CN214391618U

CN214391618U - Four-way synchronous feed cutting type cogging mill

Info

Publication number: CN214391618U
Application number: CN202023079618.1U
Authority: CN
Inventors: 王凯; 张军武; 郭文忠
Original assignee: Shanghai Hanzheng Technology Co ltd
Current assignee: Shanghai Hanzheng Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-10-15
Anticipated expiration: 2030-12-21

Abstract

The utility model belongs to the technical field of steel rolling equipment, especially, relate to a synchronous feed cutting formula blooming mill of quadriversal, its characterized in that includes the motor, the speed reducer, cutter rotating shaft group sets up the cutting tool group on cutter rotating shaft group, cutter rotating shaft group is including parallel arrangement's last axis of rotation and lower axis of rotation, parallel arrangement's left axis of rotation and right axis of rotation, cutting tool group is including setting up respectively at last axis of rotation and the epaxial cutting knife of going up of lower axis of rotation and cutting knife down, set up respectively at the epaxial left cutting knife of left axis of rotation and right cutting knife. The utility model discloses cooperate under the drive of cutting tool group to lead and defend, need not the upset blank, can carry out accurate fly-cutting to the small-section blank from the four sides along the central line to the large-section blank simultaneously to directly be applicable to the finishing mill group and directly carry out the product rolling, the interval of regulation frame or tool bit that can be convenient, area is littleer, and efficiency is higher, simple to operate, maintenance cost hang down, and the production energy consumption reduces by a wide margin.

Description

Four-way synchronous feed cutting type cogging mill

Technical Field

The utility model belongs to the technical field of steel rolling equipment, especially, relate to a quadriversal synchronous feed cutting formula blooming mill.

Background

In the current rolling production technology, the cogging of the blank (i.e. the continuous reduction of the section of the blank until the rolling is facilitated) is to directly roll the blank heated to the rolling temperature by a relatively large rolling mill, the sectional area of the blank is gradually reduced by multi-pass rolling until the sectional area of the blank is reduced to meet the condition of entering a finishing mill group, and then the blank enters the finishing mill group and is rolled by the finishing mill group to form the final metal product. The prior rolling technologies such as those mentioned in patent numbers 202010042179.2, 201911325629.2 and 201610011589.4 are conventional production forms using the above rolling technologies. The defects of the traditional production form are that the equipment of the roughing mill group and the middle mill group has larger overall dimension, heavy equipment weight and high energy consumption, the production line needs larger installation capacity, the occupied area and the used space of the production line are large, the factory construction investment is large, the construction period is long, and in addition, a large amount of spare part consumption and higher daily manual maintenance cost are generated after the rolling production line is put into operation.

Therefore, if the small-section billet can be directly used for rolling the steel products only through the finishing mill group, on the one hand, the equipment investment is directly saved by more than 60%, the using area is saved by more than 50%, the electric energy consumption of the production line is reduced by more than 70%, and on the other hand, a large amount of equipment spare part consumption and manual maintenance cost are saved for the capacity of the same scale. However, the acquisition of small-section billets, especially the acquisition of low-cost small-section billets, is a major difficulty faced by the current technology, and the production of small-section billets capable of being directly finish rolled by using a continuous casting machine is not feasible in the current environment due to the difficulties in the aspects of technology, cost and safety, but the small-section billets can be easily obtained by using a reciprocating cogging mill for cogging or using a continuous rolling unit consisting of a roughing mill and a medium rolling mill, but the high production cost of the small-section billets weakens the competitiveness of final products to a certain extent.

Disclosure of Invention

The utility model aims at providing a quadriversal synchronous feed cutting formula blooming machine, carry out single pass or the cutting of many passes with the big cross-section blank of scale, until cutting into four or many little cross-section blanks with big cross-section blank, the little cross-section blank that forms after the cutting directly rolls through finishing mill group and produces the product, because do not use roughing mill group and the finishing mill group to carry out the blank blooming, reach on the one hand and reduce production line area, reduce production line equipment investment by a wide margin, energy saving and consumption reduction, on the other hand reduces the purpose of production line spare part consumption and artifical maintenance cost.

