Efficient dust-free lifting device for concrete raw materials

Abstract

The utility model relates to an efficient dust-free lifting device for concrete raw materials, which comprises a bottom plate, a plurality of supporting plates mounted at the top of the bottom plate and a working box mounted at the tops of the supporting plates, and two crushing mechanisms matched with each other are mounted in the working box. The top of the working box is provided with a feeding port, the inner wall of the top of the working box is provided with two material guiding plates which are located on the two sides of the feeding port and used for guiding raw materials into the position between the two crushing mechanisms, and each crushing mechanism comprises a rotating rod rotationally connected into the working box. Cement and a cement bag can be directly put into the working box together, the cement bag can be crushed under the action of the two crushing mechanisms, at the moment, the cement in the cement bag can enter the conveying box through the discharging box, and therefore dust generated in the cement pouring process of workers is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete raw material lifting, and particularly relates to an efficient dust-free lifting device for concrete raw materials. Background Technique

[0002] Concrete is an engineering composite material in which a cementitious material binds aggregates into a whole. Usually, cement is used as the cementitious material, which is mixed with aggregates such as sand and stone in a certain proportion, and then water (possibly containing admixtures and additives) is added and stirred.

[0003] Concrete raw materials include cement, sand, stone, etc. Cement is packaged in bags. When lifting cement raw materials, the cement bags need to be opened first and then the cement is poured in. Since cement is in powder form, a large amount of dust will be generated during the pouring process into the lifting device, and the powdered raw materials will fly up, resulting in a large amount of dust floating in the air near the device, which not only pollutes the working environment of the operators, but also is prone to dust explosion when encountering sparks, causing serious safety accidents. Content of the Utility Model

[0004] The purpose of the utility model is to provide an efficient dust-free lifting device for concrete raw materials with a simple structure and reasonable design to solve the above problems.

[0005] The utility model realizes the above purpose through the following technical solutions:

[0006] An efficient dust-free lifting device for concrete raw materials, including a bottom plate, a plurality of support plates installed on the top of the bottom plate, and a working box installed on the top of the plurality of support plates. Two mutually cooperating crushing mechanisms are installed inside the working box. The crushing mechanism includes a rotating rod rotatably connected inside the working box, a rotating roller installed outside the rotating rod, and a plurality of crushing wheels installed outside the rotating roller. A plurality of scraping plates which are inclined and are in contact with the outside of the rotating roller are installed inside the working box. The plurality of scraping plates and the plurality of crushing wheels are arranged in a staggered manner. A lifting mechanism is installed on the top of the bottom plate. A feeding box communicated with the lifting mechanism is installed at the bottom of the working box. A rotating motor for driving one of the rotating rods to rotate is installed outside the working box. One ends of the two rotating rods both extend to the outside of the working box and are both installed with mutually meshing first gears.

[0007] As a further optimized scheme of the utility model, the lifting mechanism includes a conveying box installed on the top of the bottom plate and inclined, and a spiral conveying roller rotatably connected inside the conveying box. A driving motor for driving the spiral conveying roller to rotate is installed on one side of the conveying box. The bottom of the feeding box is fixedly connected with the top of the conveying box.

[0008] As a further optimization solution of the present utility model, a blanking port is provided on one side of the working box, a filter screen inclined towards the blanking port is hinged on the inner wall of one side of the working box, and a plurality of springs fixedly connected to the bottom of the filter screen are installed on the bottom inner wall of the blanking port.

[0009] As a further optimization solution of the present utility model, a rotating rod is rotatably connected inside the working box, a plurality of cams that fit against the bottom of the filter screen are installed on the outside of the rotating rod, and one end of the rotating rod extends outside the working box and is provided with a second gear that meshes with one of the first gears.

[0010] As a further optimization solution of the present utility model, a retaining frame in a U-shaped structure is installed outside the working box above the blanking port, and a baffle for blocking the blanking port is sleeved inside the retaining frame.

[0011] As a further optimization solution of the present utility model, a feeding port is provided on the top of the working box, and two guide plates located on both sides of the feeding port and guiding the raw materials between the two crushing mechanisms are installed on the top inner wall of the working box.

