CN108145295B - Automatic production line for steel bar ladders - Google Patents
Automatic production line for steel bar ladders Download PDFInfo
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- CN108145295B CN108145295B CN201711490255.0A CN201711490255A CN108145295B CN 108145295 B CN108145295 B CN 108145295B CN 201711490255 A CN201711490255 A CN 201711490255A CN 108145295 B CN108145295 B CN 108145295B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 92
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 63
- 239000010959 steel Substances 0.000 title claims abstract description 63
- 238000003466 welding Methods 0.000 claims abstract description 307
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000007306 turnover Effects 0.000 claims abstract description 32
- 238000009826 distribution Methods 0.000 claims abstract description 28
- 230000002787 reinforcement Effects 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 43
- 229910052802 copper Inorganic materials 0.000 claims description 43
- 239000010949 copper Substances 0.000 claims description 43
- 210000003205 muscle Anatomy 0.000 claims description 25
- 238000005520 cutting process Methods 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 17
- 230000008439 repair process Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 13
- 230000007547 defect Effects 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 210000002435 tendon Anatomy 0.000 description 7
- 239000011435 rock Substances 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/02—Pressure butt welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
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Abstract
The invention discloses an automatic production line of a reinforcement ladder, which comprises a straightening zone, a reinforcement distribution zone, a welding zone and a finished product zone which are sequentially arranged according to a production process, wherein materials are transported between the zones through a conveying line; the straightening area straightens the long bars through a drawing straightening machine and conveys the long bars to the bar distributing area through a conveying line; the rib distribution area comprises a long rib distribution area in which a plurality of long ribs are arranged in parallel along the transportation direction of the conveying line and a short rib distribution area in which a plurality of short ribs are arranged between the long ribs at intervals along the length direction of the long ribs; the welding area comprises a welding device for welding the long bars and the short bars conveyed by the bar distribution area to form a steel bar ladder; the finished product area comprises a discharging turnover mechanism for discharging the steel bar ladder conveyed by the welding area and a finished product bin for storing the steel bar ladder discharged by the discharging turnover mechanism. The automatic production line of the steel bar ladder has the advantages of high automation degree and good stability, effectively improves the production efficiency and the production capacity, and ensures that the product quality is stable and the product yield is improved.
Description
Technical Field
The invention relates to the field of mechanical automation, in particular to an automatic production line of a steel bar ladder.
Background
The soft rock tunnel engineering is a main component part of the soft rock engineering, a plurality of coal mine tunnels in China are arranged in soft surrounding rock, the soft surrounding rock has the characteristics of low strength, high expansibility, high rheological property and the like, the safety production and economic benefits of mines are affected, along with the development of coal industry, the mining depth is increased, and the serious soft rock tunnel supporting technical problem exists in a plurality of mines in China at present.
At present, the steel bar ladder for soft rock roadway anchor net spray support is large in use amount, and is mostly welded manually, so that the efficiency is low, the quality stability is poor, and the cost is high. The automatic welding process technology of the steel bar ladder is not mature, mature and efficient special equipment for welding the steel bar ladder is not developed in the market, but along with the increase of the using amount of the steel bar ladder, the low-efficiency manual welding process is not suitable for the development requirements of enterprises, and the welding bar ladder welding equipment is in the technical state of manual operation and welding bar welding, so that a great deal of manpower is required to be consumed, the welding quality is unstable, the production cost is high, and the production efficiency is low.
In summary, developing an automatic production line for steel ladders is important to promote industrial chain stretching of coal mine enterprises, improve work efficiency, and reduce welding cost and production cost of the steel ladders.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides an automatic production line of the mining reinforcement ladder, which has the advantages of high automation degree, good stability, effective improvement of production efficiency and production capacity, stable product quality and improved product yield.
In order to solve the technical problems, the invention adopts the following technical scheme: the automatic production line of the mining reinforcement ladder comprises two long ribs which are parallel to each other and a plurality of short ribs which are arranged between the two long ribs and are respectively connected with the two long ribs, wherein the production line comprises a straightening area, a rib distribution area, a welding area and a finished product area which are sequentially arranged according to a production process, and materials are transported between the areas through a conveying line;
the straightening zone comprises a drawing straightener, and the drawing straightener straightens the long bars and conveys the long bars to the bar distribution zone through a conveying line;
The long rib distributing area comprises a long rib distributing area and a short rib distributing area, the long rib distributing area is arranged between the straightening area and the short rib distributing area, the long rib distributing area comprises a long rib distributing device, the long rib distributing device can parallelly place a plurality of long ribs along the conveying direction of the conveying line and convey the long ribs to the short rib distributing area through the conveying line, the short rib distributing area comprises a short rib distributing device, and the short rib distributing device can place a plurality of short ribs between the long ribs at intervals along the length direction of the long ribs and convey the long ribs and the short ribs to the welding area through the conveying line;
the welding area comprises a welding device, the welding device is used for welding the long bars and the short bars conveyed by the short bar distribution area to form a steel bar ladder, a fixed-length cutting machine is arranged between the welding area and the finished product area, the steel bar ladder can be cut according to different cutting length requirements, so that steel bar ladders with different length specifications are obtained, and the steel bar ladders are conveyed to the finished product area by the conveying line;
the finished product area comprises a discharging turnover mechanism for discharging the steel bar ladder conveyed by the welding area, and a finished product bin for storing the steel bar ladder discharged by the discharging turnover mechanism.
