A drive roller mechanism

Abstract

The application provides a transmission roller mechanism, which comprises a roller assembly, a first mounting end and a second mounting end arranged axially, a first mounting plate provided with a through hole for the second mounting end to pass through, and a second mounting plate arranged axially with the first mounting plate; wherein the first mounting end is mounted on the first mounting plate, and the second mounting end can pass through the through hole to be mounted on the second mounting plate. By arranging the through hole for the second mounting end of the roller assembly to pass through on the first mounting plate, when the roller assembly is mounted, the second mounting end of the roller assembly can be inserted from the through hole, so that the second mounting end of the roller assembly is locked and mounted on the second mounting plate; when the roller assembly is dismounted, the first mounting end and the first mounting plate are unlocked, the second mounting end and the second mounting plate are unlocked, and then the roller assembly is pulled out from the through hole, so that the whole roller assembly is conveniently dismounted and mounted.

Description

Technical Field

[0001] This application relates to the field of transmission equipment technology, and in particular to a transmission roller mechanism. Background Technology

[0002] In mechanical transmission equipment, a transmission roller mechanism is often required. The transmission roller in the transmission roller mechanism needs to be mounted on a mounting plate. That is, one end of the transmission roller is mounted on a first mounting plate and the other end is mounted on a second mounting plate. Since the first and second mounting plates are usually fixed in the mechanical transmission equipment and their positions are unchanged, that is, the distance between the first and second mounting plates is fixed, it is easy to make the transmission roller difficult to install, making the disassembly and assembly of the transmission roller relatively complicated. Utility Model Content

[0003] This application provides a transmission roller mechanism to solve the problem that the assembly and disassembly of existing transmission rollers are relatively complicated.

[0004] This application provides a transmission roller mechanism, including:

[0005] A roller assembly, the roller assembly including a first mounting end and a second mounting end spaced apart along the axial direction;

[0006] A first mounting plate, wherein the first mounting plate is provided with a through hole for the second mounting end to pass through; and

[0007] A second mounting plate is provided at an axial distance from the first mounting plate along the roller assembly;

[0008] The first mounting end is mounted on the first mounting plate, and the second mounting end can pass through the through hole to be mounted on the second mounting plate.

[0009] Optionally, the roller assembly includes:

[0010] The main shaft includes a roller mounting portion and a first mounting end and a second mounting end disposed opposite to each other, the roller mounting portion being connected between the first mounting end and the second mounting end;

[0011] A first mounting base is sleeved on the first mounting end, and the first mounting end is mounted on the first mounting plate via the first mounting base;

[0012] A second mounting base is sleeved on the second mounting end. The maximum radial dimension of the second mounting base is less than or equal to the diameter of the through hole. The second mounting base can pass through the through hole to be mounted on the second mounting plate.

[0013] A roller is fitted onto the roller mounting section.

[0014] Optionally, the second mounting base includes a second sleeve portion and a second mounting portion. The second mounting portion protrudes radially from the second sleeve portion. The radial dimension of the second mounting portion is less than or equal to the diameter of the through hole. The second sleeve portion is sleeved on the second mounting end. The second mounting portion is used to mount on the second mounting plate.

[0015] Optionally, the first mounting base includes a first sleeve portion and a first mounting portion. The first mounting portion protrudes radially from the first sleeve portion. The radial dimension of the first mounting portion is larger than the diameter of the through hole. The first sleeve portion is sleeved on the first mounting end. The first mounting portion is used to mount on the first mounting plate.

[0016] Optionally, the first mounting base is provided with a first bearing mounting hole that passes through the first mounting base. The roller assembly further includes a first bearing, a first end cover, and a second end cover. The first bearing is sleeved on the first mounting end and installed in the first bearing mounting hole. The first end cover is located on the side of the first mounting base facing the roller. The second end cover is located on the side of the first mounting base away from the roller.

[0017] Optionally, the second mounting base is provided with a second bearing mounting hole that passes through the second mounting base. The roller assembly further includes a second bearing, a third bearing, and a bearing limiting sleeve. The second bearing and the third bearing are axially spaced and sleeved on the second mounting end and installed in the second bearing mounting hole. The bearing limiting sleeve is sleeved on the second mounting end and located between the second bearing and the third bearing. One end of the bearing limiting sleeve abuts against the inner ring of the second bearing, and the other end of the bearing limiting sleeve abuts against the inner ring of the third bearing.

