Raw material crushing device for producing light-cured zirconia ceramic slurry

Abstract

The utility model discloses a raw material crushing device for photocuring zirconia ceramic slurry production, which comprises a crushing box, a pre-crushing box is arranged above the crushing box, a mounting plate is arranged in the crushing box, a crushing bin is arranged above the mounting plate, two crushing rollers are arranged in the crushing bin, and the crushing rollers are arranged in the crushing bin. A crushing motor is arranged on one side of the crushing bin, two gears are arranged on the other side of the crushing bin, the two gears are connected with one ends of the crushing rollers correspondingly, a grating plate is arranged in the pre-crushing box, a push block is arranged above the grating plate, and the push block is arranged above the grating plate. The crushing device is provided with a two-stage crushing structure, the moving push blocks make contact with raw materials to apply extrusion force, pre-crushing treatment is conducted firstly, the size of the raw materials is reduced, then the raw materials are crushed through the rotating crushing rollers, and the crushing efficiency and quality of the raw materials can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of raw material crushing, in particular to a raw material crushing device for the production of photocurable zirconia ceramic slurry. Background Technique

[0002] Photocurable zirconia ceramic slurry is an advanced material that combines the excellent properties of zirconia ceramics with the rapid prototyping ability of photocuring technology. It is mainly prepared by mixing various components such as zirconia powder, photosensitive resin, dispersant, and initiator. Among them, zirconia powder is the key material that constitutes the main structure of the ceramic, while the photosensitive resin endows the slurry with photocuring characteristics, and the dispersant and initiator are respectively used to improve the stability of the slurry and promote the curing reaction; a device that crushes and reprocesses the zirconia raw materials required for production when producing ceramic products so as to meet the requirements of producing and processing ceramic products.

[0003] Chinese Patent Publication No. is CN209565031U, and the authorized announcement date is November 1, 2019. It is a crushing device for zirconia production; it can collect the raw material dust debris generated during the working process, and has high practicability; moreover, it is convenient to take out the materials in the working cavity, effectively improving its working efficiency; it includes a chassis, two groups of driving motors, a support plate, two groups of transmission rollers and two groups of support frames. There is a working cavity in the chassis, and a feeding port and a material taking port are respectively arranged at the top end and the right side wall of the chassis. A plurality of roller teeth are arranged on both groups of transmission rollers; it also includes a blower, a wire mesh frame, a collection box, a connecting hose, a sprinkler and a high-pressure pump. The input end and the output end of the connecting hose are respectively communicated with the slurry tank and the sprinkler, and the high-pressure pump is installed on the connecting hose; it also includes two groups of servo motors, a driving rod and two groups of connecting shafts. There is a connecting frame on the working cavity, a connecting groove is arranged at the bottom end of the connecting frame, and a plurality of fixing rods are arranged on the side wall of the driving rod.

[0004] In the existing crushing method, the complete zirconia ceramic raw materials are directly added to the crushing mechanism without pre-crushing the zirconia ceramic raw materials first. The large-volume zirconia ceramic raw materials will slip with the crushing roller, reducing the crushing efficiency of the zirconia ceramic raw materials and not meeting the use requirements. Summary of the Utility Model

[0005] The purpose of the present utility model is to provide a raw material crushing device for the production of photocurable zirconia ceramic slurry, so as to solve the problem raised in the above background technique that in the existing crushing method, the complete zirconia ceramic raw materials are directly added to the crushing mechanism without pre-crushing the zirconia ceramic raw materials first. The large-volume zirconia ceramic raw materials will slip with the crushing roller, reducing the crushing efficiency of the zirconia ceramic raw materials and not meeting the use requirements.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A raw material crushing device for the production of photocurable zirconia ceramic slurry, comprising a crushing box, above which a pre-crushing box is provided, and the pre-crushing box is connected to the crushing box by screws. Inside the crushing box, a mounting plate is provided, and the mounting plate is connected to the crushing box by screws. Above the mounting plate, a crushing bin is provided, and the crushing bin is fixedly connected to the mounting plate. Inside the crushing bin, two crushing rollers are provided, and the crushing rollers are rotatably connected to the crushing bin. On one side of the crushing bin, a crushing motor is provided, and the crushing motor is connected to the mounting plate by screws. The output end of the crushing motor is connected to one end of the crushing roller. On the other side of the crushing bin, two gears are provided, and the two gears are meshed with each other. The two gears are respectively connected to one end of the crushing roller. Inside the pre-crushing box, a grille plate is provided, and the grille plate is connected to the pre-crushing box by screws. Above the grille plate, two pushing blocks are provided. Between the two pushing blocks and the pre-crushing box, second cylinders are provided, and the second cylinders are fixedly connected to the pre-crushing box and the pushing blocks. At the front ends of the two pushing blocks, crushing grooves are provided.

