Raw material crushing device for magnesium aluminate spinel production

Abstract

The utility model provides a raw material crushing device for magnesium aluminate spinel production, which relates to the field of magnesium aluminate spinel production and comprises a magnesium aluminate spinel crushing box, a buffer plate is arranged in the magnesium aluminate spinel crushing box, a control plate is arranged on the outer side of the buffer plate, and a control assembly is arranged on the outer side of the control plate. An extrusion assembly is connected to the lower end of the control assembly and comprises a pressing plate, a hydraulic rod is connected to the outer side of the pressing plate, a drill rod is rotatably connected to the inner side of the pressing plate, a motor is connected to the outer end of the drill rod, a guide plate is arranged on the lower side of the extrusion assembly, a crushing roller is arranged on the lower side of the guide plate, and a screen is arranged on the lower side of the crushing roller; meanwhile, a collecting box is arranged on the lower side of the screen. The aluminum-magnesium spinel raw material crushing device solves the problems that an existing aluminum-magnesium spinel raw material crushing device cannot automatically stop materials during extrusion and is poor in crushing efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnesium aluminate spinel production technical field, concretely relates to a raw material crushing device for magnesium aluminate spinel production. BACKGROUND

[0002] Aluminum magnesium spinel refers to the spinel refractory raw material artificially synthesized by magnesium oxide and aluminum oxide. The raw material needs to be crushed during processing.

[0003] After searching, the prior art (publication number: CN215783980U) records "a raw material crushing device for aluminum magnesium spinel production and processing, belonging to the aluminum magnesium spinel processing technical field, specifically including a magnesium aluminate spinel crushing box, a feed hopper is arranged at the top of the magnesium aluminate spinel crushing box, first and second guide mechanisms are respectively arranged on the two sides in the magnesium aluminate spinel crushing box, hydraulic cylinders are fixedly installed on the two sides in the magnesium aluminate spinel crushing box, the extension end of the hydraulic cylinder is fixedly connected with a pressing plate, the adjacent side of the two pressing plates is provided with a crushing tooth, a plurality of stop rods are arranged below each pressing plate, a crushing roller is arranged in the crushing box, and a screen is arranged below the crushing roller. The utility model has the effects of buffering, powdering and screening on the aluminum magnesium spinel entering the magnesium aluminate spinel crushing box through the buffer plate, the first guide plate and the spring, the powdering effect of the aluminum magnesium spinel is greatly improved through the crushing tooth and the crushing roller, and the aluminum magnesium spinel powder is screened through the screen and the vibration motor.

[0004] The raw material crushing device for aluminum magnesium spinel in the prior art can realize the effects of crushing and screening, but still has some deficiencies: the existing raw material crushing device for aluminum magnesium spinel involves a pressing plate that needs to stop feeding when pressing, otherwise the raw material is easy to directly fall from the outside of the pressing plate to the second guide plate and be crushed by the crushing roller, thereby causing a large crushing pressure of the crushing roller on the raw material of large volume. The existing pressing plate lacks the effect of automatic stopping of feeding when moving, and the pressing plate involved is crushed by accumulation, but some large or circular magnesium aluminate spinels have large internal stress, which makes it difficult to be crushed by pressing, and the crushing by pressing can cause the jumping of crushed materials in the magnesium aluminate spinel crushing box, thereby causing damage to the inner wall of the magnesium aluminate spinel crushing box. UTILITY MODEL CONTENTS

[0005] In order to overcome the defects of the prior art, a raw material crushing device for magnesium aluminate spinel production is provided to solve the problems of the existing raw material crushing device for aluminum magnesium spinel that cannot automatically stop feeding when pressing and has poor crushing efficiency.

[0006] In order to achieve the above object, a raw material crushing device for producing magnesium-aluminum spinel is provided, which comprises a magnesium-aluminum spinel crushing box, a buffer plate is arranged inside the magnesium-aluminum spinel crushing box, a control plate is arranged outside the buffer plate, a control assembly is arranged outside the control plate, an extrusion assembly is connected to the lower end of the control assembly, the extrusion assembly comprises a pressing plate, a hydraulic rod is connected to the outer side of the pressing plate, a drill rod is rotatably connected to the inner side of the pressing plate, a motor is connected to the outer end of the drill rod, a flow guide plate is arranged at the lower side of the extrusion assembly, a crushing roller is arranged at the lower side of the flow guide plate, and a collecting box is arranged at the lower side of the crushing roller.

