CN214459463U

CN214459463U - Wear-resistant cutter for pavement milling machine

Info

Publication number: CN214459463U
Application number: CN202120119702.7U
Authority: CN
Inventors: 杨一帆; 杨洪文
Original assignee: Shandong Yibang Engineering Equipment Co ltd
Current assignee: Shandong Yibang Engineering Equipment Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-10-22
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a road surface milling machine wear-resisting tool, including tool bit and cutter body, the bottom fixedly connected with locating hole of tool bit, the sword groove has been seted up to the upper end of cutter body, the interior diapire fixedly connected with locating lever in sword groove, the inside wall of cutter body is provided with mounting structure, threaded hole is seted up to one side of locating lever and locating hole, the locating lever passes through bolt threaded connection with the locating hole, the upper end fixed connection abrasionproof pad of cutter body, the lower fixed surface of cutter body is connected with the cutter body rear portion. This wear-resisting cutter for road surface milling machine has carried out the first layer protection to the cutter body through the abrasionproof pad is effectual, has increased the wearability of cutter body, has increased the protectiveness of cutter, avoids wearing and tearing seriously, reduces life, adopts metal matrix ceramic composite through the cutter body moreover, and its hardness can reach 70HRC, compares with the steel body that hardness is 50HRC, and the wearability is high, makes the life of cutter body obtain improving.

Description

Wear-resistant cutter for pavement milling machine

Technical Field

The utility model relates to a milling machine cutter technical field specifically is a wear-resisting cutter is used to road surface milling machine.

Background

Cutters are commonly used on the cutting rolls of ground maintenance machines, such as road milling machines, road recyclers or similar machines; the tool point of the tool is a direct working part and is in direct contact with road materials to be cut, so the tool structure has profound influence on the cutting effect of the tool, advanced pavement maintenance technology is continuously adopted along with the increase of pavement maintenance amount and the improvement of the requirement on maintenance construction speed, the asphalt concrete pavement milling machine has the remarkable characteristics of high quality and high efficiency of pavement maintenance operation, and compared with the prior machine tool equipment or manual similar operation, the equipment has the remarkable characteristics of short construction period, high operation efficiency, good engineering quality, flexible and convenient construction operation, reduction of labor intensity of constructors and the like.

However, the existing milling machine cutter generates severe friction with the ground and waste materials when in use, is rapidly worn, is not wear-resistant, has low strength, reduces the service life, consumes materials, is fixed between the cutter and the cutter head, increases the use cost if the cutter head is damaged and needs to be replaced, and therefore, the wear-resistant cutter for the road milling machine is needed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a wear-resisting cutter is used to road surface milling machine has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a wear-resisting cutter for road surface milling machine, includes tool bit and cutter body, the bottom fixedly connected with locating hole of tool bit, the sword groove has been seted up to the upper end of cutter body, the interior diapire fixedly connected with locating lever in sword groove, the inside wall of cutter body is provided with mounting structure, threaded hole is seted up with one side of locating hole to the locating lever, the locating lever passes through bolt threaded connection with the locating hole, the upper end fixed connection abrasionproof pad of cutter body, the lower fixed surface of cutter body is connected with the cutter body rear portion.

Optionally, the lower surface of the rear portion of the cutter body is fixedly connected with a connecting shaft section, and the lower surface of the connecting shaft section is fixedly connected with a positioning shaft section.

Optionally, the lower surface of the positioning shaft section is fixedly connected with a handle part, the surface of the handle part is provided with a sliding groove, and the outer surface of the handle part is provided with a gasket.

Optionally, the material of tool bit is WC, the material of cutter body is alloy steel wear-resisting material, the material of gasket is high-speed steel.

Optionally, a clamping groove is formed in one side of the cutter body, the mounting structure comprises a spring, a pull rod, a clamping block, a connecting rod, a limiting block, a sliding groove and a movable plate, the surface of the connecting rod is fixedly connected with the spring, and the inner wall of the movable plate is provided with the sliding groove.

