a4 is connected with a driving mechanism. The system can simulate and replace manual traction by carrying out controllable automatic linear traction on the butt-welded steel bars, and the steel bars can be pulled by about 70 meters per minute on average. Therefore, the speed is high, the efficiency is high, and the labor intensity is low.
As shown in fig. 3 and 4, the clamp a5 includes a traction sheave base plate a53, two clamping bars a51 are symmetrically arranged on the traction sheave base plate a53, one end of each clamping bar a51 is hinged to the traction sheave base plate a53, and the other end is a free end; the clamping strip A51 is arc-shaped, and one side of the projection is provided with a group of inverted teeth A51a in the same direction or two groups of inverted teeth A51a symmetrically arranged in opposite directions; and two ends of the holding strip A51 are also provided with shaft holes A51 b. If the clamping strip A51 adopts two sets of inverted teeth A51a which are symmetrically arranged opposite to each other, after one set of inverted teeth A51a is worn, the clamping strip A51 can be turned around for continuous use.
The inverted tooth inclination angle Aa of the inverted tooth A51a is 20 +/-5 degrees. Therefore, the steel bar can be firmly gripped, the inverted teeth have enough strength, the steel bar cannot be worn too fast due to the deformation of the tensile force, and the accident potential caused by the flying-off of the steel bar is avoided.
The clamp A5 further comprises a shaft hole A52, the shaft hole A52 is hinged to the traction tackle bottom plate A53 and is arranged beside the holding strip A51, one end of the shaft hole A52 abuts against the holding strip A51, and the other end of the shaft hole A3684 faces the outer side of the clamp A5.
When the steel bar is clamped, the steel bar is placed between the two clamping strips A51, the shaft hole A52 is pressed down, one end of the shaft hole A52 can tightly push the clamping strip A51, and the clamping force of the clamp A5 is guaranteed. And after the tensile force is loaded, the clamping force is increased by further closing the two clamping strips A51 due to the action of the inverted teeth A51a, and the clamping force is increased when the tensile force is larger. Thus further ensuring the reliability of the clamp a 5. When the reinforcing steel bar is taken out, the shaft hole A52 is lifted, one end of the shaft hole A52 moves towards the side, the clamping force of the two clamping strips A51 disappears, and the reinforcing steel bar can be taken out after being lifted.
The system is provided with a foot switch connected to the control system for controlling the travel of the traction sheave a 4. The foot switch controls the traction sheave a4 to move in the direction indicated by the arrow in fig. 1, i.e., in the traction direction. Another switch controls the resetting of the traction sheave a4, which is available if pulled over.
The driving mechanism comprises a driven wheel A1 arranged at one end of the traction slide rail 7 and a driving wheel A8 arranged at the other end of the traction slide rail 7, a traction steel wire rope A10 is arranged on the driven wheel A1 and the driving wheel A8, and the traction tackle A4 is fixedly connected with a traction steel wire rope A10; the driving wheel A8 is connected with a traction driving motor A9 through a traction clutch A11 and a gearbox. After the foot switch is lifted, the traction driving motor A9 stops, and the traction clutch A11 is separated and braked at the same time, so that the traction tackle A4 can be stopped in time.
The driving mechanism also comprises a plurality of riding wheels A6 for supporting the traction steel wire rope A10.
The two ends of the traction sliding rail 7 are provided with stop blocks A3 for preventing the traction tackle A4 from derailing. Preventing derailment of the traction sheave a 4.
And a proximity switch and a travel switch which are connected with a control system are respectively arranged at two ends of the traction sliding rail 7. The proximity switch and the travel switch are double-insurance, when the traction tackle A4 is detected to reach the end of the traction sliding rail 7, a signal is sent to the control system, the control system stops traction of the driving motor A9, and meanwhile the traction clutch A11 is separated and braked, so that the traction tackle A4 can be guaranteed to stop in time.
As shown in fig. 5, the butt-welded steel bar straightening mechanism comprises a winch B1, wherein one end of a pulley block B2 is fixedly arranged on the winch B1; one end of the pulley block B2 is connected with one end of a movable clamp B4, and the other end of the movable clamp B4 is connected with a homing device B6; and a fixed clamp B7 which is combined with the movable clamp B4 and has a certain distance with the movable clamp B4.
