CN104148435A - Extrusion forming feeding device for rebar connecting sleeve blank - Google Patents
Extrusion forming feeding device for rebar connecting sleeve blank Download PDFInfo
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- CN104148435A CN104148435A CN201410332865.8A CN201410332865A CN104148435A CN 104148435 A CN104148435 A CN 104148435A CN 201410332865 A CN201410332865 A CN 201410332865A CN 104148435 A CN104148435 A CN 104148435A
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- 238000001125 extrusion Methods 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 230000003028 elevating effect Effects 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 17
- 230000008450 motivation Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
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Abstract
The invention relates to an extrusion forming feeding device for a rebar connecting sleeve blank and belongs to the technical field of extrusion forming equipment for the rebar connecting sleeve blank and the extrusion forming feeding device is used for conveying materials among stations in the extrusion forming process of the rebar connecting sleeve blank. According to the extrusion forming feeding device, a crank shaft of a pressure machine is utilized to output power which is transferred to a left case body and a right case body, and a manipulator execution part is driven to move by two gear transmission mechanisms, transverse transmission mechanisms, lifting transmission mechanisms and longitudinal clamping transmission mechanisms of the same structures, so as to complete conveying of the connecting sleeve blank among the stations. The extrusion forming feeding device fills up the blank of extrusion forming feeding equipment for the rebar connecting sleeve blank, provides a proper material conveying device for extrusion forming of the rebar connecting sleeve blank and has the advantages of reasonable layout, accuracy in feeding, reliability in operation. By using the extrusion forming feeding device, the mechanical automation degree in the extrusion forming of the rebar connecting sleeve blank can be greatly increased, and the extrusion forming feeding device has obvious meanings and effects on improving the production efficiency and increasing the economic benefits.
Description
Technical field
The present invention relates to device for transporting objects between the station in a kind of reinforced bar jointing sleeve blank extrusion modling process, belong to reinforced bar jointing sleeve blank extrusion modling technical field of processing equipment.
Background technology
Reinforced bar jointing sleeve is widely used in, in the reinforcing bar connection of the heavy constructions such as bridge, subway, nuclear power, super-high buildings, hydraulic engineering, along with the development of construction market, having the Production requirement of the very huge reinforced bar jointing sleeve of quantity.During screwing steel bars adapter sleeve, according to the feature of blank, have different processing methods, a kind of is to adopt seamless pipe to be cutting into the blank of base and bar boring, and another kind is mainly for extruding and forges the blank that breaks into shape.Each reinforced bar jointing sleeve is produced and is mostly adopted the first blank to process at present, but the shortcoming of this process is that operation is many, production efficiency is low, part production cost is high, stock utilization is low.And the second blank processing method can be saved production material, improve the mechanical performance of blank, be applicable to produce in enormous quantities, be necessary to greatly develop.But be not applicable to the supporting plant equipment of maturation of blank extrusion modling processing method at present, for this reason, must develop the mechanical facility that is applicable to the extrusion modling of reinforced bar jointing sleeve blank, comprising the pay-off of automation.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of reinforced bar jointing sleeve blank extrusion modling pay-off, and this feeding device can carry out self-feeding for blank extrusion modling processing, to improve the mechanical automation degree of equipment, enhances productivity.
The technical scheme solving the problems of the technologies described above is:
A kind of reinforced bar jointing sleeve blank extrusion modling pay-off, it is by motivation transfer motion part, mechanical driving part, manipulator operating part forms, mechanical driving part comprises left box body and right case, left box body and right case are fixedly mounted on respectively press frame both sides, left box body with in right case, have respectively the gear drive that structure is identical, transition driving mechanism, elevating drive mechanism, longitudinal clamp transmission mechanism, one end of motivation transfer motion part is connected with the drift bent axle outer end of forcing press, the other end of motivation transfer motion part is connected with the gear drive in left box body, gear drive respectively with transition driving mechanism, elevating drive mechanism, longitudinally clamp transmission mechanism is connected, transition driving mechanism, elevating drive mechanism, longitudinally clamp transmission mechanism is connected with manipulator operating part respectively, between the gear drive of left box body and the gear drive of right case, by horizontal drive shaft, be connected, the gear drive synchronization action of the gear drive of left box body and right case.
