CN211052552U - Annular blind groove cutting tool - Google Patents
Annular blind groove cutting tool Download PDFInfo
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- CN211052552U CN211052552U CN201921980083.XU CN201921980083U CN211052552U CN 211052552 U CN211052552 U CN 211052552U CN 201921980083 U CN201921980083 U CN 201921980083U CN 211052552 U CN211052552 U CN 211052552U
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- blind groove
- annular blind
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- cutter
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Abstract
The utility model provides an annular blind groove cutting tool, annular blind groove cutting tool include cutter arbor, blade, clamp plate and locking screw, and the blade includes blade body and tool bit, and the blade centre gripping is between clamp plate and cutter arbor, and the tool bit outside border forms the cutting edge, and the cutting edge is convex, and the cutting edge external diameter is d and treats that processing annular blind groove notch width satisfies the relational expression for b: b-1.4 is less than or equal to d is less than or equal to b. When the annular blind groove cutting tool is used, firstly, the annular blind groove cutting tool is used for roughly processing a workpiece, the roughly processing enables the tool to adopt a pecking type feeding mode, and then the annular blind groove cutting tool is used for carrying out profile finish processing on the workpiece; adopt the technical scheme of the utility model, adopt special annular blind groove cutting tool cutting machine shaping annular blind groove, the cutter need be changed at the course of working middle part, has saved process time, has improved machining precision, processingquality and machining efficiency, has promoted the utilization efficiency of cutter simultaneously, has prolonged the life of cutter.
Description
Technical Field
The utility model belongs to the technical field of the cutting process, especially, relate to an annular blind groove cutting tool.
Background
At present, in the field of aviation and aerospace industry, there is a kind of annular parts, which are provided with corresponding annular blind groove features, the edge of the notch of the annular blind groove is provided with a boss, so that the width of the inner cavity of the annular blind groove is larger than the width of the notch, when the annular blind groove features are machined, there are many difficulties in machining, because the width of the inner cavity of the annular blind groove is larger than the width of the notch, the prior art generally needs to use more than 2 round-head groove cutters for cutting machining, wherein the external dimension of one cutter is equivalent to the notch of the annular blind groove, the external dimension of the other cutter is equivalent to the width of the inner cavity of the annular blind groove, however, when machining, the clamping cutter needs to be replaced, the position of the cutter relative to the workpiece is changed, the cutter has to be reset, and the positioning error of the cutter repeated positioning still exists, the workpiece machining progress is influenced, in addition, the cutter platform is connected to the machined surface of the workpiece after different cutters are machined, the cutter platform is connected to the inner wall of the annular blind groove, reprocessing is not facilitated, roughness accuracy of the inner wall of the annular blind groove after machining and forming is not high, in addition, due to the fact that the wall of the workpiece is thin, cutting acting force generated by replacing different cutters on the workpiece is different, if the cutting force is too large, deformation of the workpiece can be caused, and machining accuracy is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an annular blind groove cutting tool.
The utility model discloses a following technical scheme can realize.
The utility model provides an annular blind groove cutting tool, including cutter arbor, blade, clamp plate and locking screw, the blade include rectangular bodily form blade body with set up in the tool bit at blade body both ends, locking screw will the clamp plate with the cutter arbor links together and makes the blade centre gripping in between clamp plate and the cutter arbor, make at least one tool bit expose simultaneously outside clamp plate or the cutter arbor, the outer border of tool bit forms the cutting edge, the cutting edge is convex, the cutting edge external diameter is d, treats that processing annular blind groove notch width is b, then b, d satisfy following relational expression: b-1.4 is less than or equal to d is less than or equal to b.
The cutting edge center for the distance between the blade body width direction central axis is e, treats that processing annular blind groove notch border is provided with the boss, and the boss is for treating the relative height of processing annular blind groove inner wall be h, then e, h, b, d satisfy following relational expression: e ═ h- (b-d)/2.
The cutter heads arranged at the two ends of the blade body are symmetrically arranged by taking the centroid of the blade body as a symmetric center.
Be provided with the cold hole of leading within the cutter arbor, lead cold hole both ends port and extend to respectively the cutter arbor surface, the one end port department of leading the cold hole is provided with the cooling tube interface, and the other end port of leading the cold hole aims at expose in cutting edge beyond clamp plate or the cutter arbor.
The cooling pipe interface is an internal thread interface.
The blade is made of hard alloy.
The blade body surface still is provided with the chip groove, chip groove length direction with blade body length direction is the same.
The beneficial effects of the utility model reside in that: adopt the technical scheme of the utility model, carry out cutting process to annular blind groove through adopting special cutting tool, the condition of frequently changing cutting tool among the prior art in the cutting process has been changed, only need carry out a tool setting operation to the cutter in the cutting process, the process time has been saved, the cutting platform can not stay down on the work piece machined surface, annular blind inslot wall surface machining precision has been promoted, in addition, the cutter adopts carbide material to make, good rigidity has, cutting effort size to the work piece production remains stable relatively, machining precision and processingquality have been promoted. The cutter heads are arranged at the front end and the rear end of the annular blind groove cutting cutter, the utilization efficiency of the cutter is effectively improved, the cold guide hole is formed in the cutter rod, the cooling liquid can be fed into the cold guide hole through the cold guide hole, the cutting edge in the cutting machining process is accurately cooled, and the service life of the cutter is prolonged.
