CN208214417U - A kind of drill bushing equipment suitable for ladder hole machined - Google Patents
A kind of drill bushing equipment suitable for ladder hole machined Download PDFInfo
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- CN208214417U CN208214417U CN201820571233.0U CN201820571233U CN208214417U CN 208214417 U CN208214417 U CN 208214417U CN 201820571233 U CN201820571233 U CN 201820571233U CN 208214417 U CN208214417 U CN 208214417U
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- movable guide
- tool apron
- guide bush
- drill bit
- drill
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Abstract
The utility model discloses a kind of drill bushing equipment suitable for ladder hole machined, belong to field of machining, it passes through setting tool apron and drill bit, and it is correspondingly arranged movable guide bush, the collet fixed for drill bit and the fixing sleeve fixed for movable guide bush, drill bit is arranged in one end of tool apron, and there is positioning to cooperate section with the guidance of guiding function for the corresponding setting on movable guide bush, and the processing of drill bit completion screw via hole is guided by guidance cooperation section.The utility model is suitable for the drill bushing equipment of ladder hole machined, its structure is simple, it is easy to operate, the machining accuracy of screw mounting hole can be effectively ensured, promote the processing efficiency of screw mounting hole, the use for reducing drill bushing and drill jig, reduces the processing cost of screw mounting hole, has fabulous application and popularization value.
Description
Technical field
The utility model belongs to field of machining, and in particular to a kind of drill bushing equipment suitable for ladder hole machined.
Background technique
In field of machining, screw mounting hole using very extensive, it is in the fixation, installation of each type component to have more
Be related to, as aluminum alloy part application process in.Under normal circumstances, screw mounting hole is often by the screw via hole of middle and back with before
The screw counter sink at end forms shoulder hole structure, and the processing of screw mounting hole also tends to be by table and interior piecewise processing, such as first
The screw counter sink of the treatment of surfaces of components, then the processing for completing screw via hole is positioned with this；And in the processed of screw mounting hole
Cheng Zhong often causes screw via size unqualified or the fracture of type core needle, so that screw mounting hole due to mold
Processing it is unqualified or processing failure, at this time, it usually needs screw via hole is repaired by mach mode.Existing
Have in technology, above-mentioned repair process generally requires to make dedicated bushing plate and drill bushing to be relocated and be processed, drill jig
Plate and drill bushing generally require to be correspondingly arranged, less reproducible, be many times it is disposable just cancel, so aforesaid way is not
It can only take a substantial amount of time and labour, influence the processing efficiency of screw mounting hole, it can also be due to the repetition of drill jig and drill bushing
Usability difference causes biggish waste, is unfavorable for the reduction of screw mounting hole processing cost and the promotion of processing efficiency, have compared with
Big limitation.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of suitable for ladder hole machined
Drill bushing equipment, by the way that drill bit to be arranged in one end of tool apron, and be correspondingly arranged with guidance cooperation section movable guide bush, lead to
Guidance cooperation section is crossed in the positioning of screw counter sink, guidance drill bit completes the processing of screw via hole, compared to existing technologies,
The use for effectively reducing drill jig and drill bushing greatly promotes screw mounting hole while guaranteeing screw mounting hole machining accuracy
Processing efficiency reduces the waste of the inputs and resources of processing cost.
To achieve the above object, the utility model provides a kind of drill bushing equipment suitable for ladder hole machined, for completing
The processing of stepped hole with screw counter sink and screw via hole, including tool apron and drill bit, which is characterized in that
The tool apron is multi-diameter shaft, and the drill bit coaxial arrangement is in one end of the tool apron, and the corresponding drill bit is arranged
Have a movable guide bush, the movable guide bush can correspond to be set in the tool apron be equipped with the drill bit one end and can be in the tool apron
Periphery on moved along axial reciprocating, the front end of the movable guide bush, which is provided with, to draw with the screw counter sink position matching
Cooperation section is led, the drill bit coaxially passes through the brill that the guidance cooperation Duan Bingke completes the screw via hole under its orientation direction
Hole machined.
