CN220511592U

CN220511592U - Roller cutting tooth of barren machine

Info

Publication number: CN220511592U
Application number: CN202321191009.6U
Authority: CN
Inventors: 马先鹏
Original assignee: Fujian Changting Jiahang Industrial Co ltd
Current assignee: Fujian Changting Jiahang Industrial Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2024-02-23
Anticipated expiration: 2033-05-17

Abstract

The utility model discloses a roller cutting tooth of a barren machine, which relates to the technical field of barren machines and comprises a cutting roller main body capable of realizing rolling cutting, wherein a plurality of cutting teeth are arranged on the cutting roller main body and are spirally distributed at intervals along the circumferential direction of the cutting roller main body; the cutting teeth comprise cutter holders fixedly arranged on the cutting drum body and cutter heads detachably connected with the cutter holders, special-shaped structures are arranged between the cutter holders and the cutter heads, the cutter holders and the cutter heads are coupled through the special-shaped structures, locking structures are detachably connected to the two sides of the cutter heads, the cutter heads are abutted against the two sides of the cutter heads and the two sides of the cutter holders through the locking structures, and the cutter heads and the cutter holders are fixedly connected; according to the utility model, through the arrangement of the special-shaped structure and the locking structure, the limit of the cutter head in the vertical direction is realized, and the limit of the left side and the right side of the cutter head is realized, so that the connection firmness of the cutter head and the cutter holder is effectively ensured, and the cutter head cannot deviate left and right.

Description

Roller cutting tooth of barren machine

Technical Field

The utility model relates to the technical field of barren machines, in particular to a roller cutting tooth of a barren machine.

Background

The barren machine is a soil preparation machine, can clean shrubs, barren grass and the like, and is widely applied to the fields of agricultural barren, traffic construction, building construction and the like.

The barren machine carries out rotary cutting through the cutting drum of installing at the front end, can play ground and clear away, the creation and the maintenance of woodland passageway, clearance and maintenance vegetation, the pruning of trees and hedge covers trees and hedge to ground or creates the effect of preventing the wall, when carrying out relevant rotary cutting, clear up and barren on ground, because subaerial metal piece, iron bar etc. causes the tooth on the cylinder to damage and wearing and tearing easily.

In the prior art, chinese patent with publication number CN216960694U (hereinafter referred to as reference 1) is proposed, and through the structural arrangement of the cutter head, because the cutter head has two cutting planes, when the drum is driven to rotate, one of them cutting planes plays main cutting action, and after one of them cutting plane wears out or damages, through loosening countersunk head screw, the cutter head is rotated, the cutting plane of the other side is converted with the cutting plane of wearing and tearing, realizes the beneficial effect of extension cutter head life under the condition of not changing.

Although the comparison document 1 can realize the replacement of the cutter head conveniently, the problem of insufficient firmness of the cutter head exists, the cutter head is particularly shown in the working process of the barren machine, the cutter head is generally cut in the vertical direction, the fixation between the two sides of the cutter head is particularly important, the cutter head is ensured not to deviate left and right on the cutter seat, the cutter head can be cut in the vertical direction consistently, in the comparison document 1, the abstract drawing shows that the cutter head is not fixed at the left side and the right side, so that the cutter head is inevitably deviated left and right in the long-time barren work, the cutter head is easy to influence the cutting efficiency due to deviation of the cutter head, and the abrasion of the cutter head is accelerated.

There is a need for an improved solution to the above-mentioned problems.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

The roller cutting teeth of the barren machine comprise a cutting roller main body capable of realizing rolling cutting, a plurality of cutting teeth are arranged on the cutting roller main body, and the cutting teeth are spirally distributed at intervals along the circumferential direction of the cutting roller main body;

the cutting teeth are fixedly arranged on the cutter seat of the cutting drum body and the cutter head detachably connected with the cutter seat, a special-shaped structure is arranged between the cutter seat and the cutter head, the cutter seat and the cutter head are coupled through the special-shaped structure, locking structures are detachably connected on two sides of the cutter head, the cutter head and the cutter seat are abutted against two sides of the cutter head and the cutter seat together through the locking structures, and the cutter head and the cutter seat are fixedly connected.

As a further scheme of the utility model: the locking structure comprises a first abutting block, a second abutting block and a locking screw, wherein the first abutting block abuts against one side face of the tool holder and one side face of the tool bit, the second abutting block abuts against the other side face of the tool holder and the other side face of the tool bit, and the locking screw sequentially penetrates through the first abutting block, the tool bit and the second abutting block to lock the tool bit, the tool holder, the first abutting block and the second abutting block into a whole.

As a further scheme of the utility model: the first abutting block, the cutter head and the second abutting block are respectively provided with a through hole penetrating through the first abutting block, the cutter head and the second abutting block, and the through holes are matched with the locking screw.

