Screen mesh with adjustable aperture

Abstract

The utility model relates to the field of screens, in particular to a screen with adjustable aperture. Comprising a screen body, an adjusting structure and sliding holes, a plurality of screen holes are formed in the surface of the screen body, the adjusting structure is located on the screen body and comprises adjusting holes, the adjusting holes are formed in the side face of the screen and communicate with the screen holes, a plurality of baffles are slidably connected to the inner walls of the adjusting holes, and the baffles correspond to the screen holes in position. And the sides, close to each other, of every two adjacent baffles are fixedly connected with a plurality of connecting plates, the inner walls of the adjusting holes are fixedly connected with partition plates, screw rods are arranged on the side faces of the partition plates in a threaded and penetrating mode, and one end of each screw rod is fixedly connected with one baffle. The screen mesh with the adjustable hole diameter has the advantages that the hole diameter of the screen holes in the screen mesh can be conveniently adjusted by personnel, the hole diameter can be rapidly adjusted according to different materials and screening requirements, and therefore the application range of the screen mesh is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the screen field especially relates to a adjustable aperture's screen. BACKGROUND

[0002] The screen is a kind of tool for separating different particle size materials, is widely used in mining, chemical industry, food, environmental protection and other industries.

[0003] The utility model discloses a screen, and its technical scheme points are as follows: including sieve plate and the filter screen being set on sieve plate, sieve plate includes grid support frame, grid support frame inlay framework, grid support frame includes the transverse support bar and longitudinal support bar being set up mutually perpendicularly, the transverse support bar and longitudinal support bar constitute multiple screening areas, and any screening area is provided with first reinforcing mechanism.The utility model has the advantages of reasonable and simple structure, practicality, durability and convenient production and manufacturing.

[0004] For the related content in the above, it is found that the following technical defects exist: the aperture of the screen hole on the screen in the prior art cannot be adjusted, and the fixed-aperture screen cannot meet the needs of different materials, especially in diversified production environments, which will reduce the application range of the screen.

[0005] Therefore, it is necessary to provide a new adjustable-aperture screen to solve the above technical problems. UTILITY MODEL CONTENT

[0006] The utility model aims at solving the shortcomings in the prior art and provides an adjustable-aperture screen.

[0007] To solve the above technical problems, the utility model provides an adjustable-aperture screen, which comprises a screen body, an adjusting structure and a sliding hole, the surface of the screen body is provided with a plurality of screen holes, the adjusting structure is located on the screen body, the adjusting structure comprises an adjusting hole, the adjusting hole is provided on the side surface of the screen body, the adjusting hole is in communication with the screen hole, the inner wall of the adjusting hole is slidably connected with a plurality of baffles, the position of the baffle corresponds to that of the screen hole, the width of the baffle is equal to that of the screen hole, and adjacent two baffles are fixedly connected with a plurality of link plates on the side close to each other.

[0008] The above components achieve the following effects: by setting the adjusting structure, personnel can conveniently adjust the aperture of the screen hole on the screen, can quickly adjust the aperture according to different materials and screening requirements, thereby improving the application range of the screen.

[0009] Preferably, the inner wall of the adjusting hole is fixedly connected with a partition plate, the side surface of the partition plate is threadedly provided with a lead screw, and one end of the lead screw is fixedly connected with one of the baffles.

[0010] The effect achieved by the above-mentioned components is that the rotating screw rod can drive the plurality of baffle plates to move, thereby achieving the effect of conveniently controlling the baffle plates.

[0011] Preferably, the arc surface of the screw rod is provided with a plurality of anti-skid lines, which are uniformly distributed on the arc surface of the screw rod.

[0012] The effect achieved by the above-mentioned components is that the personnel can rotate the screw rod with the help of the anti-skid lines, thereby achieving the effect of conveniently controlling the screw rod.

[0013] Preferably, the inner wall of the adjusting hole is fixedly connected with a plurality of positioning plates, the side surface of each positioning plate is slidably provided with a positioning rod, and one end of each positioning rod is fixedly connected with one of the baffle plates.