[0018] Optionally, the third bearing is located on the side of the second bearing facing the roller, and the roller assembly further includes a first bearing limiting member and a limiting end cap. The first bearing limiting member is sleeved on the second mounting end, and the first bearing limiting member is located on the side of the third bearing facing the roller and abuts against the inner ring of the third bearing. The limiting end cap is covered on the side of the second mounting base facing the roller and abuts against the outer ring of the third bearing.

[0019] Optionally, the roller assembly further includes a fourth bearing and a fifth bearing, the roller being tumbledly mounted on the roller mounting portion via the fourth bearing and the fifth bearing, the fourth bearing and the fifth bearing being located at both ends of the roller respectively.

[0020] Optionally, the roller includes a roller body, a first bearing seat and a second bearing seat, the first bearing seat and the second bearing seat are respectively disposed at both ends of the roller body, the fourth bearing is installed on the first bearing seat and sleeved on the roller mounting part, and the fifth bearing is installed on the second bearing seat and sleeved on the roller mounting part.

[0021] Optionally, the fourth bearing is located at one end of the roller body near the second mounting seat, and the fifth bearing is located at one end of the roller body near the first mounting seat. The roller also includes a second bearing limiting member and a third bearing limiting member. The second bearing limiting member is sleeved on the roller mounting portion and is located on the side of the fourth bearing facing the second mounting seat, abutting against the inner ring of the fourth bearing. The third bearing limiting member is sleeved on the roller mounting portion and is located on the side of the fifth bearing facing the first mounting seat, abutting against the inner ring of the fifth bearing.

[0022] The transmission roller mechanism provided in this application embodiment has a through hole provided on the first mounting plate for the second mounting end of the roller assembly to pass through. This allows the second mounting end of the roller assembly to be inserted through the through hole during installation, facilitating its locking onto the second mounting plate. The first mounting end of the roller assembly is then locked onto the first mounting plate, thus enabling convenient installation of the roller assembly on both the first and second mounting plates. During disassembly, the first mounting end can be unlocked from the first mounting plate, and the second mounting end can be unlocked from the second mounting plate. The roller assembly can then be pulled out through the through hole, facilitating the overall assembly and disassembly of the roller assembly. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0025] Figure 1 This is a first exploded view of the transmission roller mechanism provided in the embodiments of this application.

[0026] Figure 2 This is a second exploded view of the transmission roller mechanism provided in the embodiments of this application.

[0027] Figure 3 This is a cross-sectional view of the roller assembly provided in an embodiment of this application.

[0028] Figure 4 This is an exploded view of the roller assembly provided in an embodiment of this application.

[0029] Figure 5 for Figure 3 Enlarged diagram of point A in the middle.

[0030] Figure 6 for Figure 3 Enlarged diagram of point B in the middle.

[0031] Figure 7 for Figure 3 Enlarged diagram of point C in the middle.

[0032] Figure 8 for Figure 3 Enlarged diagram of point D in the middle.

[0033] Figure 9 A schematic diagram of the structure of the roller body, the first bearing housing, and the second bearing housing provided in the embodiments of this application.

[0034] Figure label:

[0035] 100. Transmission roller mechanism;

[0036] 10. Roller assembly; 11. First mounting end; 12. Second mounting end;

[0037] 13. Main shaft; 131. Roller mounting section;

[0038] 14. First mounting base; 141. First sleeve part; 142. First mounting part; 143. First bearing mounting hole;

[0039] 15. Second mounting base; 151. Second sleeve part; 152. Second mounting part; 153. Second bearing mounting hole;

[0040] 16. Roller; 161. Roller body; 162. First bearing housing; 163. Second bearing housing; 164. Second bearing limiting component; 165. Third bearing limiting component;

[0041] 17. First bearing; 18. First end cap; 19. Second end cap; 101. Second bearing; 102. Third bearing; 103. Bearing limiting sleeve; 104. First bearing limiting component; 105. Limiting end cap; 106. Fourth bearing; 107. Fifth bearing;

[0042] 20. First mounting plate; 21. Through hole;

[0043] 30. Second mounting plate. Detailed Implementation

[0044] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.

[0045] In this document, references to "embodiment" or "implementation" mean that a particular feature, component, or characteristic described in connection with an embodiment or implementation may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0046] It should be noted that the terms "first," "second," etc., in the specification, claims, and drawings of this application are used to distinguish different objects, not to describe a specific order, and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined as "first" or "second" may explicitly or implicitly include one or more features. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0047] This application provides a transmission roller mechanism to solve the problem of complex assembly and disassembly of existing transmission rollers. The following description will be provided in conjunction with the accompanying drawings.

[0048] For example, please refer to Figure 1 and Figure 2 The transmission roller mechanism 100 includes a roller assembly 10, a first mounting plate 20, and a second mounting plate 30. It is understood that the first mounting plate 20 and the second mounting plate 30 are used to mount the roller assembly 10, that is, the first mounting plate 20 and the second mounting plate 30 serve to support the roller assembly 10. The second mounting plate 30 and the first mounting plate 20 are spaced apart along the axial direction of the roller assembly 10. The roller assembly 10 includes a first mounting end 11 and a second mounting end 12 spaced apart along the axial direction.

[0049] It should be noted that in related technologies, since the first mounting plate and the second mounting plate are usually fixedly installed in mechanical transmission equipment and their positions are unchanged, that is, the distance between the first mounting plate and the second mounting plate is fixed, it is easy to make the transmission roller shaft difficult to install, making the disassembly and assembly of the transmission roller shaft more complicated.

[0050] Therefore, please refer to the embodiments in this application. Figure 1 and Figure 2 The first mounting plate 20 is provided with a through hole 21 for the second mounting end 12 to pass through. The first mounting end 11 is mounted on the first mounting plate 20, and the second mounting end 12 can pass through the through hole 21 to be mounted on the second mounting plate 30. This is understandable. Figure 1 This is an exploded view of the second mounting end 12 before it passes through the through hole 21. Figure 2 This is an exploded view of the second mounting end 12 after it passes through the through hole 21.

[0051] The transmission roller mechanism 100 provided in this application embodiment has a through hole 21 on the first mounting plate 20 for the second mounting end 12 of the roller assembly 10 to pass through. When installing the roller assembly 10, the second mounting end 12 of the roller assembly 10 can be inserted through the through hole 21 to lock the second mounting end 12 of the roller assembly 10 onto the second mounting plate 30. Then, the first mounting end 11 of the roller assembly 10 is locked onto the first mounting plate 20, thus facilitating the installation of the roller assembly 10 on the first mounting plate 20 and the second mounting plate 30. When disassembling the roller assembly 10, the first mounting end 11 can be unlocked from the first mounting plate 20, the second mounting end 12 can be unlocked from the second mounting plate 30, and then the roller assembly 10 can be pulled out through the through hole 21, thus facilitating the overall assembly and disassembly of the roller assembly 10.

[0052] To facilitate a clearer description of the specific structure of the transmission roller mechanism 100, the following will provide a detailed explanation of the roller assembly 10 and other structures in the transmission roller mechanism 100, in conjunction with the accompanying drawings.

[0053] This is understandable; please refer to [link / reference]. Figures 1 to 3 The roller assembly 10 may include a main shaft 13, a first mounting base 14, a second mounting base 15, and a roller 16. The main shaft 13 includes a roller mounting portion 131 and a first mounting end 11 and a second mounting end 12 disposed opposite to each other. The roller mounting portion 131 is connected between the first mounting end 11 and the second mounting end 12. The roller 16 is sleeved on the roller mounting portion 131. The first mounting base 14 is sleeved on the first mounting end 11, and the first mounting end 11 is mounted on the first mounting plate 20 through the first mounting base 14. The second mounting base 15 is sleeved on the second mounting end 12. It is understood that the maximum radial dimension of the second mounting base 15 is less than or equal to the diameter of the through hole 21, so that the second mounting base 15 can pass through the through hole 21 to be mounted on the second mounting plate 30.

[0054] For example, the installation process of the roller assembly 10 can be as follows: the roller 16 is fitted onto the roller mounting portion 131 of the main shaft 13; the first mounting seat 14 is installed on the first mounting end 11 of the main shaft 13; the second mounting seat 15 is installed on the second mounting end 12 of the main shaft 13; after the roller assembly 10 is assembled, the second mounting seat 15 is passed through the through hole 21, and then the second mounting seat 15 is installed on the second mounting plate 30 using screws or other locking devices; and the first mounting seat 14 is installed on the first mounting plate 20 using screws or other locking devices. During disassembly, the first mounting seat 14 can be unlocked from the first mounting plate 20, the second mounting seat 15 can be unlocked from the second mounting plate 30, and then the roller assembly 10 can be pulled out through the through hole 21, thus facilitating the overall assembly and disassembly of the roller assembly 10.

[0055] Of course, it is also understandable that in some other embodiments, it is not necessary to install the first mounting base 14 onto the first mounting end 11 of the main shaft 13 firstly. Instead, the first mounting base 14 can be installed onto the first mounting end 11 of the main shaft 13 after the second mounting end 12, on which the second mounting base 15 is mounted, has passed through the through hole 21, and the first mounting base 14 is then locked to the first mounting plate 20. Specifically, the installation process of the roller assembly 10 can be as follows: the roller 16 is fitted onto the roller mounting part 131 of the main shaft 13, the second mounting base 15 is installed onto the second mounting end 12 of the main shaft 13, the second mounting base 15 is passed through the through hole 21, and then the second mounting base 15 is installed onto the second mounting plate 30 using screws or other locking devices. The first mounting base 14 is installed onto the first mounting end 11 of the main shaft 13, and then the first mounting base 14 is installed onto the first mounting plate 20 using screws or other locking devices.

[0056] In some embodiments, for ease of mounting the second mounting base 15 onto the second mounting plate 30, please refer to [reference needed]. Figure 1 and Figure 2 The second mounting base 15 includes a second sleeve portion 151 and a second mounting portion 152. The second mounting portion 152 protrudes radially from the second sleeve portion 151. The radial dimension of the second mounting portion 152 is less than or equal to the diameter of the through hole 21. The second sleeve portion 151 is sleeved on the second mounting end 12. The second mounting portion 152 is used to mount on the second mounting plate 30. Because the radial dimension of the second mounting portion 152 is less than or equal to the diameter of the through hole 21, the second mounting base 15 can pass through the through hole 21.

[0057] For example, the second mounting part 152 may be provided with a second connecting hole, and a second fastener may pass through the second connecting hole and connect with the second mounting plate 30, thereby enabling the second mounting base 15 to be mounted on the second mounting plate 30. The second fastener may be a bolt, and the second mounting base 15 is mounted on the second mounting plate 30 by bolt connection.

[0058] Understandably, spindle 13 needs to rotate relative to the second mounting base 15. For smoother rotation of spindle 13, please refer to [link / reference needed]. Figures 3 to 5 The second mounting base 15 is provided with a second bearing mounting hole 153 passing through the second mounting base 15. The roller assembly 10 also includes a second bearing 101, a third bearing 102, and a bearing limiting sleeve 103. The second bearing 101 and the third bearing 102 are axially spaced and sleeved on the second mounting end 12 and installed in the second bearing mounting hole 153. The bearing limiting sleeve 103 is sleeved on the second mounting end 12 and located between the second bearing 101 and the third bearing 102. One end of the bearing limiting sleeve 103 abuts against the inner ring of the second bearing 101, and the other end of the bearing limiting sleeve 103 abuts against the inner ring of the third bearing 102. By setting two spaced bearings (i.e., the second bearing 101 and the third bearing 102), better support can be provided for the second mounting end 12, improving the rotational stability of the main shaft 13. The bearing limiting sleeve 103 abuts against the inner rings of the second bearing 101 and the third bearing 102, which can better position the second bearing 101 and the third bearing 102.

[0059] The third bearing 102 is located on the side of the second bearing 101 facing the roller 16. For better positioning of the third bearing 102, please refer to [the relevant documentation]. Figures 3 to 5 The roller assembly 10 also includes a first bearing limiting member 104 and a limiting end cap 105. The first bearing limiting member 104 is sleeved on the second mounting end 12, located on the side of the third bearing 102 facing the roller 16 and abutting against the inner ring of the third bearing 102. The limiting end cap 105 covers the side of the second mounting seat 15 facing the roller 16 and abuts against the outer ring of the third bearing 102. Thus, the cooperation of the first bearing limiting member 104, the limiting end cap 105, and the bearing limiting sleeve 103 makes the third bearing 102 more securely installed. The limiting end cap 105 can cover at least a portion of the structure of the third bearing 102 and also serves as a dustproof measure.

[0060] For example, the limiting end cap 105 can be installed on the second mounting base 15 by means of screw fastening, and the first bearing limiting member 104 can be fixed to the second mounting end 12 of the spindle 13 by means of locking screws.

[0061] It is understandable that, in order to facilitate the installation of the first mounting base 14 onto the first mounting plate 20, please refer to [link / reference needed]. Figure 3 , Figure 4 and Figure 6The first mounting base 14 includes a first sleeve portion 141 and a first mounting portion 142. The first mounting portion 142 protrudes radially from the first sleeve portion 141, and the radial dimension of the first mounting portion 142 is larger than the diameter of the through hole 21. The first sleeve portion 141 is sleeved on the first mounting end 11, and the first mounting portion 142 is used to mount on the first mounting plate 20. Since the radial dimension of the first mounting portion 142 is larger than the diameter of the through hole 21, the through hole 21 allows the second mounting base 15 to pass through while preventing the first mounting base 142 from passing through. Therefore, when the second mounting base 15 passes through the through hole 21, the first mounting portion 142 can be limited and cannot pass through the through hole 21, so as to facilitate the mounting of the first mounting portion 142 onto the first mounting plate 20.

