CN209598728U - A kind of dedicated positioning fixture of shaft-like workpiece - Google Patents
A kind of dedicated positioning fixture of shaft-like workpiece Download PDFInfo
- Publication number
- CN209598728U CN209598728U CN201920080665.6U CN201920080665U CN209598728U CN 209598728 U CN209598728 U CN 209598728U CN 201920080665 U CN201920080665 U CN 201920080665U CN 209598728 U CN209598728 U CN 209598728U
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- China
- Prior art keywords
- supporting block
- slide opening
- clamp arm
- shaft
- cylindrical cavity
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Abstract
The utility model relates to tooling and fixture technical field, disclose a kind of dedicated positioning fixture of shaft-like workpiece, including bottom plate, bottom plate is equipped with supporting block, the top surface of supporting block is equipped with V-arrangement locating slot, and horizontal cylindrical cavity is equipped in supporting block, and the right end of cylindrical cavity is equipped with end cover；The left end of supporting block is equipped with left slide opening, and the right end of supporting block is equipped with right slide opening, and left slide post is equipped in left slide opening, is equipped with right slide post in right slide opening；The intermediate position of clamp arm is rotatablely connected by the two sides of pin shaft and escape groove, is equipped with the connection through-hole of perforation supporting block two sides in supporting block positioned at the downside of cylindrical cavity, is equipped with tension spring in connection through-hole；Cylindrical cavity, left slide opening are full of liquid medium in right slide opening, and the left end of bottom plate is equipped with the driving mechanism for driving left slide post, right slide post mobile, and driving mechanism is connect by medium tube with pipe fitting.The beneficial effect that the utility model has easy to use, positioning stablity, positioning accuracy high.
Description
Technical field
The utility model relates to tooling and fixture technical field more particularly to a kind of dedicated positioning fixtures of shaft-like workpiece.
Background technique
Shaft-like workpiece is very common in mechanical manufacturing field, shaft-like workpiece can be used to transmit torque, can and other component
It is rotatablely connected, or is played a supporting role.The side of many shaft-like workpieces needs to process connecting hole or positioning plane etc., this
It needs to position shaft-like workpiece, then be processed by the side to shaft-like workpiece such as drilling machine, milling machine；Axis class work at present
Part positions no dedicated fixture, is usually all by bench vice or flat-nose pliers by one end clamping, the positioning of axis, the other end is logical
Supporting block support positioning is crossed, however this kind of positioning method is unstable, inconvenient to use, and the both ends of shaft-like workpiece have height
Difference, positioning accuracy is low, eventually leads to machining accuracy reduction.
Utility model content
That there are stability in order to solve shaft-like workpiece in the prior art positioning is poor for the utility model, precision is low, using not
Convenient problem provides a kind of dedicated positioning fixture of the shaft-like workpiece good, easy to use, that positioning accuracy is high of stability.
To achieve the goals above, the utility model adopts the following technical solution:
The both ends of a kind of dedicated positioning fixture of shaft-like workpiece, including bottom plate, bottom plate are equipped with several connecting holes, the bottom plate
It is equipped with supporting block, the top surface of the supporting block is equipped with the V-arrangement locating slot of horizontal distribution, is equipped with horizontal circle in the supporting block
Column chamber, the left end of cylindrical cavity are equipped with pipe fitting, and the right end of cylindrical cavity is equipped with end cover；The left end two sides of the supporting block are equipped with
The left slide opening being connected to cylindrical cavity, the right end two sides of supporting block are equipped with the right slide opening being connected to cylindrical cavity, set in the left slide opening
There is left slide post, is equipped with right slide post in the right slide opening；The outer end pair of the two sides of the supporting block and left slide opening, right slide opening
Should place be equipped with escape groove, be equipped with clamp arm in each escape groove, the intermediate position of the clamp arm passes through pin shaft and escape groove
Two sides rotation connection, the interior downside positioned at cylindrical cavity of the supporting block are equipped with the connection through-hole of perforation supporting block two sides, the company
It connects and is equipped with tension spring in hole, the both ends of tension spring are fixedly connected with the lower end of two clamp arm respectively, the left slide post, right slide post
Outer end abutted with the lower end inside of clamp arm；The cylindrical cavity, left slide opening are full of liquid medium, the bottom in right slide opening
The left end of plate is equipped with the driving mechanism for driving left slide post, right slide post mobile, and driving mechanism is connect by medium tube and pipe
Head connection.
