CN112978329B - A steel bar feeding system - Google Patents
A steel bar feeding system Download PDFInfo
- Publication number
- CN112978329B CN112978329B CN202110251994.4A CN202110251994A CN112978329B CN 112978329 B CN112978329 B CN 112978329B CN 202110251994 A CN202110251994 A CN 202110251994A CN 112978329 B CN112978329 B CN 112978329B
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- feeding
- transfer
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- conveying
- steel bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G13/00—Roller-ways
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Specific Conveyance Elements (AREA)
- Reciprocating Conveyors (AREA)
Abstract
本发明属于钢筋加工技术领域，公开了一种钢筋上料系统，包括输送装置、移料装置、放料装置、第一送料装置和第二送料装置，第一送料装置能够将钢筋原料输送至第二送料装置处，第二送料装置能够将钢筋逐根移送到接料工位处的移料台上，移料台能够将所承接的钢筋平铺展开并移送至中转工位处，放料装置能够将中转工位处的钢筋取下放置于输送通道上。本发明中，第一送料装置和第二送料装置相配合，能够逐个输送钢筋，移料装置能够对钢筋进行平铺排序并移到至输送通道处，无需人工整理，降低了劳动强度，提高了生产效率，放料装置能够将移料装置整理后的钢筋平稳地放置于输送通道上，避免了对输送通道的冲击，使得设备的运行更加安全可靠。
The present invention belongs to the technical field of steel bar processing, and discloses a steel bar feeding system, including a conveying device, a material moving device, a material discharging device, a first feeding device and a second feeding device. The first feeding device can convey the steel bar raw material to the second feeding device, and the second feeding device can transfer the steel bars one by one to the material moving table at the material receiving station. The material moving table can spread out the received steel bars and transfer them to the transfer station, and the material discharging device can take down the steel bars at the transfer station and place them on the conveying channel. In the present invention, the first feeding device and the second feeding device cooperate to convey the steel bars one by one, and the material moving device can lay out and sort the steel bars and move them to the conveying channel without manual sorting, which reduces the labor intensity and improves the production efficiency. The material discharging device can stably place the steel bars sorted by the material moving device on the conveying channel, avoiding the impact on the conveying channel, and making the operation of the equipment safer and more reliable.
Description
Technical Field
The invention relates to the technical field of steel bar machining, in particular to a steel bar feeding system.
Background
A shearing line is a mechanical device for shearing reinforcing bars. When the steel bar shearing production line works, steel bars to be processed need to be sent into the conveying roller way, raw material storage frames are arranged on two sides of the conveying roller way, whole bundles of steel bars are placed on the storage station platform, the steel bars are broken, a proper amount of steel bars fall onto the conveying roller way through the storage frame sliding plate under manual control, at the moment, the situation that each steel bar falling into the conveying roller way cannot be overlapped and crossed is ensured manually, the number of the fallen steel bars meets the requirements of equipment, otherwise, the shearing length of the steel bars and the service life of the equipment are not only influenced, but also the steel bars cannot pass through a cutter.
The existing feeding mode needs to be manually matched with a raw material storage rack to enable the steel bars to fall onto the conveying roller, namely an operator manually drops the steel bars to be sheared onto the conveying roller from a raw material storage bin and ensures that the quantity of the steel bars to be sheared is accurate, so that the operator is required to know equipment and a product process, real-time production information is required to be mastered, labor intensity of workers is high, labor and time are wasted, product quality and production efficiency are low, and impact can be generated on the conveying roller when the steel bars to be sheared fall onto the conveying roller, so that the steel bars to be sheared are damaged, and the service life of the conveying roller is influenced.
Disclosure of Invention
The invention aims to provide a steel bar feeding system which can smoothly feed steel bars and avoid impact on a conveying channel in the feeding process.
To achieve the purpose, the invention adopts the following technical scheme:
a rebar feeding system, comprising:
The conveying device is provided with a conveying channel;
The material transferring device comprises a material transferring table, the material transferring table can move between a material receiving station and a transferring station, and the transferring station is positioned above the conveying channel;
The discharging device comprises a discharging table, the discharging table can move between a material taking station and a discharging station, the material taking station is located above the transferring station, and the discharging station is located below the conveying channel;
the first feeding device is arranged at one side of the conveying device;
The second material feeding unit set up in conveyor with between the first material feeding unit, first material feeding unit can carry the reinforcing bar raw materials to second material feeding unit department, second material feeding unit can be with the reinforcing bar piece by piece move to connect material station department move the material bench, move the material bench can with the reinforcing bar tiling that receives expand and transfer to transfer station department, the blowing device can with transfer station department's reinforcing bar take off place in on the conveying channel.
