CN209062454U - Eccentric positioning seat - Google Patents
Eccentric positioning seat Download PDFInfo
- Publication number
- CN209062454U CN209062454U CN201821987541.8U CN201821987541U CN209062454U CN 209062454 U CN209062454 U CN 209062454U CN 201821987541 U CN201821987541 U CN 201821987541U CN 209062454 U CN209062454 U CN 209062454U
- Authority
- CN
- China
- Prior art keywords
- telescopic shaft
- sleeve
- positioning seat
- mounting hole
- positioning
- 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
Links
Abstract
The utility model discloses a kind of eccentric positioning seats, belong to tooling and fixture technical field, and which solve the defects for needing respectively to have made to order a set of positioning seat when the positioning of workpiece identical for two kinds of Circularhole diameters but decentraction in the prior art.It mainly includes positioning seat matrix, telescopic shaft, excentric sleeve, telescopic shaft is installed on the positioning seat matrix, mounting hole is opened up on the excentric sleeve, mounting hole and excentric sleeve are eccentric, the telescopic shaft can be plugged into mounting hole, and locating connector is installed between telescopic shaft and excentric sleeve.The utility model is positioned for workpieces processing identical to two kinds of Circularhole diameters but decentraction.
Description
Technical field
The utility model belongs to tooling and fixture technical field, specifically, more particularly to a kind of eccentric positioning seat.
Background technique
The identical workpiece of two kinds of Circularhole diameters, in the case where a small range decentraction, the thinking of existing tool locating is
A set of positioning seat is respectively made for each workpiece, each workpiece needs to change a whole set of positioning seat, inefficiency and influence weight when positioning
Multiple positioning accuracy.For example, just there are the above problem, various types of ears in the group weldering installation for loading otic placode in unit welder sequence at present
The case where plate is identical there are Circularhole diameter but decentraction is carrying out a group weldering installation Shi Douxu for the otic placode of every kind of model before
Have a set of positioning tool made to order.
Summary of the invention
The utility model aim is to provide a kind of eccentric positioning seat, to overcome in the prior art for two kinds of Circularhole diameter phases
Need respectively to have made to order the defect of a set of positioning seat when same but decentraction workpiece positioning.
The utility model adopts the following technical solutions realization: a kind of bias positioning seat, including positioning seat matrix, flexible
Axis, excentric sleeve install telescopic shaft on the positioning seat matrix, open up mounting hole on the excentric sleeve, mounting hole and eccentric
Axle sleeve is eccentric, and the telescopic shaft can be plugged into mounting hole, and locating connector is installed between telescopic shaft and excentric sleeve.
Further, the positioning seat matrix includes sleeve, opens up through-hole on positioning seat matrix, installation sleeve in through-hole,
Telescopic shaft is installed, the telescopic shaft is multi-diameter shaft, and telescopic shaft includes telescopic shaft front end and flexible shaft rear end, before telescopic shaft in sleeve
The diameter of axle at end is less than the diameter of axle of flexible shaft rear end, and the telescopic shaft front end can be plugged into mounting hole, outside the flexible shaft rear end
Side opens up rear end sliding slot, and perforation is opened up on sleeve, and interior installation positioning pin of perforating, positioning pin end is inserted into the sliding slot of rear end.
Further, the locating connector includes key, is opened respectively in telescopic shaft front end outer side face and mounting hole
If two front end sliding slots and two internal chutes, the key and front end sliding slot are interference fitted, key and internal chute clearance fit, same perpendicular
In straightforward face, the central point line of described two internal chutes passes through installation central point of hole, two internal chute central point lines and peace
The line for filling central point of hole and excentric sleeve axle center is conllinear or vertical.
Further, the flexible shaft rear end is fixedly connected with lead screw, and positioning sleeve, positioning is fixedly mounted in positioning seat matrix rear end
It puts on and opens up threaded hole, the lead screw is connected through a screw thread with positioning sleeve.
Further, described lead screw one end opens up T connector, and the groove with T connector cooperation, the T-type are opened up on telescopic shaft
Pressing plate is installed between head and telescopic shaft, the pressing plate is fixedly connected by screw with telescopic shaft.
Compared with prior art, the utility model has the beneficial effects that by positioning seat matrix install telescopic shaft and
Excentric sleeve, telescopic shaft and excentric sleeve are connected by key, excentric sleeve in same vertical section, the central point of mounting hole with
The shaft core position of excentric sleeve is not identical, and the central point line of two internal chutes, which passes through, installs central point of hole, in two internal chutes
Heart point line and installation central point of hole and the line in excentric sleeve axle center are conllinear or vertical, make excentric sleeve can be with when positioning
There are two types of positions when position, the i.e. initial position of excentric sleeve and deflection 180 degree, and the utility model is allow to position two simultaneously
Kind of Circularhole diameter is identical but the workpiece of decentraction, solves work identical for two kinds of Circularhole diameters but decentraction in the prior art
Part needs respectively to have made to order the defect of a set of positioning seat when positioning；By installing lead screw, when needing excentric sleeve to move horizontally, I
Only need rotating threaded shaft, lead screw relative positioning covers moving in rotation, while telescopic shaft and excentric sleeve being driven to move horizontally.
