Quick disassembly type driving roller

Abstract

The utility model discloses a quick release type driving roller, which belongs to the technical field of driving rollers, and comprises a support cylinder, a rotating shaft inserted in two ends of the support cylinder and a roller body detachably sleeved outside the support cylinder, the two ends of the support cylinder are communicated, and the inner wall of the support cylinder is provided with a chute along the axial direction and a clamping groove communicated with the chute along the circumferential direction. A clamping block is arranged on the outer wall of the rotating shaft in a protruding mode and can slide along the sliding groove and the clamping groove, a top column slidably penetrates through the supporting cylinder in the radial direction, an elastic piece is telescopically arranged between the top column and the supporting cylinder in the sliding direction of the top column, a lock hole is formed in the inner wall of the roller body, and the inner end of the top column extends into the clamping groove. The clamping block can push and abut against the jacking column in the radial direction when sliding along the clamping groove, so that the outer end of the jacking column is inserted into the lock hole. According to the quick-release driving roller, the supporting cylinder, the rotating shaft and the roller body can be disassembled and assembled only through simple inserting, pulling and rotating actions, operation is easy and convenient, and the replacement efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transmission roller technical field, especially, relate to a quick detachable transmission roller. BACKGROUND

[0002] The transmission roller is a kind of mechanical component for transmitting power and movement, usually driven by motor, and the roller body is rotated by gear, chain or direct connection, so as to realize the conveying or processing of material.The transmission roller plays an important role in various industrial applications, and is widely used in papermaking, printing and dyeing, printing, food processing, metallurgy and plastic processing fields.

[0003] The transmission roller includes a roller body for conveying material and a rotating shaft connected on both sides of the roller body for connecting with the driving part.After a long time of use, the roller body on the transmission roller is seriously worn, and the roller body needs to be replaced, that is, the roller body is detached from the rotating shaft, and then a new roller body is replaced.At present, the rotating shaft and the roller body are usually connected by interference fit, threaded connection or fixed connection by bolts and other fasteners.The above connection mode is troublesome to operate and inconvenient to disassemble, since the transmission roller is a consumable part, it needs to be replaced frequently, and the disassembly of the rotating shaft and the roller body is difficult to achieve efficient replacement operation, which greatly reduces the replacement efficiency, prolongs the time required for shutdown replacement, and further affects the production process. SUMMARY

[0004] The utility model provides a quick detachable transmission roller to solve the technical problems in the prior art that the transmission roller is troublesome to disassemble and assemble and has low efficiency when it needs to be replaced.

[0005] The utility model discloses a quick detachable transmission roller, which comprises a supporting cylinder, a rotating shaft inserted into both ends of the supporting cylinder and a roller body detachably sleeved outside the supporting cylinder.The both ends of the supporting cylinder are through, the inner wall of the supporting cylinder is provided with a sliding groove in the axial direction and a clamping groove in the circumferential direction, the outer wall of the rotating shaft is provided with a clamping block, the clamping block can slide along the sliding groove and the clamping groove, a top column is slidably penetrated into the supporting cylinder in the radial direction, an elastic element is arranged between the top column and the supporting cylinder in the sliding direction of the top column, a lock hole is formed in the inner wall of the roller body, the inner end of the top column extends into the clamping groove, and the clamping block can push the top column in the radial direction when sliding along the clamping groove, so that the outer end of the top column is inserted into the lock hole.

[0006] Further, a recess is formed in the outer wall of the supporting cylinder, a through hole is formed in the groove bottom wall of the recess in the radial direction of the supporting cylinder, the through hole is communicated with the clamping groove, the top column is slidably penetrated into the through hole, and the elastic element is installed in the recess.

[0007] Further, a limiting ring is arranged on the groove side wall of the groove, a bearing ring is arranged on the outer wall of the top post along the radial direction, one end of the elastic member elastically bears against the limiting ring, and the other end of the elastic member elastically bears against the bearing ring.

[0008] Further, the elastic member is a spring sleeved on the outside of the top post.

[0009] Further, the inner end of the top post is arranged in a semispherical shape.