Preferably, the top of the material moving table is provided with a guide surface and a limiting protrusion, the guide surface gradually decreases from one end deviating from the transfer station to one end facing the transfer station, and the limiting protrusion is arranged at one end of the guide surface facing the transfer station.
Preferably, the material moving device further comprises a material moving driver, the material moving driver is installed on the conveying device, and the output end of the material moving driver is connected to the material moving table.
Preferably, the material moving device further comprises a sliding rail and a sliding block arranged on the sliding rail in a sliding manner, the sliding rail is fixedly connected with the conveying device, and the sliding block is fixedly connected with the material moving table.
Preferably, the discharging device comprises a plurality of discharging frames, each discharging frame comprises a material bearing shaft, a rotating shaft and two supporting rods, the material bearing shafts and the rotating shafts are parallel to each other and are arranged at intervals, the material bearing shafts and the rotating shafts are respectively arranged between the two supporting rods in an erected mode, the rotating shafts are rotationally connected to the conveying device, and the material bearing shafts form the discharging table.
Preferably, the material bearing shaft and the end part of the supporting rod are arranged at intervals.
Preferably, the discharging device further comprises a linkage rod and a plurality of switching rods, each discharging frame is provided with one switching rod, one end of each switching rod is fixedly connected with the discharging frame, the other end of each switching rod is rotationally connected with the linkage rod, and the linkage rod can drive the discharging frames to synchronously rotate through the switching rods when moving.
Preferably, the discharging device further comprises a discharging driver, the discharging driver is mounted on the conveying device, and the output end of the discharging driver is rotatably connected with the switching rod.
Preferably, the first feeding device includes:
the first feeding frame is arranged at one side of the conveying device;
the first feeding belt is wound on the first feeding frame.
Preferably, the second feeding device includes:
the second feeding frame is arranged between the conveying device and the first feeding device;
The fixed step is fixedly arranged on the second feeding frame;
The movable step is movably arranged on the second feeding frame;
The step driver is arranged on the second feeding frame and can drive the movable step to move relative to the fixed step, so that the reinforcing steel bars gradually rise on the fixed step until being conveyed to the material moving table at the material receiving station.
The invention has the beneficial effects that:
the first feeding device and the second feeding device are matched, the steel bar raw materials can be conveyed one by one, on the basis, the material moving device can carry out tiling and sorting on the steel bars and move to the conveying channel, manual arrangement is not needed, labor intensity is reduced, production efficiency is improved, the material discharging device can stably place the steel bars after being arranged by the material moving device on the conveying channel, impact on the conveying channel is avoided, and the operation of equipment is safer and more reliable.
Drawings
Fig. 1 is a side view of a rebar loading system according to an embodiment of the present invention;
FIG. 2 is a side view of a transfer station at a receiving station and a discharge station of a conveyor according to an embodiment of the present invention;
FIG. 3 is a side view of a transfer station with a transfer station and a discharge station with a transfer station of a conveyor according to an embodiment of the present invention;
FIG. 4 is a side view of a transfer station with a transfer station and a discharge station with a take-out station on a conveyor according to an embodiment of the present invention;
FIG. 5 is a side view of a transfer station on a conveyor at a receiving station and a discharge station at a discharge station according to an embodiment of the present invention;
FIG. 6 is a side view of a transfer station at a receiving station and a discharge station at a discharge station on a conveyor according to an embodiment of the present invention;
FIG. 7 is an elevation view of a transfer station at a receiving station and a discharge station at a discharge station on a conveyor according to an embodiment of the present invention;
FIG. 8 is a top view of a transfer table on a conveyor at a receiving station and a discharge table at a discharge station according to an embodiment of the present invention;
Fig. 9 is a front view of a transfer station with a transfer station and a discharge station with a take-out station on a conveyor according to an embodiment of the invention.