[0007] Further, the upper end of the magnesium-aluminum spinel crushing box is provided with a feeding hopper, the buffer plate is arranged at the lower side of the feeding hopper, and the upper end of the buffer plate is hingedly connected to the inner wall of the top of the magnesium-aluminum spinel crushing box.

[0008] Further, the upper end of the control plate is hingedly connected to the inner wall of the top of the magnesium-aluminum spinel crushing box, and a spring is connected between the control plate and the buffer plate.

[0009] Further, the control assembly comprises a vertical plate connected to the upper end of the pressing plate, a horizontal plate is connected to the upper end of the vertical plate, a groove is formed in the inner side edge of the horizontal plate, a rotating shaft is connected inside the groove, and rubber wheels are equidistantly installed on the rotating shaft.

[0010] Further, the outer edge of the rubber wheel protrudes from the inner side end surface of the horizontal plate, the rubber wheel is in rolling contact with the outer wall of the control plate, and a tooth groove is formed in the lower end of the control plate.

[0011] Further, the lower end of the pressing plate is vertically connected with a clamping plate, the clamping plates at the lower ends of the two groups of pressing plates are matched and inserted, and a protruding tooth is arranged on the inner wall of the pressing plate.

[0012] Further, the motor is installed on the outer wall of the pressing plate, and the drill rods on the inner side of the pressing plate are arranged in an up-down staggered manner.

[0013] The beneficial effects of the present application are as follows:

[0014] 1. When in use, the magnesium-aluminum spinel raw material enters the magnesium-aluminum spinel crushing box through the feeding hopper, is first buffered by the buffer plate and the spring, then falls into the inner side of the pressing plate included in the extrusion assembly, is supported by the clamping plate at the bottom, then the hydraulic rod and the motor are started to drive the pressing plate to move close while driving the drill rod to rotate, so that the drill rod first contacts the clamped raw material to realize drilling, thereby damaging the internal stress of the raw material, and then facilitating the extrusion plate to crush it, improving the crushing efficiency, and reducing the probability of raw material collapse damaging the inner wall of the magnesium-aluminum spinel crushing box.

[0015] 2. When the pressure plate is in operation, the vertical and horizontal plates of the control assembly drive the rubber wheel to move. When the rubber wheel moves, it squeezes the control plate close to rotate. When the bottom of the control plate intersects, it achieves the effect of shutting off the material on the upper side, thereby preventing the material from falling directly from the outside of the pressure plate onto the crushing roller on the lower side. This avoids large-volume materials from causing excessive crushing pressure on the crushing roller and protects the crushing roller. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the front section structure of an embodiment of the present utility model.

[0017] Figure 2 This is a schematic diagram of the internal structure of the magnesium aluminum spinel crushing box according to an embodiment of the present invention.

[0018] Figure 3 This is a schematic diagram of the control board structure according to an embodiment of the present utility model.

[0019] Figure 4 This is a schematic diagram of the control component structure according to an embodiment of the present utility model.

[0020] In the diagram: 1. Magnesium-aluminum spinel crushing box; 11. Guide plate; 12. Crushing roller; 13. Screen; 14. Collection box; 2. Extrusion assembly; 21. Pressure plate; 22. Hydraulic rod; 23. Convex tooth; 24. Motor; 25. Drill rod; 26. Engaging plate; 3. Buffer plate; 31. Spring; 4. Control panel; 5. Control assembly; 51. Vertical plate; 52. Horizontal plate; 53. Rotating shaft; 54. Rubber wheel. Detailed Implementation

[0021] 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.

