Rotary drum type grillage machine
By designing a reciprocating motion structure that coordinates the scraper with the positioning strip and a spring reset assembly, the problem of dirt adsorption on the surface of the scraper of the rotary drum bar screen is solved, achieving automatic cleaning and improved stability, thus enhancing the cleaning effect.
Patent Information
- Application Number
- CN202423091314.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-16
AI Technical Summary
The existing rotary drum bar screen has a fixed scraper structure, which makes it easy for dirt to adhere to the scraper surface, resulting in difficult cleaning and the solidification of impurities, thus affecting the cleaning effect.
A reciprocating motion structure with multiple sets of scrapers and positioning strips was designed. The rotating ring drives the mounting plate to move the scrapers inside the filter screen, and the spring reset assembly realizes the reciprocating motion and rapid reset of the scrapers. Combined with the collection tank to collect impurities, automatic cleaning is achieved.
It improves the cleaning effect and repositioning stability of the scraper, solves the problem of dirt adsorption on the scraper surface, realizes rapid cleaning of impurities inside the filter screen and on the scraper surface, and enhances cleaning stability.
Smart Images

Figure CN223586724U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a drum type grating machine technical field, concretely is a drum type grating machine. BACKGROUND
[0002] The drum type spiral grating machine is also called spiral fine grating, is a kind of front sewage treatment process, is applicable to urban sewage, industrial wastewater and domestic sewage treatment engineering, intercepts the floating object in water, collects sewage interception, spiral lifting, and the grating decontamination in one, is the current advanced fine grating decontamination machine.
[0003] The existing drum type grating machine is to adopt the scraper to rotate in the cylindrical filter screen inside, the particle on the surface of filter screen and part of the sediment at the bottom are cleaned, but the existing scraper is fixed structure, part of dirt is adsorbed on the surface of scraper when rotating, is inconvenient to clean, and the impurities on the surface of scraper solidification problem occurs for a long time. UTILITY MODEL CONTENTS
[0004] The utility model discloses a drum type grating machine to solve the problem in the above background technique.
[0005] To achieve the above object, the utility model provides the following technical scheme: a drum type grating machine, including filter screen, the inboard of filter screen is fixedly connected with the location strip near the top position, the location strip has multiple groups and is in the shape of fan array inboard near the top position of filter screen, the inside of filter screen is slidably connected with scraper, the scraper has multiple groups and is in the shape of circumferential array in the inside of filter screen, one side of the scraper is rotatably connected with rotating shaft, the rotating shaft is rotatably connected with mounting plate on the side away from the scraper, the inboard of filter screen is fixedly connected with collecting groove near the top position, the collecting groove has multiple groups and is in the shape of fan setting, the side away from the scraper of mounting plate is provided with sliding assembly.
[0006] Preferably, the sliding assembly includes a sliding rod, the sliding rod is fixedly connected to the side of the scraper near the mounting plate, the sliding rod is fixedly connected with a limit plate on the outside away from the scraper, and the sliding rod is provided with a reset assembly on the outside.
[0007] Preferably, the reset assembly includes a spring, the spring is arranged on the outside of the sliding rod, one end of the spring is fixedly connected to the side of the limit plate near the mounting plate, and the end of the spring away from the limit plate is fixedly connected to the side of the mounting plate.
[0008] Preferably, the side away from the spring of the limit plate is abutted with a positioning plate, the side near the limit plate of the positioning plate is fixedly connected with a support rod, the support rod has multiple groups and is in the shape of circumferential array setting, and the support rod is fixedly connected to the side of the mounting plate.
[0009] Preferably, the mounting plate is fixedly connected with a rotating ring away from one end of the filter screen, and the rotating ring is provided with a collecting assembly away from one side of the spiral rod.
[0010] Preferably, the collecting assembly comprises a collecting groove arranged inside the rotating ring, and the positioning strips are arranged in a plurality of groups in a fan array close to the top position on the inner side of the filter screen.
