Electric melting zirconia corundum brick raw material crusher

Abstract

The utility model provides a kind of electrically fused zirconia corundum brick raw material crusher, it is related to the technical field of crusher, including circulation grinding shell, the upper portion of circulation grinding shell is provided with sealing crushing mechanism, sealing crushing mechanism includes crushing hopper, by baffle, torsional spring etc. structure, raw material extrusion baffle makes it rotate feed, baffle can be automatically reset after feeding sealing, effectively avoid dust overflow, without additional dust suction assembly, reduce power consumption and production cost, crushing stage, first servo motor drives crushing roller can carry out preliminary crushing to raw material, lay foundation for subsequent grinding, second servo motor is driven by worm gear drive, drive sawtooth bar, grinding roller etc. component operation, sawtooth bar can flatten raw material, grinding roller and grinding disc cooperate to further refine grinding to raw material, while spiral piece can transport back grinding disc after grinding material, realize circulation grinding, ensure that raw material is fully crushed, improve crushing thoroughness, improve the efficiency and quality of raw material crushing.

Description

Technical Field

[0001] This utility model relates to the field of crusher technology, and in particular to a crusher for fused zirconia-corundum brick raw materials. Background Technology

[0002] Fused zirconia-corundum bricks, also known as AZS fused zirconia-corundum bricks, are abbreviated as AZS. AZS is the abbreviation for the three chemical components in the Al₂O₃-ZrO₂-SiO₂ ternary phase diagram, arranged in order of their content: Al₂O₃ is represented by A, ZrO₂ by Z, and SiO₂ by S. This abbreviation is used in standard production. Fused zirconia-corundum bricks are white solids formed by melting pure alumina powder and zircon sand containing approximately 65% ​​zirconium oxide and 34% silicon dioxide in an electric furnace, then pouring the mixture into a mold and cooling. Their petrographic structure consists of a eutectic of corundum and zirconium oxaliplatinum, and a glassy phase. Physiologically speaking, it is a eutectic of corundum and zirconium oxaliplatinum phases, with the glassy phase filling the spaces between their crystals. During the production of fused zirconia-corundum bricks, the raw materials need to be ground and pulverized to increase their surface area, facilitating heat absorption during electrolytic heating and promoting the formation of fused bricks.

[0003] For example, a Chinese patent document discloses an electrofused zirconia corundum brick raw material crusher (publication number: CN221753443U). Although this patent uses a dust collection component, the dust generated during the crushing process is adsorbed into the interior by the internal dust collection fan and collected by the dust collection tray to prevent dust from flying and polluting the working environment, and a crushing roller and a grinding roller are set up to perform secondary processing on the raw materials, the crushing is more thorough.

[0004] However, while using a dust extraction component can prevent dust from overflowing, the raw material crushing process usually requires several hours of continuous operation. The dust extraction fan is always running at full load, which increases production costs. Furthermore, for raw materials with high hardness, such as zircon sand, some larger particles are discharged directly after only preliminary crushing because they do not make sufficient contact with the grinding rollers, resulting in the finished product containing coarse particles with excessive particle size. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies, such as the current use of dust collection components which leads to a significant increase in production costs and the incomplete or inadequate crushing of raw materials.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A crusher for fused zirconia-corundum brick raw materials includes a circulating grinding shell, and a sealed crushing mechanism is provided above the circulating grinding shell; The sealed crushing mechanism includes a crushing hopper. The rear inner wall of the crushing hopper is rotatably connected to symmetrically distributed rotating rods via bearings. Baffles are fixedly sleeved on the outside of the rotating rods. One end of the two baffles is in contact with each other. A limit plate is fixedly connected to one side of the baffle. One end of the rotating rod extends through to the front of the crushing hopper and is fixedly connected to a connecting block. A torsion spring is fixedly connected to the back of the connecting block. One end of each of the two torsion springs is fixedly connected to the front of the crushing hopper. The circulating grinding housing is equipped with a circulating grinding mechanism.

[0007] Preferably, a first servo motor is fixedly installed on the front of the crushing hopper in a symmetrical arrangement. The output shaft of the first servo motor is fixedly installed with a rotating shaft through a coupling. One end of the rotating shaft passes through the interior of the crushing hopper and is rotatably connected to the rear inner wall of the crushing hopper through a bearing. A crushing roller is fixedly sleeved on the outside of the rotating shaft.

[0008] Preferably, the circulating grinding mechanism includes a circulating pipe, the lower end of which is fixedly connected to the inner bottom wall of the circulating grinding housing, and the lower end of the circulating pipe has through grooves arranged in a ring array on its outer side.

[0009] Preferably, a grinding disc is fixedly sleeved on the upper end of the circulation pipe, and a drive rod is rotatably connected to the upper inner wall of the circulation grinding shell through a bearing. A worm gear is fixedly sleeved on the upper end of the drive rod.