One end that the movable guide bush is set on the tool apron periphery as a further improvement of the utility model, is coaxial
It is provided with spring, the spring and the movable guide bush coaxial sleeve are set on the periphery of the tool apron and the ladder with the tool apron
Step abuts.
The movable guide bush is corresponded to as a further improvement of the utility model, and is provided with fixing sleeve, and the fixing sleeve is same
Axle sleeve is located at the movable guide bush periphery and is fixedly connected on the periphery of the tool apron with a side end, and the movable guide bush
One end can be moved a certain distance in the fixing sleeve along the tool apron axial reciprocating.
The guidance cooperation section is that outer end diameter is smaller and internal diameter is gradually increased as a further improvement of the utility model,
Cone shaped structure.
Guidance cooperation section is that size is optional and can be in the movable guide bush as a further improvement of the utility model,
The standard component of front end handling.
The end that the tool apron is used to install the drill bit as a further improvement of the utility model, coaxially offers outer
Side internal diameter is larger and is in the blind hole of taper type, and the corresponding drill bit is provided with collet in the blind hole, and the drill bit can correspond to slotting
Enter in the collet and be fixedly clamped by it, correspondingly, the corresponding collet is provided with locking nut, and coaxial sleeve is set to setting
There is the tool apron end of the collet and is threadedly coupled.
Washer is provided between the movable guide bush and the spring as a further improvement of the utility model,.
In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following
Beneficial effect:
(1) the drill bushing equipment suitable for ladder hole machined of the utility model, by the way that drill bit is arranged in the one of tool apron
End, and it is correspondingly arranged the movable guide bush with guidance cooperation section, by guiding cooperation section in the positioning of screw counter sink, guidance is bored
The processing that head completes screw via hole effectively reduces the use of drill jig and drill bushing compared to existing technologies, is guaranteeing screw
While mounting hole machining accuracy, the processing efficiency of screw mounting hole is greatly improved, reduces the investment and money of processing cost
The waste in source；
(2) the drill bushing equipment suitable for ladder hole machined of the utility model, by the way that cooperation section will be guided to be set as boring
Mesa-shaped and/or will guidance cooperation section be set as dismountable standard component, be then suitable for the quick of sizes screw mounting hole
Processing further promotes the processing efficiency of screw mounting hole, promotes the compatibility of drill bushing equipment；
(3) the drill bushing equipment suitable for ladder hole machined of the utility model, structure is simple, easy to operate, can be effective
The machining accuracy for guaranteeing screw mounting hole promotes the processing efficiency of screw mounting hole, reduces the use of drill bushing and drill jig, reduces spiral shell
The processing cost of mounting hole is followed closely, there is fabulous application and popularization value.
Detailed description of the invention
Fig. 1 is the overall structure diagram in the utility model embodiment suitable for the drill bushing equipment of ladder hole machined；
In all the appended drawings, same appended drawing reference indicates identical technical characteristic, specifically: 1. tool aprons, 2. fixing sleeves,
3. collet, 4. movable guide bushs, 5. drill bits, 6. locking nuts, 7. washers, 8. springs.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As long as in addition, technical characteristic involved in the various embodiments of the present invention described below each other it
Between do not constitute conflict and can be combined with each other.
The drill bushing equipment suitable for ladder hole machined in the preferred embodiment in the utility model is as shown in fig. 1 comprising
Tool apron 1, fixing sleeve 2, movable guide bush 4 and drill bit 5.And specifically, it is preferable to the tool apron 1 in embodiment is multisection type multi-diameter shaft form,
One end is the installing handle that may be mounted on drilling machine, and the other end is the processing end of Matching installation movable guide bush 4 and drill bit 5；Into one
Step, the drill bit 5 in preferred embodiment can be coaxially mounted on the processing end of tool apron 1, and installation form can match for screw thread
Connection, clamping hoop type connection or clamped-in style connection etc..
