CN215786988U - A cup-head meson knife - Google Patents
A cup-head meson knife Download PDFInfo
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- CN215786988U CN215786988U CN202121419869.1U CN202121419869U CN215786988U CN 215786988 U CN215786988 U CN 215786988U CN 202121419869 U CN202121419869 U CN 202121419869U CN 215786988 U CN215786988 U CN 215786988U
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Abstract
本实用新型涉及金属切削加工领域，具体是涉及一种杯头介子刀。包括，刀杆，刀杆包括主体和若干安装平台，安装平台开凿在主体的输出端；主体由第一杆和第二杆组成，第二杆的直径小于第一杆的直径；所述杯头介子刀还包括，第一刀片，第一刀片安装在安装平台上，第一刀片的刀刃设置在第一杆和第二杆连接处形成的梯形台上，第一刀片倾斜设置；第三刀片，第三刀片安装在安装平台上，第三刀片的刀刃在第二杆远离第一杆一端的外侧。本实用新型通过第三刀片倒出模胚工件通孔的沉头，第一刀片倒出沉头的倒角，使得模胚工件杯头介子的加工中，铣沉头与倒沉头倒角步骤简化为一个步骤，具有不需要换刀及重新编制刀路，生产效率高的优点。
The utility model relates to the field of metal cutting, in particular to a cup-head meson cutter. Including a cutter bar, the cutter bar includes a main body and several installation platforms, and the installation platform is excavated at the output end of the main body; the main body is composed of a first rod and a second rod, and the diameter of the second rod is smaller than that of the first rod; the cup head The muon knife also includes a first blade, the first blade is installed on the installation platform, the blade of the first blade is arranged on the trapezoidal platform formed by the connection of the first rod and the second rod, the first blade is inclined and the third blade is arranged, The third blade is mounted on the mounting platform, and the cutting edge of the third blade is outside the end of the second rod away from the first rod. In the utility model, the third blade pours out the countersunk head of the through hole of the mold base workpiece, and the first blade pours out the chamfer of the countersunk head, so that in the machining of the cup head meson of the mold base workpiece, the steps of milling the countersunk head and the countersunk head chamfering are performed. Simplified into one step, it has the advantages of no need for tool change and re-programming of the tool path, and high production efficiency.
Description
Technical Field
The utility model relates to the field of metal cutting processing, in particular to a cup head meson knife.
Background
The machining of the M16 cup head meson on the die blank workpiece generally comprises three steps, namely firstly routing a countersunk head by using an end milling cutter, then chamfering the countersunk head by using a chamfering tool, and then chamfering the through hole of the cup head again. Through the three steps, the countersunk head is milled in sequence, the countersunk head chamfer is poured out, and then the hole chamfer is poured out.
However, the steps are complicated, more manpower and material resources are consumed for tool changing processing in a tool making path and a workshop when the steps are replaced, the hole is not machined by a proper tool, the whole circle of the hole needs to be machined by an end mill, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, a cup head meson knife is provided.
In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:
a cup head meson knife comprises,
the cutter bar comprises a main body and a plurality of mounting platforms, the mounting platforms are drilled at the output end of the main body, and the mounting platforms are parallel to the axis of the main body;
the main body consists of a first rod and a second rod, the first rod and the second rod are round rods, the diameter of the second rod is smaller than that of the first rod, the second rod is connected with the first rod in a collinear way, and the second rod is arranged at the output end of the cutter bar;
the cup head meson knife also comprises a knife body,
the first blade is arranged on the mounting platform, the cutting edge of the first blade is arranged on a trapezoidal table formed at the joint of the first rod and the second rod, the cutting edge part of the first blade is inclined from bottom to top and faces the outer side of the cutter bar, the lower end of the cutting edge of the first blade is arranged on the mounting platform, and the upper end of the cutting edge of the first blade is arranged on the outer side of the second rod;
the third blade is installed on the installation platform, the cutting edge part of the third blade is perpendicular to the axis of the cutter bar, the cutting edge of the third blade is arranged on the outer side of one end, far away from the first rod, of the second rod, and one end, far away from the axis of the cutter bar, of the cutting edge of the third blade is arranged on the outer side of the extending track of the second rod.
