CN110883270B - Multithreading reinforcing bar straightener - Google Patents
Multithreading reinforcing bar straightener Download PDFInfo
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- CN110883270B CN110883270B CN201911310587.5A CN201911310587A CN110883270B CN 110883270 B CN110883270 B CN 110883270B CN 201911310587 A CN201911310587 A CN 201911310587A CN 110883270 B CN110883270 B CN 110883270B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/02—Straightening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F23/00—Feeding wire in wire-working machines or apparatus
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Abstract
The invention provides a multi-thread steel bar straightening machine, which comprises a traction mechanism and a straightening mechanism, wherein the traction mechanism is arranged on the straightening mechanism; the traction mechanism comprises a traction machine base, the upper layer is provided with a plurality of rows of upper traction wheels, and the lower layer is provided with a plurality of rows of lower traction wheels; each upper traction wheel is arranged on an upper rotating shaft, the upper rotating shafts are arranged in a rotating bearing respectively, the rotating bearings can vertically move under the driving of a lifting cylinder respectively, the upper rotating shafts at corresponding positions of two adjacent rows are connected through a universal coupling, and the lower traction wheels at corresponding positions of the whole row are arranged on a lower rotating shaft simultaneously; the end parts of the upper rotating shaft and the lower rotating shaft at the outermost row are sleeved with meshed gears and driven by a driving motor to synchronously rotate; the straightening mechanism is provided with a plurality of groups corresponding to the number of rows of the upper traction wheels and comprises two rows of staggered straightening wheels. The invention adopts a multi-thread mode to improve the control, processing efficiency and quality of the steel bar traction and straightening and reduce the production cost.
Description
Technical Field
The invention relates to the field of steel bar pretreatment equipment, in particular to a multi-thread steel bar straightening machine.
Background
The reinforcing steel bar is a common engineering material, and the reinforcing steel bar is usually required to be subjected to pretreatment procedures such as straightening, cutting and the like before use, so that the subsequent use or processing of the reinforcing steel bar is facilitated. In the prior art, the straightening of the reinforcing steel bars is generally realized by clamping and rolling an upper straightening wheel and a lower straightening wheel, so that the reinforcing steel bars are deformed and straightened, and then are cut off or subjected to other operations. Because the upper straightening wheel and the lower straightening wheel are driven wheels generally, when the reinforcing steel bars pass through the upper straightening wheel and the lower straightening wheel, the reinforcing steel bars need to be pulled by a traction mechanism, and the feeding process of the straightened reinforcing steel bars is completed by the traction mechanism. At present, the traction and the alignment of reinforcing steel bars are generally single-threaded, if the processes of alignment, cutting, feeding and the like of a plurality of reinforcing steel bars are required to be carried out simultaneously, a plurality of sets of aligners are required to be arranged, so that not only a large amount of field space is required to be occupied, but also the difficulty of automatic control is increased by the combination of a plurality of sets of equipment, the pretreatment efficiency of the reinforcing steel bars is low, and the production cost is difficult to reduce.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a multi-thread steel bar straightening machine so as to improve the pretreatment efficiency of steel bars and further reduce the production cost.
In order to achieve the aim, the invention provides a multi-thread steel bar straightening machine, which comprises a traction mechanism and a straightening mechanism; the traction mechanism comprises a traction base, wherein the upper layer of the traction base is provided with a plurality of rows of upper traction wheels, the lower layer of the traction base is provided with a plurality of rows of lower traction wheels, and when the upper traction wheels and the lower traction wheels rotate, reinforcing steel bars are drawn to pass through the upper traction wheels and the lower traction wheels through friction force; each upper traction wheel is arranged on an upper rotating shaft, the upper rotating shafts are arranged in rotating bearings, each rotating bearing can vertically move under the driving of a lifting cylinder, the upper rotating shafts at the corresponding positions of two adjacent rows are connected through a universal coupling, and the lower traction wheels at the corresponding positions of the whole row are arranged on a lower rotating shaft at the same time; the end parts of the upper rotating shaft and the lower rotating shaft at the outermost row are sleeved with meshed gears and driven by a driving motor to synchronously rotate; the straightening mechanism is provided with a plurality of groups corresponding to the number of rows of the upper traction wheels, the straightening mechanism comprises two rows of straightening wheels which are arranged in a staggered mode, reinforcing steel bars are dragged by the traction mechanism to enter from the first end of the straightening mechanism, move between the two rows of straightening wheels to finish straightening, and then exit from the second end of the straightening mechanism.
