CN202045301U - Steel bar bender provided with center shaft with expansion function - Google Patents
Steel bar bender provided with center shaft with expansion function Download PDFInfo
- Publication number
- CN202045301U CN202045301U CN2011200941098U CN201120094109U CN202045301U CN 202045301 U CN202045301 U CN 202045301U CN 2011200941098 U CN2011200941098 U CN 2011200941098U CN 201120094109 U CN201120094109 U CN 201120094109U CN 202045301 U CN202045301 U CN 202045301U
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- shaft
- bending
- central shaft
- center
- bender
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- Expired - Fee Related
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Abstract
The utility model discloses a steel bar bender provided with a center shaft with an expansion function, which structurally comprises a framework, a rotation driving unit and a bending shaft. The rotation driving unit is connected to one side of the bending shaft, the end of a bending eccentric shaft at an eccentric center of the other side of the bending shaft is inserted into an eccentric hole of the end surface of a driven crankshaft sleeve, the driven crankshaft sleeve is supported on the framework in a hinged manner, the center shaft is slidably assembled in an inner hole of the driven crankshaft sleeve, one end of the center shaft is connected with a reciprocating driving unit, the reciprocating driving unit drives the other end of the center shaft to reciprocate so as to be inserted into a center hole of the bending shaft or separated from the center hole of the bending shaft, and a gap between the center hole and the bending eccentric shaft is larger than the diameter of a bent steel bar. The steel bar bender has the advantages that the steel bar bender is simple in structure, can bend multiple steel bars at one step and can be stressed by larger bending force, during bending operation, the steel bars are sealed between the center shaft and the bending eccentric shaft and cannot be released easily so as to ensure safety of operators, the center shaft is expandable and is convenient in detachment and transport, and production efficiency is high.
Description
Technical field
The utility model relates to angle-bender, particularly be the angle-bender that central shaft has Telescopic.
Background technology
The needs that adapt to modern construction engineering, be exclusively used in moment reinforcement equipment---angle-bender is instead of manual, and have efficient height, characteristics that automaticity is high.The structure of the angle-bender of described prior art comprises: rotary drive mechanism 12 is fixed on the frame 20; Central shaft 24 is equipped with at the center of rotary drive mechanism 12 output shaft ends, on the external diameter of rotary drive mechanism 12 output shafts rotating disk 25 is housed, eccentric part at rotating disk 25 is fixed with bending axis 22, the sliding supporting crooked axle sleeve 21 that is equipped with is inserted with the reinforcing bar 6 that is bent processing on bending axis 22 external diameters between crooked axle sleeve 21 and the central shaft 24.Rotary drive mechanism 12 rotates, and then rotating disk 25 rotates, bending axis 22 servo-actuateds, and reinforcing bar 6 is bent.
There is following defective in the angle-bender of above-mentioned prior art: the angle-bender duty central shaft of prior art and bending axis end are open state, when moment reinforcement, reinforcing bar is deviate from the crooked position between central shaft and the bending axis easily, and there is hidden danger in operating personnel; Not flexible of central shaft influences reinforcing bar and carries.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of simple in structure, and central shaft and bending axis end are closed state, handling safety, and the central shaft flexible, the central shaft of being convenient to the reinforcing bar conveying has the angle-bender of Telescopic.
The technical scheme that solves the problems of the technologies described above is: a kind of central shaft has the angle-bender of Telescopic, the angle-bender that described central shaft has Telescopic comprises: frame, be fixed on the rotary drive unit on the frame, bending axis, the supercentral axis of center of bending of described bending axis one side connects rotary drive unit, insert in the eccentric orfice of passive crank axle sleeve end face the end of the crooked eccentric shaft on the bending axis opposite side off-centre, this passive crank axle sleeve is hinged and is supported on the frame, the sliding central shaft that is fitted with in the endoporus of passive crank axle sleeve, central shaft one end connects reciprocal driver element, back and forth the drive unit drives central shaft moves back and forth its other end to insert or leave in the bending axis centre bore with crooked eccentric shaft homonymy, and the gap between central shaft and the crooked eccentric shaft is greater than the diameter that is bent reinforcing bar.
The beneficial effects of the utility model are: the utility model overcomes the defective of prior art, have simple in structure, can continuous bend reinforcing bar, be suitable for the advantage of many reinforcing bars of first order buckling; The utility model bending axis adopts two ends fixed form moment reinforcement, can bear bigger bending force, and during crooked work, reinforcing bar is closed between central shaft and the crooked eccentric shaft, and reinforcing bar is not easy central shaft and crooked eccentric shaft, guarantees operator safety; Central shaft of the present utility model is flexible, for convenience detach and conveying, production efficiency height.