[0011] Compared with the prior art, the beneficial effects of the utility model are that: the mounting plate is driven to rotate through the rotating ring, the mounting plate drives the scraper to scrape inside the filter screen, when the scraper reaches the position of the positioning strip, the positioning strip drives the scraper to rotate along the rotating shaft, and the spring drives the limiting plate and the sliding rod to pull the scraper to reset, thereby forming reciprocating motion, realizing the effect of cleaning the surface of the scraper, solving the problem that part of dirt is adsorbed on the surface of the fixed scraper when rotating, which is inconvenient to clean, and the impurities on the surface of the scraper are solidified for a long time, and improving the cleaning effect of the scraper itself. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is an overall structure schematic view of the utility model;
[0013] Figure 2 It is an overall cross-sectional structure schematic view of the utility model;
[0014] Figure 3 It is a Figure 2 enlarged structure schematic view of A in the utility model;
[0015] Figure 4 It is a positioning plate cross-sectional structure schematic view of the utility model;
[0016] Figure 5 It is a Figure 4 enlarged structure schematic view of B in the utility model.
[0017] In the drawings, the component list represented by each sign is as follows: 1, filter screen; 2, positioning strip; 3, scraper; 4, rotating shaft; 5, mounting plate; 6, sliding rod; 7, spring; 8, limiting plate; 9, positioning plate; 10, supporting rod; 11, rotating ring; 12, collecting groove; 13, spiral rod. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0019] The utility model provides a technical scheme: like Figures 1-5 A drum type grating machine shown in the figure, including filter screen 1, the inside of filter screen 1 is close to the top position fixedly connected with locating strip 2, locating strip 2 has multiple groups of fan-shaped array in the inside of filter screen 1 close to the top position, the inside of filter screen 1 is slidably connected with scraper 3, scraper 3 has multiple groups of circumferential array in the inside of filter screen 1, scraper 3 one side is rotatably connected with rotating shaft 4, rotating shaft 4 is rotatably connected with mounting plate 5 on the side away from scraper 3, the inside of filter screen 1 is close to the top position fixedly connected with collecting groove 12, collecting groove 12 has multiple groups of fan-shaped settings, mounting plate 5 is provided with sliding assembly on the side away from scraper 3, and sliding assembly includes sliding rod 6, and sliding rod 6 is fixedly connected on the side of scraper 3 close to mounting plate 5, and the outside of sliding rod 6 is fixedly connected with limit plate 8 on the position away from scraper 3, and reset assembly is arranged on the outside of sliding rod 6.
[0020] When working, mounting plate 5 is driven to rotate through rotating ring 11, and mounting plate 5 will drive scraper 3 to scrape in the inside of filter screen 1, when scraper 3 reaches the position of locating strip 2, locating strip 2 will drive scraper 3 to rotate along rotating shaft 4, and reset assembly will make sliding rod 6 pull scraper 3 to reset, thereby forming reciprocating motion, the effect of cleaning the surface of scraper 3 is realized, the existing scraper 3 is fixed structure, and the surface of scraper 3 is adsorbed with part of dirt when rotating, so that the surface of scraper 3 is not cleaned, and the problem of solidification of impurities on the surface of scraper 3 is solved, and the automatic cleaning effect of scraper 3 is improved.
[0021] Please refer to Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , the reset assembly includes spring 7 in the diagram, spring 7 is arranged on the outside of sliding rod 6, one end of spring 7 is fixedly connected on the side of limit plate 8 close to mounting plate 5, the end of spring 7 away from limit plate 8 is fixedly connected on the side of mounting plate 5, the side of limit plate 8 away from spring 7 is abutted with locating plate 9, locating plate 9 is fixedly connected with support rod 10 on the side close to limit plate 8, support rod 10 has multiple groups of circumferential array settings, and support rod 10 is fixedly connected on the side of mounting plate 5.
[0022] When working, when scraper 3 rotates along rotating shaft 4 after meeting locating strip 2, support rod 10 will be compressed, and limit plate 8 and sliding rod 6 slide along support rod 10, when scraper 3 is separated from locating strip 2, support rod 10 resets to push limit plate 8 and sliding rod 6 to reset, so that sliding rod 6 returns to the inside of locating plate 9, the effect of quick reset is realized, the problem that the single rotation of scraper 3 and rotating shaft 4 leads to poor reset effect is solved, and the stability of the reset of scraper 3 is improved.
[0023] Please refer to Figure 1 and Figure 2The mounting plate 5 is fixedly connected with the rotating ring 11 away from one end of the filter screen 1 in the drawing, the rotating ring 11 is provided with a collecting assembly away from one side of the spiral rod 13, the collecting assembly comprises a collecting groove 12, the collecting groove 12 is arranged inside the rotating ring 11, and the positioning strips 2 are arranged in a fan-shaped array and close to the top position on the inner side of the filter screen 1.