Above-mentioned reinforced bar jointing sleeve blank extrusion modling pay-off, described motivation transfer motion part is comprised of cross Cardan shaft, shaft coupling, bevel gear side steering, horizontal drive shaft, one end of bevel gear side steering is connected with the outer end of press crankshaft by shaft coupling, the other end of bevel gear side steering is connected with cross Cardan shaft by shaft coupling, and cross Cardan shaft is connected with the gear drive of mechanical driving part.
Above-mentioned reinforced bar jointing sleeve blank extrusion modling pay-off, the gear drive of described mechanical driving part comprises transmission main shaft, sloth wheel gear, travelling gear, outer shaft gear, interior shaft gear, transmission main shaft is connected with one end of horizontal drive shaft by bevel gear, sloth wheel gear, and transmission main shaft is connected with elevating drive mechanism with longitudinal clamp transmission mechanism, transition driving mechanism through two 3 grades of driving gear set respectively.
Above-mentioned reinforced bar jointing sleeve blank extrusion modling pay-off, the transition driving mechanism of described mechanical driving part is by distributing outer shaft, incomplete tooth bar seat, two-way incomplete tooth bar, travel multiplier tooth bar seat, travel multiplier tooth bar, position retainer, roller, traversing tooth bar seat, longitudinal slide rail, longitudinal sliding block, traversing slide block forms, distribute a side tooth bar engagement that has partial gear and two-way incomplete tooth bar on outer shaft, not exclusively on tooth bar seat, gear is installed, travel multiplier tooth bar is positioned at incomplete tooth bar seat both sides, traversing tooth bar seat is slidably matched with horizontal slide rail, one end of traversing tooth bar seat connects longitudinal slide rail, traversing slide block is slidably matched with longitudinal slide rail, position retainer and roller are distributing the partial gear on outer shaft to contact with two-way incomplete tooth bar ledge with under the state of two-way incomplete tooth bar without engagement.
Above-mentioned reinforced bar jointing sleeve blank extrusion modling pay-off, the elevating drive mechanism of described mechanical driving part comprises distribution outer shaft, lifting support, hoistable platform, support spring, spring lead, distribute between outer shaft and lifting support and be connected by key, lifting support contacts with hoistable platform, the spring lead hoistable platform that is threaded, support spring is sleeved on spring lead.
Above-mentioned reinforced bar jointing sleeve blank extrusion modling pay-off, longitudinal clamp transmission mechanism of described mechanical driving part comprises axle, fastening spring in distribution, opens roller, struts support, in distributing, axle connects and struts support with key, open roller and be arranged on the two ends that strut support, opening roller contacts with the sidewall of longitudinal sliding block, the rail plate groove of the two ends of longitudinal sliding block and hoistable platform upper surface is for being slidably matched, longitudinal sliding block is connected by bolt with two traversing slide blocks, has fastening spring to connect between two traversing slide blocks.
Above-mentioned reinforced bar jointing sleeve blank extrusion modling pay-off, described manipulator executing agency is comprised of connecting plate, mechanical arm, paw seat, paw, and connecting plate connects respectively traversing slide block and mechanical arm with bolt, and paw is connected on paw seat with spring.