By the outer end retraction of the left slide post of driving mechanisms control, right slide post, the lower end of clamp arm is under the action of tension spring
It moves inward, the upper end of clamp arm is opened, and shaft-like workpiece level to be processed is put into V-arrangement locating slot, then pass through driving mechanism control
Make left slide post, the outer end of right slide post is stretched out, the synchronous compression axis class workpiece in the upper end of four clamp arm, to realize shaft-like workpiece
Stable position, positioning accuracy is high, easy to operate.
Preferably, the driving mechanism includes cylinder body, piston, cylinder cap, the center of the cylinder cap is fixed with swivel nut, institute
Screw rod is equipped in the swivel nut stated, the upper end of the screw rod is equipped with handler, and the lower end of screw rod is abutted with the upper end of piston, the work
Reseting pressuring spring is equipped between the lower end surface of plug and the bottom of cylinder body, the lower end side of the cylinder body is equipped with connector, the medium
One end of pipe is connect with connector, and the other end of medium tube is connect with pipe fitting.Handler rotates forward, under screw rod band piston
Drop, to the intracorporal liquid medium of cylinder is expressed in cylindrical cavity, the outer end stretching of left slide post, right slide post, conversely, rotation
Handle rotates backward, the outer end retraction of left slide post, right slide post.
Preferably, being equipped with annular groove on the outside of the inner end of the left slide post, right slide post, it is equipped in the annular groove
Sealing ring.Sealing ring plays sealing function, prevents liquid medium from leaking.
Preferably, the lower end of each clamp arm is equipped with adjusting bolt, it is threadedly coupled between adjusting bolt and the clamp arm,
The front end of adjusting bolt in corresponding clamp arm is abutted with the outer end of corresponding left slide post, right slide post.It can by adjusting bolt
The lower end displacement of clamp arm when clamping workpiece to adjust, this also just defines the displacement of left slide post, right slide post, to make
Obtaining this kind of fixture can be suitably used for the different shaft-like workpiece positioning of diameter.
Preferably, the middle position of the supporting block is equipped with through slot.Through slot plays the role of processing evacuation, while also rising
To the effect of deslagging.
Preferably, the upper end innermost insert of the clamp arm has copper briquetting, it is bolted between copper briquetting and clamp arm.Copper pressure
The hardness of block will be small than general iron, and when clamp arm compresses shaft-like workpiece, copper briquetting is contacted with workpiece surface, to prevent in axis
Class workpiece surface generates impression.
Preferably, the inner end of the left slide opening, right slide opening is equipped with position limiting convex ring.Position limiting convex ring is to left slide post, the right side
The inner end of slide post limits, and prevents from entering in cylindrical cavity when left slide post, right slide post retraction, it is ensured that overall stability.
Therefore, the beneficial effect that the utility model has easy to use, positioning stablity, positioning accuracy high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model.
Fig. 2 is cross-sectional view at A-A in Fig. 1.
Fig. 3 is cross-sectional view at B-B in Fig. 1.
Fig. 4 is partial enlargement diagram at C in Fig. 2.
Fig. 5 is the cross-sectional view of driving mechanism.