[0007] Preferably, a feeding hopper is provided below the grille plate, and the feeding hopper is connected to the pre-crushing box by screws. The lower end of the feeding hopper extends into the crushing bin. On the inner wall of the crushing bin, an opening groove is provided, and the opening groove is arranged corresponding to the crushing roller. Below the crushing bin, a screening plate is provided, and the screening plate is connected to the crushing box by screws. The screening plate is inclined inside the crushing box.

[0008] Preferably, a vibration motor is provided below the screening plate, and the vibration motor is connected to the screening plate by screws. On both sides of the crushing box, a first discharge port and a second discharge port are respectively provided, and the first discharge port is arranged on one side of the lower end of the screening plate. On one side of the first discharge port and the second discharge port, a diversion cover is provided, and the diversion cover is connected to the crushing box by screws.

[0009] Preferably, a dust collection fan assembly is provided on one side of the crushing box, and the dust collection fan assembly is integrally connected to the crushing box. Inside the crushing box, a dust filtering plate is provided, and the dust filtering plate is fixedly connected to the crushing box. The dust filtering plate is communicated with the dust collection fan assembly. At the front end of the crushing box, an electric control panel is provided, and the electric control panel is connected to the crushing box by screws.

[0010] Preferably, a feeding hopper is provided at the center of the upper end of the pre-crushing box, and the feeding hopper is integrally connected to the pre-crushing box. On the top of the pre-crushing box, an observation window is provided, and the observation window is fixedly connected to the pre-crushing box. The observation window is arranged on both sides of the feeding hopper.

[0011] Preferably, rubber strips are provided at both the upper and lower ends of the two push blocks, and the rubber strips are integrally connected to the push blocks. The rubber strips are in contact with both the pre-crushing box and the grille plate. Rolling grooves are provided on the inner wall of the pre-crushing box, and balls are provided on both side walls of the two push blocks. One end of the ball extends into the rolling groove, and the ball is in rolling connection with both the pre-crushing box and the push block.

[0012] Preferably, walking wheels are provided below the crushing box. There are four walking wheels, and the walking wheels are connected to the crushing box by screws. The four walking wheels are arranged at the four corners of the crushing box. A fixing plate is provided on one side of each of the four walking wheels, and a first cylinder is provided above the fixing plate. The two ends of the first cylinder are respectively fixedly connected to the crushing box and the fixing plate.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. Through the settings of the grille plate, the second cylinder, the push block, the crushing bin, the crushing roller, the crushing motor and the gear, the second cylinder drives the push block to move. By means of the moving push block contacting the zirconia ceramic raw material for extrusion, the zirconia ceramic raw material is first crushed. The crushed zirconia ceramic raw material falls from the grille plate into the crushing bin. The crushing motor is started to drive one crushing roller to rotate. The two crushing rollers are in meshing transmission through the gear, and then drive the two crushing rollers to rotate synchronously in opposite directions. The rotating crushing rollers are used to crush the zirconia ceramic raw material.

[0015] 2. Through the settings of the screening plate and the vibration motor, the crushed zirconia ceramic raw material falls onto the screening plate. The screening plate is used to screen the zirconia ceramic raw material. The zirconia ceramic raw material that meets the crushing requirements falls from the screening plate, and the zirconia ceramic raw material that does not meet the requirements remains on the screening plate. The vibration motor drives the screening plate to vibrate, causing the zirconia ceramic raw material on the screening plate to shake, accelerating the screening of the zirconia ceramic raw material.

[0016] 3. Through the settings of the dust collection fan assembly and the dust filter plate, the dust collection fan assembly generates suction, and under the action of the suction, the dust in the crushing box and the pre-crushing box is extracted. The dust filter plate filters the extracted dust, preventing the zirconia ceramic particle raw material from being inhaled, and centrally collecting the zirconia ceramic dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall structural schematic diagram of the present utility model;

[0018] Figure 2 is the front view of the present utility model;

[0019] Figure 3 is the sectional view of the crushing box of the present utility model;

[0020] Figure 4 It is a cross-sectional view of the pre-crushing box of the present utility model;

[0021] Figure 5 It is a connection structure diagram of the push block and the pre-crushing box of the present utility model.