Usefulness of the present invention is:
The present invention utilizes the bent axle outputting power of forcing press, through motivation transfer motion part by the left box body and right case of transmission of power identical mechanical driving part to structure, by the identical gear drive of two nested structures, transition driving mechanism, elevating drive mechanism, longitudinally clamp transmission mechanism driving device hand executing agency moves, the material loading action that has realized manipulator coordinates the extruding action of assembling die, completes that adapter sleeve blank is thick at material loading, pier, the mass transport between backward extrusion and punching, a plurality of stations of blanking.The present invention has filled up the blank of the extrusion modling feeder equipment of reinforced bar jointing sleeve blank, for the extrusion modling of reinforced bar jointing sleeve blank, process suitable multi-station material conveyer is provided, and have rationally distributed, be connected perfect, feeding is accurate, the advantage such as reliable, the supporting arrangement of pay-off of the suitable processing of the extrusion modling as reinforced bar jointing sleeve blank of the present invention is used, can make the automatic and mechanical degree of the extrusion modling processing of reinforced bar jointing sleeve blank be greatly improved, to enhancing productivity, increase economic benefit, the labour intensity that alleviates operator has significant meaning and effect.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the left view of mechanical driving part left box body;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is manipulator operating part top view.
Number in the figure is as follows: forcing press 1, manipulator link 2, left box body 3, cross Cardan shaft 4, shaft coupling 5, bevel gear side steering 6, extrusion die 7, manipulator executing agency 8, right case 9, horizontal drive shaft 10, power box 11, transmission main shaft 12, sloth wheel gear 13, transmission case body 14, horizontal slide rail 15, 1 fastening spring 6, open roller 17, traversing slide block 18, hoistable platform 19, strut support 20, axle 21 in distributing, longitudinal slide rail 22, longitudinal sliding block 23, traversing tooth bar seat 24, travelling gear 25, bevel gear 26, transmission case body upper cover 27, distribute outer shaft 28, lifting support 29, support spring 30, spring lead 31, travel multiplier tooth bar seat 32, travel multiplier tooth bar 33, incomplete tooth bar seat 34, two-way incomplete tooth bar 35, position retainer 36, roller 37, outer shaft gear 38, interior shaft gear 39, connecting plate 40, mechanical arm 41, paw seat 42, paw 43.
The specific embodiment
The present invention is comprised of motivation transfer motion part, mechanical driving part, manipulator operating part.Mechanical driving part comprises left box body 3 and right case 9, left box body 3 and right case 9 are fixedly mounted on respectively forcing press 1 fuselage both sides, and left box body 3 and right case 9 be interior respectively gear drive that structure is identical, transition driving mechanism, elevating drive mechanism, longitudinal clamp transmission mechanism.
The power of forcing press 1 is passed to left box body 3 and the right case 9 of mechanical driving part through motivation transfer motion part, longitudinally clamp transmission mechanism driving mechanical hand operating part completes after the clamping action of blank workpiece, workpiece lifting after elevating drive mechanism driving mechanical hand operating part completes and clamps, transition driving mechanism driving mechanical hand operating part completes the feeding that moves ahead after Workpiece clamping, lifting.After putting in place, elevating drive mechanism driving mechanical hand operating part declines, longitudinally clamp transmission mechanism driving mechanical hand operating part unclamps blank workpiece subsequently, elevating drive mechanism driving mechanical hand operating part rises, transition driving mechanism driving mechanical hand operating part is got back to initialization state, thereby has completed feeding task one time.
In figure, show, motivation transfer motion part is comprised of cross Cardan shaft 4, shaft coupling 5, bevel gear side steering 6, horizontal drive shaft 10.One end of bevel gear side steering 6 is connected with the outer end of forcing press 1 bent axle by shaft coupling, the other end of bevel gear side steering 6 is connected with cross Cardan shaft 4 by shaft coupling 5, and cross Cardan shaft 4 is connected with the gear drive of mechanical driving part.
In figure, show, the gear drive of mechanical driving part comprises transmission main shaft 12, sloth wheel gear 13, travelling gear 25, outer shaft gear 38, interior shaft gear 39.Transmission main shaft 12 is connected with one end of horizontal drive shaft 10 by bevel gear 26, sloth wheel gear 13, and transmission main shaft 12 is connected with elevating drive mechanism with longitudinal clamp transmission mechanism, transition driving mechanism through two 3 grades of driving gear set respectively.