By adopting the structure, each processing area is connected to form the assembly line type production line through the conveying line, so that the assembly line type operation of the steel bar ladder production is realized, the automatic production line of the steel bar ladder is utilized to replace the traditional manual welding process, the automation degree is high, the labor intensity is low, the production efficiency and the production capacity are effectively improved, the labor is saved, and the product quality is stable and the product yield is improved.
Preferably, the long rib distributing device comprises a long rib bin, a long rib distributing bin and a long rib feeding mechanism, wherein the long rib bin is communicated with the long rib distributing bin, the long rib bin is used for placing the straightened long rib and providing the long rib for the long rib distributing bin, a long rib distributing opening is formed in the bottom of the long rib distributing bin, the length direction of the long rib distributing opening is identical to the conveying direction of the conveying line, and the long rib feeding mechanism controls the long rib distributing bin to parallelly place a plurality of long ribs along the conveying direction of the conveying line.
Preferably, the short rib arrangement device comprises a short rib arrangement bin and a short rib arrangement mechanism, wherein a short rib arrangement opening opposite to the surface of the conveying line is formed in the bottom end of the short rib arrangement bin, a gate used for opening and closing the short rib arrangement opening is arranged at the short rib arrangement opening, the short rib arrangement mechanism comprises a rib arrangement controller and a sensor used for detecting rib arrangement points, the sensor is connected with the rib arrangement controller and can transmit signals to the rib arrangement controller, and the rib arrangement controller controls the gate of the short rib arrangement bin to open and orderly release the short ribs, so that the short ribs can fall between the long ribs along the length direction interval of the long ribs.
Specifically, the sensor can be a time relay or a length sensor, and when the sensor detects a set value, a signal is transmitted to the tendon distribution controller to control the tendon distribution of the short tendon distribution bin.
Specifically, the shape of the short rib cloth opening is consistent with the shape of the short rib, and the geometric dimension of the short rib cloth opening is larger than that of the short rib, so that the short rib can orderly fall between the long ribs from the short rib cloth opening.
Preferably, the rib arrangement device can reciprocate in the vertical direction, a distance sensor for sensing the distance between the short rib arrangement opening and the conveying line is arranged at the short rib arrangement opening, the distance sensor can transmit signals to the short rib arrangement mechanism, when the short rib arrangement bin moves towards the conveying line, the distance sensor transmits signals to the short rib arrangement mechanism when the distance between the short rib arrangement opening and the conveying line reaches a set value, the short rib arrangement mechanism controls the gate to be opened, and the short rib falls from the short rib arrangement opening to between the long ribs.
Adopt the distance sensor response short muscle cloth muscle mouth with distance between the transfer chain, simple structure, more sensitive, accurate control the time of dropping of short muscle and position that drops avoid short muscle unexpected drops and drags slow production rate, influences the orderly going on of production process, just short muscle is being far away from the production line falls down when being nearer, effectively reduces short muscle is right the impact of transfer chain when falling down, and prevent short muscle spring up and change the position that drops, guaranteed the structure and the quality of shaping bar ladder.
Specifically, the shape of the short rib is any one of a 'one' type, a 'pi' type and an 'H' type.
Preferably, the number of the short rib distributing bins is multiple, and the short rib distributing bins are parallel and uniformly distributed along the transportation direction of the conveying line at intervals. The short rib distributing efficiency can be effectively increased by the plurality of rib distributing bins, so that the production efficiency of the production line is improved.
Preferably, the welding device comprises a supporting base, a welding mechanical arm and a welding electrode arranged at the end part of the welding mechanical arm,
The welding mechanical arm is arranged at the side of the supporting base, the welding electrode is two parallel welding copper bars, and the welding mechanical arm can drive the welding electrode to move in the vertical direction and the horizontal direction;
The middle part of the supporting base is provided with a welding groove arranged along the transportation direction of the conveying line, the welding groove is communicated with the transportation channel of the conveying line, and the bottom of the welding groove is provided with a welding pressure-bearing copper block matched with the welding electrode; when the long rib and the short rib pass through the welding groove, the welding mechanical arm drives the welding electrode to move, so that the welding point of the long rib and the short rib is positioned between the welding electrode and the welding pressure-bearing copper block, and the welding electrode and the welding pressure-bearing copper block are matched to realize the welding of the long rib and the short rib.
Specifically, the welding device further comprises a pressing mechanism, the pressing mechanism comprises mechanical pressing blocks which are oppositely arranged at two sides of the welding groove, the mechanical pressing blocks are used for applying inward pressure to the long ribs, when the welding electrode is matched with the welding pressure-bearing copper block to heat the welding points of the long ribs and the short ribs to a plastic state, the mechanical pressing blocks apply inward pressure to the long ribs to enable the long ribs and the short ribs to be further attached, and the long ribs and the short ribs are welded and connected.
By adopting the structure, the welding mechanical arm can drive the welding electrode to move in the vertical direction and the horizontal direction, the operation is flexible and the welding can be accurately performed aiming at the welding point, the welding electrode and the welding pressure-bearing copper block are matched to heat the welding point of the long rib and the short rib, when the welding point is heated to a plastic state, the welding is completed by powering off and applying inward pressure to the long rib through the pressure applying mechanism, the welding process is more stable, welding rods and welding wires are not needed, the welding cost is low, the operation is simple and flexible, the production efficiency is high, the mass production can be performed by adding a production line, the pressure butt welding heating time is short, the heat concentration is small, the deformation and the stress of the steel bar are small, the welding rate is high, the welding effect is good, and the quality of the obtained steel bar ladder is better.
