CN223847442U

CN223847442U - Raw material screening equipment for lightweight aggregate concrete brickwork production

Info

Publication number: CN223847442U
Application number: CN202423012368.8U
Authority: CN
Inventors: 马安祥; 张朝勇; 马安军; 张靖
Original assignee: Jiayuguan Wantai Building Material Co ltd
Current assignee: Jiayuguan Wantai Building Material Co ltd
Priority date: 2024-12-06
Filing date: 2024-12-06
Publication date: 2026-01-30
Anticipated expiration: 2034-12-06

Abstract

The utility model discloses raw material screening equipment for lightweight aggregate concrete brickwork production, which relates to the technical field of building equipment and comprises a screening box and inner cavities arranged on the upper side and the lower side of the screening box, wherein a feeding hopper is arranged on the top wall of the feeding hopper, an eccentric cam is arranged in the bottom inner cavity of the feeding hopper, a rotating rod is fixedly connected with one side wall of the eccentric cam, a rod body of the rotating rod penetrates through the wall body of the feeding hopper and the wall body of the screening box, a discharging box is arranged in the bottom inner cavity of the screening box, a spiral blade is arranged in the inner cavity of the discharging box, and a screening component is arranged in the upper inner cavity of the screening box. The utility model enables the rotating rod to drive the eccentric cam to rotate at the bottom outlet of the feeding hopper, thereby avoiding the condition of blockage when the production raw materials are fed, and the discharging box is arranged in the bottom inner cavity of the screening box, so that uniform discharging can be realized under the conveying of the spiral blades, and further, the condition of blockage of the screened production raw materials in the discharging process is avoided.

Description

Raw material screening equipment for lightweight aggregate concrete brickwork production

Technical Field

The utility model relates to the technical field of building equipment, in particular to raw material screening equipment for lightweight aggregate concrete brickwork production.

Background

When the concrete is prepared, the fineness of particles of the concrete raw materials can influence the quality of concrete preparation, and at the moment, before the preparation, the concrete particle raw materials are usually subjected to screening operation.

Chinese patent with publication number CN222000705U discloses a concrete raw material screening plant, which comprises a supporting rack, the cross-section of support frame is the U-shaped, the support frame is downward sloping form setting, first mesh board has been set gradually from last down on the bottom plate body of support frame, second mesh board and third mesh board, the aperture of through-hole increases in proper order in first mesh board, second mesh board and the third mesh board, fixed mounting has the roof on the top surface of support frame, fixed mounting has vibrating motor on the roof, fixed mounting has four supporting sleeves that are matrix arrangement on the bottom surface of support frame, be provided with the holding chamber in the supporting sleeve, peg graft the cooperation in the holding chamber and have the supporting leg, fixed mounting has the spring between the top surface of supporting leg and the roof that holds the chamber, the bottom fixed mounting of supporting leg has the fixing base, the tip of support frame is provided with the feeder hopper. The utility model is convenient for screening and discharging, saves labor and is convenient for use.

However, the above patent still has certain inconvenience in the actual use process, because the interior of the feed hopper, the feed pipe, the discharge box and the discharge hopper is provided with any structural component which is favorable for smooth discharging, more raw materials are often put into in the actual production process, and the condition that the structural component which is not favorable for smooth discharging is easy to cause blockage in the feeding or discharging process is not provided, thereby influencing the production speed of the raw materials.

Disclosure of utility model

The utility model aims to provide raw material screening equipment for lightweight aggregate concrete brickwork production, which aims to solve the problems in the background technology.

The utility model provides raw material screening equipment for lightweight aggregate concrete brickwork production, which comprises a screening box and inner cavities arranged on the upper side and the lower side of the screening box, wherein a feeding hopper is arranged on the top wall of the screening box, an eccentric cam is arranged in the bottom inner cavity of the feeding hopper, a rotating rod is fixedly connected with one side wall of the eccentric cam, a rod body of the rotating rod penetrates through the wall body of the feeding hopper and the wall body of the screening box through a bearing, a discharging box is arranged in the bottom inner cavity of the screening box, spiral blades are arranged in the inner cavity of the discharging box, and a screening assembly is arranged in the upper inner cavity of the screening box.