[0014] The effect achieved by the above-mentioned components is that when the baffle plates are driven to move by the rotating screw rod, the positioning rods can guide and position the baffle plates, thereby improving the stability of the movement of the baffle plates.

[0015] Preferably, the upper surface of the screen body is provided with a sliding block, the lower surface of the sliding block is fixedly connected with the upper surface of one of the baffle plates, the arc surface of the sliding block is attached to one side of the inner wall of the sliding hole, and the plurality of baffle plates completely block the plurality of screen holes.

[0016] The effect achieved by the above-mentioned components is that during the movement of the baffle plates, the sliding block fixed to the baffle plate will slide along the inner wall of the sliding hole, thereby further improving the stability of the movement of the baffle plates, and when the arc surface of the sliding block is attached to one side of the inner wall of the sliding hole, the baffle plates completely block the plurality of screen holes, thereby facilitating the personnel to confirm the position of the baffle plates.

[0017] Preferably, the upper surface of the sliding block is fixedly connected with a pointer, and the upper surface of the screen body is provided with a scale table.

[0018] The effect achieved by the above-mentioned components is that the personnel can accurately adjust the aperture of the baffle plates and the screen holes with the help of the pointer and the scale table.

[0019] Preferably, one side of the screen body is attached with a protective cover, the protective cover is sleeved on the outside of the screw rod, the upper surface and the lower surface of the protective cover are fixedly connected with welding plates, the side surface of each welding plate is threadedly provided with a screw rod, the upper surface and the lower surface of the screen body are fixedly connected with fixing plates, the side surface of each fixing plate is provided with a screw hole, and the screw hole is matched in size with the screw rod.

[0020] The effect achieved by the above components is that when a person needs to open the protective cover to adjust the lead screw, the screw is first rotated to be separated from the screw hole, and then the protective cover is moved to be separated from the screen body, so that the opening of the protective cover is completed; when the adjustment of the lead screw is completed, the protective cover is moved to be attached to the screen body, and at the same time, the screw is aligned with the screw hole, and then the screw is rotated to be connected with the screw hole, so that the installation of the protective cover is completed, thereby the adjustment hole can be sealed.

[0021] Compared with the related art, the adjustable-aperture screen provided by the utility model has the following beneficial effects:

[0022] The adjustable-aperture screen provided by the utility model can conveniently adjust the aperture of the screen hole on the screen by the adjusting structure, can quickly adjust the aperture according to different materials and screening requirements, and thus the application range of the screen is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The adjustable-aperture screen provided by the utility model has the following beneficial effects:

[0024] Figure 2 The adjusting structure is shown in the structure schematic view of the adjusting structure. Figure 1 The adjusting structure is shown in the structure schematic view of the adjusting structure.

[0025] Figure 3 The adjusting structure is shown in the structure schematic view of the adjusting structure. Figure 1 The adjusting structure is shown in the structure schematic view of the adjusting structure.

[0026] Figure 4 The adjusting structure is shown in the structure schematic view of the adjusting structure. Figure 1 The adjusting structure is shown in the structure schematic view of the adjusting structure.

[0027] Figure 5 The adjusting structure is shown in the structure schematic view of the adjusting structure. Figure 2 The adjusting structure is shown in the structure schematic view of the adjusting structure.

[0028] Figure 6 The adjusting structure is shown in the structure schematic view of the adjusting structure. Figure 1 The adjusting structure is shown in the structure schematic view of the adjusting structure.

[0029] In the drawing, 1 is a screen body, 2 is a screen hole, 3 is an adjusting structure, 301 is an adjusting hole, 302 is a baffle, 303 is a connecting plate, 304 is a lead screw, 305 is a partition plate, 306 is a positioning plate, 307 is a positioning rod, 308 is an anti-skid pattern, 309 is a sliding hole, 310 is a sliding block, 311 is a pointer, 312 is a scale table, 313 is a fixed plate, 314 is a screw hole, 315 is a protective cover, 316 is a welding plate, and 317 is a screw. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples.

[0031] The specific implementation of the utility model will be described in detail below in combination with specific examples.

