CN205415215U - Drill point automatic clamping device - Google Patents
Drill point automatic clamping device Download PDFInfo
- Publication number
- CN205415215U CN205415215U CN201620257068.2U CN201620257068U CN205415215U CN 205415215 U CN205415215 U CN 205415215U CN 201620257068 U CN201620257068 U CN 201620257068U CN 205415215 U CN205415215 U CN 205415215U
- Authority
- CN
- China
- Prior art keywords
- drill point
- outer shaft
- rear end
- collet chuck
- interior axle
- 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 relates to a drill point automatic clamping device, it includes: the outer axle of normal running fit on a casing, slide for outer in the interior axial direction through -hole of wearing to locate outer axle and between two extreme position, outer axle is suitable for with interior axle synchronous rotatoryly around the central line, collet chuck sliding fit is in the central through hole, the clamping jaw of collet chuck cooperates to come the tight drill point of clamp with the front end opening of central through hole, the front end of interior axle and the rear end fixed connection of collet chuck, the rear end of interior axle stretch out outer axle and establish with the cover including the spring rear end fixed connection of off -axial side, the front end of spring and the rear end fixed connection of outer axle, the spring is in compression state all the time, make collet chuck self -holding drill point under the effect of spring, need not external hydraulic pressure or gas pressure action power for its structure is compacter, and the volume is littleer, when needs unclamp the drill point, only need to move when setting for the position when interior axle, give an interior axle effort, axle external axle removal mutually in making by drive arrangement to loosen the collet chuck.
Description
Technical field
This utility model relates to a kind of drill point automatic clamping device, is installed in drill point grinding device, automatically fills drill point and hold.
Background technology
Drill point clamping device in existing drill point grinding device, typically using opening of cylinder, motor or Driven by Hydraulic Cylinder jaw to close, thus clamp drill point or unclamp drill point, its structure is complicated, make the quality of clamping device, volume relatively big, be unfavorable for the most mobile of clamping device or rotate.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of drill point automatic clamping device that can clamp drill point voluntarily.
In order to solve above-mentioned technical problem, this utility model provides a kind of drill point automatic clamping device, comprising: the outer shaft being rotatably assorted on a housing, slide relative to outer shaft in interior axle is arranged in the axial central through hole of outer shaft and between two limit positions, collet chuck is snug fit in central through hole, the jaw of collet chuck coordinates with the front opening of central through hole and clamps drill point, outer shaft is suitable to and interior axle, drill point synchronizes to rotate around centrage, interior axle is fixing with collet chuck to be connected, outer shaft is stretched out in the rear end of interior axle, the compression spring elasticity being sheathed on interior shaft rear end connects the rear end of interior axle and the rear end of outer shaft.
Being additionally provided with the gag lever post being fixedly linked with outer shaft in the central through hole of described outer shaft, the front portion of gag lever post is arranged in collet chuck, when drill point through collet chuck time, the front end of gag lever post be suitable to prop up the end of drill point.
The rear end fixed cover of described outer shaft is provided with the first belt wheel, and the lower section of described housing is provided with motor, the rotor of motor is fixedly connected with the second belt wheel, the first belt wheel and the second belt wheel and is in transmission connection by conveyer belt.
The rear end of described interior axle is fixedly connected with a latch segment, and the front end of described spring is pressed against on the rear end face of outer shaft, and the rear end of spring is pressed against on the front side wall of latch segment.
Relative to prior art, what this utility model had has the technical effect that
(1) the drill point automatic clamping device in this utility model, makes collet chuck Automatic-clamping drill point under the action of the spring, it is not necessary to extraneous hydraulic pressure or gas pressure power so that its more compact structure, volume is less；When needs unclamp drill point, it is only necessary to when interior axle moves to setting position, driving means give interior axle one active force, make interior axle move relative to outer shaft, thus unclamp collet chuck.
(2) length of described gag lever post and fixing relative to the position of outer shaft, can make drill point the most spacing after loading collet chuck.
(3) motor is by the second belt wheel, the first belt wheel and belt-driven outer shaft, interior axle and drill point synchronous rotary, so that drill point can preferably be ground.
Accompanying drawing explanation
In order to understand explanation innovative principle of the present utility model and the technical advantage compared to existing product thereof, by the limiting examples applying described principle, possible embodiment is described below by way of accompanying drawing.In the drawings:
Fig. 1 is the three-dimensional installation diagram of drill point automatic clamping device of the present utility model；
Fig. 2 is the tomograph of the drill point automatic clamping device in this utility model；
Fig. 3 is the tomograph of the outer shaft in this utility model；
Fig. 4 is drill point automatic clamping device profile of the present utility model.