Furthermore, the traction machine base mainly comprises a top plate and a plurality of side plates, wherein the upper layer of each side plate is provided with a row of upper traction wheels, and the lower layer of each side plate is provided with a row of lower traction wheels.
Furthermore, each movable bearing is respectively arranged in a movable groove formed in the side plate in a sliding mode, the movable bearings are fixedly connected with the corresponding lifting cylinder piston rods, and the lifting cylinders are arranged on the upper surface of the top plate.
Furthermore, the movable bearing is square, grooves are formed in two sides of the movable bearing respectively, and the side plates are clamped into the grooves, so that the movable bearing can vertically slide along the side plates.
Further, the lower rotating shaft is supported by a fixed bearing arranged on the side plate.
Furthermore, gears at the end parts of two adjacent lower rotating shafts are meshed, the gear at the end part of the upper rotating shaft is meshed with the gear corresponding to the end part of the lower rotating shaft, the upper rotating shaft is arranged at intervals of one lower rotating shaft, so that the upper rotating shafts rotate in the same direction, and the lower traction wheel is not arranged on the lower rotating shaft which rotates reversely at the interval; one gear at the end part of the lower rotating shaft is fixedly connected with a driven wheel, and the driven wheel is connected with the driving motor through a belt.
Furthermore, the outer surface of the upper traction wheel is arranged in a rough manner, and the outer surface of the lower traction wheel is arranged in a smooth manner.
Furthermore, each group of the straightening mechanisms comprises a vertical straightening mechanism and a horizontal straightening mechanism, two rows of straightening wheels of the vertical straightening mechanism are vertically arranged, two rows of straightening wheels of the horizontal straightening mechanism are horizontally arranged, and the straightening wheels are driven wheels.
Further, the distance between one row of the straightening wheels and the other row of the straightening wheels can be adjusted through a bolt structure.
Furthermore, the upper traction wheel, the lower traction wheel and the straightening wheel are all provided with steel bar guide grooves.
The scheme of the invention has the following beneficial effects:
the multi-thread steel bar traction mechanism and the multi-group steel bar straightening mechanism are arranged, so that a plurality of steel bars can be simultaneously pulled, all the steel bars can be straightened by the straightening mechanism, the whole structure is compact, the occupied space is small, and the field arrangement is saved; meanwhile, the universal coupling is arranged, so that the operation of all threads can be driven by only one driving motor, and the operation state of any thread can be smoothly switched by only controlling the action of the lifting cylinder, thereby further simplifying the overall structure arrangement and control process, improving the efficiency and quality of steel bar traction, straightening and other processing, and reducing the production cost.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the pulling mechanism of the present invention;
FIG. 3 is a detailed view of the shaft and bearing of the present invention;
fig. 4 is a schematic view of the alignment mechanism of the present invention.
[ description of reference ]
1-a traction machine base; 2-upper traction wheel; 3-lower traction wheel; 4-reinforcing steel bars; 5-an upper rotating shaft; 6-a movable bearing; 7-lifting the cylinder; 8-universal coupling; 9-lower rotating shaft; 10-a gear; 11-a drive motor; 12-a straightening wheel; 13-a top plate; 14-side plates; 15-a movable groove; 16-a groove; 17-fixed bearing; 18-a driven wheel; 19-aligning the wheel bearing; 20-straightening machine base; 21-bolt; 22-a steel bar guide groove; 23-a shaft cover; 24-a vertical alignment mechanism; 25-horizontal straightening mechanism.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, an embodiment of the present invention provides a multi-thread rebar straightener, including a pulling mechanism and a straightening mechanism. The traction mechanism comprises a traction machine base 1, wherein a plurality of rows of upper traction wheels 2 are arranged on the upper layer of the traction machine base 1, a plurality of rows of lower traction wheels 3 are arranged on the lower layer and correspond to the upper traction wheels 2 one by one, steel bars 4 are clamped between the upper traction wheels 2 and the lower traction wheels 3, and when the traction wheels rotate, the steel bars 4 are drawn by friction force to pass between the upper traction wheels and the lower traction wheels.