[0022] In the figure: 1. Crushing box; 2. Pre-crushing box; 3. Electric control panel; 4. Traveling wheels; 5. Fixed disk; 6. First cylinder; 7. Deflector; 8. Feeding hopper; 9. Second cylinder; 10. Dust collection fan assembly; 11. Observation window; 12. Crushing chamber; 13. Crushing roller; 14. Crushing motor; 15. Mounting plate; 16. Gear; 17. First discharge port; 18. Second discharge port; 19. Screening plate; 20. Vibration motor; 21. Dust filter plate; 22. Opening groove; 23. Grille plate; 24. Feeding hopper; 25. Push block; 26. Rolling groove; 27. Ball; 28. Crushing groove; 29. Rubber strip. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0024] Please refer to Figures 1-5, an embodiment provided by the present utility model: a raw material crushing device for the production of photocurable zirconia ceramic slurry, including a crushing box 1, a pre-crushing box 2 is arranged above the crushing box 1, and the pre-crushing box 2 is connected to the crushing box 1 by screws. A feeding hopper 8 is arranged at the center of the upper end of the pre-crushing box 2, and the feeding hopper 8 is integrally connected to the pre-crushing box 2. An installation plate 15 is arranged inside the crushing box 1, and the installation plate 15 is connected to the crushing box 1 by screws. A crushing chamber 12 is arranged above the installation plate 15, and the crushing chamber 12 is fixedly connected to the installation plate 15. Two crushing rollers 13 are arranged inside the crushing chamber 12, and the crushing rollers 13 are rotatably connected to the crushing chamber 12. A crushing motor 14 is arranged on one side of the crushing chamber 12, and the crushing motor 14 is connected to the installation plate 15 by screws. The output end of the crushing motor 14 is connected to one end of the crushing roller 13. Two gears 16 are arranged on the other side of the crushing chamber 12, and the two gears 16 are meshed with each other. The two gears 16 are respectively connected to one end of the crushing roller 13. A grille plate 23 is arranged inside the pre-crushing box 2, and the grille plate 23 is connected to the pre-crushing box 2 by screws. Two pushing blocks 25 are arranged above the grille plate 23. Second cylinders 9 are arranged between the two pushing blocks 25 and the pre-crushing box 2, and the second cylinders 9 are fixedly connected to the pre-crushing box 2 and the pushing blocks 25. Crushing grooves 28 are arranged at the front ends of the two pushing blocks 25. A blanking hopper 24 is arranged below the grille plate 23, and the blanking hopper 24 is connected to the pre-crushing box 2 by screws. The lower end of the blanking hopper 24 extends into the crushing chamber 12. An opening groove 22 is arranged on the inner wall of the crushing chamber 12, and the opening groove 22 is arranged corresponding to the crushing roller 13. A screening plate 19 is arranged below the crushing chamber 12, and the screening plate 19 is connected to the crushing box 1 by screws. The screening plate 19 is inclined inside the crushing box 1. A vibration motor 20 is arranged below the screening plate 19, and the vibration motor 20 is connected to the screening plate 19 by screws. A first discharge port 17 and a second discharge port 18 are respectively arranged on both sides of the crushing box 1, and the first discharge port 17 is arranged on one side of the lower end of the screening plate 19. Flow guiding covers 7 are arranged on one side of the first discharge port 17 and the second discharge port 18, and the flow guiding covers 7 are connected to the crushing box 1 by screws.

[0025] During use: Add the zirconia ceramic raw materials from the feeding hopper 8 to the pre-crushing box 2 first. Drive the second cylinder 9 to drive the pushing block 25 to move. With the moving pushing block 25 contacting the zirconia ceramic raw materials for extrusion, first crush the zirconia ceramic raw materials. The crushed zirconia ceramic raw materials fall from the grille plate 23 into the blanking hopper 24, and then fall into the crushing chamber 12 along the blanking hopper 24. Start the crushing motor 14 to drive one crushing roller 13 to rotate. The two crushing rollers 13 are meshed and driven by gears 16, and then drive the two crushing rollers 13 to rotate synchronously and in opposite directions. Use the rotating crushing rollers 13 to crush the zirconia ceramic raw materials. The crushed zirconia ceramic raw materials fall onto the screening plate 19. Screen the zirconia ceramic raw materials through the screening plate 19. The zirconia ceramic raw materials that meet the crushing requirements fall from the screening plate 19. The zirconia ceramic raw materials that do not meet the requirements remain on the screening plate 19 and roll along the screening plate 19 and are discharged from the first discharge port 17. The zirconia ceramic raw materials that fall from the screening plate 19 are discharged from the second discharge port 18.

