Crushing device for aerated concrete block production

Abstract

The utility model relates to the field of pipe fitting processing equipment, in particular to a crushing device for aerated concrete block production, which comprises a frame, an upper millstone mounted on the frame, a lower millstone rotatably mounted below the upper millstone and a discharge mechanism arranged around the lower millstone, and a crushing area is formed between the upper millstone and the lower millstone. The crushing area comprises an upper grinding area located below the upper millstone and a lower grinding area located above the lower millstone, the crushing area is in a cone shape with the high inside and the low outside, the section of a feeding port of the crushing area is in a horn mouth shape, and when the lower millstone rotates, materials to be crushed flow out through the grinding area; the technical problem that in the prior art, dust and noise are large in the material smashing process is solved.

Description

Technical Field

[0001] The utility model relates to the field of aerated concrete equipment, in particular to a crushing device for producing aerated concrete blocks. Background Art

[0002] Autoclaved aerated concrete blocks are a kind of porous concrete products made of fly ash, lime, cement, gypsum, slag and other main autoclaved aerated concrete raw materials, with appropriate amount of gas generating agent, regulator, bubble stabilizer added, through the process of batching, mixing, pouring, static stopping, cutting and high-pressure steaming.

[0003] The utility model patent with Chinese patent application number CN202322069687.1 discloses a crushing device for recycling autoclaved aerated concrete blocks, including a crushing box, a baffle plate fixedly connected to the inside of the crushing box, the baffle plate divides the inside of the crushing box into an upper and lower part, the upper part of the crushing box is provided with an extrusion assembly, the lower part of the crushing box is rotatably connected with a first crushing roller and a second crushing roller through a bearing, one end of the first crushing roller and the second crushing roller is provided with a driving assembly, the utility model drives the first extrusion plate and the second extrusion plate to extrude and crush the concrete blocks in the initial state through the first hydraulic cylinder and the second hydraulic cylinder, and then the extruded and crushed concrete blocks fall into the first crushing roller and the second crushing roller, the first driving motor drives the first double gear and the second double gear, and then drives the first crushing roller and the second crushing roller to rotate forward and reverse, so as to fully crush the extruded and crushed concrete blocks and increase the recovery rate of the concrete blocks.

[0004] However, the device achieves the crushing of concrete blocks through two-stage crushing, which easily generates loud noise and dust in the process, and the two-stage crushing makes the device bulky. Utility Model Content

[0005] In view of the above problems, the utility model provides a crushing device for the production of aerated concrete blocks, which solves the technical problems of dust and noise generated in the material crushing process in the prior art by setting the crushing area between the upper grinding disc and the lower grinding disc into a cone shape with a high inside and a low outside, and the inlet of the crushing area is large and the outlet is small, and the cross-sectional shape of the crushing area is set to a broken line shape, so that corresponding material troughs are provided on the upper grinding area and the lower grinding area of ​​the crushing area. When the lower grinding disc rotates, the material to be crushed flows out through the grinding area, thereby solving the technical problems of high dust and noise generated in the material crushing process in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A crushing device for producing aerated concrete blocks comprises a frame, an upper grinding disc mounted on the frame, a lower grinding disc rotatably mounted below the upper grinding disc, and a discharging mechanism arranged around the lower grinding disc, wherein a crushing area is formed between the upper grinding disc and the lower grinding disc, the crushing area comprises an upper grinding area located below the upper grinding disc and a lower grinding area located above the lower grinding disc, the crushing area is in the shape of a cone with an inner high and an outer low, and the cross-sectional shape of the feed port of the crushing area is in the shape of a trumpet.

[0008] As an improvement, the upper grinding area includes grinding surface a, grinding surface b and grinding surface c arranged radially from the inside to the outside of the crushing area, and the cross-sectional inclination angles of the grinding surface a, the grinding surface b and the grinding surface c are α, β and γ respectively, then α>β, γ>β.

[0009] As an improvement, the grinding surface a, the grinding surface b and the grinding surface c are each provided with a plurality of groups of guide grooves extending radially along the pulverizing area and distributed in a circular array.