In figure, show, the transition driving mechanism of mechanical driving part is by distributing outer shaft 28, incomplete tooth bar seat 34, two-way incomplete tooth bar 35, travel multiplier tooth bar seat 32, travel multiplier tooth bar 33, position retainer 36, roller 37, traversing tooth bar seat 24, longitudinal slide rail 22, longitudinal sliding block 23, traversing slide block 18 to form.Wherein longitudinally slide rail 22, longitudinal sliding block 23, traversing slide block 18 share with longitudinal clamp transmission mechanism.Distribute a side tooth bar engagement that has partial gear and two-way incomplete tooth bar 35 on outer shaft 28, not exclusively on tooth bar seat 34, gear is installed, travel multiplier tooth bar 33 is positioned at incomplete tooth bar seat 34 both sides, traversing tooth bar seat 24 moves ahead along horizontal slide rail 15, traversing tooth bar seat 24 connects longitudinal slide rail 22 and drives traversing slide block 18 to move ahead, and completes that manipulator is traversing to move ahead; Distribute partial gear on outer shaft 28 to mesh with the opposite side tooth bar of two-way incomplete tooth bar 35, complete that manipulator is traversing to be retreated; Position retainer 36 contacts with two-way incomplete tooth bar 35 ledges with under the state of two-way incomplete tooth bar 35 without engagement at partial gear with roller 37, and while guaranteeing manipulator without traversing action, position is fixed.
In figure, show, the elevating drive mechanism of mechanical driving part comprises distribution outer shaft 28, lifting support 29, hoistable platform 19, support spring 30, spring lead 31.Distribute outer shaft 28 to be connected by key with 29 of lifting supports, lifting support 29 contacts with hoistable platform 19.Distributing outer shaft 28 to rotarily drive lifting support 29 slides at hoistable platform 19 lower surfaces, hoistable platform 19 lower surfaces are processed with height different-thickness two parts, during the large position of lifting support 29 contact hoistable platform 19 thickness, hoistable platform 19 is by jack-up, and manipulator clamping work pieces completes lifting action; Otherwise touch hoistable platform 19 thickness fractions, hoistable platform 19 declines, and completes the action of manipulator decline blowing.Spring lead 31 hoistable platform 19 that is threaded, support spring 30 is sleeved on spring lead 31, and support spring 30 plays supplemental support effect with spring lead 31.
In figure, show, longitudinal clamp transmission mechanism of mechanical driving part comprises axle 21, fastening spring 16 in distribution, opens roller 17, struts support 20, in distributing, axle 21 connects and struts support 20 with key, drives to connect strut support 20 and open rotation together with roller 17 on it.Open roller 17 and be arranged on the two ends that strut support 20, opening roller 17 contacts with the sidewall of longitudinal sliding block 23, the rail plate groove of the two ends of longitudinal sliding block 23 and hoistable platform 19 upper surfaces is for being slidably matched, longitudinal sliding block 23 is connected by bolt with two traversing slide blocks 18, realized the bolted two traversing slide blocks 18 of longitudinal sliding block 23 longitudinally separated, manipulator opens.Between two traversing slide blocks 18, there is fastening spring 16 to connect.When open roller 17 be rotated further disengage with longitudinal sliding block 23 after under the clamping force of fastening spring 16, the longitudinal relative motion of two traversing slide blocks 18, thereby clamping work pieces.Longitudinal sliding block 23 and the surface configuration of opening roller 17 contact-making surfaces, determine the duration that manipulator opens or clamps.
In figure, show, manipulator operating part is comprised of connecting plate 40, mechanical arm 41, paw seat 42, paw 43.Connecting plate 40 connects respectively traversing slide block 18 and mechanical arm 41 with bolt, and paw 43 is connected on paw seat 42 with spring.When traversing slide block 18 transverse movements, two mechanical arms 41 are traversing, realize between the station of blank workpiece and transport and return; When traversing slide block 18 lengthwise movements, two mechanical arm 41 spacing change, and realize the crawl of blank workpiece and loosen; When traversing slide block 18 elevating movements, two mechanical arm elevating movements, realize lifting and the decline of blank workpiece.
