Scraper conveyer

Abstract

The utility model relates to the field of scraper conveyors, and discloses a scraper conveyor which comprises a machine box, two sets of chains are installed in the machine box, the two sets of chains are used for being connected to the outer portions of transmission rollers at the two ends in the machine box, a scraping mechanism is installed outside the chains, a discharging mechanism is installed at the rear end of the machine box, and a conveying mechanism is installed at the rear end of the machine box. And the scraping mechanism comprises a plurality of fixing plates, the fixing plates are fixedly installed on the outer walls of the two sets of chains correspondingly, three fixing pipes are fixedly installed at the tops of the fixing plates, scraping plates are movably installed at the bottoms of the fixing plates in a penetrating mode, and protruding blocks are installed at the tops of the scraping plates and located in the fixing plates. Through stretching and retracting of the scraping plate, the scraping plate can make adaptive contact with the inner wall of the bottom end of the machine box, and abrasion between the scraping plate and the inner wall of the machine box is reduced; and through the sieve plate and the baffle, fine particles in the materials can be screened out, and meanwhile direct conveying and discharging of the materials are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of scraper conveyors, specifically a scraper conveyor. Background Technology

[0002] A scraper conveyor is a continuous conveying device that transports powdery, granular, and lumpy bulk materials in a closed rectangular shell using a moving scraper chain. It is widely used in chemical, metallurgical, machinery, grain, and hydropower industries.

[0003] The publication number CN220683793U discloses a scraper conveyor, including a scraper conveyor body, wherein a feeding mechanism is fixedly connected to the upper left part of the scraper conveyor body.

[0004] The aforementioned scraper conveyor is easy to adjust the angle of the scraper conveyor, but the scraper blade is prone to wear due to long-term friction with the inner wall of the bottom of the casing, which makes it difficult for the scraper blade to adapt to extension and retraction. Moreover, after wear, there is a gap between the scraper blade and the inner wall of the bottom of the casing, which affects the conveying of materials. At the same time, fine particles in the material, such as dust, are discharged at the same time as the material, making it inconvenient to automatically screen out the fine particles after discharge. Utility Model Content

[0005] The purpose of this utility model is to provide a scraper conveyor to solve the technical problems in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A scraper conveyor includes a housing. Two sets of chains are installed inside the housing, connecting to drive rollers at both ends of the housing. A scraping mechanism is installed outside the chains. A discharge mechanism is installed at the rear end of the housing. The scraping mechanism includes several fixed plates, each connected to the outer ring of the two sets of chains. Three fixed tubes are screwed to the top of each fixed plate. A scraper plate is movably installed through the bottom of the fixed plate. A protrusion is installed on the top of the scraper plate, inside the fixed plate. Three guide posts are screwed to the top of the protrusion. Springs are installed on the top of the guide posts, inside the fixed tubes.

[0008] Preferably, several fixing plates are screwed onto the outer ring of the two sets of chains and arranged at equal intervals. Three fixing tubes are located at the top center and both ends of the fixing plates, and are threadedly connected to the fixing plates.

[0009] Preferably, the scraper and the protrusion are arranged in a "T" shape in cross-section, and the scraper is slidably inserted into the bottom of the fixed plate.

[0010] Preferably, each of the guide posts is threadedly connected to the top of the protrusion, and the guide post slides between the top of the fixing plate and the bottom of the fixing tube.

[0011] Preferably, the discharge mechanism includes a screen plate and a baffle plate. The screen plate is fixedly installed at the rear of the machine box, and the baffle plate is movably installed at the bottom of the screen plate. Several sealing blocks are provided on the top of the baffle plate, and a fixing bolt is connected to the bottom of the baffle plate near the front end. A screw hole is opened at the bottom of the screen plate near the front end.

[0012] Preferably, the screen plate is located at the rear of the machine housing and is inclined, and the rear end of the baffle is connected to the screen plate by a hinge.

[0013] Preferably, the sealing block matches the sieve holes in the sieve plate, and the top of the fixing bolt is threadedly connected to the screw hole.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1) This scraper conveyor, by setting up a scraping mechanism, the guide column drives the scraper to extend downward under the action of the spring. Through the extension and retraction of the scraper, the scraper can make adaptive contact with the inner wall of the bottom of the machine box, reducing the wear between the scraper and the inner wall of the machine box. At the same time, after the bottom of the scraper is worn and shortened over a long period of time, the scraper can always be in close contact with the inner wall of the bottom of the machine box, so as to facilitate better material conveying.

