Compaction equipment for producing high-density magnesium-hercynite sand bricks

Abstract

The utility model discloses compacting equipment for producing high-density magnesium-hercynite sand bricks, which comprises a four-column hydraulic press body, a pressing block is mounted at the lower end of a pressing head of the four-column hydraulic press body, an upper template is assembled and connected to the lower end of the pressing block, a die mounting port is arranged on a working table of the four-column hydraulic press body, and the die mounting port is connected with the upper template. The utility model relates to the technical field of production of high-density magnesium hercynite sand bricks, magnesium hercynite sand raw material powder is poured into the mold groove, the pressing head is used for pushing the pressing block and the upper mold plate to move downwards, the mold groove is formed in the position of the mold installation opening, and the step boss is arranged at the lower end of the mold groove. And after compaction is completed, the pressing head is controlled to reset, the pushing hydraulic cylinder is used for pushing the sliding frame to move upwards, and therefore the formed green brick is ejected out to the workbench, the telescopic end of the core pulling hydraulic cylinder is controlled to be recycled, and the core mold is automatically pulled out of the green brick. And taking down the green brick.

Description

Technical Field

[0001] This utility model relates to the field of high-density magnesium-iron-aluminum spinel sand brick production technology, specifically a compaction device for producing high-density magnesium-iron-aluminum spinel sand bricks. Background Technology

[0002] With the rapid development and technological advancements in the cement industry, new cement kilns are evolving towards exocatalysis and large-scale production. Due to the characteristics of these new cement kilns, such as slow kiln speed, high kiln temperature, poor resistance to alkaline slag erosion, complex structure, and high energy efficiency standards, the refractory bricks used in cement kilns and their application technologies have undergone comprehensive updates, and magnesia-based refractory materials have also experienced rapid development. The raw materials used in high-density refractory bricks for cement kilns mainly include high-purity magnesia with a magnesium oxide content of 97%, iron-aluminum spinel, magnesia-iron sand, and magnesia-aluminum spinel sand. These raw materials undergo secondary mixing, are pressed into brick blanks, and then sintered in a tunnel kiln to produce cement kiln bricks. In existing technologies, during the production and pressing of porous refractory bricks, a common problem is that after pressing, the core mold is often directly set on the lower mold base, making it difficult to easily remove the pressed porous bricks from the equipment. The demolding operation is complex and may damage the porous bricks. Therefore, this paper addresses these issues through in-depth research. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a compaction device for producing high-density magnesium-iron-aluminum spinel sand bricks, solving the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a compaction device for producing high-density magnesium-iron-aluminum spinel sand bricks, comprising a four-column hydraulic press body. A pressure block is installed at the lower end of the press head of the four-column hydraulic press body. An upper template is assembled and connected to the lower end of the pressure block. A mold mounting opening is provided on the worktable of the four-column hydraulic press body. A mold groove is provided at the mold mounting opening. A stepped boss is provided at the lower end of the mold groove. A lower template is provided above the stepped boss. A through hole for the core mold to pass through is opened on the lower template. A sliding bracket is installed at the lower end of the lower template. A pushing hydraulic cylinder is provided at the lower part of the sliding bracket. The side of the sliding bracket is connected to the frame of the four-column hydraulic press body through a guide limiting component. A core-pulling hydraulic cylinder is provided inside the sliding bracket. A movable seat is installed at the telescopic end of the core-pulling hydraulic cylinder. An elastic support assembly is provided on the movable seat. A core mold seat is provided on the elastic support assembly. A core mold is provided on the core mold seat.

[0005] The aforementioned elastic support assembly includes a fixed groove, a compression spring, and a support block. The fixed groove is disposed on a movable seat, the compression spring is evenly disposed within the fixed groove, and the support block is slidably inserted into the fixed groove. The upper end of the support block is connected to the core mold seat, and the lower end is connected to the compression spring.

[0006] The aforementioned guide limiting component includes a guide rail and a slider. The guide rail is symmetrically arranged on the inner wall of the frame of the four-column hydraulic press body. The slider is slidably mounted on the guide rail and connected to the outer wall of the sliding bracket through a connecting seat.

[0007] On the above-mentioned workbench, a multi-stage pusher cylinder is arranged horizontally on one side of the mold mounting port, and the telescopic end of the multi-stage pusher cylinder is provided with a pusher plate.

[0008] The lower end face of the upper template is provided with a clearance groove corresponding to the core mold position.

[0009] The sliding bracket is symmetrically provided with limit guide posts, and guide blocks are slidably fitted on the limit guide posts. The guide blocks are connected to the movable seat.

