CN209288827U - Centralized positioning clamping mechanism - Google Patents
Centralized positioning clamping mechanism Download PDFInfo
- Publication number
- CN209288827U CN209288827U CN201822274147.6U CN201822274147U CN209288827U CN 209288827 U CN209288827 U CN 209288827U CN 201822274147 U CN201822274147 U CN 201822274147U CN 209288827 U CN209288827 U CN 209288827U
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- Prior art keywords
- positioning
- column
- positioning table
- hole
- out against
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- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 230000000630 rising effect Effects 0.000 claims abstract description 6
- 230000004308 accommodation Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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Abstract
The utility model discloses a kind of centralized positioning clamping mechanisms, have effect easy to operate.Including positioning table, the centre of the positioning table is through with through-hole, the positioning table is provided with the guide rod of fitting through-hole sliding, the top of the guide rod is set as truncated cone, the positioning table radially open up there are three adjacent angle be 120 ° pilot hole, fitting sliding has one to hold out against column in each pilot hole, the top of the end fitting guide rod for holding out against column, it is provided with the clamping cylinder of drive leader rising below the positioning table, the support edge for holding workpiece is provided on the outside of the positioning table.By the cooperation for holding out against column and clamping cylinder, the quick and precisely positioning of workpiece is realized.
Description
Technical field
The utility model relates to a kind of clamp systems, more specifically, it relates to a kind of centralized positioning clamping mechanism.
Background technique
With the fast development of China's machine-building, the requirements such as the detection efficiency of online production product, method, precision are got over
Come higher.
Notification number CN207387153U, publication date 20180522 patent in disclose in a kind of processing of annulus part anti-scratch
Heart fixture, including chuck body, hold-down mechanism, multijaw cylinder and locating detent, the multijaw cylinder are mounted in chuck body, institute
It states locating detent to be circumferentially evenly arranged on multijaw cylinder, locating detent is the overhead kick backwards to chuck body, and when clamping, each locating detent is in multijaw
It radially collapses and is realized annulus part banding from circumferential direction under the driving of cylinder, then compressed the end face of annulus part by hold-down mechanism.
Above-mentioned patent substitutes existing locating ring using multijaw cylinder and overhead kick, and can reduce the scuffing of annulus part outer surface can
Energy property, improves final product quality.Since hold-down mechanism is distributed with around multijaw cylinder, workpiece is placed on above-mentioned fixture
When, it needs for be first caught between locating detent and hold-down mechanism the side of workpiece, then other side is slowly caught in determining for another side
Between position pawl and hold-down mechanism, there is a problem of inconvenient for operation.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of centralized positioning clamping mechanism,
With effect easy to operate.
To realize the above-mentioned technical purpose, the utility model provides following technical solution: a kind of centralized positioning clamping mechanism,
Including positioning table, the centre of the positioning table is through with through-hole, and the positioning table is provided with the guide rod of fitting through-hole sliding, described
The top of guide rod is set as truncated cone, and the positioning table radially opens up that there are three the pilot holes that adjacent angle is 120 °, often
Fitting sliding has one to hold out against column, the top of the end fitting guide rod for holding out against column, the positioning table in a pilot hole
Lower section is provided with the clamping cylinder of drive leader rising, and the support edge for holding workpiece is provided on the outside of the positioning table.
By using above-mentioned technical proposal, by workpiece on support edge, three hold out against column and are located on the inside of workpiece, start cylinder,
With the rising of guide rod, it can will hold out against column and release pilot hole, the end for holding out against column closely abuts on the inside of workpiece, and cylinder can not be after
Continuous to push guide rod, cylinder stops working at this time, and workpiece just holds out against column clamping by three, realizes the quick-clamping of workpiece.Workpiece
After processing is completed, cylinder resets, and workpiece can be easily removed at this time, improve operation convenience.Three-point fix simultaneously
Clamping mode, it is also ensured that the axis collinear of workpiece and positioning table improves clamping accuracy.
Preferably, each pilot hole offers accommodation groove straight down, it is provided with upper end in the accommodation groove and inserts
Enter to hold out against the drive rod of column, the positioning table offers the accommodating hole immediately below each pilot hole, under the drive rod
End insertion accommodating hole, the positioning table are provided with the plug screw being threadedly coupled with the exit orifice of accommodating hole, are provided in the accommodating hole
Spring between plug screw and drive rod, when not stressing, the spring is in swelling state.
It by using above-mentioned technical proposal, holds out against after column is ejected, drive rod can follow that hold out against column mobile, and spring is just at this time
It can be compressed.After the completion of work pieces process, guide rod is lost to after the thrust for holding out against column, and spring will reset, and will hold out against column and transmission
Bar forced back realizes the automatic recycling for holding out against column, does not need manpower and moves to retract and hold out against column, improves operation convenience.
Preferably, being removably connected with support base below the positioning table, offer among the support base for guide rod
The centre bore passed through, the support base lower section are provided with the connecting plate for fixing to clamp cylinder.
By using above-mentioned technical proposal, positioning table is detachably connected with support base, is facilitated installation, is also ensured simultaneously
The convenience of later period maintenance.
