Side guide roller and side guide device

Abstract

The utility model discloses a side guide roller and a side guide device, and the side guide roller comprises a pin shaft which comprises at least one connecting part and a working part; at least one end of the working part is sleeved with the bearing assembly; the roller body is arranged on the bearing assembly in a sleeving mode and rotationally connected with the pin shaft through the bearing assembly, the roller body comprises at least one end face, a bearing part and a cooling hole, the cooling hole penetrates through the roller body, and the cooling hole is communicated with the end face through the bearing part; the orthographic projection of the cooling hole on the end face is within the orthographic projection of the bearing part on the end face, and the cooling hole and the bearing part form a first pipeline. According to the side guide roller and the side guide device, the cooling liquid passes through the first pipeline to cool the roller body, meanwhile, the cooling liquid is not prone to being thrown out in the operation process, and the cooling effect can be fully achieved in the working process of the roller body.

Description

Technical Field

[0001] The present application relates to the field of hot rolling technology, and in particular to a side guide roller and a side guide device. Background Art

[0002] In the production line of hot rolled plates, the working environment of the hot coil box is harsh, with problems such as high temperature and dense water vapor. Among them, the guide wheel of the side guide of the hot rolled plate is prone to internal bearing failure and dead roll due to the harsh environment, resulting in failure and affecting production work. Utility Model Content

[0003] The embodiment of the present application provides a side guide roller and a side guide device, which can effectively improve the operating reliability in harsh environments.

[0004] On the one hand, according to an embodiment of the present application, a side guide roller (10) is provided, comprising: a pin shaft (2), comprising at least one connecting portion (21) and a working portion (22) distributed in an axial direction; a bearing assembly (3), sleeved on at least one end of the working portion (22); a roller body (4), sleeved on the bearing assembly (3) and rotatably connected to the pin shaft (2) through the bearing assembly (3); the roller body (4) comprising at least one end face (41), a receiving portion (43) and a cooling hole (42) distributed in an axial direction; the cooling hole (42) is arranged through the roller body (4); the cooling hole (42) and the end face (41) are connected through the receiving portion (43); the orthographic projection of the cooling hole (42) on the end face (41) is within the orthographic projection of the receiving portion (43) on the end face (41); the cooling hole (42) and the receiving portion (43) constitute a first pipeline (7).

[0005] According to one aspect of an embodiment of the present application, the end surface (41) also includes a fixing surface (411) and a setting surface (412) distributed successively in the radial direction, the cooling hole (42) includes a plurality of openings (421) of the cooling holes (42) are arranged on the setting surface (412) and are distributed continuously and spaced apart in the circumferential direction.

[0006] According to one aspect of the embodiment of the present application, the receiving portion (43) is a receiving groove (431), and the receiving groove (431) is recessed along the axial direction of the setting surface (412) and is arranged along the circumferential direction to conduct multiple openings (421).

[0007] According to one aspect of the embodiment of the present application, the side guide roller (10) further includes at least one sealing assembly (5), which is sleeved on the working portion (22) and arranged at one end of the bearing assembly (3) close to the connecting portion (21); the roller body (4) is fixedly connected to the bearing assembly (3) via the sealing assembly (5); the roller body (4) is fixedly connected to the sealing assembly (5) via a fixing surface (411); the sealing assembly (5) and the roller body (4) form a closed space (6); and the bearing assembly (3) is arranged in the closed space (6).

[0008] According to one aspect of an embodiment of the present application, the sealing assembly (5) includes at least a first seal (53) and a second seal (54), the first seal (53) is fixedly connected to the roller body (4), the second seal (54) is fixedly connected to the bearing assembly (3), the first seal (53) and the second seal (54) are relatively provided with a plurality of annular sealing teeth (55) arranged in sequence along the radial direction, annular cavities (56) are reserved between the annular sealing teeth (55), and the annular sealing teeth (55) and the annular cavities (56) are arranged in cooperation to form a labyrinth seal.