[0012] The beneficial effects of the present utility model are as follows: During the process of lifting cement, the present utility model can directly put the cement and the cement bag into the working box together. Under the action of the two crushing mechanisms, the cement bag will be crushed. At this time, the cement in the cement bag will enter the conveying box through the blanking box, thereby reducing the dust generated by workers during the process of pouring cement. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the first three-dimensional structure schematic diagram of the present utility model;

[0014] Figure 2 is the second three-dimensional structure schematic diagram of the present utility model;

[0015] Figure 3 is the cross-sectional structure schematic diagram of the present utility model;

[0016] Figure 4 is the Figure 3 enlarged structure schematic diagram at position A of the present utility model;

[0017] Figure 5 is the Figure 3 enlarged structure schematic diagram at position B of the present utility model;

[0018] In the figure: 1. Bottom plate; 2. Working box; 3. Baffle frame; 4. Baffle; 5. Feeding box; 6. Conveyor box; 7. Crushing wheel; 8. First gear; 9. Second gear; 10. Rotating rod; 11. Filter screen; 12. Screw conveyor roller; 13. Guide plate; 14. Rotating rod; 15. Cam; 16. Spring; 17. Rotating roller; 18. Scraper. Detailed implementation mode

[0019] The present application will be further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation modes are only used to further illustrate the present application and cannot be understood as limiting the protection scope of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0020] Embodiment 1

[0021] As Figure 1 , Figure 2 , Figure 3 and Figure 5 shown, a high-efficiency dust-free lifting device for concrete raw materials includes a bottom plate 1, a plurality of support plates installed on the top of the bottom plate 1, and a working box 2 installed on the top of the plurality of support plates. Two mutually cooperating crushing mechanisms are installed inside the working box 2. A feeding port is opened at the top of the working box 2. Two guide plates 13 are installed on the inner wall of the top of the working box 2 on both sides of the feeding port and are used to guide the raw materials between the two crushing mechanisms. The crushing mechanism includes a rotating rod 10 rotatably connected inside the working box 2, a rotating roller 17 installed outside the rotating rod 10, and a plurality of crushing wheels 7 installed outside the rotating roller 17. A plurality of scrapers 18 are installed inside the working box 2 and are attached to the outside of the rotating roller 17 and are inclined. The plurality of scrapers 18 and the plurality of crushing wheels 7 are arranged in an alternating manner. The crushing wheel 7 includes a plurality of crushing teeth installed outside the rotating roller 17 and arranged in a ring shape. A lifting mechanism is installed on the top of the bottom plate 1. Among them, the lifting mechanism includes a conveyor box 6 installed on the top of the bottom plate 1 and inclined, and a screw conveyor roller 12 rotatably connected inside the conveyor box 6. A driving motor for driving the screw conveyor roller 12 to rotate is installed on one side of the conveyor box 6. The bottom of the feeding box 5 is fixedly connected to the top of the conveyor box 6. The bottom of the working box 2 is installed with a feeding box 5 communicated with the lifting mechanism. A rotating motor for driving one of the rotating rods 10 to rotate is installed outside the working box 2. One end of each of the two rotating rods 10 extends outside the working box 2 and is installed with mutually meshing first gears 8. The two crushing mechanisms are meshed with each other. A feeding cylinder is installed at the bottom of the top end of the conveyor box 6.

[0022] It should be noted that for this efficient dust-free lifting device for concrete raw materials, when in use, the packaged cement is put into the working box 2 through the feeding port. Under the action of the two guiding plates 13, the packaged cement will move between the two crushing mechanisms. At this time, the rotating motor will drive one of the rotating rods 10 to rotate. Under the meshing of the two first gears 8, the two rotating rollers 17 will rotate towards each other. At this time, it will drive the multiple crushing wheels 7 installed outside the rotating rollers 17 to rotate. Under the action of the multiple crushing wheels 7, the cement packaging bags will be crushed. During the crushing process, when the rotating roller 17 rotates, the scraper 18 will clean the cement bags wound around the rotating roller 17, reducing the situation where the cement bags are wound around the rotating roller 17 during crushing, so that the crushing mechanism can work better. The cement after being filtered by the filtering mechanism will enter the conveying box 6 through the blanking box 5, and the driving motor will drive the spiral conveying roller 12 to rotate, thereby lifting the raw materials.

