CN209648119U - One kind having the quick-detachable eccentric pin of threaded hole and its pulls tooling - Google Patents
One kind having the quick-detachable eccentric pin of threaded hole and its pulls tooling Download PDFInfo
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- CN209648119U CN209648119U CN201920175163.1U CN201920175163U CN209648119U CN 209648119 U CN209648119 U CN 209648119U CN 201920175163 U CN201920175163 U CN 201920175163U CN 209648119 U CN209648119 U CN 209648119U
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- threaded hole
- eccentric pin
- ring flange
- quick
- positioning cylinder
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Abstract
Have the utility model discloses one kind and the quick-detachable eccentric pin of threaded hole and its pull tooling, including ring flange and sets up positioning cylinder, installation cylinder at left and right sides of it separately；The installation cylinder and the ring flange center are coaxial；The center of both the positioning cylinder and the ring flange has eccentricity, further includes the first threaded hole and/or the second threaded hole, and first threaded hole at least 2, and at circumference uniform distribution on the ring flange；Second threaded hole is located at the end of the positioning cylinder, and along the axial direction setting of the positioning cylinder；The ring flange is additionally provided with several 3 installation counterbores at circumference uniform distribution；First threaded hole and the installation counterbore are distributed on the same circumference of the ring flange.The utility model have many advantages, such as structure it is simple, it is convenient for disassembly and assembly, improve production efficiency.
Description
Technical field
The utility model relates to positioning pin technical fields, have the quick-detachable bias of threaded hole more particularly to one kind
Positioning pin and its pull tooling.
Background technique
In machining manufacture and engine cylinder block, cylinder head process, the positioning method of numerous lathes is using one side
Two pins are positioned, usually can be by adjusting bias positioning when the geometric tolerance of institute's converted products, which changes, to be needed to adjust
Sell the geometric tolerance to ensure product.When needing the geometric tolerance by adjusting eccentric pin to guarantee product, it is necessary to
Rapidly and efficiently remove former eccentric pin, further according to data point reuse eccentric pin.And setting-up eccentricity positions on lathe base
The hole of pin is usually blind hole (causing eccentric pin that cannot be knocked out from another direction of mounting hole), to guarantee product essence
The bottom outlet of setting-up eccentricity positioning pin is installed using minimum clearance fit again on degree, eccentric pin and lathe base, retracts pressure
After the screw of tight eccentric pin, eccentric pin still cannot be extracted easily quickly (because of cooperation precision and under long-term stress
Similar to interference fit), it results in requiring a great deal of time during retracting eccentric pin in this way and energy.Working as
Under modern fast-developing trend and mass production environment, solving the problems, such as to guarantee that production efficiency is particularly important rapidly and efficiently.For drop
The taking-up difficulty of low eccentric pin, accelerates to regulate the speed, save the production time, improve production efficiency etc., exploitation is badly in need of at scene
One kind having the quick-detachable eccentric pin of threaded hole.
Utility model content
The utility model aim is to propose that a kind of structure is simple, convenient for disassembly and assembly, raising production efficiency with threaded hole
Eccentric pin, while also propose the bias positioning pin pulls tool.
For this purpose, the utility model proposes one kind to have the quick-detachable eccentric pin of threaded hole.
Preferably, the utility model can also have following technical characteristic:
One kind having the quick-detachable eccentric pin of threaded hole, including ring flange and sets up separately at left and right sides of it
Positioning cylinder, installation cylinder；The installation cylinder and the ring flange center are coaxial；The positioning cylinder and the ring flange two
The center of person has eccentricity, further includes the first threaded hole and/or the second threaded hole, and first threaded hole at least 2, and
At circumference uniform distribution on the ring flange；Second threaded hole is located at the end of the positioning cylinder, and along the setting circle
The axial setting of column；The ring flange is additionally provided with several 3 installation counterbores at circumference uniform distribution；First threaded hole with it is described
Installation counterbore is distributed on the same circumference of the ring flange.
Further, first threaded hole has 3.
Further, first threaded hole and the installation counterbore interval are arranged.
Further, the left side of the ring flange is inclined-plane；The outer lateral method of the inclined-plane from the positioning cylinder
The surrounding of blue disk tilts.
Further, the end of the positioning cylinder is big chamfering.
Further, second threaded hole and the positioning cylinder central coaxial.
A kind of eccentric pin pulls tool, including circular support plate, stabilizer blade, attachment screw, and the stabilizer blade has 3,
And it is evenly arranged on the side of the support plate；Positioning corresponding with second screw thread hole site is also provided on the support plate
Hole；The attachment screw is set to be coupled with the location hole；The stabilizer blade is L-shaped, and lower end is equipped with and the installation counterbore position
Corresponding attachment device；The attachment device includes ladder-like connecting shaft, nut, padded, and the ladder connecting shaft is under
It is divided into the first thread segment, guide post, the second thread segment, interior hexagonal connector that diameter successively successively decreases on and；The stabilizer blade lower end
It is connect equipped with perforation, and by the perforation with the second thread segment of the ladder connecting shaft；The nut is located at second spiral shell
Line section, and in the top of the stabilizer blade；The padded lower surface is connected with spring；The diameter of the spring is greater than described the
The diameter of one thread segment；The lower end of the spring is connected with plain cushion；The diameter of the plain cushion is greater than the countersunk head of the installation counterbore
Diameter.
