Adjustable particle screening machine

Abstract

The utility model discloses an adjustable particle screening machine which comprises a base body, a screen assembly and a vibration assembly are arranged on the base body, the screen assembly comprises an operation box connected to the base body in a left-right sliding mode, and a first screen plate, a second screen plate and a bottom plate which are distributed up and down are hinged to the interior of an operation cavity in the operation box. The first sieve plate and the second sieve plate are connected through a hinge rod, the second sieve plate and the bottom plate are connected through a hinge rod, and the vibration assembly is used for controlling the operation box to move left and right. In addition, the angle of the sieve plate and the angle of the bottom plate can be synchronously adjusted, so that the residence time of materials on the sieve plate is adjusted, and then the handling capacity and the sieving quality are balanced. The feeding box is arranged in the vibrating screen, the feeding position is limited, and the phenomenon that materials leak from the screen due to the fact that the feeding position is too left is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of screening, in particular to an adjustable particle screening machine. Background Art

[0002] Thermoplastic elastomer (TPE) is a polymer material that combines the elasticity of rubber and the processing properties of plastic. It is usually transported in granular bags to reduce transportation and storage costs.

[0003] TPE particles need to be screened before use to ensure material purity, processing stability and final product quality. However, as shown in a screening device for TPE plastic particle production disclosed in application No. 202323551635.4, the angle of the screen in the current screening device is mostly non-adjustable. When the screen angle is fixed, the material flow rate is single. If the angle is too large, the particles tend to slide off quickly, reducing the screening effect. When the angle is too small, the screening efficiency will be reduced and it is easy to cause material accumulation. Therefore, it needs to be improved.

[0004] In addition, there is also the problem of no feed port in the device. When the staff is feeding, if the feeding position is too far to the left, it is easy for the granular material to leave the screening equipment directly without being screened. This defect also needs to be improved. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides an adjustable particle screening machine to solve the problems mentioned in the above background technology.

[0006] The utility model provides the following technical solution: an adjustable particle screening machine, comprising a base body, a screen assembly and a vibration assembly provided on the base body, the screen assembly comprising a work box slidably connected to the base body left and right, a first screen plate, a second screen plate and a bottom plate hingedly connected in a work cavity in the work box, the first screen plate and the second screen plate, as well as the second screen plate and the bottom plate being connected respectively by hinged rods, and further comprising a detachable support member for supporting the bottom plate, the first screen plate and the second screen plate being respectively provided with screen holes;

[0007] The vibration component is used to control the left and right movement of the work box.

[0008] Preferably, a mounting groove is provided in the bottom surface of the working chamber, and the support member is a support plate inserted into the mounting groove;

[0009] The upper side surface of the support plate is an inclined surface attached to the lower side surface of the base plate.

[0010] Preferably, a top plate is provided on the upper side of the working box, a feed box is provided on the upper side of the top plate, a feed trough in the feed box is expanded outward in an upward direction, and the feed trough passes through the feed box downward to face the No. 1 screen plate.

[0011] Preferably, the vibration assembly includes a drive box arranged on the base body, and a connecting mechanism is provided in the drive cavity in the drive box. The connecting mechanism includes a rotating shaft rotatably connected to the wall of the drive cavity, a turntable is installed at the end of the rotating shaft, and a control rod is eccentrically hinged on the end face of the turntable, and the other end of the control rod is hinged to the right wall of the work box. The drive box is also provided with a motor for driving the rotating shaft.

[0012] Preferably, the connecting mechanism is provided with two groups symmetrically distributed in the upper and lower parts, and the rotating shafts in the two groups of connecting mechanisms are rotatably connected to the upper and lower side surfaces of the driving cavity respectively;

[0013] A transmission shaft is rotatably connected in the driving cavity, and the transmission shaft is connected to each of the rotating shafts through a gear set.

