Scraper device for cleaning surface of roller

Abstract

A scraper device for cleaning the surface of a roller is used in the field of metallurgical equipment manufacturing. The scraper blade is fixed on a scraper mounting seat on the middle shaft, and the scraper blade is automatically clung to the surface of the roller through a spring arranged between a scraper support and the middle shaft; the middle shaft is rotated through a handle arranged on the middle shaft, so that the scraper device is located at an off-line position, a scraper blade is separated from the surface of the roller, and a fixing device arranged on one side of the middle shaft locks the middle shaft through a locking pin; the middle shaft is fixedly connected with one end of the scraper support through the mounted bearings on the two sides of the middle shaft, the other end of the scraper support is installed on the roller coater support, and the middle shaft penetrates into holes of the mounted bearings and is tightly jacked by screws on the mounted bearings. The scraper device can always cling to the roller surface in a working state, so that residual coating liquid on the roller surface can be cleaned in time through the scraper blade when the roller rotates, the coating quality of a plate strip is greatly improved, and the scraper blade can be conveniently detached, cleaned and replaced when the scraper device is in an off-line position.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgical equipment manufacturing, in particular to a scraper device for cleaning the surface of a roller. Background Art

[0002] With the development of strip coating technology, the use of roller coaters has increased day by day, and the demand for the coating effect of roller coaters has gradually increased. When the strip passes through the support roller, the surface of the support roller carries residual coating liquid, which will have a great impact on the strip. At present, the support roller is not equipped with a scraper device to clean the coating liquid on the surface of the support roller. The support roller without a scraper device has the following defects:

[0003] 1. When the strip passes through the support roller, the coating liquid flows out from the edge of the strip to the surface of the support roller. Due to the long-term accumulation of the coating liquid, the coating liquid will solidify on the surface of the support roller.

[0004] 2. The coating liquid solidified on the surface of the support roller will cause the roller surface to be uneven, which will greatly affect the coating effect of the coating liquid on the plate and strip when the plate and strip pass through the support roller, thus resulting in poor plate quality. Summary of the invention

[0005] In order to overcome the deficiencies of the prior art, the utility model aims to provide a scraper device for cleaning the surface of a roller, so as to clean the coating liquid on the surface of the roller and ensure the coating quality when the strip passes through the support roller.

[0006] To achieve the above-mentioned purpose of the invention, the scraper blade of the scraper device of the utility model is fixed on the scraper mounting seat on the intermediate shaft, and the scraper blade is automatically pressed against the surface of the roller by a spring installed between the scraper support and the intermediate shaft; the intermediate shaft is manually rotated by a handle installed on the intermediate shaft, so that the scraper device is in the offline position, the scraper blade is separated from the surface of the roller, and the fixing device installed on one side of the intermediate shaft locks the intermediate shaft through a locking pin.

[0007] Furthermore, the scraper blade is pressed onto the scraper mounting seat via a pressing plate, and the pressing plate is fixed onto the scraper mounting seat with screws.

[0008] Furthermore, the scraper mounting seats are in multiple groups, which are evenly installed on the intermediate shaft. Each group of scraper mounting seats includes two clamping plates. The contact between the middle part of the two clamping plates of each group of scraper mounting seats and the intermediate shaft is an arc structure that matches the intermediate shaft. The two sides of the two clamping plates are connected by screws to clamp each group of scraper mounting seats on the intermediate shaft, and the clamping plates are fixed to the intermediate shaft via keys.

[0009] Furthermore, the intermediate shaft is fixedly connected to one end of the scraper support through the seat bearings on both sides thereof, and the other end of the scraper support is mounted on the bracket of the roller coater. The intermediate shaft penetrates into the hole of the seat bearing and is tightened with screws on the seat bearing.

[0010] Furthermore, connecting pins are provided on both sides of the intermediate shaft, and one end of the scraper support is connected to the connecting pins by a spring.

[0011] Furthermore, a handle for manually adjusting the intermediate shaft to an installation or offline position is installed on one side of the intermediate shaft, and a pointer for indicating the position of the intermediate shaft is fixed on the end of the intermediate shaft.

