An automatic sand supply device

Abstract

An automatic sand supply device includes: a support frame, a conveyor belt, and a sand collection box. The support frame is equipped with a vertically arranged elevator, with a collection hopper below the elevator and a discharge box at the top, with a feeding pipe at the bottom of the discharge box. The conveyor belt is located on one side of the support frame, with its conveying end above the collection hopper and a sand storage hopper above its conveying start. The sand collection box is located on the other side of the support frame, with a spiral sand applicator below it for applying sand to the surface of waterproof membrane. A spiral conveyor is located above the sand collection box, with its conveying start connected to the lower end of the feeding pipe. A collection box is located below the sand collection box, with a discharge port at its lower end, connected to the conveying start of the spiral sand return device. The spiral sand return device has a discharge pipe at its conveying end, with its lower end above the collection hopper. This device can automatically and continuously supply sand, reducing labor intensity and ensuring production efficiency and sand surface uniformity.

Description

Technical Field

[0001] This utility model relates to the field of waterproof membrane production technology, and in particular to an automatic sand supply device. Background Technology

[0002] In the production process of waterproof membranes, to improve their performance, such as slip resistance, UV resistance, improved adhesion, and increased puncture resistance, a sand-coating treatment is usually applied to the surface of the membrane. In existing technologies, the sand-coating process typically involves manually feeding the material into the hopper above the applicator. This process is time-consuming and labor-intensive, placing a high strain on workers. Furthermore, the unstable sand supply speed can easily disrupt normal applicator operations, reducing the uniformity of the sand surface on the waterproof membrane and lowering product performance. Moreover, to ensure that the efficiency of manual operation matches the conveying rate of the waterproof membrane, the conveying rate must be reduced, further impacting production efficiency. Utility Model Content

[0003] In view of the shortcomings of the above-mentioned prior art, this application provides an automatic sand supply device that can automatically and continuously transport sand, reduce the labor intensity of workers, and ensure production efficiency and sand surface uniformity, and has strong practicality.

[0004] To achieve the above objectives, the present invention employs the following technology:

[0005] An automatic sand supply device includes: a support frame, a conveyor belt, and a sand collection box.

[0006] The support frame is equipped with a vertically arranged elevator. A collection hopper is located below the elevator, and a discharge box is located at the top of the elevator. A feeding pipe is located at the bottom of the discharge box. A conveyor belt is located on one side of the support frame, with the conveying end of the conveyor belt located above the collection hopper. A sand storage hopper is located above the conveying start end of the conveyor belt. A sand collection box is located on the other side of the support frame, and a spiral sand applicator is located below it for applying sand to the surface of the waterproof membrane. A spiral conveyor is located above the sand collection box, and the conveying start end of the spiral conveyor is connected to the lower end of the feeding pipe.

[0007] Furthermore, a collection box is provided below the sand collection box, and the waterproof membrane is located between the sand collection box and the collection box. The lower end of the collection box is provided with a discharge port, which is connected to the conveying start end of the spiral sand returner. The conveying end of the spiral sand returner is provided with a discharge pipe, and the lower end of the discharge pipe is located above the collection hopper.

[0008] Furthermore, both the sand collection box and the sand collection container are flat, and the screw conveyor and the screw sand applicator are arranged along their length.

[0009] Furthermore, multiple sand volume sensors are installed on one side of the sand collection box along the vertical direction to monitor the amount of sand.

[0010] The advantages of this utility model are as follows: by cooperating with the conveyor belt and the elevator, the sand is automatically transported to the sand collection box, which reduces the labor intensity of workers and can adapt to the conveying speed of the waterproof membrane, thereby improving production efficiency and the uniformity of the sand surface; and the sand that falls off the waterproof membrane is recycled, thereby reducing production costs. Attached Figure Description

[0011] The accompanying drawings described herein are merely illustrative of selected embodiments, not all possible implementations, and are not intended to limit the scope of this invention.

[0012] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application. Detailed Implementation

[0013] To make the objectives, technical solutions and advantages of the present utility model clearer, the implementation methods of the present utility model will be described in detail below with reference to the accompanying drawings. However, the embodiments described in the present utility model are only some embodiments of the present utility model, and not all embodiments.

