CN211964370U

CN211964370U - Cutting roller with replaceable rotating shaft for garden branch cutting and crushing machine

Info

Publication number: CN211964370U
Application number: CN202020595910.XU
Authority: CN
Inventors: 王艺陶; 王艳苓
Original assignee: Yongdongfa Langfang Technology Co ltd
Current assignee: Yongdongfa Langfang Technology Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-11-20
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a cutting roller with a replaceable rotating shaft for garden branches and crushers, which comprises a roller body and a rotating shaft, wherein the axle center of the roller body is provided with a roller body channel, and two ends of the roller body channel are provided with tensioning sleeves; the rotating shaft penetrates through the roller body channel and the tensioning sleeve, and the tensioning sleeve is clamped between the roller body and the rotating shaft. The utility model adopts the above structure a cutting roller of removable pivot that gardens lopping, rubbing crusher used has realized dismantling of roll body and pivot, has prevented to scrap the pivot in order to scrap the roll body, has reduced the waste of countershaft to avoid the problem of pivot heat treatment inefficacy effectively, still avoided the big problem of concentricity error in roll body and the pivot welding process.

Description

Cutting roller with replaceable rotating shaft for garden branch cutting and crushing machine

Technical Field

The utility model relates to a gardens lopping, rubbing crusher technique especially relate to a cutting roller of removable pivot that gardens lopping, rubbing crusher used.

Background

On a garden branch cutting and crushing machine, a crushing roller type cutting roller is widely applied due to the advantages of large mass, wide cutting range and the like, however, the rotating shaft and the roller body are generally welded into a whole by the current cutting roller, and after a period of cutting work, the cutting roller needs to be replaced due to serious abrasion, so that the whole roller body and the rotating shaft have to be scrapped together, and waste is caused; on the other hand, the rotating shaft is generally required to be subjected to heat treatment during manufacturing because of high load and high rotating speed during working, and when the roller body and the rotating shaft are welded, the effect caused by the heat treatment of the rotating shaft is easy to lose efficacy, so that the rotating shaft is broken when the impact is large; moreover, the problem that the concentricity error of the roller body and the rotating shaft is large is easily caused when the roller body and the rotating shaft are welded.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cutting roller with a replaceable rotating shaft, and in order to realize the purpose, the utility model provides a cutting roller with a replaceable rotating shaft for garden branches and grinders, which comprises a roller body and a rotating shaft, wherein the axle center of the roller body is provided with a roller body channel, and two ends of the roller body channel are both provided with tensioning sleeves; the rotating shaft penetrates through the roller body channel and the tensioning sleeve, and the tensioning sleeve is clamped between the roller body and the rotating shaft.

Preferably, one end of the rotating shaft is provided with an annular bulge, and the annular bulge is clamped with the annular opening of the tensioning sleeve; one end of the rotating shaft, which is far away from the annular bulge, is connected with an output shaft of the motor.

Preferably, the tensioning sleeve comprises: the inner ring consists of a flange and a circular truncated cone arranged on one surface of the flange, wherein an inner ring opening is arranged at the axis of the circular truncated cone and the flange, and a through inner ring side opening is arranged at the side part of the inner ring; the outer ring is provided with an inverted frustum-shaped outer ring opening at the axis, and the side part of the outer ring is provided with a through outer ring side opening; one end of the inner ring, far away from the flange, is inserted into an outer ring opening of the outer ring, wherein a first threaded hole is formed in the edge of one face of the inner ring, a second threaded hole is formed in the position, corresponding to the first threaded hole, of the outer ring, and screws are inserted into the first threaded hole and the second threaded hole together.

Preferably, the positions, corresponding to the two ends of the channel of the roller body, on the roller body are provided with annular grooves, and the bottoms of the annular grooves are abutted to the flanges on the outer ring.

Therefore, the utility model adopts the above structure a cutting roller of removable pivot that gardens lopping, rubbing crusher used has realized dismantling of roll body and pivot, has prevented to scrap the pivot in order to scrap the roll body in the time, has reduced the waste of countershaft to avoid the problem of pivot heat treatment inefficacy effectively, still avoided the big problem of concentricity error in roll body and the pivot welding process.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of a structure of a rotary shaft replaceable cutting roller for garden pruning and crushing machine according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic structural diagram of the rotating shaft sleeved with the tensioning sleeve.

Wherein: 1. a roller body; 2. an outer ring; 3. a rotating shaft; 4. an inner ring; 5. a roller body channel; 6. a screw; 7. an annular projection; 8. a tensioning sleeve; 9. an inner ring side port; 10. and an outer ring side port.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed embodiments and the specific operation processes are provided, but the protection scope of the present invention is not limited to the present embodiment.

