CN213496561U - Circular arc cutting edge slotting cutter - Google Patents
Circular arc cutting edge slotting cutter Download PDFInfo
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- CN213496561U CN213496561U CN202022215121.1U CN202022215121U CN213496561U CN 213496561 U CN213496561 U CN 213496561U CN 202022215121 U CN202022215121 U CN 202022215121U CN 213496561 U CN213496561 U CN 213496561U
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- blade
- cutter body
- cutting edge
- circular arc
- arc cutting
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Abstract
The utility model discloses an arc cutting edge slotting cutter, including cutter body, blade and locating pin, cutter body upper portion is equipped with the locating pin, the cutter body can be dismantled through the locating pin and be fixed in on the circular blade disc, the blade disc is rotatory through connecting the driving motor drive, cutter body lower part front side is equipped with the recessed step face downwards backward, fixed connection can be dismantled on the step face of cutter body to the blade, the blade is the cylindrical blade of vertical setting, step face upper portion is equipped with the toper locating surface, blade upper portion offsets with the toper locating surface of cutter body. The utility model relates to a circular arc cutting edge slotting tool, simple structure, simple to operate, positioning reliability are strong, effectively solved the uneven sword condition that collapses that leads to of blank face.
Description
Technical Field
The utility model relates to a lathe work technical field especially relates to an arc cutting edge slotting cutter.
Background
In the prior art, when a crankshaft main journal is roughly machined, a special machine tool is adopted to machine the crankshaft main journal by a broaching tool disk, and the machine tool comprises various lathing blades such as a slotting cutter, a side wall cutter, a slotting cutter, a broaching cutter and the like. The slotting cutter is a rough machining blade for firstly machining the main journal, the blade is directly pricked into a blank curved surface and is influenced by instability of blank allowance and protrusion of a casting process parting line, the blade frequently has the problem of cutter breakage, and after the blade is broken, the blank allowance is not removed, so that the blade in the later process has chain cutter breakage, workpieces are scrapped, the cost of the cutter is increased, and the current production requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve not enough among the prior art and accomplish, the utility model aims at providing a circular arc cutting edge slotting cutter, simple structure, simple to operate, positioning reliability are strong, effectively solved the uneven sword condition that collapses that leads to of blank face.
The utility model discloses a circular arc cutting edge slotting cutter, including cutter body, blade and locating pin, cutter body upper portion is equipped with the locating pin, the cutter body can be dismantled through the locating pin and be fixed in on the circular blade disc, the blade disc is rotatory through connecting the driving motor drive, cutter body lower part front side is equipped with the recessed step face downwards backward, fixed connection can be dismantled on the step face of cutter body to the blade, the blade is the cylindrical blade of vertical setting, step face upper portion is equipped with the toper locating surface, blade upper portion offsets with the toper locating surface of cutter body.
The utility model discloses a circular arc cutting edge slotting tool can also be:
the conical positioning surface comprises inclined surfaces positioned on two sides of the cutter body and a first arc-shaped surface positioned on the lower portion of the front side of the cutter body, the first arc-shaped surface of the cutter body is consistent with the radian of the periphery of the blade, and the upper portion of the blade is abutted against the first arc-shaped surface positioned on the lower portion of the front side of the cutter body.
The step surface on the cutter body is a plane which is longitudinally arranged.
The cutter body front side lower part first arcwall face middle part is equipped with by preceding backward extension dodge the groove, be equipped with on the step face and dodge the hole, dodge the groove with dodge the hole intercommunication.
The lower parts of the left side and the right side of the cutter body are second arc-shaped surfaces, and the radian of the second arc-shaped surfaces is consistent with that of the periphery of the blade.
The rear part of the cutter body is an inclined plane which inclines from left to right from top to bottom.
The blade is characterized in that mounting holes are formed in the middle of the blade and the step surface respectively, and the blade is detachably and fixedly connected with the step surface through a hexagon bolt.
The central axis of the hexagonal bolt coincides with the central axis of the blade.
