CN218656797U

CN218656797U - Steel ladle sliding gate mechanism

Info

Publication number: CN218656797U
Application number: CN202220497516.1U
Authority: CN
Inventors: 李文全; 姚海华
Original assignee: Hebei Ruihua Metallurgical Technology Co ltd
Current assignee: Hebei Ruihua Metallurgical Technology Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2023-03-21
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a steel ladle sliding gate mechanism, which comprises a fixed die frame, a switch die frame, a sliding die frame, an upper nozzle brick, an upper sliding plate brick, a lower nozzle brick, a lower sliding plate brick, a hydraulic cylinder driving mechanism and a stroke control mechanism, wherein the fixed die frame is provided with a flange structure for installing the driving mechanism; the fixed die frame upper portion is equipped with the upper slide brick, upper slide brick bottom surface is provided with the mouth of a river instrument constant head tank, the fixed die frame loops through buffer spring pull rod, buffer spring clamp plate and is connected with the switch die frame, the buffer spring pull rod cup joints with buffer spring to through the buffer spring clamp plate slip die frame dress is between fixed die frame and switch die frame, the slip die frame is connected with pneumatic cylinder actuating mechanism through the T type groove at its top, be equipped with travel control mechanism on the actuating lever.

Description

Steel ladle sliding water gap mechanism

Technical Field

The utility model relates to a relevant mechanical parts and equipment of molten steel processing especially relate to a ladle slide gate mechanism.

Background

The steel ladle sliding gate devices disclosed in the existing market are different in types, but the design layout is unreasonable, so that the steel ladle sliding gate devices which are used normally and efficiently by a mechanism are fewer, the mechanism is troublesome to disassemble when slag is adhered or an accident occurs, and the preparation time is influenced. The installation and positioning of the water feeding port lack standard positioning, and the installation precision of the water feeding port cannot be guaranteed. The flatness of the slide bar cannot be effectively guaranteed by a slide bar fixing method, the linear precision cannot be guaranteed when the sliding die frame moves, the contact stability of the slide plate is influenced, and the production efficiency and the production safety are seriously influenced.

Based on the above factors, a ladle sliding gate device with a novel structure is urgently needed to be researched and developed and popularized, and is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to comprehensively solve the problems of the steel ladle sliding water gap device, the structural layout is unreasonable, the mechanism is troublesome to disassemble when slag is attached or accidents occur, and the preparation time is influenced. The installation and positioning of the water feeding port lack standard positioning, and the installation precision of the water feeding port cannot be guaranteed. The draw runner plane degree can not effectively be guaranteed to the draw runner fixed way, and the straight line precision can't be guaranteed during the motion of slip diaphragm casing, influences the slide contact stability, has seriously influenced production efficiency and production security's problem, the utility model provides a ladle sliding gate mechanism.

In order to achieve the above purpose, the utility model adopts the following technical means:

a ladle sliding nozzle mechanism comprises a fixed mould frame, a switch mould frame, a sliding mould frame, an upper nozzle brick, an upper sliding plate brick, a lower nozzle brick, a lower sliding plate brick, a hydraulic cylinder driving mechanism and a stroke control mechanism, wherein a flange structure for installing the driving mechanism is arranged on the fixed mould frame;

the fixed die frame upper portion is equipped with the upper slide brick, upper slide brick bottom surface is provided with the mouth of a river instrument constant head tank, the fixed die frame loops through buffer spring pull rod, buffer spring clamp plate and is connected with the switch die frame, the buffer spring pull rod cup joints with buffer spring to through the buffer spring clamp plate slip die frame dress is between fixed die frame and switch die frame, the slip die frame is connected with pneumatic cylinder actuating mechanism through the T type groove at its top, be equipped with travel control mechanism on the actuating lever.

Preferably, the switch mold frame is of a square frame structure, two side wall frames of the square frame structure are respectively provided with buffer spring grooves which are symmetrical to each other, each buffer spring groove is of a flat plate type structure, a round counter bore for positioning the buffer spring is formed in the groove bottom of each buffer spring groove, a cooling hole is formed in the side face of each buffer spring groove, sliding strips are arranged on two sides in the switch mold frame and fixed on the switch mold frame through screws and positioning pins, and when the slide mold frame slides in the mechanism, the slide strips of the switch mold frame provide pressure for the slide strips on the slide mold frame.