[0062] For example, the first mounting part 142 may be provided with a first connecting hole, and a first fastener may pass through the first connecting hole and connect with the first mounting plate 20, thereby enabling the first mounting base 14 to be mounted on the first mounting plate 20. The first fastener may be a bolt, and the first mounting base 14 is mounted on the first mounting plate 20 by bolt connection.

[0063] Understandably, the spindle 13 needs to rotate relative to the first mounting base 14. To ensure smoother rotation of the spindle 13, please refer to [link / reference needed]. Figure 3 , Figure 4 and Figure 6 The first mounting base 14 is provided with a first bearing mounting hole 143 passing through the first mounting base 14. The roller assembly 10 also includes a first bearing 17, a first end cap 18, and a second end cap 19. The first bearing 17 is sleeved on the first mounting end 11 and installed in the first bearing mounting hole 143. The first end cap 18 is located on the side of the first mounting base 14 facing the roller 16, and the second end cap 19 is located on the side of the first mounting base 14 away from the roller 16. With the first end cap 18 and the second end cap 19 covering it, the first bearing 17 can be covered in the first bearing mounting hole 143, which serves to protect the first bearing 17 and prevent dust.

[0064] For example, the first end cap 18 and the second end cap 19 can be mounted on the first mounting base 14 by means of screws.

[0065] In some embodiments, to facilitate rotation of the roller 16 relative to the roller mounting portion 131, please refer to... Figure 3 , Figure 7 and Figure 8The roller assembly 10 also includes a fourth bearing 106 and a fifth bearing 107. The roller 16 is rolled on the roller mounting part 131 via the fourth bearing 106 and the fifth bearing 107, which are located at both ends of the roller 16. By providing two spaced-apart bearings (i.e., the fourth bearing 106 and the fifth bearing 107 are located at both ends of the roller 16), better support can be provided for the roller 16, improving the rotational stability of the roller 16.

[0066] For details, please refer to Figure 3 , Figures 7 to 9 The roller 16 includes a roller body 161, a first bearing seat 162, and a second bearing seat 163. The first bearing seat 162 and the second bearing seat 163 are respectively disposed at both ends of the roller body 161. A fourth bearing 106 is mounted on the first bearing seat 162 and sleeved on the roller mounting part 131, and a fifth bearing 107 is mounted on the second bearing seat 163 and sleeved on the roller mounting part 131. By providing the first bearing seat 162 and the second bearing seat 163, the installation and replacement of the fourth bearing 106 and the fifth bearing 107 can be facilitated.

[0067] It should be noted that the first bearing housing 162 and the second bearing housing 163 can be fixed to both ends of the roller body 161 by welding. Of course, other fixing methods can also be used, such as threaded connection or locking with fasteners. This application does not limit the fixing method between the roller body 161, the first bearing housing 162 and the second bearing housing 163. It can also be understood that the first bearing housing 162 and the second bearing housing 163 can also be integrally formed on both ends of the roller body 161.

[0068] The fourth bearing 106 is located at the end of the roller body 161 near the second mounting base 15, and the fifth bearing 107 is located at the end of the roller body 161 near the first mounting base 14. To better secure the fourth bearing 106 and the fifth bearing 107, the roller 16 also includes a second bearing limiting member 164 and a third bearing limiting member 165. The second bearing limiting member 164 is sleeved on the roller mounting part 131, located on the side of the fourth bearing 106 facing the second mounting base 15 and abutting against the inner ring of the fourth bearing 106. The third bearing limiting member 165 is sleeved on the roller mounting part 131, located on the side of the fifth bearing 107 facing the first mounting base 14 and abutting against the inner ring of the fifth bearing 107. This ensures stable installation of the fourth bearing 106 and the fifth bearing 107.

[0069] For example, the second bearing limiting member 164 can be fixed to the roller mounting part 131 by locking screws, and the third bearing limiting member 165 can also be fixed to the roller mounting part 131 by locking screws.