Preferably, the screening subassembly is including locating the screening box in the screening case upside inner chamber, and the equal fixed mounting of both sides diapire of screening box has the slider, the bottom of screening box is provided with the rectangle frame, and the U-shaped groove has all been seted up to the both sides roof of rectangle frame, just slider sliding connection is in the cell chamber in U-shaped groove.

Preferably, the screening assembly further comprises a cross rod arranged on two sides of the bottom of the rectangular frame, two side walls of the cross rod are respectively fixed on two side walls of an inner cavity of the screening box, the surface of a middle rod body of the cross rod is provided with a groove, a guide rod is horizontally fixed in a groove cavity of the groove on the rear side, a movable block is movably sleeved on the surface of the rod body of the guide rod, a threaded rod is rotationally connected in the groove cavity of the groove on the front side, a reciprocating thread is arranged on the surface of the middle rod body of the threaded rod, two end rod bodies of the threaded rod respectively penetrate through two side walls of the screening box, a moving block is screwed on the surface of the reciprocating thread of the threaded rod, and a connecting column is fixedly arranged between the bottom wall of the rectangular frame and the top wall of the moving block.

Preferably, the body end of the rotating rod and one end of the threaded rod are both fixed with first belt pulleys, a first belt is sleeved between every two adjacent first belt pulleys, a motor is fixed on one side wall of the screening box, the output end of the motor is connected with the body end of the threaded rod, the other end of the threaded rod and the end of the threaded rod of the helical blade are both fixedly provided with second belt pulleys, and a second belt is sleeved between every two adjacent second belt pulleys.

Preferably, the bottom wall of the inner cavity at the upper side of the screening box is provided with a conical blanking cavity, the bottom end outlet of the conical blanking cavity is communicated with the left top wall of the discharging box, and the right bottom wall of the discharging box is communicated with a discharging cylinder.

Preferably, the guide plates are fixedly arranged on two side walls of the inner cavity on the upper side of the screening box.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, through the transmission of the first belt pulley, the second belt pulley and the second belt, the rotating rod drives the eccentric cam to rotate at the bottom outlet of the feeding hopper, so that the situation of blockage during feeding of production raw materials is avoided, and through the arrangement of the discharging box in the bottom inner cavity of the screening box, uniform discharging can be realized under the conveying of the spiral blades in the screening box, and the situation of blockage during discharging of screened production raw materials is avoided.

Drawings

FIG. 1 is a schematic view of a first view cross-section of a raw material screening device for lightweight aggregate concrete brickwork production according to the present utility model;

FIG. 2 is a schematic diagram of a second view cross-sectional structure of a raw material screening device for lightweight aggregate concrete brickwork production according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

Fig. 4 is a schematic diagram of a third view angle structure of a raw material screening device for lightweight aggregate concrete brickwork production according to the present utility model.

The device comprises a screening box 1, a feeding hopper 2, a rotating rod 3, a first belt 4, a second belt 5, a first belt pulley 6, a motor 7, a guide plate 8, a screening box 9, a cross rod 10, a conical blanking cavity 11, a discharging box 12, a spiral blade 13, a discharging cylinder 14, a second belt pulley 15, a second belt 16, a groove 17, a threaded rod 18, a moving block 19, a connecting column 20, a rectangular frame 21, a U-shaped groove 22, a sliding block 23, a guide rod 24, a movable block 25 and an eccentric cam.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2, 3 and 4, the utility model provides a technical scheme that a raw material screening device for lightweight aggregate concrete brickwork production comprises a screening box 1 and inner cavities arranged on the upper side and the lower side of the screening box 1, a feeding hopper 2 is arranged on the top wall of the screening box 1, an eccentric cam 25 is arranged in the bottom inner cavity of the feeding hopper 2, a rotating rod 3 is welded on the right side wall of the eccentric cam 25, a rod body of the rotating rod 3 penetrates through the right side wall body of the feeding hopper 2 and the right side wall body of the screening box 1 through a bearing, and the purpose is to drive the eccentric cam 25 to rotate by utilizing the rotation of the rotating rod 3, so that the feeding hopper 2 is prevented from being blocked in the blanking process, and the continuously rotating eccentric cam 25 can avoid raw material accumulation. The discharging box 11 is installed in the bottom inner chamber of screening case 1, and the left end shaft bar of helical blade 12 runs through the left side wall of discharging box 11 and the left side wall of screening case 1 through the bearing, and its right-hand member shaft bar is installed at the inner chamber right side wall of discharging box 11 through the bearing, is provided with the screening subassembly in the upside inner chamber of screening case 1 and is used for screening the filtration to the raw materials of production.

