CN103611852A - Automatic replacement fixed knife mechanism for steel bar automatic hoop bending machine - Google Patents
Automatic replacement fixed knife mechanism for steel bar automatic hoop bending machine Download PDFInfo
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- CN103611852A CN103611852A CN201310660061.6A CN201310660061A CN103611852A CN 103611852 A CN103611852 A CN 103611852A CN 201310660061 A CN201310660061 A CN 201310660061A CN 103611852 A CN103611852 A CN 103611852A
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Abstract
The invention discloses an automatic replacement fixed knife mechanism for a steel bar automatic hoop bending machine. According to the automatic replacement fixed knife mechanism, a rotating knife holder is hinged to a cutting fixing frame, and the lower portion of the cutting fixing frame is provided with steel bar cutting holes; a plurality of fixed knives are installed on one side of the rotating knife holder and correspond to the steel bar cutting holes, an inner gear is positioned on the other side of the rotating knife holder, a small gear meshed with the inner gear of the rotating knife holder is positioned at one end of a gear shaft, the other end of the gear shaft is connected with a motor reducer, and the motor reducer is supported on the fixing frame. The automatic replacement fixed knife mechanism has the advantages that the fixed knives of different specifications are installed on the rotating knife holder, the positions of the fixed knives are transformed rotatably through the rotating knife holder so as to process steel bars of different specifications, the steel bars of different specifications can be processed on the steel bar automatic hoop bending machine, and the automatic replacement fixed knife mechanism has the advantages of saving knife replacement time and being wide in production range and high in production efficiency. In addition, the fixed knives are installed on the rotating knife holder through fasteners, and new fixed knives can also be replaced extremely conveniently.
Description
Technical field
What the present invention relates to is steel-bar automatic hoop bender, particularly be the automatic replacing dead knife mechanism of steel-bar automatic hoop bender.
Technical background
Along with economic construction is fast-developing, stirrup automatic processing device---steel-bar automatic hoop bender is widely used.Prior art steel-bar automatic hoop bender comprises: feed mechanism, haulage gear, straightening mechanism, bending mechanism and cutting mechanism.Cutting mechanism in automatic hoop bender is arranged between straightening mechanism and bending mechanism conventionally, and the effect of cutting mechanism is to carry out finished product collection after the stirrup cut-out after brake forming is dropped.
Fig. 4 is the dead knife structural representation in prior art steel-bar automatic hoop bender cutting mechanism;
Fig. 5 be in Fig. 4 B-B cutaway view.
As shown in Figure 4, Figure 5, the dead knife of the automatic hoop bender of prior art comprises; Prior art is sheared fixed mount 16, in prior art, shears on fixed mount 16, by securing member, fixedly tool rest 14 of a prior art is housed, and in prior art, is fixedly fitted with a prior art dead knife 15 in tool rest 14 middle parts.Because the reinforcing bar of different-diameter will be equipped with the prior art dead knife 15 of different pore size, when processing different-diameter reinforcing bar, need to change the dead knife matching with bar diameter.The dead knife of above-mentioned prior art automatic hoop bender exists dead knife processing specification single, change loaded down with trivial details, the defect that production efficiency is low.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of many specifications reinforcing bar of adapt to producing on a hoop bender is provided, dead knife is changed easy, the automatic replacing dead knife mechanism of the steel-bar automatic hoop bender that production efficiency is high.
The technical scheme solving the problems of the technologies described above is:
A kind of automatic replacing dead knife mechanism of steel-bar automatic hoop bender, described automatic replacing dead knife mechanism comprises: a rotary knife base, rotary knife base rotation is hinged on shears on fixed mount, shears fixed mount bottom and carries axial location to be provided with reinforced shear cut hole along reinforcing bar; At rotary knife base, in abutting connection with shearing interval on a side of fixed mount, a plurality of dead knives that run through respectively different size reinforcing bar are installed, the position of centre bore corresponding reinforced shear cut hole respectively on a plurality of dead knives; There is internal gear at center in another side of rotary knife base, and there are corresponding with the position of a plurality of dead knife centre bores respectively a plurality of reinforcing bar pilot holes at the edge of another side of rotary knife base; A gear shaft, gear shaft one end is and the pinion of another side internal gear engagement of rotary knife base that the other end of gear shaft connects motor reducer; Motor reducer is supported on fixed mount.
Preferred version is: between described shearing fixed mount and fixed mount, by securing member, be fixedly connected with, shear fixed mount and fixed mount and be all fixed in frame.
Preferred version is: described a plurality of dead knives are fixed on rotary knife base by securing member respectively; The centre bore of a plurality of dead knives consists of with the straight hole that is connected taper hole taper hole respectively; Described taper hole is in abutting connection with reinforcing bar pilot hole; Described straight hole is in abutting connection with reinforced shear cut hole.
The invention has the beneficial effects as follows: the present invention overcomes the defect of prior art, the present invention interval on a rotary knife base is provided with a plurality of dead knives of different size, by drive unit, rotary knife base is rotated, conversion dead knife position, just can convert dead knife specification, adapt to processing different size reinforcing bar, at a steel-bar automatic hoop bender, can process the reinforcing bar of plurality of specifications, there is the time of saving tool changing, the wide and high advantage of production efficiency of production range.In addition, dead knife is arranged on rotary knife base by securing member, and being fixed to of more renewing is also very convenient.
Accompanying drawing explanation
Fig. 1 is that the present invention partly cuts open front view;
Fig. 2 is A-A cutaway view in Fig. 1;
Fig. 3 is the C portion enlarged drawing of Fig. 1;
Fig. 4 is the dead knife structural representation in prior art steel-bar automatic hoop bender cutting mechanism;
Fig. 5 be in Fig. 4 B-B cutaway view.
Sequence number explanation > > in < < accompanying drawing
1: motor reducer; 2: gear shaft; 2a: pinion; 3: oiliness bearing; 4a: the first dead knife; 4b: the second dead knife; 4c: the 3rd dead knife; 4d: the 4th dead knife; 5: fixed mount; 6: rotary knife base; 6a: reinforcing bar pilot hole; 7: reinforcing bar; 8: bearing; 9: shear fixed mount; 9a: reinforced shear cut hole; 10: frame; 11: movable blade; 12: screw; 13: key; 14: prior art is tool rest fixedly; 15: prior art dead knife; 16: prior art is sheared fixed mount; 17: protective cover.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
As shown in Figure 1 to Figure 3, the invention provides a kind of automatic replacing dead knife mechanism of steel-bar automatic hoop bender, it is characterized in that, described automatic replacing dead knife mechanism comprises:
A rotary knife base 6, rotary knife base 6 is hinged on and is sheared on fixed mount 9 by bearing 8 rotations, shears fixed mount 9 bottoms and carries axial location to be provided with reinforced shear cut hole 9a along reinforcing bar 7.
On a side of rotary knife base 6 adjacency shearing fixed mounts 9, interval is provided with a plurality of dead knives that run through respectively different size reinforcing bar 7, i.e. the first dead knife 4a, the second dead knife 4b, the 3rd dead knife 4c, the 4th dead knife 4d, the position of the first dead knife 4a, the second dead knife 4b, the upper centre bore of the 3rd dead knife 4c, the 4th dead knife 4d is corresponding reinforced shear cut hole 9a respectively;
There is internal gear at center in rotary knife base 6 another sides, and there are corresponding with the position of the first dead knife 4a, the second dead knife 4b, the 3rd dead knife 4c, the 4th dead knife 4d centre bore respectively a plurality of reinforcing bar pilot hole 6a at the edge of rotary knife base 6 another sides;
A gear shaft 2, gear shaft 2 one end are and the pinion 2a of rotary knife base 6 another side internal gear engagements that the other end of gear shaft 2 connects motor reducer 1; Motor reducer 1 is supported on fixed mount 5.
Between described shearing fixed mount 9 and fixed mount 5, by securing member, be fixedly connected with, shear fixed mount 9 and fixed mount 5 and be all fixed in frame 10.
Described the first dead knife 4a, the second dead knife 4b, the 3rd dead knife 4c, the 4th dead knife 4d are fixed on rotary knife base 6 by securing member screw 12 respectively; The centre bore of the first dead knife 4a, the second dead knife 4b, the 3rd dead knife 4c, the 4th dead knife 4d consists of with the straight hole that is connected taper hole taper hole respectively; Described taper hole is in abutting connection with reinforcing bar pilot hole 6a; Described straight hole is in abutting connection with reinforced shear cut hole 9a
In particular, shear the lateral surface of fixed mount 9 in abutting connection with the movable blade 11 moving up and down, movable blade 11 moves down cuts off the reinforcing bar 7 passing from shearing fixed mount 9 lower rebar shearing perforation 9a.
The medial surface of shearing fixed mount 9 has a protrusion cylinder, shearing the inner sleeve of on the protrusion cylinder of fixed mount 9, bearing 8 being installed, the overcoat of bearing 8 is arranged in the centre bore of 6 one sides of rotary knife base, and rotary knife base 6 hinging rotaries are being sheared on the medial surface of fixed mount 9; On 6 one sides of rotary knife base in abutting connection with shearing fixed mount 9 medial surfaces, interval is provided with a plurality of dead knives of different size, to adapt to processing different size reinforcing bar 7.
In rotary knife base 6 another sides, have concentric with centre bore and be greater than the internal gear of centre bore, on this internal gear, be engaged with pinion 2a, pinion 2a is positioned at one end of gear shaft 2, the other end of gear shaft 2 connects motor reducer 1 by key 13, and gear shaft 2 middle parts are hinged on fixed mount 5 by oiliness bearing 3 rotations; In gear shaft 2 outsides, increase and have protective cover 17, protective cover 17 two ends to be separately fixed on fixed mount 5 and motor reducer 1 casing in addition.
When processing different size reinforcing bar 7,1 action of control system (not shown) drive motors reductor, by with motor reducer 1 connection teeth wheel shaft 2 on pinion 2a drive rotary knife base 6 internal tooths to rotate, the dead knife that adapts to reinforcing bar 7 specifications is rotated to and shears fixed mount 9 lower rebar shearing perforation 9a correspondence positions, realization can be processed the reinforcing bar of plurality of specifications at a steel-bar automatic hoop bender, has advantages of that production range is wide and production efficiency is high.
Claims (3)
1. an automatic replacing dead knife mechanism for steel-bar automatic hoop bender, is characterized in that, described automatic replacing dead knife mechanism comprises:
A rotary knife base (6), rotary knife base (6) rotation is hinged on shears fixed mount (9) above, shears fixed mount (9) bottom and carries axial location to be provided with reinforced shear cut hole (9a) along reinforcing bar (7); On a side of rotary knife base (6) adjacency shearing fixed mount (9), interval is provided with a plurality of dead knives (4a, 4b, 4c, 4d) that run through respectively different size reinforcing bar (7), and the position of the upper centre bore of a plurality of dead knives (4a, 4b, 4c, 4d) is corresponding reinforced shear cut hole (9a) respectively; There is internal gear at center in another side of rotary knife base (6), and there are corresponding with the position of a plurality of dead knives (4a, 4b, 4c, 4d) centre bore respectively a plurality of reinforcing bar pilot holes (6a) at the edge of another side of rotary knife base (6);
A gear shaft (2), gear shaft (2) one end is and the pinion (2a) of another side internal gear engagement of rotary knife base (6) that the other end of gear shaft (2) connects motor reducer (1); Motor reducer (1) is supported on fixed mount (5).
2. according to the automatic replacing dead knife mechanism of the steel-bar automatic hoop bender described in claim 1, it is characterized in that, between described shearing fixed mount (9) and fixed mount (5), by securing member, be fixedly connected with, shear fixed mount (9) and fixed mount (5) and be all fixed in frame (10).
3. according to the automatic replacing dead knife mechanism of the steel-bar automatic hoop bender described in claim 1, it is characterized in that, described a plurality of dead knives (4a, 4b, 4c, 4d) are fixed on rotary knife base (6) by securing member respectively; The centre bore of a plurality of dead knives (4a, 4b, 4c, 4d) consists of with the straight hole that is connected taper hole taper hole respectively; Described taper hole is in abutting connection with reinforcing bar pilot hole (6a); Described straight hole is in abutting connection with reinforced shear cut hole (9a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310660061.6A CN103611852B (en) | 2013-12-05 | 2013-12-05 | The automatic replacing dead knife mechanism of steel-bar automatic hoop bender |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310660061.6A CN103611852B (en) | 2013-12-05 | 2013-12-05 | The automatic replacing dead knife mechanism of steel-bar automatic hoop bender |
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| CN103611852A true CN103611852A (en) | 2014-03-05 |
| CN103611852B CN103611852B (en) | 2015-08-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934389A (en) * | 2014-03-28 | 2014-07-23 | 建科机械（天津）股份有限公司 | Multi-face combination fixed cutter of automatic steel bar hoop bending machine |
| CN104493017A (en) * | 2014-12-03 | 2015-04-08 | 建科机械（天津）股份有限公司 | Stirrup cutting device of square steel reinforcement cage forming machine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3533632B2 (en) * | 1999-05-20 | 2004-05-31 | 日本電気エンジニアリング株式会社 | Semiconductor device lead cutting device and lead processing device |
| CN2743059Y (en) * | 2004-11-29 | 2005-11-30 | 天津市建科机械制造有限公司 | Eccentric cutting mechanism of reinforced bar clip bending machine |
| CN201217043Y (en) * | 2008-07-04 | 2009-04-08 | 刘丽英 | Combined dead knife for reinforced bar bending machine |
| CN201711464U (en) * | 2010-05-18 | 2011-01-19 | 中国建筑科学研究院建筑机械化研究分院 | Combined cutting knife of bending hoop machine |
| JP5301518B2 (en) * | 2010-11-12 | 2013-09-25 | 靖治 徳勝 | Hoop cutter |
| CN202123171U (en) * | 2011-06-14 | 2012-01-25 | 浙江晨光电缆股份有限公司 | Cutting machine for thick copper wire |
| CN202162853U (en) * | 2011-07-25 | 2012-03-14 | 山东省农作物种质资源中心 | Multi-functional blade puncher |
| CN203649236U (en) * | 2013-12-05 | 2014-06-18 | 建科机械（天津）股份有限公司 | Automatic stationary knife replacing device of automatic hoop bending machine for reinforcing steel bars |
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2013
- 2013-12-05 CN CN201310660061.6A patent/CN103611852B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934389A (en) * | 2014-03-28 | 2014-07-23 | 建科机械（天津）股份有限公司 | Multi-face combination fixed cutter of automatic steel bar hoop bending machine |
| CN103934389B (en) * | 2014-03-28 | 2016-08-17 | 建科机械（天津）股份有限公司 | The multiaspect of the steel-bar automatic hoop bender fixing cutter of combination |
| CN104493017A (en) * | 2014-12-03 | 2015-04-08 | 建科机械（天津）股份有限公司 | Stirrup cutting device of square steel reinforcement cage forming machine |
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| CN103611852B (en) | 2015-08-19 |
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