[0010] This utility model provides a compaction device for producing high-density magnesium-iron-aluminum spinel sand bricks. It has the following advantages: This compaction device improves upon the existing four-column hydraulic press body by creating a mold mounting port on the worktable and assembling a mold slot into the port. A stepped boss at the bottom of the mold slot is used to limit the lower mold platen. In operation, the telescopic end of the core-pulling hydraulic cylinder is first expanded, pushing the moving seat upwards to push the core mold into the mold slot. Magnesium-iron-aluminum spinel sand raw material powder is then poured into the mold slot, and after leveling the powder, the four-column hydraulic press body is started, using the pressure head to push... The pressing block and upper template move downwards, thus extruding the raw material powder in the mold groove. Under pressure, the raw material powder forms a brick blank. After compaction, the pressing head is reset, and the top-pushing hydraulic cylinder at the bottom of the frame is activated. The top-pushing hydraulic cylinder pushes the sliding frame upward, thereby ejecting the formed brick blank onto the worktable. The telescopic end of the core-pulling hydraulic cylinder is retracted, automatically pulling the core mold out of the brick blank. After the brick blank is removed, the telescopic end of the top-pushing hydraulic cylinder is reset, thereby driving the lower template to reset back into the mold groove. The structure is simple, the demolding operation is convenient, and the degree of automation is high. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the main structure of a compaction device for producing high-density magnesium-iron-aluminum spinel sand bricks according to the present invention.

[0012] Figure 2 This is a schematic diagram of the structure after the lower template of this utility model is pushed upward.

[0013] Figure 3This is a schematic diagram of the structure of the core mold after it has been pulled downwards according to this utility model.

[0014] Figure 4 This utility model Figure 1 A magnified schematic diagram of the structure at position a.

[0015] In the diagram: 1. Four-column hydraulic press body; 2. Press head; 3. Press block; 4. Upper template; 5. Mold groove; 6. Stepped boss; 7. Lower template; 8. Sliding bracket; 9. Pushing hydraulic cylinder; 10. Frame; 11. Core pulling hydraulic cylinder; 12. Moving seat; 13. Core mold seat; 14. Core mold; 15. Fixing groove; 16. Compression spring; 17. Support block; 18. Guide rail; 19. Slider; 20. Multi-stage pushing cylinder; 21. Push plate; 22. Clearance groove; 23. Limiting guide post; 24. Guide block. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example: Refer to the appendix of the instruction manual Figure 1-4As can be seen, this application specifically designs a compaction device for producing high-density magnesium-iron-aluminum spinel sand bricks. A pressure block 3 is installed at the lower end of the pressure head 2 of the four-column hydraulic press body 1. An upper template 4 is assembled and connected to the lower end of the pressure block 3. A mold installation port is provided on the worktable of the four-column hydraulic press body 1. A mold groove 5 is provided at the position of the mold installation port. A stepped boss 6 is provided at the lower end of the mold groove 5. A lower template 7 is provided above the stepped boss 6. A through hole for the core mold 14 to pass through is opened on the lower template 7. A sliding support is installed at the lower end of the lower template 7. The sliding support 8 has a push hydraulic cylinder 9 at its lower part. The side of the sliding support 8 is connected to the frame 10 of the four-column hydraulic press body 1 via a guide limiting component. A core-pulling hydraulic cylinder 11 is located inside the sliding support 8. A movable seat 12 is installed at the telescopic end of the core-pulling hydraulic cylinder 11. An elastic support assembly is installed on the movable seat 12, a core mold seat 13 is installed on the elastic support assembly, and a core mold 14 is installed on the core mold seat 13. The existing four-column hydraulic press body 1 is improved by opening a mold mounting port on the worktable. The mold groove 5 is assembled into the mold mounting port. A stepped boss 6 is provided at the bottom of the mold groove 5 to limit the lower template 7. In use, first, the telescopic end of the core-pulling hydraulic cylinder 11 is expanded to push the moving seat 12 upward, thereby pushing the core mold 14 into the mold groove 5. The magnesium iron aluminum spinel sand raw material powder is poured into the mold groove 5, and after the powder is leveled, the four-column hydraulic press body 1 is started. The pressure head 2 pushes the pressure block 3 and the upper template 4 downward, thereby extruding the raw material powder in the mold groove 5. The raw material powder is pressed to form a brick blank. After compaction, the pressure head 2 is reset and the push hydraulic cylinder 9 at the bottom of the frame 10 is activated. The push hydraulic cylinder 9 pushes the sliding frame upward, thereby ejecting the formed brick blank onto the worktable. The telescopic end of the core-pulling hydraulic cylinder 11 is retracted to automatically extract the core mold 14 from the brick blank. After the brick blank is removed, the telescopic end of the push hydraulic cylinder 9 is reset, thereby driving the lower template 7 to reset into the mold groove 5. The structure is simple, the demolding operation is convenient, and the degree of automation is high.