The certain distance is more than 0 meter. We now use to straighten 72 m butt welded bars, also 24 m, 36 m or more than a hundred m, etc. The movable clamp B4 and the fixed clamp B7 have a distance that can be used to straighten a length of welded rebar. The straightening mode is stretching, for example, the steel bar after butt welding is stretched to 101% of the original length. At this time, the bent reinforcing bars are straightened, and if the welding points are not broken, the whole reinforcing bars are proved to have qualified strength after welding.
As shown in fig. 6, the movable clamp B4 includes a clamp connector B41, two symmetrically arranged short clamping bars B45 and two symmetrically arranged clamp links B42; one ends of the two clamp connecting rods B42 are hinged and then connected with a clamp connecting piece B41; one end of each of the two short clamping strips B45 is hinged with the other end of the two clamp connecting rods B42, and the other end of each of the two short clamping strips B45 is hinged with the clamp bottom plate B46; the clamp connecting piece B41 is connected with one end of a pulley block B2 through a tensile steel wire rope B3; the clamp connecting piece B41 is connected with one end of a pulley block B2 through a tensile steel wire rope B3; two sides of the clamp bottom plate B46 are respectively provided with a spring seat B44, and a boosting spring B43 is arranged between the two spring seats B44 and the other end of the two clamp connecting rods B42;
the fixed clamp B7 is structurally identical to the movable clamp B4, except that the clamp connector B41 is anchored to the ground.
Referring to fig. 4, the short gib B45 is arc-shaped, and a set of inverted teeth a51a in the same direction or two sets of inverted teeth a51a symmetrically arranged in opposite directions are disposed on the protruding side; and shaft holes are also formed at two ends of the short clamping strip B45. If two groups of inverted teeth A51a symmetrically arranged in opposite directions are adopted in the short clamping strip B45, after one group of inverted teeth A51a is worn, the short clamping strip B45 can be turned around for continuous use.
The inclination angle Aa of the inverted tooth A51a is 20 +/-5 degrees. Therefore, the steel bar can be firmly gripped, the inverted teeth have enough strength, the steel bar cannot be worn too fast due to the deformation of the tensile force, and the accident potential caused by the flying-off of the steel bar is avoided.
Before the steel bars are placed, the two short clamping bars B45 are separated by force a little, the steel bars after butt welding are placed, after the external force for separating the short clamping bars B45 is removed, the short clamping bars B45 clamp the steel bars after butt welding under the action of the boosting springs B43. The whole process takes only 2 seconds. The inverted tooth a51a on the short gib B45 would bite into the thread of the butt welded steel bar. And after the tensile force is loaded, the two short clamping strips B45 are further drawn together to increase the clamping force due to the action of the inverted teeth, and the clamping force is increased when the tensile force is larger. Thus ensuring the reliability of the clamp 4.
As shown in fig. 7, the homing device B6 includes a counterweight B61; the counterweight B61 is arranged on a homing device frame B62 in a vertically sliding manner, and a lifting pulley block B63 is further arranged on the homing device frame B62; one end of a drawing steel wire rope B3 is connected with the other end of the movable clamp B4, and the other end is connected with a counterweight B61 through a diverting pulley B5 and a lifting pulley block B63.
When the control system shuts down the winch, the counterweight B61, which was lifted during the pull, drops due to gravity and pulls the movable clamp B4 to the home position by pulling the wire rope B3.
In the homing process or after homing, the clamp 4 can be opened without tensile force, and a worker can take down the welded steel bar by lifting the welded steel bar upwards lightly. The whole process takes only 2 seconds.
As shown in fig. 8 and 9, the automatic length-fixing blanking machine C for the butt-welded steel bars comprises a steel bar length-fixing and discharging mechanism C100, a steel bar cutting machine C10, a steel bar feeding mechanism C200 and a control system, wherein the steel bar cutting machine C10 and the steel bar length-fixing and discharging mechanism C100 are sequentially arranged at the downstream of the steel bar feeding mechanism C200. A steel bar butt welding machine C30 can be arranged at the upstream of the steel bar feeding mechanism C200, and after the currently processed butt-welded steel bar is moved, the next butt-welded steel bar is butt-welded, so that zero loss of the steel bar is ensured. The working process is that the reinforcing steel bar feeding mechanism C200 is responsible for conveying the butt-welded reinforcing steel bars to the reinforcing steel bar fixing and discharging mechanism C100, the reinforcing steel bar fixing and discharging mechanism C100 which conveys the reinforcing steel bars with the required length sends a signal to the control system, the control system stops the reinforcing steel bar feeding mechanism C200, controls the reinforcing steel bar cutting machine C10 to cut the butt-welded reinforcing steel bars, and then the reinforcing steel bar fixing and discharging mechanism C100 writes the cut butt-welded reinforcing steel bars and temporarily stores the cut butt-welded reinforcing steel bars.
