CN103785772B - Minor-diameter cored wire bender - Google Patents

Minor-diameter cored wire bender Download PDF

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Publication number
CN103785772B
CN103785772B CN201410035553.0A CN201410035553A CN103785772B CN 103785772 B CN103785772 B CN 103785772B CN 201410035553 A CN201410035553 A CN 201410035553A CN 103785772 B CN103785772 B CN 103785772B
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CN
China
Prior art keywords
wire
hot candied
guide rod
guide
cylinder
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Expired - Fee Related
Application number
CN201410035553.0A
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Chinese (zh)
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CN103785772A (en
Inventor
郭宝良
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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Priority to CN201410035553.0A priority Critical patent/CN103785772B/en
Publication of CN103785772A publication Critical patent/CN103785772A/en
Application granted granted Critical
Publication of CN103785772B publication Critical patent/CN103785772B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a minor-diameter cored wire bender. The minor-diameter cored wire bender comprises a wire guiding device, a wire drawing device and a rack base. The wire drawing device is fixed to the rack base. The wire guiding device is fixed to the side, where the wire drawing device is located, of the rack base. The central axis of a screw rod of the wire guiding device is parallel to the central axis of a mandrel of the wire drawing device. Wire drawing guide rods on a front wire drawing mechanism and wire drawing guide rods on a rear wire drawing mechanism are installed in an alternately staggered mode, wherein the staggering angle is half the included angle between every two adjacent wire drawing guide rods. According to the minor-diameter cored wire bender, the linear motion of the wire guiding device, the one-way full-circle swinging of a winding drum and the radial linear motion of the wire drawing guide rods are matched for completing the bending process of cored wires, idle stroke does not exist, and efficiency is high.