In figure: bottom plate 1, connecting hole 2, supporting block 3, V-arrangement locating slot 4, cylindrical cavity 5, pipe fitting 6, end cover 7, left cunning
Hole 8, left slide post 10, right slide post 11, escape groove 12, clamp arm 13, pin shaft 14, connection through-hole 15, tension spring 16, is adjusted right slide opening 9
Save bolt 17, driving mechanism 18, medium tube 19, copper briquetting 20, through slot 21, shaft-like workpiece 22, position limiting convex ring 80, sealing ring 100,
Cylinder body 180, piston 181, cylinder cap 182, swivel nut 183, screw rod 184, handler 185, reseting pressuring spring 186, connector 187.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and detailed description:
The dedicated positioning fixture of a kind of shaft-like workpiece as shown in Figure 1, Figure 2, Figure 3 shows, including bottom plate 1, the both ends of bottom plate are equipped with
Several connecting holes 2, bottom plate are equipped with supporting block 3, and the top surface of supporting block is equipped with the V-arrangement locating slot 4 of horizontal distribution, sets in supporting block
There is a horizontal cylindrical cavity 5, the left end of cylindrical cavity is equipped with pipe fitting 6, and the right end of cylindrical cavity is equipped with end cover 7, in supporting block
Meta position has installed through slot 21；The left end two sides of supporting block are equipped with the left slide opening 8 being connected to cylindrical cavity, and the right end two sides of supporting block are set
There is the right slide opening 9 being connected to cylindrical cavity, left slide post 10 is equipped in left slide opening, is equipped with right slide post 11 in right slide opening；Supporting block
Two sides and left slide opening, right slide opening outer end corresponding position be equipped with escape groove 12, clamp arm 13, clamp arm are equipped in each escape groove
Intermediate position be rotatablely connected by the two sides of pin shaft 14 and escape groove, bearing, position in supporting block 3 are equipped between pin shaft and clamp arm
It is equipped with the connection through-hole 15 of perforation supporting block two sides in the downside of cylindrical cavity, is equipped with tension spring 16, the both ends of tension spring in connection through-hole
Be fixedly connected respectively with the lower end of two clamp arm, the lower end of each clamp arm, which is equipped with, adjusts bolt 17, adjust bolt and clamp arm it
Between be threadedly coupled, the front end of the adjusting bolt in corresponding clamp arm and the outer end of corresponding left slide post, right slide post abutting, clamp arm
Upper end innermost insert have copper briquetting 20, be bolted between copper briquetting and clamp arm；Cylindrical cavity, left slide opening are full of in right slide opening
Liquid medium, the left end of bottom plate are equipped with the driving mechanism 18 for driving left slide post, right slide post mobile, and driving mechanism passes through
Medium tube 19 is connect with pipe fitting.As shown in figure 5, being equipped with annular groove, ring on the outside of the inner end of left slide post 10, right slide post 11
Be equipped with sealing ring 100 in shape slot, left slide opening 8, right slide opening 9 inner end be equipped with position limiting convex ring 80.
As shown in figure 4, driving mechanism 18 includes cylinder body 180, piston 181, cylinder cap 182, the center of cylinder cap is fixed with swivel nut
183, swivel nut is interior to be equipped with screw rod 184, and the upper end of screw rod is equipped with handler 185, and the lower end of screw rod is abutted with the upper end of piston, piston
Lower end surface and cylinder body bottom between be equipped with reseting pressuring spring 186, the lower end side of cylinder body is equipped with connector 187, medium tube 19
One end connect with connector, the other end of medium tube is connect with pipe fitting.
In conjunction with attached drawing, the principles of the present invention are as follows: handler is rotated forward, and screw rod band piston declines, thus handle
The intracorporal liquid medium of cylinder is expressed in cylindrical cavity, and the outer end stretching of left slide post, right slide post, the lower end of four clamp arm is simultaneously
It is displaced outwardly, the upper end of clamp arm is synchronized close to workpiece until compression shaft-like workpiece, then adds the side of shaft-like workpiece 22
Work processing, after processing, handler is rotated backward, and the outer end retraction of left slide post, right slide post, the lower end of clamp arm is in tension spring
Under the action of move inward, the outer end of clamp arm is opened, and the shaft-like workpiece processed can facilitate taking-up, then load onto be processed
Shaft-like workpiece.Entire positioning fixture is easy to use, and positioning stablity, positioning accuracy are high.
The above are only specific embodiments of the present invention, but the technical characteristics of the utility model is not limited thereto.Appoint
How based on the utility model, to solve essentially identical technical problem, essentially identical technical effect is realized, it is made
Simple change, equivalent replacement or modification etc., are all covered by among the protection scope of the utility model.