[0014] Preferably, the working chamber is also equipped with three extension plates distributed up and down, and the three extension plates are respectively located on the lower sides of the No. 1 sieve plate, the No. 2 sieve plate and the bottom plate. The extension plates are inclined to the lower left and extend to the left side of the working box, and the front and rear sides of the extension plates are respectively equipped with guard plates.

[0015] Preferably, the No. 1 sieve plate, the No. 2 sieve plate and the bottom plate are respectively attached to the front and rear sides of the working chamber.

[0016] The utility model provides an adjustable particle screening machine, which has the following beneficial effects:

[0017] The utility model is provided with a double-layer sieve plate and a bottom plate, so that the particles screened by the utility model can be screened at multiple levels. In addition, the angles of the sieve plate and the bottom plate in the utility model can be adjusted synchronously to adjust the residence time of the material on the sieve plate, thereby balancing the processing capacity and screening quality.

[0018] The utility model is provided with a feed box, which limits the feed position and avoids material leakage caused by the feed position being too far to the left. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the appearance of the utility model;

[0020] Figure 2 It is a structural diagram of the present utility model;

[0021] Figure 3 This is a schematic diagram of the appearance of the utility model from another perspective;

[0022] Figure 4 yes Figure 3 Enlarged schematic diagram of point A in the middle.

[0023] In the picture:

[0024] 11. Base; 21. Working box; 22. Working chamber; 23. Screen plate No. 1; 24. Screen plate No. 2; 25. Bottom plate; 26. Articulated rod; 27. Support plate; 28. Top plate; 29. ​​Feed box; 41. Drive box; 42. Drive chamber; 43. Control rod; 44. Motor; 45. Drive shaft; 51. Extension plate. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0028] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0029] Reference Figure 1-Figure 4 According to an embodiment of the utility model, an adjustable particle screening machine includes a base body 11, on which a screen assembly and a vibration assembly are provided. The vibration assembly is used to drive the screen assembly to vibrate left and right, thereby screening the granular materials entering the screen assembly.

[0030] The screen assembly includes a work box 21 that is slidably connected to the base body 11 left and right. A No. 1 sieve plate 23, a No. 2 sieve plate 24, and a bottom plate 25 are hingedly connected in a work chamber 22 in the work box 21. The No. 1 sieve plate 23, the No. 2 sieve plate 24, and the bottom plate 25 are hingedly installed at the right end so that the left end can be adjusted up and down to adjust the angle. The No. 1 sieve plate 23 and the No. 2 sieve plate 24, as well as the No. 2 sieve plate 24 and the bottom plate 25 are connected respectively by hinge rods 26. The bottom plate 25 further includes a detachable support member for supporting the bottom plate 25. The first sieve plate 23 and the second sieve plate 24 are respectively provided with sieve holes. Specifically, the diameter of the sieve holes in the first sieve plate 23 is larger than the diameter of the sieve holes in the second sieve plate 24, so as to perform graded screening. The largest particles are transported to the left on the first sieve plate 23, and the smaller particles are transported to the left on the second sieve plate 24. The smallest particles or debris and impurities that pass through the sieve holes in the second sieve plate 24 are transported to the left on the bottom plate 25.

[0031] The No. 1 sieve plate 23, the No. 2 sieve plate 24 and the bottom plate 25 are respectively attached to the front and rear sides of the working chamber 22 to prevent materials from spilling, and the right ends of the No. 1 sieve plate 23, the No. 2 sieve plate 24 and the bottom plate 25 and the upper and lower side surfaces thereof are rounded so that they can be attached to the right side of the working chamber 22.

[0032] An installation groove is provided in the bottom surface of the working chamber 22, and the support member is a support plate 27 inserted into the installation groove. In addition, in this embodiment, the upper side surface of the support plate 27 is an inclined surface attached to the lower side surface of the base plate 25, and the support plate 27 is provided with two front and rear distributed to increase the contact area between the base plate 25.

