Dust-tight screening apparatus

Abstract

The utility model is specifically related to a dustproof screening equipment, including frame, the upper end of frame is assembled with screening box, fixed assembly has vibration spring between screening box and frame, the inside of screening box is detachably fixed assembly has screen cloth, the screen cloth is placed to the right lower side with inclination, the left and right sides of screening box upper end are respectively provided with feed inlet and cleaning mouth, the feed inlet and cleaning mouth all are assembled with sealing cover, the right end of screening box is fixed assembly has discharge nozzle, the lower end of screening box is fixed assembly has inverted triangle box, inverted triangle box is linked with screening box, the left end of inverted triangle box is fixed assembly has vibration motor on the both sides, the right end of inverted triangle box is provided with collecting mouth, the right end of inverted triangle box is slidably connected with baffle, the right end of inverted triangle box is provided with strip groove, the baffle is fixed assembly has screw rod, the screw rod is slidably matched with strip groove, the screw rod is fixed assembly has lock block with screw thread.

Description

Technical Field

[0001] This utility model belongs to the technical field of screening devices, specifically relating to a dustproof screening device. Background Technology

[0002] In the field of primary material processing, traditional screening machines often suffer from reduced effective screening area due to material accumulation or blockage, which affects production capacity. A single operation can usually only achieve single particle size separation, and multi-stage screening requires multiple machines to be connected in series, increasing space and energy costs. Furthermore, dust spillage during the screening process not only pollutes the environment but also endangers the health of operators.

[0003] Secondly, screen replacement and maintenance are cumbersome and time-consuming, especially for integral designs or spliced ​​screens which are prone to defects such as weak structural strength and poor sealing; therefore, a dustproof screening device is provided to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a dust-proof screening device to solve the problems existing in the background art.

[0005] To achieve the above-mentioned technical objectives, the technical solution adopted by this utility model is as follows:

[0006] A dustproof screening device includes a frame, a screening box is mounted on the upper end of the frame, a vibration spring is fixedly mounted between the screening box and the frame, and a screen is detachably and fixedly mounted inside the screening box, with the screen tilted to the lower right.

[0007] The screening box has a feed inlet and a cleaning inlet on the left and right sides of the upper end, respectively. Both the feed inlet and the cleaning inlet are equipped with sealing caps. The right end of the screening box is fixedly equipped with a discharge nozzle.

[0008] An inverted triangular box is fixedly mounted at the lower end of the screening box, and the inverted triangular box is connected to the screening box. Vibration motors are fixedly mounted on both the front and rear sides of the left end of the inverted triangular box. A collection port is opened at the right end of the inverted triangular box. A baffle is slidably connected to the right end of the inverted triangular box. A strip groove is opened at the right end of the inverted triangular box. A screw is fixedly mounted on the baffle. The screw slides and matches the strip groove. A locking block is threadedly fixedly mounted on the screw.

[0009] Preferably, guide plates are fixedly installed on both the left and right sides inside the screening box.

[0010] Preferably, an L-shaped rubber ring is fixedly fitted to the lower side of both sealing caps.

[0011] Preferably, a connecting block is fixedly installed at each of the four corners of the side of the screening box, the lower end of the connecting block is fixedly connected to the vibration spring, and the lower end of the vibration spring is fixedly connected to the upper end of the support leg of the frame.

[0012] Preferably, the screening box includes a box cover and a box body, the box body and the box cover are fixedly connected by bolts and nuts, the connecting block is fixedly connected to the box body, and the screen is fixedly connected to the box cover.

[0013] Preferably, a guardrail is fixedly provided on the upper side of the screen, and the guardrail is fixedly assembled to the inside of the box cover by bolts and nuts.

[0014] Preferably, the mesh size distribution of the screen is gradually changing.

