A simple-to-assemble roller oil seal cover

Abstract

The present invention discloses a roller oil seal cover that is easy to assemble, including an oil seal cover body, an annular protrusion mechanism for inserting into a bearing seat is formed on the inner side of the oil seal cover body, a flange structure is formed on the outer periphery of the annular protrusion mechanism of the oil seal cover body, and the area surrounded by the annular protrusion mechanism on the oil seal cover body protrudes outwardly to the other side thereof and forms an oil storage cavity, and a thread is provided on the inner wall of the oil storage cavity on one side facing the annular protrusion mechanism and is threadedly connected to a sealing cover. The present invention proposes a structure that facilitates pre-hanging of bolts during assembly by means of a magnetic effect, thereby reducing the labor of assembly workers, that is, simplifying the assembly process and improving assembly efficiency. The soft magnetic material used in the present invention can also play a sealing effect. The present invention also facilitates the storage and replenishment of lubricating oil by setting structures such as an oil storage cavity and a piston, thereby greatly reducing the labor and cost of bearing maintenance.

Description

Technical Field

[0001] The invention relates to the field of machinery, in particular to a pressure roller oil seal cover which is easy to assemble. Background Art

[0002] The pressure roller is a device that can evenly press the extruded or calendered film to the substrate. In extrusion coating and calendering coating, the rubber roller is used in combination with the cooling roller and calendering roller respectively. During the use of the current pressure roller, the shafts at both ends will be under great pressure, that is, between the shaft and the bearing, so sufficient grease needs to be provided to ensure the stable operation of the pressure roller. The current oil seal cover has a relatively simple structure. Every time the oil seal cover is maintained and grease is added, it needs to be opened and operated, which is more troublesome. At the same time, when assembling, the screws need to be picked up and tightened one by one manually, which is more troublesome. Summary of the invention

[0003] The object of the present invention is to provide a roller oil seal cover which is easy to assemble, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A roller oil seal cover that is easy to assemble comprises an oil seal cover body, an annular protrusion mechanism for inserting into a bearing seat is formed on the inward side of the oil seal cover body, a flange structure is formed on the part of the oil seal cover body located outside the annular protrusion mechanism, the area surrounded by the annular protrusion mechanism on the oil seal cover body protrudes outward on the other side thereof and forms an oil storage cavity, a thread is provided on the inner wall of the oil storage cavity on the side facing the annular protrusion mechanism and is threadedly connected to the sealing cover; a circular cylindrical channel is formed and processed in the middle part of the oil storage cavity toward the outside and an air cylinder is installed therein, an annular protrusion is formed on the edge of one end of the air cylinder facing the outside for riding on the outer end of the circular cylindrical channel; the other end of the air cylinder passes through the circular cylindrical channel, and an external thread is provided on the corresponding outer surface of the other end of the air cylinder and is threadedly connected and locked The ring is fixed to the circular cylindrical channel, thereby fixing the air cylinder in the circular cylindrical channel, and a sealing ring is arranged between the air cylinder and the circular cylindrical channel, a piston is slidably connected in the air cylinder, the center position of the piston is connected to one end of the push rod, the other end of the push rod faces outside and is connected to the handle, the locking ring is fixedly connected to the pressure ring by a screw, the pressure ring and the locking ring press the edge of the diaphragm located in the middle, the surface of the sealing cover is fixedly connected to an annular pipe, a plurality of grease discharge holes are arranged on the surface of the annular pipe facing the bearing, the grease discharge holes are connected to one end of a rubber tube, and the other end of the rubber tube faces the bearing, a suction port is also arranged on the surface of the annular pipe facing the sealing cover, and a through hole corresponding to the position of the suction port is also arranged on the sealing cover, the suction port is connected to one end of a suction pipe, and the other end of the suction pipe extends into the oil storage cavity.