[0009] According to one aspect of the embodiment of the present application, the pin shaft (2) further includes a lubrication hole (23) arranged in the axial direction and a branch hole (24) arranged in the radial direction, the closed space (6) is connected to the lubrication hole (23) through the branch hole (24), the closed space (6), the branch hole (24) and the lubrication hole (23) constitute a second pipeline (8), and the first pipeline (7) and the second pipeline (8) do not interfere with each other.

[0010] According to one aspect of the embodiment of the present application, the connecting portion (21) includes a first connecting sub-portion (211) and a second connecting sub-portion (212); the pin shaft (2) includes a first connecting sub-portion (211), a working portion (22) and a second connecting sub-portion (212) which are successively distributed in the axial direction; the bearing assembly (3) includes a first bearing (31) and a second bearing (32); the first bearing (31) is sleeved on an end of the working portion (22) close to the first connecting sub-portion (211); the second bearing (32) is sleeved on an end of the working portion (22) close to the second connecting sub-portion (212); the first bearing (31) includes a first bearing inner ring (312) and a first bearing outer ring (311); the second bearing (32) includes a second bearing inner ring (322) and a second bearing outer ring (321 ), the first bearing outer ring (311) is rollingly connected to the first bearing inner ring (312), the second bearing outer ring (321) is rollingly connected to the second bearing inner ring (322), the first bearing inner ring (312) is fixedly connected to the working part (22), and the second bearing inner ring (322) is fixedly connected to the working part (22); the roller body (4) is a cylinder, the roller body (4) also includes a working surface (44) and an inner surface (45), the end surface (41) includes a first end surface (413) and a second end surface (414) distributed in the axial direction, the first end surface (413) and the second end surface (414) are connected to the working surface (44) and the inner surface (45), and the inner surface (45) is fixedly connected to the first bearing outer ring (311) and the second bearing outer ring (321).

[0011] According to one aspect of the embodiment of the present application, the side guide roller (10) further includes a sealing assembly (5), the sealing assembly (5) including a first sealing group (51) and a second sealing group (52), the first sealing group (51) being sleeved on an end of the first bearing (31) close to the first connecting sub-portion (211), and the second sealing group (52) being sleeved on an end of the second bearing (32) close to the second connecting sub-portion (212); the roller body (4) is fixedly connected to the first bearing (31) through the first sealing group (51) and is fixedly connected to the first sealing group (51) through the first end face (413); the roller body (4) is fixedly connected to the second bearing (32) through the second sealing group (52) and is fixedly connected to the second sealing group (52) through the second end face (414); the first sealing group (51), the second sealing group (52) and the inner surface (45) form a closed space (6), and the first bearing (31) and the second bearing (32) are arranged in the closed space (6).

[0012] On the other hand, according to an embodiment of the present application, a side guide device (100) is provided, characterized in that it includes: a side guide roller (10) as described in any of the preceding items; a support body (20), including a guide surface (201), the guide surface (201) is provided with a mounting groove (202), the side guide roller (10) is arranged in the mounting groove (202), and the working surface (44) of the roller body (4) protrudes from the guide surface (201).

[0013] According to one aspect of the embodiment of the present application, the support body (20) also includes a cooling pipe (203), the cooling pipe (203) passes through the installation groove (202) and is arranged corresponding to the cooling hole (42), and the cooling pipe (203) and the cooling hole (42) constitute a cooling structure (30); the support body (20) also includes a shaft sleeve (204), and the side guide roller (10) also includes a sealing assembly (5), the shaft sleeve (204) is sleeved on the connecting part (21) and / or the working part (22), and the shaft sleeve (204) and the sealing assembly (5) constitute a sealing structure (40).