Claims (7)
1. the both ends of a kind of dedicated positioning fixture of shaft-like workpiece, including bottom plate, bottom plate are equipped with several connecting holes, characterized in that institute
The bottom plate stated is equipped with supporting block, and the top surface of the supporting block is equipped with the V-arrangement locating slot of horizontal distribution, is equipped in the supporting block
Horizontal cylindrical cavity, the left end of cylindrical cavity are equipped with pipe fitting, and the right end of cylindrical cavity is equipped with end cover；The left end of the supporting block
Two sides are equipped with the left slide opening being connected to cylindrical cavity, and the right end two sides of supporting block are equipped with the right slide opening being connected to cylindrical cavity, the left side
It is equipped with left slide post in slide opening, is equipped with right slide post in the right slide opening；The two sides of the supporting block and left slide opening, right slide opening
Outer end corresponding position be equipped with escape groove, be equipped with clamp arm in each escape groove, the intermediate position of the clamp arm by pin shaft with
The two sides of escape groove are rotatablely connected, and the connection for being equipped with perforation supporting block two sides positioned at the downside of cylindrical cavity in the supporting block is logical
Hole, the connection through-hole is interior to be equipped with tension spring, and the both ends of tension spring are fixedly connected with the lower end of two clamp arm respectively, the left sliding
Column, right slide post outer end abutted with the lower end inside of clamp arm；The cylindrical cavity, left slide opening are full of liquid in right slide opening
Medium, the left end of the bottom plate are equipped with the driving mechanism for driving left slide post, right slide post mobile, and driving mechanism passes through Jie
Matter pipe is connect with pipe fitting.
2. the dedicated positioning fixture of a kind of shaft-like workpiece according to claim 1, characterized in that the driving mechanism includes
Cylinder body, piston, cylinder cap, the center of the cylinder cap are fixed with swivel nut, are equipped with screw rod in the swivel nut, the upper end of the screw rod is set
There is handler, the lower end of screw rod is abutted with the upper end of piston, is equipped with and is resetted between the lower end surface of the piston and the bottom of cylinder body
The lower end side of pressure spring, the cylinder body is equipped with connector, and one end of the medium tube is connect with connector, the other end of medium tube
It is connect with pipe fitting.
3. the dedicated positioning fixture of a kind of shaft-like workpiece according to claim 1, characterized in that the left slide post, right cunning
It is equipped with annular groove on the outside of the inner end of dynamic column, is equipped with sealing ring in the annular groove.
4. the dedicated positioning fixture of a kind of shaft-like workpiece according to claim 1, characterized in that the lower end of each clamp arm is all provided with
Have adjusting bolt, be threadedly coupled between adjusting bolt and the clamp arm, the front end of the adjusting bolt in corresponding clamp arm with it is corresponding
The outer end abutting of left slide post, right slide post.
5. the dedicated positioning fixture of a kind of shaft-like workpiece according to claim 1 or 2 or 3 or 4, characterized in that the support
The middle position of block is equipped with through slot.
6. the dedicated positioning fixture of a kind of shaft-like workpiece according to claim 1, characterized in that on the inside of the upper end of the clamp arm
It is inlaid with copper briquetting, is bolted between copper briquetting and clamp arm.
7. the dedicated positioning fixture of a kind of shaft-like workpiece according to claim 1, characterized in that the left slide opening, right slide opening
Inner end be equipped with position limiting convex ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920080665.6U CN209598728U (en) | 2019-01-17 | 2019-01-17 | A kind of dedicated positioning fixture of shaft-like workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920080665.6U CN209598728U (en) | 2019-01-17 | 2019-01-17 | A kind of dedicated positioning fixture of shaft-like workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209598728U true CN209598728U (en) | 2019-11-08 |
Family
ID=68399646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920080665.6U Expired - Fee Related CN209598728U (en) | 2019-01-17 | 2019-01-17 | A kind of dedicated positioning fixture of shaft-like workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209598728U (en) |
-
2019
- 2019-01-17 CN CN201920080665.6U patent/CN209598728U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201218 Address after: Room 1305, block a, Jinxiu international science and technology center, No.26 Juye Road, Xixing street, Binjiang District, Hangzhou City, Zhejiang Province, 310051 Patentee after: Hangzhou Golden Enterprise Tax Education Technology Co.,Ltd. Address before: Hangzhou City, Zhejiang province 310053 Binjiang District Lake Road 528 Zhejiang Institute of Mechanical and Electrical Engineering Patentee before: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING |
|
| 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: 20191108 Termination date: 20210117 |