[0006] As a further solution of the present invention: the outer surface corresponding to the oil storage chamber opens and closes a threaded hole and is threadedly connected to the output end of the one-way air valve B, and a threaded hole is opened on the outer end surface of the oil storage chamber and is connected to the input end of the one-way air valve A, the output end of the one-way air valve A is connected to an input end of the three-way valve, and the other two output ports of the three-way valve are respectively vacant and connected to plugs, the one-way air valve A and the one-way air valve B are located on a straight line passing through the axis of the oil seal cover body, and when the oil seal cover body is fixedly connected to the bearing seat, the one-way air valve A and the one-way air valve B are respectively located at the upper and lower positions in the vertical direction

[0007] As a further solution of the present invention: the input end of the one-way air valve B is connected to a hose, and the other end of the hose is connected to an external oil tank.

[0008] As a further solution of the present invention: the flange structure is used to open a groove arranged around the axis of the bearing seat of the pressure roller on one side thereof, and a sealing ring formed of soft magnetic material is bonded in the groove, and the thickness of the sealing ring is greater than the depth of the groove. At the same time, a through hole is opened on the sealing ring and corresponds to the through hole opened on the flange structure.

[0009] As a further solution of the present invention: the diaphragm sheet adopts a polyfluoro diaphragm.

[0010] As a further solution of the present invention: a window is provided on the surface of the oil storage cavity at the linear position where the one-way air valve A and the one-way air valve B are located, and the window is sealed and connected to a transparent oil window, so as to facilitate manual observation of the internal grease content, and a suction tube is also arranged close to the position of the one-way air valve B.

[0011] As a further solution of the present invention: the cross-sectional area of ​​the suction port is smaller than the cross-sectional areas of the input and output ports of the one-way air valve A and the one-way air valve B.

[0012] As a further solution of the present invention: a rubber sealing ring is further arranged between the annular pipe and the sealing cover, a through hole smaller than the diameter of the straw is opened on the surface of the rubber sealing ring, and a plurality of metal pressure strips are arranged above the annular pipe, and bolts pass through the holes on the pressure strip and the rubber sealing ring and are threadedly connected to the threaded holes opened on the surface of the sealing cover.

[0013] As a further solution of the present invention: a metal bracket is welded on the outer surface of the oil seal cover body, a drive motor is fixedly connected to the metal bracket, and the output end of the drive motor is connected to the rotation center of the eccentric wheel, the eccentric position of the eccentric wheel is rotatably connected to one end of the crank through a pin shaft, and the other end of the crank is also rotatably connected to the push rod through a pin shaft, and the three-way valve is an electromagnetic three-way valve, the drive motor and the electromagnetic three-way valve are both powered and controlled by a controller, and the signal collection end of the controller is electrically connected to a vibration collector, and the collection probe of the vibration collector is fixedly connected to the surface of the bearing seat, when the bearing seat vibrates due to insufficient grease, the drive motor will be controlled by the controller to replenish the lubricating oil.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention proposes a structure that facilitates pre-hanging of bolts during assembly by means of magnetic effect, thereby reducing the workload of assembly workers, that is, simplifying the assembly process and improving assembly efficiency.

[0015] Furthermore, the soft magnetic material used in the present invention can also achieve a sealing effect.

[0016] The present invention also facilitates the storage and replenishment of lubricating oil by providing structures such as an oil storage chamber and a piston, thereby greatly reducing the labor and cost of bearing maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a simple pressure roller oil seal cover.

[0018] Figure 2 Schematic diagram of the fixing of the annular pipe in the oil seal cover of a simple pressure roller.

[0019] Figure 3 This is a schematic diagram of a simple roller oil seal cover absorbing grease when assembled.

[0020] Figure 4 Another schematic diagram of the structure of a simple roller oil seal cover.

[0021] In the figure: oil seal cover body 1, oil storage chamber 2, one-way air valve A3, three-way valve 4, plug 5, pressure ring 6, diaphragm 7, push rod 8, piston 9, air cylinder 10, locking ring 11, window 12, one-way air valve B13, suction tube 14, annular pipeline 15, rubber tube 16, sealing cover 17, rubber sealing ring 19, crank 20, eccentric wheel 21, sealing ring 22, oil tank 23. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Example 1