Preferably, the lower surface of the positioning table is extended with the guide cylinder around through-hole, the outer diameter of the guide cylinder with
The diameter of centre bore is identical.
By using above-mentioned technical proposal, guide cylinder can only be bonded in insertion centre bore, can just complete positioning table and branch
The installation for supportting seat, ensure that the axis collinear of positioning table and support base, further improves reasonable structure.
Preferably, concentric arry has positioning column made of three elastic materials on the support edge, adjacent two described fixed
Angle between the column of position is 120 °, and the distance of the positioning column end to positioning table axis is the half of workpiece diameter.
By using above-mentioned technical proposal, first workpiece is covered on positioning table, support edge holds workpiece, and staff is mobile
Workpiece makes the end of three positioning columns all be bonded workpiece inner wall, is positioned for the first time to workpiece, restarts clamping cylinder, will pushed up
Tight column stretches out, and ensure that the position of workpiece is accurate, when avoiding holding out against column clamping workpiece, workpiece teetertotters, and leads to machining accuracy
It reduces, improves reasonable structure.
Preferably, the end of the positioning column is set as hemispherical.
By using above-mentioned technical proposal, when workpiece is placed on support edge, when workpiece falls in the end of positioning column, hemisphere
The positioning column end of shape can guide workpiece to be slipped to correct position, improve reasonable structure.
Preferably, offering waist-shaped hole on the positioning column vertically, the positioning column, which is provided with, passes vertically through waist-shaped hole
Locking stud, the locking stud with support edge be threadedly coupled.
By using above-mentioned technical proposal, different workpiece, size is different, can unscrew locking stud at this time, mobile
Positioning column guarantees that the end of positioning column can just be bonded inside workpiece, improves the scope of application.
In conclusion the utility model achieves following effect:
1. realizing the quick and precisely positioning of workpiece by the cooperation for holding out against column and clamping cylinder；
2. realizing the automatic retraction for holding out against column by spring and the cooperation for holding out against column.
Detailed description of the invention
Fig. 1 is in the present embodiment for showing integrally-built schematic diagram；
Fig. 2 is in the present embodiment for showing positioning column and holding out against the schematic diagram of column matching relationship.
In figure, 1, positioning table；11, guide rod；12, pilot hole；13, column is held out against；14, clamping cylinder；15, drive rod；16, hold
Set hole；17, plug screw；18, spring；2, support base；21, connecting plate；22, guide cylinder；3, edge is held in the palm；31, positioning column；32, waist-shaped hole；
33, stud is locked.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Embodiment: a kind of centralized positioning clamping mechanism, as shown in Figure 1, including cylindrical positioning table 1, in positioning table 1
Between be through with through-hole, positioning table 1 is provided with the guide rod 11 of fitting through-hole sliding, and the top of guide rod 11 is set as truncated cone, fixed
Position platform 1 is radially opened up there are three the pilot hole 12 that adjacent angle is 120 °, and the interior fitting sliding of each pilot hole 12 has a top
Tight column 13 holds out against the top of the end fitting guide rod 11 of column 13, the clamping gas of the rising of drive leader 11 is provided with below positioning table 1
Cylinder 14 is provided with the support edge 3 for holding workpiece on the outside of positioning table 1.By workpiece on support edge 3, three hold out against column 13 and are located at work
On the inside of part, start cylinder, with the rising of guide rod 11, can will hold out against column 13 and release pilot hole 12, the end for holding out against column 13 is tight
On the inside of close abutting workpiece, cylinder can not continue to press on guide rod 11, and cylinder stops working at this time, and workpiece just holds out against column 13 by three and blocks
Tightly, the quick-clamping of workpiece is realized.After the completion of work pieces process, cylinder resets, and workpiece can be easily removed at this time.
As shown in Figure 1, each pilot hole 12 offers accommodation groove straight down, it is provided with upper end insertion in accommodation groove and holds out against
The drive rod 15 of column 13, positioning table 1 offer the accommodating hole 16 immediately below each pilot hole 12, and the lower end of drive rod 15 is inserted
Enter accommodating hole 16, positioning table 1 is provided with the plug screw 17 being threadedly coupled with the exit orifice of accommodating hole 16, is provided with and is located in accommodating hole 16
Spring 18 between plug screw 17 and drive rod 15, when not stressing, spring 18 is in swelling state.It holds out against after column 13 is ejected, passes
Lever 15, which can follow, holds out against the movement of column 13, and spring 18 will be compressed at this time.After the completion of work pieces process, guide rod 11 is lost to holding out against
After the thrust of column 13, spring 18 will reset, and will hold out against 15 forced back of column 13 and drive rod, realize and hold out against the automatic of column 13
Recycling.
As shown in Figure 1, being removably connected with support base 2 below positioning table 1, offers among support base 2 and worn for guide rod 11
The centre bore crossed is provided with the connecting plate 21 for fixing to clamp cylinder 14 below support base 2.Positioning table 1 detachably connects with support base 2
It connects, facilitates installation, while also ensuring the convenience of later period maintenance.