Detailed description of the invention
Fig. 1 is the utility model main view；
Fig. 2 is the state diagram I of the utility model；
Fig. 3 is the state diagram II of the utility model；
Fig. 4 is the explosive view of the utility model；
Fig. 5 is the positioning schematic of the utility model.
In figure: 1, positioning seat matrix；2, excentric sleeve；3, telescopic shaft；4, positioning pin；5, sleeve；6, lead screw；7, key；8,
Pressing plate；9, positioning sleeve；10, mounting hole；11, telescopic shaft front end；12, stretch shaft rear end；13, rear end sliding slot；14, front end sliding slot；
15, internal chute.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Embodiment 1:
A kind of bias positioning seat, including positioning seat matrix 1, telescopic shaft 3, excentric sleeve 2 are pacified on the positioning seat matrix 1
Telescopic shaft 3 is filled, mounting hole 10 is opened up on the excentric sleeve 2, mounting hole 10 and excentric sleeve 2 are eccentric, and the telescopic shaft 3 can be inserted
Enter into mounting hole 10, locating connector is installed between telescopic shaft 3 and excentric sleeve 2.
Embodiment 2:
A kind of bias positioning seat, the positioning seat matrix 1 include sleeve 5, open up through-hole on positioning seat matrix 1, in through-hole
Installation sleeve 5, sleeve 5 is interior to install telescopic shaft 3, and the telescopic shaft 3 is multi-diameter shaft, and telescopic shaft 3 includes telescopic shaft front end 11 and stretches
Contracting shaft rear end 12, the diameter of axle of telescopic shaft front end 11 are less than the diameter of axle of flexible shaft rear end 12, and the telescopic shaft front end 11 can be plugged into
In mounting hole 10, flexible 12 lateral surface of shaft rear end opens up rear end sliding slot 13, and perforation is opened up on sleeve 5, and interior installation of perforating is fixed
Position pin 4,4 end of positioning pin are inserted into rear end sliding slot 13；The locating connector includes key 7, outside the telescopic shaft front end 11
Two front end sliding slots 14 and two internal chutes 15, the key 7 and 14 interference of front end sliding slot are opened up in side and mounting hole 10 respectively
Cooperate, key 7 and 15 clearance fit of internal chute, in same vertical section, the central point line of described two internal chutes 15 passes through peace
10 central point of hole is filled, two 15 central point lines of internal chute are conllinear with the line in 2 axle center of 10 central point of mounting hole and excentric sleeve
Or it is vertical；The flexible shaft rear end 12 is fixedly connected with lead screw 6, and positioning sleeve 9, positioning sleeve 9 is fixedly mounted in 1 rear end of positioning seat matrix
On open up threaded hole, the lead screw 6 is connected through a screw thread with positioning sleeve 9；Described 6 one end of lead screw opens up T connector, on telescopic shaft 3
The groove with T connector cooperation is opened up, pressing plate 8 is installed, the pressing plate 8 is by screw and stretches between the T connector and telescopic shaft 3
Axis 3 is fixed；Other structures are same as Example 1.
As shown in figure 5, the utility model can realize the identical workpiece of two kinds of Circularhole diameters, in the feelings of a small range decentraction
It is quick and precisely positioned under condition.D1 and D2 is respectively the Circularhole diameter of two kinds of workpiece in figure, and D1=D2, two workpiece circular hole lines are
For eccentric distance L1,10 diameter of mounting hole is D3, the midpoint of 10 central point of mounting hole and two workpiece center of circular hole point lines
It is overlapped.
Telescopic shaft 3 described in the utility model is multi-diameter shaft, and telescopic shaft front end 11 is inserted into mounting hole 10, and stretch shaft rear end
12 cooperate with sleeve 5, and positioning slightly passes through sleeve 5 and is inserted into flexible 12 sliding slot of shaft rear end, can prevent telescopic shaft 3 from rotating,
Make telescopic shaft 3 can only be along horizontal rectilinear motion.
Excentric sleeve 2 can be according to the central point of the hole shape of workpiece to be machined and two kinds of workpiece circular holes in the utility model
Distance adjusts the position of the shape and mounting hole 10 of excentric sleeve 2 in excentric sleeve 2.
Positioning sleeve 9 is fixed by screw and positioning seat matrix 1 in the utility model, and lead screw 6 is threadedly coupled with positioning sleeve 9,
6 one end of lead screw opens up T connector, and T connector includes head and intermediate bar, and the center hole diameter on the pressing plate 8 is less than T connector head
The diameter in portion and the diameter for being greater than T connector intermediate bar, the thickness of pressing plate 8 are slightly less than the length of intermediate bar, and lead screw 6 passes through pressing plate 8
It is flexibly connected with telescopic shaft 3, when 6 relative positioning of lead screw set 9 rotates, since positioning sleeve 9 and positioning seat matrix 1 are fixed, so silk
Thick stick 6 can move in the horizontal direction, and telescopic shaft 3 is driven to move horizontally.
