CN204770959U - Chamfering tool - Google Patents
Chamfering tool Download PDFInfo
- Publication number
- CN204770959U CN204770959U CN201520286904.5U CN201520286904U CN204770959U CN 204770959 U CN204770959 U CN 204770959U CN 201520286904 U CN201520286904 U CN 201520286904U CN 204770959 U CN204770959 U CN 204770959U
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- cutter head
- side direction
- chamfering
- bar
- chamfer
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Abstract
The utility model discloses a chamfering tool, includes the cutter arbor, establishes last counter bore on the cutter arbor up end, establish lower counter bore under the cutter arbor on the terminal surface and with go up the communicating exhaust port down of counter bore, establish cutter arbor side and with descend the communicating side direction screw of counter bore, establish down the installation pole of the tool bit in the counter bore and tool bit chamfer pole that tool bit installation pole is connected, establish side direction on the tool bit chamfer pole is protruding, establish last chamfer face in the side direction arch reaches lower chamfer face and establishes be used for in the side direction screw with the fastening of tool bit installation pole is in fastening screw in the lower counter bore. The utility model discloses simple structure, the preparation is convenient, can remedy the two -sided chamfering tool's of at present little spot facing work blank, satisfies the demand of the two -sided chamfer in part hole, and the chamfer quality is controllable, the big I freedom adjustment of chamfer, mounting adjustment is convenient quick, and the installation accuracy is high, and machining efficiency is high.
Description
Technical field
The utility model relates to technical field of bearing processing, particularly a kind of chamfering tool.
Background technology
Bearing parts is the same with a lot of through-hole parts, after carrying out Drilling operation, can leave burr in through hole both sides, for this reason, needs to carry out chamfering at the two ends of through hole.
Such as number of patent application is that the Chinese utility model patent of CN201320022825.4 discloses a kind of two-way aperture chamfering tool, comprise cutter head, knife bar, back-up ring, circle pile crown soket head cap screw, one end of handle is provided with knife bar, the front end of knife bar is provided with cutter head, be provided with back-up ring in the rear end of knife bar, back-up ring is provided with adjustment circle pile crown soket head cap screw.But this cutter has obvious shortcoming:
1. working (machining) efficiency is low, usual this cutter rotating speed and feeding lower, be applicable to manual bench drill and use, machining center uses, and efficiency is wasted very much;
2. chamfering angle size is difficult to control, and this cutter can only meet the demand of deburring, if chamfering angle size has strict restriction, adjustment gets up to bother very much, and chamfering angle size is by the impact of rotating speed feeding;
3. be squeezed and affect internal surface of hole compromised quality, the hole that precision is high can only use before tapping, fraising or right boring; Excessive to quality influence between the method, the craft processing for common single-piece or a small amount of part is applicable to, but is not suitable for the production occasion of machining center high-speed high-quality amount requirement.
Utility model content
The purpose of this utility model is to provide a kind of chamfering tool, the deficiencies in the prior art part can be overcome, its structure is simple, easy to make, can make up the blank of now little hole machined Double-side rounding cutter, meet the demand of hole in piece part Double-side rounding, chamfer quality is controlled, and chamfering angle size can freely adjust, mounting and adjusting fast and easy, installation accuracy is high, and working (machining) efficiency is high.
Above-mentioned technical purpose of the present utility model is achieved by the following technical programs: a kind of chamfering tool, comprise knife bar, be located at the upper counterbore on described knife bar upper surface, the lower tap being located at the lower counterbore on described knife bar lower surface and communicating with described upper counterbore, be located at the side direction screw that described knife bar side also communicates with described lower counterbore, be located at the cutter head mounting rod in described lower counterbore, the cutter head chamfering bar be connected with described cutter head mounting rod, be located at the lateral protrusions on described cutter head chamfering bar, be located at upper fillet surface and the lower fillet surface in described lateral protrusions and be located in described side direction screw for described cutter head mounting rod being fastened on the holding screw in described lower counterbore.
As preferably, between described cutter head mounting rod and described cutter head chamfering bar, there is eccentric throw.
As preferably, between described knife bar and described lower counterbore, there is eccentric throw.
As preferably, described upper fillet surface, lower fillet surface and lower tap are positioned at described cutter head chamfering bar homonymy.