[0010] Further, the side wall of the clamping block for pushing against the inner end of the top post is arranged in an arc surface.

[0011] Further, a convex strip is arranged on the outer wall of the support cylinder along the axial direction and is staggered with the groove, a guide groove is arranged on the inner wall of the roller body, and the convex strip and the guide groove are matched with each other.

[0012] Further, a limiting plate is arranged on one end of the outer wall of the support cylinder along the radial direction of the support cylinder, and one end of the roller body bears against the limiting plate.

[0013] Further, locking pins are detachably arranged on the end faces of the two sides of the support cylinder, the locking pins are inserted into the support cylinder along the axial direction of the support cylinder, and one end of the locking pin is inserted into the clamping block.

[0014] The quick-release transmission roller has the advantages that compared with the prior art, only simple plugging and rotating actions are needed to realize the disassembly and assembly of the support cylinder, the rotating shaft and the roller body, the operation is simple and convenient, the replacement efficiency is greatly improved, the production process is accelerated, when the roller body located at the outermost side is worn, only the roller body needs to be replaced, the whole replacement is avoided, material waste is reduced, and the quick-release transmission roller is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings and embodiments.

[0016] Figure 1 is the perspective view of the quick-release transmission roller of the utility model;

[0017] Figure 2 is Figure 1 the partial exploded view of the quick-release transmission roller shown in the figure;

[0018] Figure 3 is Figure 2 the perspective view of the rotating shaft in the quick-release transmission roller shown in the figure;

[0019] Figure 4 is Figure 1 the left view of the quick-release transmission roller shown in the figure;

[0020] Figure 5 is Figure 4 is a sectional view along A-A of the quick-release transmission roller shown in the figure;

[0021] Figure 6 is Figure 5 is an enlarged view of part B in the quick-release transmission roller shown in the figure.

[0022] In the figure: 1, support cylinder, 11, sliding groove, 12, clamping groove, 13, groove, 14, through hole, 15, limiting ring, 16, convex strip, 17, limiting plate, 2, rotating shaft, 21, clamping block, 211, camber surface, 212, insertion hole, 3, roller body, 31, locking hole, 32, guide groove, 4, top column, 41, abutting ring, 5, elastic member, 6, locking pin. DETAILED DESCRIPTION

[0023] The utility model will be described in detail in combination with the drawings. The figure is a simplified schematic diagram, and only the basic structure of the utility model is schematically shown, so it only shows the structure related to the utility model.

[0024] Please refer to Figures 1-6 The utility model provides a quick-release transmission roller, including support cylinder 1, rotating shaft 2 and roller body 3, rotating shaft 2 is the stepped shaft structure, rotating shaft 2 has two and inserts in the opposite two ends of support cylinder 1, roller body 3 detachably sets up in the outside of support cylinder 1, support cylinder 1 is the cylinder structure of both ends through, the inner wall of support cylinder 1 is axially provided with sliding groove 11, the inner wall of support cylinder 1 is circumferentially provided with the clamping groove 12 of communication with sliding groove 11, the outer wall of rotating shaft 2 is provided with clamping block 21, and clamping block 21 is matched with sliding groove 11 and clamping groove 12, and clamping block 21 can slide along sliding groove 11 and clamping groove 12, and top column 4 is slidably penetrated on the radial direction of support cylinder 1, and elastic member 5 is telescopically arranged between top column 4 and support cylinder 1 along the sliding direction of top column 4, the inner wall of roller body 3 is provided with locking hole 31, and the inner end of top column 4 (i.e. the end of top column 4 close to the central axis of support cylinder 1) extends into clamping groove 12, and clamping block 21 can push against top column 4 along the radial direction when sliding along clamping groove 12, so that the outer end of top column 4 (i.e. the end of top column 4 away from the central axis of support cylinder 1) is inserted into locking hole 31.

