A kind of clearing device for impurities on the surface of sorter screen

Abstract

This utility model relates to the field of cleaning equipment technology, and provides a device for cleaning impurities on the surface of a cleaning machine screen plate, solving the technical problem of cleaning the internal screen plate of existing cleaning machines. The device includes a brush head disposed on the surface of the screen plate, which is driven by a linear drive unit to move along the length of the screen plate. The brush head includes a shell, a body, a lower cover plate, and an elastic element. The shell has a closed upper end and an open lower end, with the lower opening sealed by the lower cover plate. The body is vertically slidably installed inside the shell, and its lower surface has protruding ridges with downwardly extending bristles fixed on them. The lower surface of the lower cover plate is spaced apart from the upper surface of the screen plate, and the lower cover plate has a through guide groove. The protruding ridges slide in conjunction with the guide groove. The elastic element is disposed inside the shell and can press down on the body to allow the bristles to extend out of the guide groove and contact the screen plate.

Description

Technical Field

[0001] This utility model relates to the field of cleaning equipment technology, specifically to a device for cleaning impurities on the surface of a cleaning machine sieve plate. Background Technology

[0002] A separator, also known as a powder separator, uses a combination of screening, vibratory throwing, and air classification to classify coarse particle mixtures. The separator's screen plate reciprocates under the action of a vibrating motor, throwing material onto the screen plate. The airflow passing through the screen plate and material layer from bottom to top generates an upward force against gravity on the dispersed material, causing it to automatically stratify from bottom to top as it propels forward. After prolonged use, material and impurities may become stuck in the screen holes, requiring cleaning.

[0003] Therefore, we propose a device for cleaning impurities from the surface of a cleaning machine screen plate. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a device for cleaning impurities on the surface of a cleaning machine screen plate. It overcomes the deficiencies of existing technologies, is reasonably designed, easy to use, and solves the technical problem of cleaning the internal screen plate of existing cleaning machines.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A device for cleaning impurities on the surface of a sieve plate in a sorting machine, characterized in that: it includes a brush head disposed on the surface of the sieve plate, the brush head being driven by a linear drive unit to move along the length of the sieve plate;

[0009] The brush head includes a shell, a body, a lower cover plate, and an elastic element. The shell has a closed upper end and an open lower end. The lower opening of the shell is sealed by the lower cover plate. The body is slidably installed in the shell along the vertical direction. The lower surface of the body is provided with a protruding ridge, and brush bristles extending downward are fixed on the protruding ridge. The lower surface of the lower cover plate is spaced apart from the upper surface of the sieve plate. The lower cover plate is provided with a guide groove that runs vertically through the shell. The protruding ridge slides in conjunction with the guide groove. The elastic element is disposed in the shell and can press down on the body to make the brush bristles extend out of the guide groove and contact the sieve plate.

[0010] Furthermore, the end of the sieve plate facing the linear drive unit is not provided with sieve holes.

[0011] Furthermore, the upper surface of the end of the sieve plate without sieve holes is covered with a sealing gasket.

[0012] Furthermore, the linear drive unit is provided with drive blocks on both sides, and the outer shell and the main body are respectively provided with an insertion port and a drive groove that cooperate with the drive blocks. The upper side wall of the drive groove is formed with a first inclined surface, and the upper front end of the drive block is provided with a second inclined surface. When the drive block is inserted into the drive groove, the main body is lifted by the cooperation of the first inclined surface and the second inclined surface.

[0013] Furthermore, the elastic element is a spring, the inner side of the top wall of the outer shell is provided with a positioning post, the top wall of the main body is provided with a positioning groove, the upper end of the spring is sleeved on the positioning post, and its lower end is received in the positioning groove.

[0014] Furthermore, the linear drive unit is a cylinder or an electric actuator, and the electric actuator is preferably a multi-stage telescopic electric actuator.

[0015] (III) Beneficial Effects

[0016] This utility model provides a device for cleaning impurities from the surface of a separator screen plate, comprising the following features:

[0017] Beneficial effects:

[0018] 1. The brush head is driven by a linear drive unit to move back and forth along the length of the screen plate. The brush bristles push the material and impurities stuck at the end of the screen holes to separate them. At the same time, under the action of the elastic element, the brush bristles are always in contact with the surface of the screen plate, which can ensure that the brush bristles contact the stuck material and impurities, ensure the separation effect, and greatly reduce the frequency of manual disassembly and cleaning, making cleaning more convenient.