It is further preferred that the drill bit 5 in preferred embodiment connect with the processing end of tool apron 1 clamped-in style by way of
Match, coaxially offers the biggish taper type blind hole of inner end diameter in the end at processing end, correspondence is equipped with collet in the blind hole
3, collet 3 is two parts composition being oppositely arranged, and is reserved with the gap of one fixed width between two parts and offers accommodating drill bit 5
The mounting hole of end, as shown in fig. 1, the end of drill bit 5 can correspond in the mounting hole on insertion collet 3, and be existed by collet 3
The side reduced to internal diameter in taper type blind hole is mobile and clamps the end of drill bit 5, so that the end for completing drill bit 5 is solid
It is fixed, clamping or releasing for drill bit 5 can be fast implemented by movement of the collet 3 in blind hole, complete drill bit 5 quick-replaceable and
Assembly；It is passed through further, it is preferable to correspond to collet 3 in embodiment and offered in the middle part of the end of tool apron 1 is provided with for drill bit 5
Through-hole locking nut 6, be threadedly coupled with the end of tool apron 1, the limit for collet 3 and the depth zone by precession
Dynamic collet 3 moves in taper type blind hole, then clamps one end of drill bit 5.
Further, as shown in fig. 1, one end of movable guide bush 4 is provided with guidance cooperation section, drawing in preferred embodiment
Leading cooperation section is the round tube shape structure with certain size, and the outer diameter of round tube shape structure is to opposite with screw counter sink
It answers, to guide the flexible processing of drill bit 5；Further, after one end of drill bit 5 is fixed on tool apron 1, the other end be may pass through
Guidance cooperation section, and the movable guide bush 4 in preferred embodiment can coaxial sleeve be set on the periphery of tool apron 1, and can be in the outer of tool apron 1
Slide axially certain distance on week, so that the opposite back-and-forth motion for realizing drill bit 5 in guidance cooperation section, completes screw via hole
Processing；It is further preferred that may be configured as front end external diameter smaller for the guidance cooperation section in preferred embodiment, and outer diameter gradually increases
Big cone shaped structure, to be adapted to the processing of various sizes of screw mounting hole；Certainly, the guidance of 4 front end of movable guide bush is matched
Closing section may be configured as dismountable standard component, and the guidance cooperation section for providing sizes is available, is completed with this to correspond to
The processing of the screw mounting hole of sizes improves the compatibility of drill bushing equipment.
Further, it is preferable to the end of the movable guide bush 4 in embodiment is coaxially arranged with spring 8, it can be with movable guide bush 4
It is set in the end of tool apron 1 together, and the both ends of spring 8 abut formed on the end and multisection type tool apron 1 of movable guide bush 4 respectively
Step at, then movable guide bush 4 can be moved back and forth in the end of tool apron 1 along axis, and realization activity under the action of spring 8
The return of guide sleeve 4；It is further preferred that movable guide bush 4 is fixed on the ladder shaft part of tool apron 1 by fixing sleeve 2, fixing sleeve 2
Coaxial sleeve can be corresponded on the periphery of movable guide bush 4, and be correspondingly arranged on limited step structure between the two, so that fixing sleeve
2 from one end of movable guide bush 4 be arranged it is upper after will not fall off from the other end, can then realize the limit and fixation of movable guide bush 4, and
The other end of fixing sleeve 2 is provided with internal screw thread, and corresponds on corresponding 1 periphery of tool apron and offer external screw thread, completes fixing sleeve 2
Fixation on 1 periphery of tool apron；It is further preferred that being connected in movable guide bush 4 between the end of tool apron 1 and the end of spring 8
It is provided with washer 7, guarantees that the movement of movable guide bush 4 can accurately in place.
The drill bushing equipment suitable for ladder hole machined in the preferred embodiment in the utility model is in use, tool apron 1 is deviated from
One end of drill bit 5 is fixed on drilling machine, then by the screw of guidance the cooperation section and screw mounting hole to be processed of movable guide bush 4
Counter sink is correspondingly embedded in wherein to just, and section provides orientation direction for the processing of drill bit 5 with guidance, then pushes drill bit
5,4 compressed spring 8 of movable guide bush and it is opposite bounce back so that drill bit 5 starts drilling processing after being depressed into certain position, complete drilling
After processing, 1 return of tool apron, return under the action of spring 8 of movable guide bush 4 waits for the processing in next hole.