[0014] The side guide roller (10) and the side guide device (100) provided in the embodiment of the present application are characterized in that the side guide roller (10) is provided with a cooling hole (42) and a receiving portion (43) to form a first pipeline (7), and the cooling liquid passes through the first pipeline (7) to cool the roller body (4), and at the same time, the end surface (41) and the cooling hole (42) are connected by the receiving portion (43) whose projection on the end surface (41) covers the projection of the cooling hole (42) on the end surface (41), so that the cooling liquid is not easy to be thrown out during operation, and the cooling effect can be fully achieved during the operation of the roller body (4). BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The features, advantages and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

[0016] Figure 1 It is a structural schematic diagram of a side guide roller provided in an embodiment of the present application;

[0017] Figure 2 yes Figure 1 A top view of the structure of the middle guide roller;

[0018] Figure 3 yes Figure 2 The cross-sectional structure diagram along A-A';

[0019] Figure 4 It is a structural schematic diagram of a side guide device provided in an embodiment of the present application.

[0020] in:

[0021] 10-side guide roller;

[0022] 2-pin shaft; 21-connecting part; 22-working part; 23-lubricating hole; 24-branch hole; 211-first connecting sub-part; 212-second connecting sub-part;

[0023] 3-bearing assembly; 31-first bearing; 311-first bearing outer ring; 312-first bearing inner ring; 32-second bearing; 321-second bearing outer ring; 322-second bearing inner ring;

[0024] 4- roller body; 41- end face; 42- cooling hole; 43- receiving portion; 44- working surface; 45- inner surface; 411- fixing surface; 412- setting surface; 413- first end face; 414- second end face; 421- opening; 431- receiving groove;

[0025] 5-seal assembly; 51-first seal group; 52-second seal group; 53-first seal; 54-second seal; 55-annular seal tooth; 56-annular cavity;

[0026] 6- Closed space;

[0027] 7-first pipeline; 8-second pipeline;

[0028] 100 - side guide device; 20 - support body; 201 - guide surface; 202 - mounting groove; 203 - cooling pipe; 204 - shaft sleeve; 30 - cooling structure; 40 - sealing structure.

[0029] In the drawings, the same reference numerals are used for the same components. The drawings are not drawn to scale. DETAILED DESCRIPTION

[0030] The features and exemplary embodiments of various aspects of the present application will be described in detail below. In the detailed description below, many specific details are proposed to provide a comprehensive understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without the need for some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by illustrating examples of the present application. In the accompanying drawings and the following description, at least some of the known structures and technologies are not shown to avoid unnecessary ambiguity in the present application; and, for clarity, the size of some structures may be exaggerated. In addition, the features, structures or characteristics described below may be combined in one or more embodiments in any suitable manner.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. In the absence of more restrictions, the elements limited by the sentence "comprise..." do not exclude the existence of other identical elements in the process, method, article or equipment including the elements.

[0032] The directional words appearing in the following description are all directions shown in the figures, and do not limit the specific structure of this application. In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set" and "connect" 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 directly connected or indirectly connected. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0033] See also Figure 1 , Figure 2 and Figure 3 An embodiment of the present application provides a side guide roller 10, which includes a pin shaft 2, a bearing assembly 3 and a roller body 4.

[0034] The pin 2 includes at least one connecting portion 21 and a working portion 22 distributed along the axial direction;

[0035] The bearing assembly 3 is sleeved on at least one end of the working portion 22;

[0036] The roller body 4 is sleeved on the bearing assembly 3 and is rotatably connected to the pin shaft 2 through the bearing assembly 3. The roller body 4 includes at least one end face 41, a receiving portion 43 and a cooling hole 42 distributed in the axial direction. The cooling hole 42 is arranged through the roller body 4. The cooling hole 42 and the end face 41 are connected through the receiving portion 43. The orthographic projection of the cooling hole 42 on the end face 41 is within the orthographic projection of the receiving portion 43 on the end face 41. The cooling hole 42 and the receiving portion 43 constitute a first pipeline 7.

