CN203972529U - A kind of circular orbit bending device - Google Patents

Abstract

The utility model relates to a kind of circular orbit bending device, comprise two boards, top roll, two lower rolls, top roll frock, two lower roll frocks and two guiders, top roll two ends are connected on two boards by the first sliding bearing is rotating respectively, and top roll can move by the vertical direction between two boards; Two lower rolls are placed in top roll below side by side, and the two ends of two lower rolls are connected on two boards by the second rolling bearing is rotating respectively; Top roll frock is bolted and is sleeved on top roll excircle; Two lower roll frocks are bolted respectively and are sleeved on two lower roll excircles; One side of two guiders is all fixedly connected with board described in one of them, and two guiders are placed in respectively two outsides of two lower rolls; Each center to device all and between two lower roll frocks and top roll frock gap in same level line.Prior art relatively, the utility model overall structure is simple, bends precision high, with low cost, easy to use.

Description

A kind of circular orbit bending device

Technical field

The utility model relates to track and bends technical field, particularly a kind of circular orbit bending device that is applied to harbour machinery Car Dumper Rotor.

Background technology

The industry developments such as current domestic harbour, power plant are rapid, tippler is widely used in the railway bulk goods dumping of the industry such as harbour, power plant, the history of domestic manufacture tippler is shorter, make and lack experience for the circular orbit on Car Dumper Rotor, the technology that bends of circular orbit is not overripened at present, bend difficulty large, machining accuracy is low; Circular orbit bend the common difficulty that becomes each tippler manufacturing firm.

Utility model content

It is simple that technical problem to be solved in the utility model is to provide a kind of overall structure, bends precision high, with low cost, circular orbit bending device easy to use.

The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of circular orbit bending device, comprise two boards, top roll, two lower rolls, top roll frock, two lower roll frocks and two guiders, described top roll two ends are connected on two described boards by the first sliding bearing is rotating respectively, and described top roll can move by the vertical direction between two described boards; Two described lower rolls are placed in top roll below side by side, and the two ends of two described lower rolls are connected on two described boards by the second rolling bearing is rotating respectively; Described top roll frock is bolted and is sleeved on described top roll excircle; Two described lower roll frocks are bolted respectively and are sleeved on two described lower roll excircles; One side of two described guiders is all fixedly connected with board described in one of them, and two described guiders are placed in respectively two outsides of two described lower rolls; And the gap of the center of each described guider all and between two described lower roll frocks and described top roll frock is in same level line;

Two described guiders include installing rack, two adjustable leading trucks and two guide roller, two sides that described guide roller is all rotatably connected on described installing rack by the 3rd sliding bearing, two described leading trucks are bolted on respectively on described installing rack, two described leading trucks and two guide roller are parallel to each other, and two described leading truck two outsides in two guide roller respectively;

Described top roll frock and two described lower roll frocks are annular frock, are provided with the annular groove of the fixing workpiece that rolls in described annular frock.

The beneficial effects of the utility model are: this apparatus structure is simple, easy to manufacture, with low cost; Bending in process, workpiece is between two guide roller of guider, enter between lower roll frock and top roll frock and bend, the annular groove of top roll frock and lower roll frock can make workpiece that sidesway can not occur in process, promotes and bends precision.

On the basis of technique scheme, the utility model can also do following improvement.

Further technical scheme, the size of described annular groove is mated with workpiece size.

Further technical scheme, is provided with the greasing hole that can inject continuously to bearing grease on described the first sliding bearing, the second rolling bearing bearing and the 3rd sliding bearing.

Further technical scheme, described top roll frock and two described lower roll frocks are made by 42CrMo steel.

Adopt the beneficial effect of above-mentioned further scheme to be: 1, greasing hole can continuity to sliding bearing greasing, make the work that guide roller can flexibility and reliability; 2,42CrMo steel hardness is not large, intensity is high, fragile and fragility is little, promotes the service life of top roll frock and lower roll frock.

Brief description of the drawings

Fig. 1 is the not structural representation of tape guide of a kind of circular orbit bending device of the utility model;

Fig. 2 is the BB cutaway view of Fig. 1;

Fig. 3 is the structural representation of guider.

In accompanying drawing, the list of parts of each label representative is as follows:

1, board, 2, top roll, 3, lower roll, 4, top roll frock, 5, lower roll frock, 6, guider, 7, installing rack, 8, leading truck, 9, guide roller, 10, annular groove.

Detailed description of the invention

Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.

