Disclosure of Invention
An object of the utility model is to provide an assembled milling cutter convenient to maintain.
In order to achieve the above object, the utility model adopts the following technical scheme:
an assembled milling cutter comprises a cutter head, wherein a plurality of surface threaded holes are uniformly formed in two circular surfaces of the cutter head around an axis respectively, one circular surface of the cutter head is fixedly connected with a drill bit through a bolt, and the other circular surface of the cutter head is fixedly connected with a driving shaft through a bolt;
the mounting grooves are uniformly distributed on the peripheral surface of the cutter head, and a plurality of peripheral threaded holes are formed in the mounting grooves;
the milling element is provided with a positioning through hole corresponding to the peripheral threaded hole and is fixed in the mounting groove through a bolt penetrating through the positioning through hole and the peripheral threaded hole; one edge of the milling element extends out of the peripheral surface of the cutter disc to form a peripheral cutting part.
Preferably, the mounting groove is in a V shape, and the milling element is in a regular quadrangular prism structure; the two V side surfaces of the mounting groove are provided with peripheral threaded holes in a staggered mode, each two opposite side surfaces of the milling element are provided with a group of positioning through holes, and any group of positioning through holes are matched with all the peripheral threaded holes in the two V side surfaces of the mounting groove.
Preferably, the mounting groove extends vertically from one circular surface of the cutter disc to the other circular surface, and the end of the milling element extends out of the circular surface of the cutter disc to form a surface cutting part.
Preferably, the mounting groove vertically extends from one circular surface of the cutter head to the other circular surface; the peripheral threaded hole is formed in the side face, facing the rotation direction of the cutter disc, of the mounting groove, and the milling element is fixedly connected with the side face, provided with the peripheral threaded hole, of the mounting groove; and a gap for forming a waste material channel is reserved between the side surface of the mounting groove, which is not provided with the peripheral threaded hole, and the milling element.
Preferably, the milling elements are distributed in an up-and-down staggered manner in the upper half part and the lower half part of each mounting groove in sequence.
Preferably, the milling element is of a three-face corner code structure, a first face of the milling element is attached to the peripheral face of the cutter head, a second face of the milling element is attached to the corresponding circular face of the cutter head, and a third face of the milling element is attached to the side face of the mounting groove provided with the peripheral threaded hole; the edge between the first and third faces of the milling element forms a peripheral cut, and the edge between the second and third faces of the milling element forms a face cut.
Preferably, the drill bit is provided in a plurality of different diameters.
Preferably, the milling element is made of cemented carbide.
The beneficial effects of the utility model are concentrated and appear, the utility model discloses at global a plurality of mounting grooves that have evenly set up of blade disc, the milling element passes through the bolt fastening in the mounting groove, and the blade disc is paid global to a edge of milling element constitutes all cutting portions, and when the motor passed through the driving shaft and drives the blade disc and rotate, the all cutting portions of milling element can carry out milling process to the surface of spare part. The utility model discloses a milling element passes through bolt and blade disc rigid coupling, easy dismounting, and the maintenance of being convenient for takes place to damage or wearing and tearing when serious when milling the component, change corresponding milling element can, need not to change whole milling cutter, greatly reduced the processing cost, improved economic benefits. In addition, the round surface of blade disc has set up face screw hole, installs the drill bit at the round surface of blade disc through the bolt, can carry out drilling processing to spare part, and the drill bit passes through bolt and blade disc rigid coupling, and it is convenient to dismantle, is convenient for maintain the change. Just the utility model discloses can install or dismantle milling element and drill bit according to actual demand on the blade disc to the realization is compared milling or drilling processing to spare part, has higher flexibility ratio, and the suitability is wider with general milling cutter.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Embodiments of the present invention will be described in detail below with reference to fig. 1 to 4.
The embodiment of the utility model provides an assembled milling cutter, this assembled milling cutter includes:
the drilling machine comprises a cutter head 1, wherein a plurality of surface threaded holes are uniformly formed in two circular surfaces of the cutter head 1 around an axis respectively, one circular surface of the cutter head 1 is fixedly connected with a drill bit 2 through a bolt, and the other circular surface of the cutter head 1 is fixedly connected with a driving shaft 3 through a bolt; it will be appreciated that the drill bit 2 and the drive shaft 3 are each provided with engaging lugs corresponding to the face threaded bores.
Mounting groove 4, mounting groove 4 evenly distributed is global at blade disc 1, set up a plurality of circumference screw holes 5 in the mounting groove 4.
The milling element 6 is provided with a positioning through hole 7 corresponding to the peripheral threaded hole 5, and is fixed in the mounting groove 4 through bolts penetrating through the positioning through hole 7 and the peripheral threaded hole 5; it will be appreciated that the positioning through hole 7 is an insert through hole, the head of which is located in the milling element 6 after the bolt has been screwed in. One edge of the milling element 6 extends beyond the circumferential surface of the tool disk 1 to form a circumferential cutting section.
Set forth below the embodiment of the utility model discloses an embodiment, the utility model discloses evenly set up a plurality of mounting grooves 4 at cutterhead 1 global, mill component 6 and pass through the bolt fastening in mounting groove 4, mill component 6 edge and pay out global all cutting portions that constitute of cutterhead 1, when the motor passes through drive shaft 3 and drives cutterhead 1 and rotate, mill component 6 all cutting portions can carry out milling process to the surface of spare part. The utility model discloses a milling element 6 passes through bolt and 1 rigid coupling of blade disc, easy dismounting, and the maintenance of being convenient for takes place to damage or wearing and tearing when serious when milling element 6, changes corresponding milling element 6 can, need not to change whole milling cutter, greatly reduced the processing cost, improved economic benefits. In addition, the round surface of blade disc 1 has set up face screw hole, installs drill bit 2 at the round surface of blade disc 1 through the bolt, can carry out drilling processing to spare part, and drill bit 2 passes through bolt and blade disc 1 rigid coupling, and it is convenient to dismantle, is convenient for maintain the change. Just the utility model discloses can install or dismantle milling element 6 and drill bit 2 according to actual demand on blade disc 1 to the realization is compared with milling or drilling processing of usual milling cutter, has higher flexibility ratio, and the suitability is wider.
