A buffer idler for an adjustable roller conveyor

By designing an adjustable roller conveyor with buffer rollers, the problem of difficult separation between the rollers and the support frame was solved, enabling quick disassembly and adjustment, reducing maintenance costs, and improving the efficiency and stability of the device.

CN224429014UActive Publication Date: 2026-06-30JIANGXI LONGEN AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202521560847.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-25
Publication Date
2026-06-30
Estimated Expiration
2035-07-25

AI Technical Summary

Technical Problem

The existing buffer rollers are not easy to separate from the first support frame after use, resulting in low maintenance and repair efficiency and increased operating costs.

Method used

An adjustable buffer idler for roller conveyors was designed, comprising an idler body, positioning strips, adjusting frame, operating handle, anti-slip components, etc. Through threaded drive and labyrinth seal, the idler can be quickly separated and adjusted from the support frame, enhancing corrosion resistance.

Benefits of technology

It facilitates the quick separation and replacement of idler rollers and support frames, reduces maintenance and repair costs, improves the versatility and stability of the device, enhances corrosion resistance, and increases conveying efficiency.

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Abstract

This utility model discloses an adjustable buffer idler for a roller conveyor, comprising: an idler body and a positioning strip disposed inside the idler body, wherein an adjusting frame is connected to the inner side of the positioning strip, and a first support frame is disposed on the left side of the adjusting frame; it also comprises: a support plate, which is installed on the outer side of the first support frame, and a first connecting block is connected to the outer side of the support plate. This adjustable buffer idler for a roller conveyor allows for easy separation of the idler and the first support frame after use, enabling operators to quickly separate and replace the buffer idler when it is damaged, avoiding impact on the efficiency of device maintenance and repair, and reducing the operating cost of the device. Simultaneously, the device incorporates an effective buffer idler adjustment structure, allowing operators to easily adjust the size of the buffer idler according to actual usage conditions, improving the versatility of the device and resulting in better performance.
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Description

Technical Field

[0001] This utility model relates to the field of roller conveyor technology, specifically to an adjustable roller conveyor buffer roller. Background Technology

[0002] A roller conveyor is a device that uses several rollers spaced at regular intervals on a fixed support to transport packaged goods. It typically consists of several rollers and a fixed support, which can be assembled from straight or curved sections as needed. Buffer rollers are components used in roller conveyors, primarily to reduce the impact of falling materials on the conveyor belt, protecting it and reducing vibration. It is particularly suitable for corrosive environments such as coal washing plants, coking plants, and chemical plants.

[0003] Authorized announcement number CN206142338U provides a buffer idler roller, including a central idler roller shaft and an outer roller, as well as bearing seats at both ends of the idler roller shaft and the roller, bearings mounted on the bearing seats, and a sealing structure for sealing the bearings. The roller is characterized by: ribs evenly distributed on its inner surface, and corresponding bearing seat ribs also provided at the bottom of the bearing seats; the sealing structure includes two sets, a first sealing set and a second sealing set, both of which are labyrinth seal structures. The roller's inner surface has ribs evenly distributed, improving its strength, enabling it to withstand larger loads, and extending its service life. Furthermore, the roller employs two sets of labyrinth seal structures simultaneously, providing double sealing, improving sealing performance, eliminating the need for sealing gaskets, saving components, and extending the roller's service life.

[0004] However, the existing buffer idlers are not easy to separate from the first support frame after use, which makes it difficult for operators to quickly separate and replace the buffer idlers when they are damaged, thus affecting the maintenance and repair efficiency of the equipment and increasing the operating cost of the equipment.

[0005] Therefore, in order to address the above problems, there is an urgent need for innovative design based on the existing buffer rollers. Utility Model Content

[0006] The purpose of this utility model is to provide an adjustable roller conveyor buffer roller to solve the problem mentioned in the background art that it is not convenient to separate the roller and the first support frame after use, which makes it difficult for operators to quickly separate and replace the buffer roller when it is damaged, thus affecting the maintenance and repair efficiency of the device and increasing the operating cost of the device.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an adjustable roller conveyor buffer roller, comprising: a roller body, and a positioning strip disposed inside the roller body, wherein an adjusting frame is connected to the inner side of the positioning strip, and a first support frame is disposed on the left side of the adjusting frame;

[0008] Also includes:

[0009] A support plate is installed on the outside of the first support frame, and a first connecting block is connected to the outside of the support plate. An operating handle is connected to the outside of the adjusting frame, and a return spring is nested in the middle of the operating handle. A locking block is connected to the inside of the operating handle, and a guide rod is connected to the outside of the locking block. An anti-slip component is attached to the outside of the idler roller body.