[0010] Preferably, the lower end of the drive rod extends into the interior of the circulation tube and is fixedly sleeved with a spiral blade on the outside. The outer side of the spiral blade contacts the inner wall of the circulation tube, and symmetrically distributed serrated pavers are fixedly connected to the outside of the drive rod.

[0011] Preferably, the lower ends of both sawtooth sprockets are in contact with the upper end of the grinding disc, and a mounting block is fixedly sleeved on the outside of the drive rod. Grinding rollers that are symmetrically distributed are rotatably connected to both sides of the mounting block through bearings, and the outer sides of both grinding rollers are in contact with the upper end of the grinding disc.

[0012] Preferably, a second servo motor is fixedly installed at the upper end of the circulating grinding housing, and a worm gear is fixedly installed on the output shaft of the second servo motor through a coupling. The outer surface of the worm gear meshes with the tooth surface of the worm wheel, and a discharge pipe is fixedly connected to the lower end of the circulating grinding housing.

[0013] Compared with the prior art, the beneficial effects of this utility model are: In this invention, through structures such as baffles and torsion springs, the raw material is squeezed by the baffle to rotate and feed. After feeding, the baffle can automatically reset and seal, effectively preventing dust from overflowing. No additional dust collection components are needed, reducing power consumption and production costs. In the crushing stage, the first servo motor drives the crushing roller to perform preliminary crushing of the raw material, laying the foundation for subsequent grinding. The second servo motor drives the sawtooth strip, grinding roller, and other components to operate through worm gear transmission. The sawtooth strip can flatten the raw material, and the grinding roller and grinding disc work together to further refine the raw material. At the same time, the spiral blade can transport the ground material back to the grinding disc to achieve cyclic grinding, ensuring that the raw material is fully crushed, improving the thoroughness of crushing, and improving the efficiency and quality of raw material crushing. Attached Figure Description

[0014] Figure 1 A schematic diagram of the main structure of an electrofused zirconia-corundum brick raw material crusher provided by this utility model; Figure 2 Exploded view of the baffle structure of an electrofused zirconia-corundum brick raw material crusher provided by this utility model; Figure 3 A three-dimensional view of the circulating grinding shell structure of an electrofused zirconia corundum brick raw material crusher provided by this utility model; Figure 4 A three-dimensional view of the circulation pipe structure of an electrofused zirconia corundum brick raw material crusher provided by this utility model.

[0015] Legend: 1. Circulating grinding shell; 2. Crushing hopper; 21. Rotating rod; 22. Baffle; 23. Limiting plate; 24. Connecting block; 25. Torsion spring; 26. First servo motor; 27. Rotating shaft; 28. Crushing roller; 3. Circulating pipe; 31. Through groove; 32. Grinding disc; 33. Drive rod; 34. Worm gear; 35. Spiral blade; 36. Serrated pawl; 37. Mounting block; 38. Grinding roller; 39. Second servo motor; 310. Worm gear; 311. Discharge pipe. Detailed Implementation

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

[0017] To facilitate understanding of this utility model, a more comprehensive description of this utility model will be provided below with reference to relevant embodiments, and several embodiments of this utility model will be given. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this utility model more thorough and complete.

[0018] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0020] Example like Figures 1-4 As shown, this utility model provides a technical solution: an electrofused zirconia corundum brick raw material crusher, including a circulating grinding shell 1, a sealed crushing mechanism is provided above the circulating grinding shell 1, the sealed crushing mechanism includes a crushing bucket 2, the rear inner wall of the crushing bucket 2 is rotatably connected by a bearing to symmetrically distributed rotating rods 21, and a baffle 22 is fixedly sleeved on the outside of the rotating rods 21, with one end of the two baffles 22 contacting each other to form an initial sealing state.

[0021] A limiting plate 23 is fixedly connected to one side of the baffle 22, which can limit the opening angle of the baffle 22 and prevent the baffle 22 from deforming due to excessive compression of raw materials. One end of the rotating rod 21 extends through to the front of the crushing bucket 2 and is fixedly connected to a connecting block 24. A torsion spring 25 is fixedly connected to the back of the connecting block 24, and one end of each of the two torsion springs 25 is fixedly connected to the front of the crushing bucket 2.

[0022] When raw materials are fed in, the squeeze baffle 22 is rotated by the rotating rod 21, and the torsion spring 25 stores energy at the same time. After the raw materials pass through, the torque of the torsion spring 25 drives the baffle 22 to automatically reset and seal, effectively preventing dust from overflowing. No additional dust collection equipment is required, reducing energy consumption and production costs.