[0026] Please refer to Figure 1 、 Figure 2 and Figure 3 As shown in, a dust collection fan assembly 10 is provided on one side of the crushing box 1, and the dust collection fan assembly 10 is integrally connected to the crushing box 1. A dust filter plate 21 is provided inside the crushing box 1, and the dust filter plate 21 is fixedly connected to the crushing box 1. The dust filter plate 21 is communicated with the dust collection fan assembly 10. An electric control panel 3 is provided at the front end of the crushing box 1, and the electric control panel 3 is connected to the crushing box 1 by screws. Start the dust collection fan assembly 10 to generate suction. Under the action of the suction, extract the dust in the crushing box 1 and the pre-crushing box 2, and centrally collect the zirconia ceramic dust.

[0027] Please refer to Figure 1 、 Figure 4 and Figure 5 As shown in, an observation window 11 is provided at the top of the pre-crushing box 2, and the observation window 11 is fixedly connected to the pre-crushing box 2. The observation window 11 is provided on both sides of the feeding hopper 8. Rubber strips 29 are provided at the upper and lower ends of the two pushing blocks 25, and the rubber strips 29 are integrally connected to the pushing blocks 25. The rubber strips 29 are in contact with both the pre-crushing box 2 and the grille plate 23. Rolling grooves 26 are provided on the inner wall of the pre-crushing box 2. Ball bearings 27 are provided on both side walls of the two pushing blocks 25. One end of the ball bearings 27 extends into the interior of the rolling grooves 26, and the ball bearings 27 are in rolling connection with both the pre-crushing box 2 and the pushing blocks 25.

[0028] Please refer to Figure 1 and Figure 2, a walking wheel 4 is provided below the crushing box 1. There are four walking wheels 4, and the walking wheels 4 are connected to the crushing box 1 by screws. The four walking wheels 4 are arranged at the four corners of the crushing box 1. A fixed plate 5 is provided on one side of each of the four walking wheels 4. A first cylinder 6 is provided above the fixed plate 5, and both ends of the first cylinder 6 are fixedly connected to the crushing box 1 and the fixed plate 5 respectively. The crushing device can be conveniently moved by the walking wheels 4. The first cylinder 6 drives the fixed plate 5 to lift and lower, bringing the fixed plate 5 into contact with the ground, and the crushing device can be fixed by means of the fixed plate 5.

[0029] Working principle: The zirconia ceramic raw materials are first added from the feeding hopper 8 into the pre-crushing box 2. The second cylinder 9 is driven to drive the push block 25 to move. By means of the moving push block 25 contacting and squeezing the zirconia ceramic raw materials, the zirconia ceramic raw materials are first crushed. The crushed zirconia ceramic raw materials fall from the grille plate 23 into the blanking hopper 24, and then fall into the crushing chamber 12 along the blanking hopper 24. The crushing motor 14 is started to drive one crushing roller 13 to rotate. The two crushing rollers 13 are meshed and driven by gears 16, and then drive the two crushing rollers 13 to rotate synchronously and reversely. The rotating crushing rollers 13 are used to crush the zirconia ceramic raw materials. The crushed zirconia ceramic raw materials fall onto the screening plate 19. The zirconia ceramic raw materials are screened by the screening plate 19. The zirconia ceramic raw materials that meet the crushing requirements fall from the screening plate 19. The zirconia ceramic raw materials that do not meet the requirements remain on the screening plate 19 and roll down along the screening plate 19 and are discharged from the first discharge port 17. The zirconia ceramic raw materials that fall from the screening plate 19 are discharged from the second discharge port 18. The dust collection fan assembly 10 is started to generate suction. Under the action of the suction, the dust in the crushing box 1 and the pre-crushing box 2 is extracted, and the zirconia ceramic dust is centrally collected; the walking wheels 4 facilitate the movement of the crushing device. The first cylinder 6 drives the fixed plate 5 to lift and lower, bringing the fixed plate 5 into contact with the ground, and the crushing device can be fixed by means of the fixed plate 5.

