CN219602448U - Rotary scraping plate mechanism - Google Patents

Abstract

The utility model discloses a rotary scraping plate mechanism, and belongs to the technical field of material conveying. The scraping plate mechanism of the utility model comprises a first rotating shaft and a second rotating shaft which are connected with each other, and is characterized in that: the first rotating shaft is provided with a first scraping plate, the first scraping plate is connected with the first rotating shaft through a first connecting plate, and the first connecting plate is an arc-shaped plate matched with the inner wall of the cylinder; and a second scraping plate is arranged on the second rotating shaft. The utility model can not only effectively clean the adhesive material on the inner wall of the cylinder body, thereby ensuring the normal conveying of the material; in addition, the whole scraper mechanism has good strength, and can effectively prevent the influence caused by thermal expansion.

Description

Rotary scraping plate mechanism

Technical Field

The utility model belongs to the technical field of material conveying, and particularly relates to a rotary scraping plate mechanism.

Background

When the feeder feeds the cylinder, the inner wall of the cylinder is easy to be stuck with materials, so that uniform feeding of the materials cannot be ensured, and even a large amount of materials are accumulated to influence normal conveying of the materials. The existing screw type scraping plate is often adopted to clean materials adhered to the inner wall, so that normal conveying of the materials is ensured. However, the spiral scraping plate has the defects that the spiral scraping plate is easy to adhere materials, and the adhesive materials on the inner wall are not thoroughly cleaned.

Through retrieving, chinese patent application number 202020475564.1's application discloses a screw conveyer ejection of compact scraping device, the inside spirochaeta that has of its casing, the spirochaeta includes spiral main shaft and helical blade, casing entrance and exit are provided with feed inlet and discharge gate respectively, be equipped with ejection of compact scraping mechanism above the discharge gate, ejection of compact scraping mechanism includes scraper blade, backup pad and flange, the backup pad welds on the flange, scraper blade connection is in the backup pad, the scraper blade bottom is located the main shaft top of spirochaeta, the helical main shaft rotates and drives helical blade and rotate and push the material towards the discharge gate by the feed inlet, the scraper blade scrapes down the material that glues on spiral main shaft and helical blade and drives the direction motion of material towards the discharge gate together. The scraper in this application, although being capable of scraping off the adhesive on the spiral spindle and the spiral blade, is not capable of effectively cleaning the material on the inner wall of the cylinder.

Disclosure of Invention

1. Problems to be solved

In view of at least some of the above problems in the prior art, the present utility model is directed to a rotary squeegee mechanism. By adopting the technical scheme of the utility model, the adhesive on the inner wall of the cylinder can be effectively cleaned, so that the normal conveying of materials is ensured.

2. Technical proposal

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

the utility model relates to a rotary scraping plate mechanism, which comprises a first rotating shaft and a second rotating shaft which are connected with each other, wherein a first scraping plate is arranged on the first rotating shaft, the first scraping plate is connected with the first rotating shaft through a first connecting plate, and the first connecting plate is an arc-shaped plate matched with the inner wall of a cylinder body; and a second scraping plate is arranged on the second rotating shaft.

Further, the first rotating shaft is provided with the shaft sleeve, one end of the first connecting plate is connected with the first scraping plate, the other end of the first connecting plate is fixedly sleeved on the shaft sleeve, and then the first connecting plate and the shaft sleeve are welded in a whole circle, so that the welding strength between the first connecting plate and the shaft sleeve is greatly improved.

Further, a reinforcing rib is arranged between the first scraping plate and the first connecting plate.

Further, the first rotating shaft is connected with the second rotating shaft through a shaft coupling, a baffle is arranged in the shaft coupling, and a space is reserved between the baffle and the end part of the second rotating shaft extending into the shaft coupling, so that the thermal expansion influence of the rotating shaft in the operation process can be effectively counteracted.

Further, a mounting hole is formed in the second scraping plate, and the second scraping plate is connected with a second connecting plate through the mounting hole.

Further, the mounting holes are waist-shaped holes, and the second connecting plate is connected with the second scraping plate through the 3 waist-shaped holes, so that breakage between the second scraping plate and the second connecting plate caused by thermal expansion can be effectively prevented.

Further, the second rotating shaft is also connected with a supporting component, the supporting component comprises a bearing and a supporting plate, the bearing is arranged on the second rotating shaft, and the supporting plate is connected with the bearing through a bearing seat support.

Further, the supporting plate is sleeved with the sliding block, the sliding block can slide up and down during operation, and materials adhered to the supporting plate can be effectively cleaned.