[0016] 2) This scraper conveyor, by setting a discharge mechanism, the baffle rotates and opens to separate from the screen plate. Through the screen plate, fine particles in the material can be screened out, improving the quality of the material. The baffle is attached to the bottom of the screen plate, and the blocking block blocks the screen holes in the screen plate, which facilitates the direct conveying and discharge of the material. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a scraper conveyor according to an embodiment of the present invention.

[0018] Figure 2 This is a schematic diagram of the scraping mechanism in an embodiment of the present invention.

[0019] Figure 3 This is a schematic diagram of the internal structure of the fixing plate in an embodiment of this utility model.

[0020] Figure 4 This is a schematic diagram of the material discharge mechanism in an embodiment of this utility model.

[0021] In the diagram: 1. Chassis; 2. Chain; 3. Scraping mechanism; 4. Discharge mechanism; 5. Fixing plate; 6. Fixing pipe; 7. Scraping plate; 8. Protrusion; 9. Guide post; 10. Spring; 11. Screen plate; 12. Baffle; 13. Sealing block; 14. Fixing bolt; 15. Screw hole. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] Combination Figures 1-4 A scraper conveyor includes a housing 1, inside which two sets of chains 2 are installed. The two sets of chains 2 are used to connect to the outside of the drive rollers at both ends inside the housing 1. A scraping mechanism 3 is installed on the outside of the chains 2. A discharge mechanism 4 is installed at the rear end of the housing 1.

[0025] See Figure 2 and Figure 3 Furthermore, the scraping mechanism 3 includes several fixed plates 5, which are respectively connected and installed on the outer ring of two sets of chains 2. Three fixed tubes 6 are screwed to the top of the fixed plate 5, and a scraper 7 is movably installed through the bottom of the fixed plate 5. A protrusion 8 is installed on the top of the scraper 7 and inside the fixed plate 5. Three guide posts 9 are screwed to the top of the protrusion 8, and a spring 10 is installed on the top of the guide posts 9 and inside the fixed tube 6.

[0026] Several fixing plates 5 are screwed onto the outer ring of two sets of chains 2 and arranged at equal intervals. Three fixing tubes 6 are located at the top center and both ends of the fixing plates 5 respectively, and are threadedly connected to the fixing plates 5. The fixing plates 5 are bolted to the outer ring of the chains 2 and move synchronously with the chains 2, so that the bottom end of the scraper 7 contacts the inner wall of the bottom end of the machine box 1 to scrape the material.

[0027] The scraper 7 and the protrusion 8 are arranged in a "T" shape in cross section. The scraper 7 is horizontally inserted into the bottom of the fixed plate 5 and is slidably arranged. Both ends of the fixed plate 5 are connected to baffles by bolts to prevent the protrusion 8 from sliding out laterally. The protrusion 8 prevents the scraper 7 from falling out, so that the scraper 7 can slide up and down.

[0028] Each guide post 9 is threadedly connected to the top of the protrusion 8. The guide post 9 slides between the top of the fixed plate 5 and the bottom of the fixed tube 6. The bottom end of the guide post 9 is threadedly connected to the protrusion 8 and the bottom end of the fixed tube 6 is threadedly connected to the top of the fixed plate 5. The guide post 9 drives the scraper 7 to descend through the spring 10, so that the scraper 7 makes adaptive contact with the inner wall of the bottom of the machine box 1.

[0029] Specifically, when the scraper 7 is driven to the bottom of the housing 1, the material is conveyed to the rear end through the scraper 7. Under the action of the spring 10, the guide post 9 drives the scraper 7 to descend. The bottom end of the scraper 7 contacts the inner wall of the bottom end of the housing 1 and retracts upward, which enables the scraper 7 to make adaptive contact with the inner wall of the bottom end of the housing 1 and reduces the wear between the scraper 7 and the inner wall of the housing 1.

[0030] Example 2

[0031] See Figure 4 Furthermore, based on Embodiment 1, the discharge mechanism 4 includes a screen plate 11 and a baffle plate 12. The screen plate 11 is fixedly installed at the rear of the housing 1, and the baffle plate 12 is movably installed at the bottom of the screen plate 11. Several blocking blocks 13 are provided on the top of the baffle plate 12, and a fixing bolt 14 is connected to the bottom of the baffle plate 12 near the front end. A screw hole 15 is opened at the bottom of the screen plate 11 near the front end. The rear of the housing 1 is open, and the opening is the discharge port. The material is discharged to the rear end through the inclined screen plate 11.

[0032] The screen plate 11 is located at the rear of the housing 1 and is inclined. The rear end of the baffle 12 is connected to the screen plate 11 by a hinge. The screen plate 11 is used to screen out fine particles in the material and discharge the material through the inclined screen plate 11.

