CN218191748U - Rolling stable split type outlet guide - Google Patents

Abstract

The utility model discloses a rolling stable split type export is led and is defended belongs to steel rolling technical field, including leading the defending body, it includes the base to lead the defending body, and fixed mounting is at the connecting seat on base upper portion to and set up in the kicking block on connecting seat upper portion, wherein, be equipped with the nose point on the entrance point of connecting seat, and the axis of nose point and the axis of connecting seat are on same straight line, be equipped with the fixed unit that is used for realizing connecting seat and nose point stable connection and restriction nose point motion between nose point and the connecting seat. The utility model discloses an optimize the nasal point structure, improve the nasal point and lead the degree of fit two aspects of defending the body, realize that split type rolling of defending is stable to improve the rolling effect of segmentation of steel rolling, and then promote production efficiency.

Description

Rolling stable split type outlet guide

Technical Field

The utility model belongs to the technical field of the steel rolling, concretely relates to rolling stable split type export is led and is defended.

Background

In the process of rolling section steel, the device which is arranged before and after the roll pass and helps rolled pieces to accurately and stably enter and exit the roll pass according to the set direction and state is called a guide. The guide and guard device is applied to the splitting of the outlet frame of the rolled finished products, and when the rolled piece is separated from the roller, the nose tip is easily broken and damaged and the rolled piece is wound on the roller due to the fact that the rolling speed is high and the rolled piece does irregular movement, so that steel piling accidents are caused, and the product quality and the splitting rolling efficiency are seriously influenced.

A patent document 201520751200.0, entitled split guide and guard structure, discloses: the nose guard comprises a guide body and a guide head fixed on the upper part of one end of the guide body, wherein a nose tip is arranged on the axis of the inlet end of the guide head, the upper surfaces of the guide head positioned on the two sides of the nose tip are inclined planes, and the axis of the nose tip, the axis of the guide head and the axis of the guide body are on the same straight line. The utility model discloses an adopt to lead and defend the body and lead the split type structure of defending head fixed connection, saved manufacturing cost and cost of maintenance, nevertheless the defect of defending on structural strength and mechanical properties of split type design does not take the compensatory measure, still has certain safe risk, is unfavorable for production.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the inventor reachs through practice and summary the utility model discloses a rolling stable split type export is led and is defended, including leading the defending body, it includes the base to lead the defending body, fixed mounting is at the connecting seat on base upper portion to and set up in the kicking block on connecting seat upper portion, wherein, be equipped with the nose point on the entrance point of connecting seat, and the axis of nose point and the axis of connecting seat are on same straight line, be equipped with the fixed unit that is used for realizing connecting seat and nose point stable connection and restriction nose point motion between nose point and the connecting seat.

In the scheme of the application, the improvement is made that the fixing unit comprises a plurality of through holes which are arranged on the nose tip and are close to the contact part with the connecting seat, assembling holes which are arranged on the connecting seat and matched with the through holes, and elastic cylindrical pins which penetrate through the connecting through holes and the assembling holes. Realize the split type of nose point and connecting seat through the fixed unit of constituteing by through-hole, pilot hole and elasticity cylindric lock and be connected fixedly, simplified connection structure when guaranteeing good fixed effect of connection, alleviate the work degree of difficulty, be favorable to promoting work efficiency.

Make following improvement in this application scheme, the elasticity cylindric lock is hollow cylinder, and sets up the opening that runs through the elasticity cylindric lock along direction of height on a hollow cylinder side, the symmetry is provided with the hypotenuse of inwards buckling on the both ends of opening. The hollow and open design of elasticity cylindric lock for the cylindric lock is whole to have elasticity, and the structure of being convenient for assemble and can realizing after the assembly is firm.

In the scheme of the application, the improvement is made that the elastic cylindrical pin is made of stainless steel materials, and the stainless steel is any one of austenitic stainless steel, martensitic stainless steel and austenitic/ferritic duplex stainless steel. Further promote the structural strength and the mechanical properties of elasticity cylindric lock, ensure overall structure's reliable and stable and security.