Preferably, the buffer spring pressing plate is of a flat plate type structure, and the middle part of the buffer spring pressing plate is respectively provided with a buffer spring pull rod penetrating through hole, a buffer spring fixing counter bore and a buffer spring pressing plate dismounting threaded hole.

Preferably, the fixed die frame is connected with a connecting plate fixing seat on the connecting plate through foundation bolts, the fixed die frame is positioned through connecting plate positioning pins on the connecting plate and positioning pin holes on the fixed die frame, the mounting seat for connecting the fixed die frame on the connecting plate is arranged outside the fixed die frame, a hydraulic cylinder bracket structure is arranged on the connecting plate, and a hydraulic cylinder is arranged on the upper portion of the hydraulic cylinder bracket structure.

Preferably, the upper nozzle tool positioning groove is circular, an upper nozzle positioning tool is arranged in the upper nozzle tool positioning groove in a matched mode, the bottom face of the upper nozzle tool positioning groove coincides with the sliding plate brick cavity, the upper nozzle can be quickly positioned through rotation of the upper nozzle tool, the matching precision of the upper nozzle positioning tool and the positioning groove is larger than 0.5mm, and the installation precision of the upper nozzle is larger than 1mm.

Preferably, the switch die frame and the upper slide bar of the sliding die frame are connected with each other through a screw and a positioning pin, and the usage ratio of the screw to the positioning pin is 4.

The utility model discloses technical scheme advantage compared with prior art:

1. the mounting seat connected with the fixed die frame on the connecting plate is arranged outside the fixed die frame, so that the mounting and dismounting are convenient, and the integral mounting mechanism can be arranged;

2. the connecting plate is provided with a positioning pin which can be accurately matched with a positioning pin hole of the fixed die frame, almost no gap exists, and the fixed die frame is prevented from moving in the XY direction; the four foundation bolts are fastened to prevent the fixed die frame from moving in the Z direction, and the fixed die frame are matched to prevent the fixed die frame from loosening in the use process to the maximum extent;

3. the slide bar is reasonable in mounting and fixing design, and the slide bar is matched with a positioning pin through four bolts, so that compared with the prior art that two sides of the slide bar are fixed by two pressing plates, the slide bar can be effectively prevented from being deformed, the linear precision of movement is ensured, and a constant and uniform pressure is always arranged on a slide plate interface, so that the mechanism is safer to operate;

4. the groove for positioning the upper nozzle mounting tool on the fixed die frame can be matched with the upper nozzle mounting tool to accurately limit the mounting position of the upper nozzle, so that the gap between the upper nozzle and the upper sliding plate brick is more accurately controlled, the precision can be ensured within 1-3mm, and the large size error of a refractory soil burning part is overcome.

Drawings

FIG. 1 is an overall front view structure diagram of the mechanism;

FIG. 2 is a schematic view of the construction of the connecting plate of the mechanism;

FIG. 3 is a schematic front view of the fixed mold frame of the present mechanism;

FIG. 4 is a schematic view of the connection structure of the connection plate and the fixed mold frame of the mechanism;

FIG. 5 is a schematic view of the fixed mold frame and the positioning groove of the nozzle tool of the present mechanism;

FIG. 6 is a schematic view of the upper nozzle tool structure of the mechanism;

FIG. 7 is a schematic view of the positioning of the fixed mold frame and the nozzle tool of the present mechanism;

FIG. 8 is a schematic front view of the slide bar of the present mechanism;

FIG. 9 is a schematic structural view of the connection and positioning of the slide bar and the slide mold frame of the mechanism;

FIG. 10 is another schematic view of the construction of the lug bolt seat of the mechanism.

Wherein the notation is as follows:

1. the device comprises a fixed die frame, 2, a switch die frame, 3, a sliding die frame, 4, a hydraulic cylinder bracket structure, 5, a hydraulic cylinder driving mechanism, 6, a buffer spring, 7, a buffer spring pressing plate, 8, a buffer spring pull rod, 9, a connecting plate, 10, a buffer spring groove, 11, a slide bar, 12, an upper nozzle tool, 13, an upper nozzle tool positioning groove, 14, an upper nozzle brick, 15, an upper sliding plate brick, 16, a lower sliding plate brick, 18, a fixed die frame positioning pin hole, 19, a connecting plate fixing seat and 20, a connecting plate positioning pin.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The working principle and the embodiment of the mechanism are as follows:

as shown in figures 1-10 of the drawings,

this ladle slide gate mechanism is including fixed framed 1, switch framed 2, slide framed 3, go up nozzle brick 14, go up slide brick 15, lower nozzle brick, lower slide brick 16 and pneumatic cylinder actuating mechanism 5 and stroke control mechanism respectively, and the design has the flange of installation actuating mechanism on the fixed framed 1.

Be provided with slide plate brick 15 on the fixed die frame 1, be equipped with mouth of a river location round hole on the slide plate brick 15, just slide plate brick 15 loops through buffer spring pull rod 8, buffer spring 6, buffer spring clamp plate 7 and is connected with switch die frame 2, slide die frame 3 is safe between fixed die frame 1 and switch die frame 2.

The fixed mold frame 1 is connected with a connecting plate fixing seat 19 on a connecting plate 9 through foundation bolts, and is positioned through a connecting plate positioning pin 20 on the connecting plate 9 and a positioning pin hole 18 on the fixed mold frame. The mounting seat for connecting the fixed die frame 1 on the connecting plate 9 is arranged outside the fixed die frame 1, so that the mounting and dismounting are convenient, and the integral mounting mechanism can be arranged. And a hydraulic cylinder bracket 4 structure is arranged on the connecting plate 9, and a hydraulic cylinder is arranged on the upper part of the hydraulic cylinder bracket 4 structure. And the hydraulic cylinder 5 driving mechanism is electrically connected with the hydraulic cylinder.

The sliding mold frame 3 is connected with the hydraulic cylinder driving mechanism 5 through a T-shaped groove at the top of the sliding mold frame, the stroke control mechanism is arranged at the top of the driving rod of the hydraulic cylinder driving mechanism 5, and the stroke control mechanism is arranged on the driving rod.

The groove for positioning the upper nozzle mounting tool on the fixed die frame 1 can be matched with the upper nozzle mounting tool to accurately limit the mounting position of the upper nozzle, so that the gap between the upper nozzle and the upper sliding plate brick is more accurately controlled, the precision can be ensured to be within 1-3mm, and the large size error of a refractory soil burning piece can be overcome.

The connecting plate 19 is provided with a connecting plate positioning pin 20 which can be accurately matched with the positioning pin hole 18 of the fixed die frame, almost no gap exists, and the XY-direction movement of the fixed die frame is prevented; four rag bolt fastens, prevents fixed die frame Z direction motion, and both cooperations prevent that fixed die frame is not hard up in the use by furthest.

The switch mold frame 2 is in a rectangular frame shape and is in a plane structure, the wall frames on the left side and the right side of the switch mold frame are respectively provided with a buffer spring groove 10, the buffer spring grooves 10 are in a long groove shape, and the side surface of the bottom of the groove is provided with a cooling vent hole; two sides are equipped with draw runner 11 in the 2 frames of switch framed, and draw runner 11 passes through the screw and the locating pin is fixed on switch framed 2, and when slip framed 3 slided in the mechanism, switch framed draw runner provided pressure for the slide on 3 framed of slip.

The sliding strips 11 are respectively installed and fixed on the switch die frame 2 and the sliding die frame and are respectively matched and fixed through bolts and positioning pins, and compared with the two sides of the original sliding strips fixed by two pressing plates, the sliding strips can be effectively prevented from deforming, and the moving linear precision is guaranteed. The interface of the upper sliding plate brick and the lower sliding plate brick always has a constant and uniform pressure, so that the mechanism runs more safely; the sliding strip 11 can be fixed through 3-5 screws, and is specifically fixed according to the length of the sliding strip 11, so that the deformation of the sliding strip can be overcome, and the flatness is guaranteed.

The utility model relates to a processing and manufacturing of spare part, according to the processing preparation that the explanation figure shows can. The utility model discloses a ladle slide gate mechanism adopts frame elasticity to compress tightly, gate-type structure, and after sliding die frame 3 pushed away to hang the connecting rod, only need start the pneumatic cylinder with sliding die frame 3 drive switch die frame and pull to operating position, slide interfacial pressure just establishes automatically, need not artifical the operation again.

Compared with the prior art, the ladle slide gate nozzle control mechanism of the utility model has the advantages that the mounting seat for connecting the fixed die frame 1 on the connecting plate 9 is arranged outside the fixed die frame 1, so that the assembly and disassembly are convenient, and the mechanism can be integrally installed. The groove for positioning the upper nozzle mounting tool on the fixed die frame 1 can be matched with the upper nozzle mounting tool to accurately limit the mounting position of the upper nozzle, so that the gap between the upper nozzle and the upper sliding plate brick is more accurately controlled, the precision can be ensured within 1-3mm, and the large size error of a refractory soil burning part is overcome. The fixed reasonable in design of draw runner installation can prevent effectively that the draw runner from warping, guarantees the straight line precision of motion.

Claims

1. A ladle sliding nozzle mechanism is characterized in that the mechanism comprises a fixed mould frame, a switch mould frame, a sliding mould frame, an upper nozzle brick, a lower nozzle brick, an upper sliding plate brick, a lower sliding plate brick, a hydraulic cylinder driving mechanism and a stroke control mechanism respectively, wherein a flange structure for mounting the hydraulic cylinder driving mechanism is arranged on the fixed mould frame;

fixed die frame upper portion is equipped with the top shoe brick, top shoe brick bottom surface is provided with water feeding instrument constant head tank, fixed die frame loops through buffer spring pull rod, buffer spring clamp plate and is connected with the switch die frame, the buffer spring pull rod cup joints with buffer spring to fix through the buffer spring clamp plate, the slip die frame sets up between fixed die frame and switch die frame, the slip die frame is through the T type groove at its top and pneumatic cylinder actuating mechanism interconnect, travel control mechanism sets up in pneumatic cylinder actuating mechanism's actuating lever top.

2. The ladle slide gate mechanism according to claim 1, wherein the mold frame is a square frame structure, the two side wall frames of the square frame structure are respectively provided with symmetrical buffer spring grooves, the buffer spring grooves are of a flat plate structure, the bottom of each buffer spring groove is provided with a round counter bore for positioning a buffer spring, the side surfaces of the buffer spring grooves are provided with gas cooling holes, two sides in the frame of the mold frame are respectively provided with a slide bar, the slide bars are fixed on the mold frame through screws and positioning pins, the mold frame is fixed on the mold frame through the slide bars, and the slide bars of the mold frame provide pressure for the slide bars on the mold frame.

3. The ladle sliding gate mechanism according to claim 1, wherein the buffer spring pressing plate is a flat plate structure, and the middle portion of the buffer spring pressing plate is respectively provided with a buffer spring pull rod insertion through hole, a buffer spring fixing counter bore and a threaded hole structure for assembling and disassembling the buffer spring pressing plate.

4. The ladle slide gate mechanism according to claim 1, wherein the fixed mold frame is connected to the connecting plate fixing base on the connecting plate through anchor bolts, and is positioned through connecting plate positioning pins on the connecting plate and positioning pin holes on the fixed mold frame, the mounting base for connecting the connecting plate to the fixed mold frame is provided outside the fixed mold frame, a hydraulic cylinder bracket structure is mounted on the connecting plate, and the upper part of the hydraulic cylinder bracket structure is connected to the hydraulic cylinder.

5. The ladle slide gate mechanism according to claim 1, wherein the upper gate tool positioning groove is of a circular configuration, and is configured with an upper gate positioning tool, and the bottom surface of the upper gate tool positioning groove coincides with the slide brick cavity for placing the upper slide brick and the lower slide brick, and the rotation of the upper gate tool positions the upper gate rapidly, and the fitting accuracy of the upper gate positioning tool and the positioning groove is >0.5mm, and the mounting accuracy of the upper gate is >1mm.

6. The ladle slide gate nozzle mechanism according to claim 1, wherein the switch mold frame and the slide bar on the slide mold frame are connected with each other through a screw and a positioning pin, and the ratio of the screw to the positioning pin is 4.