[0023] A first servo motor 26 is fixedly installed on the front of the crushing bucket 2 in a symmetrical arrangement. The output shaft of the first servo motor 26 is fixedly installed with a rotating shaft 27 through a coupling. One end of the rotating shaft 27 passes through the interior of the crushing bucket 2 and is rotatably connected to the rear inner wall of the crushing bucket 2 through a bearing. A crushing roller 28 is fixedly sleeved on the outside of the rotating shaft 27.

[0024] The first servo motor 26 drives the rotating shaft 27 to rotate the crushing roller 28. The two crushing rollers 28 work together to initially crush the raw material, breaking large pieces of raw material into smaller particles, laying the foundation for subsequent grinding.

[0025] The internal structure of the circulating grinding housing 1 is equipped with a circulating grinding mechanism, which includes a circulating pipe 3. The lower end of the circulating pipe 3 is fixedly connected to the inner bottom wall of the circulating grinding housing 1. The lower end of the circulating pipe 3 has through grooves 31 arranged in a ring array on the outside to facilitate the entry of materials into the circulating pipe 3.

[0026] A grinding disc 32 is fixedly sleeved on the upper end of the circulation pipe 3. A drive rod 33 is rotatably connected to the upper inner wall of the circulation grinding housing 1 through a bearing. A worm gear 34 is fixedly sleeved on the upper end of the drive rod 33.

[0027] The lower end of the drive rod 33 extends into the interior of the circulation pipe 3 and is fixedly sleeved with a spiral blade 35. The outer side of the spiral blade 35 contacts the inner wall of the circulation pipe 3, which can convey the material in the circulation pipe 3 upward.

[0028] The drive rod 33 is externally fixedly connected with symmetrically distributed sawtooth strips 36. The lower ends of both sawtooth strips 36 are in contact with the upper end of the grinding disc 32, which can flatten the material on the grinding disc 32 and ensure that the material is evenly stressed.

[0029] A mounting block 37 is fixedly sleeved on the outside of the drive rod 33. Grinding rollers 38 are symmetrically distributed on both sides of the mounting block 37 through bearings. The outside of both grinding rollers 38 is in contact with the upper end of the grinding disc 32. The grinding rollers 38 and the grinding disc 32 cooperate to finely grind the raw materials and improve the crushing effect.

[0030] A second servo motor 39 is fixedly installed at the upper end of the circulating grinding housing 1. The output shaft of the second servo motor 39 is fixedly installed with a worm gear 310 through a coupling. The outer surface of the worm gear 310 meshes with the tooth surface of the worm wheel 34. The stable rotation of the drive rod 33 is achieved through the transmission of the worm wheel 34 and the worm gear 310. The lower end of the circulating grinding housing 1 is fixedly connected to a discharge pipe 311 for discharging the ground raw material.

[0031] It should be noted that the electrical components mentioned above are all existing mature technologies, and appropriate models and power can be selected based on the technical knowledge of those skilled in the art, so they will not be described in detail here.

[0032] The working process of this utility model: Step one: First, the fused zirconia-corundum brick raw material is added to the crushing hopper 2. The raw material will compress the baffle 22 inside the crushing hopper 2, causing the baffle 22 to rotate via the rotating rod 21. At the same time, the rotating rod 21 drives the connecting block 24 to rotate, which in turn causes the torsion spring 25 to rotate and store energy. During this process, the limiting plate 23 contacts the inner wall of one side of the crushing hopper 2, limiting the opening angle of the baffle 22 and ensuring that the raw material can fall smoothly between the two crushing rollers 28. After the raw material falls between the crushing rollers 28 through the baffle 22, the pressure on the baffle 22 disappears, and at this time the torque of the torsion spring 25 is released. The connecting block 24 drives the rotating rod 21 to reset and rotate, thereby causing the two baffles 22 to reset and swing and contact each other, thus sealing the crushing bucket 2 and preventing dust from overflowing during subsequent crushing. Then, the first servo motor 26 is started. The output shaft of the first servo motor 26 drives the rotating shaft 27 to rotate through the coupling. When the rotating shaft 27 rotates, the crushing roller 28 fixedly sleeved on its outside also rotates. The two crushing rollers 28 cooperate with each other to perform preliminary crushing of the raw material falling into them, breaking the raw material into relatively small particles, preparing for subsequent circulating grinding. In step two, the initially pulverized raw material falls onto the grinding disc 32 of the circulating grinding mechanism. At this time, the second servo motor 39 is started. The output shaft of the second servo motor 39 drives the worm gear 310 to rotate through the coupling. Since the worm gear 310 meshes with the tooth surface of the worm wheel 34, the rotation of the worm gear 310 will drive the worm wheel 34 to rotate, which in turn causes the drive rod 33, which is fixedly connected to the worm wheel 34, to rotate. When the drive rod 33 rotates, on the one hand, it drives the sawtooth strip 36 to rotate, and the sawtooth strip 36 flattens the raw material above the grinding disc 32, so that the raw material can be ground more evenly; on the other hand, the drive rod 33 drives the grinding roller 38 to rotate through the mounting block 37. The outside of the grinding roller 38 contacts the upper end of the grinding disc 32, and the raw material is further refined and ground during the rotation process. Step 3: The ground material is squeezed and falls to the bottom of the circulating grinding housing 1. The bottom of the circulating grinding housing 1 is inclined, and the material will pass through the through groove 31 at the lower end of the circulating pipe 3 and enter the circulating pipe 3 along the inclined surface. At the same time, the rotation of the drive rod 33 will drive the spiral blade 35 fixedly sleeved on its outside to rotate. The outer side of the spiral blade 35 contacts the inner wall of the circulating pipe 3. The rotation of the spiral blade 35 can transport the material in the circulating pipe 3 upward, so that the material returns to the grinding disc 32, thereby realizing the circulating grinding of the raw material and ensuring that the raw material is fully crushed. After the raw material has been repeatedly circulated and ground to reach the required fineness, the valve of the discharge pipe 311 at the lower end of the circulating grinding housing 1 is opened, and the ground raw material will be discharged through the discharge pipe 311, completing the entire raw material crushing process.