Preferably, the trapezoidal bench that main part and mounting platform junction formed is provided with the connection hypotenuse, and the connection hypotenuse is the chamfer that passes through to the mounting platform outside limit from the bottom of main part, and the face of opening a hole of mounting platform is through connecting the hypotenuse, and when the cutter arbor was rotatory, the rotation orbit of connecting the hypotenuse was inboard at the rotation orbit of first blade cutting edge, and the rotation orbit of connecting the hypotenuse intersects with the rotation orbit of first blade.
Preferably, the cup-head mesoknife further comprises a second blade, the second blade is mounted on a mounting platform without a third blade, a cutting edge of the second blade extends out of the bottom surface of 1a2, the distance from the cutting edge of the second blade to the axis of the knife bar is smaller than the distance from the cutting edge of the first blade to the axis of the knife bar, and the cutting edge of the second blade is inclined from bottom to top towards the outer side of the knife bar;
when the cutter bar rotates, the rotating track of the cutting edge of the second blade is crossed with the rotating track of the cutting edge of the third blade.
Preferably, a boss is arranged on the end face of one end, far away from the first rod, of the second rod, the boss is in a circular truncated cone shape, a table shaft of the boss is collinear with an axis of the cutter bar, an excavating face of the mounting platform passes through the boss, when the cutter bar rotates, a rotating track of the boss is located on the inner side of a rotating track of a cutting edge of the second blade, and the rotating track of the boss is intersected with a track of the second blade.
Preferably, the mounting platform is provided with a plurality of clamping grooves at the positions where the blades are mounted, the shapes of the clamping grooves are matched with the shapes of the mounted blades, and the blades are clamped in the clamping grooves.
Preferably, a protection hole is formed at the joint of the edges of the clamping groove, and the protection hole surrounds the corner of the blade when the blade is installed.
Preferably, a connecting hole is formed in the center of the clamping groove and is perpendicular to the mounting platform, a through hole is formed in the blade, and after the blade is mounted on the clamping groove, the through hole of the blade is collinear with the axis of the connecting hole.
Preferably, cup head meson sword still includes the second blade, and the second blade is installed on mounting platform, and the bottom surface of second pole is stretched out to the cutting edge of second blade, and the cutting edge of second blade is less than the cutting edge of first blade apart from the distance of cutter arbor axis, and the cutting edge from the bottom up slope of second blade sets up towards the outside of cutter arbor.
Preferably, the cup head meson sword still includes the second blade, and the second blade is installed on the mounting platform of not installing the third blade, and the cutting edge from the bottom up slope of second blade sets up towards the outside of cutter arbor, and when the cutter arbor was rotatory, the rotation track of the cutting edge of second blade was crossing with the rotation track of the cutting edge of third blade.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the countersunk head of the through hole of the die blank workpiece is poured out by the third blade, the chamfer of the countersunk head is poured out by the first blade, and the third blade and the first blade are connected on the same cutter bar, so that the steps of milling the countersunk head and chamfering the countersunk head in the processing of the cup head meson of the die blank workpiece are simplified into one step, and the die blank workpiece chamfering tool has the advantages of no need of changing a tool and reorganizing a tool path, and high production efficiency
2. According to the utility model, the second blade is connected to the cutter bar, and the second blade pours out the hole countersunk head while the third blade pours out the countersunk head, so that the step of pouring out the hole countersunk head is combined with other steps, and the production efficiency is improved.
3. According to the utility model, through the arrangement of the connection bevel edge and the boss, the first blade and the second blade which are partially suspended are respectively abutted against the installation platform which is connected with the bevel edge and the boss, so that the first blade and the second blade are stable enough and cannot be broken or burst out of the installation platform during rotation.
4. According to the utility model, the blade is clamped in the clamping groove through the arrangement of the clamping groove, so that the blade can be stabilized, and the arrangement of the protection hole can protect the water caltrops of the blade on one hand and facilitate the processing of the clamping groove on the other hand.
5. According to the utility model, the connecting hole is formed in the clamping groove, so that the blade is convenient to fix and install.
