SU950526A1

SU950526A1 - Milling head

Info

Publication number: SU950526A1
Application number: SU802873096A
Authority: SU
Inventors: Николай Григорьевич Хвесюк
Original assignee: Производственное Объединение "Гомельдрев" Им.60-Летия Великого Октября
Priority date: 1980-01-24
Filing date: 1980-01-24
Publication date: 1982-08-15

Description

(5) ФРЕЗЕРНАЯ ГОЛОВКА(5) MILLING HEAD

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Изобретение относитс к фрезерным головкам дл обработки древесины и может быть использовано в лесной и деревообрабатывающей промышленности.The invention relates to milling heads for wood processing and can be used in the forestry and woodworking industry.

Известна фреза дл обработки, древесины , включающа корпус, ножи и пластинчатые упоры с механизмом настройки ножей Cl.A known milling cutter for processing wood, comprising a body, knives and plate supports with a knives adjustment mechanism Cl.

Недостаток данной фрезы заключаетс в ненадежном креплении ножей.The disadvantage of this cutter is that the knives are not securely attached.

Известна также фрезерна головка, включающа корпус с торцовыми пазами дл режущих ножей и имеющих клинь элементов их креплени и боковыми пазами дл подрезающих ножей и элементов их креплени 2J.A milling head is also known, comprising a housing with end grooves for cutting knives and wedge elements of their fastening and side grooves for undercutting knives and elements of their fastening 2J.

Недостаток данной фрезерной головки заключаетс в низком качестве обрабатываемой поверхности.The disadvantage of this milling head is the poor quality of the surface to be treated.

Цель изобретени - повышение качества обрабатываемой поверхности.The purpose of the invention is to improve the quality of the treated surface.

Цель достигаетс тем, что каждый элемент креплени подрезающего ножаThe goal is achieved by the fact that each fastening element of the trimming knife

имеет клин и винт с кольцевыми про-, точками дл взаимодействи с заплечиками подрезающих ножей, лезвие которых расположено под углом к касательной поверхности вращени , равным 10-5. причем угол заточки каждого ножа равен 20-60®, а задний угол 315 , при этом элементы креплени режущих ножей имеют наклонную к оси щени фрезерной головки стружкоотвод щую канавку.has a wedge and a screw with annular pro-points for engagement with shoulders of undercutting knives, the blade of which is located at an angle to the tangential surface of rotation equal to 10-5. The angle of sharpening of each knife is 20-60®, and the back angle is 315, while the fastening elements of the cutting knives have a chip groove inclined towards the axis of the blade of the milling head.

Кроме того, каждый нож имеет гребень , а его клин имеет выточки дл этого гребн .In addition, each knife has a comb, and its wedge has grooves for this comb.

На фиг. 1 изображена фрезерна головка , общий вид(в план на фиг. 2 сечение А-А на фиг. 1 (повернуто); на фиг. 3 - разрез Б-Б на фиг. 1 (повернуто ) ; на фиг. k - сечение В-В наFIG. 1 shows a milling head, a general view (in the plan in Fig. 2, section A-A in Fig. 1 (rotated); in Fig. 3 - section B-B in Fig. 1 (rotated); in Fig. K - section B -In on

20 фиг. 2 (повернуто); на фиг. 5 - узел 1 на фиг. 2 (повернуто).20 of FIG. 2 (turned); in fig. 5 — node 1 in FIG. 2 (turned).

Claims

The milling head contains a housing 1, in the sidepars of which the undercutting knives 2 are installed, and in the end grooves there are cutting knives 3, fixed respectively with wedges and using screws 6 and 7, lockable with locknuts 8 or pairwise rigid. E. Klin 5 have a chip discharge groove 10 inclined to the axis of rotation and turning into a tapered part 11, repeating profile, knife 2, Undercutting 2 and cutting 3 knives have, on the side opposite to the blade, shoulders 12 entering the annular grooves 13 of screws 14 moving knives with ridges 15 to ytochkam wedges 16 i and 5. The knives 2 and 3 have a sharpening angle J 20-60, rear corner ci 3-15 °, and their blades are at an angle Y 10-55 to the tangent of the surface of rotation. Milling head works as follows. When the head is rotated into the material, the knives 2 are cut into and the part of the surface of the material being processed is cut, with its front face deviating the layer being cut from the treated surface. From the front edge of the knives 2, the clipped layer of material slides along the tapered portion 11 of the wedges 5, while hitting the blades of the knives 3, which are turned into part 2 of the material into chips, which are removed along the chip inclined towards the center. exhaust side 10 wedges 5 from the surface to be treated and then to exhaust ventilation. To adjust the knives, loosen the screws 6 and 7, releasing them, respectively, from the lock nuts 8 and the rigid connection 9, after which, turning the SCREW 1, move the knives 2 and 3 to the desired position along the undercuts of the 16 wedges and 5. After installing the knives 2 and 3 in a predetermined position, it is necessary to tighten the screws 6 and 7 and fix them, respectively, with the lock nuts 8, with a rigid connection 9. The knives are set up. Claim 1. Milling head comprising a housing with end grooves for cutting knives and wedge elements of their fastening and side grooves for undercutting knives and elements of their fastening, characterized in that, in order to improve the quality of the worked surface, each fastening element of the clipping knife has a wedge and a screw with annular grooves for interacting with shoulders of undercutting knives, the blade of which is at an angle to the tangential surface of rotation equal to 1055, and the angle of sharpening of each knife is 20-60 ene and-rear corner 3-1, wherein the attachment elements have cutting blades inclined to the axis of rotation of the milling head chip evacuation conductive groove.

2. The head according to claim 1, wherein each knife has a ridge, and its wedge has recesses for this ridge. Sources of information taken into account during the examination 1. USSR author's certificate No. 622670, cl. B 27 G 13/0, 19772. Tools for woodworking. Catalog, Firm Zeitz, West Germany, p. 78 1976 (prototype).

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