[0012] Furthermore, one end of the fixing device is mounted on the bracket of the roller coater, and the contact point between the middle part of the fixing device and the intermediate shaft is an arc structure that matches the intermediate shaft. The fixing device on one side of the arc is provided with a notch, and the other side is a closed structure. The locking pin is connected to the upper and lower threads of the notch. The fixing device can lock the intermediate shaft as the locking pin is screwed into the fixing device to a greater depth, so that the intermediate shaft is fixed after rotation, and a latch for rotating the locking pin is provided at the tail of the locking pin.

[0013] Compared with the prior art, the utility model has a scraper device that can always be in close contact with the roller surface when in working state, so that when the roller rotates, the scraper blade can timely clean the residual coating liquid on the roller surface, greatly improving the coating quality of the plate and strip; at the same time, when the scraper device is in the offline position, the scraper blade can be conveniently disassembled for easy cleaning and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A simplified structural diagram of the utility model.

[0015] Figure 2 for Figure 1 Side view of.

[0016] Figure 3 for Figure 1 Top view of the .

[0017] Figure 4 for Figure 1 Enlarged view of point I.

[0018] In the figure: 1. roller; 2. scraper blade; 3. pressure plate; 4. scraper mounting seat; 5. intermediate shaft; 6. seat bearing; 7. spring; 8. handle; 9. pointer; 10. fixing device; 11. locking pin; 12. latch; 13. scraper support; 14. connecting pin; 15. notch; 16. clamp pressure plate; 17. screw. DETAILED DESCRIPTION

[0019] like Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the pressure plate 3 of the scraper device of the utility model is fixed on the scraper mounting seat 4 with screws, and the scraper blade 2 is pressed on the scraper mounting seat 4 through the pressure plate 3, so that the scraper blade 2 can be tightly attached to the surface of the roller 1 to ensure that the scraper blade 2 cleans the residual coating liquid on the roller surface. The scraper blade 2 can rotate with the scraper mounting seat 4, so that the scraper blade 2 is in the working position or the offline position. The scraper blade 2 can be directly pulled out after the pressure plate 3 is loosened, which is easy to disassemble; the scraper mounting seats 4 are multiple groups, which are evenly installed on the intermediate shaft 5, and each group of scraper mounting seats 4 includes two clamp pressure plates 16, The contact point between the middle part of the two clamping plates 16 of each set of scraper mounting seats 4 and the intermediate shaft 5 is an arc structure adapted to the intermediate shaft 5. The two sides of the two clamping plates 16 are connected by screws to clamp each set of scraper mounting seats 4 on the intermediate shaft 5, and the clamping plates 16 are reinforced and fixed to the intermediate shaft 5 through keys; the intermediate shaft 5 is fixedly connected to one end of the scraper support 13 through the seat bearings 6 on both sides thereof, and the other end of the scraper support 13 is mounted on the bracket of the roller coating machine, and the intermediate shaft 5 is inserted into the hole of the seat bearing 6 and tightened with the screws 17 on the seat bearing 6, and the tightening force is the middle The shaft 5 can rotate in the hole of the fixing seat 6; connecting pins 14 are provided on both sides of the intermediate shaft 5, and one end of the scraper support 13 is connected to the connecting pin 14 by a spring 7. When the scraper blade 2 rotates with the intermediate shaft 5, it can be tightly attached to the roller surface by the tension of the spring 7; a handle 8 is installed on one side of the intermediate shaft 5, and the operator can manually adjust the intermediate shaft 5 to the working position or the offline position by turning the handle 8; a pointer 9 is fixed to the end of the intermediate shaft 5, and the surface of the fixing device 10 is marked with "working position" and "offline position". As the intermediate shaft 5 rotates, the pointer can point to It indicates whether the position of the intermediate shaft 5 is the working position or the offline position; one end of the fixing device 10 is mounted on the bracket of the roller coater, and the contact point between the middle part of the fixing device 10 and the intermediate shaft 5 is an arc structure adapted to the intermediate shaft 5. The fixing device 10 on one side of the arc is provided with a notch 15, and the other side is a closed structure. The locking pin 11 is connected to the upper and lower threads of the notch 15. The fixing device 10 can lock the intermediate shaft 5 as the locking pin 11 is screwed into the fixing device 10 to a depth so that the intermediate shaft 5 is fixed after rotation. The tail of the locking pin 11 is provided with a latch 12 for rotating the locking pin 11.