Description

A kind of minor diameter medicine core wire bar folder
Technical field
The invention belongs to wire rod bending forming field, relate to steel wire bar folder, be specifically related to a kind of minor diameter medicine core wire bar folder.
Background technology
High-abrasive material is widely used, especially metal-based compound high-abrasive material has become one of key areas that various countries fall over each other to develop, because all there is defect in various degree in the various production technologies of metal-based compound high-abrasive material, the production technology that China has the original position column composite of intellectual property by oneself can solve existing defect, produce the key in this production technology of the shaping front type body of abrasion resistance material, this type body is arranged by snakelike medicine core wire and is processed, have employed double-track cam in prior art drives silk pressing post and gear silk post to make x direction rectilinear motion, and gear silk post itself makes z direction rectilinear motion along the inclined-plane of row's silk groove, the incomplete gyration that hockets of two wire drawing arms is coordinated to complete the folding silk course of work, the idle stroke of half is there is in the course of work, cause operating efficiency lower, complete machine structure and control system complexity, the processing problems of double-track cam, the wear problem of double-track cam and silk pressing post, friction during gear silk post moves along row silk groove inclined-plane and bite problem all directly can cause thrashing.
Summary of the invention
For the deficiency that prior art exists, the object of the invention is to, a kind of minor diameter medicine core wire bar folder of stability and high efficiency is provided, medicine core wire can be bent to snakelike medicine core wire row, and automatically can enter silk and automatically arrange silk.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme to be achieved:
A kind of minor diameter medicine core wire bar folder, comprises guide wire apparatus, drawing apparatus and gantry base,
Described guide wire apparatus comprises two guidewire shaft bearings, parallel in guidewire shaft bearing guide post and screw mandrel are installed, the rotating shaft that guidewire shaft bearing and seal wire stepper motor are stretched out in one end of screw mandrel is fixedly linked, seal wire stepper motor is fixedly mounted in gantry base, guide post and screw mandrel are provided with the guide wire support moved along guide post and screw mandrel, guide wire support is provided with godet roller; Drawing apparatus is fixed in gantry base, and guide wire apparatus is fixed in the gantry base of drawing apparatus side, the central axis of screw mandrel and the centerline axis parallel of drawing apparatus central shaft in guide wire apparatus;
Described drawing apparatus comprises axle, gear-box and hot candied mechanism, and described gear-box comprises the identical front gear box of structure and rear gear box, and described hot candied mechanism comprises the identical front hot candied mechanism of structure and rear hot candied mechanism; The two ends of described axle are cemented on supporting seat, and supporting seat is fixedly mounted in gantry base, and axle is from front to back successively through front gear box, front hot candied mechanism, rear hot candied mechanism and rear gear box;
Described hot candied mechanism comprises dynamic cylinder, one end of dynamic cylinder is consolidated with dynamic cylinder actuating sleeve, described dynamic cylinder actuating sleeve comprises sleeve and end cap, sleeve is vertically set on the boss-shaped that on end cap, formation centre is through and moves cylinder actuating sleeve, sleeve extend into rotary type in gear-box and is arranged in axle, end cap is cemented in one end of dynamic cylinder, and the other end of dynamic cylinder is consolidated with baffle plate;
In axle in dynamic cylinder, bias is installed with quiet cylinder, and quiet cylinder two ends are consolidated with the spacing ring body of quiet cylinder, and two spacing ring bodies of quiet cylinder and quiet drum outer wall form a cavity; The sidewall of dynamic cylinder is circumferentially evenly processed with guide rod telescopic hole, being provided with in guide rod telescopic hole can along the hot candied guide rod of guide rod telescopic hole stretching motion, the end of hot candied guide rod is stretched in cavity, the end vertical of hot candied guide rod is cemented in the centre position of guide rod supports bar, the two ends of guide rod supports bar are provided with a support wheel separately, support wheel contacts with quiet drum outer wall, and support wheel moves along quiet drum outer wall and drives hot candied guide rod stretching motion in guide rod telescopic hole in cavity;
The central axis of described quiet cylinder and the central axis of dynamic cylinder are all on the same plane parallel with gantry base, the central axis of central axis screw mandrel in guide wire apparatus of quiet cylinder, guide rod telescopic hole is stretched out, retraction guide rod telescopic hole when hot candied guide rod moves to the side away from guide wire apparatus during the side making hot candied guide rod move near guide wire apparatus;
Hot candied guide rod in hot candied guide rod in described front hot candied mechanism and described rear hot candied mechanism replaces arranged in dislocation, and error angle is the half of angle between adjacent two hot candied guide rods in front hot candied mechanism or rear hot candied mechanism;
Sleeve in described gear-box is installed with driven gear, driven gear is engaged with driving gear, driving gear is arranged on power transmission shaft, power transmission shaft is driven by the reel stepper motor be arranged in gantry base, and the power transmission shaft on described front gear box and the power transmission shaft on rear gear box are consolidated and realize the Synchronous Transmission of front gear box and rear gear box.
The present invention also has following technical characteristic:
