Oil injection type reinforcing rod head

Abstract

An oil injection type reinforcing rod head comprises a first bearing, a second bearing, a main shaft, a sealing sleeve, an end cover and an oil nozzle. The first bearing and the second bearing are rotatably installed on the main shaft, the first bearing is located on the front side of the second bearing, the first bearing is provided with a first dustproof cover, the first dustproof cover faces the front side of the main shaft, and the second bearing is provided with a second dustproof cover, and the second dustproof cover faces the rear side of the main shaft; the first bearing and the second bearing are sleeved with the sealing sleeve, the inner wall of the sealing sleeve is attached to the periphery of the first bearing and the periphery of the second bearing respectively, and the end cover is installed at the rear end of the sealing sleeve. According to the oil injection type reinforcing stick head, the problems that in the prior art, rust on the inner wall of a conveying stick easily and directly enters a bearing, the direct contact area of the bearing and the stick is small, the bearing easily shakes after running for a period of time, lubricating grease cannot be injected secondarily after assembly, and the service life of the bearing is prolonged are solved. And the high-temperature position is very easy to damage in the operation process.

Description

Technical Field

[0001] This utility model relates to the field of conveying roller technology, and in particular to an oil-injected reinforced roller head. Background Technology

[0002] In existing technology, the conveying roller is usually fixed to the pin with two simple open bearings and installed inside the conveying roller for transmission. However, the roller is generally made of seamless steel pipe, and rust will be generated on the inner wall of the pipe during use, which can easily enter the bearing. In addition, the contact area between the bearing and the roller is small, and it is easy to shake after running for a period of time. Moreover, it is not possible to add lubricating grease again after assembly, which makes the high-temperature parts very easy to be damaged during operation. Utility Model Content

[0003] The purpose of this invention is to propose an oil-injected reinforced roller head, which solves the problems in the prior art where rust on the inner wall of the conveying roller can easily enter the bearing, the small contact area between the bearing and the roller makes it prone to shaking after a period of operation, and the inability to add lubricating grease after assembly, leading to easy damage at high-temperature locations during operation.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] An oil-filled reinforcing roller head includes a first bearing, a second bearing, a main shaft, a sealing sleeve, an end cap, and an oil nozzle;

[0006] The first bearing and the second bearing are rotatably mounted on the main shaft. The first bearing is located in front of the second bearing. The first bearing is provided with a first dust cover facing the front of the main shaft. The second bearing is provided with a second dust cover facing the rear of the main shaft.

[0007] The sealing sleeve is fitted onto the first bearing and the second bearing, the inner wall of the sealing sleeve is respectively attached to the outer periphery of the first bearing and the second bearing, and the end cap is installed on the rear end of the sealing sleeve;

[0008] The front side of the spindle is provided with an oil injection head, which protrudes from the front side of the sealing sleeve. The oil injection head is equipped with an oil nozzle at its front end, and the oil injection head is used to inject lubricating oil into the first bearing and the second bearing through the oil nozzle.

[0009] Furthermore, it also includes a spacer. The main shaft is provided with a first mounting groove, on which the first bearing, the second bearing and the spacer are mounted. One end of the spacer abuts against the first bearing and the other end of the spacer abuts against the second bearing.

[0010] Specifically, it also includes a second retaining ring. The main shaft is provided with a second mounting groove, which is located behind the first mounting groove. The second mounting groove is fitted with the second retaining ring, which is used to prevent the second bearing from dislodging from the main shaft.

[0011] Preferably, it further includes a first retaining ring, the sealing sleeve is provided with a third mounting groove, the third mounting groove is fitted with the first retaining ring, and the first retaining ring abuts against the first bearing.

[0012] In some embodiments, the oil injection head is provided with a first channel, and the inside of the spindle is provided with a second channel. One end of the first channel is connected to the oil nozzle, and the other end of the first channel is connected to one end of the second channel. The other end of the second channel is provided with an oil outlet, which is directly opposite the inner circumference of the spacer.

[0013] Furthermore, the outer side of the rear end of the sealing sleeve is chamfered.