The utility model on positioning seat matrix 1 by installing telescopic shaft 3 and excentric sleeve 2, telescopic shaft 3 and excentric sleeve
2 are connected by key 7, and excentric sleeve 2 is in same vertical section, the central point of mounting hole 10 and the shaft core position of excentric sleeve 2
Not identical, the central point line of two internal chutes 15 passes through 10 central point of mounting hole, two 15 central point lines of internal chute and peace
The line for filling 10 central point of hole and 2 axle center of excentric sleeve is conllinear or vertical, and alloing excentric sleeve 2, there are two types of positions in positioning
Set, i.e., the initial position of excentric sleeve 2 and deflection 180 degree when position, so that the utility model is positioned two kinds of circular holes simultaneously
Diameter is identical but the workpiece of decentraction, the first two Circularhole diameter changed is identical but the workpiece of decentraction need tailor-made two sets calmly
The case where position seat, production cost is saved, has been improved work efficiency and positioning accuracy.
The course of work:
Before positioning, we pass through rotating threaded shaft 6 first and move telescopic shaft 3 outward, are moved horizontally to telescopic shaft 3
When operating position, workpiece is installed on excentric sleeve 2 by worker, i.e., excentric sleeve 2 is inserted into the hole matched on workpiece,
When we need to process another Circularhole diameter be identical but the workpiece of decentraction when, we only need excentric sleeve 2 rotating 180
Degree, then workpiece is installed on excentric sleeve 2.
Claims (5)
1. a kind of bias positioning seat, including positioning seat matrix (1), telescopic shaft (3) and excentric sleeve (2), it is characterised in that: described
Telescopic shaft (3) are installed on positioning seat matrix (1), are opened up mounting hole (10) on the excentric sleeve (2), mounting hole (10) and bias
Axle sleeve (2) is eccentric, and the telescopic shaft (3) can be plugged into mounting hole (10), install between telescopic shaft (3) and excentric sleeve (2)
Locating connector.
2. bias positioning seat according to claim 1, it is characterised in that: the positioning seat matrix (1) includes sleeve (5),
Through-hole is opened up on positioning seat matrix (1), installation sleeve (5) in through-hole, sleeve (5) is interior to install telescopic shaft (3), the telescopic shaft
It (3) is multi-diameter shaft, telescopic shaft (3) includes telescopic shaft front end (11) and flexible shaft rear end (12), the diameter of axle of telescopic shaft front end (11)
Less than the diameter of axle of flexible shaft rear end (12), the telescopic shaft front end (11) be can be plugged into mounting hole (10), after the telescopic shaft
End (12) lateral surface opens up rear end sliding slot (13), and perforation is opened up on sleeve (5), interior installation positioning pin (4) of perforating, positioning pin (4)
End is inserted into rear end sliding slot (13).
3. bias positioning seat according to claim 2, it is characterised in that: the locating connector includes key (7), described
Two front end sliding slots (14) and two internal chutes (15), institute are opened up respectively in telescopic shaft front end (11) lateral surface and mounting hole (10)
It states key (7) and front end sliding slot (14) to be interference fitted, key (7) and internal chute (15) clearance fit, in same vertical section, described two
The central point line of a internal chute (15) passes through mounting hole (10) midpoint, two internal chute (15) central point lines and mounting hole
(10) central point and the line in excentric sleeve (2) axle center are conllinear or vertical.
4. bias positioning seat according to claim 3, it is characterised in that: the flexible shaft rear end (12) is fixedly connected with lead screw
(6), positioning sleeve (9) are fixedly mounted in positioning seat matrix (1) rear end, open up threaded hole on positioning sleeve (9), the lead screw (6) and fixed
Position set (9) is connected through a screw thread.
5. bias positioning seat according to claim 4, it is characterised in that: described lead screw (6) one end opens up T connector, stretches
The groove with T connector cooperation is opened up on axis (3), pressing plate (8) is installed between the T connector and telescopic shaft (3), the pressing plate (8)
It is fixedly connected by screw with telescopic shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821987541.8U CN209062454U (en) | 2018-11-29 | 2018-11-29 | Eccentric positioning seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821987541.8U CN209062454U (en) | 2018-11-29 | 2018-11-29 | Eccentric positioning seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209062454U true CN209062454U (en) | 2019-07-05 |
Family
ID=67100738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821987541.8U Expired - Fee Related CN209062454U (en) | 2018-11-29 | 2018-11-29 | Eccentric positioning seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209062454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111232153A (en) * | 2020-03-03 | 2020-06-05 | 江南造船(集团)有限责任公司 | Ship body section shaft hole positioning tool and positioning method |
-
2018
- 2018-11-29 CN CN201821987541.8U patent/CN209062454U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111232153A (en) * | 2020-03-03 | 2020-06-05 | 江南造船(集团)有限责任公司 | Ship body section shaft hole positioning tool and positioning method |
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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: 20190705 Termination date: 20211129 |