[0025] The utility model discloses a quick detachable transmission roller, when installing, first, the roller body 3 is sleeved on the outside of the supporting cylinder 1, then the rotating shaft 2 is placed at the both ends of the supporting cylinder 1, makes the clamping block 21 with the sliding slot 11 alignment, then, along the axial movement rotating shaft 2, makes the clamping block 21 gradually slide into the sliding slot 11, when the clamping block 21 slides to the end of the sliding slot 11, relative supporting cylinder 1 rotates the rotating shaft 2, can make the clamping block 21 slide into the clamping groove 12, and the clamping block 21 will push the inner end of the jackscrew 4 and move outward during the sliding of the clamping groove 12, when the clamping block 21 slides to the end of the clamping groove 12 away from the sliding slot 11, the rotating shaft 2 is installed in place, at this moment, the elastic element 5 is compressed, and the outer end of the jackscrew 4 is inserted into the lock hole 31, at this moment, the rotating shaft 2 is fixed on the supporting cylinder 1, and simultaneously, the roller body 3 is also locked on the supporting cylinder 1.

[0026] After long time work, when the roller body 3 needs to be replaced due to abrasion, the rotating shaft 2 is reversely rotated relative to the supporting cylinder 1, drives the clamping block 21 to move to make the clamping block 21 separate from the jackscrew 4, at this moment, the jackscrew 4 moves inward under the elastic force of the elastic element 5, again makes the inner end of the jackscrew 4 extend into the clamping groove 12, simultaneously, the outer end of the jackscrew 4 separates from the lock hole 31 on the roller body 3, in this way, the roller body 3 can be pulled out from the supporting cylinder 1, then a new roller body 3 is sleeved on the supporting cylinder 1, to realize the replacement operation of the roller body 3. The above-mentioned operation only needs simple plug-in and rotation actions to realize the disassembly and assembly among the supporting cylinder 1, the rotating shaft 2 and the roller body 3, compared with the connecting mode in the prior art, the operation is simple and convenient, greatly improves the replacement efficiency, and is favorable for accelerating the production process.

[0027] In specific implementation, the sliding slot 11 and the clamping groove 12 on any one side of the supporting cylinder 1 are both provided as two, and are oppositely arranged, and the clamping block 21 on any one rotating shaft 2 is also provided as two, to improve the connection stability between the rotating shaft 2 and the supporting cylinder 1.

[0028] Please refer to Figure 6 As a preferred embodiment, the outer wall of the supporting cylinder 1 is provided with a recess 13, a through hole 14 is formed in the groove bottom wall of the recess 13 along the radial direction of the supporting cylinder 1, the through hole 14 is communicated with the clamping groove 12, the jackscrew 4 slidably penetrates the through hole 14, and the elastic element 5 is installed in the recess 13.

[0029] Further, the recess 13 is a circular recess, a limiting ring 15 is protruded on the groove side wall of the recess 13, a bearing ring 41 is protruded on the outer wall of the top post 4 along the radial direction, one end of the elastic member 5 elastically bears against the limiting ring 15, and the other end of the elastic member 5 elastically bears against the bearing ring 41, so that when the protrusion 21 does not push against the top post 4, the bearing ring 41 bears against the groove bottom wall of the recess 13, and the inner end of the top post 4 is extended into the clamping groove 12 under the action of the elastic member 5. In the embodiment, the elastic member 5 is a spring sleeved on the outside of the top post 4, and in other not shown embodiments, the elastic member 5 can also be a rigid and elastic element such as a stainless steel spring or a copper spring, which is not limited here.

[0030] As a preferred embodiment, the inner end of the top post 4 is provided with a semispherical shape, and when the protrusion 21 does not push against the top post 4, only the semispherical part of the top post 4 is located in the clamping groove 12, so that when the protrusion 21 pushes against the inner end of the top post 4, it is ensured that the semispherical part is in contact with the protrusion 21, and the semispherical structure is beneficial to the protrusion 21 to push the top post 4 outward.

[0031] In addition, the side wall of the protrusion 21 for pushing against the inner end of the top post 4 is provided with an arc surface 211, which can reduce the friction between the protrusion 21 and the top post 4 when the top post 4 moves along the radial direction, and reduce the sharp corners of the protrusion 21 scratching the surface of the top post 4.

