A raw material screening device for producing autoclaved aerated blocks

Abstract

The utility model discloses a raw material screening device for autoclaved aerated block production, and relates to the technical field of autoclaved aerated block, specifically a raw material screening device for autoclaved aerated block production, comprising a box, a feed hopper, a coarse screen drum, a rotating structure, a support ring, a cleaning structure, a blocking structure, a vibration screening structure and a collecting structure; the top of the box is fixedly connected with a feed hopper, the bottom of the coarse screen drum is rotatably connected to the inner side of the support ring, the rotating structure is arranged on one side of the top of the box, the cleaning structure is arranged on the outer side of the coarse screen drum, the blocking structure is arranged below the coarse screen drum, the vibration screening structure is arranged below the blocking structure, and the collecting structure is arranged at the bottom of the box. The advantage of the utility model compared with the existing technology is that the utility model can not only have the effect of brushing and clearing the sieve holes of the coarse screen drum blocked by raw material screening, but also facilitate the discharge of raw materials after screening and avoid the blockage of fine screen.

Description

Technical Field

[0001] The utility model relates to the technical field of autoclaved aerated blocks, in particular to a raw material screening device for producing autoclaved aerated blocks. Background Art

[0002] Autoclaved aerated block is a new type of wall material with light weight and closed micropores, which is made of fly ash, lime, gypsum as main raw materials, and mixed with appropriate amount of gas generating agent, and is made by pouring, cutting, high temperature and autoclaving. It has the characteristics of light bulk density, heat preservation, heat insulation, waterproof, sound absorption, good seismic performance, and convenient on-site construction. When mixing the ingredients, the impurities in the raw materials of the autoclaved aerated block need to be screened.

[0003] The patent number CN220258638U in the prior art discloses a screening device for the production of autoclaved aerated blocks, including a screening box, a feeding port is provided on the top of the screening box, a plurality of feeding holes are evenly opened on the support ring, a feeding through pipe coaxially arranged with the impurity discharge pipe is fixedly provided at the bottom of the support ring, a fine screen is fixedly provided on the feeding through pipe, the fine screen divides the cavity below the support ring into a first fine material area and a second fine material area, a plugging component for plugging the impurity discharge pipe is provided in the feeding through pipe, firstly, the raw materials for producing autoclaved aerated blocks are poured into the coarse screen cylinder, and then the coarse screen cylinder is driven to rotate by the motor assembly, smaller raw material particles are discharged from the screen holes and enter the first fine material area from the feeding through holes, while larger raw material particles are retained in the coarse screen cylinder, the plugging component is pulled out downward, the impurity discharge pipe is opened, so that larger raw material particles fall from the impurity discharge pipe into the feeding through pipe, and are discharged from the screening box from the feeding through pipe.

[0004] Although the above device solves certain problems, it still has the following disadvantages:

[0005] (1) When the coarse screen drum screens the autoclaved aerated block raw material, some autoclaved aerated block raw material particles of the same size as the screen holes are easy to block the screen holes, and the blocked coarse screen drum cannot be automatically cleared, thereby reducing the efficiency of the coarse screen drum in screening the autoclaved aerated block raw material.

[0006] (2) The fine screen of the prior art device is fixedly arranged on the material discharge pipe, which is not convenient for discharging the raw materials after screening and is easy to clog the fine screen, thereby reducing the practicality of the device. Utility Model Content

[0007] The utility model aims to provide a raw material screening device for producing autoclaved aerated blocks.

