CN210615261U - Positive and negative ream face shaping sword - Google Patents
Positive and negative ream face shaping sword Download PDFInfo
- Publication number
- CN210615261U CN210615261U CN201921414794.0U CN201921414794U CN210615261U CN 210615261 U CN210615261 U CN 210615261U CN 201921414794 U CN201921414794 U CN 201921414794U CN 210615261 U CN210615261 U CN 210615261U
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- milling cutter
- cutter seat
- seat
- hole
- fixing
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Abstract
The utility model relates to the field of forming cutters, in particular to a forming cutter for a forward and backward countersink, which comprises a cutter bar body and an upper milling cutter seat; one end of the cutter bar body is a connecting part, the other end of the cutter bar body penetrates through the upper milling cutter seat to be detachably connected with the lower milling cutter seat, and the upper milling cutter is fixedly connected to the cutter bar body; the upper milling cutter seat and the lower milling cutter seat are arranged at an upper-lower interval, and the opposite surfaces of the upper milling cutter seat and the lower milling cutter seat are both connected with blades. The front and back countersink forming cutter of the utility model adopts the simultaneous processing from top to bottom, can form the front and back countersink at one time, avoids multiple clamping and ensures the processing precision; the lower milling cutter seat is installed in a rotating mode through the pin matched notch and the arc-shaped groove, and the lower milling cutter seat is easy to operate and convenient to use.
Description
Technical Field
The utility model relates to a shaping sword field, concretely relates to positive and negative ream face shaping sword.
Background
The countersink forming tool is a rotary tool for milling machining having one or more tool teeth. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently.
When countersunk holes are required to be milled on the front and back surfaces of through holes of some parts, the existing operation mode is that after one surface of the part is positioned and milled, the other surface is positioned and milled by re-clamping, and the clamping is carried out for multiple times, so that the operation is complicated, and the concentricity of the front countersunk hole and the back countersunk hole cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the front and back countersink forming cutter can form a front and back countersink at one time, avoid repeated clamping and guarantee machining precision.
In order to achieve the above object, the present invention provides the following technical solutions:
a front and back countersink forming cutter comprises a cutter bar body and an upper milling cutter seat; one end of the cutter bar body is a connecting part, the other end of the cutter bar body penetrates through the upper milling cutter seat to be detachably connected with the lower milling cutter seat, and the upper milling cutter is fixedly connected to the cutter bar body; the upper milling cutter seat and the lower milling cutter seat are arranged at an upper-lower interval, and the opposite surfaces of the upper milling cutter seat and the lower milling cutter seat are both connected with blades.
Furthermore, the top surface of the lower milling cutter seat is provided with a through connecting hole, the connecting hole and the lower milling cutter seat are coaxially arranged, the side surface of the lower milling cutter seat is provided with a fixing through hole penetrating through the connecting hole, and a fixing pin is connected in the fixing through hole; one end of the cutter bar body, which is connected with the lower milling cutter seat, is provided with an unfilled groove and an arc-shaped groove.
Furthermore, the axis of the fixing through hole is vertical to the axis of the connecting hole and does not intersect with the axis of the connecting hole; the notch is communicated with the arc-shaped groove, and the arc-shaped groove and the fixing through hole are positioned on the same horizontal plane.
Furthermore, the cutter bar body, the upper milling cutter seat and the lower milling cutter seat are coaxially arranged.
The utility model has the advantages that: the front and back countersink forming cutter of the utility model adopts the simultaneous processing from top to bottom, can form the front and back countersink at one time, avoids multiple clamping and ensures the processing precision; the lower milling cutter seat is installed in a rotating mode through the pin matched notch and the arc-shaped groove, and the lower milling cutter seat is easy to operate and convenient to use.
Drawings
FIG. 1 is a schematic view of the overall structure of a front-back countersink forming tool of the present invention;
FIG. 2 is a schematic view of a part of the front and back countersink forming tool of the present invention;
FIG. 3 is a schematic diagram of the structure of FIG. 1 with the structure of FIG. 2 removed;
in the figure: 1. a cutter arbor body; 11. a connecting portion; 12. notching; 13. an arc-shaped slot; 2. an upper milling cutter seat; 3. a lower milling cutter holder; 31. a fixing through hole; 32. connecting holes; 4. a blade; 5. and fixing the pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 to 3, a front and back countersink forming tool includes a tool shank 1 and an upper milling cutter holder 2; one end of the cutter arbor body 1 is a connecting part 11, the other end of the cutter arbor body passes through the upper milling cutter base 2 and is detachably connected with the lower milling cutter base 3, and the upper milling cutter base 2 is fixedly connected to the cutter arbor body 1; the upper milling cutter seat 2 and the lower milling cutter seat 3 are arranged at intervals up and down, and blades 4 are connected to the opposite surfaces of the upper milling cutter seat 2 and the lower milling cutter seat 3; the lower and upper milling cutter seats 3, 2 are used for mounting inserts 4.