Further, the location hole is strip-shaped hole.
Further, the perforation is strip-shaped hole.
The beneficial effect that the utility model is compared with the prior art includes:
(1) the utility model structure is simple, easy to use, effectively improves the removal efficiency of eccentric pin, avoids simultaneously
It causes eccentric pin or lathe base to damage in disassembly process, economizes on resources；
(2) technical solution for providing plurality of optional can be selected with existing tool according to field condition in actual operation
Eccentric pin method for dismounting appropriate, it is practical；
(3) end of positioning cylinder is the big chamfering of the conical surface, and assembly efficiency can be improved；
(4) it is set as inclined-plane on the left of ring flange, under this structure, there are iron filings to fall in processing and transmission process fixed in bias
When on the pin of position, easily iron filings can be rinsed out by cuttings liquid along inclined-plane, iron filings accumulation be avoided, to influence to position
Precision；
(5) tool that pulls of the utility model passes through setting 3 stabilizer blades corresponding with installation counterbore position, and utilizes company
The thread segment of spindle pass through installation counterbore be connected in the threaded hole of pedestal, realize stabilizer blade fix, be not take up exterior space, not by
Outer space environment influences；Meanwhile spring tie spacer can be used for the height and position that plain cushion can be used for detecting 3 connecting shafts, really
The depth of the first thread segment precession pedestal of 3 connecting shafts is protected, support plate balance is kept；
(6) diameter of connecting shaft successively successively decreases, simple and practical in structure, and guide post provides the space that eccentric pin is extracted,
It is avoided that again and eccentric pin scraping collision；The confined planes of guide post and the second thread segment can prevent padded, stabilizer blade downslide.
Detailed description of the invention
Fig. 1 is the utility model eccentric pin main view partial sectional view；
Fig. 2 is the utility model eccentric pin left view；
Fig. 3 is that the utility model pulls tool schematic view of the front view；
Fig. 4 is that the utility model pulls tool overlooking structure diagram；
Fig. 5 is the ladder connecting axle structure schematic diagram that the utility model pulls tool.
Main appended drawing reference: 1, the second threaded hole；2, the first threaded hole；3, positioning cylinder；4, cylinder is installed；5, installation is heavy
Hole；6, ring flange；7, ring flange inclined-plane；10, attachment screw；11, support plate；12, nut；13, stabilizer blade；14, padded；15,
Spring；16, plain cushion；21, attachment device.
Specific embodiment
With reference to embodiment and compares attached drawing the utility model is described in further detail.It should be emphasized that
It is that following the description is only exemplary, rather than in order to limit the scope of the utility model and its application.
Referring to the following drawings, non-limiting and nonexcludability embodiment will be described, wherein identical appended drawing reference indicates
Identical component, unless stated otherwise.
Embodiment one
One kind as shown in Figs. 1-2 has the quick-detachable eccentric pin of threaded hole, including ring flange 6 and sets up separately
Positioning cylinder 3, installation cylinder 4 at left and right sides of it；The installation cylinder 4 and 6 central coaxial of ring flange.The positioning
The center of 6 the two of cylinder 3 and the ring flange has eccentricity, further includes the first threaded hole 2, first threaded hole 2 has 3
It is a, and at circumference uniform distribution on the ring flange 6.The ring flange 6 is additionally provided with 3 installation counterbores 5 at circumference uniform distribution.It is described
First threaded hole 2 is distributed on the same circumference of the ring flange 6 with the installation counterbore 5, and first threaded hole 2 and institute
State the interval setting of installation counterbore 5.
The further improvement of above-mentioned technical proposal, the left side of the ring flange 6 are set as inclined-plane 7, and the left side of ring flange 6 is
It is fixed with the same side of positioning cylinder 3.The surrounding of the outer lateral ring flange 6 of the self-positioning cylinder 3 in inclined-plane 7 tilts.Under this structure, In
There are iron filings to fall when on eccentric pin in processing and transmission process, easily can be rushed iron filings along inclined-plane by cuttings liquid
It washes off, iron filings accumulation is avoided, to influence positioning accuracy.The end of the positioning cylinder is set as big chamfering, submits dress
With efficiency.
The application method of this embodiment:
(1) after splitting out the screw for compressing eccentric pin, soket head cap screw is screwed in respectively into 3 the first threaded holes 2, after
Continuous rotation soket head cap screw, abuts the head of screw of 3 soket head cap screws with the pedestal of setting-up eccentricity positioning pin on lathe respectively；
(2) successively 3 soket head cap screws of precession, control the amount of feeding of 3 soket head cap screws, back and forth repeatedly six in precession
Angle screw, and eccentric pin produces the reaction force opposite with soket head cap screw direction of feed at this time, with interior hexagonal spiral shell
The continuous precession of ailhead, reaction force suffered by eccentric pin is increasing, and soket head cap screw gradually ejects eccentric pin.