Detailed description of the invention
As Figure 1-4, drill point automatic clamping device of the present utility model, including: housing 1, rear end cap 2, drive end bearing bracket 3, outer shaft 4, interior axle 5, clutch shaft bearing 6, second bearing 7, the first latch segment 8, the second latch segment 9, pin 10, gag lever post 11, collet chuck 12, drill point 13, the first pad 14, second pad 15, fixed plate 16, conveyer belt 17, the first belt wheel 18, second belt wheel 19, motor 20, disk spring 21.
nullDescribed housing 1 is provided with a through hole，Outer shaft 4 is by being located in this through hole the clutch shaft bearing 6 arranged from front to back、Second bearing 7 is rotatably assorted with this through hole，Described outer shaft 4 includes middle bar portion 41、Rear rod portion 42 and front bar portion 43，Diameter Relationship between three is that rear rod portion 42 is less than middle bar portion 41，Middle bar portion 41 is less than front bar portion 43，The junction in three bar portions is respectively equipped with boss，Middle bar portion 41 is resisted against on clutch shaft bearing 6 with the boss of junction, front bar portion 43，Described clutch shaft bearing 6 and the second bearing 7 are sheathed on the lateral surface in middle bar portion 41 respectively，The rear rod portion 42 of outer shaft 4 is stretched out from the rear side of housing 1，The front bar portion 43 of outer shaft 4 stretches out from the front side of housing 1，The center of outer shaft 4 is provided with central through hole 45 vertically，Interior axle 5 is front、Slide axially between rear two limit positions and be matched with in this central through hole 45 and outer shaft 4 is stretched out in the rear end of interior axle 5，Interior axle 5 is slidably connected with outer shaft 4 by spline and can not be rotated around centrage relative to outer shaft 4，It is provided with gag lever post 11 in central through hole 45 at the front bar portion 43 of outer shaft 4，The rear end of gag lever post 11 is fixed with front bar portion 43 by the pin hole 44 of side, front bar portion 43 and pin 10 and is connected，Collet chuck 12 is located in the central through hole 45 at front bar portion 43，The front portion of gag lever post 11 is arranged in collet chuck 12，Collet chuck 12 is suitable to slide axially and is matched with in central through hole 45，The jaw of collet chuck 12 front end coordinates, with the front opening of central through hole 45, the clamping realized drill point 13，I.e. when jaw is retracted in central through hole 45, gap between jaw reduces and clamps drill point 13.The front end of interior axle 5 is fixing with the rear end of collet chuck 12 to be connected, and when interior axle 5 is along when sliding axially of outer shaft 4, the jaw of collet chuck 12 can be driven to stretch out outer shaft 4 or be retracted in outer shaft 4.Outer shaft 4 is suitable to synchronize to rotate around centrage with the drill point 13 of interior axle 5, collet chuck 12 clamping.
The front end of housing 1 is provided with drive end bearing bracket 3, upper through hole 301 and the lower through-hole 302 of upper and lower layout it is provided with in drive end bearing bracket 3, upper through hole 301 is adapted to allow for outer shaft 4 and passes, the front side of upper through hole 301 is fixedly connected with the first pad 14 and fixed plate 16, is provided with and is adapted to allow for the through hole that outer shaft 4 passes in the first pad 14 and fixed plate 16.The front side of lower through-hole 302 is fixed with motor 20, and the rotor of motor 20 extend out to the rear side of drive end bearing bracket 3 through lower through-hole 302, and the rotor-end of motor 20 is fixedly connected with the second belt wheel 19.
The rear side of housing 1 is fixedly connected with the second pad 15 and the first latch segment 8, it is provided with in first latch segment 8 and the second pad 15 and is adapted to allow for the through hole that outer shaft 4 passes, the rear side of the first latch segment 8 is provided with the first belt wheel 18, first belt wheel 18 fixed cover is located in the rear rod portion 42 of outer shaft 4, and the first belt wheel 18 is in transmission connection with the second belt wheel 19 by conveyer belt 17.
The rear end of interior axle 5 is fixed with the second latch segment 9, has been pressed against disk spring 21 between the leading flank and the rear end face of outer shaft 4 of the second latch segment 9, and disk spring 21 is in compressive state.Rear end cap 2 is provided with the rear side of housing 1, and rear end cap 2 is provided with and is suitable to the through hole that outer shaft 4, interior axle the 5, second latch segment 9 and disk spring 21 pass.