The bar cutter C10 may be a hydraulic cutting type device or a general impact type device. Only the blade needs to be maintained or replaced. Compared with welding and cutting, the cost is low, and toxic gas and metal dust pollution are avoided. Plays the active role of energy conservation and emission reduction.
As shown in fig. 10 and 11, the reinforcing steel bar length-fixing and discharging mechanism C100 includes a "door" -shaped reinforcing steel bar sliding rail C102 with a downward opening, a reinforcing steel bar pushing chute C104 in lateral sliding fit with the reinforcing steel bar sliding rail C102 is disposed above the reinforcing steel bar sliding rail C102, and the reinforcing steel bar sliding rail C102 and the reinforcing steel bar pushing chute C104 are connected to each other by at least two discharging driving devices C112; the discharging driving device is connected with the control system;
a plurality of fixed-length holes C108 with the same and/or different intervals are arranged on the steel bar pushing chute C104, one of the fixed-length holes C108 is arranged at the tail end of the steel bar pushing chute C104, a trigger piece C106 is arranged in the fixed-length hole C108, and the trigger piece C106 is matched with an emergency stop travel switch C114 for emergently stopping the blanking machine; a trigger piece C106 is arranged in one of the other fixed-length holes C108 except the fixed-length hole C108 arranged at the tail end of the steel bar pushing chute C104, the distance between the fixed-length hole C108 and the steel bar cutter C10 is the length of the butt-welded steel bar needing blanking, and the trigger piece C106 is matched with a fixed-length stop device C110; the fixed-length stopping device C110 is a fixed-length travel switch C110 a; the emergency stop travel switch C114 and the fixed-length travel switch C110a are respectively connected with the control system.
The fixed-length hole C108 can be uniformly arranged in the reinforcing steel bar pushing chute C104, for example, one fixed-length hole is arranged in 0.5 m, or the fixed-length hole C can be non-uniformly arranged, for example, the fixed-length hole C only needs to be arranged in a position which is 1012 m, 7 m, 5 m and the like away from the reinforcing steel bar cutting machine. The fixed-length stopping device C110 and the trigger piece C106 associated therewith do not have to be provided in one set, and may be provided in each fixed-length hole C108 or in part of each fixed-length hole C108 as needed. It is sufficient to ensure that the fixed-length stop device C110 and the trigger piece C106 matched with the fixed-length stop device C110 are simultaneously arranged on the fixed-length hole C108 corresponding to the required length, and the trigger piece C106 is not arranged at the upstream of the fixed-length stop device C108. Therefore, the fixed-length stopping device C110 can be triggered by the triggering sheet C106 when the steel bars are conveyed to the required length after butt welding, and further the subsequent processes are carried out.
As shown in fig. 11, the discharging driving device C112 includes a discharging cylinder C112a, a piston rod of the discharging cylinder C112a is fixedly connected to an "M" shaped discharging cylinder C112b, and a discharging cylinder C112b is fixedly connected to the steel bar pushing chute C104;
the sliding groove 112b is provided with two sliding grooves with downward openings, an upper positioning wheel C112C used for limiting the lower limit of the up-and-down jumping position of the steel bar pushing-out sliding groove C104 and lifting up the steel bar pushing-out sliding groove C104 when the steel bar pushing-out sliding groove C104 slides out of the steel bar sliding rail C102 is arranged in one sliding groove, the upper positioning wheel C112C is fixedly connected with the steel bar sliding rail C102 and is in sliding fit with the unloading cylinder C112b, a lower positioning wheel C112 53936 used for limiting the upper limit of the up-and-down jumping position of the steel bar pushing-out sliding groove C104 and pressing the steel bar pushing-out sliding groove C104 when the steel bar pushing-out sliding groove C104 slides into the steel bar sliding rail C102 is arranged in the other sliding groove, and the lower positioning wheel C.
The top end of the steel bar pushing chute C104 is provided with a top end bell mouth C120 for guiding the steel bar to enter the steel bar pushing chute C104.