Optionally, the inner wall of the movable plate is slidably connected with a connecting rod, one side of the connecting rod is fixedly connected with the limiting block, one side of the movable plate is fixedly connected with a pull rod, one side of the pull rod is fixedly connected with a clamping block, and the clamping block is matched with the clamping groove.

(III) advantageous effects

The utility model provides a wear-resisting cutter is used to road surface milling machine possesses following beneficial effect:

1. this wear-resisting cutter for road surface milling machine, through the setting of cutter body and abrasionproof pad, through the effectual first layer protection of carrying out to the cutter body of abrasionproof pad, the wearability of cutter body has been increased, the protectiveness of cutter has been increased, avoid wearing and tearing seriously, reduce life, and adopt metal matrix ceramic composite through the cutter body, its hardness can reach 70HRC, compare with the steel body that hardness is 50HRC, the wearability is high, can carry out two layers of protection, make the life of cutter body obtain the improvement.

2. This wear-resisting cutter for road surface milling machine through mounting structure's setting, if the drill bit is bad to fall and need to change whole cutter, increases use cost, and the staff unscrews the bolt earlier, then takes out in the draw-in groove through the fixture block in the mounting structure again, is convenient for take out the tool bit, changes the tool bit, has avoided the tool bit bad to fall and leads to changing whole cutter, and the saving rate cost, the suitability is strong, convenient to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the inside of the cutter body of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention.

In the figure: 1. a cutter head; 2. a cutter body; 3. positioning holes; 4. a cutter groove; 5. positioning a rod; 6. a mounting structure; 601. a spring; 602. a pull rod; 603. a clamping block; 604. a connecting rod; 605. a limiting block; 606. a sliding groove; 607. a movable plate; 7. a threaded hole; 8. a bolt; 9. an anti-wear pad; 10. the rear part of the cutter body; 11. connecting the shaft sections; 12. positioning the shaft section; 13. a handle; 14. a chute; 15. a gasket; 16. a clamping groove.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a wear-resistant cutter for a pavement milling machine comprises a cutter head 1 and a cutter body 2, wherein the cutter head 1 is made of WC (wolfram carbide), the cutter body 2 is made of a metal-based ceramic composite material, a gasket 15 is made of high-speed steel, one side of the cutter body 2 is provided with a clamping groove 16, a mounting structure 6 comprises a spring 601, a pull rod 602, a clamping block 603, a connecting rod 604, a limiting block 605, a sliding groove 606 and a movable plate 607, the surface of the connecting rod 604 is fixedly connected with the spring 601, the inner wall of the movable plate 607 is provided with the sliding groove 606, the inner wall of the movable plate 607 is slidably connected with the connecting rod 604, one side of the connecting rod 604 is fixedly connected with the limiting block 605, one side of the movable plate 607 is fixedly connected with the pull rod 602, one side of the pull rod 602 is fixedly connected with the clamping block 603, the clamping block 603 is matched with the clamping groove 16, the cutter head 1 can be conveniently taken out through the arrangement of the mounting structure 6 for replacing the cutter head 1, and the whole cutter needs to be replaced due to the damage of the cutter head 1, the cutter is characterized in that the cost is saved, the applicability is strong, the use is convenient, the bottom of the cutter head 1 is fixedly connected with a positioning hole 3, the upper end of the cutter body 2 is provided with a cutter groove 4, the inner bottom wall of the cutter groove 4 is fixedly connected with a positioning rod 5, the cutter head 1 and the cutter body 2 are conveniently connected together through the arrangement of the positioning hole 3 and the positioning rod 5, the inner side wall of the cutter body 2 is provided with a mounting structure 6, one side of the positioning rod 5 and the positioning hole 3 is provided with a threaded hole 7, the positioning rod 5 and the positioning hole 3 are in threaded connection through a bolt 8, the upper end of the cutter body 2 is fixedly connected with an anti-wear pad 9, the cutter body 2 is effectively protected by a first layer through the arrangement of the anti-wear pad 9, the wear resistance of the cutter body 2 is increased, the protection performance of the cutter is increased, the wear is avoided to be serious, the service life is shortened, the lower surface of the cutter body 2 is fixedly connected with a rear portion 10, and the lower surface of the cutter body 10 at the rear portion is fixedly connected with a connecting shaft section 11, the lower fixed surface of connecting shaft section 11 is connected with location shaft section 12, and the lower fixed surface of location shaft section 12 is connected with stalk portion 13, and the spout 14 has been seted up on stalk portion 13 surface, and the surface of stalk portion 13 is provided with gasket 15.

In conclusion, this wear-resisting cutter for road milling machine, when using, through the setting of abrasionproof pad 9, effectual first layer protection has been carried out to cutter body 2, the wearability of cutter body 2 has been increased, the protectiveness of cutter has been increased, avoid wearing and tearing seriously, reduce life, and adopt metal matrix ceramic composite through cutter body 2, its hardness can reach 70HRC, compare with the steel body that hardness is 50HRC, the wearability is high, can carry out two layers of protection, make the life of cutter body 2 obtain improving, the setting of staff's earlier unscrewing bolt 8 through mounting structure 6, be convenient for take out cutter head 1, change cutter head 1, avoided cutter head 1 to fall and lead to the fact to change whole cutter, the cost-saving rate cost, the suitability is strong, convenient to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a wear-resisting cutter for road surface milling machine, includes tool bit (1) and cutter body (2), its characterized in that: the bottom fixedly connected with locating hole (3) of tool bit (1), sword groove (4) have been seted up to the upper end of cutter body (2), interior diapire fixedly connected with locating lever (5) of sword groove (4), the inside wall of cutter body (2) is provided with mounting structure (6), threaded hole (7) have been seted up to locating lever (5) and one side of locating hole (3), bolt (8) threaded connection is passed through with locating hole (3) in locating lever (5), the upper end fixed connection abrasionproof pad (9) of cutter body (2), the lower fixed surface of cutter body (2) is connected with cutter body rear portion (10).

2. The wear-resistant cutter for a road milling machine according to claim 1, wherein: the lower surface of the cutter body rear portion (10) is fixedly connected with a connecting shaft section (11), and the lower surface of the connecting shaft section (11) is fixedly connected with a positioning shaft section (12).

3. The wear-resistant cutter for a road milling machine according to claim 2, wherein: the lower surface of the positioning shaft section (12) is fixedly connected with a handle part (13), the surface of the handle part (13) is provided with a sliding groove (14), and the outer surface of the handle part (13) is provided with a gasket (15).

4. The wear-resistant cutter for a road milling machine according to claim 3, wherein: the material of tool bit (1) is WC, the material of cutter body (2) is metal matrix ceramic composite, the material of gasket (15) is high-speed steel.

5. The wear-resistant cutter for a road milling machine according to claim 1, wherein: one side of the cutter body (2) is provided with a clamping groove (16), the mounting structure (6) comprises a spring (601), a pull rod (602), a clamping block (603), a connecting rod (604), a limiting block (605), a sliding groove (606) and a movable plate (607), the surface of the connecting rod (604) is fixedly connected with the spring (601), and the inner wall of the movable plate (607) is provided with the sliding groove (606).

6. The wear-resistant cutter for the road milling machine as claimed in claim 5, wherein: the inner wall of the movable plate (607) is connected with a connecting rod (604) in a sliding mode, one side of the connecting rod (604) is fixedly connected with the limiting block (605), one side of the movable plate (607) is fixedly connected with the pull rod (602), one side of the pull rod (602) is fixedly connected with the clamping block (603), and the clamping block (603) is matched with the clamping groove (16).