The utility model discloses a circular arc cutting edge slotting cutter, including cutter body, blade and locating pin, cutter body upper portion is equipped with the locating pin, the cutter body can be dismantled through the locating pin and be fixed in on the circular blade disc, the blade disc is rotatory through connecting the driving motor drive, cutter body lower part front side is equipped with the recessed step face downwards backward, fixed connection can be dismantled on the step face of cutter body to the blade, the blade is the cylindrical blade of vertical setting, step face upper portion is equipped with the toper locating surface, blade upper portion offsets with the toper locating surface of cutter body. Therefore, the blade can be detachably fixed on the step surface of the cutter body, the blade is convenient to mount, dismount and wash, and the cutter body can be detachably fixed on the circular cutter head, the structure is simple, blades of different types can be conveniently arranged on the cutter head to meet different requirements of turning, in the prior art, the blade is directly pricked into the blank surface, the cutting impact force of the blade is instantly increased in a full-edge cutting state, the cutter breakage can occur when the bending strength of the blade is exceeded, in order to reduce the cutting impact force of the blade, the blade is designed into a cylindrical blade, the cutting torque is shortened compared with the square blade in the prior art, the contact between the arc surface of the circular blade and a workpiece is changed from the line contact to the point contact in the prior art, the cutting force is slowly increased, so that the cutter breakage caused by the uneven blank surface is not easy to break when the blade is used, the failure is not easy to effectively, the replacement cost of the blade is reduced. The upper portion of blade with the toper locating surface on step face upper portion is partly enclosed to offset, provides the support location to the upper portion and the side of blade, simultaneously the arcwall face of cutter body is unanimous with the radian of blade, has further increased the installation reliability of blade, makes it can not damage because of rocking the atress inequality that causes, has improved the life of blade. The utility model discloses a circular arc cutting edge slotting tool has following advantage, simple structure, simple to operate, positioning reliability are strong, effectively solved the uneven sword condition that collapses that leads to of blank face.
Drawings
Fig. 1 is an exploded view of a circular arc cutting edge slotter knife of the present invention.
Fig. 2 is a structural diagram of a slotting cutter with arc cutting edges according to the present invention.
Fig. 3 is a cutter body structure diagram of the circular arc cutting edge slotting cutter of the utility model.
Description of the figures
1 … cutter body 2 … blade 3 … locating pin
4 … step surface 5 … first inclined surface 6 … first arc surface
7 … avoiding groove 8 … avoiding hole 9 … second arc surface
10 … second inclined plane 11 … mounting hole 12 … hexagon bolt
13 … conical locating surface
Detailed Description
A circular cutting edge slotter according to the present invention will be described in further detail with reference to fig. 1 to 3 of the accompanying drawings. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like 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 description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The utility model discloses an arc cutting edge slotting cutter please refer to fig. 1 to 3, including cutter body 1, blade 2 and locating pin 3, 1 upper portion of cutter body is equipped with locating pin 3, cutter body 1 can dismantle through locating pin 3 and be fixed in on the circular blade disc, the blade disc is rotatory through connecting the driving motor drive, 1 lower part front side of cutter body is equipped with recessed step face 4 downwards backward, fixed connection can be dismantled on the step face 4 of cutter body 1 to blade 2, blade 2 is the cylindrical blade 2 of vertical setting, step face 4 upper portion is equipped with toper locating surface 13, 2 upper portions of blade offset with the toper locating surface 13 of cutter body 1. Therefore, the blade 2 can be detachably fixed on the step surface 4 of the cutter body 1, the blade 2 is convenient to mount, dismount and wash, the cutter body 1 can be detachably fixed on the circular cutter head, the structure is simple, the blades 2 of different types can be conveniently arranged on the cutter head to meet different requirements of turning, in the prior art, the blade 2 is directly inserted into the blank surface, the cutting impact force of the blade 2 is instantly increased in a full-edge cutting state, the cutter breakage can be generated when the bending strength of the blade 2 is exceeded, in order to reduce the cutting impact force of the blade 2, the blade 2 is designed into the cylindrical blade 2, compared with the square blade 2 in the prior art, the cutting torque is shortened, the contact between the arc surface of the arc blade 2 and a workpiece is changed into point contact from the line contact in the prior art, the cutting force is slowly increased, so that the cutter breakage is not easy to break when the blade 2 is used, the failure is not easy to occur, thereby improving the service life of the blade 2 and reducing the replacement cost of the blade 2. The upper part of the blade 2 is abutted to the conical positioning surface 13 on the upper part of the step surface 4 in a semi-surrounding manner, so that the upper part and the side surface of the blade 2 are supported and positioned, the blade is prevented from being damaged due to uneven stress caused by shaking, and the service life of the blade 2 is prolonged.