Preferably, the welding electrode is two parallel arrangement's welding bar copper, the welding end of welding bar copper is equipped with the chamfer, the inclined plane of chamfer can be pressed corresponding the outside surface of long muscle, during welding the welding arm drive the welding bar copper to the direction motion that long muscle is located, the inclined plane of chamfer with the outside surface contact of long muscle, just the chamfer can be followed the motion of welding bar copper is to the inside pressure is applyed to long muscle. The welding copper bar moves towards the direction where the long rib is located, the welding copper bar is matched with the welding pressure-bearing copper block to heat the welding point of the long rib and the short rib to a plastic state, in the heating process, the inclined plane of the chamfer is pressed on the outer side surface of the corresponding long rib, and inward pressure is applied to the long rib along with the movement of the welding copper bar, so that the long rib and the short rib are further attached to each other, and the welding connection of the long rib and the short rib is realized. By adopting the structure, pressure butt welding can be realized without adding a pressing mechanism, the welding copper bar moves towards the direction where the long rib is located and is welded, and the welding copper bar continues to move to apply inward pressure to the long rib.
Preferably, the number of the welding devices is a plurality, and the plurality of the welding devices are parallel and uniformly distributed at intervals along the conveying direction of the conveying line. The welding device can effectively increase the welding speed, so that the production efficiency of the production line is improved.
Further, a welding detection area is arranged between the welding area and the finished product area, the welding detection area comprises a welding detection device and a repair welding device, the welding detection device comprises a welding seam detector, the welding seam detector is connected with the repair welding device and can transmit signals to the repair welding device, the welding seam welding device is identical to the welding device of the welding area in structure, and the repair welding device receives the signals transmitted by the welding seam detector and repair welds welding defects. The welding detection area is increased, the rejection rate of products is effectively reduced, the quality of the products is improved, the production stability of the production line is good, and the overall production efficiency is high.
Preferably, the straightening zone is provided with double rows of drawing straightening machines, so that the straightening speed and the straightening quality of the reinforcing steel bars are effectively improved.
Further, the finished product bin is arranged on the side edge of the unloading turnover mechanism, the unloading turnover mechanism comprises an unloading turnover table, a pressure sensor, a hydraulic cylinder and a controller, a support frame is arranged at the bottom of one side of the unloading turnover table, which is close to the finished product bin, the support frame comprises a plurality of support columns which are vertically arranged on the ground, and a cross rod which is horizontally arranged at the top of the columns, one side of the unloading turnover table, which is close to the finished product bin, is hinged with the cross rod and can rotate around the cross rod, a plurality of hydraulic cylinders are arranged at the bottom of the other side of the unloading turnover table, which is opposite to the cross rod, and the hydraulic cylinders are of a telescopic structure, and can support the unloading turnover table and enable the unloading turnover table to incline to the finished product bin by a certain angle so as to unload; the pressure sensor is used for detecting the bearing capacity of the unloading overturning platform, the pressure sensor is connected with the controller and can transmit signals to the controller, the controller can control the electromagnetic valve of the hydraulic cylinder to operate, and the electromagnetic valve controls the expansion and contraction of the hydraulic cylinder.
By adopting the structure, when the pressure sensor detects that the weight of the steel bar ladder borne by the unloading overturning platform reaches a set value, the pressure sensor transmits a signal to the controller, the controller controls the electromagnetic valve to operate, the electromagnetic valve controls the hydraulic cylinder to extend, so that the unloading overturning platform rotates around the cross rod by a certain angle, the steel bar ladder slides from the surface of the unloading overturning platform to the inside of the finished product bin to finish unloading, then the hydraulic cylinder contracts, and the unloading overturning platform rotates to a horizontal position. Therefore, the finished product area can complete automatic discharging, manual carrying is not needed, the discharging efficiency is high, the labor intensity of workers is reduced, the labor is saved, the production cost is reduced, and the production efficiency is improved.
Preferably, the automatic production line of the steel bar ladder comprises a control cabinet, wherein the control cabinet comprises a display screen of an operation table, and the control cabinet is respectively connected with the drawing straightener, the welding device and the fixed-length cutting machine and used for automatically controlling the drawing straightener and the welding device.
Further, the control cabinet comprises an automatic control system, and the automatic control system adopts PLC programming, so that the reliability is high and the anti-interference capability is strong.
Specifically, the diameters of the reinforcing steel bars adopted by the long ribs and the short ribs are 10mm-12mm.
The automatic production line of the steel bar ladder has the following beneficial effects:
1. The automatic production line of the steel bar ladder comprises a straightening area, a rib distributing area, a welding area and a finished product area which are sequentially arranged according to a production process, wherein materials are transported between the areas through a conveying line to form a production line, so that the production line of the steel bar ladder is realized, the automatic production line of the steel bar ladder is utilized to replace the traditional manual welding process, the automatic production line of the steel bar ladder is high in automation degree and low in labor intensity, the production efficiency and the production capacity are effectively improved, and the product quality is stable, and the product yield is improved.
