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CN-122007920-A - Processing system of steel bar connecting wire head capable of resisting airplane impact

CN122007920ACN 122007920 ACN122007920 ACN 122007920ACN-122007920-A

Abstract

A system for processing a reinforcing bar coupler head resistant to aircraft impact includes a swage operable to swage one end of a reinforcing bar and including a mandrel, a thread roller operable to process external threads on the swaged one end of the reinforcing bar to form a reinforcing bar coupler head resistant to aircraft impact, a first conveyor configured to convey the reinforcing bar forward to the swage and to retract backward in a longitudinal direction during conveyance, and a second conveyor configured to convey the reinforcing bar forward to the thread roller and retract backward in the longitudinal direction during conveyance, and a transfer device of the first conveyor and a transfer device of the second conveyor configured to cooperate during transfer of the reinforcing bar from the first conveyor to the second conveyor, the mandrel including a plurality of sections having different inner diameters from each other along a mandrel centerline. The application provides a core equipment support for high-quality and large-scale automatic production of the steel bar connecting wire head capable of resisting airplane impact.

Inventors

  • ZHANG RUISI
  • AI MINGXING
  • SHI YONG
  • WANG MINGLIANG
  • XU BING
  • LI ZHU
  • SHAO KANGJIE
  • LIU QI
  • Wei Jingqun

Assignees

  • 中建研科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260415

Claims (10)