The tail end of the steel bar pushing chute C104 is provided with a tail end slide rail C116 which is used for assisting the steel bar pushing chute C104 to slide and resisting steel bar impact so as to keep the position of the steel bar pushing chute C104 in the length direction of the steel bar slide rail C102, the tail end slide rail C116 is in sliding fit with the tail end slide rail C118, and the tail end slide rail C118 is in fixed fit with the steel bar slide rail C102.
A temporary storage rack C122 for temporarily storing the truncated butt-welded steel bars is further arranged below the steel bar sliding rail C102. The cut and butt-welded steel bars can be temporarily stacked on the temporary storage rack C122 so as to facilitate the lifting of the bundled travelling crane.
Be provided with reinforcing bar bending apparatus C20 between reinforcing bar clipper C10 and reinforcing bar feeding mechanism C200, reinforcing bar bending apparatus C20 includes an elasticity stand, and root elasticity stand upper end is fixed and is set up at least one pulley. The steel bar bending prevention device C20 is mainly used when a collision-type steel bar cutting machine is used, due to the characteristics of the working mode of the collision-type steel bar cutting machine, a steel bar after butt welding is cut off can swing violently in one direction, and at the moment, the steel bar bending prevention device C20 with elasticity is needed to buffer and absorb the force, so that the steel bar after butt welding is prevented from being bent to be incapable of being used and hindering subsequent processing.
Because the welding point temperature of the welded steel bar is very high and thousands of degrees, and can directly exceed the direct one time of the steel bar, the protruded welding point has slope transition and is directly protruded out of the surface of the vertical steel bar. Therefore, the requirement on the conveying device is very high, the steel bar can not only prevent high temperature, but also pass through welding points, and has enough friction force, and the steel bar can be timely stopped when being conveyed to the right position after butt welding.
As shown in fig. 8 and 9, the reinforcing bar feeding mechanism C200 includes a feeding frame C214, and at least one set of mutually matched feeding wheels C204 is disposed on the feeding frame C214; the material conveying wheels C204 comprise two material conveying wheels C204 which are arranged oppositely, wherein one material conveying wheel is a driving wheel, and the other material conveying wheel is a driven wheel. The delivery wheel C204 comprises a flexible wheel C204a, and the outer circumferential surface of the flexible wheel C204a is coated with a chain C204b which is used for engaging steel bars and adapting to the high temperature of welding steel bar points.
The flexible wheel C204a is an automobile tire which can be scrapped after being worn, and the outer circumferential surface of the automobile tire is coated with a metal chain C204b with the width of 10-50 mm to form the material conveying wheel C204. The result is elastic, can allow the over-welding point, utilizes the metal chain to adapt to the high temperature of the welding point, and the metal chain can also be occluded with the screw thread on the butt-welded steel bar, provides enough friction force, so as to be capable of conveying dozens of meters or even hundreds of meters of butt-welded steel bar.
The driving wheel is fixedly arranged on a clutch frame C208 used for enabling the driving wheel to be close to and far away from the driven wheel, the clutch frame C208 is in sliding fit with the feeding rack C214 and is connected with a piston rod of a clutch cylinder C210, and the clutch cylinder C210 is fixedly arranged on the feeding rack C214.
After the steel bars are conveyed after butt welding, the control system stops the rotation of the driving wheel, simultaneously opens the clutch cylinder C210, drives the clutch frame C208, and separates the driving wheel on the driving clutch frame C208 from the driven wheel. At this time, the steel bar loses moving power after butt welding.
As shown in fig. 12, the upstream end and the downstream end of the feeder frame C214 are respectively provided with a positioning device C202; the positioning device C202 comprises a pinch roller C201b and a runner C201C which are matched with each other, the runner C201C is positioned below, and the pinch roller C201b is arranged above through a pinch roller shock absorber C201 a; and a carrier roller C206 for bearing the butt-welded steel bars is arranged between the two adjacent material conveying wheels C204.
The positioning device C202 can ensure that the rigid force accurately enters the material conveying wheel C204 and is in contact with the chain C204 b; and ensuring that the steel bar feeding mechanism C200 can accurately enter the steel bar cutter C10; puck C201b also allows solder joints to pass through because of puck damper C201 a.
