CN218244494U

CN218244494U - Cutting knife rest

Info

Publication number: CN218244494U
Application number: CN202222423015.1U
Authority: CN
Inventors: 赵广军; 赵威
Original assignee: Deniyou Intelligent Technology Shanghai Co ltd
Current assignee: Deniyou Intelligent Technology Shanghai Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-10
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses a cutting knife rest, including two knife rest curb plates, the hobbing cutter sets up between two knife rest curb plates, the hobbing cutter includes a plurality of helical blade, a plurality of fixed disk and hollow adapter sleeve, helical blade swing joint is on the fixed disk, fixed disk fixed connection is in hollow adapter sleeve, the connecting axle runs through the shaft hole on hollow adapter sleeve and two knife rest curb plates, the connecting axle is equipped with the seated bearing at knife rest curb plate inboard position cover, the cover is equipped with rotatory blade disc on the hollow adapter sleeve, realize fixing through the packing ring of suit outside seated bearing, be used for pruning the grass trunk outside the hobbing cutter, still fixedly be provided with the bed knife between two knife rest curb plates, the hobbing cutter forms many scissors with the bed knife when rotating, cut off the grass trunk that needs to cut; the outer belt wheel enables the V belt wheel and the connecting shaft to rotate, the hob, the rotary cutter disc and the bottom cutter form scissors so as to trim grass plants, and the rotary cutter disc can trim the grass plants between the side plate of the cutter rest and the spiral blades so as to improve the trimming efficiency.

Description

Cutting knife rest

Technical Field

The utility model relates to a lawnmower field especially relates to a cutting knife rest.

Background

When the lawn with flat ground, lower grass remaining height and high quality requirement is pruned, a large-sized hob mower is usually adopted to prune the lawn so as to achieve higher pruning quality.

Among the prior art, hobbing cutter lawnmower forms countless scissors through the movable hobbing cutter and the cooperation of fixed bed knife, the grass that will be drawn in is pruned, but the grass plant that is close to the curb plate always can't obtain pruning, select partly the meadow of having pruned when needing lawnmower to carry out the pruning of next time, just can make the grass plant that does not succeed in pruning last time be in hobbing cutter middle part position, so both prolonged the pruning time, the tire that needs lawnmower simultaneously rolls many times on the meadow, cause more grass plants to be rolled and paste ground, can't accomplish the pruning.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a cutting knife rest.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the hob cutter comprises two cutter frame side plates and a hob cutter, wherein the hob cutter is arranged between the two cutter frame side plates and comprises a plurality of spiral blades, a plurality of fixed discs and a hollow connecting sleeve;

the spiral blade is movably connected to the fixed disc, and the fixed disc is fixedly connected to the hollow connecting sleeve;

the connecting shaft penetrates through the hollow connecting sleeve and the shaft holes in the two tool rest side plates, and a bearing with a seat is sleeved on the connecting shaft at the inner side of each tool rest side plate;

a rotary cutter head is sleeved on the hollow connecting sleeve, and is fixed through a gasket sleeved outside the bearing with a seat and used for trimming grass plants outside the hob;

and a bottom knife is fixedly arranged between the two knife rest side plates, and the hobbing cutter and the bottom knife form a plurality of scissors when rotating so as to cut off the grass plants to be cut.

As a further description of the above technical solution: one end of the connecting shaft is connected with the V-shaped belt wheel on the outer side of the knife rest side plate; the V belt wheel is used for sleeving a belt wheel connected with external driving equipment so as to realize the rotation of the connecting shaft.

As a further description of the above technical solution: the other end of the connecting shaft is sleeved with a knife rest diamond seat outside the knife rest side plate, and the knife rest diamond seat is sleeved with a knife rest side adapter plate.