Described sleeve is arranged in axle by bearing rotary type.
Be coated with gathering sill above the hot candied guide rod of described front hot candied mechanism and rear hot candied mechanism, described gathering sill is fixedly mounted on front gear box and rear gear box top.
The present invention compared with prior art, has following technique effect:
(I) cooperation utilizing the radial alignment of the unidirectional full circle swinging campaign of the rectilinear motion of guide wire apparatus, reel and wire drawing guide rod to move completes the bending process of medicine core wire, and no-idle running, efficiency are high;
(II) move cylinder with driving stepper motor to rotate, thus drive wire drawing guide rod to slide in the guide rod telescopic hole of dynamic cylinder, and the support wheel on guide rod supports bar moves in the annular housing that quiet cylinder and quiet cylinder spacing ring body are formed, wire drawing guide rod auto-extending and retraction can be driven, complete gear silk and running process, structure is simple, and control is simple, performance is good, and cost is low;
(III) guide wire apparatus pulls medicine core wire to realize auto-feed, initiatively enters silk device without the need to motor-driven; After bending, medicine core wire row is automatically closely knit by the extruding action of bending process below becomes snakelike medicine core wire row and moves forward, thus completes and automatically go out row's work, initiatively goes out arranging device without the need to special.
(IV) gathering sill can ensure in bending process, avoid running or jump silk, safe and reliable.
Accompanying drawing explanation
Fig. 1 is overall structure schematic top plan view of the present invention.
Fig. 2 is the overall structure schematic top plan view that Fig. 1 removes gathering sill.
Fig. 3 is the sectional structure schematic diagram of Fig. 2.
Fig. 4 is the A place partial enlargement structural representation of Fig. 3.
Fig. 5 is that the C of Fig. 3 is to stagewise cutaway view structural representation.
Fig. 6 is the front view of the part drawing of gathering sill.
Fig. 7 is the top view of the part drawing of gathering sill.
Fig. 8 is the left view of the part drawing of gathering sill.
In figure, the implication of each label is: 1-guide wire apparatus, 2-drawing apparatus, 3-gantry base, 4-guidewire shaft bearing, 5-guide post, 6-screw mandrel, 7-seal wire stepper motor, 8-guide wire support, 9-godet roller, 10-medicine core wire, 11-axle, 12-supporting seat, (13-1)-front gear box, (13-2)-rear gear box, (14-1)-front hot candied mechanism, (14-2)-rear hot candied mechanism, 15-power transmission shaft, 16-reel stepper motor, 17-moves cylinder, 18-moves cylinder actuating sleeve, 19-sleeve, 20-end cap, 21-baffle plate, the quiet cylinder of 22-, the spacing ring body of the quiet cylinder of 23-, 24-cavity, the hot candied guide rod of 25-, 26-guide rod supports bar, 27-support wheel, 28-driven gear, 29-driving gear, 30-guide rod telescopic hole, 31-bearing, 32-gathering sill.
Below in conjunction with drawings and Examples, in further detail explanation is explained to particular content of the present invention.
Detailed description of the invention
The diameter of medicine core wire 10 is between 3 ~ 5mm, and steel wire center is high-abrasive material powder, and the solid wireline of strength ratio equivalent diameter is much lower, if can cause breaking and cannot be shaping when bending this medicine core wire with bending solid wireline or reinforcing bar equipment.
Below provide specific embodiments of the invention, it should be noted that the present invention is not limited to following specific embodiment, all equivalents done on technical scheme basis all fall into protection scope of the present invention.
Defer to technique scheme, as shown in Figures 1 to 8, the present embodiment provides a kind of minor diameter medicine core wire bar folder, comprise guide wire apparatus 1, drawing apparatus 2 and gantry base 3, described guide wire apparatus 1 comprises two guidewire shaft bearings 4, parallel in guidewire shaft bearing 4 guide post 5 and screw mandrel 6 are installed, one end of screw mandrel 6 is stretched out guidewire shaft bearing 4 and is fixedly linked with the rotating shaft of seal wire stepper motor 7, seal wire stepper motor 7 is fixedly mounted in gantry base 3, guide post 5 and screw mandrel 6 are provided with the guide wire support 8 moved along guide post 5 and screw mandrel 6, guide wire support 8 is provided with godet roller 9, drawing apparatus 2 is fixed in gantry base 3, and guide wire apparatus 1 is fixed in the gantry base 3 of drawing apparatus 2 side, the central axis of screw mandrel 6 and the centerline axis parallel of drawing apparatus 2 central shaft 11 in guide wire apparatus 1,
Described drawing apparatus 2 comprises axle 11, gear-box and hot candied mechanism, and described gear-box comprises structure identical front gear box 13-1 and rear gear box 13-2, and described hot candied mechanism comprises the identical front hot candied mechanism 14-1 of structure and rear hot candied mechanism 14-2; The two ends of described axle 11 are cemented on supporting seat 12, and supporting seat 12 is fixedly mounted in gantry base 3, and axle 11 is from front to back successively through front gear box 13-1, front hot candied mechanism 14-1, rear hot candied mechanism 14-2 and rear gear box 13-2;
Described hot candied mechanism comprises dynamic cylinder 17, one end of dynamic cylinder 17 is consolidated with dynamic cylinder actuating sleeve 18, described dynamic cylinder actuating sleeve 18 comprises sleeve 19 and end cap 20, sleeve 19 is vertically set on the boss-shaped that on end cap 20, formation centre is through and moves cylinder actuating sleeve 18, sleeve 19 extend into rotary type in gear-box and is arranged in axle 11, end cap 20 is cemented in one end of dynamic cylinder 17, and the other end of dynamic cylinder 17 is consolidated with baffle plate 21;
