CN206335508U - A kind of pneumatic impact spanner for adjusting scroll chuck - Google Patents
A kind of pneumatic impact spanner for adjusting scroll chuck Download PDFInfo
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- CN206335508U CN206335508U CN201621429737.6U CN201621429737U CN206335508U CN 206335508 U CN206335508 U CN 206335508U CN 201621429737 U CN201621429737 U CN 201621429737U CN 206335508 U CN206335508 U CN 206335508U
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- arc
- connecting rod
- spring
- shaped groove
- circular arc
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Abstract
The utility model discloses a kind of pneumatic impact spanner for adjusting scroll chuck, including pneumatic drill gun, the drill bit of pneumatic drill gun is replaced by columned first connecting rod, first connecting rod is connected with second connecting rod, second connecting rod is cylinder axis, second connecting rod can be stretched into driving end, and this on driving end stretches into hole for cylinder blind hole；Circular arc lamellar body is provided with the end face of the inserting end of second connecting rod, the radian of circular arc lamellar body is less than π, the arc-shaped groove that the radian of the bottom in hole provided with depression is π is being stretched into, spring is provided with an arc end of arc-shaped groove, the circumferencial direction extension of the axis of spring along arc-shaped groove；When second connecting rod is stretched into driving end and turns to correct position, spring is compressed, and the arc end and the end face close proximity of the one end of arc-shaped groove provided with spring of circular arc lamellar body, is connected as a single entity with the inwall of driving end, so as to drive driving end to rotate.The spanner can quickly realize that chuck, to the clamping of workpiece, release, efficiently controls the clamping dynamics of workpiece.
Description
Technical field
The utility model belongs to machining technology field, more particularly to a kind of spanner for adjusting scroll chuck on lathe.
Background technology
In metal cutting process, it will usually use scroll chuck as shown in Figure 1 to clamp workpiece, especially clamp shaft
Class part；Clamping at present for scroll chuck, release generally use cross-brace as shown in Figure 2, make the spanner of spanner
In the square driving hole 102 of first 202 insertion scroll chuck, then human hand is rotated after holding the holding rod 201 of spanner, drives three-jaw
Thread mechanism in chuck makes claw 101 clamp or discharge.This mode for debuging section chuck elasticity has continued to use several
10 years, however, in use, on the one hand, manually pull, waste time and energy due to taking, inefficiency；On the other hand,
It is maximum defect, is exactly that can not manually grasp the dynamics for pulling chuck, so that cause workpiece excessively to be clamped and deformed, or
The axis of clamping shifts, and thus produces huge machining accuracy error.
Utility model content
The purpose of this utility model is to solve above-mentioned technical problem there is provided a kind of pneumatic impact spanner for adjusting scroll chuck,
The spanner can quickly realize chuck to the clamping of workpiece, release, and efficiently control the clamping dynamics of workpiece, improve workpiece
Set and Positioning precision.
The technical solution of the utility model is as follows：
A kind of pneumatic impact spanner for adjusting scroll chuck, including pneumatic drill gun, the drill bit of the pneumatic drill gun are replaced by circle
The first connecting rod of column, the first connecting rod is connected with second connecting rod, and the second connecting rod is one section with diameter greater than first connecting rod
Cylinder axis, second connecting rod can be stretched into the driving end being engaged with the driving hole on chuck, and this on driving end stretches into hole and be
Cylinder blind hole；
The axis using second connecting rod of one section of protrusion is provided with the end face of the inserting end of the second connecting rod as the circle of axle
Arc lamellar body, the radian of the circular arc lamellar body is less than π, and in the bottom for stretching into hole, the radian provided with depression is recessed for π arc-shaped
Groove, and it is provided with spring, the circle of the axis of the spring along arc-shaped groove in one of arc end of the arc-shaped groove
Circumferential direction is extended；
When second connecting rod is stretched into driving end and turns to correct position, the spring is compressed, and the arc plate
The arc end of body and the end face close proximity of the one end of arc-shaped groove provided with spring, are connected as a single entity with the inwall of driving end, from
And drive the driving end to rotate.
Further, one end of the spring stretch into and be fixed on it is described stretch into the inwall in hole, the other end is located at described
On arc-shaped groove and it is fixed with one piece and the circular flat board of spring outer diameter identical.
Further, the spring is stretched at the aperture for stretching into hole inwall provided with one section of circular arc baffle plate, is close to described
Arc-shaped groove inwall sets and is connected as a single entity with the inwall, correspondingly, is provided with and can cover in the arc end of the circular arc lamellar body
Arc notch on circular arc baffle plate.
Further, the radian of the circular arc lamellar body is 1/2 π, and the spring is located at the radian on the arc-shaped groove
For 1/4 π.