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] A raw material screening device for producing autoclaved aerated blocks, comprising:

[0010] A box body, a feed hopper is fixedly connected to the top of the box body, and a cover plate is hinged on the top of the feed hopper;

[0011] A coarse screen cylinder, the coarse screen cylinder is arranged on the top of the inner wall of the box;

[0012] A rotating structure, wherein the rotating structure is arranged on one side of the top of the box body;

[0013] A support ring, wherein the outer side of the support ring is an inclined structure, and two sides of the support ring are fixedly connected with a connecting rod 1, and the connecting rod 1 is fixedly connected to the two sides of the inner wall of the box body, and the bottom of the coarse screen drum is rotatably connected to the inner side of the support ring;

[0014] A cleaning structure, the cleaning structure is arranged on the outside of the coarse screen cylinder, the cleaning structure includes slide grooves opened at the front and rear ends of the top of the inner wall of the box body, a mounting ring is arranged on the outside of the coarse screen cylinder, the front and rear ends of the mounting ring are fixedly connected with a push plate, the push plate is slidably connected in the slide groove, the front and rear ends of the top of the box body are fixedly installed with an electric telescopic rod, the output end of the electric telescopic rod passes through the top of the box body and the end is fixedly connected to the top of the push plate, the inner side wall of the mounting ring is detachably connected with an annular brush, and the inner side wall of the annular brush is tightly fitted with the outer side wall of the coarse screen cylinder;

[0015] A plugging structure, wherein the plugging structure is arranged below the coarse screen cylinder;

[0016] A vibration screening structure, the vibration screening structure is arranged below the blocking structure, the vibration screening structure comprises a rectangular opening opened on one side of the bottom of the box body, a fine screen plate is rotatably connected to the bottom of the inner wall of the rectangular opening, the fine screen plate is rotatably connected to the bottom of the side away from the rectangular opening, a plurality of cams are fixedly connected to the rotating shaft, one end of the rotating shaft extends out of the box body and the end is fixedly connected to the second motor;

[0017] The collecting structure is arranged at the bottom of the box.

[0018] Furthermore, the coarse screen cylinder comprises:

[0019] A debris discharge pipe, the debris discharge pipe is fixedly connected to the bottom of the coarse screen cylinder;

[0020] Sieve holes, a plurality of the sieve holes are provided on the inner wall of the coarse screen cylinder;

[0021] An inclined guide block is fixedly arranged at the bottom of the coarse screen cylinder.

[0022] Furthermore, the rotating structure comprises:

[0023] Motor 1, wherein the motor 1 is fixedly mounted on one side of the top of the box;

[0024] A gear, the gear being fixedly connected to an output end of the motor 1;

[0025] A gear ring is fixedly connected to the outer side of the top of the coarse screen cylinder, and the gear ring is meshedly connected to the gear.

[0026] Furthermore, the blocking structure comprises:

[0027] A fixed plate, the fixed plate being arranged below the coarse screen cylinder;

[0028] A second connecting rod, one end of which is fixedly connected to two sides of the fixing plate, and the other end of which is fixedly connected to two sides of the inner wall of the box;

[0029] An electric cylinder, wherein the electric cylinder is fixedly connected to the top of the fixing plate;

[0030] The blocking block is fixedly connected to the output end of the electric cylinder, the blocking block is rotatably connected to the inner wall of the impurity discharge pipe, and the top of the blocking block is arranged as an arc surface.

[0031] Furthermore, the collection structure comprises:

[0032] A discharge pipe, the discharge pipe is fixedly connected to one side of the rectangular opening;

[0033] A groove, the groove being formed at the bottom of the inner wall of the box;

[0034] A collection box, the collection box being slidably connected in the groove;

[0035] A handle is fixedly connected to the front end surface of the collection box.

[0036] The utility model provides a raw material screening device for producing autoclaved aerated blocks, which has the following beneficial effects:

[0037] (1) By setting the cleaning structure, when the screen hole is blocked during screening, the electric telescopic rod is turned on, and the output end of the electric telescopic rod drives the push plate to slide up and down in the slide groove, thereby driving the connected mounting ring to slide up and down on the outside of the rotating coarse screen cylinder. During sliding, the annular brush on the inner wall of the mounting ring brushes and clears the blocked screen hole, thereby achieving the effect of brushing and clearing the blocked screen hole caused by the screening of the autoclaved aerated block raw material, thereby improving the efficiency of the coarse screen cylinder in screening the autoclaved aerated block raw material;