[0024] See also Figures 1 to 3 In an embodiment of the present invention, a roller oil seal cover with simple assembly includes an oil seal cover body 1, an annular protrusion mechanism for inserting into a bearing seat is formed on the inward side of the oil seal cover body 1, and a flange structure is formed on the outer periphery of the annular protrusion mechanism in the oil seal cover body 1, and the flange structure is used to open a groove arranged around the axis of the bearing seat of the roller on the side facing the roller, and a sealing ring 22 formed of a soft magnetic material is bonded in the groove, and the thickness of the sealing ring 22 is greater than the depth of the groove. At the same time, a through hole is opened on the sealing ring 22 and corresponds to the through hole opened on the flange structure; when assembling, a bolt can be inserted into the through hole in advance, and the sealing ring of the soft magnetic material is used to adsorb the spiral, so that it is convenient for people to tighten the screws, and then there is no need to take out the screws one by one from the tool box for use, which can improve the efficiency of operation and reduce unnecessary bending operations.

[0025] The area surrounded by the annular protrusion on the oil seal cover body 1 protrudes outward to the other side and forms an oil storage chamber 2. The inner wall of the oil storage chamber 2 facing the annular protrusion is threaded and threadedly connected to the sealing cover 17. During the actual assembly process, the sealing cover 17 faces the bearing of the pressure roller.

[0026] The middle part of the oil storage chamber 2 is formed with a circular cylindrical channel facing outward (the outside here is uniformly the side away from the annular protrusion mechanism) and an air cylinder 10 is installed therein, and an annular protrusion is formed on the edge of one end of the air cylinder 10 facing outward for being placed on the outer end of the circular cylindrical channel to play a limiting role; the other end of the air cylinder 10 passes through the circular cylindrical channel, and the outer surface corresponding to the other end of the air cylinder 10 is provided with an external thread and is threadedly connected to a locking ring 11, so that the air cylinder 10 is fixed at the circular cylindrical channel, and a sealing ring is provided between the air cylinder 10 and the circular cylindrical channel, a piston 9 is slidably connected inside the air cylinder 10, and one end of the push rod 8 is connected to the center position of the piston 9, and the other end of the push rod 8 faces outward and is connected to a handle, so as to facilitate manual pulling back and forth of the piston outside; the locking ring 11 is fixedly connected to the pressure ring 6 by screws, and the pressure ring 6 and the locking ring 11 press the edge of the diaphragm 7 located in the middle thereof, and the diaphragm 7 adopts a polytetrafluoroethylene diaphragm;

[0027] In the actual assembly process, the locking ring 11, the pressure ring 6 and the diaphragm 7 are first assembled, and then fixed to the other end of the cylinder 10 by threaded connection, wherein the locking ring 11 and the pressure ring 6 are processed with grooves on the surface for pressing the diaphragm 7 to strengthen the connection with the diaphragm. The locking ring 11 is a thin steel annular profile with threads processed on the inner ring.

[0028] The outer surface corresponding to the oil storage chamber 2 is provided with a threaded hole and is threadedly connected to the output end of the one-way air valve B13, and a threaded hole is provided on the outer end surface of the oil storage chamber 2 and is connected to the input end of the one-way air valve A3, the output end of the one-way air valve A3 is connected to an input end of the three-way valve 4, and the other two output ports of the three-way valve 4 are respectively vacant and connected to the plug 5, the one-way air valve A3 and the one-way air valve B13 are located on a straight line passing through the axis of the oil seal cover body 1, and when the oil seal cover body 1 is fixedly connected to the bearing seat, the one-way air valve A3 and the one-way air valve B13 are respectively located at the upper and lower positions in the vertical direction; when it is actually necessary to add grease to the oil storage chamber 2, the output end of the three-way valve A3 is adjusted to be connected to one of the vacant output ends, and then the piston is manually pulled back and forth so that the input end of the one-way air valve B13 generates suction to absorb the grease. In actual use, a hose can be connected to the input end of the one-way air valve B13, and the other end of the hose is connected to the external oil tank 23 for replenishing the grease consumed internally.

[0029] A window 12 is provided on the surface of the oil storage cavity 2 at the linear position where the one-way air valve A3 and the one-way air valve B13 are located, and the window 12 is sealed and connected to a transparent oil window, so as to facilitate manual observation of the content of the internal grease.