First such setting is that the cooling medium being convenient to flow out from lower evacuation aperture is flushed on upper fillet surface, lower fillet surface, ensures cooling effect, secondly, is located at and is conducive to balancing cutter in the same side, reduce cutting vibration, improve cutter life.
As preferably, described cutter head chamfering bar cross section is circular, and the cross section of described lower counterbore and cutter head mounting rod be ellipse.
As preferably, described cutter head mounting rod is provided with side direction securing plane corresponding with described holding screw position.
The setting of side direction securing plane, first its convenient operation personnel install, when installation, operating personnel are very clear, can prevent the situation that direction is anti-loaded, secondly, compress side direction securing plane with holding screw, installation can be allowed more fastening, and installation accuracy is higher.
As preferably, the side that described cutter head chamfering bar is relative with described side direction securing plane is provided with runs through described cutter head chamfering bar upper and lower end face and the shaft orientation opening groove forming lateral protrusions.
As preferably, described knife bar lower end is provided with side direction calibration plane, and described side direction screw is located in described side direction calibration plane.
As preferably, the eccentric throw between described cutter head mounting rod and described cutter head chamfering bar is 0.8-2mm.
As preferably, the eccentric throw between described lower counterbore and described knife bar is 1-2.5mm.
In sum, the utility model has following beneficial effect:
1, the utility model cutter adopts Split type structure, cutter head mounting rod and knife bar are two style structure, can change when needs, and it is high to repeat installation accuracy, the cutter head mounting rod of same size can not repeat tool setting, for the cutter head mounting rod changed, can carry out secondary reconditioning to upper chamfer plane and lower chamfer plane, improve stock utilization, save cost.
2, structure is simple, and easy to make, can make up the blank of now little hole machined Double-side rounding cutter, meet the demand of hole in piece part Double-side rounding, chamfer quality is controlled, and chamfering angle size can freely adjust, mounting and adjusting fast and easy, and installation accuracy is high, and working (machining) efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is the structural representation of knife bar in the utility model;
Fig. 3 is the connection diagram of cutter head mounting rod and cutter head chamfering bar in the utility model;
Fig. 4 is the B-B sectional view in Fig. 3.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this description, as long as but be all subject to the protection of Patent Law in right of the present utility model.
Embodiment 1: as Fig. 1, 2, 3, shown in 4, a kind of chamfering tool, comprise knife bar 1, be located at the upper counterbore 101 on described knife bar 1 upper surface, the lower tap 103 being located at the lower counterbore 102 on described knife bar 1 lower surface and communicating with described upper counterbore, be located at the side direction screw 104 that described knife bar 1 side also communicates with described lower counterbore 102, be located at the cutter head mounting rod 2 in described lower counterbore 102, the cutter head chamfering bar 3 be connected with described cutter head mounting rod 2, be located at the lateral protrusions 4 on described cutter head chamfering bar 3, be located at upper fillet surface 5 and the lower fillet surface 6 in described lateral protrusions 4 and be located in described side direction screw 104 for described cutter head mounting rod 3 being fastened on the holding screw 7 in described lower counterbore 102, knife bar 1 is cylinder, cutter head mounting rod and cutter head chamfering bar integrally welded or one-body molded, both constitute cutter head, cutting coolant in lower evacuation aperture is lowered the temperature to cutter head, especially contact with upper fillet surface 5 and lower fillet surface 6, the angle of upper fillet surface 5 and lower fillet surface 6 is determined according to actual needs, and cutter head mounting rod is fixed in lower counterbore by trip bolt 7, prevents cutter head mounting rod from rocking.
Meanwhile, described cutter head mounting rod 2 and described cutter head chamfering bar 3 are all circular pins, and the axial line of cutter head mounting rod 2 and described cutter head chamfering bar 3 is parallel to each other, and does not overlap, and has eccentric throw between the two, and the value of eccentric throw is 0.8-2.0mm, are wherein good with 1mm.Described upper counterbore 101 and described lower counterbore 102 are circular port, and have eccentric throw between lower counterbore 102 and knife bar, and eccentric throw numerical value is 0.8-2.5mm, wherein, are good with 1mm.
Meanwhile, described cutter head mounting rod 2 is provided with and the corresponding side direction securing plane 8 in described holding screw 7 position, and side direction securing plane 8 and trip bolt coordinate, and cutter head mounting rod is securely fixed, meanwhile, is also convenient to the Fast Installation of cutter head mounting rod.