The purpose of the utility model is realized by the following technical scheme:

the utility model is characterized in that the cogging mill comprises a motor, a speed reducer connected with the motor, a cutter rotating shaft group connected with an output shaft of the speed reducer through a coupling, a cutting cutter group arranged on the cutter rotating shaft group, the cutter rotating shaft group is arranged in a frame of a billet cutting machine, the motor is connected with an electric control system,

the cutter rotating shaft group comprises an upper rotating shaft and a lower rotating shaft which are arranged in parallel, and a left rotating shaft and a right rotating shaft which are arranged in parallel, and the cutter rotating shaft group comprises an upper cutter and a lower cutter which are respectively arranged on the upper rotating shaft and the lower rotating shaft, and a left cutter and a right cutter which are respectively arranged on the left rotating shaft and the right rotating shaft.

The cutting knife head of the cutting knife group is a roller type cutting knife head, a circular sheet type cutting knife head or a combination of the roller type cutting knife head and the circular sheet type cutting knife head.

The upper cutter, the lower cutter, the left cutter and the right cutter of the cutter group are all active cutters.

The upper cutter and the lower cutter of the cutter group are active cutters, or the left cutter and the right cutter are active cutters.

The frame of the billet cutting machine is a memorial archway type frame, a frame type frame or a cantilever type frame.

The distance between each cutting head of the cutting tool group is adjustable or fixed.

The electric control system is a variable frequency control system or a fixed frequency control system.

The utility model has the advantages that:

the utility model discloses a quadriversal synchronous feed cutting formula blooming machine, the cooperation is led and is defended under the drive of cutting tool group, need not the upset blank, can carry out accurate fly-cutting into the small-section blank from the central line on four sides to the large-section blank simultaneously, directly be applicable to finishing mill group and directly carry out the product rolling, as required, the interval of regulation frame or tool bit that can be convenient, body quantity, area is littleer, efficiency is higher, and its simple to operate, the maintenance cost is low, make the production energy consumption reduce by a wide margin, superior economic value has.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the processing of the four-way synchronous feed cutting type cogging mill assembly of the present invention.

Detailed Description

The following further describes the embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and 2, the four-direction synchronous feed cutting type cogging mill of the present invention is characterized in that it comprises a motor 1, a speed reducer 2 connected with the motor 1, a cutter rotating shaft group 5 connected with an output shaft 3 of the speed reducer 2 through a coupling 4, a cutting cutter group 7 arranged on the cutter rotating shaft group 5, the cutter rotating shaft group 7 is arranged in a billet cutting machine frame 6, the motor 1 is connected with an electric control system,

the cutter rotating shaft group 5 comprises an upper rotating shaft 5-1 and a lower rotating shaft 5-2 which are arranged in parallel, and a left rotating shaft 5-3 and a right rotating shaft 5-4 which are arranged in parallel, and the cutting cutter group 7 comprises an upper cutting knife 7-1 and a lower cutting knife 7-2 which are respectively arranged on the upper rotating shaft 5-1 and the lower rotating shaft 5-2, and a left cutting knife 7-3 and a right cutting knife 7-4 which are respectively arranged on the left rotating shaft 5-3 and the right rotating shaft 5-4.

The cutting knife head of the cutting knife group 7 is a roller type cutting knife head, a circular sheet type cutting knife head or a combination of the roller type cutting knife head and the circular sheet type cutting knife head.

The upper cutter 7-1, the lower cutter 7-2, the left cutter 7-3 and the right cutter 7-4 of the cutter group 7 are all active cutters.

The upper cutter 7-1 and the lower cutter 7-2 of the cutter group 7 are active cutters, or the left cutter 7-3 and the right cutter 7-4 are active cutters.

The billet cutting machine frame 6 is a memorial archway type frame, a frame type frame or a cantilever type frame.

The distance between each cutting head of the cutting tool set 7 is adjustable or fixed.