[0030] The surface of the sealing cover 17 is fixedly connected with an annular pipe 15, and a plurality of grease discharge holes are provided on the surface of the annular pipe 15 facing the bearing. The grease discharge holes are connected to one end of a rubber tube 16, and the other end of the rubber tube 16 faces the bearing. A suction port is also provided on the surface of the annular pipe 15 facing the sealing cover 17, and a through hole corresponding to the position of the suction port is also provided on the sealing cover 17. The suction port is connected to one end of a suction pipe 14, and the other end of the suction pipe 14 extends into the oil storage chamber 2. The suction pipe 14 is arranged near the position of the one-way air valve B13. When the sealing cover 17 is actually tightened, a raw tape can be wrapped around the connecting surface to ensure sealing and facilitate position adjustment. The surface of the sealing cover 17 can be marked at the position of the suction pipe 14 for easy adjustment. The cross-sectional area of ​​the suction port is smaller than the cross-sectional area of ​​the input and output ports of the one-way air valve A3 and the one-way air valve B13, so that the suction force generated by each pull during manual feeding can suck in a portion of the grease for storage.

[0031] When it is necessary to add lubricating oil to the bearing position (usually regularly or when there is noise), adjust the output end of the three-way valve A3 to connect with the output end of one of the connecting plugs. At this time, the reciprocating piston will pump air into the oil storage chamber. Finally, under the action of air pressure, the grease will be discharged from the suction tube to achieve oiling.

[0032] A rubber sealing ring 18 is also provided between the annular pipe 15 and the sealing cover 17. A through hole smaller than the diameter of the straw 14 is provided on the surface of the rubber sealing ring 18. A plurality of metal pressure strips 19 are provided above the annular pipe 15. Bolts pass through the holes on the pressure strips 19 and the rubber sealing ring 18 and are threadedly connected to the threaded holes (blind holes) provided on the surface of the sealing cover 17 to achieve overall sealing and fixation.

[0033] Example 2

[0034] See also Figure 4 The present application may also adopt an electric structure, wherein a metal bracket is welded on the outer surface of the oil seal cover body 1, to which a drive motor is fixedly connected, and an output end of the drive motor is connected to the rotation center of the eccentric wheel 21, and the eccentric position of the eccentric wheel 21 is rotatably connected to one end of the crank 20 through a pin shaft, and the other end of the crank 20 is also rotatably connected to the push rod 8 through a pin shaft, and at the same time, the three-way valve 4 is an electromagnetic three-way valve, and both the drive motor and the electromagnetic three-way valve are powered and controlled by a controller, and at the same time, a signal collection end of the controller is electrically connected to a vibration collector, and a collection probe of the vibration collector is fixedly connected to the surface of the bearing seat, and when vibration occurs in the bearing seat due to insufficient grease, the drive motor will be controlled by the controller to replenish the lubricating oil, and this mechanism is also conducive to remote monitoring of the stability of the pressure roller.