[0032] Please refer to Figure 1 The utility model embodiment provides a kind of screen of adjustable aperture, comprising: screen body 1, adjusting structure 3 and sliding hole 309, the surface of screen body 1 is equipped with several screen holes 2, adjusting structure 3 is located on screen body 1.

[0033] In the embodiment of the utility model, please refer to Figures 2 to 6, the adjusting structure 3 comprises an adjusting hole 301, the adjusting hole 301 is arranged on the side of the screen body 1, the adjusting hole 301 is communicated with the screen hole 2, the inner wall of the adjusting hole 301 is slidably connected with a plurality of baffles 302, the baffles 302 correspond to the positions of the screen hole 2, the width of the baffle 302 is equal to the width of the screen hole 2, the side, close to each other, of the two adjacent baffles 302 is fixedly connected with a plurality of link plates 303, by arranging the adjusting structure 3, the aperture of the screen hole 2 on the screen can be conveniently adjusted, the aperture can be quickly adjusted according to different materials and screening requirements, thereby the application range of the screen is improved, the inner wall of the adjusting hole 301 is fixedly connected with a partition plate 305, the side of the partition plate 305 is threadedly provided with a lead screw 304, one end of the lead screw 304 is fixedly connected with one of the baffles 302, rotating the lead screw 304 can drive the plurality of baffles 302 to move, the effect that the baffle 302 is conveniently controlled is achieved, the arc surface of the lead screw 304 is provided with a plurality of anti-skid lines 308, the anti-skid lines 308 are uniformly distributed on the arc surface of the lead screw 304, the lead screw 304 can be rotated by the anti-skid lines 308, the effect that the lead screw 304 is conveniently controlled is achieved, the inner wall of the adjusting hole 301 is fixedly connected with a plurality of positioning plates 306, the side of the positioning plate 306 is slidably provided with a positioning rod 307, one end of the positioning rod 307 is fixedly connected with one of the baffles 302, when the lead screw 304 drives the baffle 302 to move, the positioning rod 307 can guide and position the baffle 302, thereby the stability of the moving process of the baffle 302 is improved, the upper surface of the screen body 1 is provided with a sliding block 310, the lower surface of the sliding block 310 is fixedly connected with the upper surface of one of the baffles 302, the arc surface of the sliding block 310 is attached to one side of the inner wall of the sliding hole 309, and the plurality of baffles 302 completely block the plurality of screen holes 2, in the moving process of the baffle 302, the sliding block 310 fixedly connected with the baffle 302 will slide along the inner wall of the sliding hole 309, thereby the stability of the moving process of the baffle 302 is further improved, and when the arc surface of the sliding block 310 is attached to one side of the inner wall of the sliding hole 309, the baffle 302 completely blocks the plurality of screen holes 2, the position of the baffle 302 is conveniently confirmed by the personnel, the upper surface of the sliding block 310 is fixedly connected with a pointer 311, the upper surface of the screen body 1 is provided with a scale table 312, the aperture of the baffle 302 and the screen hole 2 can be accurately adjusted by the pointer 311 and the scale table 312, one side of the screen body 1 is attached to a protective cover 315, the protective cover 315 is sleeved outside the lead screw 304, the upper surface and the lower surface of the protective cover 315 are fixedly connected with a welding plate 316, the side of the welding plate 316 is threadedly provided with a screw rod 317, the upper surface and the lower surface of the screen body 1 are fixedly connected with a fixed plate 313, the side of the fixed plate 313 is provided with a screw hole 314, the size of the screw hole 314 is matched with the size of the screw rod 317, when the personnel needs to open the protective cover 315 to adjust the lead screw 304, the screw rod 317 is first rotated to be separated from the screw hole 314,The protective cover 315 is separated from the screen body 1, and the opening of the protective cover 315 is completed.