As shown in Figure 1, the lower surface of positioning table 1 is extended with the guide cylinder 22 around through-hole, the outer diameter of guide cylinder 22 is in
The diameter in heart hole is identical.Guide cylinder 22 can only be bonded in insertion centre bore, can just complete the installation of positioning table 1 and support base 2,
The axis collinear that ensure that positioning table 1 Yu support base 2, further improves reasonable structure.
As shown in Fig. 2, concentric arry has positioning column 31 made of three elastic materials, adjacent two positioning columns on support edge 3
Angle between 31 is 120 °, and the distance of 31 end of positioning column to 1 axis of positioning table is the half of workpiece diameter.First by workpiece set
On positioning table 1, support edge 3 holds workpiece, and staff's travelling workpiece is bonded the end of three positioning columns 31 all in workpiece
Wall positions workpiece for the first time, restarts clamping cylinder 14, will hold out against column 13 and stretches out, and ensure that the position of workpiece is accurate, keeps away
When exempting to hold out against 13 clamping workpiece of column, workpiece teetertotters, and machining accuracy is caused to reduce.
As shown in Fig. 2, the end of positioning column 31 is set as hemispherical.When workpiece is placed on support edge 3, workpiece falls in fixed
When the end of position column 31, hemispheric 31 end of positioning column can guide workpiece to be slipped to correct position.
As shown in Fig. 2, offering waist-shaped hole 32 on positioning column 31 vertically, positioning column 31, which is provided with, passes vertically through waist-shaped hole 32
Locking stud 33, locking stud 33 with hold in the palm edge 3 be threadedly coupled.Different workpiece, size is different, can unscrew locking at this time
Stud 33, running fix column 31 guarantee that the end of positioning column 31 can just be bonded inside workpiece, improve the scope of application.
Claims (7)
1. a kind of centralized positioning clamping mechanism, it is characterised in that: including positioning table (1), the centre of the positioning table (1) is through with
Through-hole, the positioning table (1) are provided with the guide rod (11) of fitting through-hole sliding, and the top of the guide rod (11) is set as the frustum of a cone
Shape, the positioning table (1) radially open up there are three adjacent angle be 120 ° pilot hole (12), each pilot hole (12)
Interior fitting sliding has one to hold out against column (13), the top of end fitting guide rod (11) for holding out against column (13), the positioning table
(1) lower section is provided with the clamping cylinder (14) of drive leader (11) rising, is provided on the outside of the positioning table (1) for holding work
The support edge (3) of part.
2. centralized positioning clamping mechanism according to claim 1, it is characterised in that: each pilot hole (12) vertically to
Under offer accommodation groove, upper end insertion is provided in the accommodation groove and holds out against the drive rods (15) of column (13), the positioning table (1)
The accommodating hole (16) being located at immediately below each pilot hole (12) is offered, accommodating hole is inserted into the lower end of the drive rod (15)
(16), the positioning table (1) is provided with the plug screw (17) being threadedly coupled with the exit orifice of accommodating hole (16), and the accommodating hole (16) is interior
The spring (18) being provided between plug screw (17) and drive rod (15), when not stressing, the spring (18) is in expansion shape
State.
3. centralized positioning clamping mechanism according to claim 2, it is characterised in that: detachable below the positioning table (1)
It is connected with support base (2), offers the centre bore passed through for guide rod (11) among the support base (2), under the support base (2)
Side is provided with the connecting plate (21) for fixing to clamp cylinder (14).
4. centralized positioning clamping mechanism according to claim 3, it is characterised in that: prolong the lower surface of the positioning table (1)
The guide cylinder (22) having around through-hole is stretched, the outer diameter of the guide cylinder (22) is identical as the diameter of centre bore.
5. centralized positioning clamping mechanism according to claim 4, it is characterised in that: there is concentric arry on the support edge (3)
Positioning column (31) made of three elastic materials, the angle between adjacent two positioning columns (31) is 120 °, the positioning
The distance of column (31) end to positioning table (1) axis is the half of workpiece diameter.
6. centralized positioning clamping mechanism according to claim 5, it is characterised in that: the end of the positioning column (31) is arranged
For hemispherical.
7. centralized positioning clamping mechanism according to claim 6, it is characterised in that: opened up vertically on the positioning column (31)
Have waist-shaped hole (32), the positioning column (31) is provided with the locking stud (33) for passing vertically through waist-shaped hole (32), the locking screw
Column (33) is threadedly coupled with support edge (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822274147.6U CN209288827U (en) | 2018-12-29 | 2018-12-29 | Centralized positioning clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822274147.6U CN209288827U (en) | 2018-12-29 | 2018-12-29 | Centralized positioning clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209288827U true CN209288827U (en) | 2019-08-23 |
Family
ID=67650170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822274147.6U Expired - Fee Related CN209288827U (en) | 2018-12-29 | 2018-12-29 | Centralized positioning clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209288827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547349A (en) * | 2021-07-22 | 2021-10-26 | 深圳市强瑞精密装备有限公司 | Clamp mechanism |
-
2018
- 2018-12-29 CN CN201822274147.6U patent/CN209288827U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547349A (en) * | 2021-07-22 | 2021-10-26 | 深圳市强瑞精密装备有限公司 | Clamp mechanism |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 |