[0023] Embodiment 2

[0024] As Figure 3 and Figure 4 shown, the characteristics of this embodiment further improved on the basis of Embodiment 1 are as follows: A blanking port is provided on one side of the working box 2. A filter screen 11 inclined towards the blanking port is hinged on the inner wall of one side of the working box 2. A plurality of springs 16 fixedly connected to the bottom of the filter screen 11 are installed on the bottom inner wall of the blanking port. A rotating rod 14 is rotatably connected inside the working box 2. A plurality of cams 15 that fit the bottom of the filter screen 11 are installed outside the rotating rod 14. One end of the rotating rod 14 extends outside the working box 2 and is provided with a second gear 9 that meshes with one of the first gears 8. A retaining frame 3 in a U-shaped structure is installed outside the working box 2 and is located above the blanking port. A baffle 4 for blocking the blanking port is sleeved inside the retaining frame 3. When it is necessary to clean the filtered cement bags, the baffle 4 can be pulled upwards, and at this time, the blanking port can be opened, and the filtered cement bags can be cleaned. During filtering, the baffle 4 closes the blanking port, thereby reducing the dust flying out of the blanking port during filtering.

[0025] It should be noted that the working principle of this embodiment is that the crushed cement and cement bags will fall onto the filter screen 11. Under the meshing of one of the first gears 8 and the second gear 9, the rotating rod 14 will rotate. Driven by the rotating rod 14, a plurality of cams 15 will rotate. Under the action of the cams 15 and the plurality of springs 16, the filter screen 11 will vibrate, so that the cement and cement bags can be filtered better.

[0026] The above-described embodiments merely represent several implementation manners of the present utility model. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model.

Claims

1. An efficient dust-free lifting device for concrete raw materials, comprising a bottom plate (1), a plurality of support plates installed on the top of the bottom plate (1), and a working box (2) installed on the top of the plurality of support plates, characterized in that, Inside the working box (2), two mutually cooperating crushing mechanisms are installed. The crushing mechanism includes a rotating rod (10) rotatably connected inside the working box (2), a rotating roller (17) installed outside the rotating rod (10), and a plurality of crushing wheels (7) installed outside the rotating roller (17). Inside the working box (2), a plurality of scraping plates (18) are installed which are attached to the outside of the rotating roller (17) and are inclined. The plurality of scraping plates (18) and the plurality of crushing wheels (7) are arranged alternately. A lifting mechanism is installed on the top of the bottom plate (1). A feeding box (5) communicated with the lifting mechanism is installed at the bottom of the working box (2). An electric rotating motor for driving one of the rotating rods (10) to rotate is installed outside the working box (2). One ends of the two rotating rods (10) extend outside the working box (2) and are both installed with first gears (8) that mesh with each other.

2. The high-efficiency dust-free lifting device for concrete raw materials according to claim 1, characterized in that: The lifting mechanism includes a conveying box (6) installed on the top of the bottom plate (1) and inclined, and a spiral conveying roller (12) rotatably connected inside the conveying box (6). A driving motor for driving the spiral conveying roller (12) to rotate is installed on one side of the conveying box (6). The bottom of the feeding box (5) is fixedly connected to the top of the conveying box (6).

3. The high-efficiency dust-free lifting device for concrete raw materials according to claim 1, wherein: A discharge opening is formed on one side of the working box (2). A filter screen (11) inclined towards the discharge opening is hinged on the inner wall of one side of the working box (2). A plurality of springs (16) fixedly connected to the bottom of the filter screen (11) are installed on the inner wall of the bottom of the discharge opening.

4. The highly efficient dust-free lifting device for concrete raw materials according to claim 1, characterized in that: A rotating rod (14) is rotatably connected inside the working box (2). A plurality of cams (15) attached to the bottom of the filter screen (11) are installed outside the rotating rod (14). One end of the rotating rod (14) extends outside the working box (2) and is installed with a second gear (9) that meshes with one of the first gears (8).

5. The high-efficiency dust-free lifting device for concrete raw materials according to claim 1, wherein: A retaining frame (3) in a U-shaped structure is installed outside the working box (2) and is located above the discharge opening. A baffle plate (4) for blocking the discharge opening is sleeved inside the retaining frame (3).

6. The highly efficient dust-free lifting device for concrete raw materials according to claim 1, characterized in that: A feeding port is formed on the top of the working box (2). Two guide plates (13) located on both sides of the feeding port and guiding the raw material between the two crushing mechanisms are installed on the inner wall of the top of the working box (2).

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