Make following improvement in this application scheme, the tip of the nose is last to be personally submitted the trapezoidal structure with the connecting seat contact site transversal, and the constant head tank has been seted up respectively in the both sides middle part of through-hole on the tip of the nose.

In the scheme of the application, the improvement is that a positioning strip matched with the positioning groove is arranged at a corresponding position on the connecting seat. During installation, the positioning strip is stirred to the position on the same axis with the positioning groove and then embedded into the positioning strip, so that splicing is completed, the positioning strip and the positioning groove are fixed in position, and high-precision assembly can be guaranteed.

In the scheme of the application, the improvement is made that the guide body is made of ZG45 cast steel material, and the nose tip is made of H13 die steel material. The ZG45 cast steel has very good toughness, and the mechanical properties such as casting performance, strength, hardness and the like are very excellent; the H13 die steel has high hardenability and hot cracking resistance, contains high content of carbon and vanadium, has good wear resistance, relatively slightly weakened toughness, good heat resistance, better strength and hardness at higher temperature, and can ensure excellent comprehensive mechanical property and higher tempering resistance.

Compared with the prior art, the utility model discloses can obtain following technological effect:

the split outlet guide with stable rolling of the utility model realizes stable rolling of the split guide by optimizing the nose tip structure and improving the matching degree of the nose tip and the guide body, thereby improving the splitting rolling effect of steel rolling and further improving the production efficiency; simultaneously, the nose tip adopts H13 mould steel material and is made through quenching treatment for nose tip intensity promotes by a wide margin, can greatly reduced this kind of split type guide's consumption in the use, and effectively reduce the condition fever of finished product winding roll, and the problem that can avoid winding roll even of cooperation timing inspection appears, has very obvious promotion effect to dividing rolling quality, improving product quantity and reducing the accident rate, has fine use and spreading value.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a plan view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the middle tip of the present invention;

fig. 4 is a cross-sectional view of the elastic cylindrical pin of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The application of the principles of the present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1-3, a split outlet guide with stable rolling comprises a guide body composed of a base 1, a connecting seat 2 and a top block 3; wherein, the top block 3, the connecting seat 2 and the base 1 are fixedly connected from top to bottom in sequence, and the inlet end of the connecting seat 2 is provided with a nose tip 21, and the axis of the nose tip 21 and the axis of the connecting seat 2 are on the same straight line; meanwhile, a fixing unit is further arranged between the nose tip 21 and the connecting seat 2, and the fixing unit is used for realizing stable connection between the connecting seat 2 and the nose tip 21 and playing a role in limiting the movement of the nose tip 21. From optimizing two aspects lower hand of nose point 21 structure and improving the degree of cooperation of nose point 21 and guide body to realize that the rolling of split type guide is stable, and then improve the segmentation rolling effect of steel rolling, be favorable to improving production efficiency.

The cross section of the contact part of the nose tip 21 and the connecting seat 2 is of an inverted trapezoidal structure, positioning grooves 212 are respectively formed in the middles of two sides of the through hole 211 on the nose tip 21, positioning strips 23 are also arranged at corresponding positions on the connecting seat 2, the positioning strips 23 are matched with the positioning grooves 212, when the connecting seat is installed, the positioning strips 23 are shifted to be in the positions on the same axis with the positioning grooves 212 and then embedded into the positioning strips to complete splicing, and the positions of the positioning strips 23 and the positioning grooves 212 are fixed, so that high-precision assembly can be guaranteed; the fixing unit consists of two through holes 211, an assembling hole 22 and an elastic cylindrical pin which penetrates through the through holes 211 and the assembling hole 22; wherein two through-holes 211 are seted up on nose point 21 to be close to the contact site of nose point 21 and connecting seat 2, two pilot holes 22 are then seted up on connecting seat 2, and form the cooperation with through-hole 311, realize that nose point 21 is fixed with the split type of connecting seat 2 is connected through the fixed unit that comprises through-hole 211, pilot hole 22 and elasticity cylindric lock, simplified connection structure when guaranteeing good fixed effect of connection, be favorable to promoting work efficiency.