Description of drawings
Fig. 1 is the utility model front view;
Fig. 2 is an A-A cutaway view among Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the angle-bender front view of prior art.
" sequence number explanation in the accompanying drawing "
1: by movable sprocket; 2: the first casings; 3: bearing; 4: bending axis; 4a: crooked eccentric shaft; 4b: the crooked plate of adjusting; 4c: axis of center of bending; 5,24: central shaft; 6: reinforcing bar; 7: chain; 8: connector; 9: bearing; 10: cylinder; 11: drive sprocket; 12: rotary drive mechanism; 13,20: frame; 14: bracing or strutting arrangement; 15: excentric sleeve; Casing 17 in 16: the second: passive crank axle sleeve; 18: support; 19: support wheel; 21: crooked axle sleeve; 22: bending axis; 25: rotating disk; H: the gap between central shaft and the crooked eccentric shaft.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is the utility model front view; Fig. 2 is an A-A cutaway view among Fig. 1; Fig. 3 is the vertical view of Fig. 1; Fig. 4 is the angle-bender front view of prior art.
The angle-bender that the utility model provides a kind of central shaft to have Telescopic, the angle-bender that described central shaft has Telescopic comprises: frame 13, be fixed on rotary drive unit, bending axis 4 on the frame 13.
The supercentral axis of center of bending 4c of described bending axis 4 one sides connects rotary drive unit, insert in the eccentric orfice of passive crank axle sleeve 17 end faces the end of crooked eccentric shaft 4a on the bending axis 4 opposite side off-centre, this passive crank axle sleeve 17 is hinged and is supported on the frame 13, the sliding central shaft 5 that is fitted with in the endoporus of passive crank axle sleeve 17, central shaft 5 one ends connect reciprocal driver element, back and forth drive unit drives central shaft 5 moves back and forth its other end to insert or leave in bending axis 4 centre bores with crooked eccentric shaft 4a homonymy, and the gap h between central shaft 5 and the crooked eccentric shaft 4a is greater than the diameter that is bent reinforcing bar 6.
Described rotary drive unit comprises: rotary drive mechanism 12, on rotary drive mechanism 12 output shafts drive sprocket 11 is housed, and chain 7 connects drive sprocket 11 and by movable sprocket 1, axis of center of bending 4c is housed in the centre bore of movable sprocket 1
Described reciprocal driver element is arranged on the frame 13, and its structure comprises: the piston rod on cylinder 10, the cylinder 10 connects central shaft 5 one ends.
The sliding supporting excentric sleeve 15 that is equipped with on the described crooked eccentric shaft 4a external diameter.
Also be fixed with bracing or strutting arrangement 14 on the frame 13 of described bending axis 4 one sides, described bracing or strutting arrangement 14 comprises: be fixed on support 18 and the support wheel 19 that is hinged on the support 18 on the frame 13; Excentric sleeve 15 external diameters that described support wheel 19 external diameters and crooked eccentric shaft 4a go up suit are positioned at same horizontal line.
More particularly, described bending axis 4 comprises: crooked eccentric shaft 4a, crooked plate 4b, the axis of center of bending 4c of adjusting, and the wherein crooked plate 4b that adjusts is positioned at the middle part of bending axis 4 and has the plate of setting thickness; Axis of center of bending 4c is positioned at the crooked centre of adjusting plate 4b one lateral bending bent axle 4; Crooked eccentric shaft 4a is positioned at the crooked eccentric position of adjusting plate 4b opposite side bending axis 4.Axis of center of bending 4c two ends are supported in first casing 2 of frame 13 tops by bearing 3, and first casing 2 is fixed on the frame 13.
Described cylinder 10 is by bearing 9 fixed supports, on bearing 9 fixed frames 13; Piston rod on the cylinder 10 connects central shaft 5 one ends by connector 8.Described passive crank axle sleeve 17 is supported in second casing 16 of frame 13 tops by bearing 3, and second casing 16 is fixed on the frame 13.