[0014] Specifically, the rear end of the sealing sleeve is provided with a plurality of first mounting holes, which are evenly spaced along the circumference of the sealing sleeve. The end cap is provided with a plurality of second mounting holes, which are evenly spaced along the circumference of the end cap. The second mounting holes are directly opposite the first mounting holes.

[0015] Compared with the prior art, one of the above technical solutions has the following beneficial effects:

[0016] The first bearing, first dust cover, second bearing, second dust cover, main shaft, sealing sleeve, and end cap are arranged so that the first and second bearings are located within the sealed space of the sealing sleeve. This prevents rust from inside the roller and foreign matter from entering and damaging the first and second bearings, thus extending their service life. Furthermore, the complete unit installation increases the contact area between the oil-filled reinforcing roller head and the roller, resulting in more uniform stress distribution and better concentricity during operation. Additionally, the oil filling head, through the grease nipple, adds high-temperature grease to the first and second bearings, effectively maintaining lubrication and preventing damage at high temperatures during operation. This further extends the service life of the oil-filled reinforcing roller head and reduces the risk of mass-produced defective bricks due to high roller bearing failure rates. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the oil-filled reinforcing roller head according to one embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the second dust cover according to one embodiment of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the third mounting slot in one embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram of the oil outlet structure of one embodiment of the present invention;

[0021] The components include: first bearing 1, first dust cover 11, second bearing 2, second dust cover 21, main shaft 3, first mounting groove 31, second mounting groove 32, second channel 33, oil outlet 331, sealing sleeve 4, third mounting groove 41, chamfer 42, first mounting hole 43, end cover 5, second mounting hole 51, oil nozzle 6, spacer 7, second retaining ring 8, first retaining ring 9, oil injection head 10, and first channel 101. Detailed Implementation

[0022] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0023] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," "inner side," "outer side," "inner end," "outer end," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" and "second" may explicitly or implicitly include one or more of these features, used to distinguish descriptive features, without any order or emphasis. In the description of this utility model, unless otherwise stated, "multiple" means two or more.

[0024] In one embodiment of this utility model, such as Figure 1-4As shown, an oil-filled reinforcing roller head includes a first bearing 1, a second bearing 2, a main shaft 3, a sealing sleeve 4, an end cap 5, and an oil nozzle 6. The first bearing 1 and the second bearing 2 are rotatably mounted on the main shaft 3. The first bearing 1 is located in front of the second bearing 2 and has a first dust cover 11 facing the front of the main shaft 3. The second bearing 2 has a second dust cover 21 facing the rear of the main shaft 3. The sealing sleeve 4 is fitted onto the first bearing 1 and the second bearing 2, with its inner wall fitting against the outer periphery of the first bearing 1 and the second bearing 2. The end cap 5 is installed at the rear end of the sealing sleeve 4. An oil-filling head 10 is provided on the front side of the main shaft 3, protruding from the front side of the sealing sleeve 4. The oil nozzle 6 is installed at the front end of the oil-filling head 10, which injects lubricating oil into the first bearing 1 and the second bearing 2 through the oil nozzle 6. In this embodiment, the oil injection head 10 has a cuboid structure and is integral with the main shaft 3. Both the first bearing 1 and the second bearing 2 are deep groove ball bearings with dust covers. During installation, the first bearing 1 and the second bearing 2 are respectively installed on the main shaft 3, with the first bearing 1 located in front of the second bearing 2. Then, the sealing sleeve 4 is fitted from the rear end of the main shaft 3 onto the outer circumference of the first bearing 1 and the second bearing 2. At this time, the first dust cover 11 covers the front of the sealing sleeve 4, and the second dust cover 12 covers the rear of the sealing sleeve 4, thus forming a relatively sealed structure between the first bearing 1 and the second bearing 2. The oil injection head 10 protrudes from the front of the sealing sleeve 4. The oil injection head 10 can inject lubricating oil into the first bearing 1 and the second bearing 2 through the oil nozzle 6. Finally, the end cap 5 is installed on the rear end of the bee sleeve 4. In use, the rear end of the oil-injecting reinforcing rod head is... That is, one end of the end cap 5 is placed inside the conveying roller; this application uses the first bearing 1, the first dust cover 11, the second bearing 2, the second dust cover 21, the main shaft 3, the sealing sleeve 4 and the end cap 5 to place the first bearing 1 and the second bearing 2 in the sealed space of the sealing sleeve 4, which can prevent rust inside the roller and foreign matter from entering the first bearing 1 and the second bearing 2 and causing damage, thus improving their service life. Furthermore, the complete set installation in a sealed unit manner can increase the contact area between the oil-filled reinforcing roller head and the roller, making the overall force uniform and the concentricity of the roller better during operation. In addition, the oiling head 10 can add high-temperature grease to the first bearing 1 and the second bearing 2 through the grease nipple 6, so that the first bearing 1 and the second bearing 2 can be effectively lubricated, avoiding the phenomenon of damage at high temperature during operation, which is conducive to improving the service life of the oil-filled reinforcing roller head and reducing the hidden danger of mass production of broken bricks due to the high failure rate of roller bearings.