[0010] A guide plate is connected to the right side of the first support frame, and an adjustment frame is connected to the right side of the guide plate. A second connecting block is connected to the outer side of the adjustment frame, and a support block is provided on the outer side of the second connecting block. A sliding groove is opened on the outer side of the support block, and a drive adjustment assembly passes through the middle of the guide plate.

[0011] In one possible implementation, the first connecting block is rotatably connected to the support plate, and the support plate is set at an equal angle on the outer side of the first support frame.

[0012] In one possible implementation, the adjusting frame is engaged with the positioning strip, and the positioning strip is set at equal angles inside the first support frame.

[0013] In one possible implementation, the locking block is engaged with the positioning strip and slidably connected to the guide rod.

[0014] In one possible implementation, the support block is slidably connected to the adjusting frame, and the longitudinal section of the support block is a "T" shaped structure.

[0015] In one possible implementation, the adjusting frame is slidably connected to the guide plate, and the second connecting block is rotatably connected to the adjusting frame.

[0016] In one possible implementation, the drive adjustment assembly includes a drive rod that passes through the middle of the guide plate, and a limit rod is connected to the right side of the drive rod. A second support frame is connected to the right side of the guide plate, and an oil injection hole is provided inside the second support frame.

[0017] The drive rod is rotatably connected to both the second support frame and the first support frame, and is threadedly connected to the adjusting frame. The limiting rod is engaged with the drive rod.

[0018] In one possible implementation, the anti-slip assembly includes an anti-corrosion layer disposed on the outside of the idler roller body, and an anti-slip groove is formed on the outside of the anti-corrosion layer.

[0019] The anti-slip grooves are evenly spaced on the outside of the anti-corrosion layer.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: The adjustable roller conveyor's buffer idler allows for easy separation of the idler and the first support frame after use, enabling operators to quickly separate and replace the buffer idler when it breaks, thus avoiding impact on the maintenance efficiency of the device and reducing its operating costs. Simultaneously, an effective buffer idler adjustment structure is installed inside the device, allowing operators to easily adjust the size of the buffer idler according to actual usage conditions, improving the device's versatility and resulting in better performance. Specific details are as follows:

[0021] 1. By operating the handle in conjunction with the guide rod, the locking block is moved outward to squeeze the reset spring, which releases the locking block from the positioning bar, making it easier for the operator to pull out the idler body. At this time, the maintenance personnel can easily and quickly replace the damaged idler body, improving the disassembly and maintenance efficiency of the device.

[0022] 2. The drive rod, in conjunction with the guide plate, pushes the adjusting frame and the support block to the left, causing the support block to push the adjusting frame to rotate along the support plate and the first connecting block. At this time, the adjusting frame effectively adjusts and supports the taper of the idler roller body, making it easy for the device to adjust the taper size of the device arbitrarily according to the actual use.

[0023] 3. The outer surface of the idler body is wrapped with an anti-corrosion layer to protect it from large-area damage caused by air corrosion during use. At the same time, anti-slip grooves are evenly spaced on the outer side of the idler body, which greatly increases the contact friction between the device and the external object during use, preventing the contact object from sliding during the connection process, thereby improving the conveying efficiency and stability. Attached Figure Description

[0024] Figure 1 This is a frontal cross-sectional view of the present invention.

[0025] Figure 2 This is a side view sectional structural diagram of the present invention;

[0026] Figure 3 This utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0027] Figure 4 This utility model Figure 1Enlarged structural diagram at point B;

[0028] Figure 5 This is a schematic cross-sectional view of the connection between the guide plate and the drive rod of this utility model.