[0034] The working principle of the screen with adjustable aperture provided by the utility model is as follows: when the aperture of the screen hole 2 on the filter screen body needs to be adjusted, the screw rod 317 is separated from the screw hole 314 by rotating, and then the protective cover 315 is separated from the screen body 1, so that the opening of the protective cover 315 is completed; then the screw rod 304 is rotated by the aid of the anti-skid lines 308, the screw rod 304 drives the plurality of baffles 302 to move along the inner wall of the adjusting hole 301, and then the movement of the baffles 302 can adjust the aperture of the screen hole 2; during the movement of the baffles 302, the sliding block 310 fixed on the baffle 302 slides along the inner wall of the sliding hole 309, so that the stability of the movement process of the baffle 302 is further improved; when the circular arc surface of the sliding block 310 is attached to one side of the inner wall of the sliding hole 309, the baffle 302 just completely blocks the plurality of screen holes 2, the position of the baffle 302 is convenient for personnel to confirm, and personnel can use the pointer 311 and the scale table 312 to accurately adjust the aperture of the baffle 302 and the screen hole 2; after the adjustment of the screw rod 304 is completed, the protective cover 315 is attached to the screen body 1, the screw rod 317 is aligned with the screw hole 314, and then the screw rod 317 is connected with the screw hole 314, so that the installation of the protective cover 315 is completed, and the adjusting hole 301 can be sealed; during the movement of the baffle 302 driven by the rotation of the screw rod 304, the positioning rod 307 can guide and position the baffle 302, so that the stability of the movement process of the baffle 302 is improved; in addition, personnel can use the pointer 311 and the scale table 312 to accurately adjust the aperture of the baffle 302 and the screen hole 2.

[0035] The circuit and the control involved in the utility model are prior art, and will not be described in detail here.

[0036] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification and the drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A screen with adjustable aperture, characterized in that, include: The screen body (1), the adjustment structure (3), and the sliding hole (309) are provided. The surface of the screen body (1) is provided with a number of screen holes (2). The adjustment structure (3) is located on the screen body (1). The adjustment structure (3) includes an adjustment hole (301). The adjustment hole (301) is opened on the side of the screen body (1). The adjustment hole (301) is connected to the screen hole (2). A number of baffles (302) are slidably connected to the inner wall of the adjustment hole (301). The position of the baffle (302) corresponds to that of the screen hole (2). The width of the baffle (302) is equal to the width of the screen hole (2). A number of connecting plates (303) are fixedly connected to the side of two adjacent baffles (302) that are close to each other.

2. The adjustable aperture screen according to claim 1, characterized in that, A partition (305) is fixedly connected to the inner wall of the adjustment hole (301), and a lead screw (304) is threaded through the side of the partition (305). One end of the lead screw (304) is fixedly connected to one of the baffles (302).

3. The adjustable aperture screen according to claim 2, characterized in that, The lead screw (304) has a plurality of anti-slip patterns (308) on its arc surface, and the anti-slip patterns (308) are evenly distributed on the arc surface of the lead screw (304).

4. The adjustable aperture screen according to claim 1, characterized in that, The inner wall of the adjustment hole (301) is fixedly connected with several positioning plates (306), and a positioning rod (307) is slidably passed through the side of the positioning plate (306). One end of the positioning rod (307) is fixedly connected to one of the baffles (302).

5. The adjustable aperture screen according to claim 1, characterized in that, The upper surface of the screen body (1) is provided with a slider (310). The lower surface of the slider (310) is fixedly connected to the upper surface of one of the baffles (302). The arc surface of the slider (310) fits against one side of the inner wall of the sliding hole (309), and the baffles (302) completely block the screen holes (2).

6. The adjustable aperture screen according to claim 5, characterized in that, A pointer (311) is fixedly connected to the upper surface of the slider (310), and a scale (312) is provided on the upper surface of the screen body (1).

7. A screen with adjustable aperture according to claim 2, characterized in that, A protective cover (315) is attached to one side of the screen body (1). The protective cover (315) is sleeved on the outside of the screw (304). Welding plates (316) are fixedly connected to the upper and lower surfaces of the protective cover (315). A screw (317) is threaded through the side of the welding plate (316). Fixing plates (313) are fixedly connected to the upper and lower surfaces of the screen body (1). A screw hole (314) is opened on the side of the fixing plate (313). The screw hole (314) is adapted to the size of the screw (317).

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