Drawings
FIG. 1 is a schematic structural view of the annular blind groove cutting tool of the present invention;
fig. 2 is a schematic structural view of the blade of the present invention;
FIG. 3 is a schematic structural diagram of the second step of the operation method when the annular blind groove cutting tool provided by the present invention is used;
FIG. 4 is a schematic structural diagram of a third step of the operation method when the annular blind groove cutting tool provided by the present invention is used;
FIG. 5 is a schematic structural view of the annular blind groove of the present invention;
in the figure: 1-cutter bar, 2-blade, 3-pressure plate, 4-locking screw, 5-workpiece, 11-cold guide hole, 21-blade body, 22-cutter head, 23-blade, 24-chip groove, 51-annular blind groove and 52-lug boss.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
The utility model provides an annular blind groove cutting tool, including cutter arbor 1, blade 2, clamp plate 3 and locking screw 4, blade 2 includes rectangular bodily form blade body 21 and sets up in the tool bit 22 at blade body 21 both ends, locking screw 4 links together clamp plate 3 and cutter arbor 1 and makes 2 centre gripping of blade between clamp plate 3 and cutter arbor 1, make at least one tool bit 22 expose outside clamp plate 3 or cutter arbor 1 simultaneously, the outer border of tool bit 22 forms cutting edge 23, cutting edge 23 is convex, cutting edge 23 external diameter is d, treat to process annular blind groove 51 notch width and be b, then b, d satisfies following relational expression: b-1.4 is less than or equal to d is less than or equal to b.
Further, the distance between the center of the cutting edge 23 and the central axis of the blade body 21 in the width direction is e, a boss 52 is arranged at the edge of the notch of the annular blind groove 51 to be processed, the relative height of the boss 52 to the inner wall of the annular blind groove 51 to be processed is h, and then e, h, b and d satisfy the following relational expression: e ═ h- (b-d)/2.
In addition, the tips 22 provided at both ends of the insert body 21 are disposed symmetrically with the centroid of the insert body 21 as a center of symmetry.
In addition, preferably, the cutter bar 1 is provided with a cold guide hole 11 therein, the two end ports of the cold guide hole 11 extend to the surface of the cutter bar 1 respectively, one end port of the cold guide hole 11 is provided with a cooling pipe interface, and the other end port of the cold guide hole 11 is aligned with the cutting edge 23 exposed out of the pressure plate 3 or the cutter bar 1. Preferably, the cooling tube interface is an internally threaded interface. The blade 2 is made of hard alloy.
Further, the surface of the insert body 21 is also provided with a chip groove 24, and the length direction of the chip groove 24 is the same as the length direction of the insert body 21.
Furthermore, use the utility model provides a during annular blind groove cutting tool, can use according to following step:
the method comprises the following steps: a preparation stage: the utility model provides a work piece, lathe and annular blind groove cutting tool, annular blind groove cutting tool includes cutter arbor 1, blade 2, clamp plate 3 and locking screw 4, blade 2 includes cuboid form blade body 21 and sets up the tool bit 22 at blade body 21 both ends, locking screw 4 links together clamp plate 3 and cutter arbor 1 and makes blade 2 centre gripping between clamp plate 3 and cutter arbor 1, make at least one tool bit 22 expose outside clamp plate 3 or cutter arbor 1 simultaneously, tool bit 22 outside is along forming cutting edge 23, cutting edge 23 is arc, cutting edge 23 external diameter is d, treat that annular blind groove 51 notch width of processing is b, then b, d satisfy following relational expression: b-1.4 is more than or equal to d is less than or equal to b; preferably, in the first step, the machine tool is a lathe, and the annular blind groove cutting tool is a turning tool.
Step two: and (3) rough machining stage: clamping the workpiece and the annular blind groove cutting tool in the first step on a machine tool, cutting the workpiece by using the annular blind groove cutting tool, repeating for many times to enable the annular blind groove cutting tool to perform feeding motion approaching the workpiece along a straight line and retracting motion departing from the workpiece along the straight line, and gradually increasing the distance of single feeding motion or retracting motion to obtain a blind groove on the surface of the workpiece;
step three: and (3) finishing stage: and (3) cutting the workpiece by using an annular blind groove cutting tool, feeding the annular blind groove cutting tool for a proper distance along the depth direction of the primary blind groove in the second step, feeding the annular blind groove cutting tool for a proper distance along the width direction of the primary blind groove towards the inner wall of the primary blind groove, feeding the annular blind groove cutting tool for a proper distance along the depth direction of the primary blind groove, feeding the annular blind groove cutting tool to the bottom of the primary blind groove along the depth direction of the primary blind groove, deviating the annular blind groove cutting tool from the workpiece, cutting and removing partial materials on the inner wall of the primary blind groove, and obtaining an annular. Further, when the lateral feeding distance in the third step is x, and the distance between the center of the cutting edge 23 and the central axis of the blade body 21 in the width direction in the first step is e, x, b, and d satisfy the following relations: x ═ e + (b-d)/2.