As shown in fig. 13, a material-free parking device C212 is further disposed at the upstream end of the feeding rack C214, the material-free parking device C212 includes an upper wheel C212a and a lower wheel C212b, the upper wheel C212a and the lower wheel C212b are hinged together through a connecting member, a material-free parking travel switch C212C is disposed beside the lower wheel C212b, and the material-free parking travel switch C212C is connected to the control system;
when the steel bars are butt-welded between the upper wheel C212a and the lower wheel C212b, the upper wheel C212a is separated from the lower wheel C212b, and when the butt-welded steel bars are conveyed, the upper wheel C212a falls down, the non-material parking travel switch C212C is triggered, and the machine is parked.
While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (9)
1. Reinforcing bar unloading system after butt welding, its characterized in that: comprises a steel bar butt welding traction system (A), a butt welding steel bar straightening mechanism (B) and a welded steel bar automatic fixed-length blanking machine (C) which are in upstream and downstream relation; the butt-welded steel bar straightening mechanism (B) is arranged beside the steel bar butt-welded traction system (A), and the automatic fixed-length welded steel bar blanking machine (C) is arranged at one end of the welded steel bar straightening mechanism (B);
to automatic fixed length blanking machine (C) of postweld reinforcing bar, including reinforcing bar fixed length and shedding mechanism (C100), reinforcing bar clipper (C10), reinforcing bar feeding mechanism (C200) and control system, reinforcing bar clipper (C10) and reinforcing bar fixed length and shedding mechanism (C100) are set gradually in reinforcing bar feeding mechanism (C200) low reaches.
2. The system of claim 1, wherein: the reinforcing bar is to welding back traction system (A) including frame (A2), be provided with on frame (A2) and pull slide rail (7), it pulls coaster (A4) to be provided with on pulling slide rail (7), it is provided with anchor clamps (A5) that are used for the centre gripping to weld back reinforcing bar on pulley (A4) to pull, it is connected with actuating mechanism to pull coaster (A4).
3. The system of claim 2, wherein: the clamp (A5) comprises a traction tackle base plate (A53), two clamping strips (A51) are symmetrically arranged on the traction tackle base plate (A53), one ends of the clamping strips (A51) are hinged with the traction tackle base plate (A53), and the other ends of the clamping strips are free ends; the clamping strip (A51) is arc-shaped, and one side of the clamping strip which is protruded is provided with a group of inverted teeth (A51 a) in the same direction or two groups of inverted teeth (A51 a) which are symmetrically arranged in opposite directions; and shaft holes (A51 b) are also arranged at the two ends of the holding strip (A51).
4. The system of claim 3, wherein: the inverted tooth inclination angle (Aa) of the inverted tooth (A51 a) is 20 +/-5 degrees; the clamp (A5) further comprises a shaft hole (A52), the shaft hole (A52) is hinged to the bottom plate (A53) of the traction tackle and arranged beside the holding strip (A51), one end of the shaft hole (A52) is abutted to the holding strip (A51), and the other end of the shaft hole faces the outer side of the clamp (A5);
the driving mechanism comprises a driven wheel (A1) arranged at one end of the traction slide rail (7) and a driving wheel (A8) arranged at the other end of the traction slide rail (7), traction steel wire ropes (A10) are arranged on the driven wheel (A1) and the driving wheel (A8), and the traction tackle (A4) is fixedly connected with the traction steel wire ropes (A10); the driving wheel (A8) is connected with a traction driving motor (A9) through a traction clutch (A11) and a gearbox;
the driving mechanism also comprises a plurality of supporting wheels (A6) for supporting the traction steel wire rope (A10); stopping blocks (A3) for preventing the traction tackle (A4) from derailing are arranged at the two ends of the traction sliding rail (7); a proximity switch and a travel switch which are connected with a control system are respectively arranged at two ends of the traction sliding rail (7);
the steel bar butt welding traction system (A) is provided with a foot switch which is connected with the control system and is used for controlling the traction tackle (A4) to walk.
5. The system of claim 1, wherein: the butt-welded steel bar straightening mechanism (B) comprises a winch (B1), and one end of a pulley block (B2) is fixedly arranged on the winch (B1); one end of the pulley block (B2) is connected with one end of the movable clamp (B4), and the other end of the movable clamp (B4) is connected with the homing device (B6); the device also comprises a fixed clamp (B7) which is combined with the movable clamp (B4) and has a certain distance with the movable clamp (B4).