The formation of lateral protrusions 4, in the present embodiment, offer the shaft orientation opening groove 9 running through described cutter head chamfering bar 3 upper and lower end face in the side that cutter head chamfering bar 3 is relative with described side direction securing plane 8, a lateral protrusions 4 is just defined like this on cutter head mounting rod 3, carry out clinoplain processing at the upper and lower two ends of lateral protrusions, just define fillet surface and lower fillet surface.
Described knife bar 1 lower end is provided with side direction calibration plane 10, and described side direction screw 104 is located in described side direction calibration plane 10.Being located at of side direction calibration plane 10, when in use, good for connection cutter of the present utility model is inserted collet chuck, range estimation makes the side direction calibration plane 10 on knife bar parallel with lathe X-axis or Y-axis, then the nut a little firmly tightened on handle of a knife does not allow cutter fall down, then table centering is beaten with dial gauge: the side direction calibration plane 10 on table point contact knife bar, the X of mobile machine tool or Y-axis, see indicator hunting range, adjustment knife bar, make indicator hunting range at setting, the nut then on complete locking knife handle.
Embodiment 2, the cross section of described lower counterbore 102 and cutter head mounting rod 2 is oval, and cutter head mounting rod 3 cross section is circular, and all the other are with embodiment 1.
Claims (9)
1. a chamfering tool, it is characterized in that: comprise knife bar (1), be located at the upper counterbore (101) on described knife bar (1) upper surface, the lower tap (103) being located at the lower counterbore (102) on described knife bar (1) lower surface and communicating with described upper counterbore, be located at the side direction screw (104) that described knife bar (1) side also communicates with described lower counterbore (102), be located at the cutter head mounting rod (2) in described lower counterbore (102), with the cutter head chamfering bar (3) that described cutter head mounting rod (2) is connected, be located at the lateral protrusions (4) on described cutter head chamfering bar (3), be located at upper fillet surface (5) and the lower fillet surface (6) in described lateral protrusions (4) and be located in described side direction screw (104) for described cutter head mounting rod (2) being fastened on the holding screw (7) in described lower counterbore (102).
2. a kind of chamfering tool according to claim 1, is characterized in that: have eccentric throw between described cutter head mounting rod (2) and described cutter head chamfering bar (3).
3. a kind of chamfering tool according to claim 1, is characterized in that: have eccentric throw between described lower counterbore (102) and described knife bar (1).
4. a kind of chamfering tool according to claim 1, is characterized in that: described cutter head chamfering bar (3) cross section is for circular, and the cross section of described lower counterbore (102) and cutter head mounting rod (2) is oval.
5. a kind of chamfering tool according to claim 1 or 2 or 3 or 4, is characterized in that: described cutter head mounting rod (2) is provided with the corresponding side direction securing plane (8) with described holding screw (7) position.
6. a kind of chamfering tool according to claim 5, is characterized in that: described cutter head chamfering bar (3) side relative with described side direction securing plane (8) is provided with runs through described cutter head chamfering bar (3) upper and lower end face and the shaft orientation opening groove (9) forming lateral protrusions (4).
7. a kind of chamfering tool according to claim 5, is characterized in that: described knife bar (1) lower end is provided with side direction calibration plane (10), and described side direction screw (104) is located on described side direction calibration plane (10).
8. a kind of chamfering tool according to claim 2, is characterized in that: the eccentric throw between described cutter head mounting rod (2) and described cutter head chamfering bar (3) is 0.8-2mm.
9. a kind of chamfering tool according to claim 3, is characterized in that: the eccentric throw between described lower counterbore (102) and described knife bar (1) is 1-2.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520286904.5U CN204770959U (en) | 2015-05-06 | 2015-05-06 | Chamfering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520286904.5U CN204770959U (en) | 2015-05-06 | 2015-05-06 | Chamfering tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204770959U true CN204770959U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520286904.5U Active CN204770959U (en) | 2015-05-06 | 2015-05-06 | Chamfering tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204770959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270801A (en) * | 2016-10-20 | 2017-01-04 | 重庆跃进机械厂有限公司 | The processing method of two endoporus intersection chamferings |
-
2015
- 2015-05-06 CN CN201520286904.5U patent/CN204770959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270801A (en) * | 2016-10-20 | 2017-01-04 | 重庆跃进机械厂有限公司 | The processing method of two endoporus intersection chamferings |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |