Transmission drum with novel structure
By designing threaded connections and snap-fit structures in the drive roller, the disassembly and assembly of the roller shaft and the cylinder body are facilitated. After welding, the roller is annealed separately, which solves the problems of difficult disassembly and assembly and internal stress, and improves the strength and reliability.
Patent Information
- Application Number
- CN202520002078.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2035-01-02
AI Technical Summary
The existing drive roller is difficult to disassemble and assemble, and the welded roller body cannot be annealed to remove internal stress, which makes the shaft prone to breakage and results in low overall strength.
A novel transmission roller structure is designed, in which one end of the roller shaft is threaded to one end of the cylinder body, and the other end is clamped to the other end of the cylinder body. The cylinder body and the roller shaft rotate synchronously. The threaded connection and clamping facilitate disassembly and assembly, and the internal stress is removed by separate annealing after welding.
It enables convenient disassembly and assembly of the drive roller, and the welded cylinder body can be annealed to remove internal stress, improving the overall strength and avoiding shaft breakage.
Smart Images

Figure CN223560467U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a belt conveyor technical field, specifically, relate to a new structure transmission cylinder. BACKGROUND
[0002] At present, the transmission cylinder of the belt conveyor is widely used, the cylinder body of the transmission cylinder exists internal stress after welding, the shaft cannot be taken out from the cylinder body after welding, therefore the cylinder body cannot be annealed to remove the internal stress, the spring retaining groove is opened on the shaft and is used for the axial positioning of the bearing, the positioning groove weakens the strength of the shaft, so that the shaft is prone to breakage. SUMMARY
[0003] The utility model aims at providing a new structure transmission cylinder to solve the problems of difficult disassembly of the cylinder, the cylinder body cannot be annealed to remove the internal stress after welding, low overall strength and easy breakage of the shaft in the prior art.
[0004] The embodiment of the utility model is realized as follows:
[0005] The embodiment of the utility model provides a new structure transmission cylinder, which comprises a cylinder body;
[0006] The shaft of the cylinder body is provided with a roller shaft, one end of the roller shaft penetrates one end of the cylinder body and is threadedly connected to one end of the cylinder body, and the other end of the roller shaft penetrates the other end of the cylinder body and is clamped to the other end of the cylinder body;
[0007] The cylinder body and the roller shaft rotate synchronously.
[0008] In use, first, the roller shaft is rotated, so that one end of the roller shaft is separated from one end of the cylinder body, then the other end of the roller shaft is gripped and the roller shaft is pulled out, and finally the welded cylinder body can be annealed alone, and the roller shaft subjected to the quenching and tempering treatment is not affected, so that the welding stress of the cylinder body is eliminated and the structural strength is improved.
[0009] The new structure transmission cylinder disclosed by the embodiment has the beneficial effects that the threaded end of the roller shaft is fixed to one end of the cylinder body, the other end of the roller shaft is clamped to the other end of the cylinder body, the roller shaft and the cylinder body are convenient to disassemble, and the new structure transmission cylinder has the beneficial effects of convenient disassembly, the welded cylinder body can be annealed to remove the internal stress, the strength is improved, and the shaft is not prone to breakage.
[0010] Optionally, a first stepped hole is formed at the other end of the cylinder body, a second hole is formed at the one end of the cylinder body, and the inner diameter of the first stepped hole is greater than the inner diameter of the second hole.
[0011] Thus, the one end of the roller shaft is first inserted through the first stepped hole and then through the second hole, facilitating the installation and removal of the roller shaft and the taking out of the cylinder for separate annealing after welding, so as to eliminate the welding stress.
[0012] Optionally, the one end of the roller shaft is inserted through the second hole and has a threaded segment, the outer wall of the threaded segment is provided with external threads, and the threaded segment is externally sleeved with a nut, the nut is threadedly connected with the external threads of the threaded segment and abuts against the one end of the cylinder.
[0013] Thus, the one end of the roller shaft is first inserted through the first stepped hole and then through the second hole, facilitating the installation and removal of the roller shaft and the taking out of the cylinder for separate annealing after welding, so as to eliminate the welding stress.
[0014] Optionally, a stop washer is arranged between the nut and the one end of the cylinder, the stop washer is sleeved on the threaded segment and tightly abuts against the nut and the one end of the cylinder.
