CN214348638U

CN214348638U - Hot rolling intermediate billet inclined wedge compression joint shear blade device

Info

Publication number: CN214348638U
Application number: CN202120212581.0U
Authority: CN
Inventors: 高爱民
Original assignee: CISDI Research and Development Co Ltd
Current assignee: CISDI Technology Research Center Co Ltd; CISDI Research and Development Co Ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-08
Anticipated expiration: 2031-01-26

Abstract

The utility model belongs to the technical field of the blank is connected in the middle of the endless rolling of hot rolling belted steel, a crimping shear blade device is carved to one side to blank in the middle of the hot rolling is proposed, aim at solving the problem of the locking position difference of middle blank shearing in-process, including entrance side shear blade and the exit side shear blade that has crisscross groove looks knot structure, all be equipped with the apex angle piece in the corresponding surface towards middle blank separately on entrance side shear blade, the exit side shear blade. The utility model discloses a crimping cutting edge device is carved to one side to hot rolling intermediate billet is through setting up the apex angle piece on the last halfbody at entrance side cutting edge and outlet side cutting edge to the realization is at the shearing in-process, and the dead intermediate billet of card ensures that it does not take place lateral shifting.

Description

Hot rolling intermediate billet inclined wedge compression joint shear blade device

Technical Field

The utility model belongs to the technical field of the blank is connected in the middle of the hot rolling belted steel does not have the head rolling, concretely relates to crimping shear blade device is carved to one side to blank in the middle of the hot rolling.

Background

The traditional hot continuous rolling finishing mill group for plate and strip rolls a single intermediate billet, and the processes of threading, accelerated rolling, decelerated rolling, steel throwing, tail flicking and the like cannot be avoided when the intermediate billet enters the finishing mill group. Therefore, the thickness difference of the head and the tail of the strip steel and the threading quality uniformity are difficult to ensure, and the rolling operation rate and the yield are also limited to a certain extent. With the new and higher demands for sheet quality in the industries of automobiles, home appliances, and the like, the size, shape accuracy, surface and internal quality have become equally important quality keys. The hot-rolled strip steel endless rolling technology shows incomparable superiority of traditional tropical rolling in the aspects of ultrathin tropical rolling, plate thickness precision control, stability control of plate and strip lengthening performance, productivity improvement and the like.

The hot-rolled intermediate billet inclined wedge compression joint technology is one of methods for realizing intermediate billet connection, is realized by adopting a mode that dovetail grooves of front and rear intermediate billets are buckled with each other and are in interference fit, and has the advantages of simple structure and reliable connection effect. However, the existing shear blade is divided into an upper half body and a lower half body of the inlet side shear blade and an upper half body and a lower half body of the outlet side shear blade, and the total of the four integral shear blades are shown in fig. 5 and adopt a dovetail structure type, so that once abrasion occurs, the repair cannot be carried out, the whole shear blade is scrapped, and the use cost is high; on the other hand, the existing shear blade device adopts a clamping mode to position the intermediate blank, so that the intermediate blank cannot deviate under the action of lateral component force of shearing force in the shearing process, the notch deviates, and the intermediate blank cannot be connected.

Therefore, it is very necessary to find a hot-rolled intermediate billet inclined wedge compression joint shearing edge device which can lock and position the intermediate billet in the process of shearing the intermediate billet, so that the phenomenon that the intermediate billet moves transversely to cause the deviation of a notch and cannot complete the connection of the intermediate billet is avoided; meanwhile, after the shear blade is prevented from being worn, the shear blade can be replaced at low cost, and the use cost is reduced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a hot rolling intermediate billet carves crimping shear blade device to one side aims at solving the poor problem of locking location among the intermediate billet shearing process.

The utility model discloses an innovation thinking designs a crimping cutting edge device is carved to one side to blank in middle of the hot rolling, including having the inlet side cutting edge and the outlet side cutting edge of crisscross groove looks knot structure, the first half of inlet side cutting edge, outlet side cutting edge respectively all is equipped with the apex piece towards the corresponding face of middle blank.

Further, the upper half bodies of the inlet side cutting edge and the outlet side cutting edge are respectively provided with two top angle blocks which are arranged in a staggered mode.

Furthermore, the two vertex angle blocks of the upper half body of the inlet side cutting edge and the two vertex angle blocks of the upper half body of the outlet side cutting edge are symmetrically arranged.

Furthermore, the inlet side shear blade and the outlet side shear blade respectively comprise a support and a shear blade knife which are detachably mounted, and the support is provided with a mounting hole for arranging a vertex angle block and staggered grooves for arranging the shear blade knives.

Furthermore, the top corner block is provided with at least one convex sharp edge which protrudes out of the lower surface of the support and extends along the length direction of the top corner block.

Furthermore, a convex-concave matching structure is arranged between the shear blade and the support.

Further, the shear blade consists of a blade A, a blade B, a blade C and a blade D, wherein the blade A is arranged in the concave part of the staggered groove, the blade B is arranged in the convex part of the staggered groove, the blade C is arranged on the side part of the staggered groove, and the blade D is arranged on the two outer edge parts of the staggered groove.

The utility model has the advantages that: the hot-rolled intermediate billet inclined wedge compression joint shear blade device of the utility model adopts a split shear blade mode, avoids the replacement of the whole shear blade due to the abrasion of the shear blade, and reduces the use cost; still through set up the apex angle piece on the last halfbody at the shearing edge to realize at the shearing in-process, the dead intermediate blank of card, ensure not to take place lateral shifting, simultaneously, the apex angle piece of staggered arrangement can avoid because of the intermediate blank of apex angle piece extrusion, causes the stress concentration on the same cross-section of intermediate blank, influences the bearing capacity of connecting the back intermediate blank.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of the plane structure of the hot rolling intermediate billet inclined wedge pressure welding shear blade device of the present invention

Fig. 2 is a schematic sectional structure view of P-P in fig. 1.