[0029] In the diagram: 1. First support frame; 2. Support plate; 3. First connecting block; 4. Adjusting frame; 5. Positioning strip; 6. Operating handle; 7. Return spring; 8. Locking block; 9. Guide rod; 10. Idler roller body; 11. Anti-corrosion layer; 12. Anti-slip groove; 13. Slide groove; 14. Support block; 15. Second connecting block; 16. Adjusting frame; 17. Drive rod; 18. Guide plate; 19. Second support frame; 20. Oil injection hole; 21. Limiting rod. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Please see Figure 1-5 This utility model provides a technical solution: an adjustable roller conveyor buffer roller, including a first support frame 1, a support plate 2, a first connecting block 3, an adjusting frame 4, a positioning bar 5, an operating handle 6, a return spring 7, a locking block 8, a guide rod 9, a roller body 10, an anti-corrosion layer 11, an anti-slip groove 12, a sliding groove 13, a support block 14, a second connecting block 15, an adjusting frame 16, a drive rod 17, a guide plate 18, a second support frame 19, an oil injection hole 20, and a limiting rod 21.

[0032] Specifically, such as Figure 1 , Figure 4 and Figure 5As shown, during the use of the device, by pulling the limiting rod 21 upward, and due to the engaging connection between the limiting rod 21 and the drive rod 17, the limiting rod 21, which has moved upward, can loosen its engagement with the drive rod 17. At this time, due to the rotational connection structure between the drive rod 17 and the second support frame 19 and the first support frame 1, the operator can effectively rotate the drive rod 17 that passes through the middle of the second support frame 19. Due to the threaded connection structure between the guide plate 18 and the adjusting frame 16, the drive rod 17 can effectively push the adjusting frame 16 connected to the right side of the guide plate 18 to move to the left during the rotation. At this time, due to the sliding connection structure between the guide plate 18 and the adjusting frame 16, the adjusting frame 16 sliding to the left is guided and limited by the guide plate 18, preventing the adjusting frame 16 from shifting its position during the leftward movement. At this time, due to the sliding connection structure between the support block 14 and the slide groove 13 and the adjusting frame 4, the adjusting frame 16 sliding to the left pushes the slide groove 13 and the support block 14 connected to its outer side. 4. The roller body 10 is slid to the left. At this time, the support block 14 and the adjusting frame 16, which are displaced to the left, support and expand the roller body 10. Due to the rotational connection between the second connecting block 15 and the adjusting frame 16, the support block 14 and the adjusting frame 16, which are displaced to the left, are buffered by the second connecting block 15 to adapt to their movement. At the same time, due to the rotational connection between the first connecting block 3 and the adjusting frame 4 and the support plate 2, the adjusting frame 4 rotates along the support plate 2 and the first connecting block 3 while the adjusting frame 16 supports the roller body 10 and the adjusting frame 4. This completes the rapid adjustment of the taper of the roller body 10. After the adjustment is completed, the limiting rod 21 is pressed down to re-engage and limit the drive rod 17, preventing the drive rod 17 from moving due to compression during idle periods. This threaded drive structure replaces the traditional hand-push structure, allowing the operator to more accurately and quickly adjust the taper of the device, improving the accuracy of the device.

[0033] Meanwhile, during the use of the device, an anti-corrosion layer 11 is provided on the outside of the idler body 10, which provides large-area protection to the outer surface of the idler body 10, preventing large-area damage to the idler body 10 due to air corrosion during use. At the same time, anti-slip grooves 12 are provided at equal intervals on the outside of the idler body 10, which greatly increases the contact friction between the device and the external object during use, preventing the contact object from sliding during the connection process, thereby improving the conveying efficiency and stability. In addition, during the use of the device, lubricating oil can be injected into the interior of the second support frame 19 through the oil injection hole 20 to ensure the mobility of the connection between the drive rod 17 and the second support frame 19.

