CN219560928U - Hanging knife type guiding and guarding device - Google Patents

Abstract

The utility model provides a hanging knife type guide and guard device, which relates to the technical field of steel rolling and comprises a rolling mill, wherein a cross beam and a fixed roller are arranged on the rolling mill, a bottom plate is arranged on the cross beam, guard plates are symmetrically arranged on the bottom plate, guide plates are arranged on the guard plates, each guide plate comprises a first guide plate and a second guide plate, the first guide plates are arranged on the guard plates, the first guide plates are rotationally connected with the second guide plates, an anti-winding plate and lifting lugs are arranged on the second guide plates, the anti-winding plate is matched with the rolling mill, springs are arranged in the lifting lugs, and one ends of the springs are connected with the fixed roller; the device can separate the rolled material from the rolling groove (roll pass) by utilizing the pointed head, so that the rolled piece is smoothly taken off from the groove, and the problem of winding the roll is effectively avoided; the spring is matched with the second guide plate to be connected in a rotating way, so that the situation that the guide device is damaged due to the fact that the guide outlet of the steel running roof is damaged can be avoided, and the guide effect is good.

Description

Hanging knife type guiding and guarding device

Technical Field

The utility model relates to the technical field of steel rolling, in particular to a hanging cutter type guide and guard device.

Background

The hot rolling is a rolling performed at a temperature lower than the recrystallization temperature, and the hot rolling is a rolling performed at a temperature higher than the recrystallization temperature, relative to the cold rolling. In short, a steel billet is rolled several times after being heated, then cut and corrected into a steel plate, which is called hot rolling. Can obviously reduce energy consumption and cost. The metal plasticity is high and the deformation resistance is low during hot rolling, so that the energy consumption of metal deformation is greatly reduced. The hot rolling can improve the processing performance of metals and alloys, namely, crushing coarse grains in a casting state, remarkably healing cracks, reducing or eliminating casting defects, converting an as-cast structure into a deformed structure and improving the processing performance of the alloy.

The guide means a device which is arranged in front of and behind the roll pass during the rolling process of the section steel and helps the rolled piece to enter and exit the roll pass accurately and stably according to the set direction and state.

In the hot rolling process of the steel plate, a rolling material is easy to generate a winding phenomenon on a roll pass when passing through a rolling mill, and meanwhile, the problem that a guide outlet of a steel running top is damaged can also be solved, so that the yield is reduced, the thermal downtime and the production cost are increased, and the phenomena of winding and the guide outlet of the steel running top are avoided.

Disclosure of Invention

The utility model aims to solve the problems in the background art and further provides a hanging knife type guide and guard device.

The technical scheme adopted for solving the technical problems is as follows:

hanging knife formula guide and guard device, including the rolling mill, be provided with crossbeam and fixed roller on the rolling mill, be provided with the bottom plate on the crossbeam, the symmetry is provided with the guard on the bottom plate, is provided with the baffle on the guard, and the baffle includes first baffle and second baffle, and first baffle setting is on the guard, and first baffle rotates with the second baffle to be connected, is provided with on the second baffle and prevents twining board and lug, prevents twining board and rolling mill matched with, is provided with the spring in the lug, and the one end and the fixed roller of spring link to each other.

The guide plate in the device adopts the hanging knife type, the rolling material and the rolling groove (roller pass) are separated by utilizing the tip of the anti-winding plate, so that the rolling piece is smoothly taken off from the groove, the problem of winding the roller is effectively avoided, meanwhile, the spring is additionally arranged to be matched with the rotary connection of the second guide plate, the occurrence of the technological accident of guiding and guarding the outlet of the groove top can be avoided, and meanwhile, the tip can effectively prevent the steel clamping phenomenon.

Further, one end of the anti-winding plate is provided with a pointed end, and the pointed end is matched with the rolling mill.

The scheme realizes the separation of the rolled material and the roll pass by utilizing the pointed head, and avoids the problem of winding the roll.

Further, a reinforcing plate is arranged between the two guard plates.

The reinforcing plate is additionally arranged in the scheme, so that the fixation firmness of the guard plate on the cross beam is further improved.

Further, a ramp is provided on the base plate.

According to the scheme, the inclined table is reused at the moment after the rolled material is separated from the groove through the pointed end, so that the rolled material can be discharged conveniently, and the guide effect is better.

Further, the spring adopts a multi-pitch spring.

The adoption of the multi-pitch spring in the scheme can prolong the service life of the spring and has high strength.

Further, the first guide plate and the second guide plate are rotatably connected through a pin shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. the guide plate in the device adopts a hanging knife type, the tip at the front end of the guide is utilized to separate the rolled material from the rolling groove (roller pass), so that the rolled material is smoothly taken off from the groove, the problem of winding the roller is effectively avoided, meanwhile, the spring is additionally arranged to be matched with the rotary connection of the second guide plate, the occurrence of the technological accident of the guide outlet at the top of the groove can be avoided, and meanwhile, the tip can effectively prevent the steel clamping phenomenon.