The beneficial effects of the utility model reside in that: adopt the technical scheme of the utility model, carry out cutting process to annular blind groove through adopting special cutting tool, the condition of frequently changing cutting tool among the prior art in the cutting process has been changed, only need carry out a tool setting operation to the cutter in the cutting process, the process time has been saved, the cutting platform can not stay down on the work piece machined surface, annular blind inslot wall surface machining precision has been promoted, in addition, the cutter adopts carbide material to make, good rigidity has, cutting effort size to the work piece production remains stable relatively, machining precision and processingquality have been promoted. The cutter heads are arranged at the front end and the rear end of the annular blind groove cutting cutter, the utilization efficiency of the cutter is effectively improved, the cold guide hole is formed in the cutter rod, the cooling liquid can be fed into the cold guide hole through the cold guide hole, the cutting edge in the cutting machining process is accurately cooled, and the service life of the cutter is prolonged.
Claims (7)
1. The utility model provides an annular blind groove cutting tool, characterized in that includes cutter arbor (1), blade (2), clamp plate (3) and locking screw (4), blade (2) include rectangular bodily form blade body (21) and set up in tool bit (22) at blade body (21) both ends, locking screw (4) will clamp plate (3) link together with cutter arbor (1) and make blade (2) centre gripping between clamp plate (3) and cutter arbor (1), make at least one tool bit (22) expose outside clamp plate (3) or cutter arbor (1) simultaneously, tool bit (22) outside border forms cutting edge (23), cutting edge (23) are arc, cutting edge (23) external diameter is d, treats that annular blind groove (51) notch width is b, then b, d satisfy following relational expression: b-1.4 is less than or equal to d is less than or equal to b.
2. The annular blind groove cutting tool of claim 1, wherein: the distance between the center of the cutting edge (23) and the central axis of the blade body (21) in the width direction is e, a boss (52) is arranged at the edge of the notch of the annular blind groove (51) to be machined, the relative height of the boss (52) to the inner wall of the annular blind groove (51) to be machined is h, and then e, h, b and d satisfy the following relational expression: e ═ h- (b-d)/2.
3. The annular blind groove cutting tool of claim 1, wherein: the cutter heads (22) arranged at the two ends of the blade body (21) are symmetrically arranged by taking the centroid of the blade body (21) as a symmetric center.
4. The annular blind groove cutting tool of claim 1, wherein: be provided with cold hole (11) of leading within cutter arbor (1), cold hole (11) both ends port extends to respectively cutter arbor (1) surface, the one end port department of leading cold hole (11) is provided with the cooling tube interface, and the other end port of leading cold hole (11) is aimed at expose in cutting edge (23) outside clamp plate (3) or cutter arbor (1).
5. The annular blind groove cutting tool of claim 4, wherein: the cooling pipe interface is an internal thread interface.
6. The annular blind groove cutting tool of claim 1, wherein: the blade (2) is made of hard alloy.
7. The annular blind groove cutting tool of claim 1, wherein: the blade is characterized in that a chip groove (24) is further formed in the surface of the blade body (21), and the length direction of the chip groove (24) is the same as that of the blade body (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921980083.XU CN211052552U (en) | 2019-11-16 | 2019-11-16 | Annular blind groove cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921980083.XU CN211052552U (en) | 2019-11-16 | 2019-11-16 | Annular blind groove cutting tool |
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| Publication Number | Publication Date |
|---|---|
| CN211052552U true CN211052552U (en) | 2020-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921980083.XU Active CN211052552U (en) | 2019-11-16 | 2019-11-16 | Annular blind groove cutting tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744081A (en) * | 2019-11-16 | 2020-02-04 | 贵州黎阳国际制造有限公司 | Annular blind groove cutting tool and annular blind groove cutting machining method |
| CN117483851A (en) * | 2023-12-29 | 2024-02-02 | 成都和鸿科技股份有限公司 | Machining feed method for annular thin-wall part |
-
2019
- 2019-11-16 CN CN201921980083.XU patent/CN211052552U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744081A (en) * | 2019-11-16 | 2020-02-04 | 贵州黎阳国际制造有限公司 | Annular blind groove cutting tool and annular blind groove cutting machining method |
| CN110744081B (en) * | 2019-11-16 | 2024-06-14 | 贵州黎阳国际制造有限公司 | Annular blind groove cutting tool and annular blind groove cutting machining method |
| CN117483851A (en) * | 2023-12-29 | 2024-02-02 | 成都和鸿科技股份有限公司 | Machining feed method for annular thin-wall part |
| CN117483851B (en) * | 2023-12-29 | 2024-04-30 | 成都和鸿科技股份有限公司 | Machining feed method for annular thin-wall part |
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