Every goes up traction wheel 2 and sets up respectively on an upper rotating shaft 5, goes up upper rotating shaft 5 and sets up respectively in a rotating bearing 6, and every rotating bearing 6 can be vertical removal under a lifting cylinder 7 drive respectively, and two adjacent rows of last pivots 5 that correspond the position are connected through a universal joint 8, and the lower traction wheel 3 that corresponds the position all the way sets up simultaneously in pivot 9 once. The ends of the upper rotating shaft 5 and the lower rotating shaft 9 in the outermost row are sleeved with meshed gears 10 and driven by a driving motor 11 to rotate synchronously.
The straightening mechanisms are provided with a plurality of groups corresponding to the rows of the upper traction wheels 2, and each group of straightening mechanisms also corresponds to the position of one row of the traction wheels. The straightening mechanism comprises two rows of staggered straightening wheels 12, the reinforcing steel bars 4 are dragged by the traction mechanism, enter from the first end of the straightening mechanism, move between the two rows of straightening wheels 12 to finish the straightening process, and then exit from the second end of the straightening mechanism.
When the full thread of equipment was used, every movable bearing 6 all was located the bottommost position, go up traction wheel 2 this moment and all hug closely and press from both sides reinforcing bar 4 with corresponding lower traction wheel 3, go up 5 synchronous rotations under driving motor 11 drives of the gear 10 of upper shaft 5 and lower 9 tip intermeshing, and the last pivot 5 of first row passes through universal joint 8 and drives to the last pivot 5 of other each row in proper order, the last traction wheel 2 that makes every upper shaft 5 and cover establish all rotates with lower traction wheel 3 synchronous with lower pivot 9 and cover, multithread, pull reinforcing bar 4 removal synchronously, make reinforcing bar 4 continuously get into from the first end of alignment mechanism, the second end withdraws from, accomplish the alignment process.
When the reinforcing steel bar 4 of a certain thread needs to be stopped from being pulled and straightened due to the conditions of insufficient feeding or slow beat and fault of adjacent working procedures, the lifting cylinder 7 drives the movable bearings 6 of the thread (row) to move upwards to lift the height, so that the upper traction wheels 2 of the thread are separated from the corresponding lower traction wheels 3, at the moment, the reinforcing steel bar 4 is only placed on the lower traction wheels 3 but not in a clamped state, the reinforcing steel bar 4 is not pulled to move only through the rotation of the lower traction wheels 3, and the straightening process of the reinforcing steel bar 4 is also stopped completely. Because the rotating bearing 6 of the thread is lifted, the upper rotating shaft 5 and the upper rotating shafts 5 of other threads are not positioned on the same axis, the two connected upper rotating shafts 5 can continuously rotate under the condition of an included angle through the arrangement of the universal coupling 8, and the torque is reliably transmitted, so that the upper traction wheels 2 of other threads are not influenced to synchronously rotate when the thread is disconnected, and the reinforcing steel bars 4 are pulled and straightened. After the first row of lifting cylinders 7 lift the rotating bearing 6, the gear 10 at the end of the upper rotating shaft 5 is not meshed with the gear 10 at the end of the lower rotating shaft 9, the upper rotating shaft 5 does not rotate any more and transmits torque, and the traction mechanism and the straightening mechanism are in a state of integral shutdown. As can be seen from the above, the working state of each thread can be conveniently switched only by controlling the action of the lifting cylinder 7.