[0038] (2) Through the setting of the vibration screening structure and the collection structure, the coarsely filtered autoclaved aerated block raw materials fall onto the fine screen plate, and the second motor is started to drive the cam to rotate so that the fine screen plate fluctuates up and down, thereby performing a secondary fine screening of the autoclaved aerated block production raw materials. The raw material particles that meet the particle size smoothly pass through the mesh of the fine screen plate and fall into the collection box at the bottom. The raw material particles that do not meet the particle size are gradually discharged from the discharge pipe under the action of the fine screen plate that is inclined up and down. At the same time, the mesh of the fine screen plate can be continuously vibrated and cleaned during the rotation of the cam, thereby maintaining the screening effect and efficiency of the fine screen plate on the autoclaved aerated block raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 The utility model is a three-dimensional raw material screening device for autoclaved aerated block production Figure 1 .

[0040] Figure 2 The utility model is a three-dimensional raw material screening device for autoclaved aerated block production Figure 2 .

[0041] Figure 3 It is a front sectional view of a raw material screening device for producing autoclaved aerated blocks according to the utility model.

[0042] Figure 4 The utility model is a side sectional view of a raw material screening device for producing autoclaved aerated blocks.

[0043] Figure 5 It is a structural schematic diagram of the front sectional view A of a raw material screening device for producing autoclaved aerated blocks according to the utility model.

[0044] Markings in the figure: 1. Box body; 2. Feed hopper; 21. Cover plate; 3. Coarse screen cylinder; 31. Drain pipe; 32. Sieve hole; 33. Inclined guide block; 4. Rotating structure; 41. Motor 1; 42. Gear; 43. Gear ring; 5. Support ring; 51. Connecting rod 1; 6. Cleaning structure; 61. Slide; 62. Mounting ring; 63. Push plate; 64. Electric telescopic rod; 65. Annular brush; 7. Sealing structure; 71. Fixed plate; 72. Connecting rod 2; 73. Electric cylinder; 74. Block; 8. Vibrating screening structure; 81. Rectangular opening; 82. Fine screen plate; 83. Rotating shaft; 84. Cam; 85. Motor 2; 9. Collecting structure; 91. Discharge pipe; 92. Groove; 93. Collecting box; 94. Handle. DETAILED DESCRIPTION

[0045] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

[0046] 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. 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.

[0047] like Figures 1 to 5 As shown, this embodiment proposes a raw material screening device for autoclaved aerated block production, including a box body 1, a feed hopper 2 is fixedly connected to the top of the box body 1, a cover plate 21 is hinged on the top of the feed hopper 2, and the cover plate 21 seals the feed hopper 2 to prevent dust from flying during the screening process.

[0048] A coarse screen cylinder 3 is provided at the top of the inner wall of the box body 1, a discharge pipe 31 is fixedly connected to the bottom of the coarse screen cylinder 3, a plurality of screen holes 32 are opened on the inner wall of the coarse screen cylinder 3, and an inclined guide block 33 is fixedly provided at the bottom of the coarse screen cylinder 3. The setting of the inclined guide block 33 can avoid large particles of raw materials remaining during slag discharge.

[0049] A rotating structure 4 is provided on one side of the top of the box body 1, and the rotating structure 4 includes a motor 41 fixedly installed on one side of the top of the box body 1, and the output end of the motor 41 is fixedly connected to a gear 42, and a ring gear 43 is fixedly connected to the outer side of the top of the coarse screen cylinder 3, and the ring gear 43 is meshingly connected to the gear 42. When the motor 41 is turned on, the motor 41 drives the gear 42 to rotate, and then drives the meshing ring gear 43 to rotate, thereby driving the coarse screen cylinder 3 to rotate. During the rotation process, the particles of the autoclaved aerated block raw materials in the coarse screen cylinder 3 that meet the particle size are screened through multiple sieve holes 32 and fall into the interior of the box body 1, and the autoclaved aerated block raw materials that do not meet the particle size remain in the interior of the coarse screen cylinder 3.