As a further optimization of the present invention, the mounting groove 4 is "V" shaped, and the milling element 6 is a regular quadrangular prism structure; the two V side surfaces of the mounting groove 4 are provided with peripheral threaded holes 5 in a staggered manner, each two opposite side surfaces of the milling element 6 are provided with a group of positioning through holes 7, and any group of positioning through holes 7 are simultaneously matched with all the peripheral threaded holes 5 on the two V side surfaces of the mounting groove 4. It should be understood that the arrangement of the mounting groove 4 in a "V" shape and the milling elements 6 in a quadrangular configuration is a first preferred embodiment of the present invention; correspondingly attaching one side surface of the milling element 6 to one V-side surface of the mounting groove 4, wherein part of the positioning through holes 7 on the side surface of the milling element 6 correspond to all the peripheral threaded holes 5 on the V-side surface of the mounting groove 4, rotating the milling element 6 by 90 degrees to enable the side surface of the milling element 6 to be correspondingly attached to the other V-side surface of the mounting groove 4, and the rest positioning holes on the side surface of the milling element 6 correspond to all the peripheral threaded holes 5 on the other V-side surface of the mounting groove 4. By rotating the milling element 6 and reinstalling the milling element 6, the edge of the milling element 6, which extends out of the peripheral surface of the cutter head 1, can be replaced, so that the side cutting part of the milling element 6 is changed, and thus, the milling element 6 can be more fully utilized, the utilization rate of the milling element 6 is improved, and the loss cost and the replacement cost of equipment components are reduced.
Furthermore, the mounting groove 4 extends vertically from one circular surface of the cutter head 1 to the other circular surface, and the end of the milling element 6 extends out of the circular surface of the cutter head 1 to form a surface cutting part. It should be understood that the portion of the end of the milling element 6 that extends beyond the circular face of the cutter head 1 is preferably no more than 0.5 mm. The end part of the milling element 6 forms a face cutting part, and the edge forms a peripheral cutting part, so that the peripheral surface and the round surface of the cutter head 1 can be milled, and grooving of parts or milling of corners of the parts are more convenient; in addition, the drill bit 2 can be detached from the cutter head 1 according to the actual situation.
Further, the mounting groove 4 vertically extends from one circular surface of the cutter head 1 to the other circular surface; the peripheral threaded hole 5 is formed in the side face, facing the rotating direction of the cutter head 1, of the mounting groove 4, and the milling element 6 is fixedly connected with the side face, provided with the peripheral threaded hole 5, of the mounting groove 4; a gap forming a waste material channel is reserved between the side surface of the mounting groove 4, which is not provided with the peripheral threaded hole 5, and the milling element 6. It should be understood that the mounting groove 4 extends through the upper and lower circular surfaces of the cutter head 1, and when the cutter head 1 rotates, the waste material channel is located in front of the milling element 6, so that the chips generated by milling can be discharged easily, the chips are prevented from being clamped between the milling element 6 and a part, the milling effect is better, and the milling element 6 can be protected.
Further, the milling elements 6 are distributed in an up-down staggered manner in the upper half and the lower half of the plurality of mounting grooves 4 in sequence. It should be understood that one milling element 6 is mounted in each mounting groove 4, the milling elements 6 are mounted in the upper half or the lower half of the mounting groove 4, and a plurality of milling elements 6 are mounted in a plurality of mounting grooves 4 in an up-down staggered manner; therefore, the thickness of the cutter head 1 can be increased, the milling width and area of the milling cutter in unit time can be increased, the processing efficiency can be improved, the strength of the milling element 6 can be ensured, and the milling element 6 is prevented from being deformed due to overlong.
Furthermore, the milling element 6 is of a three-face corner code structure, a first face of the milling element 6 is attached to the peripheral face of the cutter head 1, a second face of the milling element 6 is attached to the corresponding circular face of the cutter head 1, and a third face of the milling element 6 is attached to the side face of the mounting groove 4 provided with the peripheral threaded hole 5; the edge between the first and third faces of the milling element 6 forms a peripheral cut, and the edge between the second and third faces of the milling element 6 forms a face cut. It will be appreciated that the provision of the milling element 6 in a corner-to-corner configuration is a second preferred embodiment of the present invention, which allows to increase the strength of the milling element 6 and to reduce the material consumed for manufacturing the milling element 6. Positioning through holes 7 can be arranged on three surfaces of the milling element 6, and peripheral threaded holes 5 and surface threaded holes are correspondingly arranged on the cutter head 1.
Further, the drill 2 is provided with a plurality of kinds having different diameters. It should be understood that the drill bits 2 with different diameters have the same connecting lug, so that the drill bits 2 on the cutter head 1 can be replaced according to actual requirements, and blind holes or through holes with different diameters can be drilled on parts.
Further, the milling element 6 is made of cemented carbide. It should be understood that the milling element 6 may be made using tungsten-cobalt based cemented carbide, titanium-cobalt based cemented carbide or general purpose cemented carbide.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that changes and modifications may be made to these embodiments without departing from the principles and spirit of the invention, and these changes and modifications are intended to fall within the scope of the invention.