In the figure:
1. Conveying device, 11, conveying frame, 12, conveying driver, 13, conveying roller;
2. the device comprises a material moving device, a material moving table, a 211, a guide surface, a 212, a limiting protrusion, a 22, a material moving driver, a 23, a sliding rail, a 24 and a sliding block, wherein the material moving table is arranged on the material moving device;
3. The device comprises a discharging device, 31, a discharging frame, 311, a material bearing shaft, 312, a rotating shaft, 313, a supporting rod, 32, a linkage rod, 33, a switching rod, 34 and a discharging driver;
4. A first feeding device; 41, a first feeding frame, 42, a first feeding belt;
5. The device comprises a first feeding device, a first feeding frame, a second feeding frame, a fixed step, a movable step, a step driver and a stepping driver.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be interpreted broadly, as for example, they may be fixedly connected, or may be detachably connected, or may be electrically connected, or may be directly connected, or may be indirectly connected through an intermediary, or may be in communication with one another in two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 9, the invention provides a steel bar feeding system, which comprises a conveying device 1, a material moving device 2, a material discharging device 3, a first feeding device 4 and a second feeding device 5. Wherein, be provided with the conveying channel on conveyor 1, the conveying channel can carry the reinforcing bar and carry out the material loading, move material device 2 and move material platform 21 including moving, move material platform 21 can remove between receiving station and transfer station, transfer station is located the top of conveying channel, the blowing device 3 includes the blowing platform, the blowing platform can remove between extracting station and blowing station, extracting station is located the top of transfer station, the blowing station is located the below of conveying channel, first material feeding unit 4 sets up in one side of conveyor 1, second material feeding unit 5 sets up between conveyor 1 and first material feeding unit 4, first material feeding unit 4 can carry the reinforcing bar raw materials to second material feeding unit 5 department, second material feeding unit 5 can transfer the reinforcing bar piece by piece to the material platform 21 that moves of receiving station department, move material platform 21 can spread the reinforcing bar tiling that holds and transfer station department, the blowing device 3 can place the reinforcing bar of transfer department on the conveying channel with taking off of transfer station.
According to the invention, the first feeding device 4 and the second feeding device 5 are matched, so that the raw materials of the reinforcing steel bars can be conveyed one by one, on the basis, the material moving device 2 can perform tiling and sorting on the reinforcing steel bars and move to the conveying channel, manual arrangement is not needed, labor intensity is reduced, production efficiency is improved, the material discharging device 3 can stably place the reinforcing steel bars after being arranged by the material moving device 2 on the conveying channel, impact to the conveying channel is avoided, and the running of equipment is safer and more reliable.
Specifically, the conveying apparatus 1 includes a conveying frame 11, a conveying driver 12, and a plurality of conveying rollers 13. The conveying rollers 13 are parallel to each other and sequentially spaced, are rotatably mounted on the conveying frame 11 along a straight line to form a conveying channel, the axis of each conveying roller 13 is perpendicular to the extending direction of the conveying channel, the conveying driver 12 comprises a conveying motor and a driving belt, the driving belt is wound on a driving wheel on the conveying rollers 13 and a driving wheel on an output shaft of the conveying motor, and the conveying motor drives the conveying rollers 13 to synchronously rotate through the driving belt so as to drive the reinforcing steel bars to move along the axis direction of the reinforcing steel bars.
More specifically, the driving belt is a belt, the driving wheel is a belt pulley, the conveying roller 13 is arranged on the conveying frame 11 through a bearing, one end of the conveying roller is provided with the belt pulley, and the belt pulley on the output shaft of the conveying motor is linked with the belt pulley on the conveying roller 13 through the belt.
Specifically, the top of the material moving table 21 is provided with a guiding surface 211 and a limiting protrusion 212, the guiding surface 211 gradually decreases from one end deviating from the transfer station to one end facing the transfer station, the limiting protrusion 212 is arranged at one end of the guiding surface 211 facing the transfer station, and the second feeding device 5 is positioned at one end of the guiding surface 211 deviating from the transfer station. When the second feeding device 5 conveys the reinforcing bars onto the guide surface 211 one by one, the reinforcing bars can move towards the limiting boss 212 along the guide surface 211 under the action of self gravity, so that a plurality of reinforcing bars can be spread on the guide surface 211, and the limiting boss 212 can limit the moving reinforcing bars and prevent the moving reinforcing bars from rolling out of the material moving table 21.
More specifically, the guide surface 211 includes a first guide section and a second guide section that are connected to each other, the slope of the first guide section is greater than that of the second guide section, one end of the first guide section facing away from the second guide section faces the second feeding device 5, and one end of the second guide section facing away from the first guide section is provided with a limiting protrusion 212. The arrangement ensures that the tiling and unfolding of a plurality of reinforcing steel bars are more gentle, and the follow-up discharging device 3 is convenient to take and place.
Specifically, the material moving device 2 further includes a material moving driver 22, the material moving driver 22 is installed on the conveying device 1, and an output end of the material moving driver 22 is connected to the material moving table 21. In this embodiment, the material moving driver 22 is an air cylinder, the cylinder body of the air cylinder is fixed on the conveying frame 11, the piston rod of the air cylinder can stretch and retract along the horizontal direction, and the stretching direction is perpendicular to the extending direction of the conveying channel, so as to drive the material moving table 21 to move horizontally, and reciprocate between the material receiving station and the transferring station.
