CN203155887U

CN203155887U - Wire-management pre-straightening device of steel bar straightening machine

Info

Publication number: CN203155887U
Application number: CN 201320129983
Authority: CN
Inventors: 陈振东
Original assignee: Tianjin Jianke Mechanical Products Co Ltd
Current assignee: Tianjin Jianke Mechanical Products Co Ltd
Priority date: 2013-03-21
Filing date: 2013-03-21
Publication date: 2013-08-28
Anticipated expiration: 2023-03-21

Abstract

The utility model discloses a wire-management pre-straightening device of a steel bar straightening machine. The wire-management pre-straightening device comprises a wire-management frame, wherein a guide pre-straightening seat is arranged on the wire-management frame. The guide pre-straightening seat comprises a guide seat and a roller wheel set, wherein through holes are formed in two ends of the guide seat, the lateral surface of one end of the guide seat is fixed on an outlet end surface of the wire-management frame, one or more roller wheel sets are connected inside an inner cavity of the other end of the guide seat in a hinged mode, the roller wheel set comprises two roller shafts which are the same in structure and mutually parallel, two ends of each roller shaft are respectively hinged to lateral walls of the guide seat, and a steel bar penetrates between the roller shafts of the roller wheel set. The wire-management pre-straightening device has the advantages that the steel bar enters a wire-management mechanism in a rolling friction mode, the steel bar can be managed well and straightened due to the pre-straightening function, the steel bar can enter a straightening main machine more smoothly, the surface of the steel bar is prevented from being scratched, the surface quality of the steel bar is guaranteed, and the service life of the wire-management mechanism is prolonged. The wire-management straightening device has the advantages of being simple in structure, convenient to detach, safe and stable in operation, and the like.

Description

The reason line pre-straightening device of bar straightener

Technical field

The utility model relates to bar straightener, particularly be the reason line pre-straightening device of bar straightener.

Background technology

Bar straightener is wire rod reinforcing bar or other forms of moment reinforcement to be carried out straightening become the vertical bar reinforcing bar.For making the wire rod reinforcing bar can enter the straightener main frame smoothly, in the middle of straightener main frame and wire rod payingoff mechanism, be placed with wire-management device, this wire-management device can enter the straightener main frame after the reinforcing bar of wire rod input is made in order smoothly.

Fig. 1 is the front view of the wire-management device of prior art bar straightener; Fig. 2 is the left side view of Fig. 1; Fig. 3 is the partial enlarged drawing of Fig. 1.

As Fig. 1, Fig. 2, shown in Figure 3, the wire-management device of prior art bar straightener comprises: the reason wire frame 1 of awl tubular, one end of reason wire frame 1 is the reinforcing bar entrance, the other end of reason wire frame 1 is the reinforcing bar outlet, wear-resisting guide part 3 is equipped with in the reinforcing bar outlet of resonable wire frame 1, and described guide partly comprises: bearing block 6, bearing cap 5, wear-resistant sleeve 11; Bearing block 6 fastened bolt 7 fixing resonable wire frame 1 reinforcing bar outlets, the centre bore of bearing block 6 is by bearing 8 hinged wear-resistant sleeves 11, half the circumference of the sleeve where it joins the shoulder face retaining is arranged in bearing 8 inner ring sides on the external diameter of wear-resistant sleeve 11 reinforcing bar arrival ends, round nut 10, retaining pad 9 are installed on the external diameter of the wear-resistant sleeve 11 reinforcing bar ports of export, bearing cap 5 usefulness bearing cap fastening bolts 4 are installed in it on bearing block 6, compress the outer ring of bearing 8 simultaneously.Be arranged on half the circumference of the sleeve where it joins the shoulder face on the wear-resistant sleeve 11 reinforcing bar arrival end external diameters and round nut 10 and be and prevent its axially movable stopping means when reinforcing bar passes wear-resistant sleeve 11 endoporus.

There is following defective in the wire-management device of prior art bar straightener: the wire rod reinforcing bar is earlier through reason wire frame 1 unwrapping wire, passes that the wear-resistant sleeve 11 of guide part 3 is laggard goes into main frame again.Wear-resistant sleeve 11 and reinforcing bar 2 sliding frictions produce the scuffing wearing and tearing to reinforcing bar 2 surfaces, reduce the service life of wear-resistant sleeve 11, need often replacing wear-resistant sleeve 11, have cost height, time-consuming, effort, and rebar surface also sustains damage.