[0033] The sealing block 13 matches the screen holes in the screen plate 11. The top of the fixing bolt 14 is threadedly connected to the screw hole 15. The baffle 12 is fixed to the bottom of the screen plate 11. The screen holes in the screen plate 11 are sealed by the sealing block 13.

[0034] Specifically, the material is discharged from the rear opening of the machine box through the screen plate 11. The screen plate 11 filters out the fine particles in the material. When the baffle 12 is attached to the bottom of the screen plate 11, the blocking block 13 blocks the screen holes in the screen plate 11. The baffle 12 is fixed by the connection between the fixing bolt 14 and the screw hole 15 so that all the material can be discharged.

[0035] In actual operation, the transmission rollers at the front end inside the casing 1 are driven to rotate by an external motor. Two sets of chains 2 are connected to the outside of the two transmission rollers inside the casing 1. The transmission rollers drive the chains 2 and the fixed plate 5 to move, so that the scraper 7 conveys the material to the rear end for discharge.

[0036] When scraping material, as the scraper plate 7 is driven to the bottom of the housing 1, the guide post 9 drives the scraper plate 7 to descend under the action of the spring 10. The bottom end of the scraper plate 7 contacts the inner wall of the bottom end of the housing 1 and retracts upward, which enables the scraper plate 7 to make adaptive contact with the inner wall of the bottom end of the housing 1, reducing the wear between the scraper plate 7 and the inner wall of the housing 1. At the same time, after the bottom end of the scraper plate 7 is worn and shortened over a long period of time, the scraper plate 7 slides downward to contact the inner wall of the bottom end of the housing 1, so as to facilitate better material conveying.

[0037] During discharge, the rear of the casing 1 is open, and the material is discharged from the rear opening through the inclined screen plate 11. When screening dust particles, the rotating baffle 12 disengages from the screen plate 11, thereby opening the screen holes in the screen plate 11. Fine particles in the material can be screened out through the screen plate 11. When the baffle 12 is attached to the bottom of the screen plate 11, the blocking block 13 blocks the screen holes in the screen plate 11. The baffle 12 is fixed by the connection between the fixing bolt 14 and the screw hole 15 to facilitate the direct conveying and discharge of the material.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A scraper conveyor, comprising a housing (1), wherein two sets of chains (2) are installed inside the housing (1), the two sets of chains (2) being used to connect to the outside of drive rollers at both ends inside the housing (1), characterized in that: A scraping mechanism (3) is installed on the outside of the chain (2), and a discharge mechanism (4) is installed at the rear end of the chassis (1). The scraping mechanism (3) includes several fixed plates (5), which are respectively connected to the outer ring of two sets of chains (2). Three fixed tubes (6) are screwed to the top of the fixed plate (5), and a scraper (7) is movably installed through the bottom of the fixed plate (5). A protrusion (8) is installed on the top of the scraper (7) and inside the fixed plate (5). Three guide posts (9) are screwed to the top of the protrusion (8), and a spring (10) is installed on the top of the guide post (9) and inside the fixed tube (6).

2. The scraper conveyor according to claim 1, characterized in that: Several fixing plates (5) are screwed onto the outer ring of two sets of chains (2) and arranged at equal intervals. Three fixing tubes (6) are located at the top center and both ends of the fixing plates (5) respectively, and are threadedly connected to the fixing plates (5).

3. A scraper conveyor according to claim 1, characterized in that: The cross-sections of the scraper (7) and the protrusion (8) are arranged in a "T" shape, and the scraper (7) is horizontally inserted into the bottom of the fixed plate (5) in a sliding arrangement.

4. A scraper conveyor according to claim 1, characterized in that: Each of the guide posts (9) is threadedly connected to the top of the protrusion (8), and the guide post (9) slides between the top of the fixing plate (5) and the bottom of the fixing tube (6).

5. A scraper conveyor according to claim 1, characterized in that: The discharge mechanism (4) includes a screen plate (11) and a baffle (12). The screen plate (11) is fixedly installed at the rear of the machine box (1). The baffle (12) is movably installed at the bottom of the screen plate (11). Several sealing blocks (13) are provided on the top of the baffle (12). A fixing bolt (14) is connected to the bottom of the baffle (12) near the front end. A screw hole (15) is opened at the bottom of the screen plate (11) near the front end.

6. A scraper conveyor according to claim 5, characterized in that: The screen plate (11) is located at the rear of the machine box (1) and is inclined. The rear end of the baffle (12) is connected to the screen plate (11) by a hinge.

7. A scraper conveyor according to claim 5, characterized in that: The sealing block (13) matches the sieve holes in the sieve plate (11), and the top of the fixing bolt (14) is threadedly connected to the screw hole (15).

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