[0037] The side guide roller 10 provided in the embodiment of the present application comprises a first pipeline 7 formed by setting a cooling hole 42 and a receiving portion 43. The coolant passes through the first pipeline 7 to cool the roller body 4. At the same time, the end face 41 and the cooling hole 42 are connected by the receiving portion 43 whose projection on the end face 41 covers the projection of the cooling hole 42 on the end face 41. The coolant is not easy to be thrown out during operation, and the cooling effect can be fully achieved during the operation of the roller body 4.

[0038] The pin 2 plays the role of fixing the side guide roller 10 and guiding the opposite side guide roller 10. The pin 2 is a mechanical part with a cylindrical shape, which can be divided into shaft sections with different functions along the axial direction for connecting or fixing different workpieces.

[0039] The pin 2 cooperates with the workpiece through a pre-machined guide groove or hole to ensure that the position of the workpiece in the entire device is accurate and stable. The pin 2 can also limit the movement range of the workpiece and limit the axial movement of a workpiece, thereby ensuring that the workpiece remains fixed in the desired position.

[0040] The connecting portion 21 of the pin 2 is fixedly connected to other structures or workpieces of the side guide device 100 (not shown in the figure), and the working portion 22 of the pin 2 is used to fix other structures or workpieces of the side guide roller 10 and limit the axial movement of other structures or workpieces of the side guide roller 10 along the pin 2.

[0041] The bearing assembly 3 is sleeved on the working part 22. According to the needs of different side guide rollers 10, the bearing assembly 3 can use bearings of different types and materials. The present application does not limit the type and material of the bearing assembly 3. Optionally, the bearing assembly 3 can be set as a deep groove ball bearing, including an inner ring, an outer ring, a group of steel balls as rolling components and a cage. The deep groove ball bearing can withstand radial and axial loads and is suitable for high-speed moving components.

[0042] The cooling hole 42 of the roller body 4 is set through the roller body 4. The coolant can flow in from the end face 41 provided with the receiving portion 43 connected to the cooling hole 42 and flow out from the other end face 41 or other structures set oppositely, so as to fully cool the roller body 4 running at high speed in a high temperature and humid environment.

[0043] At the same time, a receiving portion 43 is provided whose projection on the end surface 41 covers the projection of the cooling hole 42 on the end surface 41. The receiving portion 43 can receive the cooling liquid that falls into the receiving portion 43 during the high-speed operation of the roller body 4. The cooling liquid is not easily thrown out during the operation of the roller body 4. The cooling liquid can also cool the roller body 4 during the operation, and the cooling effect is better.

[0044] The first pipeline 7 only includes a receiving portion 43 and a cooling hole 42, and is not interconnected with other structures or workpieces of the side guide roller 10, thereby preventing the coolant from entering other structures or workpieces of the side guide roller 10 and causing interference, thereby affecting the normal operation of other structures or workpieces.

[0045] In some embodiments, the end surface 41 further includes a fixing surface 411 and a setting surface 412 successively distributed in the radial direction, the cooling hole 42 includes a plurality of openings 421 of the cooling holes 42 are disposed on the setting surface 412 and continuously spaced apart in the circumferential direction.

[0046] In these embodiments, the side guide roller 10 provided in the embodiment of the present application is divided into different functional areas by the end surface 41, and the end surface 41 is also used to connect with other structures or workpieces in the side guide roller 10, or to set other structures or workpieces, so as to prevent interference between structures or workpieces. A plurality of cooling holes 42 are arranged on the setting surface 412 and are distributed circumferentially and continuously at intervals, so that the cooling effect is better and the cooling effect is more uniform.

[0047] In some embodiments, the receiving portion 43 is a receiving groove 431 , and the receiving groove 431 is recessed along the axial direction by the setting surface 412 and is arranged along the circumferential direction to conduct the plurality of openings 421 .

[0048] In these embodiments, the side guide roller 10 provided in the present application has a more uniform cooling effect by configuring the receiving portion 43 as a receiving groove 431 , and the receiving groove 431 is connected to a plurality of openings 421 .