[0020] The scraper device of the utility model can make the scraper blade 2 always automatically cling to the surface of the roller 1 when in the working position through the spring 7 installed between the scraper support 13 and the intermediate shaft 5, and always maintain a certain angle with the roller surface, so that the scraper blade 2 can clean the coating liquid on the surface of the roller 1 in time; when replacing or cleaning the scraper blade 2, the intermediate shaft 5 is manually rotated by the handle 8 to switch the scraper device to the offline position, the scraper blade 2 is separated from the surface of the roller 1, and the intermediate shaft 5 is locked by the locking pin 11 of the fixing device 10 installed on one side of the intermediate shaft 5 to ensure that the surface of the roller 1 will not be damaged when the scraper blade 2 is replaced or cleaned.

Claims

1. A scraper device for cleaning the surface of a roller, characterized in that: The scraper blade (2) of the scraper device is fixed on a scraper mounting seat (4) on the intermediate shaft (5), and the scraper blade (2) is automatically pressed against the surface of the roller (1) by a spring (7) installed between the scraper support (13) and the intermediate shaft (5); the intermediate shaft (5) is manually rotated by a handle (8) installed on the intermediate shaft (5), so that the scraper device is in an offline position, the scraper blade (2) is separated from the surface of the roller (1), and a fixing device (10) installed on one side of the intermediate shaft (5) locks the intermediate shaft (5) through a locking pin (11).

2. The scraper device for cleaning the roller surface according to claim 1, characterized in that: The scraper blade (2) is pressed onto the scraper mounting seat (4) via a pressing plate (3), and the pressing plate (3) is fixed to the scraper mounting seat (4) by screws.

3. The scraper device for cleaning the roller surface according to claim 1, characterized in that: The scraper mounting seats (4) are in multiple groups and are evenly distributed on the intermediate shaft (5). Each group of scraper mounting seats (4) comprises two clamping plates (16). The contact point between the middle parts of the two clamping plates (16) of each group of scraper mounting seats (4) and the intermediate shaft (5) is an arc structure that matches the intermediate shaft (5). The two sides of the two clamping plates (16) are connected by screws to clamp each group of scraper mounting seats (4) on the intermediate shaft (5). The clamping plates (16) are connected and fixed to the intermediate shaft (5) via a key.

4. The scraper device for cleaning the roller surface according to claim 1, characterized in that: The intermediate shaft (5) is fixedly connected to one end of the scraper support (13) through the seat bearings (6) on both sides thereof. The other end of the scraper support (13) is mounted on a bracket of the roller coating machine. The intermediate shaft (5) is inserted into the hole of the seat bearing (6) and is tightened by the screws (17) on the seat bearing (6).

5. The scraper device for cleaning the roller surface according to claim 1, characterized in that: Connecting pins (14) are provided on both sides of the intermediate shaft (5), and one end of the scraper support (13) is connected to the connecting pin (14) by a spring (7).

6. The scraper device for cleaning the roller surface according to claim 1, characterized in that: A handle (8) for manually adjusting the intermediate shaft (5) to an installed or offline position is mounted on one side of the intermediate shaft (5), and a pointer (9) for indicating the position of the intermediate shaft (5) is fixed to the end of the intermediate shaft (5).

7. The scraper device for cleaning the roller surface according to claim 1, characterized in that: One end of the fixing device (10) is mounted on a bracket of the roller coating machine. The contact point between the middle part of the fixing device (10) and the intermediate shaft (5) is an arc structure matched with the intermediate shaft (5). The fixing device (10) on one side of the arc is provided with a notch (15), and the other side is a closed structure. The locking pin (11) is connected to the upper and lower threads of the notch (15). The fixing device (10) can lock the intermediate shaft (5) as the locking pin (11) is screwed into the fixing device (10) to a certain depth, so that the intermediate shaft (5) is fixed after rotation. The tail of the locking pin (11) is provided with a latch (12) for rotating the locking pin (11).

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