[0019] 2. Under the action of the drive block, the bristles can overcome the elastic force of the elastic element and be lifted upward and housed in the guide groove. The guide groove has a restraining effect on the bristles, which can straighten the bristles to a certain extent and prevent the bristles from always maintaining a bent shape after scraping the surface of the screen plate, thus extending the life of the brush head. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention in standby mode;

[0021] Figure 2 This is a first-view cross-sectional schematic diagram of the present invention in standby mode;

[0022] Figure 3 for Figure 2 A magnified structural diagram of point A in the middle;

[0023] Figure 4 This is a schematic diagram of the structure of the present invention in its working state;

[0024] Figure 5 This is an exploded view of the present invention in its working state;

[0025] Figure 6 This is a first-view cross-sectional schematic diagram of the present invention in its working state;

[0026] Figure 7 for Figure 6 A magnified structural diagram of section B in the middle;

[0027] Figure 8 This is a cross-sectional view of the present invention in its working state from a second perspective;

[0028] Figure 9 for Figure 8 A magnified structural diagram of section C.

[0029] In the picture:

[0030] 1. Sieve plate;

[0031] 2. Ontology;

[0032] 21. Protruding ridge;

[0033] 22. Brush bristles;

[0034] 231. Front groove;

[0035] 232. Rear end tank;

[0036] 233. First inclined plane;

[0037] 3. Outer shell;

[0038] 31. Insertion port;

[0039] 32. Positioning post;

[0040] 4. Lower cover plate;

[0041] 41. Guide groove;

[0042] 5. Spring;

[0043] 6. Driver block;

[0044] 61. Second inclined plane;

[0045] 7. Linear drive unit;

[0046] D. Gap. Detailed Implementation

[0047] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0048] See attached document Figure 1-9 A device for cleaning impurities on the surface of a sieve plate of a sorting machine includes a brush head disposed on the surface of a sieve plate 1, the brush head being driven by a linear drive unit 7 to move along the length direction of the sieve plate 1.

[0049] The brush head includes a housing 3, a body 2, a lower cover plate 4, and an elastic element. The housing 3 is connected to the output end of the linear drive unit 7. The housing 3 is a cuboid structure with a closed upper end and an open lower end. The housing 3 extends along the width direction of the sieve plate 1. The lower opening of the housing 3 is sealed by the lower cover plate 4. The body 2 is slidably installed in the housing 3 in a vertical direction (the outer peripheral sidewall of the body 2 and the inner peripheral sidewall of the housing 3 can be guided and engaged in a vertical direction through a concave-convex structure). The lower surface of the body 2 is provided with a protruding ridge 21. Brush bristles 22 extending downward are fixed on the protruding ridge 21. The lower surface of the lower cover plate 4 is spaced apart from the upper surface of the sieve plate 1, i.e., a gap D is left between them. The lower cover plate 4 is provided with a guide groove 41 that runs vertically through the sieve plate. The protruding ridge 21 is slidably engaged with the guide groove 41. The elastic element is disposed in the housing 3 and its upper and lower ends abut against the top wall of the housing 3 and the body 2, respectively. The brush bristles 22 can extend out of the guide groove 41 and contact the sieve plate 1 under the action of the elastic element.

[0050] In other embodiments, brush heads can be provided on both the upper and lower surfaces of the sieve plate 1 as needed to simultaneously scrape and separate the materials and impurities stuck on the upper and lower surfaces of the sieve plate 1, thereby improving the separation quality.

[0051] In this embodiment, the protruding ridge 21 and the guide groove 41 are both elongated strips that extend along the length of the body 2 and the lower cover plate 4. There are three protruding ridges 21 and three guide grooves 41 that are spaced apart along the width of the body 2 and the lower cover plate 4. Only the protruding ridge at the rear end shows the bristles. In other embodiments, the protruding ridge 21 and the guide groove 41 can be set as circular individuals that are evenly distributed along the length of the body 2 and the lower cover plate 4. Accordingly, the guide groove 41 has a small volume. After the bristles 22 are lifted upward and housed in the guide groove 41, the bristles 22 can be straightened to a certain extent, which can prevent the bristles 22 from always maintaining a bent shape after scraping the surface of the screen plate 1 and extend the life of the brush head.