The utility model discloses a circular arc cutting edge slotting cutter please refer to fig. 1 to fig. 3, can also be on the basis of the technical scheme of preceding description: the conical positioning surface 13 comprises first inclined surfaces 5 positioned on two sides of the cutter body 1 and a first arc-shaped surface 6 positioned on the lower portion of the front side of the cutter body 1, the first arc-shaped surface 6 of the cutter body 1 is consistent with the radian of the periphery of the blade 2, and the upper portion of the blade 2 is abutted to the first arc-shaped surface 6 positioned on the lower portion of the front side of the cutter body 1. Like this, the effect of supporting the location has been played to the left and right sides of blade 2 to first inclined plane 5 of toper locating surface 13, the effect of supporting the location has been played to the upper portion of blade 2 in the same line of the periphery radian of first arcwall face 6 and blade 2, the installation stability of blade 2 has been improved, make blade 2 closely laminate with step face 4, in the cutting process of blade 2 and work piece, blade 2 can not rock, make it can not damage because of rocking the atress inequality that causes, thereby the life of blade 2 has been improved.
The utility model discloses a circular arc cutting edge slotting cutter please refer to fig. 1 to fig. 3, can also be on the basis of the technical scheme of preceding description: the step surface 4 on the cutter body 1 is a plane which is longitudinally arranged. Like this, step face 4 can make blade 2 and step face 4 closely laminate for the plane of vertical setting, for blade 2 provides the support at rear portion, and in the cutting process of blade 2 and work piece, blade 2 can not rock, makes it can not damage because of rocking the atress inequality that causes to the life of blade 2 has been improved.
The utility model discloses a circular arc cutting edge slotting cutter please refer to fig. 1 to fig. 3, can also be on the basis of the technical scheme of preceding description: the middle part of the first arc-shaped surface 6 at the lower part of the front side of the cutter body 1 is provided with an avoiding groove 7 extending forwards and backwards, the step surface 4 is provided with an avoiding hole 8, and the avoiding groove 7 is communicated with the avoiding hole 8. Like this, dodge hole 8 and dodge groove 7 by the preceding backward extension through the setting, dodge hole 8 and dodge groove 7 intercommunication, can be at the in-process of blade 2 atress, with the gas between blade 2 and the step face 4 through dodging hole 8 and dodging groove 7 and discharging, thereby make blade 2 and step face 4 can closely laminate, in the cutting process of blade 2 and work piece, blade 2 can not rock, make it can not damage because of rocking the atress inequality that causes, thereby the life of blade 2 has been improved.
The utility model discloses a circular arc cutting edge slotting cutter please refer to fig. 1 to fig. 3, can also be on the basis of the technical scheme of preceding description: the lower parts of the left side and the right side of the cutter body 1 are second arc-shaped surfaces 9, and the radian of the second arc-shaped surfaces 9 is consistent with that of the periphery of the blade 2. Like this, cylindrical blade 2's cutting face has effectively been dodged to second arcwall face 9, has improved the rigidity of step face 4 and the reliability of support when not influencing blade 2 normal use, and in the cutting process of blade 2 and work piece, blade 2 can not rock, has improved blade 2's life, makes it can not damage because of rocking the atress inequality that causes.