The drill bushing equipment suitable for ladder hole machined in the utility model, by the way that drill bit to be arranged in one end of tool apron,
And it is correspondingly arranged the movable guide bush with guidance cooperation section, by guidance cooperation section in the positioning of screw counter sink, guide drill bit
Complete the processing of screw via hole, above-mentioned setting form can effectively ensure that the contraposition machining accuracy of screw mounting hole, reduce drill jig and
The use of drill bushing improves the processing efficiency of screw mounting hole, reduces the investment of processing cost, has fabulous popularization and application valence
Value.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of drill bushing equipment suitable for ladder hole machined, for completing the stepped hole with screw counter sink and screw via hole
Processing, including tool apron (1) and drill bit (5), which is characterized in that
The tool apron (1) is multi-diameter shaft, and drill bit (5) coaxial arrangement corresponds to the drill bit in one end of the tool apron (1)
(5) it is provided with movable guide bush (4), the movable guide bush (4), which can correspond to, to be set in the tool apron (1) and be equipped with the drill bit (5)
One end and can be moved on the periphery of the tool apron (1) along axial reciprocating, the front end of the movable guide bush (4) is provided with can be with
The guidance of the screw counter sink position matching cooperates section, and the drill bit (5) coaxially passes through guidance cooperation Duan Bingke at it
The drilling processing of the screw via hole is completed under orientation direction.
2. the drill bushing equipment according to claim 1 suitable for ladder hole machined, wherein the movable guide bush (4) is arranged
One end on the tool apron (1) periphery is coaxially arranged with spring (8), the spring (8) and the movable guide bush (4) coaxial sleeve
It is abutted on the periphery of the tool apron (1) and with the stair-step of the tool apron (1).
3. the drill bushing equipment according to claim 1 or 2 suitable for ladder hole machined, wherein the corresponding movable guide bush
(4) it is provided with fixing sleeve (2), the fixing sleeve (2) is coaxially set in the movable guide bush (4) periphery and is fixed with a side end
It is connected on the periphery of the tool apron (1), and one end of the movable guide bush (4) can be in the fixing sleeve (2) along the knife
Seat (1) axial reciprocating moves a certain distance.
4. the drill bushing equipment according to claim 1 or 2 suitable for ladder hole machined, wherein guidance cooperation section is
The cone shaped structure that outer end diameter is smaller and internal diameter is gradually increased.
5. the drill bushing equipment according to claim 1 or 2 suitable for ladder hole machined, wherein guidance cooperation section is
Size is optional and can be in the standard component of the movable guide bush (4) front end handling.
6. the drill bushing equipment according to claim 1 or 2 suitable for ladder hole machined, wherein the tool apron (1) is for pacifying
The end for filling the drill bit (5) coaxially offers that outside internal diameter is larger and be in the blind hole of taper type, and the corresponding drill bit (5) is at this
It being provided in blind hole collet (3), the drill bit (5) can correspond in the insertion collet (3) and is fixedly clamped by it, correspondingly,
The corresponding collet (3) is provided with locking nut (6), and coaxial sleeve is provided with the tool apron (1) end of the collet (3)
Portion is simultaneously threadedly coupled.
7. the drill bushing equipment according to claim 2 suitable for ladder hole machined, wherein the movable guide bush (4) with
Washer (7) are provided between the spring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820571233.0U CN208214417U (en) | 2018-04-20 | 2018-04-20 | A kind of drill bushing equipment suitable for ladder hole machined |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820571233.0U CN208214417U (en) | 2018-04-20 | 2018-04-20 | A kind of drill bushing equipment suitable for ladder hole machined |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208214417U true CN208214417U (en) | 2018-12-11 |
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ID=64511982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820571233.0U Active CN208214417U (en) | 2018-04-20 | 2018-04-20 | A kind of drill bushing equipment suitable for ladder hole machined |
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| Country | Link |
|---|---|
| CN (1) | CN208214417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769675A (en) * | 2022-06-07 | 2022-07-22 | 中国航发成都发动机有限公司 | Hole making device and hole making method |
-
2018
- 2018-04-20 CN CN201820571233.0U patent/CN208214417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769675A (en) * | 2022-06-07 | 2022-07-22 | 中国航发成都发动机有限公司 | Hole making device and hole making method |
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