[0033] 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 crusher for fused zirconia-corundum brick raw materials, comprising a circulating grinding shell (1), characterized in that: A sealed crushing mechanism is provided above the circulating grinding shell (1); The sealed crushing mechanism includes a crushing bucket (2). The rear inner wall of the crushing bucket (2) is rotatably connected to symmetrically distributed rotating rods (21) via bearings. A baffle (22) is fixedly sleeved on the outside of the rotating rod (21). One end of the two baffles (22) is in contact with each other. A limit plate (23) is fixedly connected to one side of the baffle (22). One end of the rotating rod (21) extends through to the front of the crushing bucket (2) and is fixedly connected to a connecting block (24). A torsion spring (25) is fixedly connected to the back of the connecting block (24). One end of each of the two torsion springs (25) is fixedly connected to the front of the crushing bucket (2). The circulating grinding housing (1) is equipped with a circulating grinding mechanism inside.

2. The fused zirconia-corundum brick raw material crusher according to claim 1, characterized in that: The front of the crushing bucket (2) is fixedly installed with a first servo motor (26) that is symmetrically distributed. The output shaft of the first servo motor (26) is fixedly installed with a rotating shaft (27) through a coupling. One end of the rotating shaft (27) passes through the interior of the crushing bucket (2) and is rotatably connected to the rear inner wall of the crushing bucket (2) through a bearing. A crushing roller (28) is fixedly sleeved on the outside of the rotating shaft (27).

3. The fused zirconia-corundum brick raw material crusher according to claim 1, characterized in that: The circulating grinding mechanism includes a circulating pipe (3), the lower end of which is fixedly connected to the inner bottom wall of the circulating grinding housing (1), and the lower end of the circulating pipe (3) is provided with through grooves (31) arranged in a ring array on the outside.

4. The fused zirconia-corundum brick raw material crusher according to claim 3, characterized in that: The upper end of the circulation pipe (3) is fixedly sleeved with a grinding disc (32), and the upper end of the circulation grinding housing (1) is rotatably connected to a drive rod (33) through a bearing. The upper end of the drive rod (33) is fixedly sleeved with a worm gear (34).

5. The fused zirconia-corundum brick raw material crusher according to claim 4, characterized in that: The lower end of the drive rod (33) extends into the interior of the circulation tube (3) and is fixedly sleeved with a spiral blade (35). The outer side of the spiral blade (35) contacts the inner wall of the circulation tube (3). A symmetrically distributed serrated pawl (36) is fixedly connected to the outside of the drive rod (33).

6. The fused zirconia-corundum brick raw material crusher according to claim 5, characterized in that: The lower ends of the two sawtooth pavers (36) are in contact with the upper end of the grinding disc (32). The drive rod (33) is fixedly sleeved with a mounting block (37). The two sides of the mounting block (37) are rotatably connected by bearings with symmetrically distributed grinding rollers (38). The outer sides of the two grinding rollers (38) are in contact with the upper end of the grinding disc (32).

7. The fused zirconia-corundum brick raw material crusher according to claim 4, characterized in that: The upper end of the circulating grinding housing (1) is fixedly installed with a second servo motor (39), and the output shaft of the second servo motor (39) is fixedly installed with a worm (310) through a coupling. The outer surface of the worm (310) meshes with the tooth surface of the worm wheel (34), and the lower end of the circulating grinding housing (1) is fixedly connected with a discharge pipe (311).

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