The screening subassembly is including locating the screening box 8 in the screening case 1 upside inner chamber, and the slider 22 has all been welded to the left and right sides diapire of screening box 8, and rectangular frame 20 sets up in the bottom of screening box 8, and U-shaped groove 21 has all been seted up to rectangular frame 20's left and right sides roof, and slider 22 sliding connection is in the cell chamber of U-shaped groove 21, and its purpose is in order to be convenient for take out screening box 8, and then clear up the impurity after the screening of filter screen surface wherein. The screening assembly further comprises a cross rod 9 arranged on the front side and the rear side of the bottom of the rectangular frame 20, the left side wall and the right side wall of the cross rod 9 are respectively welded on the left side wall and the right side wall of the inner cavity of the screening box 1, the surface of the middle rod body of the cross rod 9 is provided with a groove 16, a guide rod 23 is horizontally welded in the groove cavity of the groove 16 positioned on the rear side, namely, the left rod body and the right rod body of the guide rod 23 are respectively welded on the left side wall and the right side wall of the groove cavity of the groove 16 on the rear side. The movable block 24 is movably sleeved on the rod body surface of the guide rod 23, the middle rod body of the threaded rod 17 is positioned in the groove cavity of the groove 16 at the front side, the left rod body of the threaded rod 17 sequentially penetrates through the cross rod 9 and the left side wall of the screening box 1 through the bearing, the right rod body of the threaded rod sequentially penetrates through the cross rod 9 and the right side wall of the screening box 1 through the bearing, the reciprocating thread is formed on the middle rod body surface of the threaded rod 17, and the moving block 18 is screwed on the reciprocating thread surface of the threaded rod 17, so that the moving block 18 can move left and right along the reciprocating thread. Connecting columns 19 are welded between the bottom wall of the rectangular frame 20 and the top walls of the guide rods 23 and the moving blocks 18, and the purpose of the connecting columns is to enable the moving blocks 18 to drive the screening boxes 8 to move left and right together in the moving process, so that raw materials in the screening boxes 8 are screened. The first belt pulley 5 is welded at the right end of the rod body of the rotating rod 3 and the right end of the rod body of the threaded rod 17, and a first belt 4 is sleeved between the adjacent first belt pulleys 5, so that the threaded rod 17 drives the rotating rod 3 to rotate together while rotating. The left side wall of screening case 1 is fixed with motor 6 through the bolt, and the output of motor 6 is connected through the shaft coupling with the body of rod left end of threaded rod 17, and the left end body of rod of threaded rod 17 and helical blade 12's axostylus axostyle left end all weld second belt pulley 14, and the cover is equipped with second belt 15 between the adjacent second belt pulley 14, and its purpose is in order to make threaded rod 17 drive helical blade 12 and rotate together simultaneously in rotatory in-process. The conical blanking cavity 10 is formed in the bottom wall of the inner cavity on the upper side of the screening box 1, and the bottom end outlet of the conical blanking cavity 10 is communicated with the left top wall of the discharging box 11, so that screened raw materials can directly enter the discharging box 11 to be discharged smoothly. The right bottom wall of the discharging box 11 is communicated with a discharging cylinder 13 for discharging. The left and right side walls of the upper side inner cavity of the screening box 1 are welded with guide plates 7, so that raw materials entering through the feeding hopper 2 can smoothly fall into the screening box 8.