The utility model discloses a circular arc cutting edge slotting cutter please refer to fig. 1 to fig. 3, can also be on the basis of the technical scheme of preceding description: the rear part of the cutter body 1 is a second inclined plane 10 inclined from left to right from top to bottom. In this way, the inclined second inclined surface 10 provides sufficient space for the removal of the insert 2, facilitating the removal of the insert 2, while maximally securing the strength of the cutter body 1.
The utility model discloses a circular arc cutting edge slotting cutter please refer to fig. 1 to fig. 3, can also be on the basis of the technical scheme of preceding description: the middle part of the blade 2 and the step surface 4 are respectively provided with a mounting hole 11, and the blade 2 is detachably and fixedly connected with the step surface 4 through a hexagon bolt 12. The further preferable scheme is as follows: the central axis of the hexagon bolt 12 coincides with the central axis of the blade 2. Thus, the hexagon bolt 12 is positioned at the center of the blade 2, and the blade 2 is uniformly stressed in the cutting process of the blade 2 and a workpiece, so that the service life of the blade 2 is ensured while the connection reliability is improved, and the blade 2 is not damaged due to uneven stress.
The above description is only for the description of several embodiments of the present invention, but the scope of the present invention should not be considered as falling within the scope of the present invention, in which all the equivalent changes or modifications or the equal-scale enlargement or reduction etc. according to the design spirit of the present invention are made.
Claims (8)
1. The utility model provides a circular arc cutting edge slotting tool which characterized in that: the cutter body is detachably fixed on a circular cutter head through the positioning pin, the cutter head is driven to rotate through a connecting driving motor, a backward and downward concave step surface is arranged on the front side of the lower portion of the cutter body, the blades are detachably and fixedly connected to the step surface of the cutter body, the blades are cylindrical blades which are longitudinally arranged, a conical positioning surface is arranged on the upper portion of the step surface, and the upper portions of the blades are abutted to the conical positioning surface of the cutter body.
2. The circular arc cutting edge slotter knife according to claim 1, wherein: the conical positioning surface comprises first inclined surfaces positioned on two sides of the cutter body and a first arc-shaped surface positioned on the lower portion of the front side of the cutter body, the first arc-shaped surface of the cutter body is consistent with the radian of the periphery of the blade, and the upper portion of the blade is abutted against the first arc-shaped surface positioned on the lower portion of the front side of the cutter body.
3. A circular arc cutting edge slotter knife according to claim 2, wherein: the step surface on the cutter body is a plane which is longitudinally arranged.
4. A circular arc cutting edge slotter knife according to claim 3, wherein: the cutter body front side lower part first arcwall face middle part is equipped with by preceding backward extension dodge the groove, be equipped with on the step face and dodge the hole, dodge the groove with dodge the hole intercommunication.
5. A circular arc cutting edge slotter knife according to claim 3, wherein: the lower parts of the left side and the right side of the cutter body are second arc-shaped surfaces, and the radian of the second arc-shaped surfaces is consistent with that of the periphery of the blade.
6. The circular arc cutting edge slotter knife according to claim 5, wherein: the rear portion of cutter body is from the left second inclined plane of right top-down slope.
7. A circular arc cutting edge slotter according to any one of claims 1 to 5, wherein: the blade is characterized in that mounting holes are formed in the middle of the blade and the step surface respectively, and the blade is detachably and fixedly connected with the step surface through a hexagon bolt.
8. The circular arc cutting edge slotter knife according to claim 7, wherein: the central axis of the hexagonal bolt coincides with the central axis of the blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215121.1U CN213496561U (en) | 2020-09-30 | 2020-09-30 | Circular arc cutting edge slotting cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215121.1U CN213496561U (en) | 2020-09-30 | 2020-09-30 | Circular arc cutting edge slotting cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213496561U true CN213496561U (en) | 2021-06-22 |
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ID=76395886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022215121.1U Active CN213496561U (en) | 2020-09-30 | 2020-09-30 | Circular arc cutting edge slotting cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213496561U (en) |
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2020
- 2020-09-30 CN CN202022215121.1U patent/CN213496561U/en active Active
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