When moment reinforcement 6, central shaft 5 moves and inserts crooked the adjustment in the plate 4b centre bore to bending axis 4 directions under cylinder 10 piston rods promote, and this moment, central shaft 5 was parallel to each other with crooked eccentric shaft 4a, and reinforcing bar 6 is between central shaft 5 and crooked eccentric shaft 4a.The rotary power of rotary drive mechanism 12 passes to axis of center of bending 4c by chain 7, drive sprocket 11 with by movable sprocket 1, crooked plate 4b of adjustment and crooked eccentric shaft 4a are rotated with axis of center of bending 4c, crooked eccentric shaft 4a drive passive crank axle sleeve 17 together rotating drive reinforcing bar 6 around central shaft 5 bendings; Behind reinforcing bar 6 crooked the end, the reverse rotation of rotary drive mechanism 12 drives axis of center of bending 4c backward rotation, crooked adjust plate 4b and crooked eccentric shaft 4a resets with axis of center of bending 4c backward rotation, central shaft 5 is with the cylinder 10 piston rods retraction that resets, wait next group bar bending simultaneously.
Claims (5)
1. a central shaft has the angle-bender of Telescopic, the angle-bender that described central shaft has Telescopic comprises: frame (13), be fixed on the rotary drive unit on the frame (13), bending axis (4), it is characterized in that, the described bending axis supercentral axis of center of bendings of (4) one sides (4c) connect rotary drive unit, insert in the eccentric orfice of passive crank axle sleeve (17) end face the end of the crooked eccentric shaft (4a) on bending axis (4) the opposite side off-centre, this passive crank axle sleeve (17) is hinged and is supported on the frame (13), the sliding central shaft (5) that is fitted with in the endoporus of passive crank axle sleeve (17), central shaft (5) one ends connect reciprocal driver element, back and forth drive unit drives central shaft (5) moves back and forth its other end to insert or leave in bending axis (4) centre bore with crooked eccentric shaft (4a) homonymy, and the gap (h) between central shaft (5) and the crooked eccentric shaft (4a) is greater than the diameter that is bent reinforcing bar (6).
2. the angle-bender that has Telescopic according to the central shaft described in the claim 1, it is characterized in that, described rotary drive unit comprises: rotary drive mechanism (12), on rotary drive mechanism (12) output shaft drive sprocket (11) is housed, chain (7) connects drive sprocket (11) and by movable sprocket (1), axis of center of bending (4c) is housed in the centre bore of movable sprocket (1).
3. the angle-bender that has Telescopic according to the central shaft described in the claim 1, it is characterized in that, described reciprocal driver element is arranged on the frame (13), and its structure comprises: the piston rod on cylinder (10), the cylinder (10) connects central shaft (5) one ends.
4. have the angle-bender of Telescopic according to the central shaft described in the claim 1, it is characterized in that, the sliding supporting excentric sleeve (15) that is equipped with on described crooked eccentric shaft (4a) external diameter.
5. the angle-bender that has Telescopic according to the central shaft described in claim 1 or 4, it is characterized in that, also be fixed with bracing or strutting arrangement (14) on the frame (13) of described bending axis (4) one sides, described bracing or strutting arrangement (14) comprising: be fixed on the support (18) on the frame (13) and be hinged on support wheel (19) on the support (18); Excentric sleeve (15) external diameter that described support wheel (19) external diameter and crooked eccentric shaft (4a) are gone up suit is positioned at same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200941098U CN202045301U (en) | 2011-04-01 | 2011-04-01 | Steel bar bender provided with center shaft with expansion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200941098U CN202045301U (en) | 2011-04-01 | 2011-04-01 | Steel bar bender provided with center shaft with expansion function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202045301U true CN202045301U (en) | 2011-11-23 |
Family
ID=44985626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200941098U Expired - Fee Related CN202045301U (en) | 2011-04-01 | 2011-04-01 | Steel bar bender provided with center shaft with expansion function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202045301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384386A (en) * | 2014-11-15 | 2015-03-04 | 汝州郑铁三佳水泥制品有限公司 | Automatic steel bar hooking machine |
| CN104923694A (en) * | 2015-06-17 | 2015-09-23 | 杨湜 | Electric rebar bender with high practicability |
-
2011
- 2011-04-01 CN CN2011200941098U patent/CN202045301U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384386A (en) * | 2014-11-15 | 2015-03-04 | 汝州郑铁三佳水泥制品有限公司 | Automatic steel bar hooking machine |
| CN104923694A (en) * | 2015-06-17 | 2015-09-23 | 杨湜 | Electric rebar bender with high practicability |
| CN104923694B (en) * | 2015-06-17 | 2017-01-18 | 杨湜 | Electric rebar bender with high practicability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20180401 |