CN208744192U - Drilling tool mounting base - Google Patents
Drilling tool mounting base Download PDFInfo
- Publication number
- CN208744192U CN208744192U CN201821215001.8U CN201821215001U CN208744192U CN 208744192 U CN208744192 U CN 208744192U CN 201821215001 U CN201821215001 U CN 201821215001U CN 208744192 U CN208744192 U CN 208744192U
- Authority
- CN
- China
- Prior art keywords
- attachment base
- bellmouth
- slide bar
- fixing seat
- friction plate
- 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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- Drilling And Boring (AREA)
Abstract
The utility model relates to power tools technology fields, disclose a kind of drilling tool mounting base, including attachment base and the fixing seat for being fixed on attachment base bottom, sliding cavity is equipped in attachment base, piston plate is slidably connected in sliding cavity, piston plate top is rotatably connected to the threaded rod for stretching out attachment base and being threadedly coupled with attachment base；The center of fixing seat is equipped with the bellmouth that upper diameter is less than lower diameter, is slidably connected in the circumferential side wall of bellmouth there are four friction plate, the top of friction plate is protruded into sliding cavity and is fixedly connected with piston plate；Four slide bars being located at below four friction plates are provided with along the circumferential direction of fixing seat, slide bar is slidably connected with fixing seat, slide bar is provided with the bracing wire that both ends are fixedly connected with slide bar and friction plate respectively between one end and corresponding friction plate of bellmouth, and slide bar can protrude into bellmouth close to one end of bellmouth.The utility model structure is simple, convenient to replace to bore cutter.
Description
Technical field
The utility model relates to power tools technology fields, and in particular to a kind of drilling tool mounting base.
Background technique
In the production process of motorcycle component, need to carry out drilling to the balance crankshaft of motorcycle or other crankshafts to go out
Hole.The tool that drilling is portalled is usually to use bore cutter, and bore cutter generally passes through mounting base and corresponding numerically-controlled machine tool or drilling machine
Specifically connected.
But in actual process, when bore cutter carries out drawbore to crankshaft, bore cutter and crankshaft carry out rigidity
Contact, bore cutter are easy to happen fracture, are so necessarily required to replace bore cutter.However, existing bore cutter and installation
The connection type of seat is that the bore cutter forced area by taper fit, after being broken can reduce, it is not easy to will out of mounting base
Bore cutter is extracted, and the working efficiency of installation will necessarily be so reduced.
Utility model content
The utility model is intended to provide a kind of drilling tool mounting base, with solve to be not easy after the fracture of existing bore cutter from
The problem of bore cutter is extracted in mounting base.
Drilling tool mounting base that achieve the above purpose, the technical solution of the present invention is:, including attachment base and fixation
Fixing seat in attachment base bottom, attachment base is interior to be equipped with sliding cavity, piston plate is slidably connected in sliding cavity, piston plate top turns
It is dynamic to be connected with the threaded rod for stretching out attachment base and being threadedly coupled with attachment base；
The center of fixing seat is equipped with the bellmouth that upper diameter is less than lower diameter, slides in the circumferential side wall of bellmouth
There are four friction plate, the top of friction plate is protruded into sliding cavity and is fixedly connected with piston plate for connection；
Four slide bars being located at below four friction plates are provided with along the circumferential direction of fixing seat, slide bar and fixing seat are sliding
Dynamic connection, slide bar, which is provided with both ends between one end and corresponding friction plate of bellmouth and fixes respectively with slide bar and friction plate, to be connected
The bracing wire connect, and slide bar can protrude into bellmouth close to one end of bellmouth.
The principles of the present invention and the utility model has the advantages that the mounting portion of bore cutter protrudes into bellmouth, bore cutter is rubbing
It will push friction plate under the action of power to slide towards piston plate, and bore cutter and bellmouth taper fit are clamped on bellmouth
It is interior.
During friction plate is moved towards piston plate, friction plate will drive bracing wire, and bracing wire can be with slide bar towards taper
Hole moves and protrudes into the mounting portion clamping in bellmouth by bore cutter.Friction plate also will push piston plate upward sliding, piston
Plate will push threaded rod and move upwards, and the screw thread of such threaded rod stretches out attachment base, and attachment base is facilitated to pass through threaded rod and numerical control
The driving part of lathe is attached.
If the case where encountering bore cutter fracture, the side for being directed away from bellmouth pulls slide bar, and slide bar can pass through bracing wire band
Dynamic friction plate slide downward, such friction plate can push down on the bore cutter of fracture, bore cutter so sent out bellmouth.We
Case carries out clamping to bore cutter by traditional taper fit, and slide bar is arranged in fixing seat, by slide bar come to drilling
Knife is clamped, so that bore cutter installation is more stable.By pulling slide bar, friction plate is pushed to release threaded rod
Bellmouth so facilitates installation and takes out bore cutter, to improve the working efficiency of bore cutter replacement and installation.
Further, four slideways are provided in fixing seat, four slide bars are located in corresponding slideway.Slide bar is arranged
In slideway, to be oriented to by slideway to slide bar, avoid slide bar that positional shift occurs, to avoid bore cutter stress
It is uneven.
Further, the buffering elastic that both ends are connect with piston plate and attachment base respectively is provided between piston plate and attachment base
Spring.Rigid contact occurs when bore cutter carries out drawbore to crankshaft, bore cutter is buffered by buffer spring, reduces
The probability of bore cutter fracture.
Further, the card slot positioned at threaded rod periphery is provided on attachment base.Attachment base is mounted on the driving of numerically-controlled machine tool
When on component, attachment base is limited by card slot, avoid attachment base during the work time with the driving portion of numerically-controlled machine tool
Part is detached from.
Further, corresponding threaded hole is set in attachment base and fixing seat.It is protruded into threaded hole by bolt, by attachment base
It is fixedly connected with fixing seat.
Further, slide bar is fixed with pulling plate far from one end of bellmouth.Hand-held part of the pulling plate as slide bar, it is convenient manually
Slide bar is pulled out out of bellmouth.
Detailed description of the invention
Fig. 1 is the overall structure top view of the utility model embodiment drilling tool mounting base；
Fig. 2 is the A direction view of Fig. 1；
Fig. 3 is the part B enlarged drawing of Fig. 1.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: attachment base 1, bolt 2, card slot 3, threaded rod 4, sliding cavity 5, fixing seat
6, pulling plate 7, slide bar 8, bracing wire 9, bore cutter 10, piston plate 11, slideway 12, friction plate 13, bellmouth 14, buffer spring 15.
Drilling tool mounting base, substantially as shown in attached drawing 1, attached drawing 2 and attached drawing 3, including attachment base 1 and positioned at attachment base 1
It being respectively provided on the fixing seat 6 of lower section, fixing seat 6 and attachment base 1 there are two threaded hole, threaded hole between the two corresponds to each other,
Fixing seat 6 and the corresponding threaded hole of attachment base 1 are passed through by bolt 2, and attachment base 1 and fixing seat 6 is fixed.
Be provided with sliding cavity 5 on attachment base 1, vertical sliding is connected with piston plate 11 in sliding cavity 5, piston plate 11 it is upper
Portion is rotatably connected to the threaded rod 4 for stretching out attachment base 1, and threaded rod 4 is threadedly coupled with attachment base 1, threaded rod 4 and attachment base 1 it
Between threaded connection it is not self-locking, specifically: the thread of threaded rod 4 be rectangle, and spiral angle be 55 °.4 periphery of threaded rod
The card slot 3 around threaded rod 4 is provided on attachment base 1.Threaded rod 4 can carry out key company with the driving part of numerically-controlled machine tool or drilling machine
It connects, and attachment base 1 is limited by card slot 3, avoid attachment base 1 that positional shift occurs during the work time.Piston plate
Buffer spring 15 is provided between 11 tops and attachment base 1,15 one end of buffer spring and attachment base 1 are fixed, buffer spring 15
The other end and piston plate 11 are rotatablely connected.
The bellmouth 14 for being provided centrally with upper diameter and being less than lower diameter in fixing seat 6, along the circumferential direction of bellmouth 14
It is arranged there are four the slide bar 8 that friction plate 13 and four are located at corresponding 13 lower section of friction plate, friction plate 13 can be along bellmouth 14
Side walls, slide bar 8 is slidably connected along the radial direction of bellmouth 14 with fixing seat 6.Four slide bars 8 are close to one end of bellmouth 14
It can protrude into bellmouth 14, four slide bars 8 stretch out fixing seat 6 far from one end of bellmouth 14 and the end is fixed with pulling plate 7.
Slide bar 8 is provided with bracing wire 9 between one end and corresponding friction plate 13 of bellmouth 14, and one end of bracing wire 9 is fixed
On corresponding slide bar 8, the other end of bracing wire 9 is fixed on corresponding friction plate 13, be additionally provided on the side wall of bellmouth 14 as
Attached sliding slot shown in FIG. 1, to facilitate bracing wire being capable of drawing friction plate 13.13 upper end of friction plate is protruded into sliding cavity 5 and rubs
13 upper end of plate is fixedly connected with piston plate 11.
In order to be oriented to four slide bars 8, slide bar 8 is accurately clamped to bore cutter 10, in fixation
Four slideways 12 are provided on seat 6, every slide bar 8 is located in corresponding slideway 12.
Specific implementation process is as follows:
Bore cutter 10 includes protruding into mounting portion in bellmouth 14 for the drilling portion of drilling and for the mounting portion of installation
The side wall of mounting portion is close to the side wall of bellmouth 14, and mounting portion is clamped in bellmouth 14 under the action of frictional force and is bored
Degree cooperation.