2. The automatic production line of the steel bar ladder is suitable for short bars in the shapes of ' I ' -shaped ' and ' pi ' -shaped, and the like, and the production line also comprises a cutting machine for cutting the steel bar ladder to a fixed length, namely, the steel bar ladder with different specifications and sizes can be produced, the compatibility is good, the practicability is strong, and different requirements of customers on the steel bar ladder can be met.
3. According to the automatic production line of the steel bar ladder, the short steel bar distributing device and the welding device are of movable structures, can move according to the setting of the control system, meet various station requirements, are flexible and accurate in operation, are multiple in number, effectively improve the steel bar distributing speed and the welding speed, and remarkably improve the production efficiency.
4. According to the automatic production line of the steel bar ladder, the welding electrode is matched with the welding pressure-bearing copper block to heat the welding points of the long rib and the short rib, when the welding points are heated to a plastic state, the power is cut off, inward pressure is applied to the long rib through the pressure applying mechanism to finish welding, namely, the welding mode of pressure butt welding is adopted to replace the traditional welding mode of a welding rod, the welding process is more stable, welding rods and welding wires are not needed, the welding cost is low, the welding speed is high, the welding effect is good, and the quality of the obtained steel bar ladder is better.
5. The automatic production line of the steel bar ladder is characterized in that a control cabinet is respectively connected with a drawing straightener, a welding device and a fixed-length cutting machine and used for automatically controlling the drawing straightener, the welding device and the fixed-length cutting machine, and PLC programming is adopted to integrate and compile the process control of the three steps into a corresponding software automatic control system, namely, the parameters in the three steps can be directly adjusted through an operation table of the control cabinet, so that the automation of the production line is realized, the integration level is high, the operation is simple and convenient, the reliability is high, and the stability is good.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of a principle layout of the reinforcement bar ladder automation line of the present invention;
fig. 2 is a top view of a schematic layout of the automated production line of reinforcement ladders of the present invention;
fig. 3 is a schematic view of a part of the structure of the automatic production line of the reinforcement bar ladder of the invention;
FIG. 4 is a schematic view showing a part of the structure of a welding device according to a first embodiment of the present invention;
Fig. 5 is a schematic view of a part of the structure of a welding device in a second embodiment of the present invention;
fig. 6 is a schematic view of a reinforcement ladder of the present invention having a short bar of the type one type;
Fig. 7 is a schematic diagram of a reinforcement ladder with "pi" shaped short ribs according to the present invention;
Fig. 8 is a schematic diagram of the reinforcement ladder structure of the rapid-penetration H-shaped short rib.
Wherein, the reference numerals in the figures correspond to: 1-straightening area, 11-drawing straightening machine, 2-bar distribution area, 21-long bar distribution area, 211-long bar bin, 212-long bar distribution bin, 213-long bar feeding mechanism, 22-short bar distribution area, 221-short bar distribution bin, 222-short bar feeding mechanism, 223-short bar distribution opening, 3-welding area, 31-welding device, 311-supporting base, 312-welding mechanical arm, 313-welding electrode, 314-welding groove, 315-welding pressure bearing copper block, 316-mechanical pressurizing block, 317-corner cut, 4-finished product area, 41-unloading overturning table, 411-hydraulic cylinder, 42-finished product bin, 5-conveying line, 6-reinforcing bar ladder, 61-long bar, 62-short bar, 7-fixed length cutting machine, 8-control cabinet and 9-power distribution cabinet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
The common reinforcement ladder comprises two long ribs parallel to each other and a plurality of short ribs arranged between the two long ribs and connected with the two long ribs respectively, and the embodiment provides an automatic production line of the mining reinforcement ladder, which comprises a straightening area 1, a rib distribution area 2, a welding area 3 and a finished product area 4 which are sequentially arranged according to a production process as shown in fig. 1, 2 and 3, wherein materials are transported between the areas through a conveying line 5;
the straightening zone comprises a drawing straightener 11, the drawing straightener 11 straightens the long bars 61 and conveys the long bars to the bar distribution zone 2 through a conveying line 5, and preferably, the straightening zone is provided with double rows of the drawing straightener 11, so that the straightening speed and the straightening quality of the steel bars are effectively improved;
the rib distributing area 2 comprises a long rib distributing area 21 and a short rib distributing area 22, the long rib distributing area 21 is arranged between the straightening area 1 and the short rib distributing area 22, the long rib distributing area 21 comprises a long rib distributing device, the long rib distributing device can be used for arranging two long ribs in parallel along the conveying direction of the conveying line 5 and conveying the long ribs to the short rib distributing area 22 through the conveying line 5, the short rib distributing area 22 comprises a short rib distributing device, and the short rib distributing device can be used for arranging a plurality of short ribs 62 between the long ribs 61 at intervals along the length direction of the long ribs 61 and conveying the long ribs 61 and the short ribs 62 to the welding area 3 through the conveying line 5;
The welding area 3 comprises a welding device 31, the welding device 31 is used for welding the long bars 61 and the short bars 62 conveyed by the short bar distributing area 22 to form a steel bar ladder 6, a fixed-length cutting machine 7 is arranged between the welding area 3 and the finished product area 4, the steel bar ladder 6 can be cut according to different cutting length requirements, so that steel bar ladders with different length specifications are obtained, and the steel bar ladder 6 is conveyed to the finished product area 4 by the conveying line 5;
the finished product area 4 comprises a discharging turnover mechanism 41 for discharging the reinforcement ladders 6 conveyed by the welding area 3, and a finished product bin 42 for storing the reinforcement ladders discharged by the discharging turnover mechanism 41.
