A double-layer detachable drum

Abstract

The utility model discloses a double -deck detachable drum, including inner tube and outer tube, and the both ends outer edge of inner tube is equipped with the step groove, and one end of outer tube is equipped with the limit ring of inlay in first step groove, and another step groove is equipped with annular end cover, and step groove is formed with a plurality of circumferential distribution's opening groove along the radial direction, and the inner end of limit ring is equipped with a plurality of first limit board of embedding and opening groove adjacent with it along the circumference, and the inner end of annular end cover is equipped with a plurality of second limit board of embedding and opening groove adjacent with it along the circumference, and the inner end of first limit board is equipped with the rod piece, and the positioning hole for inserting the rod piece is equipped on inner tube, and the through -hole corresponding with positioning hole is equipped on annular end cover, and the end of rod piece is equipped with the screw hole, and the screw of screwing in screw hole is installed in the through -hole. This double -deck detachable drum has the inner and outer double -cylinder structure, and its outer tube is detachable structure, can only replace outer tube when outer tube wears, reduces the use cost of drum.

Description

Technical Field

[0001] This utility model relates to belt conveyor rollers, specifically to a double-layer detachable roller. Background Technology

[0002] A belt conveyor is a mechanical device that continuously transports materials through friction. It mainly consists of a frame, conveyor belt, idlers, rollers, tensioning devices, and drive devices. Currently, the rollers are all one-piece structures and cannot be disassembled. When the outer surface of the rollers wears down, the entire machine needs to be replaced.

[0003] For example, patent CN206445766U discloses a belt conveyor roller maintenance and fixing device, which includes a fixed support plate, a fixed base, a sliding support beam, and a movable support plate. The upper part of the fixed support plate has a rolling left-side fixing groove, which is connected to the left end of the belt conveyor roller. The lower part of the fixed support plate is connected to the fixed base. The fixed base has two support beam sliding grooves inside, and a sliding support beam is connected inside the support beam sliding groove. The movable support plate is connected to the right side of the sliding support beam. The sliding support beam moves in and out within the support beam sliding groove. There are guide rail fixing grooves on both sides of the support beam sliding groove, and a guide rail is embedded inside the guide rail fixing groove. There are guide rail grooves on both sides of the sliding support beam, and the guide rail grooves are connected to the guide rail.

[0004] The conveyor belt roller in this belt conveyor roller maintenance and fixing device is an integral structure without a detachable structure. When it wears out, it needs to be replaced as a whole, which increases maintenance costs. Utility Model Content

[0005] The purpose of this invention is to provide a double-layer detachable roller with an inner and outer double-cylinder structure. The outer cylinder is designed to be detachable, so that only the outer cylinder needs to be replaced when it is worn, thus reducing the operating cost of the roller.

[0006] To achieve the above objectives, this utility model provides a double-layer detachable roller, including an inner cylinder and an outer cylinder sleeved outside the inner cylinder. Stepped grooves are provided at both ends of the outer cylinder. A limiting ring fitted into the first stepped groove is provided at one end of the outer cylinder. An annular end cap is provided in the other stepped groove. The stepped groove extends radially to form multiple circumferentially distributed opening grooves. Multiple first limiting plates embedded in adjacent opening grooves are provided circumferentially at the inner end of the limiting ring. Multiple second limiting plates embedded in adjacent opening grooves are provided circumferentially at the inner end of the annular end cap. A rod is provided at the inner end of the first limiting plate. A positioning hole for inserting the rod is provided on the inner cylinder. A through hole corresponding to the positioning hole is provided on the annular end cap. A screw hole is provided at the end of the rod, and a screw screwed into the screw hole is installed in the through hole.

[0007] Preferably, the first limiting plate includes a first branch plate extending symmetrically to both sides, and each first branch plate is provided with a rod; each second limiting plate includes a second branch plate extending symmetrically to both sides, and each second branch plate is provided with a through hole.

[0008] Preferably, the outer side of the inner cylinder is provided with a plurality of limiting grooves, the limiting grooves being provided one-to-one with the opening grooves, and the inner end of the limiting ring is fixedly connected with a slide bar corresponding to the limiting groove.

[0009] Preferably, the slide bar is fixedly connected to the inner wall of the outer cylinder.

[0010] Preferably, the cross-section of the slider is a T-shaped structure that is wider on the inside and narrower on the outside.

[0011] Preferably, the end of the slider protrudes from the stepped surface of the stepped groove to form a protrusion, and the annular end cap is provided with an insertion hole that engages with the protrusion.

[0012] Preferably, the inner cylinder is provided with shaft portions at both ends.