In axle 11 in dynamic cylinder 17, bias is installed with quiet cylinder 22, and quiet cylinder 22 two ends are consolidated with the spacing ring body of quiet cylinder 23, two spacing ring bodies of quiet cylinder 23 and form a cavity 24 with quiet cylinder 22 outer wall; The sidewall of dynamic cylinder 17 is circumferentially evenly processed with guide rod telescopic hole 30, being provided with in guide rod telescopic hole 30 can along the hot candied guide rod 25 of guide rod telescopic hole 30 stretching motion, the end of hot candied guide rod 25 is stretched in cavity 24, the end vertical of hot candied guide rod 25 is cemented in the centre position of guide rod supports bar 26, the two ends of guide rod supports bar 26 are provided with a support wheel 27 separately, support wheel 27 and quiet cylinder 22 wall contacts, support wheel 27 moves along quiet cylinder 22 outer wall and drives hot candied guide rod 25 stretching motion in guide rod telescopic hole 30 in cavity 24;
The central axis of described quiet cylinder 22 and the central axis of dynamic cylinder 17 are all on the same plane parallel with gantry base 3, the central axis of central axis screw mandrel 6 in guide wire apparatus 1 of quiet cylinder 22, guide rod telescopic hole 30 is stretched out, retraction guide rod telescopic hole 30 when hot candied guide rod 25 moves to the side away from guide wire apparatus 1 during the side making hot candied guide rod 25 move near guide wire apparatus 1;
Hot candied guide rod 25 on described front hot candied mechanism 14-1 replaces arranged in dislocation with the hot candied guide rod 25 on described rear hot candied mechanism 14-2, and error angle is the half of angle between adjacent two hot candied guide rods 25 on front hot candied mechanism 14-1 or rear hot candied mechanism 14-2;
Sleeve 19 in described gear-box is installed with driven gear 28, driven gear 28 is engaged with driving gear 29, driving gear 29 is arranged on power transmission shaft 15, power transmission shaft 15 is driven by the reel stepper motor 16 be arranged in gantry base 3, and the power transmission shaft 15 on described front gear box 13-1 and the power transmission shaft 15 on rear gear box 13-2 are consolidated and realize the Synchronous Transmission of front gear box 13-1 and rear gear box 13-2.
Described sleeve 19 is arranged in axle 11 by bearing 31 rotary type.
Be coated with gathering sill 32 above the hot candied guide rod 25 of described front hot candied mechanism 14-1 and rear hot candied mechanism 14-2, described gathering sill 32 is fixedly mounted on front gear box 13-1 and rear gear box 13-2 top.
The course of work of the present invention is as described below:
When specific works, first medicine core wire 10 is hung on the wire drawing guide rod 25 of front wire drawing mechanism 14-1 through guide wire support 8 and godet roller 9, now guide wire support 8 is positioned at rear portion (position near seal wire stepper motor 7), and the wire drawing guide rod 25 of front wire drawing mechanism 14-1 is positioned at the front end of gathering sill 32;
Reel stepper motor 16 drives front wire drawing mechanism 14-1 and rear wire drawing mechanism 14-2 to rotate the half of angle between adjacent two hot candied guide rods 25 on front hot candied mechanism 14-1 or rear hot candied mechanism 14-2 along direction of rotation simultaneously, now the wire drawing guide rod 25 of front wire drawing mechanism 14-1 enters the inside of gathering sill 32, medicine core wire 10 rides on the wire drawing guide rod 25 of the rear wire drawing mechanism 14-2 adjacent and opposite to the direction of rotation with the wire drawing guide rod 25 of front wire drawing mechanism 14-1, and now, the wire drawing guide rod 25 of wire drawing mechanism 14-2 enters the front end of gathering sill 32; Seal wire stepper motor 7 drives screw mandrel 6 thus drives guide wire support 8 to do rectilinear motion to anterior (position away from seal wire stepper motor 7) with godet roller 9 along guide post 5, now medicine core wire 10 is around on the wire drawing guide rod 25 of rear wire drawing mechanism 14-2, completes and once bends.
Reel stepper motor 16 drives front wire drawing mechanism 14-1 and rear wire drawing mechanism 14-2 again to rotate the half of angle between adjacent two hot candied guide rods 25 on front hot candied mechanism 14-1 or rear hot candied mechanism 14-2 along direction of rotation simultaneously, now, to enter gathering sill 32 inner for the wire drawing guide rod 25 of wire drawing mechanism 14-2, on the wire drawing guide rod 25 that medicine core wire 10 rides over the second Ge Qian wire drawing mechanism 14-1 and the wire drawing guide rod 25 of the second Ge Qian wire drawing mechanism 14-1 has entered the front end of gathering sill 32;
Seal wire stepper motor 7 again drives screw mandrel 6 thus drives guide wire support 8 to do rectilinear motion to rear portion (position near seal wire stepper motor 7) with godet roller 9 along guide post 5, now medicine core wire 10 is around on the wire drawing guide rod 25 of the second Ge Qian wire drawing mechanism 14-1, again completes and once bends.
Repeat down so constantly to complete bending process, it is inner that medicine core wire 10 after bending constantly enters gathering sill 32, along with the rotation of front wire drawing mechanism 14-1 and rear wire drawing mechanism 14-2, wire drawing guide rod 25 is progressively retracted along guide rod telescopic hole 30 until all submerge in the dynamic cylinder 17 of front wire drawing mechanism 14-1 and rear wire drawing mechanism 14-2 away from guide wire apparatus 1 gradually, medicine core wire 10 after bending comes off from wire drawing guide rod 25 and forms medicine core wire row, medicine core wire row move along gathering sill 32, squeeze pressure medicine core wire above by newly-generated medicine core wire to arrange and automatically closely knitly become snakelike medicine core wire and arrange.Along with the continuation of front wire drawing mechanism 14-1 and rear wire drawing mechanism 14-2 rotates, submerge front wire drawing mechanism 14-1 and rear wire drawing mechanism 14-2 the wire drawing guide rod 25 of dynamic cylinder 17 progressively progressively stretch out along guide rod telescopic hole 30 near guide wire apparatus 1, participate in bending process below.