By adopting the structure, each processing area is connected to form a pipelining production line through the conveying line 5, so that pipelining operation of the production of the steel bar ladder 6 is realized, the automatic production line of the steel bar ladder 6 is utilized to replace the traditional manual welding process, the automation degree is high, the labor intensity is low, the production efficiency and the production capacity are effectively improved, the labor is saved, and the product quality is stable and the product yield is improved.
The long rib distributing device comprises a long rib bin 211, a long rib distributing bin 212 and a long rib feeding mechanism 213, wherein the long rib bin 211 is communicated with the long rib distributing bin 212, the long rib bin 211 is used for placing the straightened long ribs 61 and providing the long ribs 61 for the long rib distributing bin 212, a long rib distributing opening is formed in the bottom of the long rib distributing bin 212, the length direction of the long rib distributing opening is identical to the conveying direction of the conveying line 5, and the long rib feeding mechanism 213 controls the long rib feeding mechanism 212 to parallelly place a plurality of the long ribs 61 along the conveying direction of the conveying line 5.
The short rib arranging device can reciprocate in the vertical direction, the short rib arranging device comprises a short rib arranging bin 221 and a short rib arranging mechanism 222, the short rib arranging mechanism 222 comprises a rib arranging controller and a sensor for detecting rib arranging points, and the sensor is connected with the rib arranging controller and can transmit signals to the rib arranging controller; the bottom end of the short rib distributing bin 221 is provided with a short rib distributing opening 223 opposite to the surface of the conveying line 5, a gate for opening and closing the short rib distributing opening 223 is arranged at the short rib distributing opening 223, the short rib feeding mechanism 222 comprises a rib distributing controller and a sensor for detecting rib distributing points, and the sensor is connected with the rib distributing controller and can transmit signals to the rib distributing controller; when the sensor detects a rib distributing point, the sensor signals are sent to the rib distributing controller, the rib distributing controller controls the short rib distributing bin 221 to descend to approach the rib distributing point, when the distance between the rib distributing opening 223 and the conveying line 5 reaches a set value, the distance sensor 224 transmits signals to the short rib feeding mechanism 222, the short rib feeding mechanism 222 controls the gate to open, and the short rib 62 falls from the rib distributing opening 223 to the long rib 61 to finish short rib distributing.
Adopt the distance sensor 224 response cloth muscle mouth 223 with distance between the transfer chain 5, simple structure, more sensitive, accurate control the time of dropping and the position that drops of short muscle 62 are avoided short muscle 62 accident drops and drags slow production rate, influence the orderly going on of production process, just short muscle 62 is being far away from the production line falls down when being nearer, effectively reduces short muscle 62 is down to the impact of transfer chain 5, and prevent short muscle 62 spring up and change the position that drops, guaranteed the structure and the quality of shaping bar ladder 6.
The sensor may be a time relay or a length sensor, in this embodiment, a length sensor is used, the fixed length corresponds to a distance between the tendon distribution points, and when the sensor detects a set length value, a signal is transmitted to the tendon distribution controller to control the tendon distribution of the short tendon distribution bin 221. The shape of the short rib distributing opening 223 is consistent with the shape of the short rib 62, and the geometric dimension of the short rib distributing opening 223 is slightly larger than that of the short rib 62, so that the short rib 62 can orderly fall between the two long ribs 61 from the short rib distributing opening 223.
As shown in fig. 6, 7 and 8, the short rib 62 has any one of a "one" shape, an "pi" shape and an "H" shape. When the short rib 62 is "one", the end surfaces of the two ends of the "one" short rib are respectively connected with the side walls of the long rib 61; when the short rib 62 is n-shaped, the two opposite side surfaces of the n-shaped short rib are respectively connected with the side wall of the long rib 61; when the short rib 62 is in an "H" shape, the surfaces of two opposite sides of the "H" shape short rib are respectively connected with the side walls of the long rib 61; and the contact area between the short rib 62 and the long rib 61 is an H-shaped short rib 62, an n-shaped short rib 62 and an one-shaped short rib 62 in sequence from small to large, and under the condition that other factors are inconvenient, the larger the contact area between the short rib 62 and the long rib 61 is, the more firm the connection between the short rib 62 and the long rib 61 is, and the larger the strength of the steel bar ladder 6 is. Therefore, the reinforcement ladder with corresponding structure can be produced and provided according to different application environments or different requirements of customers on the strength of the reinforcement ladder.
The number of the short rib distributing bins 221 may be plural, preferably, in this embodiment, the number of the short rib distributing bins 221 is five, and the five short rib distributing bins 221 are parallel and uniformly distributed along the transportation direction of the conveying line 5 at intervals. The plurality of short rib distributing bins 221 can effectively increase the rib distributing efficiency of the short ribs 62, thereby improving the production efficiency of the production line.