The beneficial effects of the utility model：Existing pneumatic power drill is improved by the utility model, by former power drill
Drill bit replace with first connecting rod of the present utility model, and first connecting rod is connected with the second connecting rod more than its diameter, first
Connecting rod is connected using less axle with drill gun, and larger second connecting rod is used to coordinate with driving end；In second connecting rod and spanner
Coordinated between head using the circular arc lamellar body of arc-shaped and the arc-shaped groove socket joint of depression of protrusion and realize connection, transmitting torque,
And spring is provided between the circular arc end face connected both it, to play a part of bumper and absorbing shock, because when with pneumatic drill gun,
Connecting rod is that unexpected acceleration is rotated, and scroll chuck can be impacted, the threaded adjusting mechanism damaged inside scroll chuck, simultaneously
The huge clamping force applied suddenly also can produce damage to workpiece.Therefore, spring is effectively acted as when starting spanner startup
The effect of bumper and absorbing shock, makes torsion progressively be transferred to the threaded adjusting mechanism of scroll chuck, and make workpiece in the short period of time
It can progressively, smoothly be clamped, reduce rigid shock and damage.
Brief description of the drawings
Fig. 1 is scroll chuck side view.
Fig. 2 is existing cross-brace structural representation.
Fig. 3 is the utility model structural representation.
Fig. 4 is the inserting end end view of second connecting rod.
Fig. 5 is driving end top view.
Fig. 6 is zoomed-in view at the I in Fig. 5.
Fig. 7 is A-A sectional views in Fig. 6.
Fig. 8 is B-B sectional views in Fig. 6.
Fig. 9 is C-C sectional views in Fig. 8.
Figure 10 is the inserting end end view for setting second connecting rod jaggy.
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages of the present utility model and effect easily.
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Fig. 3-8, a kind of pneumatic impact spanner for adjusting scroll chuck, including pneumatic drill gun 5, the pneumatic drill gun 5
Drill bit is replaced by columned first connecting rod 3, and the first connecting rod 3 is connected with second connecting rod 4, and the second connecting rod 4 is one
Cylinder axis of the section with diameter greater than first connecting rod 3；First connecting rod 3 can process the end of bit bore on the basis of former drill bit structure
The corresponding construction being connected into the socket joint that is connected with second connecting rod 4, such as drill bit end are square or triangle, and correspondingly, second connects
Bar 4 is also provided with the hole of square or triangle.Second connecting rod 4 can stretch into the driving end being engaged with the driving hole 102 on chuck
In 202, this on driving end 202 stretches into hole for cylindrical hole.Provided with one section of protrusion on the inserting end end face of the second connecting rod 4
The axis using second connecting rod 4 as the circular arc lamellar body 401 of axle, the radian of the circular arc lamellar body 401 is less than π, hole stretched into described
Bottom provided with depression radian be π arc-shaped groove 20201, the two radian sum be less than 2 π, so that second connecting rod 4 can be more
It is smoothly inserted at hand in 202, and is engaged arc-shaped groove 20201 and the socket joint of circular arc lamellar body 401.In addition, also described
One of arc end of arc-shaped groove 20201 is provided with spring 6, the circle of the axis of the spring 6 along arc-shaped groove 20201
Circumferential direction is extended.When second connecting rod 4 is stretched into driving end 202 and turns to correct position, the spring 6 is compressed,
And the arc end of the circular arc lamellar body 401 and the end face close proximity of the one end of arc-shaped groove 20201 provided with spring 6, with pulling
202 inwall is connected as a single entity at hand, so as to drive the driving end 202 to rotate.
Further, one end of the spring 6 stretch into and be fixed on it is described stretch into the inwall in hole, the other end is located at described
On arc-shaped groove 20201 and it is fixed with one piece and the circular flat board 7 of the external diameter identical of spring 6.To fix spring 6, keep away
Fixing end is unstable when compressed for spring free 6, rocks excessive.
Further, as shown in Fig. 6,8,9 and 10, the spring 6 stretches at the aperture for stretching into hole inwall and is provided with one
Section height value is the circular arc baffle plate 20202 of the outer radius of spring 6, be close to the inwall of arc-shaped groove 20201 set and with it is described
Inwall is connected as a single entity, correspondingly, and the arc on circular arc baffle plate 20202 can be covered on by being provided with the arc end of the circular arc lamellar body 401
Breach 40101, makes circular arc baffle plate 20202 and arc-shaped groove 20201 and forms a small stair, equivalent to being provided with one
The gathering sill of spring 6, restricted guidance effect is preferably played to spring 6, the sideslip of spring 6 is prevented；And the height of circular arc baffle plate 20202
It is the excessive height because circular arc baffle plate 20202 to spend for the outer radius of spring 6, and arc notch 40101 is covered on after circular arc baffle plate 20202
It can not be fitted with the bottom hole face for stretching into hole, influence power transmission effect.