Claims (7)
1. a reinforced bar jointing sleeve blank extrusion modling pay-off, is characterized in that: it is by motivation transfer motion part, mechanical driving part, manipulator operating part forms, mechanical driving part comprises left box body (3) and right case (9), left box body (3) and right case (9) are fixedly mounted on respectively forcing press (1) fuselage both sides, and left box body (3) has respectively with in right case (9) gear drive that structure is identical, transition driving mechanism, elevating drive mechanism, longitudinal clamp transmission mechanism, one end of motivation transfer motion part is connected with the drift bent axle outer end of forcing press (1), the other end of the motivation transfer motion part gear drive interior with left box body (3) is connected, gear drive respectively with transition driving mechanism, elevating drive mechanism, longitudinally clamp transmission mechanism is connected, transition driving mechanism, elevating drive mechanism, longitudinally clamp transmission mechanism is connected with manipulator operating part respectively, between the gear drive of left box body (3) and the gear drive of right case (9), by horizontal drive shaft (10), be connected, and the gear drive of left box body (3), transition driving mechanism, elevating drive mechanism, the gear drive of longitudinal clamp transmission mechanism and right case (9), transition driving mechanism, elevating drive mechanism, longitudinal clamp transmission mechanism synchronization action.
2. reinforced bar jointing sleeve blank extrusion modling pay-off according to claim 1, it is characterized in that: described motivation transfer motion part is by cross Cardan shaft (4), shaft coupling (5), bevel gear side steering (6), horizontal drive shaft (10) forms, one end of bevel gear side steering (6) is connected with the outer end of press crankshaft by shaft coupling, the other end of bevel gear side steering (6) is connected with cross Cardan shaft (4) by shaft coupling (5), cross Cardan shaft (4) is connected with the gear drive of mechanical driving part.
3. reinforced bar jointing sleeve blank extrusion modling pay-off according to claim 1 and 2, it is characterized in that: the gear drive of described mechanical driving part comprises transmission main shaft (12), sloth wheel gear (13), travelling gear (25), outer shaft gear (38), interior shaft gear (39), transmission main shaft (12) is by bevel gear (26), sloth wheel gear (13) is connected with one end of horizontal drive shaft (10), transmission main shaft (12) is respectively through two 3 grades of driving gear set and longitudinal clamp transmission mechanism, transition driving mechanism is connected with elevating drive mechanism.
4. reinforced bar jointing sleeve blank extrusion modling pay-off according to claim 3, it is characterized in that: the transition driving mechanism of described mechanical driving part is by distributing outer shaft (28), incomplete tooth bar seat (34), two-way incomplete tooth bar (35), travel multiplier tooth bar seat (32), travel multiplier tooth bar (33), position retainer (36), roller (37), traversing tooth bar seat (24), longitudinal slide rail (22), longitudinal sliding block (23), traversing slide block (18) forms, distribute a side tooth bar engagement that has partial gear and two-way incomplete tooth bar (35) on outer shaft (28), not exclusively tooth bar seat (34) is above installed gear, travel multiplier tooth bar (33) is positioned at incomplete tooth bar seat (34) both sides, traversing tooth bar seat (24) is slidably matched with horizontal slide rail (15), one end of traversing tooth bar seat (24) connects longitudinal slide rail (22), traversing slide block (18) is slidably matched with longitudinal slide rail (22), position retainer (36) and roller (37) are distributing the partial gear on outer shaft (28) to contact with two-way incomplete tooth bar (35) ledge with under the state of two-way incomplete tooth bar (35) without engagement.
5. reinforced bar jointing sleeve blank extrusion modling pay-off according to claim 4, it is characterized in that: the elevating drive mechanism of described mechanical driving part comprises distribution outer shaft (28), lifting support (29), hoistable platform (19), support spring (30), spring lead (31), distribute between outer shaft (28) and lifting support (29) and be connected by key, lifting support (29) contacts with hoistable platform (19), spring lead (31) hoistable platform (19) that is threaded, support spring (30) is sleeved on spring lead (31).