As shown in fig. 4, the welding device 31 includes a support base 311, a welding robot 312 and a welding electrode 313 provided at an end of the welding robot,
The welding mechanical arm 312 is disposed at a side of the support base 211, the welding electrode 313 is two parallel welding copper bars, and the welding mechanical arm 312 can drive the welding electrode 313 to move in a vertical direction and a horizontal direction;
A welding groove 314 is formed in the middle of the supporting base 311 and is arranged along the conveying direction of the conveying line 5, the welding groove 314 is communicated with the conveying channel of the conveying line 5, and a welding pressure-bearing copper block 315 matched with the welding electrode 313 is arranged at the bottom of the welding groove 314; when the long rib 61 and the short rib 62 pass through the welding groove 314, the welding mechanical arm 312 drives the welding electrode 313 to move, so that a welding point between the long rib 61 and the short rib 62 is located between the welding electrode 313 and the welding pressure-bearing copper block 315, and the welding electrode 313 and the welding pressure-bearing copper block 315 cooperate to realize welding of the long rib 61 and the short rib 62.
The welding device 31 further includes a pressing mechanism, the pressing mechanism includes mechanical pressing blocks 316 disposed opposite to two sides of the welding groove, the mechanical pressing blocks 316 are used for applying inward pressure to the long ribs 61, when the welding electrode 313 and the welding pressure-bearing copper block 315 cooperate to heat the welding point of the long ribs 61 and the short ribs 62 to a plastic state, the mechanical pressing blocks 316 apply inward pressure to the long ribs 61 to enable the long ribs 61 to be further attached to the short ribs 62, so as to realize welding connection between the long ribs 61 and the short ribs 62.
By adopting the above structure, the welding mechanical arm 312 can drive the welding electrode 313 to move in the vertical direction and the horizontal direction, the operation is flexible and the welding can be accurately performed aiming at the welding point, the welding electrode 313 and the welding pressure-bearing copper block 315 are matched to heat the welding point of the long rib 61 and the short rib 62, when the welding point is heated to a plastic state, the welding is completed by powering off and applying inward pressure to the long rib 61 through the pressure applying mechanism, the welding process is more stable by adopting the welding mode of the pressure butt welding compared with the traditional welding mode of welding by adopting the welding rod, welding electrodes and welding wires are not needed, the welding cost is low, the operation is simple and flexible, the production efficiency is high, the mass production can be performed by adding a production line, the pressure butt welding heating time is short, the heat is concentrated, the heat area is small, the deformation and the stress of the steel bar are small, the welding speed is high, the welding effect is good, and the quality of the obtained steel bar ladder 6 is better.
The number of the welding devices 31 may be plural, preferably, in this embodiment, the number of the welding devices 31 is three, and the three welding devices 31 are parallel and uniformly distributed at intervals along the transportation direction of the conveyor line 5. A plurality of the welding devices 31 can effectively increase the welding speed, thereby improving the production efficiency of the production line.
As shown in fig. 2 and 3, the finished product bin 42 is arranged at the side edge of the unloading turnover mechanism, the unloading turnover mechanism comprises an unloading turnover table 41, a pressure sensor, a hydraulic cylinder 411 and a controller, a support frame is arranged at the bottom of one side of the unloading turnover table 41, which is close to the finished product bin 42, the support frame comprises a plurality of support columns erected on the ground and a cross rod horizontally arranged at the top of the columns, one side of the unloading turnover table 41, which is close to the finished product bin, is hinged with the cross rod and can rotate around the cross rod, a plurality of hydraulic cylinders 411 are arranged at the bottom of the other side of the unloading turnover table 41, which is opposite to the cross rod, the hydraulic cylinders 411 are of a telescopic structure, and the hydraulic cylinders 411 can support the unloading turnover table 41 and enable the unloading turnover table 41 to incline to the finished product bin by a certain angle so as to unload materials; the pressure sensor is used for detecting the bearing capacity of the unloading overturning table 41, the pressure sensor is connected with the controller and can transmit signals to the controller, the controller can control the electromagnetic valve of the hydraulic cylinder 411 to operate, and the electromagnetic valve controls the expansion and contraction of the hydraulic cylinder 411.
By adopting the structure, when the pressure sensor detects that the weight of the steel bar ladder 6 borne by the unloading overturning platform 41 reaches a set value, the pressure sensor transmits a signal to the controller, the controller controls the electromagnetic valve to operate, the electromagnetic valve controls the hydraulic cylinder 411 to extend, so that the unloading overturning platform 41 rotates around the cross rod by a certain angle, the steel bar ladder 6 slides from the surface of the unloading overturning platform to the inside of the finished product bin to finish unloading, then the hydraulic cylinder 411 contracts, and the unloading overturning platform 41 rotates to a horizontal position. Therefore, the finished product area 4 can complete automatic discharging, manual carrying is not needed, the discharging efficiency is high, the labor intensity of workers is reduced, the labor is saved, the production cost is reduced, and the production efficiency is improved.
The automatic production line of the reinforcement ladder 6 comprises a control cabinet 8 and a power distribution cabinet 9, wherein the control cabinet 8 comprises a display screen of an operation table, and the control cabinet 8 is respectively connected with the drawing straightener 11, the welding device 31 and the fixed-length cutting machine 7 and used for automatically controlling the drawing straightener 11. The control cabinet 8 comprises an automatic control system, and the automatic control system adopts PLC programming, so that the reliability is high and the anti-interference capability is strong.