[0050] The outer side of the support ring 5 is an inclined structure, and connecting rods 51 are fixedly connected on both sides of the support ring 5. The connecting rods 51 are fixedly connected to both sides of the inner wall of the box body 1. The bottom of the coarse screen cylinder 3 is rotatably connected to the inner side of the support ring 5. The outer surface of the support ring 5 is an inclined surface to facilitate the screened raw material particles to fall into the bottom of the box body 1.

[0051] A cleaning structure 6 is provided on the outside of the coarse screen cylinder 3, and the cleaning structure 6 includes a slide groove 61 opened at the front and rear ends of the top of the inner wall of the box body 1. A mounting ring 62 is provided on the outside of the coarse screen cylinder 3. The front and rear ends of the mounting ring 62 are fixedly connected to a push plate 63. The push plate 63 is slidably connected in the slide groove 61. The front and rear ends of the top of the box body 1 are fixedly installed with an electric telescopic rod 64. The output end of the electric telescopic rod 64 passes through the top of the box body 1 and the end is fixedly connected to the top of the push plate 63. The inner wall of the mounting ring 62 is detachably connected with an annular brush 65 The inner wall of the annular brush 65 fits tightly with the outer wall of the coarse screen cylinder 3. When the screen hole 32 is blocked, the electric telescopic rod 64 is turned on, and the output end of the electric telescopic rod 64 drives the push plate 63 to slide up and down in the slide groove 61, thereby driving the connected mounting ring 62 to slide up and down on the outer side of the rotating coarse screen cylinder 3. When sliding, the annular brush 65 on the inner wall of the mounting ring 62 brushes and clears the blocked screen hole 32, thereby achieving the effect of brushing and clearing the blocked screen hole 32 caused by the screening of the autoclaved aerated block raw material.

[0052] A blocking structure 7 is provided below the coarse screen drum 3, and the blocking structure 7 includes a fixed plate 71 arranged below the coarse screen drum 3, and connecting rods 72 are fixedly connected to both sides of the fixing plate 71, and the other ends of the connecting rods 72 are fixedly connected to both sides of the inner wall of the box body 1, and an electric cylinder 73 is fixedly connected to the top of the fixing plate 71, and a blocking block 74 is fixedly connected to the output end of the electric cylinder 73, and the blocking block 74 is rotatably connected to the inner wall of the impurity discharge pipe 31, and the top of the blocking block 74 is an arc-shaped surface. When the screening is completed, the electric cylinder 73 is started to drive the blocking block 74 to separate from the impurity discharge pipe 31, so that large particles of raw materials that do not meet the particle size on the inner wall of the coarse screen drum 3 can be discharged.

[0053] A vibration screening structure 8 is provided below the blocking structure 7, and the vibration screening structure 8 includes a rectangular opening 81 opened on one side of the bottom of the box body 1, and a fine screen plate 82 is rotatably connected to the bottom of the inner wall of the rectangular opening 81, and the bottom of the fine screen plate 82 away from the rectangular opening 81 is rotatably connected to a rotating shaft 83, and a plurality of cams 84 are fixedly connected to the rotating shaft 83. One end of the rotating shaft 83 extends out of the box body 1 and a motor 2 85 is fixedly connected to the end thereof. The raw materials of the autoclaved aerated block produced after coarse filtration fall onto the fine screen plate 82, and the motor 2 85 is started to drive the cam 84 to rotate so that the fine screen plate 82 fluctuates up and down, so that the fine screen plate 82 performs secondary fine screening on the production raw materials of the autoclaved aerated block, and at the same time, the mesh of the fine screen plate 82 can be continuously vibrated and cleaned during the rotation of the cam 84, thereby maintaining the screening effect and efficiency of the fine screen plate 82 on the autoclaved aerated block raw materials.