6. The system of claim 5, wherein: the certain distance is more than 0 meter; the movable clamp (B4) comprises a clamp connecting piece (B41), two symmetrically arranged short clamping bars (B45) and two symmetrically arranged clamp connecting rods (B42); one ends of the two clamp connecting rods (B42) are hinged and then connected with the clamp connecting piece (B41); one end of each of the two short clamping strips (B45) is hinged with the other end of each of the two clamp connecting rods (B42), and the other end of each of the two short clamping strips is hinged with the clamp bottom plate (B46); the clamp connecting piece (B41) is connected with one end of the pulley block (B2) through a tensile steel wire rope (B3); two sides of the clamp bottom plate (B46) are respectively provided with a spring seat (B44), and a boosting spring (B43) is arranged between the two spring seats (B44) and the other ends of the two clamp connecting rods (B42); the fixed clamp (B7) is structurally the same as the movable clamp (B4), except that a clamp connecting piece (B41) is anchored with the ground;
the homing device (B6) comprises a counterweight (B61); the counterweight (B61) is arranged on the homing device frame (B62) in a vertically sliding manner, and the homing device frame (B62) is also provided with a lifting pulley block (B63); one end of a drawing steel wire rope (B3) is connected with the other end of the movable clamp (B4), and the other end is connected with a counterweight (B61) through a diverting pulley (B5) and a lifting pulley block (B63).
7. The system of claim 6, wherein: the short clamping strips (B45) are arc-shaped, and one side of the short clamping strips which is protruded is provided with a group of inverted teeth (A51 a) in the same direction or two groups of inverted teeth (A51 a) which are symmetrically arranged in opposite directions; two ends of the short holding strip (B45) are also provided with shaft holes (A51B); the inverted tooth inclination angle (Aa) of the inverted tooth (A51 a) is 20 +/-5 degrees.
8. The automatic fixed-length blanking machine (C) for the butt-welded steel bars according to claim 1, characterized in that:
the reinforcing steel bar length fixing and discharging mechanism (C100) comprises a door-shaped reinforcing steel bar sliding rail (C102) with a downward opening, a reinforcing steel bar pushing chute (C104) which is in lateral sliding fit with the reinforcing steel bar sliding rail (C102) is arranged above the reinforcing steel bar sliding rail (C102), and the reinforcing steel bar sliding rail (C102) and the reinforcing steel bar pushing chute (C104) are connected with each other through at least two discharging driving devices (C112); the discharging driving device is connected with the control system;
the steel bar pushing chute (C104) is provided with a plurality of fixed long holes (C108) with the same and/or different intervals, one of the fixed long holes (C108) is arranged at the tail end of the steel bar pushing chute (C104), a trigger piece (C106) is arranged in the fixed long hole, and the trigger piece (C106) is matched with an emergency stop travel switch (C114) for emergently stopping the blanking machine; a trigger piece (C106) is arranged in one of the other fixed-length holes (C108) except the fixed-length hole (C108) arranged at the tail end of the steel bar pushing chute (C104), the distance between the fixed-length hole (C108) and the steel bar cutting machine (C10) is the length of the butt-welded steel bar needing blanking, and the trigger piece (C106) is matched with a fixed-length stopping device (C110); the fixed-length stop device (C110) is a fixed-length travel switch (C110 a); the emergency stop travel switch (C114) and the fixed-length travel switch (C110 a) are respectively connected with the control system;
a steel bar bending prevention device (C20) is arranged between the steel bar cutter (C10) and the steel bar feeding mechanism (C200), the steel bar bending prevention device (C20) comprises an elastic upright post, and at least one pulley is fixedly arranged at the upper end of the elastic upright post;
the steel bar feeding mechanism (C200) comprises a feeding rack (C214), and at least one group of mutually matched feeding wheels (C204) are arranged on the feeding rack (C214);
the group of material conveying wheels (C204) comprises two material conveying wheels (C204) which are arranged oppositely, wherein one material conveying wheel is a driving wheel, and the other material conveying wheel is a driven wheel.