[0070] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0071] The transmission roller mechanism provided in the embodiments of this application has been described in detail above. Specific examples have been used to illustrate the principle and implementation of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core idea of ​​this application. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A transmission roller mechanism, characterized in that, include: A roller assembly, the roller assembly including a first mounting end and a second mounting end spaced apart along the axial direction; A first mounting plate, wherein the first mounting plate is provided with a through hole for the second mounting end to pass through; and A second mounting plate is provided at an axial distance from the first mounting plate along the roller assembly; The first mounting end is mounted on the first mounting plate, and the second mounting end can pass through the through hole to be mounted on the second mounting plate.

2. The transmission roller mechanism according to claim 1, characterized in that, The roller assembly includes: The main shaft includes a roller mounting portion and a first mounting end and a second mounting end disposed opposite to each other, the roller mounting portion being connected between the first mounting end and the second mounting end; A first mounting base is sleeved on the first mounting end, and the first mounting end is mounted on the first mounting plate via the first mounting base; A second mounting base is sleeved on the second mounting end. The maximum radial dimension of the second mounting base is less than or equal to the diameter of the through hole. The second mounting base can pass through the through hole to be mounted on the second mounting plate. A roller is fitted onto the roller mounting section.

3. The transmission roller mechanism according to claim 2, characterized in that, The second mounting base includes a second sleeve portion and a second mounting portion. The second mounting portion protrudes radially from the second sleeve portion. The radial dimension of the second mounting portion is less than or equal to the diameter of the through hole. The second sleeve portion is sleeved on the second mounting end. The second mounting portion is used to mount on the second mounting plate.

4. The transmission roller mechanism according to claim 2, characterized in that, The first mounting base includes a first sleeve portion and a first mounting portion. The first mounting portion protrudes radially from the first sleeve portion. The radial dimension of the first mounting portion is larger than the diameter of the through hole. The first sleeve portion is sleeved on the first mounting end. The first mounting portion is used to mount on the first mounting plate.

5. The transmission roller mechanism according to claim 2, characterized in that, The first mounting base is provided with a first bearing mounting hole that passes through the first mounting base. The roller assembly also includes a first bearing, a first end cover and a second end cover. The first bearing is sleeved on the first mounting end and installed in the first bearing mounting hole. The first end cover is located on the side of the first mounting base facing the roller. The second end cover is located on the side of the first mounting base away from the roller.

6. The transmission roller mechanism according to claim 2, characterized in that, The second mounting base is provided with a second bearing mounting hole that passes through the second mounting base. The roller assembly also includes a second bearing, a third bearing, and a bearing limiting sleeve. The second bearing and the third bearing are axially spaced and sleeved on the second mounting end and installed in the second bearing mounting hole. The bearing limiting sleeve is sleeved on the second mounting end and located between the second bearing and the third bearing. One end of the bearing limiting sleeve abuts against the inner ring of the second bearing, and the other end of the bearing limiting sleeve abuts against the inner ring of the third bearing.

7. The transmission roller mechanism according to claim 6, characterized in that, The third bearing is located on the side of the second bearing facing the roller. The roller assembly also includes a first bearing limiting member and a limiting end cap. The first bearing limiting member is sleeved on the second mounting end and is located on the side of the third bearing facing the roller, abutting against the inner ring of the third bearing. The limiting end cap is covered on the side of the second mounting base facing the roller and abutting against the outer ring of the third bearing.

8. The transmission roller mechanism according to claim 2, characterized in that, The roller assembly further includes a fourth bearing and a fifth bearing. The roller is tumbledly mounted on the roller mounting part via the fourth bearing and the fifth bearing. The fourth bearing and the fifth bearing are located at both ends of the roller, respectively.

9. The transmission roller mechanism according to claim 8, characterized in that, The roller includes a roller body, a first bearing seat and a second bearing seat. The first bearing seat and the second bearing seat are respectively disposed at both ends of the roller body. The fourth bearing is installed on the first bearing seat and sleeved on the roller mounting part. The fifth bearing is installed on the second bearing seat and sleeved on the roller mounting part.

10. The transmission roller mechanism according to claim 9, characterized in that, The fourth bearing is located at one end of the roller body near the second mounting seat, and the fifth bearing is located at one end of the roller body near the first mounting seat. The roller also includes a second bearing limiting member and a third bearing limiting member. The second bearing limiting member is sleeved on the roller mounting portion and is located on the side of the fourth bearing facing the second mounting seat, abutting against the inner ring of the fourth bearing. The third bearing limiting member is sleeved on the roller mounting portion and is located on the side of the fifth bearing facing the first mounting seat, abutting against the inner ring of the fifth bearing.

Images