[0010] As an improvement, the lower grinding area includes grinding surface d, grinding surface e and grinding surface f, which are arranged in one-to-one correspondence with the grinding surface a, the grinding surface b and the grinding surface c, the grinding surface d is arranged parallel to the grinding surface a, the grinding surface e is arranged parallel to the grinding surface b, and the cross-sectional inclination angle of the grinding surface d is δ, then α>δ, γ>δ>β.

[0011] As an improvement, spiral grooves are provided on the grinding surface d, the grinding surface e and the grinding surface f.

[0012] As an improvement, a feed port connected to the feed port is provided in the middle of the upper grinding disc.

[0013] As an improvement, the lower grinding disc also includes a mounting base plate, a slewing support bearing arranged on the mounting base plate and used to mount the lower grinding disc, a reducer installed below the mounting base plate, a motor connected to the power of the reducer, and a gear installed on the output shaft of the reducer and meshing with the slewing support bearing.

[0014] As an improvement, it also includes a cylinder installed on the frame and dynamically connected to the mounting base plate, and a plurality of groups of support shafts arranged at the bottom of the mounting base plate and slidingly passing through the frame, wherein the plurality of groups of support shafts are distributed in a circular array.

[0015] As an improvement, the discharging mechanism includes a material guide plate arranged axially along the lower grinding disc and in a conical shape, a material receiving trough arranged in an inclined annular shape and connected to the material guide plate for flow connection, and a discharging port opened at the lowest point of the material receiving trough.

[0016] The beneficial effects of the utility model are:

[0017] (1) In the present invention, the material to be crushed is fed into the crushing area from the feed port, and the lower grinding disc rotates. Under the action of the guide groove and the spiral groove, the material to be crushed is mirror-crushed through the crushing area. The crushing process is carried out between the upper grinding disc and the lower grinding disc, so that no dust will be generated. Compared with the impact crushing in the traditional technology, it is quieter.

[0018] (2) In the present invention, both the upper grinding area and the lower grinding area are composed of three grinding surfaces, and the corresponding three grinding surfaces are the feeding area, the grinding area and the discharging area from the inside to the outside, and the slope of the discharging area is greater than the slope of the grinding area, which is conducive to crushing and discharging, and can improve the crushing efficiency;

[0019] (3) The area formed by the grinding surface a and the grinding surface d in the utility model is the entrance of the crushing area, and the entrance is trumpet-shaped, so that large pieces of material can quickly enter the interior of the crushing area, further improving the crushing efficiency;

[0020] (4) The oil cylinder in the utility model cooperates with the guide shaft to drive the lower grinding plate to approach and move away from the upper grinding plate, thereby adjusting the size of the crushing area, realizing the crushing production of raw materials of various specifications, and improving the applicability and utilization rate of the equipment.

[0021] In summary, the utility model has the advantages of simple structure, convenient maintenance and high crushing efficiency, and is particularly suitable for the field of aerated concrete equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a cross-sectional structural diagram of the utility model Figure 1 ;

[0024] Figure 3 This is a cross-sectional structural diagram of the utility model Figure 2 ;

[0025] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0026] Figure 5 Schematic diagram of the upper grinding disc structure;

[0027] Figure 6 It is a schematic diagram of the lower grinding disc structure. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] Example:

[0032] like Figure 1 and Figure 2 As shown, a crushing device for producing aerated concrete blocks includes a frame 1, an upper grinding disc 2 installed on the frame 1, a lower grinding disc 3 rotatably installed below the upper grinding disc 2, and a discharging mechanism 4 arranged around the lower grinding disc 3, a crushing area 10 is formed between the upper grinding disc 2 and the lower grinding disc 3, the crushing area 10 includes an upper grinding area 21 located below the upper grinding disc 2 and a lower grinding area 31 located above the lower grinding disc 3, the crushing area 10 is in the shape of a cone with an inner high and an outer bottom, and the cross-sectional shape of a feed port 101 of the crushing area 10 is a trumpet-shaped shape.