[0049] The shape of the receiving groove 431 is not limited here. Optionally, the cross-sectional shape of the receiving groove 431 can be set to be a trapezoid, an arc, or a combination of a trapezoid and an arc.

[0050] During the operation of the roller body 4, the receiving groove 431 can not only accommodate a larger capacity of coolant, but also, with the help of the centrifugal force generated by the rotation of the roller body 4, the coolant can be evenly distributed in the receiving groove 431, so that it falls into each cooling hole 42 more evenly and equally, thereby achieving a better cooling effect on the roller body 4.

[0051] In some embodiments, the side guide roller 10 also includes at least one sealing assembly 5, which is sleeved on the working part 22 and arranged at one end of the bearing assembly 3 close to the connecting part 21. The roller body 4 is fixedly connected to the bearing assembly 3 through the sealing assembly 5. The roller body 4 is fixedly connected to the sealing assembly 5 through a fixing surface 411. The sealing assembly 5 and the roller body 4 form a closed space 6, and the bearing assembly 3 is arranged in the closed space 6.

[0052] In these embodiments, the side guide roller 10 provided in the embodiment of the present application, by setting the sealing assembly 5 and its position, encloses the bearing assembly 3 in the closed space 6, thereby preventing the external high temperature and humid environment from further affecting the bearing assembly 3, and can fully lubricate the bearing assembly 3 with the lubricating oil in the closed space 6, thereby ensuring the normal operation of the side guide roller 10.

[0053] In some embodiments, the sealing assembly 5 includes at least a first seal 53 and a second seal 54, the first seal 53 is fixedly connected to the roller body 4, and the second seal 54 is fixedly connected to the bearing assembly 3, and the first seal 53 and the second seal 54 are relatively arranged with a plurality of annular sealing teeth 55 arranged in sequence along the radial direction, and annular cavities 56 are reserved between the annular sealing teeth 55. The annular sealing teeth 55 and the annular cavities 56 are arranged in cooperation to form a labyrinth seal.

[0054] In these embodiments, the side guide roller 10 provided in the embodiment of the present application further improves the sealing effect by forming a labyrinth seal by setting the annular sealing teeth 55 of the first seal 53 and the second seal 54 in cooperation with the annular cavity 56.

[0055] The annular sealing teeth 55 of the first seal 53 and the second seal 54 are arranged in cooperation with the annular cavity 56. Here, it means that the annular sealing teeth 55 of the first seal 53 are embedded in the annular cavity 56 between the two annular sealing teeth 55 of the second seal 54, and / or the annular sealing teeth 55 of the second seal 54 are embedded in the annular cavity 56 between the two annular sealing teeth 55 of the first seal 53, so as to cooperate to form a labyrinth seal.

[0056] The labyrinth seal is a sealing method that achieves sealing by creating a throttling effect on the gas through the gap between the annular sealing teeth 55. The labyrinth seal balances the pressure difference before and after the seal by forming a certain pressure drop caused by gas leakage through the seal. It is suitable for application scenarios with low leakage requirements and low pressure.

[0057] In some embodiments, the pin shaft 2 also includes a lubrication hole 23 arranged in the axial direction and a branch hole 24 arranged in the radial direction. The closed space 6 is connected to the lubrication hole 23 through the branch hole 24. The closed space 6, the branch hole 24 and the lubrication hole 23 constitute a second pipeline 8, and the first pipeline 7 and the second pipeline 8 do not interfere with each other.

[0058] In these embodiments, the side guide roller 10 provided in the embodiments of the present application forms a second pipeline 8 by means of the closed space 6, the branch hole 24 and the lubrication hole 23, so as to facilitate the addition of lubricating oil to the bearing assembly 3 to lubricate the bearing assembly 3, and the first pipeline 7 and the second pipeline 8 do not interfere with each other, and the lubrication-related structures and cooling-related structures of the side guide roller 10 will not interfere with each other, thereby ensuring the normal operation of the side guide roller 10.