Drill point automatic clamping device of the present utility model, its work process is:
(1) External Force Acting is in the rear end of interior axle 5, the interior relative outer shaft 4 of axle 5 overcomes the elastic force of disk spring 21 to be axially moveable, interior axle 5 drives collet chuck 12 to move forward to stretch out outer shaft 4, gap between the jaw of collet chuck 12 increases, the bottom of drill point 13 reaches and props up the front end of gag lever post 11 through jaw, act on the external force on interior axle 5 to disappear, under the effect of disk spring 21, interior axle 5 slides relative to outer shaft 4 and resets, collet chuck 12 by interior axle 5 be driven back to be reduced in outer shaft 4, the jaw of collet chuck 12 clamping drill point 13.
(2) when not having External Force Acting on interior axle 5, the motor 20 of adjustable rotating speed drives outer shaft 4 to rotate by first belt wheel the 18, second belt wheel 19 and conveyer belt 17, outer shaft 4 drives interior axle 5 synchronous rotary, so that drill point 13 rotates, such that it is able to change the drill point 13 angle relative to lapping device.
Obviously, above-described embodiment is only for clearly demonstrating this utility model example, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And these belong to obvious change or variation that spirit of the present utility model extended out still in protection domain of the present utility model among.
Claims (4)
1. a drill point automatic clamping device, it is characterized in that including: the outer shaft (4) being rotatably assorted on a housing (1), slide relative to outer shaft (4) in interior axle (5) is arranged in the axial central through hole (45) of outer shaft (4) and between two limit positions, collet chuck (12) is snug fit in central through hole (45), the jaw of collet chuck (12) coordinates with the front opening of central through hole (45) and clamps drill point (13), outer shaft (4) is suitable to and interior axle (5), drill point (13) synchronizes to rotate around centrage, interior axle (5) is fixing with collet chuck (12) to be connected, outer shaft (4) is stretched out in the rear end of interior axle (5), it is sheathed on the elastic rear end connecting interior axle (5) of compression spring (21) and the rear end of outer shaft (4) of interior axle (5) rear end.
Drill point automatic clamping device the most according to claim 1, it is characterized in that: in the central through hole (45) of described outer shaft (4), be provided with the gag lever post (11) being fixedly linked with outer shaft (4), in the front portion of gag lever post (11) is arranged in collet chuck (12), when drill point (13) is through collet chuck (12), the front end of gag lever post (11) be suitable to prop up the end of drill point (13).
Drill point automatic clamping device the most according to claim 2, it is characterized in that: the rear end fixed cover of described outer shaft (4) is provided with the first belt wheel (18), the lower section of described housing (1) is provided with motor (20), being fixedly connected with the second belt wheel (19) on the rotor of motor (20), the first belt wheel (18) is in transmission connection by conveyer belt (17) with the second belt wheel (19).
Drill point automatic clamping device the most according to claim 3, it is characterized in that: the rear end of described interior axle (5) is fixedly connected with a latch segment, the front end of described spring (21) is pressed against on the rear end face of outer shaft (4), and the rear end of spring (21) is pressed against on the front side wall of latch segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257068.2U CN205415215U (en) | 2016-03-30 | 2016-03-30 | Drill point automatic clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257068.2U CN205415215U (en) | 2016-03-30 | 2016-03-30 | Drill point automatic clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205415215U true CN205415215U (en) | 2016-08-03 |
Family
ID=56521930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620257068.2U Expired - Fee Related CN205415215U (en) | 2016-03-30 | 2016-03-30 | Drill point automatic clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205415215U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177003A (en) * | 2018-09-27 | 2019-01-11 | 浙江三信智能机械科技有限公司 | Automate rotor cutter |
| CN110864679A (en) * | 2019-11-12 | 2020-03-06 | 中国船舶重工集团公司第七0七研究所 | Shafting automatic tensioning and releasing device for gyro north finder |
-
2016
- 2016-03-30 CN CN201620257068.2U patent/CN205415215U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177003A (en) * | 2018-09-27 | 2019-01-11 | 浙江三信智能机械科技有限公司 | Automate rotor cutter |
| CN110864679A (en) * | 2019-11-12 | 2020-03-06 | 中国船舶重工集团公司第七0七研究所 | Shafting automatic tensioning and releasing device for gyro north finder |
| CN110864679B (en) * | 2019-11-12 | 2022-07-26 | 中国船舶重工集团公司第七0七研究所 | Shafting automatic tensioning and releasing device for gyro north finder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160803 Termination date: 20180330 |