[0033] Under the action of the hinge rod 26, the No. 1 sieve plate 23, the No. 2 sieve plate 24 and the bottom plate 25 will maintain the same angle for easy adjustment. In addition, during the left and right movement of the working box 21, under the action of gravity, the left ends of the No. 1 sieve plate 23, the No. 2 sieve plate 24 and the bottom plate 25 will not tilt up.

[0034] Furthermore, in order to completely avoid the situation where the left ends of the No. 1 sieve plate 23, the No. 2 sieve plate 24 and the bottom plate 25 are tilted when the work box 21 vibrates left and right, a top plate 28 is installed on the upper side of the work box 21, and a threaded rod is connected to the internal thread of the top plate 28, and a pressure roller is installed at the lower end of the threaded rod, and the pressure roller is pressed on the No. 1 sieve plate 23. Since the No. 1 sieve plate 23, the No. 2 sieve plate 24 and the bottom plate 25 are connected by the hinge rod 26, and the bottom plate 25 is supported by the support plate 27, and the No. 1 sieve plate 23 is pressed by the pressure roller, the angles of the No. 1 sieve plate 23, the No. 2 sieve plate 24 and the bottom plate 25 are completely locked.

[0035] In addition, the pressure roller is designed to be rotatably connected to the lower end of the screw and extend in the front-to-back direction. The staff can hold the pressure roller with one hand to prevent it from rotating, and rotate the threaded rod with the other hand until the pressure roller is pressed on the No. 1 screen plate 23.

[0036] It should be additionally noted that the front-to-back length of the pressure roller is much smaller than the front-to-back width of the No. 1 sieve plate 23 to avoid excessive impact on the screening of the material.

[0037] In addition, in order to limit the feeding position, ensure complete material screening, and avoid the feeding position being too close to the left side, a feed box 29 is installed on the upper side of the top plate 28. The feed trough in the feed box 29 is expanded outward in an upward direction, and the feed trough passes through the feed box 29 downward to face the No. 1 screen plate 23.

[0038] In this embodiment, the vibration assembly includes a drive box 41 arranged on the base body 11, and a connecting mechanism is provided in the drive cavity 42 in the drive box 41. The connecting mechanism includes a rotating shaft rotatably connected to the wall of the drive cavity 42, and a turntable is installed at the end of the rotating shaft. A control rod 43 is eccentrically hinged on the end face of the turntable, and the other end of the control rod 43 is hinged to the right wall of the work box 21. The drive box 41 is also provided with a motor 44 for driving the rotating shaft.

[0039] In order to ensure stable movement of the work box 21 , the connection mechanism is provided with two groups symmetrically distributed in the upper and lower parts, and the rotating shafts in the two groups of the connection mechanisms are rotatably connected to the upper and lower side surfaces of the driving cavity 42 respectively.

[0040] A transmission shaft 45 is rotatably connected in the driving chamber 42 . The output shaft in the motor 44 is connected to the rotating shaft located on the upper side, and the transmission shaft 45 is connected to each of the rotating shafts via a gear set.

[0041] With this structure, one motor 44 can drive the two turntables to rotate, and then the left and right movement of the work box 21 can be controlled by the swing of the control rod 43.

[0042] Furthermore, in order to facilitate the collection of materials sifted from the No. 1 sieve plate 23, the No. 2 sieve plate 24 and the bottom plate 25, the working chamber 22 is further provided with three extension plates 51 distributed up and down. The three extension plates 51 are respectively located on the lower sides of the No. 1 sieve plate 23, the No. 2 sieve plate 24 and the bottom plate 25. The extension plates 51 are inclined to the lower left and extend to the left side of the working box 21. The front and rear sides of the extension plates 51 are respectively provided with retaining edges.

[0043] In addition, the hinged rods 26 between the No. 1 sieve plate 23 and the No. 2 sieve plate 24, and between the No. 2 sieve plate 24 and the bottom plate 25 are hingedly installed with two front-to-back distributions, so that the adjustable particle screening machine is more stable, and the upper side surfaces of the No. 2 sieve plate 24 and the bottom plate 25 are respectively provided with baffles 30 symmetrically arranged in the front-to-back direction, and the baffles 30 are obliquely arranged so that the materials on the No. 2 sieve plate 24 and the bottom plate 25 can avoid the hinged rods 26 when sliding down to the left.