Summary of the invention

The purpose of this utility model is to overcome the defective of prior art, provides a kind of and can protect the reason line that rebar surface is injury-free, cost is low and align the reason line pre-straightening device that reinforcing bar is the bar straightener of one in advance.

The technical scheme that solves the problems of the technologies described above is: a kind of reason line pre-straightening device of bar straightener, described reason line pre-straightening device comprises: the reason wire frame, at the exit end face of described reason wire frame guide pre-straightening seat to the reinforcing bar pre-straightening that runs through is housed, described guide pre-straightening seat comprises: guide seat, roller set; Described guide seat two ends have the through hole that reinforcing bar passes, on the exit end face of the fixing resonable wire frame in the side of guide seat one end, and a hinged roller set or a plurality of roller set in the inner chamber of the guide seat other end; Described roller set comprises identical two roll shafts that are parallel to each other of structure, and the two ends of two roll shafts are hinged on respectively on the sidewall of guide seat, pass between the roll shaft of reinforcing bar from roller set.

The beneficial effects of the utility model: the utility model overcomes the shortcoming of prior art, the utility model enters the sliding friction that produces in the wire-packing mechanism with reinforcing bar before the straightener main frame, change rolling friction into, and have a pre-straightening function, can effectively make the straightening reinforcing bar in order, make reinforcing bar enter the straightening main frame more smoothly, prevent the scuffing of rebar surface, protection rebar surface quality, the service life of having improved wire-packing mechanism; Have characteristics such as simple in structure, convenient disassembly, running safety and stability.

Description of drawings

Fig. 1 is the wire-management device front view of prior art bar straightener;

Fig. 2 is the left side view of Fig. 1;

Fig. 3 is the partial enlarged drawing of the guide part 3 among Fig. 1;

Fig. 4 is the utility model front view;

Fig. 5 is Fig. 4 partial enlarged drawing, shows partial cutaway among the figure;

Fig. 6 is the vertical view of Fig. 5, shows partial cutaway among the figure.

" sequence number explanation in the accompanying drawing "

1: the reason wire frame; 2: reinforcing bar; 3: the guide part; 4: the bearing cap fastening bolt; 5: bearing cap; 6: bearing block; 7: the bearing block fastening bolt; 8: bearing; 9: retaining pad; 10: round nut; 11: wear-resistant sleeve; 12: guide pre-straightening seat; 13: pressing plate; 14: mandrel; 15: the bearing spacer; 16: the pressing plate fastening bolt; 17: roller shell; 19: the guide seat; 20: roller set.

The specific embodiment

Below in conjunction with accompanying drawing enforcement of the present utility model is described in further detail.

Fig. 1 is the wire-management device front view of prior art bar straightener; Fig. 2 is the left side view of Fig. 1; Fig. 3 is the partial enlarged drawing of the guide part 3 among Fig. 1; Fig. 4 is the utility model front view; Fig. 5 is Fig. 4 partial enlarged drawing, shows partial cutaway among the figure; Fig. 6 is the vertical view of Fig. 5, shows partial cutaway among the figure.

Need to prove, comprise parts same as the prior art in the utility model, adopt identical sequence number.

To shown in Figure 6, the utility model provides a kind of reason line pre-straightening device of bar straightener as Fig. 4, and described reason line pre-straightening device comprises: reason wire frame 1, be equipped with guide pre-straightening seat 12 to reinforcing bar 2 pre-straightenings that run through at the exit end face of described reason wire frame 1.

Described guide pre-straightening seat 12 comprises: guide seat 19, roller set 20; Described guide seat 19 two ends have the through hole that reinforcing bar 2 passes, on the exit end face of the fixing resonable wire frame 1 in the side of guide seat 19 1 ends, and a hinged roller set 20 or a plurality of roller set 20 in the inner chamber of guide seat 19 other ends; Described roller set 20 comprises identical two roll shafts that are parallel to each other of structure, and the two ends of two roll shafts are hinged on respectively on the sidewall of guide seat 19, pass between the roll shaft of reinforcing bar 2 from roller set 20.

The axis that is hinged with the roll shaft in 20, two roller set 20 of two roller set that the structure same intervals arranges in the inner chamber of described guide seat 19 other ends is vertical mutually, and reinforcing bar 2 passes between the roll shaft from two roller set 20 respectively.

Be hinged with four roller set 20 that the structure same intervals arranges in the inner chamber of described guide seat 19 other ends, wherein two roller set 20 are in abutting connection with an end that is arranged on guide seat 19 inner chambers, and two other roller set 20 is in abutting connection with the other end that is arranged on guide seat 19 inner chambers; The axis of the roll shaft in the roller set 20 of described two adjacency is vertical mutually, and reinforcing bar 2 passes between the roll shaft from four roller set 20 respectively.