The top surface of the lower milling cutter base 3 is provided with a through connecting hole 32, the connecting hole 32 and the lower milling cutter base 3 are coaxially arranged, the side surface of the lower milling cutter base 3 is provided with a fixing through hole 31 penetrating through the connecting hole 32, and a fixing pin 5 is connected in the fixing through hole 31; the cutter arbor body 1 is connected one end with lower milling cutter seat 3 and is equipped with scarce groove 12 and arc wall 13, lacks groove 12 and arc wall 13 and is used for cooperating fixed pin 5 with milling cutter seat 3 fixed connection on the cutter arbor body 1 down.
The axis of the fixing through hole 31 is vertical to the axis of the connecting hole 32 and does not intersect with the axis; the notch 12 is communicated with the arc-shaped groove 13, and the arc-shaped groove 13 and the fixing through hole 31 are positioned on the same horizontal plane.
The cutter arbor body 1, the upper milling cutter seat 2 and the lower milling cutter seat 3 are coaxially arranged.
The working principle is as follows: connecting the connecting part 11 of the cutter arbor body 1 to a milling machine, controlling one end of the cutter arbor body 1 far away from the connecting part 11 to pass through a through hole of a part to be processed, sleeving a fixing through hole 31 of the lower milling cutter holder 3 at one end of the notch 12 of the cutter arbor body 1, keeping the fixing through hole 31 and the arc-shaped groove 13 in the same horizontal plane, inserting a fixing pin 5 into the fixing through hole 31 to pass through the notch 12, rotating the lower milling cutter holder 3, and enabling the axis of the fixing through hole 31 to coincide with the axis of the arc-shaped groove 13 to finish installation; during processing, the lower milling cutter base 3 is rotationally processed according to the installation rotating direction, the lower bottom surface is processed firstly, and then the upper bottom surface is processed.
The above examples are provided for further illustration of the present invention, but do not limit the present invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood as being within the protection scope of the present invention.
Claims (4)
1. A front and back countersink forming cutter comprises a cutter bar body (1) and an upper milling cutter seat (2); the method is characterized in that: one end of the cutter arbor body (1) is provided with a connecting part (11), the other end of the cutter arbor body passes through the upper milling cutter seat (2) and is detachably connected with the lower milling cutter seat (3), and the upper milling cutter seat (2) is fixedly connected to the cutter arbor body (1); go up mill blade holder (2) and lower mill blade holder (3) interval setting from top to bottom, go up mill blade holder (2) and mill blade holder (3) relative one side all is connected with blade (4) down.
2. The forward and reverse countersink forming tool according to claim 1, wherein: the top surface of the lower milling cutter seat (3) is provided with a through connecting hole (32), the connecting hole (32) and the lower milling cutter seat (3) are coaxially arranged, the side surface of the lower milling cutter seat (3) is provided with a fixing through hole (31) penetrating through the connecting hole (32), and a fixing pin (5) is connected in the fixing through hole (31); one end of the cutter bar body (1) connected with the lower milling cutter seat (3) is provided with a notch (12) and an arc-shaped groove (13).
3. The forward and reverse countersink forming tool according to claim 2, wherein: the axis of the fixing through hole (31) is vertical to the axis of the connecting hole (32) and does not intersect with the axis; the notch (12) is communicated with the arc-shaped groove (13), and the arc-shaped groove (13) and the fixing through hole (31) are positioned on the same horizontal plane.
4. The forward and reverse countersink forming tool according to claim 1 or 3, wherein: the cutter bar body (1), the upper milling cutter seat (2) and the lower milling cutter seat (3) are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921414794.0U CN210615261U (en) | 2019-08-29 | 2019-08-29 | Positive and negative ream face shaping sword |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921414794.0U CN210615261U (en) | 2019-08-29 | 2019-08-29 | Positive and negative ream face shaping sword |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210615261U true CN210615261U (en) | 2020-05-26 |
Family
ID=70749809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921414794.0U Active CN210615261U (en) | 2019-08-29 | 2019-08-29 | Positive and negative ream face shaping sword |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210615261U (en) |
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2019
- 2019-08-29 CN CN201921414794.0U patent/CN210615261U/en active Active
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