[0044] It should be noted that the staff can adjust the angles of the No. 1 sieve plate 23, the No. 2 sieve plate 24 and the bottom plate 25, thereby adjusting the screening speed, by replacing the support plates 27 of different specifications. The left and right widths of the support plates 27 are smaller than the distance from the extension plate 51 to the bottom surface of the working chamber 22, so as to facilitate replacement.

[0045] The first sieve plate 23 and the second sieve plate can be a combination of a frame and a screen, or the plate body can be directly punched to form a sieve plate;

[0046] The lengths of the three extension plates 51 can be set to be inconsistent to facilitate material separation.

[0047] The above description is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by any technician in this field within the scope of the present invention are included in the patent scope of the present invention.

Claims

1. An adjustable particle screening machine, comprising a base (11), characterized in that: The seat (11) is provided with a screen assembly and a vibration assembly, the screen assembly includes a work box (21) connected to the seat (11) in a left-right sliding manner, a No. 1 screen plate (23), a No. 2 screen plate (24) and a bottom plate (25) which are hingedly distributed up and down in a work cavity (22) in the work box (21), the No. 1 screen plate (23) and the No. 2 screen plate (24), as well as the No. 2 screen plate (24) and the bottom plate (25) are connected respectively by hinge rods (26), and further includes a detachable support member for supporting the bottom plate (25), and the No. 1 screen plate (23) and the No. 2 screen plate (24) are respectively provided with screen holes; The vibration component is used to control the left and right movement of the working box (21).

2. The adjustable particle screening machine according to claim 1, characterized in that: A mounting groove is provided in the bottom surface of the working chamber (22), and the support member is a support plate (27) inserted into the mounting groove; The upper side of the support plate (27) is an inclined surface attached to the lower side of the bottom plate (25).

3. The adjustable particle screening machine according to claim 1, characterized in that: The upper side of the working box (21) is provided with a top plate (28), and the upper side of the top plate (28) is provided with a feed box (29), the feed trough in the feed box (29) is expanded outward in an upward direction, and the feed trough passes through the feed box (29) downward to face the No. 1 sieve plate (23).

4. The adjustable particle screening machine according to claim 1, characterized in that: The vibration assembly includes a drive box (41) arranged on the base (11), a connecting mechanism is provided in a drive cavity (42) in the drive box (41), and the connecting mechanism includes a rotating shaft rotatably connected to the wall of the drive cavity (42), a turntable is provided at the end of the rotating shaft, and a control rod (43) is eccentrically hinged on the end surface of the turntable, and the other end of the control rod (43) is hinged to the right wall of the working box (21), and the drive box (41) is also provided with a motor (44) for driving the rotating shaft.

5. The adjustable particle screening machine according to claim 4, characterized in that: The connecting mechanism is provided with two groups symmetrically distributed in the upper and lower parts, and the rotating shafts in the two groups of connecting mechanisms are rotatably connected to the upper and lower side surfaces of the driving cavity (42) respectively; A transmission shaft (45) is also rotatably connected in the driving chamber (42), and the transmission shaft (45) is connected to each of the rotating shafts via a gear set.

6. The adjustable particle screening machine according to claim 1, characterized in that: The working chamber (22) is further provided with three extension plates (51) distributed in an upper and lower manner. The three extension plates (51) are respectively located below the No. 1 sieve plate (23), the No. 2 sieve plate (24) and the bottom plate (25). The extension plates (51) are inclined downward to the left and extend to the left side of the working box (21). The front and rear sides of the extension plates (51) are respectively provided with retaining edges.

7. The adjustable particle screening machine according to claim 1, characterized in that: The No. 1 sieve plate (23), the No. 2 sieve plate (24), and the bottom plate (25) are respectively attached to the front and rear side surfaces of the working chamber (22).

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