More specifically, the material moving device 2 further comprises a sliding rail 23 and a sliding block 24 arranged on the sliding rail 23 in a sliding manner, the sliding rail 23 is fixedly connected to the conveying device 1, and the sliding block 24 is fixedly connected to the material moving table 21. By the cooperation of the slide rail 23 and the slider 24, the material moving table 21 can be moved more smoothly on the conveying device 1.
In this embodiment, the material moving device 2 is provided with a plurality of material moving devices, the material moving device 2 is located between two adjacent conveying rollers 13, the plurality of material moving devices 2 are parallel to each other along the extending direction of the conveying channel and are arranged at intervals in sequence, and the plurality of material moving devices 2 are matched with each other to be used for bearing and moving the reinforcing steel bars together.
Alternatively, the discharging device 3 includes a plurality of discharging frames 31, the discharging frames 31 include a material bearing shaft 311, a rotating shaft 312 and two supporting rods 313, the material bearing shaft 311 and the rotating shaft 312 are parallel to each other and are arranged at intervals, the material bearing shaft 311 and the rotating shaft 312 are respectively arranged between the two supporting rods 313, the rotating shaft 312 is rotatably connected to the conveying device 1, and the plurality of material bearing shafts 311 form a discharging table.
Specifically, the discharge frame 31 is located between the adjacent two conveying rollers 13, and can be extended or retracted from between the two conveying rollers 13, so that it can be fitted with the conveying passage efficiently without any obstacle.
More specifically, the material bearing shaft 311 and the end portions of the supporting rods 313 are arranged at intervals, so that when the discharging frame 31 extends out from between the two conveying rollers 13, the top ends of the supporting rods 313 are higher than the material bearing shaft 311, and when the steel bars are placed in a bearing mode, the steel bars can be limited between the two supporting rods 313, and the steel bars are prevented from falling from the material bearing shaft 311.
Specifically, the discharging device 3 further includes a linkage rod 32 and a plurality of adapting rods 33, each discharging frame 31 is configured with one adapting rod 33, one end of the adapting rod 33 is fixedly connected to the discharging frame 31, the other end of the adapting rod is rotatably connected to the linkage rod 32, and when the linkage rod 32 moves, the adapting rod 33 can drive the plurality of discharging frames 31 to synchronously rotate, so that the discharging platform formed by the plurality of material bearing shafts 311 can be lifted more stably.
More specifically, the discharging device 3 further includes a discharging driver 34, the discharging driver 34 is installed on the conveying device 1, and an output end of the discharging driver 34 is rotatably connected to the switching rod 33. In this embodiment, the discharging driver 34 is a cylinder, the cylinder body of the cylinder is rotatably connected to the carriage 11, and the piston rod of the cylinder is rotatably connected to the transfer rod 33.
Alternatively, the first feeding device 4 includes a first feeding frame 41 and a first feeding belt 42. The first feeding frame 41 is disposed at one side of the conveying device 1, the first feeding belt 42 is wound on the first feeding frame 41, and the first feeding belt 42 can convey the reinforcing steel bar raw material under the driving of the corresponding driving mechanism, and the conveying direction is perpendicular to the extending direction of the conveying channel.
Specifically, the driving mechanism corresponding to the first feeding belt 42 includes a first feeding motor and a plurality of rollers, the rollers are rotatably disposed on the first feeding frame 41, the first feeding belt 42 is wound on the rollers, and the first feeding motor drives one roller to rotate so as to drive the first feeding belt 42 to circularly rotate, so as to convey the reinforcing steel bar raw materials.
Optionally, the second feeding device 5 includes a second feeding frame 51, a fixed step 52, a movable step 53, and a stepping driver 54. The second feeding frame 51 is disposed between the conveying device 1 and the first feeding device 4, the fixed step 52 is fixedly disposed on the second feeding frame 51, the movable step 53 is movably disposed on the second feeding frame 51, and the step driver 54 is disposed on the second feeding frame 51 and is capable of driving the movable step 53 to move relative to the fixed step 52, so that the reinforcing steel bars gradually rise on the fixed step 52 step by step until being conveyed to the material moving table 21 at the material receiving station. The specific structures of the fixed step 52 and the movable step 53 are simple in structure, convenient to operate and control and capable of conveying the raw materials of the reinforcing steel bars one by one.