Claims (1)

1. a minor diameter medicine core wire bar folder, comprise guide wire apparatus (1), drawing apparatus (2) and gantry base (3), described guide wire apparatus (1) comprises two guidewire shaft bearings (4), guidewire shaft bearing (4) is above parallel is provided with guide post (5) and screw mandrel (6), one end of screw mandrel (6) is stretched out guidewire shaft bearing (4) and is fixedly linked with the rotating shaft of seal wire stepper motor (7), seal wire stepper motor (7) is fixedly mounted in gantry base (3), guide post (5) and screw mandrel (6) are provided with the guide wire support (8) moved along guide post (5) and screw mandrel (6), guide wire support (8) is provided with godet roller (9), it is characterized in that: drawing apparatus (2) is fixed in gantry base (3), guide wire apparatus (1) is fixed in the gantry base (3) of drawing apparatus (2) side, the centerline axis parallel of the axle (11) in guide wire apparatus (1) in the central axis of screw mandrel (6) and drawing apparatus (2),
Described drawing apparatus (2) comprises axle (11), gear-box and hot candied mechanism, described gear-box comprises the identical front gear box of structure (13-1) and rear gear box (13-2), and described hot candied mechanism comprises the identical front hot candied mechanism (14-1) of structure and rear hot candied mechanism (14-2); The two ends of described axle (11) are cemented on supporting seat (12), supporting seat (12) is fixedly mounted in gantry base (3), and axle (11) is from front to back successively through front gear box (13-1), front hot candied mechanism (14-1), rear hot candied mechanism (14-2) and rear gear box (13-2);
Described hot candied mechanism comprises dynamic cylinder (17), one end of dynamic cylinder (17) is consolidated with dynamic cylinder actuating sleeve (18), described dynamic cylinder actuating sleeve (18) comprises sleeve (19) and end cap (20), the boss-shaped that sleeve (19) is vertically set on the upper formation centre of end cap (20) through moves cylinder actuating sleeve (18), sleeve (19) extend into rotary type in gear-box and is arranged in axle (11), end cap (20) is cemented in one end of dynamic cylinder (17), and the other end of dynamic cylinder (17) is consolidated with baffle plate (21);
The upper bias of axle (11) in dynamic cylinder (17) is installed with quiet cylinder (22), quiet cylinder (22) two ends are consolidated with the spacing ring body of quiet cylinder (23), and two spacing ring bodies of quiet cylinder (23) form a cavity (24) with quiet cylinder (22) outer wall, the sidewall of dynamic cylinder (17) is circumferentially evenly processed with guide rod telescopic hole (30), being provided with in guide rod telescopic hole (30) can along the hot candied guide rod of guide rod telescopic hole (30) stretching motion, the end of hot candied guide rod is stretched in cavity (24), the end vertical of hot candied guide rod is cemented in the centre position of guide rod supports bar (26), the two ends of guide rod supports bar (26) are provided with a support wheel (27) separately, support wheel (27) and quiet cylinder (22) wall contacts, support wheel (27) drives hot candied guide rod stretching motion in guide rod telescopic hole (30) along the motion of quiet cylinder (22) outer wall in cavity (24),
The central axis of described quiet cylinder (22) and the central axis of dynamic cylinder (17) are all on the same plane parallel with gantry base (3), the central axis of central axis screw mandrel (6) in guide wire apparatus (1) of quiet cylinder (22), guide rod telescopic hole (30) is stretched out, retraction guide rod telescopic hole (30) when hot candied guide rod moves to the side away from guide wire apparatus (1) during the side making hot candied guide rod move near guide wire apparatus (1);
Hot candied guide rod in hot candied guide rod in described front hot candied mechanism (14-1) and described rear hot candied mechanism (14-2) replaces arranged in dislocation, and error angle is the half of angle between upper adjacent two the hot candied guide rods of front hot candied mechanism (14-1) or rear hot candied mechanism (14-2);
Sleeve (19) in described gear-box is installed with driven gear (28), driven gear (28) is engaged with driving gear (29), driving gear (29) is arranged on power transmission shaft, power transmission shaft is driven by the reel stepper motor (16) be arranged in gantry base (3), and the power transmission shaft on described front gear box (13-1) and the power transmission shaft on rear gear box (13-2) are consolidated and realize the Synchronous Transmission of front gear box (13-1) and rear gear box (13-2);
Described sleeve (19) is arranged in axle (11) by bearing (31) rotary type;
Be coated with gathering sill (32) above described front hot candied mechanism (14-1) and the hot candied guide rod of rear hot candied mechanism (14-2), described gathering sill (32) is fixedly mounted on the top of front gear box (13-1) and rear gear box (13-2).
CN201410035553.0A 2014-01-25 2014-01-25 Minor-diameter cored wire bender Expired - Fee Related CN103785772B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410035553.0A CN103785772B (en) 2014-01-25 2014-01-25 Minor-diameter cored wire bender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410035553.0A CN103785772B (en) 2014-01-25 2014-01-25 Minor-diameter cored wire bender