[0033] Further, such as Figure 4 and Figure 5 As shown, the upper grinding area 21 includes a grinding surface a211, a grinding surface b212 and a grinding surface c213 which are arranged radially from the inside to the outside of the crushing area 10, and the cross-sectional inclination angles of the grinding surface a211, the grinding surface b212 and the grinding surface c213 are α, β and γ respectively, so α>β, γ>β.

[0034] Further, such as Figure 4 and Figure 6 As shown, the lower grinding area 31 includes a grinding surface d311, a grinding surface e312 and a grinding surface f313 which are arranged in one-to-one correspondence with the grinding surface a211, the grinding surface b212 and the grinding surface c213. The grinding surface d311 is arranged parallel to the grinding surface a211, the grinding surface e312 is arranged parallel to the grinding surface b212, and the cross-sectional inclination angle of the grinding surface d311 is δ, then α>δ, γ>δ>β.

[0035] It should be noted that the feeding area is between the grinding surface a211 and the grinding surface d311, and its inlet and outlet are the trumpet-shaped feeding port 101, which can perform preliminary crushing of materials with larger particles; the grinding area is between the grinding surface b212 and the grinding surface e312, and the material is ground in this area; the discharging area is between the grinding surface c213 and the grinding surface f313, and the material leaves the crushing area through the discharging area.

[0036] It should be noted that the slope of the grinding zone is smaller than that of the feeding zone, so that the material can be fully ground in the grinding zone; the slope of the discharging zone is greater than that of the grinding zone, which is conducive to the smooth outflow of the material.

[0037] It is important to note that the grinding surface c213 and the grinding surface f313 are parallel, which ensures the grinding function of the equipment and enables the material to be discharged smoothly.

[0038] Furthermore, the grinding surface a211, the grinding surface b212 and the grinding surface c213 are provided with a plurality of groups of guide grooves 210 extending radially along the pulverizing area 10 and distributed in a circular array.

[0039] Furthermore, spiral grooves 310 are provided on the grinding surface a311, the grinding surface e312 and the grinding surface f313.

[0040] It should be noted that when the lower grinding disc 3 rotates, the spiral groove 310 and the material guide groove 210 can enable the material to be discharged smoothly, thereby improving the crushing efficiency.

[0041] Furthermore, a feed port 22 connected to the feed port 101 is provided in the middle of the upper grinding disc 2 .

[0042] Further, such as Figures 1 to 3As shown, the lower grinding disc 3 also includes a mounting base plate 30, a slewing support bearing 32 arranged on the mounting base plate 30 and used to mount the lower grinding disc 3, a reducer 33 installed below the mounting base plate 30, a motor 34 connected to the reducer 33, and a gear 35 installed on the output shaft of the reducer 33 and meshing with the slewing support bearing 32.

[0043] It should be noted that the brand of the slewing support bearing 32 is Luoyang Jiawei, and the model is 010 series; the motor 34 adopts a 110 series servo motor with a power of 1.2KW; and the model of the reducer 33 is AB-090-L1-22-95-115-M8.

[0044] It should be further explained that the gear 35 meshes with the slewing support bearing 32 to increase the reduction ratio and improve the rigidity.

[0045] Further, such as Figure 3 As shown, it also includes a cylinder 36 installed on the frame 1 and dynamically connected to the mounting base plate 30, and a plurality of groups of support shafts 37 arranged at the bottom of the mounting base plate 30 and slidingly passing through the frame 1, wherein the plurality of groups of support shafts 37 are distributed in a circular array.

[0046] It should be noted that the oil cylinder 36 can drive the lower grinding disc 3 to move closer to and away from the upper grinding disc 2, and the oil cylinder 36 adopts an adjustable stroke oil cylinder, which can control the distance between the lower grinding disc 3 and the upper grinding disc 2 to adjust the size of the crushing area, thereby obtaining crushed particles of different sizes.

[0047] Further, such as Figure 3 As shown, the discharging mechanism 4 includes a material guide plate 41 which is arranged axially along the lower grinding disc 3 and is arranged in a conical shape, a material receiving trough 42 which is arranged in an inclined annular shape and is connected to the material guide plate 41 for flow connection, and a discharging port 43 which is opened at the lowest point of the material receiving trough 42.