[0015] Thus, the stop washer can not only protect the cylinder from being damaged by the nut being too tight, but also prevent the cylinder from rotating around the roller shaft, so that the roller shaft, the cylinder and the nut can rotate together.
[0016] Optionally, the other end of the roller shaft has a shoulder segment, the shoulder segment is limited in the first stepped hole and is adapted to the first stepped hole.
[0017] Thus, the mutual adaptation of the shoulder segment and the first stepped hole can limit the movement of the roller shaft in the direction of the second hole, and when the nut is locked on the threaded segment, the shoulder segment abuts against the first stepped hole, so that the roller shaft and the cylinder are connected as a whole, facilitating the installation and removal of the roller shaft and the cylinder and the separate annealing of the welded cylinder.
[0018] Optionally, the shoulder segment has an adapting segment and a limiting segment, the adapting segment is located in the first stepped hole, and the limiting segment is clamped on the outer end of the first stepped hole away from the second hole.
[0019] Thus, the adapting segment can realize the guiding effect, and the limiting segment can limit the position of the movement of the roller shaft in the cylinder.
[0020] Optionally, one end of the roller shaft is provided with a first bearing seat, the one end of the roller shaft is rotatably connected to the first bearing seat, the other end of the roller shaft is provided with a second bearing seat, and the other end of the roller shaft is rotatably connected to the second bearing seat.
[0021] In this way, the two ends of the roller shaft are rotatably connected to the first bearing seat and the second bearing seat respectively, which facilitates the rotation of the roller shaft and the cylinder, realizes the rotation effect of the drum of the belt conveyor, and facilitates the transmission of the belt.
[0022] Optionally, the cylinder has an outer shell, the outer shell has a first positioning frame and a second positioning frame at the two ends inside the outer shell respectively, the first positioning frame and the second positioning frame are fixedly connected to the two ends of the outer shell respectively, and the roller shaft is located on the shaft centers of the first positioning frame and the second positioning frame and is clamped and positioned with the first positioning frame and the second positioning frame.
[0023] In this way, the first positioning frame and the second positioning frame can support the outer shell, effectively reducing the self-weight of the cylinder, saving the equipment cost, and facilitating the installation and disassembly of the roller shaft.
[0024] In combination with the above description, the new structure transmission drum has the beneficial effects of convenient disassembly and assembly, annealing of the welded cylinder to remove internal stress, improved strength, and difficulty in shaft breakage. BRIEF DESCRIPTION OF DRAWINGS
[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0026] Figure 1 is a sectional view of the new structure transmission drum in the embodiments of the present application;
[0027] Figure 2 is the new structure transmission drum in the embodiments of the present application Figure 1 is an enlarged schematic view of A in the embodiments of the present application;
[0028] Figure 3 is the new structure transmission drum in the embodiments of the present application Figure 1 is an enlarged schematic view of B in the embodiments of the present application;
[0029] Figure 4 is a structural schematic view of the roller shaft in the embodiments of the present application;
[0030] Figure 5 is the new structure transmission drum in the embodiments of the present applicationFigure 4 Enlarged view at C;
[0031] Figure 6 For the embodiment of the utility model Figure 4 Enlarged view at D;
[0032] Figure 7 For the structure diagram of the cylinder in the embodiment of the utility model.
[0033] Icon: 1-cylinder, 2-roller shaft, 3-first stepped hole, 4-second hole, 5-threaded section, 6-nut, 7-stop washer, 8-shoulder section, 9-fitting section, 10-limit section, 11-first bearing seat, 12-second bearing seat, 13-outer shell, 14-first positioning frame, 15-second positioning frame. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiment of the utility model, obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. The components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0035] Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.
[0036] EMBODIMENT
[0037] Referring to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 , the embodiment proposes a new structure transmission roller, including cylinder 1;
[0038] The roller shaft 2 is provided on the axis of the cylinder 1, one end of the roller shaft 2 penetrates one end of the cylinder 1 and is threadedly connected to one end of the cylinder 1, the other end of the roller shaft 2 penetrates the other end of the cylinder 1 and is clamped on the other end of the cylinder 1;
[0039] The cylinder 1 and the roller shaft 2 rotate synchronously.