As shown in Figure 1 to Figure 3, a kind of circular orbit bending device, comprise two boards 1, top roll 2, two lower rolls 3, top roll frock 4, two lower roll frocks 5 and two guiders 6, described top roll 2 two ends are connected on two described boards 1 by the first sliding bearing is rotating respectively, and described top roll 2 can move by the vertical direction between two described boards 1; Two described lower rolls 3 are placed in top roll 2 belows side by side, and the two ends of two described lower rolls 3 are connected on two described boards 1 by the second rolling bearing is rotating respectively; Described top roll frock 4 is bolted and is sleeved on described top roll 2 excircles; Two described lower roll frocks 5 are bolted respectively and are sleeved on two described lower roll 3 excircles; One side of two described guiders 6 is all fixedly connected with board described in one of them 1, and two described guiders 6 are placed in respectively two outsides of two described lower rolls 3; And the gap of the center of each described guider 6 all and between two described lower roll frocks 5 and described top roll frock 4 is in same level line;

Two described guiders 6 include installing rack 7, two adjustable leading trucks 8 and two guide roller 9, two sides that described guide roller 9 is all rotatably connected on described installing rack 7 by the 3rd sliding bearing, two described leading trucks 8 are bolted on respectively on described installing rack 7, two described leading trucks 8 and two guide roller 9 are parallel to each other, and two described leading truck 8 two outsides in two guide roller 9 respectively;

Described top roll frock 4 and two described lower roll frocks 5 are annular frock, are provided with the annular groove 10 of the fixing workpiece that rolls in described annular frock.

The size of described annular groove 10 is mated with workpiece size.

On described the first sliding bearing, the second rolling bearing bearing and the 3rd sliding bearing, be provided with the greasing hole that can inject continuously to bearing grease.

Described top roll frock 4 and two described lower roll frocks 5 are made by 42CrMo steel.

Implement this device, control top roll 2 by board 1 and move up,, until workpiece can enter in frock smoothly; Whether vertical with top roll 2, two lower rolls 3 after verification workpiece access to plant; After preparation completes, start to bend, require top roll 2 to be pressed down to 1～2mm at every turn, progressively carry out; Workpiece is completely fixed by top roll frock 4, two lower roll frocks 5, guiders 6, substantially can not be displaced sideways; Workpiece rolls and bends, and monitors at any time workpiece side sway, until the moulding of workpiece camber is complete, after completing, workpiece is unloaded and carries out crop; This apparatus structure is simple, easy to manufacture, with low cost; Bending in process, workpiece is between two guide roller of guider 6, enter between lower roll frock 5 and top roll frock 4 and bend, the annular groove 10 of top roll frock 4 and lower roll frock 5 can make workpiece that sidesway can not occur in process, promotes and bends precision.

The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (4)

1. a circular orbit bending device, it is characterized in that: comprise two boards (1), top roll (2), two lower rolls (3), top roll frock (4), two lower roll frocks (5) and two guiders (6), described top roll (2) two ends are connected to two described boards (1) above by the first sliding bearing is rotating respectively, and described top roll (2) can move by the vertical direction between two described boards (1); Two described lower rolls (3) are placed in top roll (2) below side by side, and the two ends of two described lower rolls (3) are connected on two described boards (1) by the second rolling bearing is rotating respectively; Described top roll frock (4) is bolted and is sleeved on described top roll (2) excircle; Two described lower roll frocks (5) are bolted respectively and are sleeved on two described lower rolls (3) excircle; One side of two described guiders (6) is all fixedly connected with board described in one of them (1), and two described guiders (6) are placed in respectively two outsides of two described lower rolls (3); And the gap of the center of each described guider (6) all and between two described lower roll frocks (5) and described top roll frock (4) is in same level line;

Two described guiders (6) include installing rack (7), two adjustable leading trucks (8) and two guide roller (9), the side that two described guide roller (9) are all rotatably connected on described installing rack (7) by the 3rd sliding bearing, two described leading trucks (8) are bolted on respectively on described installing rack (7), two described leading trucks (8) are parallel to each other with two guide roller (9), and two described leading trucks (8), two outsides in two guide roller (9) respectively;

Described top roll frock (4) and two described lower roll frocks (5) are annular frock, are provided with the annular groove (10) of the fixing workpiece that rolls in described annular frock.

2. a kind of circular orbit bending device according to claim 1, is characterized in that: the size of described annular groove (10) is mated with workpiece size.

3. a kind of circular orbit bending device according to claim 1, is characterized in that: on described the first sliding bearing, the second rolling bearing and the 3rd sliding bearing, be provided with the greasing hole that can inject continuously to bearing grease.

4. according to a kind of circular orbit bending device described in claims 1 to 3 any one, it is characterized in that: described top roll frock (4) and two described lower roll frocks (5) are made by 42CrMo steel.