[0013] According to the above technical solution, this utility model provides a double-layer detachable roller, including an inner cylinder and an outer cylinder sleeved outside the inner cylinder. The outer edges of both ends of the inner cylinder are provided with stepped grooves. One end of the outer cylinder is provided with a limiting ring that fits into the first stepped groove. An annular end cap is provided in the other stepped groove. The stepped groove extends radially to form multiple circumferentially distributed opening grooves. The inner end of the limiting ring is provided with multiple first limiting plates that are embedded in the adjacent opening grooves. The inner end of the annular end cap is provided with multiple second limiting plates that are embedded in the adjacent opening grooves. The inner end of the first limiting plate is provided with a rod. The inner cylinder is provided with a positioning hole for inserting the rod. The annular end cap is provided with a through hole corresponding to the positioning hole. The end of the rod is provided with a screw hole. A screw screwed into the screw hole is installed in the through hole.

[0014] This double-layer removable roller has the following beneficial effects:

[0015] 1. It has an inner and outer double-cylinder structure, and the outer cylinder is designed to be detachable. When the outer cylinder is worn, only the outer cylinder needs to be replaced, reducing the operating cost of the roller; 2. The outer cylinder is limited by the opening groove and the first and second limiting plates, as well as by the insertion of multiple rods, and finally locked by multiple screws. The multi-dimensional limiting method avoids slippage between the inner and outer cylinders and meets the needs of daily use.

[0016] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of a double-layer detachable roller. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the overall structure of a preferred embodiment of a double-layer detachable roller. Figure 2 ;

[0020] Figure 3 yes Figure 1 A magnified schematic diagram of a portion of region A in the middle;

[0021] Figure 4 This is a schematic diagram of the overall structure of a preferred embodiment of the inner cylinder;

[0022] Figure 5This is a schematic diagram of the overall structure of a preferred embodiment of the first end of the outer cylinder;

[0023] Figure 6 This is a schematic diagram of the overall structure of a preferred embodiment of the second end of the outer cylinder;

[0024] Figure 7 This is a schematic diagram of the overall structure of a preferred embodiment of the annular end cap.

[0025] Explanation of reference numerals in the attached figures

[0026] 1-Outer cylinder; 2-Inner cylinder; 3-Shaft; 4-Annular end cap; 5-First limiting plate; 6-First branch plate; 7-Second limiting plate; 8-Second branch plate; 9-Protrusion; 10-Screw; 11-Step groove; 12-Positioning hole; 13-Limiting slide groove; 14-Limiting ring; 15-Rod; 16-Screw hole; 17-Slide bar; 18-Insertion hole; 19-Through hole; 20-Opening groove. Detailed Implementation

[0027] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0028] In this utility model, unless otherwise stated, directional terms such as "up, down, left, right, front, back, inside, outside" in the terminology only represent the orientation of the term in its conventional use or are common terms understood by those skilled in the art, and should not be regarded as a limitation on the term.

[0029] See Figure 1-7 The double-layer detachable roller shown includes an inner cylinder 2 and an outer cylinder 1 sleeved outside the inner cylinder 2. Stepped grooves 11 are provided on the outer edges of both ends of the inner cylinder 2. A limiting ring 14 fitted into the first stepped groove 11 is provided at one end of the outer cylinder 1. An annular end cap 4 is provided within the other stepped groove 11. The stepped groove 11 extends radially to form multiple circumferentially distributed open grooves 20. The inner end of the limiting ring 14 is provided circumferentially with multiple open grooves 20 that are embedded adjacent to it. The first limiting plate 5 of the 0, the inner end of the annular end cap 4 is provided with a plurality of second limiting plates 7 embedded in the adjacent opening slots 20 along the circumferential direction, the inner end of the first limiting plate 5 is provided with a rod 15, the inner cylinder 2 is provided with a positioning hole 12 for inserting the rod 15, the annular end cap 4 is provided with a through hole 19 corresponding to the positioning hole 12, the end of the rod 15 is provided with a screw hole 16, and a screw 10 screwed into the screw hole 16 is installed in the through hole 19.

[0030] Through the implementation of the above technical solution, the double-layer detachable roller has an inner and outer double-cylinder structure. Its outer cylinder 1 is set to be detachable. When the outer cylinder 1 is worn, only the outer cylinder 1 needs to be replaced, reducing the usage cost of the roller. The outer cylinder 1 is limited by the opening groove 20 and the first limiting plate 5 and the second limiting plate 7, and is also limited by the insertion of multiple rods 15. Finally, it is locked by multiple screws 10. The multi-dimensional limiting method avoids slippage between the inner and outer cylinders 1 and meets the needs of daily use.