In this embodiment, the automatic control system includes a straightening control module for controlling the drawing straightener 11, a welding control module for controlling the welding device 31, and a cutting control module for controlling the fixed-length cutting machine 7; the straightening control module can set different drawing straightening speeds for steel bars with different specifications and sizes; the welding control module can set different resistance fusion current values and welding time according to the steel bars with different specifications and sizes, the welding mechanical arm 312 adopts an analytical displacement mechanical arm to set a displacement path of the welding mechanical arm 312 according to the design requirements of different steel bars ladders, for example, a ' one ' -shaped ' type, a ' II ' -shaped type and a ' H ' -shaped welding are adopted, so that the welding mechanical arm 312 can drive the welding electrode 313 to weld according to the arranged displacement points, different pressure parameters are set according to the volumes of welding bodies with different heat capacities, the welding strength and rigidity targets are realized, the welding speed and the welding quality of different parameters and the degree of realizing the welding targets can be compared in production, and an optimal scheme is selected; the cutting control module can set corresponding cutting schemes and cutting parameters according to different cutting length requirements, and the fixed-length cutting machine 7 performs cutting according to system settings.
Preferably, the control cabinet 8 is further provided with a scram button, and when an accident occurs, the scram button can realize scram control of the production line.
Preferably, in this embodiment, the long ribs 61 and the short ribs 62 have a diameter of 12mm.
Embodiment two:
The automatic production line of the reinforcement bar ladder of this embodiment is basically the same as that of the first embodiment, except that, as shown in fig. 5, the welding electrode 313 is two parallel welding copper bars, the welding end of the welding copper bar is provided with a chamfer 317, the inclined surface of the chamfer 317 can be pressed against the corresponding outer side surface of the long rib 61, during welding, the welding mechanical arm 312 drives the welding copper bar to move towards the direction where the long rib 61 is located, the inclined surface of the chamfer 317 contacts with the outer side surface of the long rib 61, and the chamfer 317 can apply inward pressure to the long rib 61 along with the movement of the welding copper bar. Namely, the welding copper rod moves towards the direction where the long rib 61 is located, the welding copper rod and the welding pressure-bearing copper block 315 cooperate to heat the welding point of the long rib 61 and the short rib 62 to a plastic state, in the heating process, the inclined surface of the chamfer 317 is pressed on the outer side surface of the corresponding long rib 61, and inward pressure is applied to the long rib 61 along with the movement of the welding copper rod, so that the long rib 61 and the short rib 62 are further attached to realize the welding connection of the long rib 61 and the short rib 62.
By adopting the structure, pressure butt welding can be realized without adding a pressing mechanism, the welding copper bar moves towards the direction where the long rib is located and is welded, and the welding copper bar continues to move to apply inward pressure to the long rib.
Embodiment III:
The automatic production line of the reinforcement ladder of this embodiment is basically the same as that of the first embodiment, except that a welding detection area (not shown) is provided between the welding area 3 and the finished product area 4, the welding detection area includes a welding detection device and a repair welding device, the welding detection device includes a welding seam detector, the welding seam detector is connected with the repair welding device and can transmit signals to the repair welding device, the welding seam welding device has the same structure as that of the welding device 31 of the welding area 3, and the repair welding device receives the signals transmitted by the welding seam detector and repair welds the welding defect. The welding detection area is increased, the rejection rate of products is effectively reduced, the quality of the products is improved, the production stability of the production line is good, and the overall production efficiency is high.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (8)
1. The utility model provides a bar ladder automated production line, bar ladder includes two long muscle and a plurality of locating that are parallel to each other two between the long muscle and respectively with two the short muscle that long muscle is connected, its characterized in that: the production line comprises a straightening area, a reinforcement distribution area, a welding area and a finished product area which are sequentially arranged according to a production process, and the areas are transported by a conveying line;
the straightening zone comprises a drawing straightener, and the drawing straightener straightens the long bars and conveys the long bars to the bar distribution zone through a conveying line;
The long rib distributing area comprises a long rib distributing area and a short rib distributing area, the long rib distributing area is arranged between the straightening area and the short rib distributing area, the long rib distributing area comprises a long rib distributing device, the long rib distributing device comprises a long rib bin, a long rib distributing bin and a long rib feeding mechanism, the long rib bin is communicated with the long rib distributing bin, the long rib bin is used for placing the straightened long rib and providing the long rib for the long rib distributing bin, a long rib distributing opening is formed in the bottom of the long rib distributing bin, the length direction of the long rib distributing opening is identical to the conveying direction of the conveying line, and the long rib feeding mechanism controls the long rib distributing bin to parallelly place a plurality of long ribs along the conveying direction of the conveying line and convey the long rib to the short rib distributing area through the conveying line; the short rib distributing area comprises a short rib distributing device, the short rib distributing device can reciprocate in the vertical direction, the short rib distributing device comprises a short rib distributing bin and a short rib feeding mechanism, a short rib distributing opening opposite to the surface of the conveying line is arranged at the bottom end of the short rib distributing bin, a gate for opening and closing the short rib distributing opening and a distance sensor for sensing the distance between the short rib distributing opening and the conveying line are arranged at the short rib distributing opening, the short rib feeding mechanism comprises a rib distributing controller and a sensor for detecting a rib distributing point, and the distance sensor and the sensor can transmit signals to the rib distributing controller; when the sensor detects a rib distributing point, the rib distributing controller controls the short rib distributing bin to move towards the conveying line, when the distance between the short rib distributing opening and the conveying line reaches a set value, the distance sensor transmits a signal to the rib distributing controller, and the rib distributing controller controls the gate to open so as to orderly release the short ribs, so that the short ribs can fall between the long ribs at intervals along the length direction of the long ribs, and the long ribs and the short ribs are conveyed to the welding area through the conveying line;
The welding area comprises a welding device, the welding device is used for welding the long bars and the short bars conveyed by the short bar distribution area to form a steel bar ladder, a fixed-length cutting machine for cutting the steel bar ladder is arranged between the welding area and the finished product area, and the cut steel bar ladder is conveyed to the finished product area by the conveying line;
the finished product area comprises a discharging turnover mechanism for discharging the steel bar ladder conveyed by the welding area, and a finished product bin for storing the steel bar ladder discharged by the discharging turnover mechanism.
