CN206936466U - A kind of PCB milling cutters with retaining groove - Google Patents
A kind of PCB milling cutters with retaining groove Download PDFInfo
- Publication number
- CN206936466U CN206936466U CN201720619975.1U CN201720619975U CN206936466U CN 206936466 U CN206936466 U CN 206936466U CN 201720619975 U CN201720619975 U CN 201720619975U CN 206936466 U CN206936466 U CN 206936466U
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- retaining groove
- described sleeve
- cutter head
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of PCB milling cutters with retaining groove, including cutter head, sleeve pipe, for closing the fixed end of described sleeve pipe top end opening, for fixing the fix bar of the cutter head and retaining groove for stopping chip breaking, described sleeve pipe both ends open, one end is connected with the cutter head, the other end is connected with the fixed end, described sleeve pipe external diameter is more than the tool bit diameter, the retaining groove is hemispherical, top depression is cylinder, the cylindrical center is provided with through hole, the through-hole diameter is less than described sleeve pipe external diameter, more than the tool bit diameter, the cylindrical diameter is more than described sleeve pipe external diameter, the retaining groove is arranged on the termination with the cutter head connection end in described sleeve pipe, notch is downward, the utility model has the characteristics of stopping chip breaking and replaceable bit.
Description
Technical field
A kind of PCB milling cutters with retaining groove are the utility model is related to, belong to milling cutter technical field.
Background technology
PCB milling cutters are used in rear process, and main purpose is that the wiring board that will be made is cut using this cutter
It is a kind of rotary cutter with one or more cutters tooth into the final required product size of single client.Milling cutter at present
Production technology is main or the processing of whole branch alloy raw material, in cutter wear or after fractureing, can only whole branch scrap or will mill
Damage cutter head is ground into small size, and this method scrappage is also higher, and the performance after processing is general, is also welded and given birth to using extension bar type
The mode of production, cutter bar of milling cutter is made using other relatively inexpensive metals, cutter head is welded as a whole again with knife bar, this processing side
Method precision prescribed is higher, and because material is different, influences to use, and remainder is continuing with after also using excision wearing part
The method of position, it is this that knife edge part may be caused long, influence the integral rigidity of milling cutter.
The content of the invention
Technical problem to be solved in the utility model be to provide it is a kind of have stop chip breaking and replaceable bit
PCB milling cutters
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of PCB milling cutters with retaining groove, including cutter head, sleeve pipe, the fixing end for closing described sleeve pipe top end opening
Head, the fix bar for fixing the cutter head and the retaining groove for stopping chip breaking, described sleeve pipe both ends open, one end with it is described
Cutter head is connected, and the other end is connected with the fixed end, and described sleeve pipe external diameter is more than the tool bit diameter, and the retaining groove is hemisphere
Shape, top depression are cylinder, and the cylindrical center is provided with through hole, and the through-hole diameter is less than described sleeve pipe external diameter, is more than
The tool bit diameter, the cylindrical diameter are more than described sleeve pipe external diameter, and the retaining groove is arranged in described sleeve pipe and the knife
The termination of head connection end, notch are downward.
The retaining groove is flexibly connected with described sleeve pipe.
The retaining groove is divided into symmetrical two halves, and the two halves connection end is connected using joggle.
Described sleeve pipe inwall is evenly distributed with multiple strip grooves along described sleeve pipe length direction, and the strip grooves are close to described
The one end open of fixed end is closed close to one end of the cutter head to described sleeve pipe top, the cutter head include connecting portion with
And blade part, the connecting portion side are provided with multiple projections, described raised and strip groove location, quantity and the size pair
Should.
External screw thread is provided with the top of described sleeve pipe, the fixed end is provided with internal thread, described sleeve pipe and the fixed end
Threaded connection.
The fix bar is cylinder, and diameter is consistent with described sleeve pipe internal diameter, and the fix bar is located in described sleeve pipe,
Between the cutter head and the fixed end.
The fix bar side is provided with multiple raised lines along its length, the raised line and the strip groove location, quantity with
And size is corresponding.
The beneficial effect that the utility model is reached：Knife bar can be saved using the setting of cutter head, sleeve pipe and fix bar
Part, upon wear, cutter head only need to be scrapped, using the raised setting with notch, the connection of cutter head and sleeve pipe can be made very
It is firm, it will not slip in use, using the setting of retaining groove, chip breaking splashes can be avoided, using flexible connection side
Formula, only retaining groove can be changed upon wear, using the setting of double of joggle, can conveniently installed.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is retaining groove front view and top view；
Fig. 3 is sleeve pipe front view, sectional view and top view；
Fig. 4 is fixed end, fix bar and cutter head connection diagram.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating this
The technical scheme of utility model, and the scope of protection of the utility model can not be limited with this.