[0052] In this embodiment, refer to the appendix. Figure 4The sieve plate 1 has through-holes distributed on its surface, i.e., the circular holes on the surface of the sieve plate in the figure. The end of the sieve plate 1 facing the linear drive unit 7 does not have sieve holes. Preferably, the upper surface of the end of the sieve plate 1 without sieve holes is covered with a sealing gasket (not shown in the figure). When the cleaning machine is in normal operating condition, and the impurity separation device is in standby condition, the brush head moves forward and returns to above the end of the sieve plate 1 without sieve holes under the action of the linear drive unit 7. This does not affect normal screening operations. Simultaneously, the sealing gasket prevents material from entering the gap D between the brush head and the sieve plate 1 in this state, and also provides some vibration isolation for the brush head. When the impurity separation device is in operating condition, preferably, the brush head does not return to above the sealing gasket. This reduces friction on the sealing gasket and reduces the lifting action of the brush bristles 22, thus improving cleaning efficiency.

[0053] In this embodiment, the linear drive unit 7 has fixed drive blocks 6 on both sides. The outer shell 3 and the main body 2 are respectively provided with insertion ports 31 and drive slots that cooperate with the drive blocks 6. The upper sidewall of the drive slot forms a first inclined surface 233. Specifically, the drive slot includes an outward-facing front end slot 231 and an inward-facing rear end slot 232. The bottom walls of the front end slot 231 and the rear end slot 232 are flush, and their top walls are smoothly connected by the first inclined surface 233. The upper part of the front end of the drive block 6 is provided with a second inclined surface 61. When the drive block 6 is inserted into the drive slot, the main body 2 is lifted by the cooperation of the first inclined surface 233 and the second inclined surface 61. After configuring the drive blocks 6 and drive slots, the linear drive unit 7 can simultaneously realize the horizontal and vertical movement of the main body 2 and the bristles 22, reducing the need for additional vertical drive units and effectively controlling costs.

[0054] In this embodiment, the elastic element is a spring 5. There are three springs 5 ​​distributed at intervals along the length of the body 2. The inner side of the top wall of the outer shell 3 is provided with a positioning post 32. The top wall of the body 2 is provided with an annular positioning groove. The upper end of the spring 5 is sleeved on the positioning post 32 and its lower end is received in the positioning groove.

[0055] In this embodiment, the linear drive unit 7 is a cylinder or an electric push rod. The electric push rod is preferably a multi-stage telescopic electric push rod, which reduces the installation space requirement and has a wider range of applications. Both the multi-stage telescopic electric push rod and the drive block 6 can be fixedly installed on an external bracket (not shown in the figure). The output end of the multi-stage telescopic electric push rod and the end of the drive block 6 both penetrate the side wall of the cleaning machine and extend into the screen body to cooperate with the corresponding outer shell 3 and body 2.

[0056] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0057] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A device for cleaning impurities from the surface of a sieve plate in a cleaning machine, characterized in that: Includes a brush head disposed on the surface of the sieve plate, the brush head being driven by a linear drive unit to move along the length direction of the sieve plate; The brush head includes a shell, a body, a lower cover plate, and an elastic element. The shell has a closed upper end and an open lower end. The lower opening of the shell is sealed by the lower cover plate. The body is slidably installed in the shell along the vertical direction. The lower surface of the body is provided with a protruding ridge, and brush bristles extending downward are fixed on the protruding ridge. The lower surface of the lower cover plate is spaced apart from the upper surface of the sieve plate. The lower cover plate is provided with a guide groove that runs vertically through the shell. The protruding ridge slides in conjunction with the guide groove. The elastic element is disposed in the shell and can press down on the body to make the brush bristles extend out of the guide groove and contact the sieve plate.

2. The impurity cleaning device for the screen plate surface of a cleaning machine according to claim 1, characterized in that: The end of the sieve plate facing the linear drive unit has no sieve holes.

3. The impurity cleaning device for the screen plate surface of a cleaning machine according to claim 2, characterized in that: The upper surface of the end of the sieve plate without sieve holes is covered with a sealing gasket.

4. A device for cleaning impurities from the surface of a sieve plate in a cleaning machine according to claim 2 or 3, characterized in that: The linear drive unit has drive blocks on both sides. The outer shell and the main body are respectively provided with an insertion port and a drive groove that cooperate with the drive blocks. The upper side wall of the drive groove is formed with a first inclined surface. The upper front end of the drive block is provided with a second inclined surface. When the drive block is inserted into the drive groove, the main body is lifted by the cooperation of the first and second inclined surfaces.

5. The impurity cleaning device for the screen plate surface of a cleaning machine according to claim 1, characterized in that: The elastic element is a spring. The inner side of the top wall of the outer shell is provided with a positioning post, and the top wall of the main body is provided with a positioning groove. The upper end of the spring is sleeved on the positioning post, and its lower end is received in the positioning groove.

6. The impurity cleaning device for the screen plate surface of a cleaning machine according to claim 1, characterized in that: The linear drive unit is a cylinder or an electric push rod.

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