[0035] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A roller oil seal cover with simple assembly, comprising an oil seal cover body (1), characterized in that: The oil seal cover body (1) is formed with an annular protrusion mechanism on the inner side thereof for inserting into the bearing seat, and the portion of the oil seal cover body (1) located outside the annular protrusion mechanism forms a flange structure. The area surrounded by the annular protrusion mechanism on the oil seal cover body (1) protrudes outwardly to the other side thereof and forms an oil storage chamber (2). The inner wall of the oil storage chamber (2) on one side facing the annular protrusion mechanism is provided with a thread and is threadedly connected to a sealing cover (17); a circular cylindrical channel is formed and processed in the middle part of the oil storage chamber (2) towards the outside and an air cylinder (10) is installed therein, and an annular protrusion is formed on the edge of one end of the air cylinder (10) facing the outside for riding on the outer end of the circular cylindrical channel; the other end of the air cylinder (10) passes through the circular cylindrical channel, and the corresponding outer surface of the other end of the air cylinder (10) is provided with an external thread and is threadedly connected to a locking ring (11), so that the air cylinder (10) is fixed at the circular cylindrical channel, and the air cylinder (10) and the circular A sealing ring is arranged between the cylindrical passages, a piston (9) is slidably connected in the air cylinder (10), the center position of the piston (9) is connected to one end of a push rod (8), the other end of the push rod (8) faces outward and is connected to a handle, the locking ring (11) is fixedly connected to the pressure ring (6) by screws, the pressure ring (6) and the locking ring (11) press the edge of the diaphragm (7) located in the middle thereof, the surface of the sealing cover (17) is fixedly connected to an annular pipe (15), a plurality of grease discharge holes are provided on the surface of the annular pipe (15) facing the bearing, the grease discharge holes are connected to one end of a rubber tube (16), the other end of the rubber tube (16) faces the bearing, a suction port is also provided on the surface of the annular pipe (15) facing the sealing cover (17), and a through hole corresponding to the position of the suction port is also provided on the sealing cover (17), the suction port is connected to one end of a suction pipe (14), the other end of the suction pipe (14) extends into the oil storage chamber (2); The outer surface corresponding to the oil storage chamber (2) is provided with a threaded hole and is threadedly connected to the output end of the one-way air valve B (13), while the outer end surface of the oil storage chamber (2) is provided with a threaded hole and is connected to the input end of the one-way air valve A (3), the output end of the one-way air valve A (3) is connected to one input end of the three-way valve (4), and the other two output ports of the three-way valve (4) are respectively vacant and connected to the plug (5), the one-way air valve A (3) and the one-way air valve B (13) are located on a straight line passing through the axis of the oil seal cover body (1), and when the oil seal cover body (1) is fixedly connected to the bearing seat, the one-way air valve A (3) and the one-way air valve B (13) are respectively located at upper and lower positions in the vertical direction; the cross-sectional area of ​​the suction port is smaller than the cross-sectional area of ​​the input and output ports of the one-way air valve A (3) and the one-way air valve B (13).

2. The simple-to-assemble roller oil seal cover according to claim 1, characterized in that: The input end of the one-way air valve B (13) is connected to a hose, and the other end of the hose is connected to an external oil tank (23).

3. The simple-to-assemble roller oil seal cover according to claim 1, characterized in that: The flange structure is used to open a groove arranged around the axis of the bearing seat of the pressure roller on one side thereof, and a sealing ring (22) formed of a soft magnetic material is bonded in the groove, the thickness of the sealing ring (22) is greater than the depth of the groove, and a through hole is opened on the sealing ring (22) and corresponds to the through hole opened on the flange structure.

4. The oil seal cover for a press roller that is easy to assemble according to claim 1, characterized in that: The diaphragm sheet (7) is made of a polyfluoride diaphragm.

5. The oil seal cover for a press roller that is easy to assemble according to claim 1, characterized in that: A window (12) is provided on the surface of the oil storage chamber (2) at the linear position where the one-way air valve A (3) and the one-way air valve B (13) are located, and the window (12) is sealed and connected to a transparent oil window, so as to facilitate manual observation of the content of the internal grease, and a suction pipe (14) is also arranged near the position of the one-way air valve B (13).

6. The oil seal cover for a press roller that is easy to assemble according to claim 1, characterized in that: A rubber sealing ring (18) is further provided between the annular pipe (15) and the sealing cover (17), and a through hole smaller than the diameter of the straw (14) is provided on the surface of the rubber sealing ring (18). A plurality of metal pressure strips (19) are provided above the annular pipe (15), and bolts pass through the holes on the pressure strips (19) and the rubber sealing ring (18) and are threadedly connected to the threaded holes provided on the surface of the sealing cover (17).

7. The easy-to-assemble roller oil seal cover according to claim 1, characterized in that: A metal bracket is welded on the outer surface of the oil seal cover body (1), and a driving motor is fixedly connected to the metal bracket. The output end of the driving motor is connected to the rotation center of the eccentric wheel (21). The eccentric position of the eccentric wheel (21) is rotatably connected to one end of the crank (20) through a pin shaft, and the other end of the crank (20) is also rotatably connected to the push rod (8) through a pin shaft. At the same time, the three-way valve (4) is an electromagnetic three-way valve. The driving motor and the electromagnetic three-way valve are both powered and controlled by a controller. At the same time, the signal collection end of the controller is electrically connected to a vibration collector. The collection probe of the vibration collector is fixedly connected to the surface of the bearing seat. When vibration occurs in the bearing seat due to insufficient grease, the driving motor is controlled by the controller to replenish the lubricating oil.

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