Further, the radian of the circular arc lamellar body 401 is 1/2 π, and the spring 6 is located at the arc-shaped groove 20201
On radian be 1/4 π, thus, the compressible radian of spring 6 can be up to the extended driving end 202 of 1/4 π, i.e. spring 6
Radian be 1/4 π, its decrement is moderate, it is to avoid the bending of spring 6 throws away arc-shaped groove 20201 caused by amount to be compressed is long,
Or sufficient buffer shock-absorbing effect can not be played when too short.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (4)
1. a kind of pneumatic impact spanner for adjusting scroll chuck, it is characterised in that：Including pneumatic drill gun (5), the pneumatic drill gun (5)
Drill bit is replaced by columned first connecting rod (3), and the first connecting rod (3) is connected with second connecting rod (4), the second connecting rod
(4) it is one section of cylinder axis with diameter greater than first connecting rod (3), second connecting rod (4) can be stretched into and driving hole (102) phase on chuck
In the driving end (202) of cooperation, this on driving end (202) stretches into hole for cylinder blind hole；
The axis using second connecting rod (4) provided with one section of protrusion on the end face of the inserting end of the second connecting rod (4) is axle
Circular arc lamellar body (401), the radian of the circular arc lamellar body (401) is less than π, and in the bottom for stretching into hole, the radian provided with depression is
π arc-shaped groove (20201), and it is provided with spring (6), institute in one of arc end of the arc-shaped groove (20201)
Circumferencial direction of the axis of spring (6) along arc-shaped groove (20201) is stated to be extended；
When second connecting rod (4) is stretched into driving end (202) and turns to correct position, the spring (6) is compressed, and described
The arc end of circular arc lamellar body (401) and the end face close proximity of the one end of arc-shaped groove (20201) provided with spring (6), with pulling
The inwall of (202) is connected as a single entity at hand, so as to drive the driving end (202) to rotate.
2. the pneumatic impact spanner of scroll chuck is adjusted according to claim 1, it is characterised in that：Stretch one end of the spring (6)
Enter and be fixed on it is described stretch into the inwall in hole, the other end is located on the arc-shaped groove (20201) and is fixed with one piece
With the circular flat board (7) of spring (6) external diameter identical.
3. the pneumatic impact spanner of scroll chuck is adjusted according to claim 2, it is characterised in that：The spring (6) is stretched into described
Stretch at the aperture of hole inwall provided with the circular arc baffle plate (20202) that one section of height value is spring (6) outer radius, the circular arc baffle plate
(20202) it is close to the arc-shaped groove (20201) inwall to set and be connected as a single entity with the inwall, correspondingly, in the circle
The arc end of arc lamellar body (401) is provided with the arc notch (40101) that can be covered on circular arc baffle plate (20202).
4. the pneumatic impact spanner of scroll chuck is adjusted according to claim 3, it is characterised in that：The circular arc lamellar body (401)
Radian is 1/2 π, and the radian that the spring (6) is located on the arc-shaped groove (20201) is 1/4 π.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621429737.6U CN206335508U (en) | 2016-12-25 | 2016-12-25 | A kind of pneumatic impact spanner for adjusting scroll chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621429737.6U CN206335508U (en) | 2016-12-25 | 2016-12-25 | A kind of pneumatic impact spanner for adjusting scroll chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206335508U true CN206335508U (en) | 2017-07-18 |
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ID=59301601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621429737.6U Active CN206335508U (en) | 2016-12-25 | 2016-12-25 | A kind of pneumatic impact spanner for adjusting scroll chuck |
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| Country | Link |
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| CN (1) | CN206335508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605907A (en) * | 2020-12-15 | 2021-04-06 | 江苏吉呈文化传媒有限公司 | Caliber-adjustable thin self-locking screwing device |
-
2016
- 2016-12-25 CN CN201621429737.6U patent/CN206335508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112605907A (en) * | 2020-12-15 | 2021-04-06 | 江苏吉呈文化传媒有限公司 | Caliber-adjustable thin self-locking screwing device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200623 Address after: 402260 No.13 Xiangfu Avenue, Shuangfu street, Jiangjin District, Chongqing Patentee after: Chongqing wanmg Magnesium Products Co., Ltd Address before: 402260 Jiangjin District, Chongqing Fu Industrial Park, the relocation of the integrated building A District, building 2-2, No. 1 Patentee before: CHONGQING DEYUN MOULD MANUFACTURING Co.,Ltd. |