Drawings
FIG. 1 is a schematic diagram of the operation of the present invention;
FIG. 2 is a front view of the tool holder of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a rear view of the present invention;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
FIG. 7 is an oblique view of the first embodiment of the present invention;
FIG. 8 is a second perspective view of the present invention;
FIG. 9 is a first perspective view of the present invention;
FIG. 10 is a second perspective view of the present invention;
the reference numbers in the figures are:
1-a cutter bar; 1 a-a body; 1a1 — first bar; 1a 2-second bar; 1a 3-connecting hypotenuses; 1a 4-boss; 1 b-mounting a platform; 1b 1-card slot; 1b 2-guard well; 1b 3-connection hole; 2-a first blade;
3-a second blade;
4-third blade.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments thereof will be described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
In order to solve the technical problem of milling a countersunk head for a hole of a die blank at one time and pouring out a chamfered chamfer of the countersunk head, as shown in figures 1, 2, 4 and 8, the following technical scheme is provided:
a cup head meson knife comprises,
the tool bar 1 is characterized in that the tool bar 1 comprises a main body 1a and a plurality of mounting platforms 1b, the mounting platforms 1b are arranged at the output end of the main body 1a, and the mounting platforms 1b are parallel to the axis of the main body 1 a;
the main body 1a is composed of a first rod 1a1 and a second rod 1a2, the first rod 1a1 and the second rod 1a2 are round rods, the diameter of the second rod 1a2 is smaller than that of the first rod 1a1, the second rod 1a2 is connected with the axis of the first rod 1a1 in a collinear way, and the second rod 1a2 is arranged at the output end of the cutter bar 1;
the cup head meson knife also comprises a knife body,
the first blade 2 is installed on the installation platform 1b, the blade of the first blade 2 is arranged on a trapezoidal table formed at the joint of the first rod 1a1 and the second rod 1a2, the blade of the first blade 2 is obliquely arranged from bottom to top towards the outer side of the cutter bar 1, the lower end of the blade of the first blade 2 is arranged on the installation platform 1b, and the upper end of the blade of the first blade 2 is arranged on the outer side of the second rod 1a 2;
and the third blade 4, the third blade 4 is installed on the installation platform 1b, the cutting edge part of the third blade 4 is perpendicular to the axis of the cutter bar 1, the cutting edge of the third blade 4 is arranged outside the end, away from the axis of the cutter bar 1, of the second rod 1a2, of the first rod 1a1, and the end, away from the axis of the cutter bar 1, of the cutting edge of the third blade 4 is arranged outside the extending track of the second rod 1a 2.
Specifically, the cutting edge of the third blade 4 is far away from one end of the axis of the cutter bar 1, and the distance from the cutting edge of the third blade to the axis of the cutter bar 1 is smaller than the distance from one end of the cutting edge of the first blade 2 far away from the axis of the cutter bar 1 to the axis of the cutter bar 1, so that the countersunk head chamfer can be poured out of the first blade 2. The blade is a diamond-shaped blade which is generally used in the market, and different diamond-shaped blades can play a role in milling, cutting and the like. The edge of the first blade 2 is arranged at an inclination of forty-five degrees.
When the cutter is used for processing the cup head meson on the die blank workpiece, the through hole of the die blank workpiece needs to be processed preferentially, and then the cutter is connected to a numerical control machine tool. And aligning the cutter to the through hole of the die blank workpiece for processing. The cutter bar 1 rotates to drive the third blade 4 to rotate, a countersunk head is milled at the upper side of the through hole, and when the countersunk head is milled quickly, the third blade 4 reaches the top end of the countersunk head.
As the tool bar 1 is fed, the third blade 4 rotationally cuts the top end of the countersunk head until the countersunk chamfer is completely poured out. And (3) continuing milling the first blade 2, finishing milling the countersunk head, and finishing milling the countersunk head and chamfering the inverted countersunk head at the same time. The first blade 2 and the third blade 4 are arranged, so that a countersunk head can be milled at one time, and a countersunk chamfer can be poured out.
Since the mounting platform 1b is cut out of the main body 1a, a gap is cut out of the mounting platform 1b in the main body 1a, and chips generated during milling and chamfering are leaked out of the gap.