[0040] In use, first, rotate the roller shaft 2 so that one end of the roller shaft 2 is separated from one end of the barrel 1, then, hold the other end of the roller shaft 2 and pull out the roller shaft 2, finally, the welded barrel 1 can be annealed separately, and the quenched and tempered roller shaft 2 is not affected, so that the welding stress of the barrel 1 is eliminated, and the structural strength is improved.
[0041] The new structure transmission drum disclosed by the embodiment has the beneficial effects that the roller shaft 2 is conveniently disassembled and assembled with the barrel 1, the welded barrel 1 can be annealed to remove internal stress, the strength is improved, and the shaft is not easy to break.
[0042] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , a first stepped hole 3 is formed at the other end of the barrel 1, a second hole 4 is formed at the one end of the barrel 1, the inner diameter of the first stepped hole 3 is larger than that of the second hole 4, so that the one end of the roller shaft 2 passes through the first stepped hole 3 first, and then passes through the second hole 4, which facilitates the installation and disassembly of the roller shaft 2, facilitates the removal of the welded barrel 1 for separate annealing, and achieves the purpose of eliminating welding stress.
[0043] One end of the roller shaft 2 penetrates the second hole 4 and has a threaded section 5, an outer thread is arranged on the outer wall of the threaded section 5, a nut 6 is arranged outside the threaded section 5, the nut 6 is threadedly connected with the outer thread of the threaded section 5 and abuts against the one end of the barrel 1, the threaded section 5 of the roller shaft 2 and the nut 6 are threadedly connected with each other, so that the one end of the roller shaft 2 can be fixed with the one end of the barrel 1, which not only realizes the mutual fixation of the roller shaft 2 and the barrel 1, but also facilitates the disassembly and assembly of the roller shaft 2 on the barrel 1.
[0044] A stop washer 7 is arranged between the nut 6 and the one end of the barrel 1, the stop washer 7 is arranged on the threaded section 5 and tightly abuts against the nut 6 and the one end of the barrel 1, the stop washer 7 not only protects the barrel 1 and prevents the nut 6 from being too tight to damage the barrel 1, but also prevents the barrel 1 from rotating around the roller shaft 2, so that the roller shaft 2, the barrel 1 and the nut 6 can rotate together.
[0045] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7The other end of the roller shaft 2 has a shoulder section 8 which is limited in and matched with the first stepped hole 3. The mutual matching of the shoulder section 8 and the first stepped hole 3 can limit the movement of the roller shaft 2 in the direction of the second hole 4. When the nut 6 is locked on the threaded section 5, the shoulder section 8 abuts against the first stepped hole 3, which makes the roller shaft 2 connected with the cylinder body 1 as a whole. This facilitates the installation of the roller shaft 2 and the cylinder body 1 and the later disassembly, and further facilitates the annealing of the welded cylinder body 1.
[0046] The shoulder section 8 has a matching section 9 and a limiting section 10. The matching section 9 is located inside the first stepped hole 3, and the limiting section 10 is clamped on the outer end of the first stepped hole 3 away from the second hole 4. The matching section 9 can realize the guiding effect, and the limiting section 10 can limit the position of the movement of the roller shaft 2 inside the cylinder body 1.
[0047] One end of the roller shaft 2 is provided with a first bearing seat 11, and the one end of the roller shaft 2 is rotatably connected to the first bearing seat 11. The other end of the roller shaft 2 is provided with a second bearing seat 12, and the other end of the roller shaft 2 is rotatably connected to the second bearing seat 12. The two ends of the roller shaft 2 are rotatably connected to the first bearing seat 11 and the second bearing seat 12 respectively. This is beneficial to the rotation of the roller shaft 2 and the cylinder body 1, realizes the rotation effect of the drum of the belt conveyor, and facilitates the transmission of the rubber belt.
[0048] The cylinder body 1 has an outer shell 13. The inner ends of the outer shell 13 are respectively provided with a first positioning frame 14 and a second positioning frame 15. The first positioning frame 14 and the second positioning frame 15 are respectively fixedly connected to the two ends of the outer shell 13. The roller shaft 2 is located on the shaft center of the first positioning frame 14 and the second positioning frame 15 and is clamped and positioned with the first positioning frame 14 and the second positioning frame 15. The first positioning frame 14 and the second positioning frame 15 can support the outer shell 13, effectively reduce the dead weight of the cylinder body 1, save the equipment cost, and facilitate the installation and disassembly of the roller shaft 2.