[0022] Reference Figures 1 to 4The utility model provides a raw material crushing device for magnesio-aluminate spinel production, which comprises: a magnesio-aluminate spinel crushing box 1, a buffer plate 3 arranged inside the magnesio-aluminate spinel crushing box 1, a control plate 4 arranged outside the buffer plate 3, a control assembly 5 arranged outside the control plate 4, an extrusion assembly 2 connected to the lower end of the control assembly 5, wherein the extrusion assembly 2 comprises a pressing plate 21, a hydraulic rod 22 connected to the outer side of the pressing plate 21, a drill rod 25 rotatably connected to the inner side of the pressing plate 21, a motor 24 connected to the outer end of the drill rod 25, a flow guide plate 11 arranged at the lower side of the extrusion assembly 2, a crushing roller 12 arranged at the lower side of the flow guide plate 11, and a screen 13 arranged at the lower side of the crushing roller 12, and a collection box 14 arranged at the lower side of the screen 13.

[0023] In the embodiment, the magnesio-aluminate spinel crushing box 1, the extrusion assembly 2, the control plate 4 and the control assembly 5 constitute the main structure of the raw material crushing device for magnesio-aluminate spinel production.

[0024] Specifically, the crushing roller 12 is arranged in the form of a pair of intermeshing toothed rollers, the outer side of the toothed rollers is driven by two intermeshing gears arranged on the outer wall of the crushing box 1, and a driving device is connected to the outer end of the central shaft of one of the crushing rollers 12.

[0025] Specifically, the screen 13 and the collection box 14 have the same structure and principle as those of the comparative document.

[0026] As shown in Figure 2 , the upper end of the magnesio-aluminate spinel crushing box 1 is provided with a feeding hopper, the buffer plate 3 is arranged at the lower side of the feeding hopper, the upper end of the buffer plate 3 is hingedly connected to the inner wall of the top of the magnesio-aluminate spinel crushing box 1, the upper end of the control plate 4 is hingedly connected to the inner wall of the top of the magnesio-aluminate spinel crushing box 1, and a spring 31 is arranged between the control plate 4 and the buffer plate 3.

[0027] Specifically, during the discharging process, the control plate 4 is fixed by the control assembly 5 arranged outside, and the discharging buffering effect of the buffer plate 3 is realized by the spring 31.

[0028] As shown in Figure 2 and Figure 4 , the control assembly 5 comprises a vertical plate 51 connected to the upper end of the pressing plate 21, the upper end of the vertical plate 51 is connected to a horizontal plate 52, a recess is formed in the inner side edge of the horizontal plate 52, a rotating shaft 53 is arranged in the recess, a plurality of rubber wheels 54 are equidistantly arranged on the rotating shaft 53, the outer edge of the rubber wheels 54 protrudes from the inner side end surface of the horizontal plate 52, the rubber wheels 54 are in rolling contact with the outer wall of the control plate 4, and a tooth groove is formed in the lower end of the control plate 4.

[0029] Specifically, the tooth grooves arranged at the bottom of the two V-shaped control plates 4 are used to realize the cross connection of the control plates 4 when they are close to each other, thereby realizing the closed stop discharging effect.

[0030] Specific, vertical plate 51 and horizontal plate 52 constitute L-shaped structure, when the rubber wheel 54 is extruded to close the control plate 4, the inner side of the pressing plate 21 is crushed at the same time.

[0031] As Figure 2 The lower end of the pressing plate 21 is vertically connected with the occlusion plate 26, and the occlusion plates 26 at the lower ends of the two sets of pressing plates 21 are matched and inserted, and the inner wall of the pressing plate 21 is provided with the protruding teeth 23, and the motor 24 is installed on the outer wall of the pressing plate 21, and the drill rod 25 inside the inner side of the pressing plate 21 is arranged in an up-down staggered manner.

[0032] Specifically, the occlusion plate 26 and the pressing plate 21 have the same connection structure as the comparative file, so that when the pressing plate 21 is extruded, the occlusion plate 26 is cross-inserted, so that the pressing plate 21 obtains an extrusion space, and then when the occlusion plate 26 is opened, the release of the crushed raw materials is realized.