[0032] Please refer again to Figure 2 In the embodiment, the outer wall of the support cylinder 1 is provided with a protrusion 16 along the axial direction, the inner wall of the roller body 3 is provided with a guide groove 32, the protrusion 16 and the guide groove 32 are matched with each other, and when the roller body 3 is sleeved on the support cylinder 1, the relationship between the protrusion 16 and the guide groove 32 is such that the locking hole 31 can be aligned with the outer end of the top post 4, so that when the top post 4 is pushed by the protrusion 21, the outer end of the top post 4 can be inserted into the locking hole 31. Further, one end of the outer wall of the support cylinder 1 is provided with a limiting plate 17 along the radial direction of the support cylinder 1, and when the roller body 3 is sleeved on the support cylinder 1 along the axial direction until the one end of the roller body 3 bears against the limiting plate 17, the roller body 3 is installed in place.

[0033] In the embodiment, the locking pin 6 is detachably installed on the end face of the support cylinder 1, is inserted into the support cylinder 1 along the axial direction of the support cylinder 1, and has one end inserted into the clamping block 21. When the clamping block 21 is moved into position in the clamping groove 12, the hole 212 on the clamping block 21 is aligned with the hole on the support cylinder 1 for installing the locking pin 6, the user can insert the locking pin 6 into the support cylinder 1 from the side of the support cylinder 1, and insert one end of the locking pin 6 into the hole 212 on the clamping block 21. At this time, under the action of the locking pin 6, the clamping block 21 is locked in the clamping groove 12, and the clamping block 21 cannot move in the clamping groove 12. When the user pulls out the locking pin 6, the locking of the clamping block 21 is released, and at this time, the rotating shaft 2 can be rotated.

[0034] Compared with the prior art, the quick-release transmission roller only needs simple plugging and rotating actions to realize the disassembly and assembly of the support cylinder 1, the rotating shaft 2 and the roller body 3, is simple and convenient to operate, greatly improves the replacement efficiency, is beneficial to speed up the production process, and when the roller body 3 located at the outermost side is worn, only the roller body 3 needs to be replaced, the whole replacement is avoided, material waste is reduced, and the quick-release transmission roller is convenient to use and popularize.

[0035] Based on the above ideal embodiments of the utility model, through the above description, relevant staff can make various changes and modifications without deviating from the scope of the utility model. The technical scope of the utility model is not limited to the content in the specification, and must be determined according to the scope of claims.

Claims

1. A quick release drive roller characterized by: The support cylinder is provided with a groove on the outer wall, a through hole is formed on the groove bottom wall along the radial direction of the support cylinder, the through hole is communicated with the clamping groove, and the top post is slidably penetrated through the through hole.

2. The quick release drive roller of claim 1, wherein: The groove is provided with a limiting ring on the groove side wall, the outer wall of the top post is provided with a bearing ring along the radial direction, one end of the elastic member is elastically supported by the limiting ring, and the other end of the elastic member is elastically supported by the bearing ring.

3. The quick release drive roller of claim 2, wherein: The elastic member is a spring which is sleeved outside the top post.

4. The quick release drive roller of claim 3, wherein: The inner end of the top post is provided in a semispherical shape.

5. The quick release drive roller of claim 2, wherein: The side wall of the clamping block for pushing the inner end of the top post is provided in an arc surface.

6. The quick release drive roller of claim 5, wherein: The outer wall of the support cylinder is provided with a convex strip on one end along the axial direction, and the inner wall of the roller body is concavely provided with a guide groove, and the convex strip and the guide groove are matched with each other.

7. The quick release drive roller of claim 2, wherein: One end of the support cylinder is provided with a limiting plate along the radial direction of the support cylinder, and one end of the roller body is elastically supported by the limiting plate.

8. The quick release drive roller of claim 7, wherein: The end faces on both sides of the support cylinder are detachably provided with locking pins, the locking pins are inserted into the support cylinder along the axial direction of the support cylinder, and one end of the locking pin is inserted into the clamping block.

9. The quick release drive roller of claim 7, wherein: ​

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