During protruding into bellmouth 14, rubbing action, and mounting portion occur mounting portion for mounting portion and friction plate 13
It will push 13 upward sliding of friction plate, 13 upward sliding of friction plate will push 11 upward sliding of piston plate, and piston plate 11 pushes spiral shell
4 upward sliding of rasp bar and the contraction of buffer spring 15 is squeezed, the screw thread of threaded rod 4 can stretch out attachment base 1.Threaded rod 4 passes through spiral shell
Line is connected on the driving part of numerically-controlled machine tool, and makes attachment base 1 and driving part firm, and threaded rod 4 can be at this time
11 upward sliding a distance of piston plate and piston plate 11 can squeeze buffer spring 15 is delayed when bore cutter 10 is by larger vibration
Bore cutter 10 can be buffered by rushing spring 15, and such piston plate 11 tenses bore cutter 10 by friction plate 13 again, and leads to
It crosses card slot 3 to limit attachment base 1, so that positional shift will not occur during the motion for attachment base 1.
During 13 upward sliding of friction plate, friction plate 13 can be tight by bracing wire 9, and friction plate 13 passes through bracing wire 9
Band moving slide-bar 8 is slided towards bellmouth 14, and slide bar 8 close to one end of bellmouth 14 by the mounting portion card of bore cutter 10
Tightly.
If encountering the fracture of bore cutter 10, threaded rod 4 is removed from the driving part of numerically-controlled machine tool, slide bar 8 is by bore cutter
10 clamping, the motive force of buffer spring 15 can not overcome 8 active force of slide bar and buffer spring 15 can not overcome bore cutter 10 with
Frictional force between bellmouth 14 avoids bore cutter 10 from being ejected bellmouth 14 and hurts operator.
Operator pulls slide bar 8 to be directed away from the direction sliding of bellmouth 14 by pulling plate 7, and slide bar 8 is in sliding process
Middle that bracing wire 9 is tight, slide bar 8 is pulled friction plate 13 by bracing wire 9, so that bore cutter 10 is released taper by friction plate 13
Hole 14 so facilitates the replacement of bore cutter 10, and at this time piston plate 11 with 13 slide downward of friction plate, piston plate 11 with
Threaded rod 4 is extend into sliding cavity 5, reduces air to the thread oxidation of threaded rod 4.
The above are merely preferred embodiments of the present invention, it is noted that for those skilled in the art,
Without departing from the concept of the premise utility, several modifications and improvements can also be made, these also should be considered as practical
Novel protection scope, these all will not influence the effect and patent practicability of the utility model implementation.The utility model institute
The technology, shape, construction portion for omitting description are well-known technique.
Claims (6)
1. drilling tool mounting base, it is characterised in that: including attachment base and the fixing seat for being fixed on attachment base bottom, in attachment base
Equipped with sliding cavity, piston plate is slidably connected in sliding cavity, piston plate top, which is rotatably connected to, stretches out attachment base and and attachment base
The threaded rod of threaded connection；
The center of fixing seat is equipped with the bellmouth that upper diameter is less than lower diameter, is slidably connected in the circumferential side wall of bellmouth
There are four friction plate, the top of friction plate is protruded into sliding cavity and is fixedly connected with piston plate；
Four slide bars being located at below four friction plates, slide bar and the fixing seat company of sliding are provided with along the circumferential direction of fixing seat
It connects, slide bar is provided with what both ends were fixedly connected with slide bar and friction plate respectively between one end and corresponding friction plate of bellmouth
Bracing wire, and slide bar can protrude into bellmouth close to one end of bellmouth.
2. drilling tool mounting base according to claim 1, it is characterised in that: it is provided with four slideways in fixing seat, four
Root slide bar is located in corresponding slideway.
3. drilling tool mounting base according to claim 2, it is characterised in that: be provided with two between piston plate and attachment base
Hold the buffer spring connecting respectively with piston plate and attachment base.
4. drilling tool mounting base according to claim 3, it is characterised in that: be provided with outside threaded rod on attachment base
The card slot in week.
5. drilling tool mounting base according to claim 4, it is characterised in that: be arranged on attachment base and fixing seat corresponding
Threaded hole.
6. drilling tool mounting base described in any one according to claim 1~5, it is characterised in that: slide bar is far from bellmouth
One end be fixed with pulling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215001.8U CN208744192U (en) | 2018-07-28 | 2018-07-28 | Drilling tool mounting base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821215001.8U CN208744192U (en) | 2018-07-28 | 2018-07-28 | Drilling tool mounting base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208744192U true CN208744192U (en) | 2019-04-16 |
Family
ID=66059032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821215001.8U Expired - Fee Related CN208744192U (en) | 2018-07-28 | 2018-07-28 | Drilling tool mounting base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208744192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571271A (en) * | 2020-05-28 | 2020-08-25 | 徐勤彬 | Structure is changed to aluminum alloy numerical control processing tool bit |
-
2018
- 2018-07-28 CN CN201821215001.8U patent/CN208744192U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571271A (en) * | 2020-05-28 | 2020-08-25 | 徐勤彬 | Structure is changed to aluminum alloy numerical control processing tool bit |
| CN111571271B (en) * | 2020-05-28 | 2021-10-26 | 广州金炎达机械设备有限公司 | Structure is changed to aluminum alloy numerical control processing tool bit |
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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 |
Granted publication date: 20190416 Termination date: 20200728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |