CN203649236U - Automatic stationary knife replacing device of automatic hoop bending machine for reinforcing steel bars - Google Patents
Automatic stationary knife replacing device of automatic hoop bending machine for reinforcing steel bars Download PDFInfo
- Publication number
- CN203649236U CN203649236U CN201320800655.8U CN201320800655U CN203649236U CN 203649236 U CN203649236 U CN 203649236U CN 201320800655 U CN201320800655 U CN 201320800655U CN 203649236 U CN203649236 U CN 203649236U
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- automatic
- rotary knife
- fixed mount
- reinforcing steel
- dead
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Abstract
The utility model discloses an automatic stationary knife replacing device of an automatic hoop bending machine for reinforcing steel bars. According to the automatic stationary knife replacing device, a rotary knife holder is rotatably hinged to a shearing fixed frame, reinforcing steel bar shearing holes are formed in the lower portion of the shearing fixed frame, a plurality of stationary knives are arranged on one lateral surface of the rotary knife holder and correspond to the reinforcing steel bar shearing holes, an inner gear is formed on the other lateral surface of the rotary knife holder, a small gear meshed with the inner gear of the rotary knife holder is arranged at one end of a gear shaft, and the other end of the gear shaft is connected with a motor speed reducer supported on the fixed frame. The automatic stationary knife replacing device of the automatic hoop bending machine for the reinforcing steel bars has the advantages that the plurality of stationary knives different in specifications are arranged on the rotary knife holder, positions of the stationary knives are changed by means of rotation of the rotary knife holder to adapt to machine the reinforcing steel bars different in specifications, the reinforcing steel bars different in specifications can be machined through one automatic hoop bending machine for the reinforcing steel bars, and therefore, the automatic stationary knife replacing device has the advantages of saving knife replacing time and being wide in production range and high in production efficiency. Furthermore, the stationary knives are arranged on the rotary knife holder through fasteners, and new stationary knives can be replaced conveniently.
Description
Technical field
The utility model relates to steel-bar automatic hoop bender, particularly be the automatic replacing dead knife device of steel-bar automatic hoop bender.
Technical background
Along with economic construction fast development, 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 shear;
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, shears on fixed mount 16, by securing member, the fixing tool rest 14 of a prior art is housed in prior art, is fitted with a prior art dead knife 15 at the fixing tool rest of prior art 14 middle parts.Because the reinforcing bar of different-diameter will be equipped with the prior art dead knife 15 of different pore size, in the time of 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 purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of many specifications reinforcing bar that adapts to produce on a hoop bender is provided, and dead knife is changed easy, the automatic replacing dead knife device 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 device of steel-bar automatic hoop bender, described automatic replacing dead knife device 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; In abutting connection with shearing interval on a side of fixed mount, the multiple dead knives that run through respectively different size reinforcing bar are installed at rotary knife base, the position of centre bore corresponding reinforced shear cut hole respectively on multiple dead knives; There is internal gear at center in another side of rotary knife base, and there are corresponding with the position of multiple dead knife centre bores respectively multiple reinforcing bar pilot holes at the edge of another side of rotary knife base; A gear shaft, gear shaft one end is the pinion engaging with another side internal gear of rotary knife base, 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, be fixedly connected with by securing member, shear fixed mount and fixed mount and be all fixed in frame.
Preferred version is: described multiple dead knives are fixed on rotary knife base by securing member respectively; The centre bore of multiple dead knives is made up 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 beneficial effects of the utility model are: the utility model overcomes the defect of prior art, the utility model interval on a rotary knife base is provided with multiple dead knives of different size, make rotary knife base rotation by drive unit, conversion dead knife position, just can convert dead knife specification, adapt to processing different size reinforcing bar, can process the reinforcing bar of plurality of specifications at a steel-bar automatic hoop bender, there is time of tool changing of saving, 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.
Brief description of the drawings
Fig. 1 is that the utility model 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 shear;
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 fixed tool rest; 15: prior art dead knife; 16: prior art is sheared fixed mount; 17: protective cover.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1 to Figure 3, the utility model provides a kind of automatic replacing dead knife device of steel-bar automatic hoop bender, it is characterized in that, described automatic replacing dead knife device 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 the multiple 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 corresponding reinforced shear cut hole 9a respectively 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;
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 multiple 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 the pinion 2a that engage with rotary knife base 6 another side internal gears, 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, be fixedly connected with by securing member, 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 is made up 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 multiple dead knives of different size, to adapt to process different size reinforcing bar 7.
Have concentric with centre bore in rotary knife base 6 another sides 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; 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 gear shaft 2 outsides in addition.
In the time of processing different size reinforcing bar 7, control system (not shown) drive motors reductor 1 moves, by with motor reducer 1 connection teeth wheel shaft 2 on pinion 2a drive rotary knife base 6 internal tooths 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, realize and can process the reinforcing bar of plurality of specifications at a steel-bar automatic hoop bender, have advantages of that production range is wide and production efficiency is high.
Claims (3)
1. an automatic replacing dead knife device for steel-bar automatic hoop bender, is characterized in that, described automatic replacing dead knife device 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 the multiple dead knives (4a, 4b, 4c, 4d) that run through respectively different size reinforcing bar (7), the position of the upper centre bore of multiple dead knives (4a, 4b, 4c, 4d) 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 multiple dead knives (4a, 4b, 4c, 4d) centre bore respectively multiple 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 the pinion (2a) engaging with another side internal gear of rotary knife base (6), 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 device 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), be fixedly connected with by securing member, shear fixed mount (9) and fixed mount (5) and be all fixed in frame (10).
3. according to the automatic replacing dead knife device of the steel-bar automatic hoop bender described in claim 1, it is characterized in that, described multiple dead knives (4a, 4b, 4c, 4d) are fixed on rotary knife base (6) by securing member respectively; The centre bore of multiple dead knives (4a, 4b, 4c, 4d) is made up 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 |
|---|---|---|---|
| CN201320800655.8U CN203649236U (en) | 2013-12-05 | 2013-12-05 | Automatic stationary knife replacing device of automatic hoop bending machine for reinforcing steel bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800655.8U CN203649236U (en) | 2013-12-05 | 2013-12-05 | Automatic stationary knife replacing device of automatic hoop bending machine for reinforcing steel bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203649236U true CN203649236U (en) | 2014-06-18 |
Family
ID=50915673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320800655.8U Withdrawn - After Issue CN203649236U (en) | 2013-12-05 | 2013-12-05 | Automatic stationary knife replacing device of automatic hoop bending machine for reinforcing steel bars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203649236U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611852B (en) * | 2013-12-05 | 2015-08-19 | 建科机械（天津）股份有限公司 | The automatic replacing dead knife mechanism of steel-bar automatic hoop bender |
| CN107774845A (en) * | 2017-11-29 | 2018-03-09 | 陕西航空电气有限责任公司 | A kind of miniature multi-function parting tool |
| CN112453281A (en) * | 2020-11-23 | 2021-03-09 | 建科机械（天津）股份有限公司 | Steel bar shearing device |
-
2013
- 2013-12-05 CN CN201320800655.8U patent/CN203649236U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103611852B (en) * | 2013-12-05 | 2015-08-19 | 建科机械（天津）股份有限公司 | The automatic replacing dead knife mechanism of steel-bar automatic hoop bender |
| CN107774845A (en) * | 2017-11-29 | 2018-03-09 | 陕西航空电气有限责任公司 | A kind of miniature multi-function parting tool |
| CN107774845B (en) * | 2017-11-29 | 2019-05-14 | 陕西航空电气有限责任公司 | A kind of miniature multi-function parting tool |
| CN112453281A (en) * | 2020-11-23 | 2021-03-09 | 建科机械（天津）股份有限公司 | Steel bar shearing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140618 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |