阅读说明：本技术 一种精炼钢包用高强度镁碳砖制备设备及其工艺 (Preparation equipment and process of high-strength magnesia carbon brick for refined steel ladle ) 是由 徐建新 谈继星 于 2020-07-14 设计创作，主要内容包括：本发明涉及一种精炼钢包用高强度镁碳砖制备设备及其工艺,设备包括第一压制装置、设置于该第一压制装置一侧的第二压制装置、模具流转装置和粉料添加装置,所述第一压制装置和第二压制装置均包括机架、模腔组件、压模组件以及传动组件,还包括模具导入组件；工艺包括上模具、一次压制、二次压制、转移翻面、反面压制及出料工序。通过设置第一压制装置和第二压制装置对粉料进行正反面压制成型,以及在第一压制装置和第二压制装置之间通过第二传动单元实现对模具的转移并翻面,配合上模具、一次压制、二次压制、转移翻面、反面压制及出料的自动化,实现了自动化生产,而且对砖块正反压制,压力均衡以及耐火砖压制的致密程度均一。(The invention relates to a preparation device and a preparation process of a high-strength magnesia carbon brick for a refined steel ladle, wherein the preparation device comprises a first pressing device, a second pressing device arranged on one side of the first pressing device, a mould circulation device and a powder adding device, wherein the first pressing device and the second pressing device respectively comprise a rack, a mould cavity component, a pressing mould component and a transmission component, and further comprise a mould guiding-in component; the process comprises the working procedures of die feeding, primary pressing, secondary pressing, transfer turning, reverse pressing and discharging. Carry out positive and negative press forming to the powder through setting up first suppression device and second suppression device to and realize the transfer and the turn-over to the mould through second drive unit between first suppression device and second suppression device, the cooperation is mould, once is suppressed, the secondary is suppressed, is shifted the automation of turn-over, reverse side suppression and ejection of compact, has realized automated production, moreover to the fragment of brick positive and negative suppression, the compact degree homogeneous of pressure equilibrium and firebrick suppression.)

1. The utility model provides a preparation equipment of high strength magnesia carbon brick for refined steel ladle which characterized in that includes: the device comprises a first pressing device (1), a second pressing device (2) arranged on one side of the first pressing device (1), a mould circulation device (3) and a powder adding device (4);

the first pressing device (1) and the second pressing device (2) respectively comprise a rack (21), a die cavity assembly (22), a die assembly (23) and a transmission assembly (24), wherein the die cavity assembly (22) is vertically arranged at the bottom of the rack (21) and comprises an outer column (221) integrally connected to the rack (21) and an ejector pin (222) constrained in the outer column (221) and only capable of sliding along the length direction of the outer column (221), when the ejector pin (222) is located at the bottom of the outer column (221), the ejector pin (222) and the outer column (221) form a die cavity (223), and the die assembly (23) is arranged at the top of the rack (21) opposite to the die cavity assembly (22);

the transmission assembly (24) comprises a first transmission unit (241), a second transmission unit (242) and a third transmission unit (243), the first transmission unit (241) is arranged on the outer column (221) and is in transmission connection with the ejector pin (222), the second transmission unit (242) is arranged on the rack (21), and the third transmission unit (243) is in transmission connection with the die assembly (23) and the powder adding device (4);

The mould circulation device (3) comprises a circulation conveyor belt (31) and a plurality of moulds (32) arranged on the circulation conveyor belt (31), and the circulation conveyor belt (31) circulates and conveys the moulds (32) between the first pressing device (1) and the second pressing device (2);

the powder adding device (4) comprises a main adding component (41) and an auxiliary adding component (42), the main adding component (41) is fixed on the rack (21), the main adding component (41) fills powder into the die cavity (223), and the auxiliary adding component (42) is hinged to one side of the top of the outer column (221); and

mould leading-in subassembly, mould leading-in subassembly set up in the top of outer post (221), it includes deflector (2211), guided way (2212) and top unit (2213), deflector (2211) is tubaeform opening orientation the input of circulation conveyer belt (31), guided way (2212) to die cavity (223) slope set up in the rear end of deflector (2211), top unit (2213) set up in directly over deflector (2211).

2. A high-strength magnesia carbon brick manufacturing apparatus for a refining ladle according to claim 1, characterized in that said first transmission unit (241) comprises:

A drive rack (2411), the drive rack (2411) being fixedly disposed on the die assembly (23);

a first gear (2412), wherein the first gear (2412) is in meshing transmission with the driving rack (2411), and the first gear (2412) is arranged to be a unidirectional rotation driving gear; and

the driving cam (2413), the driving cam (2413) is arranged at the transmission end of the first gear (2412), and the driving cam (2413) is used for driving the thimble (222) to vertically move.

3. The apparatus as claimed in claim 2, wherein the driving rack (2411) comprises a support (24110) and a cam driving part (24111), a transfer driving part (24112), a feeding driving part (24113) and a cleaning driving part (24114) integrally formed with the support (24110), the cam driving part (24111) is disposed at one side of the bottom of the support (24110), the transfer driving part (24112) is disposed adjacent to the side of the cam driving part (24111), the cleaning driving part (24114) is disposed above the other side of the support (24110) relative to the cam driving part (24111), and the feeding driving part (24113) is disposed below the other side of the support (24110) relative to the transfer driving part (24112).

4. A high-strength magnesia carbon brick manufacturing apparatus for a refining ladle according to claim 3, characterized in that said second transmission unit (242) comprises:

the second chain wheel set (2421), the second chain wheel set (2421) is arranged on the rack (21), and the power input end of the second chain wheel set can be in matched transmission with the transfer driving part (24112);

the gripper frame (2422), the gripper frame (2422) is in transmission connection with the power output end of the second chain wheel set (2421);

the guide track (2423), the guide track (2423) is integrally arranged on the rack (21), and the free end of the gripper frame (2422) is in interference constraint on the surface of the guide track (2423) to move; and

a gripper (2424), the gripper (2424) being constrained to the gripper frame (2422) and being slidable only along the length of the gripper frame (2422).

5. A high-strength magnesia carbon brick preparation apparatus for a refining ladle according to claim 4, further comprising a cleaning wheel set (25), wherein the cleaning wheel set (25) is arranged on the top of the outer column (221), the cleaning wheel set (25) comprises a second gear (251) and a transmission chain (252) in transmission connection with the second gear (251), and the second gear (251) can be in transmission connection with the cleaning driving part (24114).

6. The apparatus for preparing high-strength magnesia carbon bricks for refining steel ladles as claimed in claim 5, wherein the driving chain (252) is provided with a claw (2521), and the gripping hand (2424) is provided with a clamping block (24241) which can be matched with the claw (2521) in a clamping manner.

7. A high-strength magnesia carbon brick manufacturing apparatus for a refining ladle according to claim 3, characterized in that the third transmission unit (243) comprises:

a third gear (2431), wherein the third gear (2431) is rotatably arranged on the side wall of the outer column (221) and is arranged corresponding to the feeding driving part (24113); and

a transmission frame (2432), the transmission frame (2432) is rotatably disposed on the outer column (221), and is in transmission connection with the third gear (2431).

8. A high-strength magnesia carbon brick production facility for a refining ladle according to claim 7, characterized by comprising a main addition component (41) comprising:

the feeding bin (411) is fixedly arranged on the rack (21), and an outlet of the feeding bin (411) is opposite to the die cavity (223); and

the opening and closing piece (412) is arranged above the feeding bin (411) and is in transmission connection with the transmission frame (2432) through a connecting rod, and the opening and closing piece (412) controls the storage and discharge of the feeding bin (411) in a rotating mode.

9. A high-strength maj or brick preparation apparatus for a refining ladle according to claim 8, characterized in that said shutter (412) comprises a lever (4121) and closing plates (4122) provided at both ends of said lever (4121), said lever (4121) being hinged centrally to said charging bin (411), said closing plates (4122) being provided as arc-shaped plates.

10. A preparation process of a high-strength magnesia carbon brick for a refined steel ladle is characterized by comprising the following steps:

firstly, a mould (32) is mounted, the mould (32) is transported to a mould cavity component (22) in a first pressing device (1) by a mould circulation device (3), and the mould (32) is guided into the mould cavity component (22) by a mould guide-in component;

step two, adding powder, wherein the pressing die assembly (23) continuously rises to drive the powder adding device (4) to open to add powder into the die cavity (223);

thirdly, performing primary pressing, namely descending the pressing die assembly (23) to perform primary pressing on the powder;

fourthly, secondary pressing is carried out, the die assembly (23) rises, the rack frame (2411) is driven to drive the cleaning wheel set (25) to move, the cleaning wheel set (25) drives the grab (2424) to move to clean and collect redundant powder on the opening of the outer column (221) to the auxiliary adding assembly (42), and when the die assembly (23) descends again, the auxiliary adding assembly (42) pumps the powder to the main adding assembly (41) to add the powder to the die cavity (223) and then completes the secondary pressing;

Fifthly, transferring and turning over, enabling the die assembly (23) to ascend, enabling the first transmission unit (241) to drive the ejector pins (222) to eject the die (32) out of the die cavity (223), and enabling the second transmission unit (242) to grab the die (32) and turn over for 180 degrees to be conveyed to the die cavity assembly (22) in the second pressing device (2);

sixthly, performing reverse pressing, namely adding powder to the reverse side of the die (32) by a powder adding device (4) in the second pressing device (2), and performing pressing forming by a pressing die assembly (23);

and seventhly, discharging, wherein a second transmission unit (242) in the second pressing device (2) grabs the mold (32) and conveys the mold to the mold circulation device (3), the mold circulation device (3) carries out dismounting on the mold (32) in the process of circulating the mold (32), meanwhile, the pressed and formed brick stacking is extracted, and the mold (32) is recycled.

Technical Field

The invention relates to the technical field of refractory material processing, in particular to a preparation device and a preparation process of a high-strength magnesia carbon brick for a refined steel ladle.

Background

China is a world-wide refractory brick production base, has wide national and international market demand prospects, has perfect refractory brick professional technology and production process, is far behind developed countries in the aspect of refractory brick automatic production equipment development, and most of domestic manufacturers mainly use pure manual operation equipment or semi-automatic equipment and often use manual operation in the aspects of feeding and output after brick blank forming; the manual feeding mostly judges the amount of raw materials needed by the individual brick blanks by experience, thereby causing low working efficiency and low product quality; the refractory brick for the ladle is more obvious for the magnesia carbon brick for refined steel with higher requirements, and the refractory brick for the ladle requires higher turning tightness and high temperature resistance compared with the refractory brick for cast iron; therefore, research and development of professional production equipment with high automation degree and high cost performance as soon as possible is a problem which is urgently needed to be solved by production enterprises in the industry.

Patent document CN201610168719.5 discloses a full-automatic hydraulic brick press for cylindrical refractory bricks and a brick pressing process, which comprises a cylindrical refractory brick automatic press mold fixed on a mold frame, wherein the mold frame comprises a driving beam (20) and a floating mold frame (22), the driving beam (20) is connected with a driving oil cylinder (18) for driving the driving beam to lift, the floating mold frame (22) is connected with an auxiliary oil cylinder (19) for driving the floating mold frame to lift, the cylindrical refractory brick automatic press mold comprises an upper template (8), a lower template (2) and a middle frame, the middle frame and the lower template (2) lift relatively to form an annular mold cavity, the upper template (8) is fixed at the lower side of the driving beam (20), and the middle frame is connected with the floating mold frame (22).

However, although the invention realizes the automatic production of the refractory bricks, the invention cannot realize the automatic production of the refractory bricks needing to be processed by adding the core die, the prior art generally adopts manual feeding and hammering shaping, and the disassembly and the assembly of the die are finished by manual operation, so the efficiency is low, and the compaction degrees of the refractory bricks are different.

Disclosure of Invention

The invention aims to provide high-strength magnesia carbon brick preparation equipment for a refining ladle, which is characterized in that a first pressing device and a second pressing device are arranged to perform front and back pressing forming on powder, and a second transmission unit is arranged between the first pressing device and the second pressing device to transfer and turn over a mould, so that the problems that in the background technology, feeding and beating forming are generally performed manually, dismounting and mounting of the mould are completed manually, the efficiency is low, and the pressing degree of refractory bricks is different are solved.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a preparation equipment of high strength magnesia carbon brick for refined steel ladle which characterized in that includes: the device comprises a first pressing device, a second pressing device arranged on one side of the first pressing device, a mould circulation device and a powder adding device;

The first pressing device and the second pressing device respectively comprise a rack, a die cavity assembly, a die assembly and a transmission assembly, the die cavity assembly is vertically arranged at the bottom of the rack and comprises an outer column integrally connected to the rack and an ejector pin constrained in the outer column and capable of sliding only along the length direction of the outer column, when the ejector pin is located at the bottom of the outer column, the ejector pin and the outer column form a die cavity, and the die assembly is arranged at the top of the rack opposite to the die cavity assembly;

the transmission assembly comprises a first transmission unit, a second transmission unit and a third transmission unit, the first transmission unit is arranged on the outer column and is in transmission connection with the ejector pin, the second transmission unit is arranged on the rack, and the third transmission unit is in transmission connection with the die assembly and the powder adding device;

the mold circulating device comprises a circulating conveyor belt and a plurality of molds arranged on the circulating conveyor belt, and the circulating conveyor belt conveys the molds between the first pressing device and the second pressing device in a circulating manner;

the powder adding device comprises a main adding component and an auxiliary adding component, the main adding component is fixed on the rack, the main adding component is used for filling powder into the die cavity, and the auxiliary adding component is hinged to one side of the top of the outer column; and

Leading-in subassembly of mould, leading-in subassembly of mould set up in the top of outer post, it includes deflector, guided way and jacking unit, the deflector is tubaeform opening orientation the input of circulation conveyer belt, the guided way to the die cavity slope set up in the rear end of deflector, the jacking unit set up in directly over the deflector.

As an improvement, the first transmission unit includes:

a drive rack fixedly disposed on the die assembly;

the first gear is in meshing transmission with the driving rack, and the first gear is a unidirectional rotation driving gear; and

the driving cam is arranged at the transmission end of the first gear and drives the ejector pin to vertically move.

As an improvement, the driving rack comprises a support and a cam driving part, a transfer driving part, a feeding driving part and a cleaning driving part which are integrally arranged on the support, wherein the cam driving part is arranged on one side of the bottom of the support, the transfer driving part is adjacently arranged on the side of the cam driving part, the cleaning driving part is opposite to the cam driving part arranged above the other side of the support, and the feeding driving part is opposite to the transfer driving part arranged below the other side of the support.

As a refinement, the second transmission unit comprises:

the second chain wheel set is arranged on the rack, and the power input end of the second chain wheel set can be in matched transmission with the transfer driving part;

the gripper frame is in transmission connection with the power output end of the second chain wheel set;

the guide tracks are integrally arranged on the rack, and the free end of the gripper frame is abutted and constrained on the guide track surface to move; and

the hand grips are constrained to the hand grip frame and can only slide along the length direction of the hand grip frame.

As an improvement, the cleaning device further comprises a cleaning wheel set, the cleaning wheel set is arranged at the top of the outer column and comprises a second gear and a transmission chain in transmission connection with the second gear, and the second gear and the cleaning driving part can be in transmission in a matched mode.

As an improvement, the transmission chain is provided with a clamping jaw, and the clamping jaw is provided with a clamping block which can be clamped and matched with the clamping jaw correspondingly.

As a refinement, the third transmission unit comprises:

the third gear is rotatably arranged on the side wall of the outer column and corresponds to the feeding driving part; and

And the transmission frame is rotatably arranged on the outer column and is in transmission connection with the third gear.

As an improvement, the main adding component comprises:

the feeding bin is fixedly arranged on the rack, and an outlet of the feeding bin is opposite to the die cavity; and

the opening and closing piece is arranged above the feeding bin and is in transmission connection with the transmission frame through a connecting rod, and the opening and closing piece rotates to control the storage and the discharging of the feeding bin.

As an improvement, the opening and closing piece comprises a lever and sealing plates arranged at two ends of the lever, the center of the lever is hinged to the feeding bin, and the sealing plates are arc-shaped plates.

The invention also aims to provide a preparation process of the high-strength magnesia carbon brick for the refined steel ladle, which effectively realizes the automation of upper die, primary pressing, secondary pressing, transfer turnover, reverse pressing and discharging in the production of refractory bricks, and drives the linkage motion of the first transmission unit, the second transmission unit and the powder adding device by the driving rack, so that the whole process is complete and coordinated in motion, and the power output can be saved.

In order to achieve the purpose, the invention provides the following technical scheme:

A preparation process of a high-strength magnesia carbon brick for a refined steel ladle is characterized by comprising the following steps:

the method comprises the following steps that firstly, a mould is arranged, a mould circulation device conveys the mould to a mould cavity assembly in a first pressing device, and a mould is guided into the mould cavity assembly by a mould guide-in assembly;

step two, adding powder, and continuously lifting the pressing die assembly to drive the powder adding device to open the die cavity to add powder;

thirdly, performing primary pressing, namely descending the pressing die assembly to perform primary pressing on the powder;

fourthly, secondary pressing is carried out, the pressing die assembly rises back, the rack is driven to drive the cleaning wheel set to move, the cleaning wheel set drives the gripper to move, redundant powder on the outer column opening is cleaned and collected to the auxiliary adding assembly, and when the pressing die assembly descends again, the auxiliary adding assembly pumps the powder to the main adding assembly to serve as a die cavity and then secondary pressing is completed;

transferring and turning, lifting the die assembly, driving the ejector pin to eject the die out of the die cavity by the first transmission unit, grabbing the die by the second transmission unit, turning for 180 degrees and conveying to the die cavity assembly in the second pressing device;

sixth, back pressing, wherein a powder adding device in the second pressing device adds powder to the back of the mold and the mold is pressed and molded by a pressing mold assembly;

And seventhly, discharging, wherein a second transmission unit in the second pressing device grabs the mold and conveys the mold to a mold circulation device, the mold circulation device carries out dismounting on the mold in the mold circulation process, simultaneously, the brick stacking formed by pressing is extracted, and the mold is recycled.

The invention has the beneficial effects that:

(1) according to the invention, the first pressing device and the second pressing device are arranged to perform front and back pressing molding on powder, the mold is transferred and turned over through the second transmission unit between the first pressing device and the second pressing device, and the automation of the mold loading, the primary pressing, the secondary pressing, the transfer turning, the back pressing and the discharging is matched, so that the automatic production is realized, and the brick block is pressed in the front and back direction, the pressure is balanced and the compaction degree of the refractory brick is uniform;

(2) according to the invention, the third transmission unit is arranged to transmit the opening and closing of the main adding assembly, so that quantitative feeding is realized, and the uniform quality of bricks is ensured;

(3) according to the invention, the mould is led into the mould cavity according to the designated channel by arranging the mould leading-in component, so that the conditions of mould deflection and the like are prevented;

(4) according to the invention, the cleaning wheel set is arranged to drive the gripper to move to clean and collect powder at the die cavity opening, and the gripper can be used as a cleaning brush and can also realize the effect of gripping a die;

(5) According to the invention, the auxiliary adding assembly is arranged to re-feed the cleaned and collected powder into the die cavity by the main adding assembly for adding, so that the total amount of the powder is ensured to be constant.

In conclusion, the equipment has the advantages of compactness, uniformity and automatic production, and is particularly suitable for the technical field of refractory material processing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings described below are only some embodiments of the present invention, 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 schematic structural view of a high-strength magnesia carbon brick manufacturing apparatus for a refined steel ladle;

FIG. 2 is a schematic partial cross-sectional view of the axial measurement of the present invention;

FIG. 3 is a schematic view of a first press apparatus and a second press apparatus of the present invention;

FIG. 4 is an enlarged view of the point A in FIG. 3;

FIG. 5 is a schematic view of a first press apparatus and a second press apparatus of the present invention partially engaged;

FIG. 6 is an enlarged view of the point B in FIG. 5;

FIG. 7 is a schematic view of the operation of the cleaning wheel set;

FIG. 8 is a schematic view of the operation of the first transmission unit;

FIG. 9 is a schematic view of the second transmission unit;

FIG. 10 is a schematic view of the third transmission unit;

FIG. 11 is one of the schematic powder additions;

FIG. 12 is a second schematic view of the addition of powder;

FIG. 13 is one of the schematic views of the gripper and gripper frame;

FIG. 14 is a second view of the gripper and gripper frame;

FIG. 15 is a schematic flow chart of a process for preparing a high-strength magnesia carbon brick for a refined steel ladle.

Detailed Description

The technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.