The guide body is made of ZG45 cast steel material, the nose tip 21 is made of H13 die steel material, the elastic cylindrical pin is made of stainless steel material, and the stainless steel material is preferably selected from austenitic stainless steel, martensitic stainless steel and austenitic/ferritic duplex stainless steel, so that the guide body still has good strength and hardness at high temperature, excellent comprehensive mechanical property and high tempering resistance stability.

The working principle is as follows: during the use, stir earlier location strip 23 to with constant head tank 212 behind the position on same axis, in following the embedding constant head tank 212 of location strip 23, insert the elastic cylindrical pin in coincident pilot hole 22 and through-hole 211 again, require along the axial direction of coincident pilot hole 22 and through-hole 211, can make the fastening of elastic cylindrical pin downthehole like this, avoid taking place not hard up to drop, effectively ensure the stability of structure concatenation.

Example 2

Based on the technical scheme, the elastic cylindrical pin is further improved, as shown in fig. 4, the elastic cylindrical pin is a hollow cylinder, an opening penetrating through the elastic cylindrical pin along the height direction is formed in one side edge of the hollow cylinder, and inclined edges bent inwards are symmetrically arranged at two ends of the opening; wherein, the hollow and open design of elasticity cylindric lock for the cylindric lock is whole to have elasticity, is convenient for assemble, and can realize that the structure after the assembly is firm.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims (7)

1. The utility model provides a rolling stable split type export is led and is defended, is including leading the defending body, it includes base (1) to lead the defending body, fixed mounting is in connecting seat (2) on base (1) upper portion to and set up in kicking block (3) on connecting seat (2) upper portion, wherein, be equipped with nose point (21) on the entrance point of connecting seat (2), and the axis of nose point (21) and the axis of connecting seat (2) are on same straight line, be equipped with between nose point (21) and connecting seat (2) and be used for realizing connecting seat (2) and nose point (21) stable connection and restriction nose point (21) fixed unit of motion.

2. The roll-stabilized split exit guide and guard of claim 1, wherein: the fixing unit comprises a plurality of through holes (211) which are arranged on a nose tip (21) and are close to the contact part with the connecting seat (2), assembly holes (22) which are arranged on the connecting seat (2) and are matched with the through holes (211), and elastic cylindrical pins which penetrate through the connecting through holes (211) and the assembly holes (22).

3. The roll-stabilized split exit guide and guard of claim 2, wherein: the elastic cylindrical pin is a hollow cylinder, an opening penetrating through the elastic cylindrical pin along the height direction is formed in one side edge of the hollow cylinder, and the two ends of the opening are symmetrically provided with bevel edges bent inwards.

4. The roll-stabilized split exit guide and guard of claim 3, wherein: the elastic cylindrical pin is made of stainless steel materials, and the stainless steel is any one of austenitic stainless steel, martensitic stainless steel and austenitic/ferritic duplex stainless steel.

5. The roll-stabilized split exit guide according to any one of claims 1 to 4, wherein: the cross section of the contact part of the nose tip (21) and the connecting seat (2) is of an inverted trapezoidal structure, and positioning grooves (212) are respectively formed in the middle parts of two sides of a through hole (211) in the nose tip (21).

6. The roll-stabilized split exit guide and guard of claim 5, wherein: and a positioning strip (23) matched with the positioning groove (212) is arranged at a corresponding position on the connecting seat (2).

7. The roll-stabilized split exit guide and guard of claim 1, wherein: the guide body is made of ZG45 cast steel material, and the nose tip (21) is made of H13 die steel material.

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