As a further description of the above technical solution: the knife rest suspension rod is arranged outside the two knife rest side plates and consists of one suspension rod and two connecting plates, a through hole is formed in the middle of the suspension rod and used for being connected with external equipment, the connecting plate at one end of the knife rest suspension rod is connected with the knife rest side transfer plate, and the connecting plate at the other end of the knife rest suspension rod is arranged outside the V-shaped belt wheel and fixedly connected with the connecting shaft.

As a further description of the above technical solution: the tool rest side plates are provided with a plurality of round holes with different sizes and used for connecting other components, the bottom of each tool rest side plate is provided with a buffer rod, and two side plate connecting rods are connected between the tool rest side plates through the round holes and used for reinforcing the tool rest side plates.

As a further description of the above technical solution: two knife rest curb plate one end corresponds and is provided with the fixed connection cover for fixed grass pressing cylinder installation piece, two be provided with grass pressing cylinder between the grass pressing cylinder installation piece, the curb plate connecting rod sets up the hobbing cutter with between the grass pressing cylinder.

As a further description of the above technical solution: the other end of each of the two knife rest side plates is correspondingly provided with a positioning sheet and a roller adjusting sheet on two sides of the knife rest side plate through a round hole, the roller adjusting sheet is provided with a plurality of positioning holes for adjusting the connecting positions of the roller adjusting sheet and the positioning sheet, and a grass combing roller is arranged between the two roller adjusting sheets.

As a further description of the above technical solution: the bottom knife is arranged between the hobbing cutter and the grass combing roller, and two ends of the bottom knife are fixedly connected with the knife rest side plate through two bottom knife seats; and a cutter holder diamond-shaped seat is arranged above the hob, and two ends of the cutter holder diamond-shaped seat are respectively connected with the round holes in the two cutter holder side plates.

As a further description of the above technical solution: a plurality of notches are evenly formed in the fixed disc, and the spiral blades with different quantities can be installed on the fixed disc through the notches according to requirements.

As a further description of the above technical solution: the rotary cutter head comprises a plurality of blades, the end faces of blade edges and the edge end faces of the spiral blades are on the same plane, so that the hob and the rotary cutter head are matched with the grass plants cut by the bottom cutter, and the grass plants are consistent in height.

The utility model discloses following beneficial effect has:

1. the utility model discloses a rotary cutter head of setting between hollow adapter sleeve and knife rest curb plate can prune near knife rest curb plate hobbing cutter not pruned grass trunk, makes the grass trunk between the knife rest curb plate can once prune the completion, has improved pruning efficiency.

2. The utility model discloses a detachable helical blade can increase or reduce helical blade's quantity according to the place demand, can maintain or change more convenient helical blade simultaneously.

Drawings

Fig. 1 is a left side view of a cutting blade holder according to the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a bottom view of FIG. 1;

figure 5 is a perspective view of the rotary cutter head and the washer.

Illustration of the drawings:

1. a knife rest side plate; 2. hobbing cutters; 3. a connecting shaft; 4. a V belt wheel; 5. a mounted bearing; 6. Rotating the cutter head; 7. a gasket; 8. a bed knife; 9. a tool holder diamond seat; 10. a tool rest side adapter plate; 11. a tool holder suspension rod; 12. a side plate connecting rod; 13. a grass-pressing roller mounting block; 14. a grass pressing roller; 15. positioning a sheet; 16. a roller adjustment sheet; 17. a grass combing roller; 18. a bed knife mounting block; 19. a buffer rod; 21. a helical blade; 22. fixing the disc; 23. a hollow connecting sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: including two knife rest curb plates 1, hobbing cutter 2 sets up between two knife rest curb plates 1, its characterized in that: the hob 2 comprises a plurality of spiral blades 21, a plurality of fixed discs 22 and a hollow connecting sleeve 23, the spiral blades 21 are movably connected to the fixed discs 22, the fixed discs 22 are fixedly connected to the hollow connecting sleeve 23, the connecting shaft 3 penetrates through the hollow connecting sleeve 23 and shaft holes in the two tool rest side plates 1, the connecting shaft 3 is sleeved with a mounted bearing 5 at the inner side of the tool rest side plate 1, a rotary cutter disc 6 is sleeved on the hollow connecting sleeve 23 and used for trimming grass plants outside the hob 2, a gasket 7 is arranged between the rotary cutter disc 6 sleeved outside the mounted bearing 5 and the mounted bearing 5, a bottom cutter 8 is further fixedly arranged between the two tool rest side plates 1, the hob 2 and the bottom cutter 8 form a plurality of scissors during rotation, and the grass plants to be cut are cut off; an external driving device drives a V-belt wheel 4 to rotate through a belt wheel so as to drive a connecting shaft 3 to rotate, a hob 2 and a rotary cutter head 6 sleeved on the connecting shaft 3 rotate, countless scissors are formed with a fixed bed knife 8, grass plants combed in a grass combing roller 17 are trimmed, the trimmed grass plants are pressed through a grass pressing roller 14, the grass plants are kept at the same height, and the rotary cutter head 6 can also trim the grass plants between a cutter frame side plate 1 and a spiral blade 21 so as to improve the trimming efficiency; the detachable spiral blade 21 is matched with the fixed disk 22 with a plurality of notches, so that the gap of the spiral blade 21 can be adjusted according to the height of a grass plant to be cut when the lawn mower is used, and the spiral blade 21 can be detached for maintenance or replacement periodically to ensure the quality of the cut lawn.

Referring to fig. 2-5, a through hole is formed above a tool rest suspension rod 11 for connecting and fixing the whole tool rest and a machine body of a grass mower, two tool rest side plates 1 are reinforced by side plate connecting rods 12 arranged between a grass combing roller 17 and a hob 2, a bed knife 8 is arranged between the hob 2 and a grass pressing roller 14 by two bed knife mounting blocks 18 arranged on the tool rest side plates 1, the grass combing roller 17 is mounted on the tool rest side plates 1 by a positioning plate 15 and a conduction adjustment sheet 16, the grass pressing roller mounting block 13 is sleeved on a fixed connecting sleeve fixed on the tool rest side plates to fix the grass pressing roller 14 and the tool rest side plates 1, the tool rest suspension rod 11 comprises a suspension rod and two connecting plates, the middle part of the suspension rod is provided with the through hole for connecting with external equipment, the two connecting plates are arranged on the outer sides of the tool rest side plates 1, one of the connecting plates is connected with the tool rest side rotation plate 10 sleeved on a tool rest diamond-shaped seat 9, and the other connecting plate is fixed with a connecting shaft 3 extending out of a V-belt pulley 4.

The working principle is as follows: a tool rest is hung on a mower body through a through hole in a tool rest hanging rod 11, a connecting plate and a connecting shaft 3 on the tool rest hanging rod 11, which is provided with one end of a V belt wheel 4, are connected with another external cutting tool rest through a shaft, the tool rest is fixed, the V belt wheel is sleeved with a belt wheel driven by a driving motor and used for driving the connecting shaft to rotate so as to realize the rotation of a rotary cutter head 6 and a hob 2, in the rotating process, a spiral cutter blade 21 and the rotary cutter head 6 and a fixed bed knife 8 form countless scissors to trim grass plants, a grass combing roller 17 combs up the fallen grass plants attached to the ground so as to cut the grass plants, and the cut grass plants are pressed through a grass pressing roller 14 so as to ensure that the cut grass plants are kept at the same height.

Finally, it should be noted that: 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 on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. A cutting knife rest comprises two knife rest side plates (1), a hob (2), wherein the hob (2) is arranged between the two knife rest side plates (1), and is characterized in that: the hob (2) comprises a plurality of spiral blades (21), a plurality of fixed discs (22) and a hollow connecting sleeve (23);

the spiral blade (21) is movably connected to the fixed disc (22), and the fixed disc (22) is fixedly connected to the hollow connecting sleeve (23);

the connecting shaft (3) penetrates through the hollow connecting sleeve (23) and shaft holes in the two tool rest side plates (1), and a bearing (5) with a seat is sleeved on the connecting shaft (3) at the inner side of each tool rest side plate (1);

a rotary cutter head (6) is sleeved on the hollow connecting sleeve (23), and is fixed through a gasket (7) sleeved outside the bearing with a seat (5) and used for trimming grass plants outside the hob (2);

a bottom knife (8) is fixedly arranged between the two knife rest side plates (1), and the hob (2) and the bottom knife (8) form a plurality of scissors when rotating so as to cut off the grass plants to be cut.

2. A cutting blade holder according to claim 1, wherein: one end of the connecting shaft (3) is connected with the V-shaped belt wheel (4) at the outer side of the knife rest side plate (1); the V belt wheel (4) is used for sleeving a belt wheel connected with external driving equipment so as to realize the rotation of the connecting shaft (3).

3. A cutting blade holder according to claim 2, wherein: the other end of the connecting shaft (3) is sleeved with a knife rest rhombic seat (9) on the outer side of the knife rest side plate (1), and a knife rest side switching plate (10) is sleeved on the knife rest rhombic seat (9).

4. A cutting blade holder according to claim 3, wherein: the knife rest suspension rod (11) is arranged outside the two knife rest side plates (1), the knife rest suspension rod (11) is composed of a suspension rod and two connecting plates, a through hole is formed in the middle of the suspension rod and used for being connected with external equipment, the connecting plate at one end of the knife rest suspension rod (11) is connected with the knife rest side turning plate (10), and the connecting plate at the other end of the knife rest suspension rod is arranged outside the V-shaped belt wheel (4) and is fixedly connected with the connecting shaft (3).

5. A cutting blade holder according to claim 1, wherein: the tool rest side plate reinforcing structure is characterized in that a plurality of round holes different in size are formed in the tool rest side plate (1) and used for connecting other components, a buffer rod (19) is arranged at the bottom of the tool rest side plate (1), and a side plate connecting rod (12) is connected between the tool rest side plate (1) through the round holes and used for reinforcing the tool rest side plate (1).

6. A cutting blade holder according to claim 5, wherein: two knife rest curb plate (1) one end correspondence is provided with the fixed connection cover for fixed grass pressing cylinder installation piece (13), two be provided with grass pressing cylinder (14) between grass pressing cylinder installation piece (13), curb plate connecting rod (12) set up hobbing cutter (2) with between grass pressing cylinder (14).

7. A cutting blade holder according to claim 5, wherein: two the other end of knife rest side board (1) is provided with through the round hole correspondence locating piece (15) and cylinder trimmer (16) of knife rest side board (1) both sides, a plurality of locating holes have been seted up on cylinder trimmer (16), are used for adjusting cylinder trimmer (16) with the hookup location of locating piece (15), two be provided with comb grass cylinder (17) between cylinder trimmer (16).

8. A cutting blade holder according to claim 7, wherein: the bottom knife (8) is arranged between the hob (2) and the grass combing roller (17), and two ends of the bottom knife (8) are fixedly connected with the knife rest side plate (1) through two bottom knife mounting blocks (18); a cutter frame diamond-shaped seat (9) is arranged above the hob (2), and two ends of the cutter frame diamond-shaped seat (9) are respectively connected with the round holes in the two cutter frame side plates (1).

9. A cutting blade holder according to claim 1, wherein: a plurality of notches are uniformly formed in the fixed disc (22), and the spiral blades (21) with different quantities can be installed on the fixed disc (22) through the notches as required.

10. A cutting blade holder according to claim 1, wherein: rotatory blade disc (6) contain a plurality of blades, the blade edge the terminal surface with the edge of a knife terminal surface of helical blade (21) makes hobbing cutter (2) with rotatory blade disc (6) cooperation the grass height that end sword (8) cut out is unanimous.