Described roll shaft comprises: mandrel 14, roller shell 17; The two ends of mandrel 14 are fixed on the corresponding sidewall of guide seat 19 inner chambers that the cross section is square tube; The roller shell 17 that is arranged in guide seat 19 inner chambers is hinged on the mandrel 14; Described reinforcing bar 2 passes between two roller shells 17.

In particular, as Fig. 5, shown in Figure 6, guide seat 19 1 ends are flanges, on the exit end face of the side of this flange with the fixing resonable wire frame 1 of securing member; Guide seat 19 other end cross sections are square tube, four hinged roller set 20 are distributed in the two ends of guide seat 19 inner chambers in guide seat 19 square tube inner chambers, namely have in abutting connection with two roller set 20 that arrange by guide seat 19 inner chambers left side, have in abutting connection with two roller set 20 that arrange by guide seat 19 inner chamber right sides, the axis of the roll shaft in the roller set 20 of above-mentioned two adjacency is vertical mutually, and reinforcing bar 2 passes between the roll shaft from four roller set 20 respectively.

The structure of described roll shaft is: mandrel 14 is arranged in guide seat 19 inner chambers, after the square column at mandrel 14 two ends passes the corresponding areole of guide seat 19 respectively, the square column of protrusion outside guide seat 19 sidewalls is supporting to be contained in pressing plate 13 square holes, pressing plate fastening bolt 16 is tightened in the screw of guide seat 19 sidewalls after passing pressing plate 13 through holes, and mandrel 14 and pressing plate 13 are fixed on the guide seat 19.

Described roller shell 17 is hinged on the mandrel 14 by bearing 8, for preventing the movement of bearing 8, is provided with bearing spacer 15 between the inner ring of 8 one sides of bearing and pressing plate 13, and these bearing spacer 15 endoporus are fitted on the mandrel 14; The outer ring of another side of bearing 8 withstands on the half the circumference of the sleeve where it joins the shoulder face of roller shell 17 endoporus; The length of roller shell 17 is less than guide seat 19 inner chambers, so reinforcing bar 2 produces rolling friction and can protect rebar surface to be without prejudice when passing between two roller shells 17 and between the roller shell 17.

Claims

1. the reason line pre-straightening device of a bar straightener, described reason line pre-straightening device comprises: reason wire frame (1), it is characterized in that, at the exit end face of described reason wire frame (1) guide pre-straightening seat (12) to reinforcing bar (2) pre-straightening that runs through is housed, described guide pre-straightening seat (12) comprising: guide seat (19), roller set (20); Described guide seat (19) two ends have the through hole that reinforcing bar (2) passes, on the exit end face of the fixing resonable wire frame (1) in the side of guide seat (19) one ends, a hinged roller set (20) or a plurality of roller set (20) in the inner chamber of guide seat (19) other end; Described roller set (20) comprises identical two roll shafts that are parallel to each other of structure, and the two ends of two roll shafts are hinged on respectively on the sidewall of guide seat (19), pass between the roll shaft of reinforcing bar (2) from roller set (20).

2. according to the reason line pre-straightening device of the bar straightener in the claim 1, it is characterized in that, be hinged with two roller set (20) that the structure same intervals arranges in the inner chamber of described guide seat (19) opposite side, the axis of the roll shaft in two roller set (20) is vertical mutually, and reinforcing bar (2) passes between the roll shaft from two roller set (20) respectively.

3. according to the reason line pre-straightening device of the bar straightener in the claim 1, it is characterized in that, be hinged with four roller set (20) that the structure same intervals arranges in the inner chamber of described guide seat (19) opposite side, wherein two roller set (20) are in abutting connection with an end that is arranged on guide seat (19) inner chamber, and two other roller set (20) is in abutting connection with the other end that is arranged on guide seat (19) inner chamber; The axis of the roll shaft in the roller set of described two adjacency (20) is vertical mutually, and reinforcing bar (2) passes between the roll shaft from four roller set (20) respectively.

4. according to the reason line pre-straightening device of the bar straightener of claim 1 to 3 in each, it is characterized in that described roll shaft comprises: mandrel (14), roller shell (17); The two ends of mandrel (14) are fixed on the corresponding sidewall of guide seat (19) inner chamber that the cross section is square tube; The roller shell (17) that is arranged in guide seat (19) inner chamber is hinged on the mandrel (14); Described reinforcing bar (2) passes between two roller shells (17).