6. reinforced bar jointing sleeve blank extrusion modling pay-off according to claim 5, it is characterized in that: longitudinal clamp transmission mechanism of described mechanical driving part comprises axle (21) in distribution, fastening spring (16), open roller (17), strut support (20), in distributing, axle (21) connects and struts support (20) with key, open roller (17) and be arranged on the two ends that strut support (20), opening roller (17) contacts with the sidewall of longitudinal sliding block (23), the rail plate groove of the two ends of longitudinal sliding block (23) and hoistable platform (19) upper surface is for being slidably matched, longitudinal sliding block (23) is connected by bolt with two traversing slide blocks (18), between two traversing slide blocks (18), there is fastening spring (16) to connect.
7. reinforced bar jointing sleeve blank extrusion modling pay-off according to claim 6, it is characterized in that: described manipulator executing agency is comprised of connecting plate (40), mechanical arm (41), paw seat (42), paw (43), connecting plate (40) connects respectively traversing slide block (18) and mechanical arm (41) with bolt, and paw (43) is connected on paw seat (42) with spring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410332865.8A CN104148435B (en) | 2014-07-14 | 2014-07-14 | The extruded pay-off of a kind of reinforced bar jointing sleeve blank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410332865.8A CN104148435B (en) | 2014-07-14 | 2014-07-14 | The extruded pay-off of a kind of reinforced bar jointing sleeve blank |
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| CN104148435A true CN104148435A (en) | 2014-11-19 |
| CN104148435B CN104148435B (en) | 2016-01-20 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106799413A (en) * | 2016-12-16 | 2017-06-06 | 安徽普伦智能装备有限公司 | A kind of sheet metal component bender |
| CN112517816A (en) * | 2020-10-16 | 2021-03-19 | 中北大学 | Bidirectional intermittent differential upsetting composite extrusion forming method for outer longitudinal rib cylindrical part |
| CN112517657A (en) * | 2020-10-16 | 2021-03-19 | 中北大学 | Bidirectional differential extrusion forming method for outer longitudinal rib cylindrical part |
| CN112517658A (en) * | 2020-10-16 | 2021-03-19 | 中北大学 | Bidirectional differential extrusion forming die for external longitudinal rib cylindrical part |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106825108B (en) * | 2016-12-16 | 2018-07-10 | 安徽普伦智能装备有限公司 | A kind of bending machine of square aluminium tube manufacture |
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| CN112517657A (en) * | 2020-10-16 | 2021-03-19 | 中北大学 | Bidirectional differential extrusion forming method for outer longitudinal rib cylindrical part |
| CN112517658A (en) * | 2020-10-16 | 2021-03-19 | 中北大学 | Bidirectional differential extrusion forming die for external longitudinal rib cylindrical part |
| CN112517657B (en) * | 2020-10-16 | 2022-04-08 | 中北大学 | Bidirectional differential extrusion forming method for outer longitudinal rib cylindrical part |
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Effective date of registration: 20170531 Address after: 052160 Shijiazhuang economic and Technological Development Zone, Hebei City Industrial Street, No. 38 Patentee after: HEBEI YIDA REINFORCING BAR CONNECTING TECHNOLOGY Co.,Ltd. Address before: 050018 Shijiazhuang, Yuhua Province Yu Xiang street, No. 26 Patentee before: Hebei University of Science and Technology |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hao Fayi Inventor after: Zhang Shaojin Inventor before: Zhang Jiayu Inventor before: Niu Huli |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 052160 No.6 Dongning Road, East Park, Shijiazhuang Economic and Technological Development Zone, Gaocheng District, Shijiazhuang City, Hebei Province Patentee after: Hebei Yida Nuclear Union Machinery Manufacturing Co.,Ltd. Country or region after: China Address before: 052160 No. 38 Xingye Street, Shijiazhuang Economic and Technological Development Zone, Hebei Province Patentee before: HEBEI YIDA REINFORCING BAR CONNECTING TECHNOLOGY Co.,Ltd. Country or region before: China |