[0059] In some embodiments, the connection portion 21 includes a first connection sub-portion 211 and a second connection sub-portion 212, and the pin shaft 2 includes a first connection sub-portion 211, a working portion 22, and a second connection sub-portion 212 that are successively distributed along the axial direction;

[0060] The bearing assembly 3 includes a first bearing 31 and a second bearing 32. The first bearing 31 is sleeved on one end of the working part 22 close to the first connecting sub-part 211, and the second bearing 32 is sleeved on one end of the working part 22 close to the second connecting sub-part 212.

[0061] The first bearing 31 includes a first bearing inner ring 312 and a first bearing outer ring 311, and the second bearing 32 includes a second bearing inner ring 322 and a second bearing outer ring 321. The first bearing outer ring 311 is rollingly connected to the first bearing inner ring 312, and the second bearing outer ring 321 is rollingly connected to the second bearing inner ring 322. The first bearing inner ring 312 is fixedly connected to the working part 22, and the second bearing inner ring 322 is fixedly connected to the working part 22.

[0062] The roller body 4 is a cylinder, and the roller body 4 also includes a working surface 44 and an inner surface 45. The end surface 41 includes a first end surface 413 and a second end surface 414 distributed along the axial direction. The first end surface 413 and the second end surface 414 are connected to the working surface 44 and the inner surface 45. The inner surface 45 is fixedly connected to the first bearing outer ring 311 and the second bearing outer ring 321.

[0063] In these embodiments, the side guide roller 10 provided in the embodiments of the present application is further improved in stability by cooperating with a first bearing 31 and a first end face 413 provided in the first connecting sub-portion 211, and a second bearing 32 and a second end face 414 provided in the second connecting sub-portion 212.

[0064] A rolling component is arranged between the first bearing inner ring 312 and the first bearing outer ring 311 and between the second bearing inner ring 322 and the second bearing outer ring 321. The first bearing 31 and the second bearing 32 can be set to various types of bearings such as deep groove ball bearings, cylindrical roller bearings and tapered roller bearings. The rolling component can be set to various types such as steel balls, cylindrical rollers or tapered rollers. It can be selected and set according to actual needs, and this application is not limited here.

[0065] In some embodiments, the side guide roller 10 also includes a sealing assembly 5, the sealing assembly 5 includes a first sealing group 51 and a second sealing group 52, the first sealing group 51 is sleeved on the end of the first bearing 31 close to the first connecting sub-portion 211, and the second sealing group 52 is sleeved on the end of the second bearing 32 close to the second connecting sub-portion 212; the roller body 4 is fixedly connected to the first bearing 31 through the first sealing group 51 and is fixedly connected to the first sealing group 51 through the first end face 413; the roller body 4 is fixedly connected to the second bearing through the second sealing group 52 and is fixedly connected to the second end face 414 with the second sealing group 52; the first sealing group 51 and the second sealing group 52 and the inner surface 45 form a closed space 6, and the first bearing 31 and the second bearing 32 are arranged in the closed space 6.

[0066] In these embodiments, the side guide roller 10 provided in the embodiment of the present application has a better sealing effect by respectively providing the first sealing group 51 and the second sealing group 52 on the first bearing 31 and the second bearing 32. The first sealing group 51 and the second sealing group 52 and the inner surface 45 form a closed space 6, which has a better lubrication effect.

[0067] On the other hand, see Figure 4 The embodiment of the present application also provides a side guide device 100, including a side guide roller 10 as described in any of the preceding items; a support body 20, including a guide surface 201, the guide surface 201 is provided with a mounting groove 202, the side guide roller 10 is arranged in the mounting groove 202, and the working surface 44 of the roller body 4 protrudes from the guide surface 201.

[0068] Since the side guide device 100 provided in the embodiment of the present application includes the side guide roller 10 of any of the above-mentioned embodiments, the side guide device 100 provided in the embodiment of the present application on the other hand has the beneficial effects of the side guide roller 10 of any of the above-mentioned first embodiments, which will not be repeated here.