The threaded rod 17 is driven to rotate by the starting motor 6, the moving block 18 and the moving block 24 drive the rectangular frame 20 to move left and right under the action of the reciprocating threads and the guide rod 23, the screening box 8 is further enabled to move left and right in a reciprocating manner, the production raw materials are added into the screening box 1 through the feeding hopper 2, the rotating rod 3 is driven to rotate under the action of the first belt pulley 5 and the first belt 4 in the rotating process of the threaded rod 17, the eccentric cam 25 is driven to rotate by the rotating rod 3, the eccentric cam 25 which continuously rotates can avoid raw materials to be accumulated, the situation that the raw materials are blocked in the feeding process is avoided, smooth feeding is facilitated, the raw materials entering the screening box 8 enter the discharging box 11 through the conical discharging cavity 10 after screening, the threaded rod 17 is driven to rotate through the spiral blade 12 under the action of the second belt pulley 14 and the second belt 15, and the screened production raw materials entering the discharging box 11 are further prevented from being blocked in the discharging process smoothly through the spiral blade 12.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a light aggregate concrete brickwork production raw materials screening equipment, includes screening case (1) and sets up in the inner chamber of screening case (1) upper and lower both sides, wherein, feeding hopper (2) have been installed to the roof of screening case (1), and eccentric cam (25) have been installed to the bottom inner chamber of feeding hopper (2), and a lateral wall fixedly connected with bull stick (3) of eccentric cam (25), the body of rod of bull stick (3) runs through the bearing the wall of feeding hopper (2) and the wall of screening case (1), be equipped with discharging case (11) in the bottom inner chamber of screening case (1), helical blade (12) are installed in the inner chamber of discharging case (11), be provided with screening subassembly in the upside inner chamber of screening case (1).

2. The raw material screening device for lightweight aggregate concrete brickwork production according to claim 1, wherein the screening assembly comprises a screening box (8) arranged in an inner cavity at the upper side of the screening box (1), sliding blocks (22) are fixedly arranged on bottom walls at two sides of the screening box (8), a rectangular frame (20) is arranged at the bottom of the screening box (8), U-shaped grooves (21) are formed in top walls at two sides of the rectangular frame (20), and the sliding blocks (22) are slidably connected in groove cavities of the U-shaped grooves (21).

3. The light aggregate concrete brickwork production raw materials screening equipment of claim 2, wherein the screening assembly is characterized in that the screening assembly is further provided with a cross rod (9) arranged at two sides of the bottom of the rectangular frame (20), two side walls of the cross rod (9) are respectively fixed at two side walls of an inner cavity of the screening box (1), a groove (16) is formed in the surface of the middle rod body of the cross rod (9), a guide rod (23) is horizontally fixed in the groove cavity of the groove (16) at the rear side, a movable block (24) is movably sleeved on the surface of the rod body of the guide rod (23), a threaded rod (17) is rotatably connected in the groove cavity of the groove (16) at the front side, reciprocating threads are formed in the surface of the middle rod body of the threaded rod (17), two end rod bodies of the threaded rod (17) respectively penetrate through two side walls of the screening box (1), a movable block (18) is screwed on the reciprocating thread surface of the threaded rod (17), and a connecting column (19) is fixedly arranged between the bottom wall of the rectangular frame (20) and the top wall of the guide rod (23) and the movable block (18).

4. The light aggregate concrete brickwork production raw materials screening equipment of claim 3, wherein the body of rod tip of bull stick (3) and the body of rod tip of threaded rod (17) all are fixed with first belt pulley (5), overlap between adjacent first belt pulley (5) and be equipped with first belt (4), a lateral wall of screening case (1) is fixed with motor (6), the output of motor (6) with the body of rod tip of threaded rod (17) is connected, the other end body of rod of threaded rod (17) and the axostylus axostyle tip of helical blade (12) all fixed mounting have second belt pulley (14), overlap between adjacent second belt pulley (14) and be equipped with second belt (15).

5. The light aggregate concrete brickwork production raw material screening equipment according to claim 4, wherein the bottom wall of the upper side inner cavity of the screening box (1) is provided with a conical blanking cavity (10), the bottom outlet of the conical blanking cavity (10) is communicated with the left side top wall of the discharging box (11), and the right side bottom wall of the discharging box (11) is communicated with a discharging cylinder (13).

6. The raw material screening device for lightweight aggregate concrete brickwork production according to claim 1, wherein the two side walls of the upper inner cavity of the screening box (1) are fixedly provided with guide plates (7).