9. The automatic length-fixing blanking machine (C) for the butt-welded steel bars according to claim 8, characterized in that:
the discharging driving device (C112) comprises a discharging cylinder (C112 a), a piston rod of the discharging cylinder (C112 a) is fixedly connected with the M-shaped positioning chute (C112 b), and the discharging cylinder (C112 b) is fixedly connected with the steel bar pushing chute (C104);
the sliding chute (112 b) is provided with two sliding chutes with downward openings, an upper positioning wheel (C112C) used for limiting the lower limit of the up-and-down jumping position of the steel bar pushing-out sliding chute (C104) and lifting the steel bar pushing-out sliding chute (C104) when the steel bar pushing-out sliding chute (C104) slides out of the steel bar sliding rail (C102) is arranged in one sliding chute, the upper positioning wheel (C112C) is fixedly connected with the steel bar sliding rail (C102) and is in sliding fit with the unloading cylinder (C112 b), a lower positioning wheel (C112 d) used for limiting the upper limit of the up-and-down jumping position of the steel bar pushing-out sliding chute (C104) and pressing the steel bar pushing-out sliding chute (C104) when the steel bar pushing-out sliding chute (C104) slides into the steel bar sliding rail (C102) is arranged in the other sliding chute, and the lower positioning wheel (C112 d) is;
the initial end of the reinforcing steel bar pushing chute (C104) is provided with an initial end bell mouth (C120) for guiding the reinforcing steel bar to enter the reinforcing steel bar pushing chute (C104); the tail end of the reinforcing steel bar pushing chute (C104) is provided with a tail end sliding rail (C116) which is used for assisting the reinforcing steel bar pushing chute (C104) to slide and resisting the impact of the reinforcing steel bars so as to keep the position of the reinforcing steel bar pushing chute (C104) in the length direction of the reinforcing steel bar sliding rail (C102), the tail end sliding rail (C116) is in sliding fit with the tail end sliding rail (C118), and the tail end sliding rail (C118) is fixedly matched with the reinforcing steel bar sliding rail (C102); a temporary storage rack (C122) for temporarily storing the cut and butt-welded steel bars is also arranged below the steel bar sliding rail (C102); the conveying wheel (C204) comprises a flexible wheel (C204 a), and the outer circumferential surface of the flexible wheel (C204 a) is coated with a chain (C204 b) which is used for meshing steel bars and adapting to the high temperature of welding steel bar points;
the driving wheel is fixedly arranged on a clutch frame (C208) used for enabling the driving wheel to be close to and far away from the driven wheel, the clutch frame (C208) is in sliding fit with the feeding rack (C214) and is connected with a piston rod of a clutch cylinder (C210), and the clutch cylinder (C210) is fixedly arranged on the feeding rack (C214);
the upstream end and the downstream end of the feeding rack (C214) are respectively provided with a positioning device (C202); the positioning device (C202) comprises a pinch roller (C201 b) and a runner (C201C) which are matched with each other, the runner (C201C) is positioned below, and the pinch roller (C201 b) is arranged above through a pinch roller shock absorber (C201 a); a carrier roller (C206) for bearing the butt-welded steel bars is arranged between the two adjacent material conveying wheels (C204);
the upstream end of the feeding rack (C214) is also provided with a material-free parking device (C212), the material-free parking device (C212) comprises an upper wheel (C212 a) and a lower wheel (C212 b), the upper wheel (C212 a) and the lower wheel (C212 b) are hinged together through a connecting piece, a material-free parking travel switch (C212C) is arranged beside the lower wheel (C212 b), and the material-free parking travel switch (C212C) is connected with the control system;
when the steel bars are between the upper wheel (C212 a) and the lower wheel (C212 b) after butt welding, the upper wheel (C212 a) is separated from the lower wheel (C212 b), when the steel bars are conveyed after butt welding, the upper wheel (C212 a) falls down, a no-material stop travel switch (C212C) is triggered, and the machine stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320679465.5U CN203635819U (en) | 2013-10-31 | 2013-10-31 | Butt-welded steel bar blanking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320679465.5U CN203635819U (en) | 2013-10-31 | 2013-10-31 | Butt-welded steel bar blanking system |
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| Publication Number | Publication Date |
|---|---|
| CN203635819U true CN203635819U (en) | 2014-06-11 |
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|---|---|---|---|
| CN201320679465.5U Expired - Lifetime CN203635819U (en) | 2013-10-31 | 2013-10-31 | Butt-welded steel bar blanking system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551473A (en) * | 2013-10-31 | 2014-02-05 | 成都银线电杆有限公司 | Post-butting welding steel bar blanking system |
-
2013
- 2013-10-31 CN CN201320679465.5U patent/CN203635819U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551473A (en) * | 2013-10-31 | 2014-02-05 | 成都银线电杆有限公司 | Post-butting welding steel bar blanking system |
| CN103551473B (en) * | 2013-10-31 | 2016-03-23 | 成都银线电杆有限公司 | To postwelding Steel Reinforcing Bar Material system |
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