[0048] It should be noted that the crushed material enters the material receiving trough 42 through the material guide plate 41 , and due to the inclined setting of the material receiving trough 42 , the crushed material is discharged through the discharge port 43 .

[0049] Working process:

[0050] like Figure 4 As shown, the motor 34 drives the lower grinding disc 3 to rotate, and the material to be crushed is manually fed into the interior of the crushing area 10 through the feed port 22. The material to be crushed passes through the feed area, grinding area and discharge area in sequence, and finally enters the receiving trough 42 through the guide plate 41.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A crushing device for producing aerated concrete blocks, characterized in that: The invention comprises a frame (1), an upper grinding disc (2) mounted on the frame (1), a lower grinding disc (3) rotatably mounted below the upper grinding disc (2), and a discharging mechanism (4) arranged around the lower grinding disc (3); a crushing area (10) is formed between the upper grinding disc (2) and the lower grinding disc (3); the crushing area (10) comprises an upper grinding area (21) located below the upper grinding disc (2) and a lower grinding area (31) located above the lower grinding disc (3); the crushing area (10) is in the shape of a cone with a high inner side and a low outer side, and the cross-sectional shape of the material inlet (101) of the crushing area (10) is in the shape of a bell mouth.

2. A crushing device for producing aerated concrete blocks according to claim 1, characterized in that: The upper grinding area (21) includes a grinding surface a (211), a grinding surface b (212) and a grinding surface c (213) which are arranged radially from the inside to the outside of the crushing area (10), and the cross-sectional inclination angles of the grinding surface a (211), the grinding surface b (212) and the grinding surface c (213) are α, β and γ respectively, and α>β, γ>β.

3. A crushing device for producing aerated concrete blocks according to claim 2, characterized in that: The grinding surface a (211), the grinding surface b (212) and the grinding surface c (213) are each provided with a plurality of groups of guide grooves (210) extending radially along the pulverizing area (10) and distributed in a circumferential array.

4. A crushing device for producing aerated concrete blocks according to claim 2, characterized in that: The lower grinding area (31) includes a grinding surface d (311), a grinding surface e (312) and a grinding surface f (313) which are arranged in a one-to-one correspondence with the grinding surface a (211), the grinding surface b (212) and the grinding surface c (213); the grinding surface d (311) is arranged parallel to the grinding surface a (211); the grinding surface e (312) is arranged parallel to the grinding surface b (212); the cross-sectional inclination angle of the grinding surface d (311) is δ, then α>δ, γ>δ>β.

5. A crushing device for producing aerated concrete blocks according to claim 4, characterized in that: The grinding surface d (311), the grinding surface e (312) and the grinding surface f (313) are all provided with spiral grooves (310).

6. A crushing device for producing aerated concrete blocks according to claim 1, characterized in that: A feed inlet (22) communicating with the feed inlet (101) is provided in the middle of the upper grinding disc (2).

7. A crushing device for producing aerated concrete blocks according to claim 1, characterized in that: The lower grinding disc (3) further comprises a mounting base plate (30), a slewing support bearing (32) arranged on the mounting base plate (30) and used for mounting the lower grinding disc (3), a reducer (33) mounted below the mounting base plate (30), a motor (34) connected to the reducer (33) in power, and a gear (35) mounted on the output shaft of the reducer (33) and arranged to mesh with the slewing support bearing (32).

8. A crushing device for producing aerated concrete blocks according to claim 7, characterized in that: It also includes an oil cylinder (36) mounted on the frame (1) and dynamically connected to the mounting base plate (30), and a plurality of groups of support shafts (37) arranged at the bottom of the mounting base plate (30) and slidably passing through the frame (1), wherein the plurality of groups of support shafts (37) are distributed in a circular array.

9. A crushing device for producing aerated concrete blocks according to claim 1, characterized in that: The material discharging mechanism (4) comprises a material guide plate (41) arranged axially along the lower grinding disc (3) and arranged in a conical shape, a material receiving trough (42) arranged in an inclined annular shape and connected to the material guide plate (41) in a flow connection, and a material discharging port (43) opened at the lowest point of the material receiving trough (42).

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