[0049] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7The specific disassembly steps of the new structure transmission roller in the embodiment are as follows: firstly, one end of the roller shaft 2 is sequentially inserted through the first stepped hole 3 and the second hole 4, the nut 6 is threadedly connected to the threaded section 5, then the nut 6 is rotated to tightly abut against the stop washer 7, the stop washer 7 tightly abuts against the second positioning frame 15 of the cylinder body 1, the cylinder body 1 is connected with one end of the roller shaft 2 into an integral whole, the fitting section 9 of the shoulder section 8 is embedded into the inside of the first stepped hole 3, and the limiting section 10 of the shoulder section 8 is clamped on the outer end of the first stepped hole 3 away from the second hole 4, so that the cylinder body 1 and the roller shaft 2 are connected into an integral whole, when the cylinder body 1 and the roller shaft 2 need to be disassembled, the cylinder body 1 and the roller shaft 2 are first taken off from the first bearing seat 11 and the second bearing seat 12, the nut 6 is rotated to separate the threaded section 5, at this time, the roller shaft 2 is pulled out from the first positioning frame 14 and the second positioning frame 15 by the worker, the cylinder body 1 is separated from the roller shaft 2, the welded cylinder body 1 can be annealed alone, and the quenched and tempered roller shaft 2 is not affected, so that the welding stress of the cylinder body 1 is eliminated, and the overall structural strength of the roller is improved.
[0050] The above merely describes preferred embodiments of the present application, but is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A novel transmission roller, characterized in that: Includes the cylinder (1); The cylinder (1) has a roller (2) on its axis. One end of the roller (2) passes through one end of the cylinder (1) and is threaded to one end of the cylinder (1). The other end of the roller (2) passes through the other end of the cylinder (1) and is snapped onto the other end of the cylinder (1). The cylinder (1) and the roller (2) rotate synchronously.
2. The novel transmission roller according to claim 1, characterized in that: A first stepped hole (3) is provided at the center of the other end of the cylinder (1), and a second hole (4) is provided at the center of the other end of the cylinder (1). The inner diameter of the first stepped hole (3) is larger than the inner diameter of the second hole (4).
3. The novel transmission roller according to claim 2, characterized in that: One end of the roller (2) passes through the second hole (4) and has a threaded section (5). The outer wall of the threaded section (5) is provided with an external thread. A nut (6) is fitted on the outside of the threaded section (5). The nut (6) is threadedly connected to the external thread of the threaded section (5) and abuts against one end of the cylinder (1).
4. The novel transmission roller according to claim 3, characterized in that: A stop washer (7) is provided between the nut (6) and one end of the cylinder (1). The stop washer (7) is sleeved on the threaded section (5) and fits tightly against the nut (6) and one end of the cylinder (1).
5. A novel transmission roller according to claim 2, characterized in that: The other end of the roller (2) has a shoulder section (8), which is located in and adapted to the first stepped hole (3).
6. A novel transmission roller according to claim 5, characterized in that: The shoulder section (8) has an adapter section (9) and a limiting section (10). The adapter section (9) is located inside the first stepped hole (3), and the limiting section (10) is engaged with the outer end of the first stepped hole (3) away from the second hole (4).
7. A novel transmission roller according to claim 1, characterized in that: One end of the roller (2) is provided with a first bearing seat (11), and one end of the roller (2) is rotatably connected to the first bearing seat (11). The other end of the roller (2) is provided with a second bearing seat (12), and the other end of the roller (2) is rotatably connected to the second bearing seat (12).
8. A novel transmission roller according to claim 1, characterized in that: The cylinder (1) has an outer shell (13), and the inner ends of the outer shell (13) have a first positioning frame (14) and a second positioning frame (15) respectively. The first positioning frame (14) and the second positioning frame (15) are fixedly connected to the two ends of the outer shell (13). The roller (2) is located on the axis of the first positioning frame (14) and the second positioning frame (15) and is engaged and positioned with the first positioning frame (14) and the second positioning frame (15).