Furthermore, the traction machine base 1 mainly comprises a top plate 13 and a plurality of side plates 14, wherein the upper layer of each side plate 14 is provided with a row of upper traction wheels 2, and the lower layer is provided with a row of lower traction wheels 3. Each movable bearing 6 is respectively arranged in a movable groove 15 arranged at a corresponding position on the side plate 14 in a sliding manner, the movable bearings 6 are fixedly connected with piston rods of corresponding lifting cylinders 7, and the lifting cylinders 7 are all arranged on the upper surface of the top plate 13. When the operation of a certain thread needs to be disconnected, the traction on the reinforcing steel bar 4 can be disconnected only by controlling the piston rod of the lifting cylinder 7 of the thread to contract and driving the movable bearing 6, the upper rotating shaft 5 and the upper traction wheel 2 of the thread to lift, so that the reinforcing steel bar 4 does not move between the two rows of straightening wheels 12.
Meanwhile, referring to fig. 3, the movable bearing 6 is a square structure, grooves 16 are respectively formed on two sides of the movable bearing 6, the side plate 14 where the movable bearing 6 is located is clamped into the corresponding groove 16, and when the movable bearing 6 moves under the action of the lifting cylinder 7, due to the guiding and limiting effects of the side plate 14, the movable bearing 6 slides along the direction of the side plate 14, namely the vertical direction, so that the moving accuracy of the movable bearing 6 is improved, and the connection of the universal coupling 8 is prevented from being influenced by large dislocation.
Further, the lower rotating shaft 9 is supported by a fixed bearing 17 arranged on the side plate 14, and the lower rotating shaft 9 is a fixed rotating shaft, so that the fixed bearing 17 is arranged to support the lower rotating shaft 9, and the stability of the rotation and the torque transmission of the lower rotating shaft 9 is improved.
Further, the gears 10 at the end parts of two adjacent lower rotating shafts 9 are meshed, all the lower rotating shafts 9 can be driven by one of the gears 10, and the two adjacent lower rotating shafts 9 rotate reversely. The gear 10 at the end of the upper rotating shaft 5 is meshed with the gear 10 corresponding to the end of the lower rotating shaft 9, and the upper rotating shaft 5 is arranged at intervals of one lower rotating shaft 9, so that all the upper rotating shafts 5 rotate in the same direction. In addition, the lower traction wheel 3 is not arranged on the lower rotating shaft 9 which is arranged at the interval and does not correspond to the upper rotating shaft 5 and rotate reversely, namely, the lower rotating shaft 9 at the interval is only used for installing the gear 10 and is driven by the gear 10. Of course, the lower shaft 9 in this position can also be removed, leaving only the part of the end mounting gear 10. The gear 10 at the end of one lower rotating shaft 9 is fixedly connected with a driven wheel 18, and the driven wheel 18 is connected with the driving motor 11 through a belt, so that the whole straightening machine can finish the straightening process of a whole thread only by depending on a single driving motor 11, the increased field space caused by the arrangement of a plurality of motors is reduced, and the cost is saved.
Further, the outer surface of the upper traction wheel 2 is arranged roughly, and the outer surface of the lower traction wheel 3 is arranged smoothly, so that when the upper traction wheel 2 and the lower traction wheel 3 clamp the steel bars 4, the steel bars 4 are mainly pulled to move by friction force generated by the surface of the steel bars 4 and the upper traction wheel 2 in a pressing contact mode. When the thread is disconnected and the upper traction wheel 2 is far away from the lower traction wheel 3, the steel bars 4 are only placed on the lower traction wheel 3, and the lower traction wheel 3 with a smooth surface rotates and is not enough to pull the steel bars 4 to move, so that the purpose of stopping traction is achieved.