[0069] The working surface 44 protrudes from the guide surface 201. When the hot-rolled plate enters the production area where the side guide device 100 is located, it will first contact the working surface 44 instead of the guide surface 201. The side guide device 100 realizes functions such as correcting the hot-rolled plate through the side guide roller 10.

[0070] In some embodiments, the support body 20 also includes a cooling pipe 203, the cooling pipe 203 passes through the mounting groove 202 and is arranged corresponding to the cooling hole 42, and the cooling pipe 203 and the cooling hole 42 constitute a cooling structure 30; the support body 20 also includes a shaft sleeve 204, and the side guide roller 10 also includes a sealing assembly 5, the shaft sleeve 204 is sleeved on the connecting part 21 and / or the working part 22, and the shaft sleeve 204 and the sealing assembly 5 constitute a sealing structure 40.

[0071] In these embodiments, the side guide roller 10 provided in the embodiment of the present application is provided with a cooling pipe 203 and a cooling hole 42 to form a cooling structure 30, and a shaft sleeve 204 and a sealing assembly 5 to form a sealing structure 40, so that coolant and lubricating oil can be added without disassembling the side guide roller 10, and the cooling and lubrication functions of the side guide roller 10 can be maintained and repaired.

[0072] The position and specific size of the sleeve 204 are not limited in the embodiment of the present application. The sleeve 204 can be set on different shaft sections of the pin 2 according to actual needs to tighten the connection between the structure or workpiece and the pin 2, or to achieve sealing between the structures or workpieces.

[0073] Although the present application has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present application. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there are no structural conflicts. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A side guide roller (10), characterized in that: include: A pin shaft (2) comprising at least one connecting portion (21) and a working portion (22) distributed along an axial direction; A bearing assembly (3) sleeved on at least one end of the working portion (22); A roller body (4) is sleeved on the bearing assembly (3) and is rotatably connected to the pin shaft (2) through the bearing assembly (3). The roller body (4) comprises at least one end face (41), a receiving portion (43) and a cooling hole (42) distributed along the axial direction. The cooling hole (42) is arranged through the roller body (4). The cooling hole (42) and the end face (41) are connected through the receiving portion (43). The orthographic projection of the cooling hole (42) on the end face (41) is within the orthographic projection of the receiving portion (43) on the end face (41). The cooling hole (42) and the receiving portion (43) form a first pipeline (7).

2. The side guide roller (10) according to claim 1, characterized in that: The end surface (41) further comprises a fixing surface (411) and a setting surface (412) which are successively distributed in the radial direction. The cooling hole (42) comprises a plurality of holes. The openings (421) of the cooling holes (42) are arranged on the setting surface (412) and are successively distributed in intervals in the circumferential direction.

3. The side guide roller (10) according to claim 2, characterized in that: The receiving portion (43) is a receiving groove (431), and the receiving groove (431) is recessed along the axial direction from the setting surface (412) and is arranged along the circumferential direction to conduct the plurality of openings (421).

4. The side guide roller (10) according to claim 2, characterized in that: The side guide roller (10) further comprises at least one sealing assembly (5), wherein the sealing assembly (5) is sleeved on the working portion (22) and arranged at one end of the bearing assembly (3) close to the connecting portion (21); the roller body (4) is fixedly connected to the bearing assembly (3) via the sealing assembly (5); the roller body (4) is fixedly connected to the sealing assembly (5) via the fixing surface (411); the sealing assembly (5) and the roller body (4) form a closed space (6); and the bearing assembly (3) is arranged in the closed space (6).

5. The side guide roller (10) according to claim 4, characterized in that: The sealing assembly (5) comprises at least a first sealing member (53) and a second sealing member (54), wherein the first sealing member (53) is fixedly connected to the roller body (4), and the second sealing member (54) is fixedly connected to the bearing assembly (3), and the first sealing member (53) and the second sealing member (54) are provided with a plurality of annular sealing teeth (55) arranged in sequence along a radial direction, respectively, and an annular cavity (56) is reserved between the annular sealing teeth (55), and the annular sealing teeth (55) and the annular cavity (56) are arranged in cooperation with each other to form a labyrinth seal.