Specifically, a plurality of inclined step surfaces are arranged on the fixed step 52 and the movable step 53 in a one-to-one correspondence manner, the step surface of the movable step 53 is a first-stage step surface at the lowest position, the step driver 54 comprises a motor, a driving belt and an eccentric wheel, the motor and the eccentric wheel are respectively arranged on the second feeding frame 51, the motor drives the eccentric wheel to rotate through the driving belt, the eccentric wheel is abutted against the movable step 53 to circularly lift and fall during the rotation of the eccentric wheel, the movable step 53 moves in a staggered manner relative to the fixed step 52 in the lifting and falling process, taking the first-stage step surface of the fixed step 52 and the movable step 53 as an example, the first feeding belt 42 firstly conveys reinforcing steel bar raw materials to the first-stage step surface of the movable step 53, the first-stage step surface of the movable step 53 is lower than the first-stage step surface of the fixed step 52 at the first stage step surface, then the first-stage step surface of the movable step 53 is lifted to be higher than the first-stage step surface of the fixed step 52, one reinforcing steel bar rolls to the upper side of the first-stage step surface of the fixed step 52 during the rotation of the movable step 53, and then the first-stage step surface of the movable step 53 is reset to fall to the lower than the first-stage surface of the first-stage step surface of the fixed step 52 in the inclined step surface of the movable step 53, and one is connected to the first-stage surface of the guide steel bar material at the first-stage surface to the upper layer and the first-stage surface is lifted to the guide layer to the upper layer at the stage surface of the reinforcing bar.
More specifically, the photoelectric counter is disposed at the top-most step of the fixed steps 52, so that the second feeding device 5 can count the conveyed reinforcing bars, and can accurately calculate the number of reinforcing bars to be fed when the reinforcing bars are conveyed one by one.
The concrete using steps of the steel bar feeding system of the invention are as follows:
Step one, placing the bundled reinforcing steel bar raw materials on a first feeding device 4.
Step two, the raw materials of the reinforcing steel bars are broken and bundled, and the reinforcing steel bars on the raw materials are conveyed to the position of the second feeding device 5 by the first feeding device 4.
Step three, the second feeding device 5 conveys corresponding number of reinforcing steel bars to the material moving table 21 at the material receiving station one by one according to set requirements, and the reinforcing steel bars are spread on the material moving table 21.
And step four, the material moving driver 22 drives the material moving table 21 to move to a transfer station right above the conveying channel.
Step five, the discharging driver 34 drives the discharging table to move from the discharging station to the material taking station, and the steel bars are lifted from the material moving table 21.
Step six, the material moving driver 22 drives the material moving table 21 to reset to the material receiving station.
And step seven, the discharging driver 34 drives the discharging table to reset to the discharging station, and the steel bars are stably placed on the conveying channel.
And step eight, conveying and feeding the reinforcing steel bars through a conveying channel of the conveying device 1.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110251994.4A CN112978329B (en) | 2021-03-08 | 2021-03-08 | A steel bar feeding system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110251994.4A CN112978329B (en) | 2021-03-08 | 2021-03-08 | A steel bar feeding system |
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| CN112978329A CN112978329A (en) | 2021-06-18 |
| CN112978329B true CN112978329B (en) | 2025-02-25 |
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| CN114212517B (en) * | 2021-12-06 | 2025-02-25 | 建科智能装备制造(天津)股份有限公司 | A feeding device |
| KR102449781B1 (en) * | 2022-03-31 | 2022-09-30 | 티테크코리아 주식회사 | Steel plate elevating device of roller table for transporting iron plate and roller table including the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143653A (en) * | 2013-03-13 | 2013-06-12 | 建科机械（天津）股份有限公司 | Automatic stepping feeding device for straight steel bar |
| JP2014227265A (en) * | 2013-05-23 | 2014-12-08 | Ｊｆｅスチール株式会社 | Steel pipe take-out device |
| CN215158834U (en) * | 2021-03-08 | 2021-12-14 | 建科机械（天津）股份有限公司 | Feeding system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110668085A (en) * | 2019-10-29 | 2020-01-10 | 山东钢铁股份有限公司 | Moving conveying system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143653A (en) * | 2013-03-13 | 2013-06-12 | 建科机械（天津）股份有限公司 | Automatic stepping feeding device for straight steel bar |
| JP2014227265A (en) * | 2013-05-23 | 2014-12-08 | Ｊｆｅスチール株式会社 | Steel pipe take-out device |
| CN215158834U (en) * | 2021-03-08 | 2021-12-14 | 建科机械（天津）股份有限公司 | Feeding system |
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