[0014] like Figure 1 As shown, this example provides an automatic sand supply device, including: a support frame 1, a conveyor belt 2, and a sand collection box 3.

[0015] The support frame 1 is equipped with a vertically arranged elevator 11, which conveys sand in a vertical direction. A collection hopper 12 is located below the elevator 11, and a discharge box is located at the upper end of the elevator 11. A feeding pipe 13 is located at the bottom of the discharge box, and the sand conveyed by the elevator 11 is discharged through the feeding pipe 13. A conveyor belt 2 is located on one side of the support frame 1, and the conveying end of the conveyor belt 2 is located above the collection hopper 12. A sand storage hopper 21 is located above the conveying start end of the conveyor belt 2, so that the sand in the sand storage hopper 21 is conveyed to the collection hopper 12. A sand collection box 3 is located on the other side of the support frame 1, and a spiral sand applicator 31 is located below it for applying sand to the surface of the waterproof membrane. A spiral conveyor 32 is located above the sand collection box 3. The conveying start end of the spiral conveyor 32 is connected to the lower end of the feeding pipe 13, so that the sand transferred by the elevator 11 is conveyed to the sand collection box 3 through the spiral conveyor 32.

[0016] Specifically, during the sand laying operation, the sand on the waterproof membrane will slip off. To reduce waste, a collection box 33 is provided below the sand collection box 3, and the waterproof membrane is located between the sand collection box 3 and the collection box 33. The slipping sand is collected by the collection box 33, and the lower end of the collection box 33 is provided with a discharge port 34, which is connected to the conveying start end of the spiral sand returner 35. The conveying end of the spiral sand returner 35 is provided with a discharge pipe 36, and the lower end of the discharge pipe 36 is located above the collection hopper 12, thereby transferring the recovered sand back to the collection hopper 12 for secondary use and reducing production costs.

[0017] Specifically, both the sand collection box 3 and the collection box 33 are flat, and the screw conveyor 32 and the screw sand applicator 31 are arranged along their length to facilitate the application of sand to the waterproof membrane.

[0018] Specifically, a number of sand capacity sensors 37 are provided on one side of the sand collection box 3 in the vertical direction to monitor the amount of sand and prevent the sand in the sand collection box 3 from overflowing or becoming too little.

[0019] Since the above are merely preferred embodiments of this utility model and are not intended to limit this utility model, it is obvious that those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. An automatic sand supply device characterized by comprising: include: The support frame (1) is equipped with a vertically arranged elevator (11). A collection hopper (12) is provided below the elevator (11). A discharge box is provided at the upper end of the elevator (11). A feeding pipe (13) is provided at the bottom of the discharge box. A conveyor belt (2) is located on one side of the support frame (1), and the conveying end of the conveyor belt (2) is located above the collection hopper (12). A sand storage hopper (21) is provided above the conveying start end of the conveyor belt (2). A sand collection box (3) is located on the other side of the support frame (1), and a spiral sand applicator (31) is provided below it for applying sand to the surface of the waterproof membrane. A spiral conveyor (32) is provided above the sand collection box (3), and the conveying start end of the spiral conveyor (32) is connected to the lower end of the feeding pipe (13).

2. The automatic sand supply device according to claim 1, characterized in that Below the sand collection box (3), there is also a collection box (33), and the waterproof membrane is located between the sand collection box (3) and the collection box (33). The lower end of the collection box (33) is provided with a discharge port (34), which is connected to the conveying start end of the spiral sand returner (35). The conveying end of the spiral sand returner (35) is provided with a discharge pipe (36), and the lower end of the discharge pipe (36) is located above the collection hopper (12).

3. The automatic sand supply device according to claim 2, characterized in that The sand collection box (3) and the collection box (33) are both flat, and the spiral conveyor (32) and the spiral sand applicator (31) are arranged along their length.

4. The automatic sand supply of claim 1, wherein, The sand collection box (3) is provided with multiple sand capacity sensors (37) on one side in the vertical direction for monitoring the amount of sand.

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