2. The device firmly fixes the guard plate on the cross beam, and effectively guides the rolled material to enter the next rolling mill for further processing.

3. The spring is additionally arranged between the fixed roller and the lifting lug, so that the flexibility of the hanging knife type guide plate is improved, and the situation that the guide device is damaged due to the fact that the guide outlet is arranged at the top of the groove is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a guide plate;

FIG. 3 is an enlarged view of a portion of the reference numeral A of FIG. 1;

reference numerals:

1. a rolling mill; 11. a cross beam; 12. a fixed roller; 21. a bottom plate; 22. a guard plate; 23. a guide plate; 231. a first guide plate; 232. a second guide plate; 233. a pin shaft; 24. lifting lugs; 25. an anti-tangling plate; 26. a spring; 27. a reinforcing plate; 28. and (5) a ramp.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The utility model will be further described with reference to the accompanying drawings and examples:

as shown in fig. 1 to 3, the hanging knife type guide and guard device comprises a rolling mill 1, wherein the rolling mill 1 belongs to the prior art, the principle of the hanging knife type guide and guard device is not described, a cross beam 11 and a fixed roller 12 are arranged on the rolling mill 1, a bottom plate 21 is arranged on the cross beam 11, guard plates 22 are symmetrically arranged on the bottom plate 21, guide plates 23 are arranged on the guard plates 22, each guide plate 23 comprises a first guide plate 231 and a second guide plate 232, the first guide plates 231 are arranged on the guard plates 22 and are rotatably connected with the second guide plates 232 through pin shafts 233, an anti-winding plate 25 and lifting lugs 24 are arranged on the second guide plates 232, one end of the anti-winding plate 25 is provided with a tip, the tip is matched with the rolling mill 1, springs 26 are arranged in the lifting lugs 24, and one ends of the springs 26 are connected with the fixed roller 12.

The working flow of the utility model is as follows:

firstly, rolled steel passes through between two rollers and then contacts with the tip of the anti-tangling plate 25, the rolled steel can be separated from a rolling groove (roller pass) by the tip, so that the rolled steel can be smoothly taken off from the groove, the problem of winding rollers is effectively avoided, the rolled steel can pass through between two guard plates 22, at the moment, the rolled steel contacts with a bottom plate 21 to apply a gravity force, then the second guide plate 232 can descend, but due to the existence of a spring 26, the second guide plate 232 can fluctuate once, the situation that a device is damaged due to the guide outlet of a running steel top can be avoided, meanwhile, the steel clamping phenomenon can be prevented due to the presence of the tip, the guard plates 22 are firmly fixed on a cross beam 11, and the rolled steel can be effectively guided into the next rolling mill 1 for deep processing, and the guide effect is good.

In order to enhance the fixing stability of the guard plates (22) on the cross beam (11), the scheme is further refined, and as shown in fig. 1, a reinforcing plate 27 is arranged between the two guard plates 22; the fastening of the guard 22 to the transverse beam 11 is further ensured by the reinforcement 27.

In order to make the rolled material after rolling more convenient to discharge after being separated from the rolling groove, the scheme is further refined, and as shown in fig. 1, an inclined table 28 is arranged on the bottom plate 21; the rolled material can be conveniently discharged by utilizing the inclined table 28 after the rolled material is separated from the groove through the tip, and the guide effect is better.

In order to improve the service life of the spring 26 and ensure the elastic strength, the scheme is further refined, and the spring 26 adopts a multi-pitch spring.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. Hanging knife type guide and guard device, including rolling mill (1), a serial communication port, be provided with crossbeam (11) and fixed roll (12) on rolling mill (1), be provided with bottom plate (21) on crossbeam (11), the symmetry is provided with guard (22) on bottom plate (21), be provided with baffle (23) on guard (22), baffle (23) include first baffle (231) and second baffle (232), first baffle (231) set up on guard (22), first baffle (231) are connected with second baffle (232) rotation, be provided with on second baffle (232) and prevent twining board (25) and lug (24), prevent twining board (25) and rolling mill (1) cooperate, be provided with spring (26) in lug (24), the one end and the fixed roll (12) of spring (26) link to each other.

2. A hanging-knife guide and guard according to claim 1, characterized in that the anti-tangling plate (25) is provided with a pointed end at one end, which pointed end cooperates with the rolling mill (1).

3. A hanging-knife guide and guard according to claim 1, characterized in that a reinforcing plate (27) is arranged between two guard plates (22).

4. Hanging-knife guide device according to claim 1, characterized in that the base plate (21) is provided with a ramp (28).

5. The hanging-knife guide device according to claim 1, characterized in that the spring (26) is a multi-pitch spring.

6. The hanging knife type guide and guard device according to claim 1, wherein the first guide plate (231) and the second guide plate (232) are rotatably connected through a pin shaft (233).