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CN103785772A CN103785772A (en) 2014-05-14
CN103785772B true CN103785772B (en) 2015-07-15

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2127776A1 (en) * 2008-05-28 2009-12-02 Kugler-Womako GmbH Device for looped-shaped bending of a continuous wire
CN102328004A (en) * 2011-10-12 2012-01-25 西安建筑科技大学 Bending machine for small-diameter wires
CN102441624A (en) * 2011-09-19 2012-05-09 建科机械(天津)股份有限公司 Swing rod type equipment for bending and forming web member reinforcement bar of truss
CN202752507U (en) * 2012-08-30 2013-02-27 齐军 Wire winding mechanism of wire winding machine of S-shaped electric heating fuse
CN203711700U (en) * 2014-01-25 2014-07-16 西安建筑科技大学 Small-diameter flux-cored steel wire bending machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2127776A1 (en) * 2008-05-28 2009-12-02 Kugler-Womako GmbH Device for looped-shaped bending of a continuous wire
CN102441624A (en) * 2011-09-19 2012-05-09 建科机械(天津)股份有限公司 Swing rod type equipment for bending and forming web member reinforcement bar of truss
CN102328004A (en) * 2011-10-12 2012-01-25 西安建筑科技大学 Bending machine for small-diameter wires
CN202752507U (en) * 2012-08-30 2013-02-27 齐军 Wire winding mechanism of wire winding machine of S-shaped electric heating fuse
CN203711700U (en) * 2014-01-25 2014-07-16 西安建筑科技大学 Small-diameter flux-cored steel wire bending machine

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Application publication date: 20140514

Assignee: Tongchuan Zhongxing Material Co., Ltd.

Assignor: Xi'an Architectural Sci & Tech. Univ.

Contract record no.: 2015610000107

Denomination of invention: Minor-diameter cored wire bender

Granted publication date: 20150715

License type: Exclusive License

Record date: 20151218

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150715

Termination date: 20190125

CF01 Termination of patent right due to non-payment of annual fee