  1. 1. A machining system (10) for a reinforcing bar coupler head that is resistant to aircraft impacts, the machining system (10) comprising: A shaper (12) operable to shape one end of the rebar such that the shaped one end of the rebar has a predetermined geometry and surface finish; A thread rolling machine (16) operable to machine external threads on one end of the shaped rebar to form a rebar junction head resistant to aircraft impacts; a first conveyor (14) disposed adjacent to the shaper (12) in a longitudinal direction and including a conveying means and a transfer means, the conveying means of the first conveyor (14) being configured to convey the rebar (86) forward to the shaper (12) and to retract backward in the longitudinal direction during conveyance, and A second conveyor (18) disposed adjacent the thread rolling machine (16) in the longitudinal direction and adjacent the first conveyor (14) in the transverse direction, and comprising a conveying means and a transfer means, the conveying means of the second conveyor (18) being configured to convey the reinforcing bars (86) forward to the thread rolling machine (16) and back during conveyance, and the transfer means of the first conveyor (14) and the transfer means of the second conveyor (18) being configured to cooperate during conveyance to transfer the reinforcing bars (86) from the first conveyor (14) to the second conveyor (18), Wherein the shaping machine (12) comprises a shaping device (42), the shaping device (42) comprises a mold core (52), the mold core (52) has a mold core through hole (50) penetrating the mold core (52) along a mold core center line (H), and the shaping device (42) is configured to move in a longitudinal direction so that one end of the reinforcing steel bar is shaped during the process of penetrating the mold core through hole (50), And wherein the core (52) comprises, in sequence along a core centerline (H), a plurality of sections defining core through holes (50), the plurality of sections having inner diameters that are different from each other.
  2. 2. The processing system (10) of claim 1, wherein the plurality of sections includes: A guide section including a first sub-section (52 a 1), an inner circumferential surface of the first sub-section (52 a 1) being formed of an arc surface for guiding one end of a reinforcing bar into the core through hole (50); A first working section (52 b), an inner peripheral surface of the first working section (52 b) forming a first taper angle (F) with respect to a core center line (H) such that an inner diameter of the first working section (52 b) is reduced as extending away from the guide section along the core center line (H) for pressing one end of a reinforcing bar entering the core through hole (50); a second working section (52 c), the second working section (52 c) having a constant inner diameter (G) for sizing one end of the extruded rebar, and And a release section (52 d), wherein the inner peripheral surface of the release section (52 d) forms a second taper angle (J) relative to the core center line (H), so that the inner diameter of the release section (52 d) is enlarged along the core center line (H) and away from the second working section (52 c), and stress is released at one end of the sized reinforcing steel bar.
  3. 3. The tooling system (10) of claim 2, wherein the guide section further comprises a second sub-section (52 a 2) located between the first sub-section (52 a 1) and the first working section (52 b), and the second sub-section (52 a 2) forms a third taper angle (M) with respect to the core centerline (H) such that an inner diameter of the second sub-section (52 a 2) tapers as it extends along the core centerline (H) toward the first working section (52 b) for guiding one end of a rebar into the core through hole (50) along the core centerline (H).
  4. 4. A processing system (10) according to any one of claims 1 to 3, wherein the shaper (12) further comprises: A pair of longitudinal guide rods (40), and the shaping device (42) further includes a housing provided on the pair of longitudinal guide rods (40) movably in a longitudinal direction and a die sleeve fitted to the housing, wherein the die core (52) is fitted to the die sleeve; A rebar positioning device (54) configured to assist in aligning one end of the rebar with the mold core through hole (50), and And a compacting device (58) configured to compact the rebar (86).
  5. 5. A processing system (10) according to any one of claims 1 to 3, wherein the thread rolling machine (16) comprises a pair of thread rolling wheels (62), each of the first and second thread rolling wheels (62) having an outer peripheral surface provided with an external thread, a preset spacing being defined between the outer peripheral surfaces of the first and second thread rolling wheels, each of the first and second thread rolling wheels being configured to be driven to rotate about a third longitudinal axis parallel to the longitudinal direction such that one end of the shaped reinforcing bar is rotationally extruded to form the external thread by the outer peripheral surfaces of the first and second thread rolling wheels upon entering the spacing.
  6. 6. The processing system (10) of claim 5, wherein the thread rolling machine (16) further comprises a stabbing device (59), the stabbing device (59) comprising a pair of vertical guide rods (64), a carriage (66) movably disposed on the pair of vertical guide rods (64) in a vertical direction, a stabbing plate (68) movably connected to the carriage (66) in a vertical direction, and a spring (70) interposed between the carriage (66) and the stabbing plate (68) to provide a vertically downward pre-load force to the stabbing plate (68), wherein the stabbing plate (68) is configured to bear vertically downward against the rebar (86).
  7. 7. The processing system (10) of claim 1, wherein, Each of the conveyor means of the first conveyor (14) and the conveyor means of the second conveyor (18) has a plurality of pairs of rollers, each pair of rollers being configured to be driven during conveyance to rotate about a transverse axis parallel to the transverse direction, and each of the first roller (74) and the second roller (75) of each pair of rollers having a working end face, a preset spacing being defined between the working end face (74 a) of the first roller (74) and the working end face of the second roller (75) to allow the rebar (86) to contact at least one of the working end face (74 a) of the first roller (74) and the working end face of the second roller (75) within the spacing during conveyance; Each of the transfer device of the first conveyor (14) and the transfer device of the second conveyor (18) has a plurality of rotating carriages (78), each rotating carriage (78) being configured to be driven to rotate about a first longitudinal axis parallel to the longitudinal direction during transfer, and each rotating carriage (78) having a first carriage portion (80) and a second carriage portion (82) angularly connected to the first carriage portion (80), wherein the first longitudinal axis extends through the second carriage portion (82), and wherein the first carriage portion (80) is configured to carry a rebar (86) during transfer, and the second carriage portion (82) is configured to guide the rebar (86) to transfer during transfer, and/or The second conveyor (18) comprises at least one levitation device, each of the at least one levitation device comprising a pair of rollers (88) and a driving mechanism, each of the first and second rollers of the pair of rollers (88) configured to rotate about a second longitudinal axis parallel to the longitudinal direction, and each of the first and second rollers having a peripheral surface defining a preset gap therebetween, and the driving mechanism is configured to drive the pair of rollers (88) to move within the gap such that at least one of the peripheral surface of the first roller and the peripheral surface of the second roller contacts the rebar (86).
  8. 8. A processing system (10) according to any one of claims 1 to 3, wherein the processing system (10) further comprises: A wire inspection machine (20) operable to determine whether a rebar junction wire that is resistant to aircraft impact is acceptable, and A third conveyor (22) disposed adjacent to the second conveyor (18) in the transverse direction and including a conveying device and a transfer device, the conveying device of the third conveyor (22) configured to convey the rebar (86) forward to the spinneret detector (20) and back during conveyance in the longitudinal direction, and the transfer device of the second conveyor (18) and the transfer device of the third conveyor (22) configured to cooperate during transfer to transfer the rebar (86) from the second conveyor (18) to the third conveyor (22).
  9. 9. The processing system (10) of claim 8, wherein the spinneret detector (20) includes: a clamping device (96) configured to clamp the reinforcing bar (86), and A detection device (94), comprising: The device comprises a through-stop gauge (98) provided with internal threads matched with a qualified steel bar connecting wire head, a torque providing and measuring device configured to provide and measure torque to the through-stop gauge (98), and a flexible connecting piece (104) which connects the through-stop gauge (98) to the torque providing and measuring device in a torsion-resistant manner so as to allow the through-stop gauge (98) to generate compensation displacement relative to the torque providing and measuring device in a radial direction, wherein the detecting device (94) is configured to drive the through-stop gauge (98) to be screwed to the steel bar connecting wire head capable of resisting aircraft impact through the torque providing and measuring device and measure torque generated during screwing so as to judge whether the steel bar connecting wire head capable of resisting aircraft impact is qualified or not.
  10. 10. The processing system (10) of claim 8, wherein the processing system (10) further comprises: A chamfering machine (24) and a fourth conveyor (26), the chamfering machine (24) being operable to form a chamfer on one end of the rebar before the one end of the rebar is shaped, and the fourth conveyor (26) being arranged adjacent to the first conveyor (14) in a lateral direction and comprising a conveying means and a transferring means, the conveying means of the fourth conveyor (26) being configured to convey the rebar (86) forward to the chamfering machine (24) and back during conveyance, and the transferring means of the fourth conveyor (26) and the transferring means of the first conveyor (14) being configured to cooperate during conveyance to transfer the rebar (86) from the fourth conveyor (26) to the first conveyor (14); A capping machine (28) and a fifth conveyor (30), the capping machine (28) being operable to connect caps to the reinforcement bar that is resistant to aircraft impact with the spinneret belt, and the fifth conveyor (30) being arranged adjacent to the third conveyor (22) in a lateral direction and comprising a conveying means and a transfer means, the conveying means of the fifth conveyor (30) being configured to convey the reinforcement bar (86) forward to the capping machine (28) and back during conveyance, and the transfer means of the third conveyor (22) and the transfer means of the fifth conveyor (30) being configured to cooperate during conveyance to transfer the reinforcement bar (86) from the third conveyor (22) to the fifth conveyor (30); A loading device (32) and a sixth conveyor (34), the sixth conveyor (34) having a transfer device, the loading device (32) being configured to transfer the rebar (86) upwardly to the transfer device of the sixth conveyor (34), the transfer device of the sixth conveyor (34) and the transfer device of the fourth conveyor (26) being configured to cooperate during transfer to transfer the rebar (86) from the sixth conveyor (34) to the fourth conveyor (26), and -A blanking device (36) and a seventh conveyor (38), the seventh conveyor (38) having a transfer device, the transfer device of the fifth conveyor (30) and the transfer device of the seventh conveyor (38) being configured to cooperate during transfer to transfer capped rebar (86) from the fifth conveyor (30) to the seventh conveyor (38), the transfer device of the seventh conveyor (38) transferring capped rebar (86) to the blanking device (36), and the blanking device (36) transporting capped rebar (86) downwardly.