Referring to fig. 4, the straightening mechanism includes a vertical straightening mechanism 24 and a horizontal straightening mechanism 25, two rows of straightening wheels 12 of the vertical straightening mechanism 24 are vertically arranged for straightening the passing reinforcing steel bar 4 in the vertical direction, two rows of straightening wheels 12 of the horizontal straightening mechanism 25 are horizontally arranged for straightening the passing reinforcing steel bar 4 in the horizontal direction, and the straightening effect in two directions is ensured, wherein the straightening wheels 12 are driven wheels, when the reinforcing steel bar 4 passes between the two rows of straightening wheels 12, the driven wheels 18 can be driven to rotate, the resistance is small, and the traction of the traction mechanism is facilitated.
Furthermore, the distance between one row of straightening wheels 12 and the other row of straightening wheels can be adjusted through a bolt structure so as to adapt to the passing of the reinforcing steel bars 4 with different outer diameter specifications, and the purpose of straightening is achieved. Specifically, the straightening wheel bearing 19 is slidably disposed on the straightening base 20 and fixedly connected to an end of a bolt 21, the bolt 21 is spirally disposed in a threaded hole of the straightening base 20, and the distance between the row of straightening wheels 12 and the other row of straightening wheels 12 is changed by screwing the bolt 21.
Further, the upper traction wheel 2, the lower traction wheel 3 and the straightening wheel 12 are all provided with a steel bar guide groove 22. When in traction, the wheel rims of the upper traction wheel 2 and the lower traction wheel 3 are in contact, the upper and lower steel bar guide grooves 22 form a channel of the steel bar 4, and friction force is generated through extrusion contact to drive the steel bar 4 to move. The reinforcing steel bar guide grooves 22 between the straightening wheels 12 also form a channel of the reinforcing steel bars 4, the movement of the reinforcing steel bars 4 is limited, and the straightening effect is ensured.
Preferably, this embodiment adopts the setting mode of double traction wheel and two sets of aligning gear of correspondence, and the reinforcing bar straightener is two-thread promptly, and equipment is small and exquisite compact, and occupation space is few, has satisfied the processing production demand of the reinforcing bar majority simultaneously. In addition, a shaft cover 23 may be provided at the other end portions of the upper and lower rotating shafts 5 and 9 for sealing protection.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A multi-thread steel bar straightening machine is characterized by comprising a traction mechanism and a straightening mechanism; the traction mechanism comprises a traction base, wherein the upper layer of the traction base is provided with a plurality of rows of upper traction wheels, the lower layer of the traction base is provided with a plurality of rows of lower traction wheels, and when the upper traction wheels and the lower traction wheels rotate, reinforcing steel bars are drawn to pass through the upper traction wheels and the lower traction wheels through friction force; each upper traction wheel is arranged on an upper rotating shaft, the upper rotating shafts are arranged in rotating bearings, each rotating bearing can vertically move under the driving of a lifting cylinder, the upper rotating shafts at the corresponding positions of two adjacent rows are connected through a universal coupling, and the lower traction wheels at the corresponding positions of the whole row are arranged on a lower rotating shaft at the same time; the end parts of the upper rotating shaft and the lower rotating shaft at the outermost row are sleeved with meshed gears and driven by a driving motor to synchronously rotate; straightening mechanism sets up the multiunit, with it is corresponding to go up the row number of traction wheel, straightening mechanism includes two rows of crisscross straightening wheels that set up, the reinforcing bar by traction mechanism pulls, follows straightening mechanism's first end gets into, two rows remove between the straightening wheel and accomplish the alignment, follow again straightening mechanism's second end withdraws from, it mainly comprises roof and polylith curb plate to pull the frame, every the upper strata of curb plate sets up one row go up the traction wheel, and the lower floor sets up one row down the traction wheel.
2. The multi-thread rebar straightening machine according to claim 1, wherein each movable bearing is slidably arranged in a movable groove formed in the side plate, the movable bearings are fixedly connected with corresponding lifting cylinder piston rods, and the lifting cylinders are arranged on the upper surface of the top plate.