[0033] In use, the magnesium aluminate spinel raw material enters the magnesium aluminate spinel crushing box through the feeding hopper, is first buffered by the buffer plate and the spring, then falls into the inner side of the pressing plate included in the extrusion assembly, is supported by the occlusion plate at the bottom, and then the hydraulic rod and the motor are started to drive the pressing plate to move close while driving the drill rod to rotate, so that the drill rod first contacts the clamped raw material to realize drilling, thereby damaging the internal stress of the raw material, and then facilitating the extrusion plate to crush it, thereby improving the crushing efficiency and reducing the probability of raw material collapse damaging the inner wall of the magnesium aluminate spinel crushing box. When the pressing plate moves, the vertical plate and the horizontal plate included in the control assembly drive the rubber wheel to move, and when the rubber wheel moves, the control plate is extruded to move close and rotate, and when the bottom of the control plate intersects, the closing and stopping effect of the upper raw material is realized, thereby preventing the raw material from continuing to fall directly from the outer side of the pressing plate to the crushing roller below, thereby avoiding that the large-volume raw material causes a large crushing pressure on the crushing roller, thereby achieving the effect of protecting the crushing roller.

[0034] The magnesium aluminate spinel production raw material crushing device can effectively solve the problems of the existing aluminum magnesium spinel raw material crushing device, such as inability to automatically stop material during extrusion and poor crushing efficiency, and realizes the function of automatically stopping material during extrusion on the basis of the existing magnesium aluminate spinel production raw material crushing device, and increases the drill rod structure to reduce the pressure of the pressing plate, thereby improving the crushing efficiency and preventing the raw material from collapsing.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A raw material crushing device for producing magnesium aluminate spinel, comprising: The application discloses a magnesium-aluminum spinel crushing box (1), characterized in that the magnesium-aluminum spinel crushing box (1) is internally provided with a buffer plate (3), the buffer plate (3) is externally provided with a control plate (4), the control plate (4) is externally provided with a control assembly (5), the control assembly (5) is connected with an extrusion assembly (2) at the lower end, the extrusion assembly (2) comprises a pressing plate (21), the pressing plate (21) is connected with a hydraulic rod (22) at the outer side, the pressing plate (21) is rotatably connected with a drill rod (25) at the inner side, the outer end of the drill rod (25) is connected with a motor (24), the extrusion assembly (2) is provided with a flow guide plate (11) at the lower side, the flow guide plate (11) is provided with a crushing roller (12) at the lower side, the crushing roller (12) is provided with a screen (13) at the lower side, and the screen (13) is provided with a collecting box (14) at the lower side.

2. The raw material crushing device for producing magnesium aluminate spinel according to claim 1, characterized in that, The magnesium-aluminum spinel crushing box (1) is provided with a feeding hopper at the upper end, the buffer plate (3) is located at the lower side of the feeding hopper, and the upper end of the buffer plate (3) is hingedly connected to the inner wall of the top of the magnesium-aluminum spinel crushing box (1).

3. The raw material crushing device for producing magnesium aluminate spinel according to claim 1, characterized in that, The upper end of the control plate (4) is hingedly connected to the inner wall of the top of the magnesium-aluminum spinel crushing box (1), and the buffer plate (3) and the control plate (4) are connected with a spring (31).

4. The raw material crushing device for producing magnesium aluminate spinel according to claim 1, characterized in that, The control assembly (5) comprises a vertical plate (51) connected to the upper end of the pressing plate (21), the upper end of the vertical plate (51) is connected with a horizontal plate (52), the inner side edge of the horizontal plate (52) is provided with a groove, the groove is connected with a rotating shaft (53), and a plurality of rubber wheels (54) are equidistantly arranged on the rotating shaft (53).

5. The raw material crushing device for producing magnesium aluminate spinel according to claim 4, characterized in that, The outer edge of the rubber wheel (54) protrudes from the inner side end face of the horizontal plate (52), the rubber wheel (54) is in rolling contact with the outer wall of the control plate (4), and the lower end of the control plate (4) is provided with a tooth groove.

6. The raw material crushing device for producing magnesium aluminate spinel according to claim 1, characterized in that, The lower end of the pressing plate (21) is vertically connected with a clamping plate (26), the clamping plates (26) at the lower ends of the two groups of pressing plates (21) are matched and inserted, and the inner wall of the pressing plate (21) is provided with a protruding tooth (23).

7. The raw material crushing device for producing magnesium aluminate spinel according to claim 1, characterized in that, The motor (24) is arranged on the outer wall of the pressing plate (21), and the drill rods (25) at the inner side of the pressing plate (21) are arranged in a staggered manner.

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