Description

Processing system of steel bar connecting wire head capable of resisting airplane impact Technical Field The present application relates to the technical field of processing metal parts, such as reinforcing bar coupling heads, and more particularly to a processing system for reinforcing bar coupling heads that is resistant to aircraft impacts. Background In civil construction of a nuclear level safety structure such as a nuclear power plant, the connection quality between the steel bars in the concrete structure is important, especially for a structure which shields a factory building and the like from extreme events (such as aircraft collision). In order to prevent the connection between the individual steel bars, i.e. the connection of the steel bar sleeve and the steel bar connection head, from brittle fracture under impact, and to avoid the occurrence of stress weak points in the concrete structure, it is necessary to use a steel bar connection technology that can resist high-speed impact and even the impact of an aircraft. However, the existing steel bar connecting wire head processing is still mainly finished by operating a special machine tool by a technical worker, and has the outstanding technical bottlenecks of high labor intensity, low efficiency, long processing period of a single steel bar connecting wire head, low overall production efficiency, insufficient quality stability due to the fact that steel bar raw materials are heavy, links such as feeding, positioning, carrying and discharging are all dependent on manpower, the key parameters such as external thread precision, perpendicularity and surface quality of the steel bar connecting wire head are highly dependent on the technical level and responsibility center of operators, quality fluctuation introduced by human factors is large, each steel bar connecting wire head is difficult to ensure to meet nuclear grade safety standards, materials and cost are high, processing errors are easily caused by manual operation, steel bar raw materials and steel bar sleeves are wasted, meanwhile, labor cost and management cost are also increased due to the dependence of high-level operators, traceability is lacked, the quality traceability of the whole process cannot be realized due to the fact that the quality of the processing parameters and quality detection result of the steel bar connecting wire head are mainly recorded in paper or manually judged, and the whole process is difficult to form digital files, and the gap exists between the quality requirements of the nuclear industry and high standard quality management requirements. Disclosure of Invention It is an object of the present application to provide a system for processing reinforcing bar coupler head that is resistant to aircraft impacts, which overcomes the technical bottlenecks of the processing modes of existing reinforcing bar coupler heads. According to one aspect of the present application, there is provided a processing system for a rebar junction spinneret resistant to aircraft impacts, wherein the processing system comprises: a shaper operable to shape one end of the rebar such that the shaped one end of the rebar has a predetermined geometry and surface finish; a thread rolling machine operable to machine external threads on one end of the shaped rebar to form a rebar junction head resistant to aircraft impacts; A first conveyor disposed adjacent to the shaper in a longitudinal direction and including a conveyor and a transfer device, the conveyor of the first conveyor being configured to convey reinforcing bars forward to the shaper and to retract backward in the longitudinal direction during conveyance, and A second conveyor disposed adjacent the thread rolling machine in the longitudinal direction and adjacent the first conveyor in the transverse direction and including a conveying device and a transfer device, the conveying device of the second conveyor being configured to transfer the rebar forward to the thread rolling machine and back during the transfer in the longitudinal direction, and the transfer device of the first conveyor and the transfer device of the second conveyor being configured to cooperate during the transfer to transfer the rebar from the first conveyor to the second conveyor, Wherein the shaping machine comprises a shaping device comprising a mold core having a mold core through hole penetrating the mold core along a center line of the mold core, and the shaping device is configured to move in a longitudinal direction so that one end of the reinforcing bar is shaped during the penetration of the mold core through hole, And wherein the mold core comprises, in order along a core centerline, a plurality of sections defining a mold core through-hole, the plurality of sections having inner diameters different from each other. Optionally, the plurality of sections comprises: the guide section comprises a first sub-section, and the inner circumferential surface of