6. The side guide roller (10) according to claim 5, characterized in that: The pin shaft (2) further comprises a lubrication hole (23) arranged in the axial direction and a branch hole (24) arranged in the radial direction; the closed space (6) is connected to the lubrication hole (23) via the branch hole (24); the closed space (6), the branch hole (24) and the lubrication hole (23) constitute a second pipeline (8); the first pipeline (7) and the second pipeline (8) do not interfere with each other.

7. The side guide roller (10) according to claim 1, characterized in that: The connecting portion (21) comprises a first connecting sub-portion (211) and a second connecting sub-portion (212); the pin shaft (2) comprises the first connecting sub-portion (211), the working portion (22) and the second connecting sub-portion (212) which are successively distributed in the axial direction; The bearing assembly (3) comprises a first bearing (31) and a second bearing (32), wherein the first bearing (31) is sleeved on one end of the working portion (22) close to the first connecting sub-portion (211), and the second bearing (32) is sleeved on one end of the working portion (22) close to the second connecting sub-portion (212); The first bearing (31) comprises a first bearing inner ring (312) and a first bearing outer ring (311); the second bearing (32) comprises a second bearing inner ring (322) and a second bearing outer ring (321); the first bearing outer ring (311) is rollingly connected to the first bearing inner ring (312); the second bearing outer ring (321) is rollingly connected to the second bearing inner ring (322); the first bearing inner ring (312) is fixedly connected to the working part (22); and the second bearing inner ring (322) is fixedly connected to the working part (22); The roller body (4) is a cylinder, and the roller body (4) also includes a working surface (44) and an inner surface (45). The end surface (41) includes a first end surface (413) and a second end surface (414) distributed along the axial direction. The first end surface (413) and the second end surface (414) are connected to the working surface (44) and the inner surface (45), and the inner surface (45) is fixedly connected to the first bearing outer ring (311) and the second bearing outer ring (321).

8. The side guide roller (10) according to claim 7, characterized in that: The side guide roller (10) further comprises a sealing assembly (5), wherein the sealing assembly (5) comprises a first sealing group (51) and a second sealing group (52), wherein the first sealing group (51) is sleeved on an end of the first bearing (31) close to the first connecting sub-portion (211), and the second sealing group (52) is sleeved on an end of the second bearing (32) close to the second connecting sub-portion (212); The roller body (4) is fixedly connected to the first bearing (31) via the first sealing group (51) and is fixedly connected to the first sealing group (51) via the first end surface (413); The roller body (4) is fixedly connected to the second bearing (32) via the second sealing group (52) and is fixedly connected to the second sealing group (52) via the second end surface (414); The first sealing group (51), the second sealing group (52) and the inner surface (45) form a closed space (6), and the first bearing (31) and the second bearing (32) are arranged in the closed space (6).

9. A side guide device (100), characterized in that: include: The side guide roller (10) as described in claims 1 to 8; The support body (20) comprises a guide surface (201), the guide surface (201) is provided with a mounting groove (202), the side guide roller (10) is arranged in the mounting groove (202), and the working surface (44) of the roller body (4) protrudes from the guide surface (201).

10. The side guide device (100) according to claim 9, characterized in that: The support body (20) further comprises a cooling pipe (203), wherein the cooling pipe (203) passes through the mounting groove (202) and is arranged corresponding to the cooling hole (42), and the cooling pipe (203) and the cooling hole (42) form a cooling structure (30); The support body (20) further includes a shaft sleeve (204), and the side guide roller (10) further includes a sealing assembly (5). The shaft sleeve (204) is sleeved on the connecting portion (21) and / or the working portion (22), and the shaft sleeve (204) and the sealing assembly (5) form a sealing structure (40).

Images