[0034] Specifically, such as Figure 1 , Figure 2 and Figure 3 As shown, after the device is used, if damage is found to the idler body 10, the operating handle 6 is pulled outwards. This causes the operating handle 6 to move the locking block 8 connected to its inner side outwards, squeezing the return spring 7. Due to the sliding connection structure between the locking block 8 and the guide rod 9, the outwardly moving locking block 8 is guided and limited by the guide rod 9, preventing the locking block 8 from shifting position during the outward sliding movement. At this time, because of the engaging connection structure between the locking block 8 and the positioning strip 5, the outwardly moving locking block 8 relaxes its engaging limit on the positioning strip 5, making it easy for the operator to pull out the positioning strip 5 and the idler body 10. This allows maintenance personnel to easily repair the damaged idler body 10. 0. To improve the efficiency of disassembly and maintenance of the device, the new idler body 10 is reinstalled on the outside of the adjusting frame 4 along the positioning strip 5. Due to the engaging connection structure between the positioning strip 5 and the adjusting frame 4, the operator can easily lay the idler body 10 and the positioning strip 5 back on the outside of the adjusting frame 4. At this time, the pull on the operating handle 6 is released, causing the compressed return spring 7 to lose its tension limit and generate a rebound reaction force. At this time, the return spring 7 pushes the locking block 8 connected to its inner side to move inward along the guide rod 9, so that the locking block 8 is reconnected and engaged with the positioning strip 5. This completes the quick disassembly and maintenance of the device and reduces the maintenance and repair costs of the device.

[0035] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

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

Claims

1. A buffer idler for an adjustable roller conveyor, comprising: The idler body (10) and the positioning strip (5) provided inside the idler body (10) are connected to the inner side of the positioning strip (5) and the first support frame (1) is provided on the left side of the adjustment frame (4). Its characteristic is that it further includes: A support plate (2) is installed on the outside of the first support frame (1), and a first connecting block (3) is connected to the outside of the support plate (2). An operating handle (6) is connected to the outside of the adjusting frame (4), and a reset spring (7) is nested in the middle of the operating handle (6). A locking block (8) is connected to the inside of the operating handle (6), and a guide rod (9) is connected to the outside of the locking block (8). An anti-slip component is attached to the outside of the roller body (10). A guide plate (18) is connected to the right side of the first support frame (1), and an adjustment frame (16) is connected to the right side of the guide plate (18). A second connecting block (15) is connected to the outside of the adjustment frame (16), and a support block (14) is provided on the outside of the second connecting block (15). A sliding groove (13) is provided on the outside of the support block (14), and a drive adjustment assembly passes through the middle of the guide plate (18).

2. The adjustable roller conveyor buffer roller according to claim 1, characterized in that: The first connecting block (3) is rotatably connected to the support plate (2), and the support plate (2) is set at an equal angle on the outside of the first support frame (1).

3. The adjustable roller conveyor buffer roller according to claim 1, characterized in that: The adjusting frame (4) is engaged with the positioning strip (5), and the positioning strip (5) is set at equal angles inside the first support frame (1).

4. The buffer idler roller for an adjustable roller conveyor according to claim 1, characterized in that: The locking block (8) is engaged with the positioning bar (5), and the locking block (8) is slidably connected with the guide rod (9).

5. The adjustable roller conveyor buffer roller according to claim 1, characterized in that: The support block (14) is slidably connected to the adjusting frame (4), and the longitudinal section of the support block (14) is a "T" shaped structure.

6. The adjustable roller conveyor buffer roller according to claim 1, characterized in that: The adjusting frame (16) is slidably connected to the guide plate (18), and the second connecting block (15) is rotatably connected to the adjusting frame (16).

7. The adjustable roller conveyor buffer roller according to claim 1, characterized in that: The drive adjustment assembly includes a drive rod (17) that runs through the middle of the guide plate (18), and a limit rod (21) is connected to the right side of the drive rod (17). A second support frame (19) is connected to the right side of the guide plate (18), and an oil injection hole (20) is provided inside the second support frame (19). The drive rod (17) is rotatably connected to the second support frame (19) and the first support frame (1), and the drive rod (17) is threadedly connected to the adjusting frame (16), and the limiting rod (21) is engaged with the drive rod (17).

8. A buffer idler roller for an adjustable roller conveyor according to claim 1, characterized in that: The anti-slip component includes an anti-corrosion layer (11) disposed on the outside of the roller body (10), and an anti-slip groove (12) is provided on the outside of the anti-corrosion layer (11). The anti-slip grooves (12) are equally spaced on the outside of the anti-corrosion layer (11).

Citation Information

Patent Citations

  • Buffer carrier roller

    CN206142338U