Fig. 3 is a plan view of the abutment of the entry-side cutting edge in fig. 1.

Fig. 4 is a schematic view of the corner block structure of fig. 1.

FIG. 5 is a schematic diagram of the wedge-wedge crimping principle of a conventional intermediate billet.

Reference numerals: 1 is an inlet side shearing edge, 2 is an outlet side shearing edge, 3 is a support, 4 is a vertex angle block, 5 is a staggered groove, 6 is a shearing edge knife, 7 is a cutting edge A, 8 is a cutting edge B, 9 is a cutting edge C, and 10 is a cutting edge D; 41 are convex sharp edges.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.

As shown in fig. 1 to 4, the hot rolled intermediate billet wedge compression joint cutting edge device mentioned in this embodiment includes an inlet side cutting edge 1 and an outlet side cutting edge 2 having a cross groove 5 buckling structure, that is, the two are integrally and symmetrically arranged, the cross groove portions thereof are arranged in an overlapping manner, so as to meet the requirement of the intermediate billet for shear connection, and the top halves of the inlet side cutting edge 1 and the outlet side cutting edge 2 are respectively fixed with a vertex angle block 4 by socket head cap screws on the corresponding surfaces facing the intermediate billet. Therefore, the middle blank can be clamped tightly in the shearing process by utilizing the top angle block, and the transverse deviation is avoided.

In this embodiment, the two top corner blocks 4 respectively disposed on the upper half bodies of the inlet side cutting edge 1 and the outlet side cutting edge 2 are arranged in a staggered manner, so as to prevent stress concentration on the same cross section of the intermediate blank from affecting the bearing capacity of the connected intermediate blank. Meanwhile, the two apex angle blocks 4 of the upper half body of the inlet side cutting edge 1 and the two apex angle blocks 4 of the upper half body of the outlet side cutting edge 2 are symmetrically arranged.

In this embodiment, each of the inlet side cutting edge 1 and the outlet side cutting edge 2 includes a support 3 and a cutting edge knife 6, which are detachably mounted, and the support 3 is provided with a mounting hole for mounting the vertex angle block 4 and a staggered groove 5 for mounting the cutting edge knife 6. Thus, the vertex angle block is fixed on the support through the mounting hole, the shear blade is fixed on the staggered groove of the support through the hexagon socket screw, the shear blade 6 is composed of a blade A7, a blade B8, a blade C9 and a blade D10, the blade A7 is arranged on the concave part of the staggered groove 5, the blade B8 is arranged on the convex part of the staggered groove 5, the blade C9 is arranged on the side part of the staggered groove 5, and the blade D10 is arranged on the two outer edge parts of the staggered groove 5. Therefore, the blades are arranged in the full-length range of the staggered grooves, and when a certain blade is worn and needs to be replaced, the blade needing to be replaced only needs to be taken down.

The top corner block 4 in this embodiment is provided with a protruding sharp edge 41 protruding from the lower surface of the support 3 and extending along the length direction of the top corner block 4. The convex sharp edge can be used for locking and positioning the intermediate blank.

In the embodiment, a convex-concave matching structure is arranged between the shear blade 6 and the support 3. So as to facilitate the installation and fixation of the shearing knife.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention, and it will be apparent to those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The hot-rolled intermediate billet inclined wedge compression joint shear blade device is characterized by comprising an inlet side shear blade (1) and an outlet side shear blade (2) which are provided with staggered grooves (5) and are in a buckling structure, wherein top angle blocks (4) are respectively arranged on corresponding surfaces facing an intermediate billet of the upper halves of the inlet side shear blade and the outlet side shear blade.

2. The hot rolled intermediate slab wedge crimping shear blade device according to claim 1, wherein the top corner blocks provided on the upper half bodies of the inlet side shear blade and the outlet side shear blade are respectively provided in two in a staggered arrangement.

3. The hot rolled intermediate slab wedge crimping shear blade apparatus of claim 2, wherein the two apex angle blocks of the upper half of the entry side shear blade are symmetrically disposed with respect to the two apex angle blocks of the upper half of the exit side shear blade.

4. The hot-rolled intermediate billet wedge crimping shear blade device according to any one of claims 1 to 3, wherein the inlet side shear blade and the outlet side shear blade respectively comprise a support (3) and a shear blade knife (6) which are detachably mounted, and the support is provided with a mounting hole for arranging a vertex angle block and staggered grooves for arranging the shear blade knife.

5. The hot rolled intermediate slab inclined wedge crimping shear blade device of claim 4, wherein the apex angle block is provided with at least one convex sharp edge protruding from the lower surface of the support and extending along the length direction of the apex angle block.

6. The hot-rolled intermediate billet inclined wedge crimping shear blade device according to claim 4, wherein a convex-concave matching structure is arranged between the shear blade and the support.

7. The hot rolled intermediate billet wedge crimping shear blade device according to claim 6, wherein the shear blade is composed of a blade A (7), a blade B (8), a blade C (9) and a blade D (10), the blade A is arranged in the concave part of the staggered groove, the blade B is arranged in the convex part of the staggered groove, the blade C is arranged in the side part of the staggered groove, and the blade D is arranged in the two outer edge parts of the staggered groove.