[0054] A collecting structure 9 is provided at the bottom of the box body 1, and the collecting structure 9 includes a discharge pipe 91 fixedly connected to one side of the rectangular opening 81. A groove 92 is provided at the bottom of the inner wall of the box body 1, and a collecting box 93 is slidably connected in the groove 92. A handle 94 is fixedly connected to the front end surface of the collecting box 93. Raw material particles that meet the particle size will smoothly pass through the mesh of the fine screen plate 82 and fall into the collecting box 93 at the bottom. Raw material particles that do not meet the particle size will gradually be discharged from the discharge pipe 91 under the action of the fine screen plate 82 that is inclined up and down.

[0055] During the specific implementation of the utility model, when in use, the autoclaved aerated block raw material to be screened is first added into the coarse screen drum 3 through the feed hopper 2, and then the cover plate 21 is put on to seal the feed hopper 2 to prevent dust from flying during the screening process, and then the motor 41 is started, and the motor 41 drives the gear 42 to rotate, and then drives the meshing gear ring 43 to rotate, thereby driving the coarse screen drum 3 to rotate, and the raw material particles that meet the particle size are screened through multiple sieve holes 32 and fall into the interior of the box body 1, and the autoclaved aerated block raw material that does not meet the particle size is retained in the interior of the coarse screen drum 3.

[0056] Then turn on the electric telescopic rod 64, and the output end of the electric telescopic rod 64 drives the push plate 63 to slide up and down in the slide groove 61, thereby driving the connected mounting ring 62 to slide up and down on the outside of the rotating coarse screen cylinder 3. When the screen hole 32 is blocked, the annular brush 65 on the inner wall of the mounting ring 62 brushes and clears the blocked screen hole 32, thereby ensuring the efficiency of the coarse screen cylinder 3 in screening the autoclaved aerated block raw materials.

[0057] After that, the raw materials for the production of autoclaved aerated blocks that have been coarsely filtered fall onto the fine screen plate 82, and the motor 85 is started to drive the cam 84 to rotate so that the fine screen plate 82 fluctuates up and down, thereby allowing the fine screen plate 82 to perform secondary fine screening on the production materials of the autoclaved aerated blocks. Raw material particles that meet the particle size size pass smoothly through the mesh of the fine screen plate 82 and fall into the collection box 93 at the bottom. Raw material particles that do not meet the particle size size are gradually discharged from the discharge pipe 91 under the action of the fine screen plate 82 that is tilted up and down. At the same time, the mesh of the fine screen plate 82 can be continuously vibrated and cleaned during the rotation of the cam 84, thereby maintaining the screening effect and efficiency of the fine screen plate 82 on the autoclaved aerated block raw materials.

[0058] After the screening is completed, the electric cylinder 73 is started to drive the block 74 to separate from the impurity discharge pipe 31, so that the large particles of raw materials that do not meet the particle size on the inner wall of the coarse screen cylinder 3 fall onto the surface of the fine screen plate 82, and are gradually discharged from the discharge pipe 91 under the action of the fine screen plate 82 which is inclined up and down.

[0059] The electrical components appearing in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that controls a computer, etc. The specific implementation method of the present disclosure omits the detailed description of known functions and known components. To ensure the compatibility of the equipment, the operating methods used are consistent with the parameters of marketed equipment.