[0031] In this embodiment, to further provide a limiting plate structure, the first limiting plate 5 includes first branch plates 6 extending symmetrically to both sides, each first branch plate 6 being provided with a rod 15, and each second limiting plate 7 includes second branch plates 8 extending symmetrically to both sides, each second branch plate 8 being provided with a through hole 19. With this arrangement, two rods 15 are provided between each first limiting plate 5 and each second limiting plate 7, and are fixed to the annular end cap 4 by corresponding two screws 10, thereby improving the overall stability of the assembled double-layer detachable roller structure.

[0032] In this embodiment, to further improve the stability of the assembly structure, multiple limiting grooves 13 are provided on the outer side of the inner cylinder 2. Each limiting groove 13 corresponds to one of the opening grooves 20. A sliding strip 17 corresponding to the limiting groove 13 is fixedly connected to the inner end of the limiting ring 14. The sliding strip 17, like the rod 15, is inserted into the corresponding positioning hole 12 and limiting groove 13 when the outer cylinder 1 is fitted. Each node uses two rods 15 and one sliding strip 17 combined to form a triangular distribution, thereby improving the stability of the structure.

[0033] In this embodiment, in order to further improve the structural stability of the slide bar 17, the slide bar 17 is fixedly connected to the inner wall of the outer cylinder 1.

[0034] In this embodiment, to further provide a slider 17 structure, the slider 17 has a T-shaped cross-section that is wider on the inside and narrower on the outside. The corresponding limiting groove 13 also has a T-shaped cross-section.

[0035] In this embodiment, the end of the slide bar 17 protrudes from the stepped surface of the stepped groove 11 to form a protrusion 9, and the annular end cap 4 is provided with an insertion hole 18 that engages with the protrusion 9. This arrangement increases structural stability after the annular end cap 4 is assembled.

[0036] In this embodiment, the inner cylinder 2 is provided with shaft portions 3 at both ends. These shaft portions 3 are used to install bearings or to connect with the drive motor, which is conventional technology and will not be described in detail here.

[0037] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0038] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0039] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A double-layer detachable roller, characterized in that, The double-layer detachable roller includes an inner cylinder (2) and an outer cylinder (1) sleeved outside the inner cylinder (2). Stepped grooves (11) are provided at both outer edges of the inner cylinder (2). A limiting ring (14) fitted into the first stepped groove (11) is provided at one end of the outer cylinder (1). An annular end cap (4) is provided in the other stepped groove (11). The stepped groove (11) extends radially to form multiple circumferentially distributed opening grooves (20). The inner end of the limiting ring (14) is provided with multiple first opening grooves (20) embedded in adjacent opening grooves (20) along the circumferential direction. The inner end of the annular end cap (4) is provided with a plurality of second limiting plates (7) embedded in the adjacent opening slots (20) along the circumferential direction. The inner end of the first limiting plate (5) is provided with a rod (15). The inner cylinder (2) is provided with a positioning hole (12) for inserting the rod (15). The annular end cap (4) is provided with a through hole (19) corresponding to the positioning hole (12). The end of the rod (15) is provided with a screw hole (16). A screw (10) screwed into the screw hole (16) is installed in the through hole (19).

2. The double-layer detachable roller according to claim 1, characterized in that, The first limiting plate (5) includes a first branch plate (6) extending symmetrically to both sides, and each first branch plate (6) is provided with a rod (15). Each second limiting plate (7) includes a second branch plate (8) extending symmetrically to both sides, and each second branch plate (8) is provided with a through hole (19).

3. The double-layer detachable roller according to claim 2, characterized in that, The outer side of the inner cylinder (2) is provided with a plurality of limiting grooves (13), and the limiting grooves (13) are provided in a one-to-one correspondence with the opening groove (20). The inner end of the limiting ring (14) is fixedly connected with a slide bar (17) corresponding to the limiting groove (13).

4. The double-layer detachable roller according to claim 3, characterized in that, The slide bar (17) is fixedly connected to the inner wall of the outer cylinder (1).

5. The double-layer detachable roller according to claim 3 or 4, characterized in that, The cross-section of the slider (17) is a T-shaped structure with a wider inner section and a narrower outer section.

6. The double-layer detachable roller according to claim 3 or 4, characterized in that, The end of the slide bar (17) protrudes from the stepped surface of the stepped groove (11) and forms a protrusion (9). The annular end cap (4) is provided with an insertion hole (18) that is inserted into the protrusion (9).

7. The double-layer detachable roller according to claim 1, characterized in that, The inner cylinder (2) is provided with shaft portions (3) at both ends.

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