Fig. 1 is the structure schematic diagram of the cutting roller structure with a replaceable rotating shaft for garden cutting and crushing machine of the present invention, fig. 2 is an enlarged view of a position a in fig. 1, fig. 3 is a structure schematic diagram of a rotating shaft sleeved with a tensioning sleeve, as shown in fig. 1, fig. 2 and fig. 3, the structure of the present invention is a cutting roller with a replaceable rotating shaft for garden cutting and crushing machine, which comprises a roller body 1 and a rotating shaft 3, a roller body channel 5 is arranged at the axis of the roller body 1, and tensioning sleeves 8 are arranged at both ends of the roller body channel 5; the rotating shaft 3 penetrates through the roller body channel 5 and the tensioning sleeve 8, the tensioning sleeve 8 is clamped between the roller body 1 and the rotating shaft 3, the tensioning sleeve 8 can retract into the inner ring and expand the outer ring, and therefore the inner ring of the roller body 1 and the outer side of the rotating shaft 3 can be tightly attached to each other, and coaxial rotation of the roller body 1 and the rotating shaft 3 is achieved.

One end of the rotating shaft 3 is provided with an annular bulge 7, and the annular bulge 7 is clamped with the annular opening of the tensioning sleeve 8; the one end of keeping away from annular bulge 7 on pivot 3 is connected with the output shaft of motor, and annular bulge 7 has avoided roll body 1 to break away from the one end of annular bulge 7 on pivot 3 effectively in the course of the work or the installation.

The tensioning sleeve 8 comprises: the inner ring 4 consists of a flange and a circular truncated cone arranged on one surface of the flange, wherein an inner ring opening is arranged at the axis of the circular truncated cone and the flange and is used for sleeving the rotating shaft, a through inner ring side opening 9 is arranged on the side part of the inner ring 4, and the inner ring side opening 9 is a rectangular through opening; the outer ring 2 is provided with an inverted frustum-shaped outer ring opening at the axis, the side part of the outer ring 2 is provided with a through outer ring side opening 10, and the outer ring side opening 10 is a rectangular through opening; keep away from the one end of flange on inner ring 4 and peg graft in the outer loop opening of outer loop 2, wherein, the edge of flange one side is provided with first screw hole on inner ring 4, the position that corresponds first screw hole on outer loop 2 is provided with the second screw hole, first screw hole and second screw hole are pegged graft jointly and are had screw 6, screw 6 wears out from first screw hole, insert the second screw hole, screw 6 is rotatory to be made outer loop 2 to inner ring 4 and is close to, because there is certain penetrating space in inner loop side mouth 9 and outer loop side mouth 10, so outer loop 2 and inner loop 4 can make inner loop 4 indent when being close to, make outer loop 2 outwards expand, realize the inseparable laminating in the inner circle of tight cover 8 to roll body 1 and the 3 outsides of pivot.

The positions of the roller body 1 corresponding to the two ends of the roller body channel 5 are provided with annular grooves, the groove bottoms of the annular grooves are abutted to flanges on the outer ring 2, and when the roller body works and the roller body is replaced, the annular grooves prevent the tensioning sleeve 8 from sliding towards the motor direction on the rotating shaft 3.

When the roller is used, the rotating shaft 3 penetrates out of the roller body 1, the tensioning sleeves 8 are arranged at two ends of the roller body channel 5, the rotating shaft 3 penetrates into the tensioning sleeves 8, the screw 6 on the inner ring 4 is screwed, the inner ring 4 clamps the rotating shaft 3 tightly, the outer ring 2 tightly pushes the roller body 1, and the rotating shaft 3 and the roller body 1 are coaxially fixed.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a cutting roller of removable pivot that gardens branch cutting, rubbing crusher used, includes roll body (1) and pivot (3), its characterized in that:

a roller body channel (5) is arranged at the axis of the roller body (1), and two ends of the roller body channel (5) are provided with tensioning sleeves (8);

the rotating shaft (3) penetrates through the roller body channel (5) and the tensioning sleeve (8), wherein the tensioning sleeve (8) is clamped between the roller body (1) and the rotating shaft (3).

2. The cutting roll with a replaceable rotating shaft for the garden pruning and crushing machine according to claim 1, wherein the cutting roll is characterized in that:

one end of the rotating shaft (3) is provided with an annular bulge (7), and the annular bulge (7) is clamped with the annular opening of the tensioning sleeve (8);

one end of the rotating shaft (3) far away from the annular bulge (7) is connected with an output shaft of a motor.

3. The cutting roll with a replaceable rotating shaft for the garden pruning and crushing machine according to claim 1, wherein the cutting roll is characterized in that:

the tensioning sleeve (8) comprises:

the inner ring (4) consists of a flange and a circular truncated cone arranged on one surface of the flange, wherein an inner ring opening is arranged at the axis of the circular truncated cone and the flange, and a through inner ring side opening (9) is arranged at the side part of the inner ring (4);

the outer ring (2) is provided with an inverted frustum-shaped outer ring opening at the axis, and the side part of the outer ring (2) is provided with a through outer ring side opening (10);

one end of the inner ring (4), which is far away from the flange, is inserted into an outer ring opening of the outer ring (2), wherein a first threaded hole is formed in the edge of one surface of the flange on the inner ring (4), a second threaded hole is formed in the position, corresponding to the first threaded hole, on the outer ring (2), and a screw (6) is inserted into the first threaded hole and the second threaded hole together.

4. The cutting roll with a replaceable rotating shaft for the garden pruning and crushing machine according to claim 1, wherein the cutting roll is characterized in that:

the positions of the roller body (1) corresponding to the two ends of the roller body channel (5) are provided with annular grooves, and the bottoms of the annular grooves are abutted to the flanges on the outer ring (2).