The utility model discloses a quadriversal synchronous feed cutting formula blooming machine, its quadriversal cutting tool bit are installed in same frame, according to the cutting needs, can use a quadriversal synchronous feed cutting formula blooming machine, also can use quadriversal synchronous feed cutting formula blooming unit. The cutting pass is determined according to the size and the material of the blank, the cutting can be finished by one-time feeding or can be finished by multiple-time feeding, in order to avoid overlarge deformation of the blank, the single-time feeding depth of the cutting machine is preferably not more than 40mm, the longitudinal continuous feeding cutting of the billet is realized by combining a plurality of groups of cutting machines or a plurality of passes of cutting heads, the distance between the upper cutting head and the lower cutting head of each group or each rack of cogging mill and the distance between the left cutting head and the right cutting head are continuously reduced along the advancing direction of the hot billet, and the continuous increase of the cutting depth is ensured until the blank is longitudinally cut.

The form and the number of the cutting heads of the four-direction synchronous feed cutting type cogging mill can be changed according to the cutting requirements of specific steel billets, and a single roller type cutting head or a single wafer type cutting head can be used, and a cutting head group consisting of the cutting heads can also be used. The cutting head is processed into different sizes according to the requirements of cutting different blanks so as to meet the cutting requirements, and the cutting head is processed and manufactured by adopting different steel types or alloy materials according to the requirements of cutting hot-state blanks. According to the needs of actual cutting, the upper and lower cutter heads and the left and right cutter heads of the frame can all be active cutter heads, driven by the motor 1 and the speed reducer 2 or the speed reduction motor, or the upper and lower cutter heads or the left and right cutter heads can be set as active cutter heads or passive cutter heads, and in the cutting process, the blank is drawn by the active cutter heads and passes through the passive cutter heads simultaneously until the fixed-size large-section blank is longitudinally cut into four or more small-section blanks.

A billet cutting machine frame 6 of the four-direction synchronous feed cutting type cogging mill can be in one of a memorial archway type, a frame type or a cantilever type according to the requirement of the size or parameters of a billet to be cut, and can also be in other frame types adopting rolling mills.

The distance between the upper part and the lower part or between the left part and the right part of the cutting head of the four-direction synchronous feed cutting type cogging mill can be adjustable according to the cutting requirements and can also be fixed. The cutting tool bits can be processed into the same size, the distance between the upper part and the lower part or the left part and the right part of the cutting tool bits can be adjusted by adjusting the distance between the axle centers, the distance between the axle centers can also be fixed, and the cutting tool bits are processed into sizes with different sizes according to the requirement of the cogging process, so that the distance between the upper part and the lower part or the left part and the right part of the cutting tool bits can be adjusted.

The motor 1 and the speed reducer 2 can meet the cutting workload of the billet cutting machine, and a speed reducing motor can also be used.

The electric control system is used for controlling the cooperative work of the cutting machine motor or the motor set, and can be controlled in a frequency conversion mode or in a common PLC (programmable logic controller) mode with a fixed frequency according to the requirement of cutting a blank.

The utility model discloses the work implementation process does: and (3) the blank heated to the rolling temperature is subjected to single-pass or multi-pass cutting cogging through a four-way synchronous feed cutting cogging mill or a four-way synchronous feed cutting cogging unit until the large-section blank is cut into four or more small-section blanks to a fixed length, so that the product is directly rolled by a finishing mill group. Because the roughing mill group and the intermediate mill group are not used for cogging, the production energy consumption is greatly reduced, and the steel rolling production investment cost is greatly reduced. The utility model discloses a cutting mode is not traditional rolling mode, cuts into the small cross section blank with the large cross section blank to reach and to only use the finishing mill group to carry out rolling purpose. Use the utility model discloses a quadriversal synchronous feed cutting formula blooming mill, owing to can no longer use heavy roughing mill group and medium rolling mill group in the production line, only use the finishing mill group to roll, therefore greatly reduced for rolling the investment that goes on of product to make the production energy consumption reduce by a wide margin. Use on rolling production line the utility model discloses a quadriversal synchronous feed cutting formula blooming machine will reduce ton and produce more than 60% of electric energy consumption, and production line area saves more than 50%, and the same production can rolling production line investment of scale descend more than 60%, therefore has obvious economic benefits and social.