Further:
in order to solve the technical problem that when the first blade 2 rotates along with the cutter bar 1, the blade edge and the blade part of the first blade 2 are suspended, the blade of the first blade 2 is stressed and lacks support, and the first blade 2 is easily damaged, as shown in fig. 6 and 8, the following technical scheme is provided:
the trapezoidal platform formed at the joint of the main body 1a and the mounting platform 1b is provided with a connecting inclined edge 1a3, the connecting inclined edge 1a3 is a chamfer which is transited from the bottom end of the main body 1a to the outer side edge of the mounting platform 1b, the cutting surface of the mounting platform 1b passes through the connecting inclined edge 1a3, when the cutter bar 1 rotates, the rotating track of the connecting inclined edge 1a3 is inside the rotating track of the cutting edge of the first blade 2, and the rotating track of the connecting inclined edge 1a3 is intersected with the rotating track of the first blade 2.
Specifically, the cutting surface of the mounting platform 1b passes through the oblique connecting edge 1a3, and the mounting platform 1b at the portion connecting the oblique edge 1a3 abuts against the portion extending obliquely outward of the first blade 2. When the first blade 2 is fed in a rotating mode, the mounting platform 1b connected with the inclined edge 1a3 abuts against the part of the first blade 2 extending outwards in an inclined mode, so that the first blade 2 is supported sufficiently, the overall stress of the first blade 2 is balanced, the first blade 2 cannot be broken or broken from the mounting platform 1b due to large shearing force, and the first blade 2 is protected.
Further:
in order to solve the technical problem of chamfering the via hole while completing the above work, as shown in fig. 2 and 6, the following technical solutions are provided:
the cup-head meson knife further comprises a second blade 3, the second blade 3 is installed on an installation platform 1b without a third blade 4, the cutting edge of the second blade 3 extends out of the bottom surface of the cutter bar 1a2, the distance from the cutting edge of the second blade 3 to the axis of the cutter bar 1 is smaller than the distance from the cutting edge of the first blade 2 to the axis of the cutter bar 1, and the cutting edge of the second blade 3 is inclined towards the outer side of the cutter bar 1 from bottom to top;
when the tool holder 1 rotates, the rotational locus of the cutting edge of the second blade 3 intersects with the rotational locus of the cutting edge of the third blade 4.
Specifically, the second blade 3 plays a technical role of chamfering a via chamfer, which is a chamfer of a connecting portion of a countersunk head and a through hole, when the tool is rotationally fed. The radius of the circle intersecting the rotation locus of the cutting edge of the second blade 3 and the rotation locus of the cutting edge of the third blade 4 is larger than the radius of the through hole of the die blank. The second blade 3 will therefore be chamfered before the third blade 4 is countersunk when the tool is fed.
Then, when the third blade 4 pours out the countersunk head, the second blade 3 continuously pours out the via hole chamfer first, where the countersunk head poured out by the third blade 4 goes, and where the via hole chamfer of the second blade 3 also goes.
Further:
in order to solve the technical problem that when the second blade 3 rotates along with the cutter bar 1, the cutting edge and the blade part of the second blade 3 are suspended, the blade of the second blade 3 is stressed and lacks support, and the second blade 3 is easily damaged, as shown in fig. 2, 6 and 9, the following technical scheme is provided:
the end face of one end of the second rod 1a2, which is far away from the first rod 1a1, is provided with a boss 1a4, the boss 1a4 is in a circular truncated cone shape, the table axis of the boss 1a4 is collinear with the axis of the cutter bar 1, the cutting surface of the mounting platform 1b passes through the boss 1a4, when the cutter bar 1 rotates, the rotating track of the boss 1a4 is inside the rotating track of the cutting edge of the second blade 3, and the rotating track of the boss 1a4 intersects with the track of the blade of the second blade 3.
Specifically, the cutting surface of the mounting platform 1b passes through the boss 1a4, and the mounting platform 1b at the boss 1a4 abuts against the portion of the second blade 3 extending downward. When the second blade 3 is fed in a rotating manner, the mounting platform 1b of the boss 1a4 supports against the part of the second blade 3 extending downwards, so that the second blade 3 is supported sufficiently, the whole stress of the second blade 3 is balanced, the second blade 3 cannot be broken or broken from the mounting platform 1b due to a large shearing force, and the second blade 3 is protected.