2. The rebar ladder automation line of claim 1, wherein: the shape of the short rib is any one of a 'one' type, an 'pi' type and an 'H' type.
3. The rebar ladder automation line of claim 1, wherein: the welding device comprises a supporting base, a welding mechanical arm and a welding electrode arranged at the end part of the welding mechanical arm,
The welding mechanical arm is arranged at the side of the supporting base, the welding electrode is two parallel welding copper bars, and the welding mechanical arm can drive the welding electrode to move in the vertical direction and the horizontal direction;
The middle part of the supporting base is provided with a welding groove arranged along the transportation direction of the conveying line, the welding groove is communicated with the transportation channel of the conveying line, and the bottom of the welding groove is provided with a welding pressure-bearing copper block matched with the welding electrode; when the long rib and the short rib pass through the welding groove, the welding mechanical arm drives the welding electrode to move, so that the welding point of the long rib and the short rib is positioned between the welding electrode and the welding pressure-bearing copper block, and the welding electrode and the welding pressure-bearing copper block are matched to realize the welding of the long rib and the short rib.
4. The automated rebar ladder production line of claim 3, wherein: the welding device further comprises a pressing mechanism, the pressing mechanism comprises mechanical pressing blocks which are oppositely arranged on two sides of the welding groove, the mechanical pressing blocks are used for applying inward pressure to the long ribs, when the welding electrodes are matched with the welding pressure-bearing copper blocks to heat the welding points of the long ribs and the short ribs to a plastic state, the mechanical pressing blocks apply inward pressure to the long ribs to enable the long ribs and the short ribs to be further attached, and the long ribs and the short ribs are welded and connected.
5. The automated rebar ladder production line of claim 3, wherein: the welding electrode is two parallel arrangement's welding bar copper, the welding end of welding bar copper is equipped with the chamfer, the inclined plane of chamfer can be pressed corresponding the outside surface of long muscle, during the welding the welding arm drive the welding bar copper to the direction motion that long muscle is located, the inclined plane of chamfer with the outside surface contact of long muscle, just the chamfer can be followed the motion of welding bar copper is right the inside pressure is applyed to long muscle.
6. The rebar ladder automation line of claim 1, wherein: the welding detection area comprises a welding detection device and a repair welding device, wherein the welding detection device comprises a welding seam detector, the welding seam detector is connected with the repair welding device and can transmit signals to the repair welding device, and the repair welding device receives the signals transmitted by the welding seam detector and repair welds welding defects.
7. The rebar ladder automation line of claim 1, wherein: the finished product bin is arranged on the side edge of the unloading turnover mechanism, the unloading turnover mechanism comprises an unloading turnover table, a pressure sensor, a hydraulic cylinder and a controller, a support frame is arranged at the bottom of one side of the unloading turnover table, which is close to the finished product bin, the support frame comprises a plurality of support columns which are vertically arranged on the ground, and a cross rod which is horizontally arranged at the top of the columns, one side of the unloading turnover table, which is close to the finished product bin, is hinged with the cross rod and can rotate around the cross rod, a plurality of hydraulic cylinders are arranged at the bottom of the other side of the unloading turnover table, which is opposite to the cross rod, and the hydraulic cylinders are of a telescopic structure and can support the unloading turnover table and enable the unloading turnover table to incline to the finished product bin by a certain angle so as to unload; the pressure sensor is used for detecting the bearing capacity of the unloading overturning platform, the pressure sensor is connected with the controller and can transmit signals to the controller, the controller can control the electromagnetic valve of the hydraulic cylinder to operate, and the electromagnetic valve controls the expansion and contraction of the hydraulic cylinder.
8. An automated steel reinforcement ladder production line according to any one of claims 1-7, wherein: the automatic production line of the steel bar ladder comprises a control cabinet, wherein the control cabinet comprises a display screen of an operation table, and the control cabinet is respectively connected with the drawing straightener, the welding device and the fixed-length cutting machine and used for automatically controlling the drawing straightener.
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| CN108941867B (en) * | 2018-08-22 | 2019-06-14 | 北京天辰恒正工贸有限公司 | A kind of reinforcing bar stirrup automatic welding unit |
| CN109551006A (en) * | 2018-11-20 | 2019-04-02 | 吴燕红 | A kind of municipal works reinforcing bar transport device |
| CN109822358A (en) * | 2019-04-15 | 2019-05-31 | 唐方方 | The process equipment and preparation method thereof of steel construction wall linked network connector |
| CN111805133B (en) * | 2020-07-21 | 2022-03-04 | 山西荣威科技有限公司 | Ladder type support frame production line based on PLC control and production process thereof |
| CN114563480B (en) * | 2022-04-28 | 2022-07-15 | 四川蜀工公路工程试验检测有限公司 | Road concrete structure strength detection device |
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