[0015] The advantages of this utility model are: 1. This device has high screening efficiency. The vibrating motor and inclined screen design ensure uniform material movement and full screening, reducing the risk of clogging. The gradient screen mesh distribution allows for the separation of multiple particle sizes in one operation, improving processing capacity. The screen mesh diameter can be customized according to the material type to meet diverse screening needs. It has excellent dustproof performance. The sealing cover and L-shaped rubber soft ring effectively prevent dust from spilling out and improve the working environment.

[0016] 2. The split-type screening box design makes it simple and quick to replace the screen as a whole, without the need for splicing, ensuring the integrity of the screen; the sliding baffle of the inverted triangular box makes it easy to control the discharge of fine materials; the structure is stable and reliable, and the vibration spring and connecting block work together to absorb vibration, ensuring that the equipment is stable and durable in long-term operation. Attached Figure Description

[0017] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the structure of a dustproof screening device according to the present invention. Figure 1 ;

[0019] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3 This is a schematic diagram of the structure of a dustproof screening device according to the present invention. Figure 2 ;

[0021] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0022] Figure 5 This is an exploded view of the structure of a dustproof screening device according to this utility model;

[0023] Figure 6 for Figure 5 Enlarged view of point C in the middle;

[0024] Figure 7 for Figure 5Enlarged view of point D in the middle;

[0025] The symbols for the main components are explained below:

[0026] Frame 1, screening box 11, feed inlet 111, cleaning port 112, sealing cover 113, discharge nozzle 114, vibration spring 12, screen 13, inverted triangular box 14, collection port 141, baffle 142, strip groove 143, screw 144, locking block 145, vibration motor 15, guide plate 21, L-shaped rubber soft ring 22, connecting block 23, box cover 31, box body 32, enclosure 33. Detailed Implementation

[0027] To enable those skilled in the art to better understand this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0028] like Figure 1-7 As shown, a dustproof screening device of the present invention includes a frame 1, and a screening box 11 is assembled on the upper end of the frame 1;

[0029] A vibration spring 12 is fixedly installed between the screening box 11 and the frame 1; the vibration spring 12 can ensure that the screening box 11 can perform shaking screening work on the frame 1 when the vibration motor 15 is running.

[0030] The screening box 11 is detachably and fixedly equipped with a screen 13, which is tilted to the lower right. The slight tilt of the screen 13 allows the material to move slowly in the tilting direction inside the screening box 11 by the power provided by the vibrating motor 15.

[0031] The mesh size of screen 13 is gradually changing. This gradually changing mesh size allows for multi-stage screening of materials. Of course, different screening apertures can be customized according to the material type if needed.

[0032] Guide plates 21 are fixedly installed on both the left and right sides inside the screening box 11. The guide plates 21 can guide the screened material and the material after screening.

[0033] The screening box 11 has a feed inlet 111 and a cleaning inlet 112 on the left and right sides of the upper end, respectively; the cleaning inlet 112 is used to push or collect and reprocess materials that are not completely screened, and the feed inlet 111 is used to place materials.

[0034] Both the inlet 111 and the cleaning port 112 are equipped with sealing caps 113. The right end of the screening box 11 is fixedly equipped with a discharge nozzle 114. A retaining ring is provided at the discharge nozzle 114, which can be used to fix the collection bag to the retaining ring by ropes or other items.

[0035] Both sealing covers 113 are fixedly fitted with L-shaped rubber rings 22 on their lower sides. The L-shaped rubber rings 22 can hook onto the screening box 11 to prevent the sealing covers 113 from falling off, and also to prevent noise caused by hard contact.

[0036] An inverted triangular box 14 is fixedly installed at the lower end of the screening box 11, and the inverted triangular box 14 is connected to the screening box 11.

[0037] Vibration motors 15 are fixedly mounted on both the front and rear sides of the left end of the inverted triangular box 14.

[0038] The right end of the inverted triangular box 14 is provided with a collection port 141, a baffle 142 is slidably connected to the right end of the inverted triangular box 14, a strip groove 143 is provided at the right end of the inverted triangular box 14, a screw 144 is fixedly assembled on the baffle 142, the screw 144 slides and matches the strip groove 143, and a locking block 145 is threadedly fixed on the screw 144.