[0018] In specific implementation, as a preferred configuration, the above-mentioned elastic support assembly includes a fixed groove 15, a compression spring 16, and a support block 17. The fixed groove 15 is set on the movable seat 12, the compression spring 16 is evenly arranged in the fixed groove 15, and the support block 17 is slidably inserted into the fixed groove 15. The upper end of the support block 17 is connected to the core mold seat 13, and the lower end is connected to the compression spring 16. When the upper template 4 is pressed down, its lower end face first contacts the upper end face of the core mold 14. Under the action of pressure, the core mold 14 and the core mold seat 13 are pushed downward. At this time, the support block 17 compresses the compression spring 16 downward. Under the action of the spring return force of the compression spring 16, the top surface of the core mold 14 is kept in contact with the upper template 4, which can effectively improve the forming quality of the brick blank.

[0019] In specific implementation, as a preferred configuration, the above-mentioned guide limiting component includes a guide rail 18 and a slider 19. The guide rail 18 is symmetrically arranged on the inner wall of the frame 10 of the four-column hydraulic press body 1. The slider 19 is slidably mounted on the guide rail 18 and connected to the outer wall of the sliding bracket 8 through a connecting seat. The sliding bracket 8 slides in the vertical direction under the pushing action of the top hydraulic cylinder 9. The cooperation between the slider 19 and the guide rail 18 can further improve the stability of the movement of the sliding bracket 8.

[0020] In the specific implementation process, as a preferred setting, a multi-stage pushing cylinder 20 is set horizontally on the side of the mold installation port on the worktable. The telescopic end of the multi-stage pushing cylinder 20 is provided with a pushing plate 21. After the core mold 14 is pulled out downward, the telescopic end of the multi-stage pushing cylinder 20 is controlled to expand, so as to push the core-pulled brick blank to one side of the worktable using the pushing plate 21, making it easy to remove the brick blank.

[0021] In the specific implementation process, as a preferred setting, the lower end face of the upper template 4 is provided with a relief groove 22 corresponding to the position of the core mold 14. The design of the relief groove 22 increases the compression stroke between the lower end face of the upper template 4 and the blank, thereby further improving the compaction effect on the brick blank.

[0022] In the specific implementation process, as a preferred setting, the sliding bracket 8 is symmetrically provided with limiting guide posts 23, and a guide block 24 is slidably fitted on the limiting guide post 23. The guide block 24 is connected to the moving seat 12. The cooperation between the guide block 24 and the guide post makes the movement of the moving seat 12 in the vertical direction more stable, thereby improving the stability of the up and down movement of the core mold 14 and facilitating the quick extraction of the core mold 14.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A compaction apparatus for producing high-density magnesio-alumina spinel brick, comprising a four-column hydraulic press body, characterized in that, The lower end of the pressure head of the four-column hydraulic machine body is provided with a pressing block, the lower end of the pressing block is assembled and connected with an upper mold plate, the workbench of the four-column hydraulic machine body is provided with a mold installation opening, the position of the mold installation opening is provided with a mold groove, the lower end of the mold groove is provided with a stepped boss, the upper side of the stepped boss is provided with a lower mold plate, the lower mold plate is provided with a through hole for the core mold, the lower end of the lower mold plate is provided with a sliding support, the lower part of the sliding support is provided with a pushing hydraulic cylinder, the side of the sliding support is connected with the rack of the four-column hydraulic machine body through a guide limiting piece, the inner side of the sliding support is provided with a core-pulling hydraulic cylinder, the telescopic end of the core-pulling hydraulic cylinder is provided with a moving seat, the moving seat is provided with an elastic support assembly, the elastic support assembly is provided with a core mold seat, and the core mold seat is provided with a core mold.

2. A compaction apparatus for producing high-density magnesio-alumino-spinel brick according to claim 1, characterized in that, The elastic support assembly comprises a fixed groove, a compression spring and a support block, the fixed groove is arranged on the moving seat, the compression springs are evenly arranged in the fixed groove, and the support block is slidingly inserted into the fixed groove.

3. A compaction apparatus for producing high-density magnesio-alumino-spinel brick according to claim 1, characterized in that, The guide limiting piece comprises a guide rail and a sliding block, the guide rails are symmetrically arranged on the inner side wall surface of the rack of the four-column hydraulic machine body, the sliding block is slidingly sleeved on the guide rail and connected with the outer side wall surface of the sliding support through a connecting seat.

4. A compaction apparatus for producing high-density magnesio-alumino-spinel brick according to claim 1, characterized in that, A plurality of horizontal pushing air cylinders are arranged on one side of the workbench along the horizontal direction.

5. A compaction apparatus for producing high-density magnesio-alumino-spinel brick according to claim 1, characterized in that, The lower end surface of the upper mold plate is provided with an avoiding groove corresponding to the position of the core mold.

6. A compaction apparatus for producing high-density magnesio-alumino-spinel brick according to claim 1, characterized in that, The inner side of the sliding support is symmetrically provided with a limiting guide column, the limiting guide column is slidingly sleeved with a guide block, and the guide block is connected with the moving seat.

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