[0024] In work, the mounting plate 5 is driven to rotate by the rotating ring 11, so that the scraped particles and impurities are transmitted into the collecting groove 12 when the scraper 3 is perpendicular to the collecting groove 12, and the impurities falling into the collecting groove 12 are discharged by the rotation of the spiral rod 13, so that the filter screen 1 and the surface of the scraper 3 can be quickly cleaned, and the cleaning stability is improved.
[0025] The working principle is that the mounting plate 5 is driven to rotate by the rotating ring 11, the scraper 3 is scraped in the filter screen 1, the positioning strip 2 drives the scraper 3 to rotate along the rotating shaft 4 when the scraper 3 reaches the positioning strip 2, and the reset assembly resets the scraper 3 by the sliding rod 6, so that the reciprocating motion is formed, the surface cleaning effect of the scraper 3 is realized, the existing scraper 3 is a fixed structure, and part of the dirt is adsorbed on the surface of the scraper 3 during rotation, which is inconvenient to clean, and the problem of solidification of impurities on the surface of the scraper 3 is solved, the automatic cleaning effect of the scraper 3 is improved, the supporting rod 10 is compressed when the scraper 3 rotates along the rotating shaft 4 after meeting the positioning strip 2, the limiting plate 8 and the sliding rod 6 slide along the supporting rod 10, the supporting rod 10 resets the limiting plate 8 and the sliding rod 6 after the scraper 3 is separated from the positioning strip 2, the sliding rod 6 is reset to the inside of the positioning plate 9, the fast reset effect is realized, the single rotation of the scraper 3 and the rotating shaft 4 in the prior art is solved, the reset stability of the scraper 3 is improved, the mounting plate 5 is driven to rotate by the rotating ring 11, so that the scraped particles and impurities are transmitted into the collecting groove 12 when the scraper 3 is perpendicular to the collecting groove 12, and the impurities falling into the collecting groove 12 are discharged by the rotation of the spiral rod 13, so that the filter screen 1 and the surface of the scraper 3 can be quickly cleaned, and the cleaning stability is improved.
[0026] It should be noted that, in this article, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0027] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A drum grader comprising a filter screen (1), characterised in that: The inside of the filter screen (1) is fixedly connected with a positioning strip (2) near the top position, the positioning strip (2) has a plurality of groups in a fan-shaped array near the top position of the inside of the filter screen (1), the inside of the filter screen (1) is slidably connected with a scraper (3), the scraper (3) has a plurality of groups in a circumferential array inside the filter screen (1), one side of the scraper (3) is rotatably connected with a rotating shaft (4), the rotating shaft (4) is rotatably connected with a mounting plate (5) away from one side of the scraper (3), the inside of the filter screen (1) is fixedly connected with a collecting groove (12) near the top position, the collecting groove (12) has a plurality of groups arranged in a fan shape, and the mounting plate (5) is provided with a sliding assembly away from one side of the scraper (3).
2. A drum grille according to claim 1, characterised in that: The sliding assembly comprises a sliding rod (6), the sliding rod (6) is fixedly connected to one side of the scraper (3) close to the mounting plate (5), a limiting plate (8) is fixedly connected to the outside of the sliding rod (6) away from the scraper (3), and a reset assembly is arranged on the outside of the sliding rod (6).
3. A drum grille according to claim 2, wherein: The reset assembly comprises a spring (7), the spring (7) is arranged on the outside of the sliding rod (6), one end of the spring (7) is fixedly connected to one side of the limiting plate (8) close to the mounting plate (5), and the other end of the spring (7) is fixedly connected to one side of the mounting plate (5) away from the limiting plate (8).
4. A drum grille according to claim 3, wherein: The limiting plate (8) is abutted with a positioning plate (9) away from one side of the spring (7), the positioning plate (9) is fixedly connected with a support rod (10) close to one side of the limiting plate (8), the support rod (10) has a plurality of groups arranged in a circumferential array, and the support rod (10) is fixedly connected to one side of the mounting plate (5).
5. A drum grille according to claim 4, wherein: The mounting plate (5) is fixedly connected with a rotating ring (11) away from one end of the filter screen (1), and the rotating ring (11) is provided with a collecting assembly away from one side of the screw rod (13).
6. A drum grille according to claim 5, wherein: The collecting assembly comprises a collecting groove (12), and the collecting groove (12) is arranged inside the rotating ring (11).