[0039] Connecting blocks 23 are fixedly installed at the four corners of the side of the screening box 11. The lower end of the connecting block 23 is fixedly connected to the vibration spring 12, and the lower end of the vibration spring 12 is fixedly connected to the upper end of the support leg of the frame 1.

[0040] The screening box 11 includes a cover 31 and a body 32. The body 32 and the cover 31 are fixedly connected by bolts and nuts. The connecting block 23 is fixedly connected to the body 32, and the screen 13 is fixedly connected to the cover 31. The split design allows for the replacement of the screen 13 as a whole, ensuring the integrity of the screen 13 design and avoiding splicing designs of the screen 13.

[0041] A barrier 33 is fixedly installed on the upper side of the screen 13. The barrier 33 is fixedly assembled to the inside of the box cover 31 by bolts and nuts.

[0042] When screening materials, first open the sealing cover 113 of the feed inlet 111 and put the material to be screened into the screening box 11 through the feed inlet 111; then close the sealing cover 113 and start the vibration motor 15. The material moves slowly along the inclined direction through the screen 13 on the lower right side by means of vibration. During the movement, the material undergoes multi-stage screening through the gradient mesh of the screen 13. Fine particles fall into the inverted triangular box 14 below through the mesh, while coarse particles continue to move to the right. The guide inside the screening box 11... The guide plate 21 guides the fine and coarse materials separated by screening to ensure that the materials flow to the correct position. After screening, the coarse materials are discharged from the discharge nozzle 114 at the right end of the screening box 11 and collected by the collection bag. The fine materials are stored inside the inverted triangular box 14. If the screened material is fine, the opening size of the baffle 142 is adjusted to collect the material. If the screened material is fine impurities, they are first stored inside the inverted triangular box 14 and then uniformly processed after the vibration motor 15 stops to avoid the fine impurities from splashing.

[0043] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A dust-proof screening device, comprising a frame, characterized in that: A screening box is mounted on the upper end of the frame. A vibration spring is fixedly mounted between the screening box and the frame. A screen is detachably and fixedly mounted inside the screening box. The screen is tilted to the lower right. The screening box has a feed inlet and a cleaning inlet on the left and right sides of the upper end, respectively. Both the feed inlet and the cleaning inlet are equipped with sealing caps. The right end of the screening box is fixedly equipped with a discharge nozzle. An inverted triangular box is fixedly mounted at the lower end of the screening box, and the inverted triangular box is connected to the screening box. Vibration motors are fixedly mounted on both the front and rear sides of the left end of the inverted triangular box. A collection port is opened at the right end of the inverted triangular box. A baffle is slidably connected to the right end of the inverted triangular box. A strip groove is opened at the right end of the inverted triangular box. A screw is fixedly mounted on the baffle. The screw slides and matches the strip groove. A locking block is threadedly fixedly mounted on the screw.

2. The dust-proof screening equipment according to claim 1, characterized in that: Guide plates are fixedly installed on both the left and right sides inside the screening box.

3. The dust-proof screening equipment according to claim 1, characterized in that: Both of the sealing caps are fixedly fitted with L-shaped rubber rings on their lower sides.

4. The dust-proof screening equipment according to claim 1, characterized in that: Connecting blocks are fixedly installed at the four corners of the side of the screening box. The lower end of the connecting block is fixedly connected to the vibration spring, and the lower end of the vibration spring is fixedly connected to the upper end of the support leg of the frame.

5. The dust-proof screening equipment according to claim 4, characterized in that: The screening box includes a cover and a body. The body and the cover are fixedly connected by bolts and nuts. The connecting block is fixedly connected to the body, and the screen is fixedly connected to the cover.

6. The dust-proof screening equipment according to claim 5, characterized in that: A guardrail is fixedly provided on the upper side of the screen, and the guardrail is fixedly assembled to the inside of the box cover by bolts and nuts.

7. The dust-proof screening equipment according to claim 1, characterized in that: The mesh size of the screen is gradually distributed.

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