[0030] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A raw material crushing device for the production of photocurable zirconia ceramic slurry, including a crushing box (1), characterized in that: Above the crushing box (1), a pre-crushing box (2) is provided, and the pre-crushing box (2) is connected to the crushing box (1) by screws. Inside the crushing box (1), a mounting plate (15) is provided, and the mounting plate (15) is connected to the crushing box (1) by screws. Above the mounting plate (15), a crushing chamber (12) is provided, and the crushing chamber (12) is fixedly connected to the mounting plate (15). Inside the crushing chamber (12), crushing rollers (13) are provided. There are two crushing rollers (13), and the crushing rollers (13) are rotatably connected to the crushing chamber (12). On one side of the crushing chamber (12), a crushing motor (14) is provided, and the crushing motor (14) is connected to the mounting plate (15) by screws. The output end of the crushing motor (14) is connected to one end of the crushing roller (13). On the other side of the crushing chamber (12), gears (16) are provided. There are two gears (16), and the two gears (16) are meshed. The two gears (16) are respectively connected to one end of the crushing roller (13). Inside the pre-crushing box (2), a grille plate (23) is provided, and the grille plate (23) is connected to the pre-crushing box (2) by screws. Above the grille plate (23), push blocks (25) are provided. There are two push blocks (25). Between the two push blocks (25) and the pre-crushing box (2), second cylinders (9) are provided, and the second cylinders (9) are fixedly connected to both the pre-crushing box (2) and the push blocks (25). At the front ends of the two push blocks (25), crushing grooves (28) are provided.

2. The raw material crushing device for the production of photocurable zirconia ceramic slurry according to claim 1, wherein: Below the grille plate (23), a feed hopper (24) is provided, and the feed hopper (24) is connected to the pre-crushing box (2) by screws. The lower end of the feed hopper (24) extends into the inside of the crushing chamber (12). On the inner wall of the crushing chamber (12), an opening groove (22) is provided, and the opening groove (22) is arranged corresponding to the crushing roller (13). Below the crushing chamber (12), a screening plate (19) is provided, and the screening plate (19) is connected to the crushing box (1) by screws. The screening plate (19) is inclined inside the crushing box (1).

3. The raw material crushing device for the production of photocurable zirconia ceramic slurry according to claim 2, characterized in that: Below the screening plate (19), a vibration motor (20) is provided, and the vibration motor (20) is connected to the screening plate (19) by screws. On both sides of the crushing box (1), a first discharge port (17) and a second discharge port (18) are respectively provided, and the first discharge port (17) is arranged on one side of the lower end of the screening plate (19). On one side of both the first discharge port (17) and the second discharge port (18), a flow guide cover (7) is provided, and the flow guide cover (7) is connected to the crushing box (1) by screws.

4. The raw material crushing device for the production of photocurable zirconia ceramic slurry according to claim 1, wherein: On one side of the crushing box (1), a dust collection fan assembly (10) is provided, and the dust collection fan assembly (10) is integrally connected to the crushing box (1). Inside the crushing box (1), a dust filtering plate (21) is provided, and the dust filtering plate (21) is fixedly connected to the crushing box (1). The dust filtering plate (21) is communicated with the dust collection fan assembly (10). At the front end of the crushing box (1), an electric control panel (3) is provided, and the electric control panel (3) is connected to the crushing box (1) by screws.

5. The raw material crushing device for the production of photocurable zirconia ceramic slurry according to claim 1, characterized in that: At the center of the upper end of the pre-crushing box (2), a feeding hopper (8) is provided, and the feeding hopper (8) is integrally connected to the pre-crushing box (2). On the top of the pre-crushing box (2), an observation window (11) is provided, and the observation window (11) is fixedly connected to the pre-crushing box (2). The observation window (11) is arranged on both sides of the feeding hopper (8).

6. A raw material crushing device for the production of photocurable zirconia ceramic slurry according to claim 1, characterized in that: Rubber strips (29) are provided at both the upper and lower ends of the two push blocks (25), and the rubber strips (29) are integrally connected to the push blocks (25). The rubber strips (29) are in contact with both the pre-crushing box (2) and the grid plate (23). Rolling grooves (26) are provided on the inner wall of the pre-crushing box (2). Ball bearings (27) are provided on both side walls of the two push blocks (25). One end of the ball bearings (27) extends into the interior of the rolling grooves (26), and the ball bearings (27) are in rolling connection with both the pre-crushing box (2) and the push blocks (25).

7. A raw material crushing device for the production of photocurable zirconia ceramic slurry according to claim 1, characterized in that: Below the crushing box (1), four traveling wheels (4) are provided, and the traveling wheels (4) are connected to the crushing box (1) by screws. The four traveling wheels (4) are arranged at the four corners of the crushing box (1). On one side of each of the four traveling wheels (4), a fixing plate (5) is provided. Above the fixing plate (5), a first cylinder (6) is provided, and both ends of the first cylinder (6) are fixedly connected to the crushing box (1) and the fixing plate (5) respectively.

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