Embodiment 1
Such as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, a kind of PCB milling cutters with retaining groove, including cutter head 1, sleeve pipe 2, for closing
The fixed end 3 of the top end opening of described sleeve pipe 2, the fix bar 4 for fixing the cutter head 1 and the retaining groove for stopping chip breaking
5, the both ends open of described sleeve pipe 2, one end is connected with the cutter head 1, and the other end is connected with the fixed end 3, outside described sleeve pipe 2
Footpath is more than the diameter of cutter head 1, and the retaining groove 5 is hemispherical, and top depression is cylinder 52, and the cylindrical center is provided with logical
Hole 53, the diameter of through hole 53 is less than the external diameter of described sleeve pipe 2, and more than the diameter of cutter head 1, cylindrical 52 diameter is more than institute
The external diameter of sleeve pipe 2 is stated, the retaining groove 5 is arranged on the termination with the connection end of cutter head 1 in described sleeve pipe 2, and notch is downward, the gear
Groove 5 is flexibly connected with described sleeve pipe 2, can be connected using neck 542 or snap fit 541 connects, the retaining groove 5 is divided to for symmetrical two
Half, the two halves connection end is connected using joggle, and retaining groove 5, the set can be eaily installed using this mounting means
The inwall of pipe 2 is evenly distributed with 4 strip grooves 21 along the length direction of described sleeve pipe 2, and the strip grooves 21 are close to the fixed end 3
One end open to the top of described sleeve pipe 2, closed close to one end of the cutter head 1, the cutter head 1 includes connecting portion 12 and knife
Blade 11, the side of connecting portion 12 are provided with 4 projections, described raised with the position of strip grooves 21 and a pair of size 1
Should, the top of described sleeve pipe 2 is provided with external screw thread, and the fixed end 3 is provided with internal thread, described sleeve pipe 2 and the spiral shell of fixed end 3
Line connects, and the fix bar 4 is cylinder, and diameter is consistent with the internal diameter of described sleeve pipe 2, and the fix bar 4 is located at described sleeve pipe 2
Interior, between the cutter head 1 and the fixed end 3, the side of fix bar 4 is provided with 4 raised lines along its length, described
Raised line is corresponding with the position of strip grooves 21 and size.Occupation mode is as follows：After turning on fixed end 3, by cutter head 1 and admittedly
The groove on the corresponding pipe sleeve 2 of projection in fixed pole 4, cutter head 1, fix bar 4 successively be put into pipe sleeve 2, then tighten fixed end
3, retaining groove 5 is installed on sleeve pipe 2 during use, can not be drawn off, change new after use in cutter head 1 or the abrasion of retaining groove 5
Cutter head and retaining groove, greatly saved resource, and using the retaining groove of this structure, can with protection sleeve pipe 2 from
The shock of chip breaking, impinge upon completely on the inner face of retaining groove 5, improve the service life of sleeve pipe 2.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and deformation can also be made, these change
Enter and deform and also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of PCB milling cutters with retaining groove, it is characterized in that, including cutter head (1), sleeve pipe (2), for closing described sleeve pipe (2)
The fixed end (3) of top end opening, the fix bar (4) for fixing the cutter head (1) and the retaining groove for stopping chip breaking
(5), described sleeve pipe (2) both ends open, one end are connected with the cutter head (1), and the other end is connected with the fixed end (3), institute
State sleeve pipe (2) external diameter and be more than the cutter head (1) diameter, the retaining groove (5) is hemispherical, and top depression is cylindrical (52), institute
State cylindrical center and be provided with through hole (53), through hole (53) diameter is less than described sleeve pipe (2) external diameter, more than the cutter head (1)
Diameter, described cylinder (52) diameter are more than described sleeve pipe (2) external diameter, and the retaining groove (5) is arranged in described sleeve pipe (2) and institute
The termination of cutter head (1) connection end is stated, notch is downward.
2. a kind of PCB milling cutters with retaining groove according to claim 1, it is characterized in that, the retaining groove (5) and described sleeve pipe
(2) it is flexibly connected.
3. a kind of PCB milling cutters with retaining groove according to claim 1, it is characterized in that, the retaining groove (5) is divided into symmetrically
Two halves, the two halves connection end are connected using joggle.
4. a kind of PCB milling cutters with retaining groove according to claim 1, it is characterized in that, described sleeve pipe (2) inwall is described in
Sleeve pipe (2) length direction is evenly distributed with multiple strip grooves (21), the strip grooves (21) close to the fixed end (3) one
End opening is closed close to one end of the cutter head (1) to described sleeve pipe (2) top, the cutter head (1) include connecting portion (12) with
And blade part (11), connecting portion (12) side are provided with multiple projections, described raised and the strip grooves (21) position, quantity
And size is corresponding.
5. a kind of PCB milling cutters with retaining groove according to claim 1, it is characterized in that, it is provided with the top of described sleeve pipe (2) outer
Screw thread, the fixed end (3) are provided with internal thread, and described sleeve pipe (2) is threadedly coupled with the fixed end (3).
6. a kind of PCB milling cutters with retaining groove according to claim 1, it is characterized in that, the fix bar (4) is cylinder
Body, diameter is consistent with described sleeve pipe (2) internal diameter, and the fix bar (4) is located in described sleeve pipe (2), in the cutter head (1) and
Between the fixed end (3).
7. a kind of PCB milling cutters with retaining groove according to claim 4, it is characterized in that, fix bar (4) side is along length
Degree direction is provided with multiple raised lines, and the raised line is corresponding with the strip grooves (21) position, quantity and size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720619975.1U CN206936466U (en) | 2017-05-31 | 2017-05-31 | A kind of PCB milling cutters with retaining groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720619975.1U CN206936466U (en) | 2017-05-31 | 2017-05-31 | A kind of PCB milling cutters with retaining groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206936466U true CN206936466U (en) | 2018-01-30 |
Family
ID=61363075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720619975.1U Expired - Fee Related CN206936466U (en) | 2017-05-31 | 2017-05-31 | A kind of PCB milling cutters with retaining groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206936466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116256A (en) * | 2017-05-31 | 2017-09-01 | 江苏芯力特电子科技有限公司 | A kind of PCB milling cutters with retaining groove |
-
2017
- 2017-05-31 CN CN201720619975.1U patent/CN206936466U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116256A (en) * | 2017-05-31 | 2017-09-01 | 江苏芯力特电子科技有限公司 | A kind of PCB milling cutters with retaining groove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20190531 |