As a further scheme of the utility model: the cutter holder is provided with a notch for installing the cutter head, the special-shaped structure comprises a positioning block convexly arranged at the position of the cutter holder and a positioning groove arranged on one side of the cutter head corresponding to the notch, and the positioning block is matched with the positioning groove.

As a further scheme of the utility model: the positioning block and the positioning groove are both triangular.

As a further scheme of the utility model: the periphery of the cutter head is provided with cutter teeth, the middle positions of the cutter teeth are convexly arranged to form cutting edges, and the cutting edges are in cambered surface transition towards the two sides of the cutter teeth.

As a further scheme of the utility model: the angle of the cutter teeth on the cutter head is 40-50 degrees.

As a further scheme of the utility model: the distance from the highest point of the blade to the axis of the cutting cylinder body is greater than the distance from the highest point of the blade holder or head to the axis of the cutting cylinder body.

Compared with the prior art, the utility model has the following beneficial effects:

1) Through being provided with special-shaped structure between blade holder and tool bit for blade holder and tool bit can have certain joint relation in vertical direction, rethread locking structure's setting, locking structure can support tightly in the left and right sides of tool bit and blade holder jointly, realized the spacing of tool bit in vertical direction promptly, realized the spacing to the tool bit left and right sides again, thereby guaranteed the firmness of tool bit and blade holder connection effectively, make the tool bit can not produce the problem of horizontal offset, and then effectively avoid the tool bit because of not carrying out the fixed of left and right sides, in long-time barren work, the tool bit can not appear horizontal offset and easily lead to the tool bit to take place the off normal, influence cutting efficiency, and the problem emergence of the wearing and tearing of tool bit has been accelerated, preferably, the detachable connected mode of tool bit, make when the too high needs change of wearing and tearing appear in any tool bit, thereby effectively practiced thrift the cost, and reasonable overall design, the practicality is strong.

2) Through locking structure including first tight piece, second tight piece and locking screw of supporting, combine locking structure detachable connection in this setting of tool bit, in the installation, the accessible locking screw is with first tight piece and the second tight piece of supporting respectively laminating in the left and right sides of tool bit, locking screw is pretension state this moment, the rethread is with the tool bit, first tight piece of supporting, the second is supported tightly the whole of piece and locking screw, couple tool bit and tool holder through special-shaped structure, first tight piece and second are supported tightly the piece and can laminate jointly in the left and right sides of tool bit and tool holder this moment, screw up the locking screw again at last, make first tight piece and second support tightly the left and right sides of tool bit and tool holder respectively firmly, can accomplish the rigid coupling of tool bit and tool holder, whole easy operation, portable installation of tool bit and tool holder has been realized, and the mode of first tight piece and second supporting the tight piece of supporting is installed in advance under the accessible line, the time of changing the tool bit that can realize when changing the tool bit again, the time of changing is reduced greatly, the tool bit has realized the high-efficient dismantlement mode of connection.

3) Through having the sword tooth that is used for cutting action in the upper end of tool bit periphery, and the protruding cutting edge that establishes in the middle of the sword tooth for the cutting position of tool bit is concentrated more, does benefit to the cutting effect, and the cutting edge is the cambered surface transition to the both sides of sword tooth, when guaranteeing the rigidity and the support degree of cutting edge, the waste material of cutting edge cutting can be discharged along the cambered surface of its both sides, thereby can effectively reduce the accumulation of excision waste material.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of a cutting tooth according to the present utility model;

fig. 3 is a schematic view of an exploded construction of a cutting tooth according to the present utility model.

Reference numerals and names in the drawings are as follows:

1. a cutting drum body; 2. cutting teeth; 3. a tool apron; 4. a cutter head; 5. a special-shaped structure; 6. a locking structure; 7. a first tightening block; 8. a second abutting block; 9. locking a screw; 10. a through port; 11. a notch; 12. a positioning block; 13. a positioning groove; 14. cutter teeth; 15. and (3) cutting edges.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, in an embodiment of the present utility model, a roller cutting tooth of a barren machine includes a cutting roller body 1 capable of realizing rolling cutting, a plurality of cutting teeth 2 are disposed on the cutting roller body 1, and the plurality of cutting teeth 2 are spirally spaced along a circumferential direction of the cutting roller body 1;

the cutting teeth 2 are fixedly arranged on the cutter holder 3 of the cutting drum body 1 and detachably connected with the cutter head 4 of the cutter holder 3, a special-shaped structure 5 is arranged between the cutter holder 3 and the cutter head 4, the cutter holder 3 and the cutter head 4 are coupled through the special-shaped structure 5, locking structures 6 are detachably connected to two sides of the cutter head 4, and the cutter head 4 and the cutter head 3 are fixedly connected through the locking structures 6 in a mutually propped mode on two sides of the cutter head 4 and the cutter holder 3.

According to the technical scheme, the cutting drum comprises a cutting drum body 1 capable of realizing rolling cutting, the cutting drum body is driven by a standard gear motor or a piston motor to conduct rolling cutting, a plurality of cutting teeth 2 are distributed at intervals along the circumferential direction of the cutting drum body 1 in a spiral mode, and when the cutting teeth 2 clear barren grass or shrubs and the like, cut waste can be discharged in time in a spiral mode, so that accumulation of the cut waste is effectively reduced or avoided;

preferably, the cutting tooth 2 includes a cutter holder 3 fixed on the surface of the cutting drum body 1 and a cutter head 4 detachably connected to the cutter holder 3, the cutter holder 3 is fixed on the surface of the cutting drum body 1 in a manner of but not limited to embedding, wherein a special-shaped structure 5 is arranged between the cutter head 4 and the cutter holder 3, the special-shaped structure 5 can be a bump and a groove, the bump can be arranged on the cutter head 4, the cutter holder 3 is provided with a groove corresponding to the bump, or the bump can be arranged on the cutter holder 3, the cutter head 4 is provided with a groove corresponding to the bump, the cutter head 4 and the cutter holder 3 can be coupled through the arrangement of the special-shaped structure 5, namely through the cooperation of the bump and the groove, particularly, a clamping relationship in the vertical direction is formed, on the basis, the locking structure 6 can be jointly abutted against the left side and the right side of the cutter head 4 and the left side of the cutter head 4 through the detachable connection of the left side and the right side of the cutter head 4, and the cutter head 4 can be fixed on the cutter head 3;

in the mounting process, the cutter head 4 can be coupled with the cutter holder 3 through the special-shaped structure 5, and then the cutter head 4 and the cutter holder 3 are abutted against the left side and the right side of the cutter head 4 and the cutter holder 3 through the locking structure 6, so that the fixedly connection of the cutter head 4 and the cutter holder 3 is completed, and the mounting mode is simple, quick and reliable; one of the mounting steps of the tool head 4 and the tool holder 3 is, but not limited to, other mounting steps that can be performed;

to sum up, through being provided with special-shaped structure 5 between blade holder 3 and blade holder 4, make blade holder 3 and blade holder 4 can have certain joint relation in the vertical direction, rethread locking structure 6's setting, locking structure 6 can support tightly in the left and right sides of blade holder 4 and blade holder 3 jointly, realized promptly spacing in vertical direction to blade holder 4, realized spacing to blade holder 4 left and right sides again, thereby guaranteed the firmness that blade holder 4 and blade holder 3 are connected effectively, make blade holder 4 can not produce the problem of horizontal skew, and then effectively avoid blade holder 4 because of not carrying out the fixed of left and right sides, in long-time barren work, blade holder 4 can not appear horizontal skew and lead to easily to take place the off-position because of blade holder 4, influence cutting efficiency, and the problem emergence of blade holder 4 wearing and tearing has been accelerated, preferably, the detachable connected mode of blade holder 4 makes when the wearing and tearing of arbitrary blade holder 4 appear too high and need be changed, thereby effectively saving the cost, and reasonable in design, the practicality is strong.

In the embodiment of the utility model, the locking structure 6 comprises a first abutting block 7, a second abutting block 8 and a locking screw 9, wherein the first abutting block 7 abuts against one side surface of the tool holder 3 and one side surface of the tool bit 4, the second abutting block 8 abuts against the other side surface of the tool holder 3 and the other side surface of the tool bit 4, and the locking screw 9 sequentially penetrates through the first abutting block 7, the tool bit 4 and the second abutting block 8 so as to lock the tool bit 4, the tool holder 3, the first abutting block 7 and the second abutting block 8 into a whole;

the first abutting block 7, the cutter head 4 and the second abutting block 8 are respectively provided with a through hole 10 penetrating through the first abutting block, and the through holes 10 are matched with the locking screw 9.

Through locking structure 6 including first tight piece 7 that supports, second tight piece 8 and locking screw 9, combine locking structure 6 can dismantle this setting in tool bit 4, in the installation, accessible locking screw 9 is with first tight piece 7 that supports and second tight piece 8 laminating respectively in the left and right sides of tool bit 4, locking screw 9 is pretension state this moment, the rethread is with tool bit 4, first tight piece 7 that supports, this whole of tight piece 8 and locking screw 9 is supported to the second, couple tool bit 4 and tool holder 3 through special-shaped structure 5, first tight piece 7 that supports and second tight piece 8 can laminate jointly in the left and right sides of tool bit 4 and tool holder 3 this moment, screw 9 again at last, make first tight piece 7 that supports and second tight piece 8 can support firmly respectively and support the left and right sides at tool bit 4 and tool holder 3, whole easy operation, the portable installation of tool bit 4 and tool holder 3 has been realized, and the realization is to tool bit 4, first tight piece 7 and second tight piece 8 supports the tight piece 8 can be realized to the quick replacement of tool bit 4 when the tight piece 4 is supported to the realization, the quick change mode is realized, the tool bit 4 can be changed greatly.

In the embodiment of the utility model, the cutter holder 3 is provided with the notch 11 for installing the cutter head 4, the special-shaped structure 5 comprises the positioning block 12 convexly arranged at the position of the cutter holder 3 and positioned at the notch 11, and the positioning groove 13 arranged at one side of the cutter head 4 corresponding to the notch 11, and the positioning block 12 is matched with the positioning groove 13.

Through the setting of breach 11 for tool bit 4 can dock with blade holder 3, through the joint cooperation of locating piece 12 and constant head tank 13, makes tool bit 4 and blade holder 3 can couple.

In the embodiment of the utility model, the positioning block 12 and the positioning groove 13 are both triangular.

With this arrangement, the cutter head 4 is restricted to being removed or mounted on the cutter seat 3 only in the left or right direction thereof when the cutter head 4 is removed or replaced.

In the embodiment of the utility model, the cutter teeth 14 are arranged on the periphery of the cutter head 4, the middle positions of the cutter teeth 14 are convexly arranged to form the cutting edges 15, and the cutting edges 15 are in cambered surface transition towards the two sides of the cutter teeth 14.

Through having the cutter tooth 14 that is used for cutting action at the upper end of cutter head 4 periphery, and the protruding cutting edge 15 that sets up in the middle of the cutter tooth 14 for cutter head 4's cutting position is more concentrated, does benefit to the cutting effect, and the cutting edge 15 is the cambered surface transition to the both sides of cutter tooth 14, when guaranteeing the rigidity and the support degree of cutting edge 15, the waste material of cutting edge 15 cutting can be discharged along the cambered surface of its both sides, thereby can effectively reduce the piling up of excision waste material.

In the embodiment of the utility model, the angle of the cutter teeth 14 on the cutter head 4 is 40-50 degrees, preferably 45 degrees, which is beneficial to the cutting effect.

In the embodiment of the utility model, the distance from the highest point of the blade edge 15 to the axis of the cutting cylinder body 1 of the cutter tooth 14 is larger than the distance from the highest point of the cutter seat 3 or the cutter head 4 to the axis of the cutting cylinder body 1.

It will be appreciated that the highest point of the cutter teeth 14 is the cutting end, and the radius of the circumferential line formed by the highest point of the cutter teeth 14 located at the cutting edge 15 can be larger than the radius of the circumferential line formed by the highest point of the cutter seat 3 or the cutter head 4 during the overturning process of the cutting drum body 1, so that the cutter seat 3 or the cutter head 4 can be ensured not to interfere with the cutting of the cutter teeth 14.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The roller cutting teeth of the barren machine are characterized by comprising a cutting roller main body capable of realizing rolling cutting, wherein a plurality of cutting teeth are arranged on the cutting roller main body and are spirally distributed at intervals along the circumferential direction of the cutting roller main body;

2. The drum cutting tooth of a barren machine of claim 1, wherein the locking structure comprises a first abutting block, a second abutting block and a locking screw, the first abutting block abuts against one side surface of the cutter holder and one side surface of the cutter head, the second abutting block abuts against the other side surface of the cutter holder and the other side surface of the cutter head, and the locking screw sequentially penetrates through the first abutting block, the cutter head and the second abutting block to lock the cutter head, the cutter holder, the first abutting block and the second abutting block into a whole.

3. The drum cutting tooth of a barren machine of claim 2, wherein the first abutment block, the cutter head and the second abutment block are respectively provided with a through hole penetrating through the drum cutting tooth, and the through holes are matched with the locking screw.

4. The drum cutting tooth of a barren machine according to claim 1, wherein the cutter holder is provided with a notch for installing the cutter head, the special-shaped structure comprises a positioning block convexly arranged at the position of the cutter holder and a positioning groove arranged on one side of the cutter head corresponding to the notch, and the positioning block is matched with the positioning groove.

5. The drum cutting tooth of a barren machine of claim 4, wherein the locating block and the locating slot are each triangular in shape.

6. The drum cutting tooth of a barren machine according to claim 1, wherein the outer circumference of the cutter head is provided with cutter teeth, the middle position of the cutter teeth is convexly provided with a cutting edge, and the cutting edge is transitionally cambered towards two sides of the cutter teeth.

7. The drum cutting tooth of claim 6, wherein the cutter tooth is positioned at an angle of 40-50 degrees on the cutter head.

8. A drum cutting tooth for a barreling machine as claimed in claim 7, wherein the distance from the highest point of the blade to the axis of the drum body is greater than the distance from the highest point of the blade holder or head to the axis of the drum body.