Further:
in order to solve the technical problem of how to mount the blade on the mounting platform 1b and where to mount the blade on the mounting platform 1b, as shown in fig. 1, 7 and 8, the following technical solutions are provided:
the mounting platform 1b is provided with a plurality of clamping grooves 1b1 at the position where the blade is mounted, the shape of the clamping groove 1b1 is matched with the shape of the mounted blade, and the blade is clamped in the clamping groove 1b 1.
Specifically, the slot 1b1 is a diamond-shaped slot matching with the blade shape, and the blade is clamped into the slot 1b1 to play a role of fixing the blade.
Further:
in order to solve the technical problem that when the blade is clamped on the clamping groove 1b1, the corners of the rhombic blade cannot be clamped into the clamping groove 1b1 due to the machining precision and the working abrasion of the clamping groove 1b1, or the edges and corners of the blade are easily abraded during working, as shown in fig. 1, 7 and 8, the following technical scheme is provided:
the joint of the edges of the clamping groove 1b1 is provided with a protection hole 1b2, and when the blade is installed, the protection hole 1b2 surrounds the corner of the blade.
Specifically, if the shape of the clamping groove 1b1 is completely matched with the blade, the diamond corners of the blade are easily worn in normal use, the completely matched shape is not easy to process at the diamond corners, and the processed blade is easily prevented from being clamped into the clamping groove 1b1 due to error. The protection holes 1b2 are formed, so that the water caltrops of the blades are not in contact with the clamping grooves 1b1, the water caltrops of the blades are protected, the water caltrops are easy to process, the edges of the clamping grooves 1b1 are processed during processing, and the protection holes 1b2 are directly punched.
Further:
in order to solve the technical problem of how to fix the blade after the blade is mounted on the card slot 1b1, as shown in fig. 1, 7 and 8, the following technical solutions are provided:
the center of the clamping groove 1b1 is provided with a connecting hole 1b3, the connecting hole 1b3 is perpendicular to the mounting platform 1b, a through hole is formed in the blade, and after the blade is mounted on the clamping groove 1b1, the through hole of the blade is collinear with the axis of the connecting hole 1b 3.
Specifically, all diamond-shaped blades commonly used in the market have through holes for fixedly mounting the blades, and screws can be clamped into the through holes of the blades and the connecting holes 1b3 by arranging the corresponding connecting holes 1b3 in the clamping grooves 1b1, so that the blades can be mounted.
According to the utility model, the first blade 2, the second blade 3 and the third blade 4 are all arranged on one cutter bar 1, the third blade 4 mills a countersunk head of a through hole of a die blank workpiece, simultaneously, the second blade 3 pours out a chamfer of the through hole, and the first blade 2 pours out a chamfer of the countersunk head. In the processing of the cup head meson of the die blank workpiece, the three steps of milling the countersunk head, chamfering the inverted countersunk head and chamfering the inverted through hole are simplified into one step, the tool changing and the tool path reorganizing are not needed, and the die blank workpiece processing device has the advantage of high production efficiency.
Through the arrangement of the connecting inclined edge 1a3 and the boss 1a4, the parts of the first blade 2 and the second blade 3 which are supposed to be suspended are respectively pressed against the mounting platform 1b of the connecting inclined edge 1a3 and the boss 1a4, so that the first blade 2 and the second blade 3 are stable enough and cannot be broken or burst out of the mounting platform 1b during rotation. The blade is clamped in the clamping groove 1b1, the blade can be stabilized, the diamond corners of the blade can be protected due to the arrangement of the protection holes 1b2, and the clamping groove 1b1 is convenient to machine. The clamping groove 1b1 is provided with a connecting hole 1b3, so that the blade is convenient to fix and install.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419869.1U CN215786988U (en) | 2021-06-24 | 2021-06-24 | A cup-head meson knife |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121419869.1U CN215786988U (en) | 2021-06-24 | 2021-06-24 | A cup-head meson knife |
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| CN215786988U true CN215786988U (en) | 2022-02-11 |
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| CN202121419869.1U Active CN215786988U (en) | 2021-06-24 | 2021-06-24 | A cup-head meson knife |
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2021
- 2021-06-24 CN CN202121419869.1U patent/CN215786988U/en active Active
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