[0025] like Figure 1 and Figure 4 As shown, it also includes a spacer 7. The main shaft 3 is provided with a first mounting groove 31, on which the first bearing 1, the second bearing 2, and the spacer 7 are mounted. One end of the spacer 7 abuts against the first bearing 1, and the other end of the spacer 7 abuts against the second bearing 2. In this embodiment, the first mounting groove 31 is provided in the rear half of the main shaft 3. During installation, the first bearing 1 is first slidably mounted in the first mounting groove 31 until it abuts against the inner wall of the first mounting groove 31. The spacer 7 is then slidably mounted in the first mounting groove 31, with one end abutting against the first bearing 1. The second bearing 2 is then slidably mounted in the first mounting groove 31, with the second bearing 2 abutting against the spacer 7. The spacer 7 serves as a limiting and positioning element. Then, the sealing sleeve 4 is fitted onto the first bearing 1 and the second bearing 2. Finally, the end cap 5 is installed. The installation is convenient and quick.

[0026] like Figure 1 and Figure 4 As shown, it also includes a second retaining ring 8. The main shaft 3 is provided with a second mounting groove 32, which is located behind the first mounting groove 31. The second mounting groove 32 is fitted with the second retaining ring 8, which is used to prevent the second bearing 2 from dislodging from the main shaft 3. In this embodiment, after the first bearing 1, the spacer 7, and the second bearing 2 are sequentially slidably mounted in the first mounting groove 31, the second retaining ring 8 is then mounted in the second mounting groove 32. The second retaining ring 8 acts as a barrier, preventing the second bearing 2 from dislodging from the rear end of the main shaft 3.

[0027] like Figure 1 and Figure 3 As shown, it also includes a first retaining ring 9. The sealing sleeve 4 is provided with a third mounting groove 41, and the first retaining ring 9 is installed in the third mounting groove 41. The first retaining ring 9 abuts against the first bearing 1. In this embodiment, the first bearing 1, the spacer 7, and the second bearing 2 are sequentially slidably installed in the first mounting groove 31. The second retaining ring 8 is installed in the second mounting groove 32. After the sealing sleeve 4 is fitted onto the first bearing 1 and the second bearing 2, the first retaining ring 9 is installed in the third mounting groove 41. The rear end face of the first retaining ring 9 abuts against the front end face of the first bearing 1. The first retaining ring 9 not only serves as a limiting and blocking function to prevent the sealing sleeve 4 from falling out, but also prevents the first bearing 1 from wearing due to long-term friction with the sealing sleeve 4, which is beneficial to improving the service life of the first bearing 1.

[0028] like Figure 1 and Figure 4 As shown, the grease nipple 10 has a first channel 101, and the spindle 3 has a second channel 33 inside. One end of the first channel 101 is connected to the grease nipple 6, and the other end of the first channel 101 is connected to one end of the second channel 33. The other end of the second channel 33 has an oil outlet 331, which is directly opposite the inner circumference of the spacer 7. In this embodiment, when lubricating oil needs to be added, the lubricating oil is injected into the interior of the first channel 101 through the grease nipple 6. Then, the lubricating oil flows from the interior of the first channel 101 to the interior of the second channel 33 and flows out from the oil outlet 331 of the second channel 33. Then, it flows out from the interior of the spacer 7 to the front and rear sides until it flows into the first bearing 1 and the second bearing 2.

[0029] like Figure 1-3 As shown, the outer side of the rear end of the sealing sleeve 4 is provided with a chamfer 42. In this embodiment, the chamfer 42 is provided on the rear side of the sealing sleeve 4. The chamfer 42 facilitates the installation of the oil-filled reinforcing rod head into the inside of the rod, avoiding assembly difficulties due to dimensional tolerances.

[0030] like Figure 1-2 As shown, the rear end of the sealing sleeve 4 is provided with a plurality of first mounting holes 43, which are evenly spaced along the circumference of the sealing sleeve 4. The end cap 5 is provided with a plurality of second mounting holes 51, which are evenly spaced along the circumference of the end cap 5. The second mounting holes 51 are directly opposite the first mounting holes 43. In this embodiment, there are four first mounting holes 43 and four second mounting holes 51. During installation, the four second mounting holes 51 of the end cap 5 are aligned with the four first mounting holes 43 at the rear end of the sealing sleeve 4, and then locked in place with locking screws. This method is convenient, quick, and ensures a secure and reliable lock.

[0031] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0032] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An oil-filled reinforced bat head, characterized by: The first bearing, the second bearing, the main shaft, the sealing sleeve, the end cover and the oil nozzle are included. The first bearing and the second bearing are rotatably installed on the main shaft, the first bearing is located in front of the second bearing, the first bearing is provided with a first dust cover, the first dust cover faces the front side of the main shaft, the second bearing is provided with a second dust cover, the second dust cover faces the rear side of the main shaft. The sealing sleeve is sleeved on the first bearing and the second bearing, the inner wall of the sealing sleeve is attached to the outer periphery of the first bearing and the second bearing respectively, and the end cover is installed on the rear end of the sealing sleeve. The front side of the main shaft is provided with an oil injection head, the oil injection head protrudes from the front side of the sealing sleeve, the front end of the oil injection head is provided with the oil nozzle, and the oil injection head is used for injecting lubricating oil into the first bearing and the second bearing through the oil nozzle.

2. An oil-filled reinforced bat head according to claim 1, wherein: The main shaft is provided with a first installation groove, the first installation groove is installed with the first bearing, the second bearing and the spacer, one end of the spacer abuts against the first bearing, and the other end of the spacer abuts against the second bearing.

3. An oil-filled reinforced bat head according to claim 2, wherein: The main shaft is provided with a second installation groove located at the rear side of the first installation groove, the second installation groove is installed with the second retainer, and the second retainer is used for blocking the second bearing from being detached from the main shaft.

4. An oil-filled reinforced club head as defined in claim 3, wherein: The sealing sleeve is provided with a third installation groove, the third installation groove is installed with the first retainer, and the first retainer abuts against the first bearing.

5. An oil-filled reinforced club head as defined in claim 2, wherein: The oil injection head is provided with a first channel, the inside of the main shaft is provided with a second channel, one end of the first channel is communicated with the oil nozzle, the other end of the first channel is communicated with one end of the second channel, the other end of the second channel is provided with an oil outlet, and the oil outlet is opposite to the inner periphery of the spacer.

6. An oil-filled reinforced bat head as defined in claim 1, wherein: The rear end of the sealing sleeve is provided with a chamfer.

7. An oil-filled reinforced club head as defined in claim 1, wherein: The rear end of the sealing sleeve is provided with a plurality of first installation holes, the first installation holes are uniformly arranged along the circumferential direction of the sealing sleeve, the end cover is provided with a plurality of second installation holes, the second installation holes are uniformly arranged along the circumferential direction of the end cover, and the second installation holes are opposite to the first installation holes.

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