3. The multi-thread rebar straightening machine according to claim 2, wherein the movable bearing is square, grooves are respectively formed in two sides of the movable bearing, and the side plate is clamped in the grooves, so that the movable bearing vertically slides along the side plate.
4. The multi-threaded rebar straightener of claim 1, wherein the lower spindle is supported by fixed bearings provided on the side plates.
5. The multi-thread rebar straightening machine according to claim 1, wherein gears at the end parts of two adjacent lower rotating shafts are meshed, the gears at the end parts of the upper rotating shafts are meshed with the gears corresponding to the end parts of the lower rotating shafts, the upper rotating shafts are arranged at intervals of one lower rotating shaft so that the upper rotating shafts rotate in the same direction, and the lower traction wheels are not arranged on the lower rotating shafts which rotate reversely at the intervals; one gear at the end part of the lower rotating shaft is fixedly connected with a driven wheel, and the driven wheel is connected with the driving motor through a belt.
6. The multi-threaded rebar straightener of claim 1, wherein the outer surface of the upper traction wheel is rough and the outer surface of the lower traction wheel is smooth.
7. The multi-thread rebar straightener of claim 1, wherein each set of the straightening mechanisms comprises a vertical straightening mechanism and a horizontal straightening mechanism, two rows of the straightening wheels of the vertical straightening mechanism are arranged vertically, two rows of the straightening wheels of the horizontal straightening mechanism are arranged horizontally, and the straightening wheels are driven wheels.
8. The multi-threaded rebar straightener of claim 7, wherein one row of the straightening wheels is adjustable in spacing from the other row of the straightening wheels by a bolt arrangement.
9. The multi-threaded rebar straightener of claim 1, wherein the upper traction wheel, the lower traction wheel and the straightening wheel are provided with rebar guide grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310587.5A CN110883270B (en) | 2019-12-18 | 2019-12-18 | Multithreading reinforcing bar straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911310587.5A CN110883270B (en) | 2019-12-18 | 2019-12-18 | Multithreading reinforcing bar straightener |
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| Publication Number | Publication Date |
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| CN110883270A CN110883270A (en) | 2020-03-17 |
| CN110883270B true CN110883270B (en) | 2021-08-24 |
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| CN201911310587.5A Active CN110883270B (en) | 2019-12-18 | 2019-12-18 | Multithreading reinforcing bar straightener |
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| CN111872284B (en) * | 2020-07-23 | 2021-08-03 | 嘉兴考普诺机械科技有限公司 | Safe traction mechanism for steel bar straightening cutting machine |
| CN114289645B (en) * | 2021-12-21 | 2022-11-08 | 宿迁市城投远大建筑科技有限公司 | Production equipment and production process of prefabricated laminated floor steel mesh framework |
| CN114393144B (en) * | 2022-01-06 | 2023-07-21 | 马鞍山法尔盛科技有限公司 | Straightening device for steel wire machining |
| CN116727571B (en) * | 2023-08-11 | 2024-03-19 | 东莞针刺科技有限公司 | Power traction mechanism for metal wire |
| CN117798285B (en) * | 2024-02-22 | 2024-05-24 | 山东至信建设集团股份有限公司 | Construction steel bar straightening device |
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| GB545220A (en) * | 1940-11-15 | 1942-05-15 | Nathaniel Herbert Thomas | Tool for straightening or bending metal wire, tube, bar and the like |
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| CN110340253A (en) * | 2019-07-22 | 2019-10-18 | 北京多宾城建筑机械有限公司 | All-electric bar straightening bending hoop all-in-one machine |
| CN110523881A (en) * | 2019-09-30 | 2019-12-03 | 邵东智能制造技术研究院有限公司 | Reinforcing bar feeding bending device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB545220A (en) * | 1940-11-15 | 1942-05-15 | Nathaniel Herbert Thomas | Tool for straightening or bending metal wire, tube, bar and the like |
| CN203091625U (en) * | 2013-01-14 | 2013-07-31 | 桐庐玖谷机械科技有限公司 | Traction device of full-automatic ring-manufacturing machine |
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