Further, the connecting part of the bearing seat support and the bearing is an arc-shaped plate, so that the connection firmness between the bearing seat support and the bearing can be ensured.

Furthermore, the bearing is a high-sulfur alloy self-lubricating bearing, which is high-temperature resistant, does not need manual oiling lubrication and has long service life.

3. Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) The rotary scraping plate mechanism comprises a first scraping plate and a second scraping plate, wherein the first scraping plate and the second scraping plate are arc-shaped plates matched with the inner wall of the cylinder body, so that the scraping plate and the inner wall of the cylinder body can be tightly attached, and a better scraping effect can be achieved; meanwhile, a connecting plate for connecting the scraping plate is sleeved on the shaft sleeve firstly, and then is welded with the shaft sleeve in a whole circle; compared with the traditional direct welding mode, the welding mode greatly ensures the welding strength, so that the front scraper assembly is not easy to break when rotating in the cylinder body, and the service life of the front scraper assembly can be prolonged.

(2) According to the rotary scraping plate mechanism, the second scraping plate is connected with the second connecting plate through the waist-shaped holes in a bolt mode, compared with a traditional welding mode, the design can effectively offset part of thermal expansion, and therefore breakage between the second scraping plate and the second connecting plate caused by thermal expansion is prevented.

(3) According to the rotary scraping plate mechanism, the first rotating shaft is connected with the second rotating shaft through the coupler, and the baffle is arranged in the coupler, a certain distance is reserved between the baffle and the end part of the second rotating shaft extending into the coupler, so that the influence of thermal expansion can be effectively counteracted when the rotating shaft is subjected to thermal expansion in the operation process.

(4) According to the rotary scraping plate mechanism, the sliding block is arranged on the supporting plate in the rear scraping plate assembly, and can slide up and down in the working process, so that materials adhered on the supporting plate can be effectively cleaned; meanwhile, in the rear scraper assembly, the connecting part in the bearing seat support is welded by adopting a plate with radian, and the design can prevent the rear scraper assembly from breaking after being heated and expanded.

Drawings

FIG. 1 is a schematic view of the overall structure of a rotary squeegee mechanism of the present utility model;

fig. 2 is a schematic diagram showing the connection of the support plates in the present utility model.

In the figure: 11. a first rotation shaft; 12. a first scraper; 13. a first connection plate; 14. a shaft sleeve; 15. reinforcing ribs;

21. a second rotation shaft; 22. a second scraper; 221. a mounting hole; 23. a second connecting plate; 3. a baffle;

41. a bearing; 42. a support plate; 43. a bearing seat support; 44. an arc-shaped plate; 45. a sliding block.

Detailed Description

The utility model is further described below in connection with specific embodiments.

The rotary scraper mechanism of the embodiment comprises a front scraper assembly and a rear scraper assembly. The front scraper assembly is used for cleaning materials adhered to the inner cylinder wall at the feed inlet end of the cylinder body, and the rear scraper assembly is distributed along the axial direction of the cylinder body and used for timely cleaning the materials on the inner wall of the cylinder body.

The front squeegee assembly includes a first rotation shaft 11, a first squeegee 12 and a first connecting plate 13. Wherein, the first rotating shaft 11 is sleeved with a shaft sleeve 14, one end of the first connecting plate 13 is sleeved on the shaft sleeve 14, and the other end is connected with the first scraping plate 12. In this embodiment, the first connecting plate 13 is first sleeved on the shaft sleeve 14, and then welded in a whole circle. Compared with the traditional direct welding mode, the welding mode of the embodiment greatly ensures the welding strength, so that the front scraper assembly is not easy to break when rotating in the cylinder body. In addition, the first scraping plate 12 is an arc-shaped plate matched with the inner body of the cylinder, so that the first scraping plate 12 and the inner wall of the cylinder can be tightly attached, and a better scraping effect can be achieved. In addition, in order to further improve the connection strength between the first scraper 12 and the first connecting plate 13 and prevent the detachment phenomenon between the first scraper 12 and the first connecting plate 13, a plurality of reinforcing ribs 15 are further disposed between the first scraper 12 and the first connecting plate 13.

The rear scraper assembly comprises a second rotating shaft 21, a second scraper 22 and a second connecting plate 23. One end of the second connecting plate 23 is connected to the second rotating shaft 21, and the other end is connected to the second scraper 22. The connection between the second connection plate 23 and the second rotation shaft 21 may be a connection mode in the front scraper assembly, and the contact surface between the second scraper 22 and the inner wall of the cylinder is also arc-shaped.