Example 1: cutting type cogging mill using frame type frame

As shown in figure 1, the steel billet cutting machine mainly comprises a motor 1, a speed reducer 2, a coupler 4, a steel billet cutting machine frame 6, an upper rotating shaft 5-1, a lower rotating shaft, a left rotating shaft 5-3, a right rotating shaft 5-4, an upper cutter 7-1, a lower cutter 7-2, a left cutter 7-3, a right cutter 7-4 and the like. In the figure 8, a steel billet is indicated.

The billet used as a starting material in this example was a continuous casting billet having a size of 50mm × 50mm × 1000 mm.

The billet is heated to 1150 degrees celsius before beginning cutting of the billet.

As shown in fig. 2, the number of the four-direction synchronous feed cutting type blooming mill in this embodiment is 3, 9 is a guide, and 8 is a billet to be cut.

In the embodiment shown in fig. 2, the billet cutting machines from the (1) th frame to the (3) th frame are respectively provided with an upper cutter and a lower cutter and a left cutter and a right cutter, when the billet 8 is cut, the advancing direction of the billet 8 is from the cutting machine from the (1) th frame to the cutting machine from the (3) th frame, the cutting depth of each frame of the cutting machines from the (1) th frame to the (2) th frame is respectively 10mm from top to bottom, from left to right, and the cutting depth of each frame of the cutting machines from the (1) th frame to the (3) th frame is respectively 5mm from top to bottom, from left to right. The billet with the fixed length of 50mm multiplied by 1000mm passes through a billet cutting unit and is finally cut into four small-section billets with the diameters of 20mm multiplied by 1150 mm.

The cutting speed of the billet cutter in the examples was 0.3 m/s.

Further, by continuing the cutting process, a billet having a smaller cross section can be obtained.

The utility model discloses a quadriversal synchronous feed cutting formula blooming machine, the cooperation is led and is defended under the drive of cutting tool group 7, need not the upset blank, can carry out accurate fly-cutting into the small-section blank from the central line on four sides to the large-section blank simultaneously, directly be applicable to the finishing mill group and directly carry out the product rolling, as required, the interval of regulation frame or tool bit that can be convenient, body quantity, area is littleer, efficiency is higher, and its simple to operate, the maintenance cost is low, make the production energy consumption reduce by a wide margin, superior economic value has.

It is clear that modifications and/or partial additions may be made to the four-way same-step knife-cutting cogging assembly described in the foregoing without departing from the field and scope of the present invention.

Meanwhile, the above description is only for the specific embodiments of the present invention, and not for the limitation of the patent scope of the present invention, and all the equivalent transformations made by using the contents of the specification and the drawings of the present invention have the features set forth in the claims, or directly or indirectly applied to the related technical fields, and all the equivalents are included in the patent protection scope of the present invention.

Claims

1. A four-direction synchronous feed cutting type cogging mill is characterized by comprising a motor, a speed reducer connected with the motor, a cutter rotating shaft group connected with an output shaft of the speed reducer through a coupling, and a cutting cutter group arranged on the cutter rotating shaft group, wherein the cutter rotating shaft group is arranged in a billet cutting machine frame, the motor is connected with an electric control system,

2. The four-direction synchronous feed cutting type blooming mill according to claim 1, wherein the cutting bits of the cutting tool group are roll type cutting bits, wafer type cutting bits, or a combination of roll type cutting bits and wafer type cutting bits.

3. The four-way synchronous feed cutting type cogging mill of claim 1, wherein said upper, lower, left and right cutters of said cutter group are active cutters.

4. The four-direction synchronous feed cutting type cogging mill as claimed in claim 1, wherein said upper and lower cutters of said cutter group are active cutters, or said left and right cutters are active cutters.

5. The machine of claim 1, wherein the billet cutter frame is a housing frame, a frame or a cantilever frame.

6. The machine according to claim 1, wherein the distance between each cutting head of said cutting tool set is adjustable or fixed.

7. The four-way synchronous-feed cutting cogging mill of claim 1, wherein said electrical control system is a variable frequency control system or a fixed frequency control system.