[0060] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A raw material screening device for producing autoclaved aerated blocks, characterized by: include: A box body (1), the top of the box body (1) is fixedly connected to a feed hopper (2), and the top of the feed hopper (2) is hinged to a cover plate (21); A coarse screen cylinder (3), wherein the coarse screen cylinder (3) is arranged on the top of the inner wall of the box body (1); A rotating structure (4), wherein the rotating structure (4) is arranged on one side of the top of the box body (1); A support ring (5), wherein the outer side of the support ring (5) is in an inclined structure, and connecting rods (51) are fixedly connected to both sides of the support ring (5), and the connecting rods (51) are fixedly connected to both sides of the inner wall of the box body (1), and the bottom of the coarse screen drum (3) is rotatably connected to the inner side of the support ring (5); A cleaning structure (6), the cleaning structure (6) being arranged on the outside of the coarse screen cylinder (3), the cleaning structure (6) comprising slide grooves (61) opened at the front and rear ends of the top of the inner wall of the box body (1), a mounting ring (62) being arranged on the outside of the coarse screen cylinder (3), the front and rear ends of the mounting ring (62) being fixedly connected to a push plate (63), the push plate (63) being slidably connected in the slide groove (61), the front and rear ends of the top of the box body (1) being fixedly installed with an electric telescopic rod (64), the output end of the electric telescopic rod (64) passing through the top of the box body (1) and the end being fixedly connected to the top of the push plate (63), the inner side wall of the mounting ring (62) being detachably connected to an annular brush (65), the inner side wall of the annular brush (65) being tightly fitted with the outer side wall of the coarse screen cylinder (3); A blocking structure (7), wherein the blocking structure (7) is arranged below the coarse screen cylinder (3); A vibration screening structure (8), the vibration screening structure (8) being arranged below the blocking structure (7), the vibration screening structure (8) comprising a rectangular opening (81) opened at one side of the bottom of the box body (1), a fine screen plate (82) being rotatably connected to the bottom of the inner wall of the rectangular opening (81), a rotating shaft (83) being rotatably connected to the bottom of the fine screen plate (82) away from the rectangular opening (81), a plurality of cams (84) being fixedly connected to the rotating shaft (83), one end of the rotating shaft (83) extending out of the box body (1) and a second motor (85) being fixedly connected to the end thereof; A collecting structure (9), wherein the collecting structure (9) is arranged at the bottom of the box body (1).

2. The raw material screening device for producing autoclaved aerated blocks according to claim 1, characterized in that: The coarse screen cylinder (3) comprises: A debris discharge pipe (31), wherein the debris discharge pipe (31) is fixedly connected to the bottom of the coarse screen cylinder (3); Screen holes (32), a plurality of the screen holes (32) are provided on the inner wall of the coarse screen cylinder (3); An inclined guide block (33) is fixedly arranged at the bottom of the coarse screen cylinder (3).

3. The raw material screening device for producing autoclaved aerated blocks according to claim 1, characterized in that: The rotating structure (4) comprises: Motor 1 (41), wherein the motor 1 (41) is fixedly mounted on one side of the top of the box body (1); A gear (42), wherein the gear (42) is fixedly connected to an output end of the motor 1 (41); A gear ring (43) is fixedly connected to the outer side of the top of the coarse screen cylinder (3), and the gear ring (43) is meshingly connected to the gear (42).

4. The raw material screening device for producing autoclaved aerated blocks according to claim 2, characterized in that: The blocking structure (7) comprises: A fixed plate (71), wherein the fixed plate (71) is arranged below the coarse screen cylinder (3); A second connecting rod (72), one end of which is fixedly connected to two sides of the fixing plate (71), and the other end of which is fixedly connected to two sides of the inner wall of the box body (1); An electric cylinder (73), wherein the electric cylinder (73) is fixedly connected to the top of the fixing plate (71); A blocking block (74) is fixedly connected to the output end of the electric cylinder (73), the blocking block (74) is rotatably connected to the inner wall of the impurity discharge pipe (31), and the top of the blocking block (74) is arranged as an arc surface.

5. The raw material screening device for producing autoclaved aerated blocks according to claim 1, characterized in that: The collecting structure (9) comprises: A discharge pipe (91), wherein the discharge pipe (91) is fixedly connected to one side of the rectangular opening (81); A groove (92), wherein the groove (92) is formed at the bottom of the inner wall of the box body (1); A collection box (93), wherein the collection box (93) is slidably connected in the groove (92); A handle (94), wherein the handle (94) is fixedly connected to the front end surface of the collection box (93).

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