To further strengthen the connection strength of the rear screed assembly, the second screed 22 is connected with two second connecting plates 23. Specifically, the second scraper 22 is provided with a mounting hole 221, the mounting hole 221 is a kidney-shaped hole, and then the connection between the second scraper 22 and the second connecting plate 23 is completed through a bolt. This connection enables the second blade 22 to effectively cancel out part of the thermal expansion, compared to conventional direct welding, thereby preventing breakage between the second blade 22 and the second connection plate 23 due to the thermal expansion.

The first rotating shaft 11 is connected with the second rotating shaft 21 through a coupler, and a baffle plate 3 is designed in the coupler. The baffle 3 is spaced from the end of the second rotary shaft 21 extending into the coupling. By the design, the influence of thermal expansion on the rotating shaft in the running process can be effectively eliminated.

The rotary scraping plate mechanism of the embodiment further comprises a supporting component, wherein the supporting component comprises a bearing 41 and a supporting plate 42. Wherein, the bearing 41 is sleeved on the second rotating shaft 21, one end of the supporting plate 42 is connected with the inner wall of the cylinder, and the other end is connected with the bearing 41 through the bearing seat support 43. The connecting part of the bearing seat support 43 and the bearing 41 is welded by adopting an arc-shaped plate 44, so that the bearing seat support can avoid fracture after being heated and expanded.

In particular, in this embodiment, the bearing 41 is a high-sulfur alloy self-lubricating bearing, which is not only high-temperature resistant, but also is not manually lubricated by oiling. In addition, the support plate 42 is also sleeved with a sliding block 45. The sliding block 45 can slide up and down in operation, so that the material adhered to the supporting plate 42 can be effectively cleaned.

According to the rotary scraping plate mechanism, through the arrangement of the front scraping plate component and the rear scraping plate component, materials adhered to the inner wall of the cylinder body can be cleaned efficiently. Meanwhile, the strength of the whole scraper mechanism is better, and the scraper mechanism cannot be easily deformed and broken after being heated and expanded. In addition, through the setting of supporting component, can carry out stable support to carrying out the second axis of rotation 21, prevent the deformation of axis of rotation and influence the normal work of whole scraper blade mechanism.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (10)

1. A rotary squeegee mechanism comprising a first rotational shaft (11) and a second rotational shaft (21) which are connected to each other, characterized in that: the first rotating shaft (11) is provided with a first scraping plate (12), the first scraping plate (12) is connected with the first rotating shaft (11) through a first connecting plate (13), and the first connecting plate (13) is an arc-shaped plate matched with the inner wall of the cylinder body; the second rotating shaft (21) is provided with a second scraping plate (22).

2. A rotary squeegee mechanism according to claim 1 wherein: the first rotating shaft (11) is provided with a shaft sleeve (14), one end of the first connecting plate (13) is fixedly sleeved on the shaft sleeve (14), and the other end of the first connecting plate is connected with the first scraping plate (12).

3. A rotary squeegee mechanism according to claim 2 wherein: a reinforcing rib (15) is arranged between the first scraping plate (12) and the first connecting plate (13).

4. A rotary squeegee mechanism according to claim 3 wherein: the first rotating shaft (11) is connected with the second rotating shaft (21) through a coupler, a baffle plate (3) is arranged in the coupler, and a gap is reserved between the baffle plate (3) and the end part of the second rotating shaft (21) extending into the coupler.

5. A rotary squeegee mechanism according to any of claims 1-4, wherein: the second scraping plate (22) is provided with a mounting hole (221), and the second scraping plate (22) is connected with a second connecting plate (23) through the mounting hole (221).

6. A rotary squeegee mechanism according to claim 5 wherein: the mounting holes (221) are waist-shaped holes, and the second connecting plate (23) is connected with the second scraping plate (22) through 3 waist-shaped holes.

7. A rotary squeegee mechanism according to claim 6 wherein: the second rotating shaft (21) is also connected with a supporting component, the supporting component comprises a bearing (41) and a supporting plate (42), the bearing (41) is arranged on the second rotating shaft (21), and the supporting plate (42) is connected with the bearing (41) through a bearing seat support (43).

8. A rotary squeegee mechanism according to claim 7 wherein: the supporting plate (42) is sleeved with a sliding block (45).

9. A rotary squeegee mechanism according to claim 8 wherein: the connecting part of the bearing seat support (43) and the bearing (41) is an arc-shaped plate (44).

10. A rotary squeegee mechanism according to claim 9 wherein: the bearing (41) is a high-sulfur alloy self-lubricating bearing.