Embodiment two:
One kind as shown in Figs. 1-2 has the quick-detachable eccentric pin of threaded hole, including ring flange 6 and sets up separately
Positioning cylinder 3, installation cylinder 4 at left and right sides of it；The installation cylinder 4 and 6 central coaxial of ring flange；The positioning
The center of 6 the two of cylinder 3 and the ring flange has eccentricity, further includes the second threaded hole 1, second threaded hole 1 is located at
The end of the positioning cylinder 3, and along the axial direction setting of the positioning cylinder 3.The ring flange 6 be additionally provided with 3 it is equal at circumference
The installation counterbore 5 of cloth.Second threaded hole 1 and 3 central coaxial of positioning cylinder.
Further improvement of this embodiment, the left side of the ring flange 6 are set as inclined-plane 7, and the left side of ring flange 6 is to fix
There is the same side of positioning cylinder 3.The surrounding of the outer lateral ring flange 6 of the self-positioning cylinder 3 in inclined-plane 7 tilts.Under this structure, processing
And there are iron filings to fall when on eccentric pin in transmission process, easily iron filings can be rinsed along inclined-plane by cuttings liquid
Fall, iron filings accumulation is avoided, to influence positioning accuracy.The end of the positioning cylinder is set as big chamfering, submits assembly
Efficiency.
The application method of the present embodiment:
(1) after splitting out the screw for compressing eccentric pin, 1 stud is screwed in the second threaded hole 1, and in the stud
The other end connect with the tool of pulling, be linked together eccentric pin with drawing device；
(2) drawing device is extracted or knocks out and can takes out eccentric pin simultaneously, then by eccentric pin and double end spiral shell
Post separation completes eccentric pin and takes out operation.
Embodiment three
One kind as shown in Figs. 1-2 has the quick-detachable eccentric pin of threaded hole, including ring flange 6 and sets up separately
Positioning cylinder 3, installation cylinder 4 at left and right sides of it；The installation cylinder 4 and 6 central coaxial of ring flange；The positioning
The center of both cylinder 3 and the ring flange 6 has eccentricity, further includes the first threaded hole 2 and the second threaded hole 1, and described the
One threaded hole 1 has 3, and at circumference uniform distribution on the ring flange 6.The ring flange 6 is additionally provided with 3 peaces at circumference uniform distribution
Fill counterbore 5.First threaded hole 2 is distributed on the same circumference of the ring flange 6 with the installation counterbore 5, and described the
One threaded hole 2 is arranged with the installation counterbore 5 interval.Second threaded hole 1 is located at the end of the positioning cylinder 3, and edge
The axial setting of the positioning cylinder 3, second threaded hole 1 and 3 central coaxial of positioning cylinder.
Further improvement of this embodiment, the left side of the ring flange 6 are set as inclined-plane, and the left side of ring flange 6 is to fix
There is the same side of positioning cylinder 3.The surrounding of the outer lateral ring flange 6 of the self-positioning cylinder 3 in inclined-plane 7 tilts.Under this structure, processing
And there are iron filings to fall when on eccentric pin in transmission process, easily iron filings can be rinsed along inclined-plane by cuttings liquid
Fall, iron filings accumulation is avoided, to influence positioning accuracy.The end of the positioning cylinder is set as big chamfering, submits assembly
Efficiency.
Combination of the present embodiment as embodiment one and the technical solution of embodiment two in actual operation can be according to existing
Situation and existing tool select eccentric pin method for dismounting appropriate.
Example IV
A kind of eccentric pin referring to shown in Fig. 3-5 pulls tool, including circular support plate 11, stabilizer blade 13, connection
Screw 10, the stabilizer blade 13 have 3, and are evenly arranged on the side of the support plate 11.It is also provided on the support plate 11 and institute
The corresponding bar shaped location hole in position of the second threaded hole 1 is stated, the bar shaped location hole is opened up along the radial direction of support plate 11.It is described
Attachment screw 10 is assemblied in the bar shaped location hole, and can be displaced along the direction that opens up of the location hole.In use, can also be
Big gasket is added on bar shaped location hole.The upper end of the stabilizer blade 13 is welded and fixed with support plate 11, and the two is in and is mutually perpendicular to shape
Connecting plate 131 is extended in state, lower end, which offers bar shaped perforation, assembles attachment device 21 in bar shaped perforation,
The L-shaped structure of the entirety of stabilizer blade 13.
The bar shaped perforation of connecting plate 131 is equipped with attachment device 21 corresponding with 5 position of installation counterbore.The connection
Device includes ladder-like connecting shaft, nut 12, padded 14, and the ladder connecting shaft is divided into what diameter successively successively decreased from bottom to top
First thread segment 17, guide post 18, the second thread segment 19, interior hexagonal connector 20.Guide post 18 provides eccentric pin and extracts
Space, and be avoided that and eccentric pin scraping collision.The confined planes of guide post 18 and the second thread segment 19 can prevent padded
14, stabilizer blade 13 glides.Second thread segment 19 successively assembles padded 14, the connecting plate 131 of stabilizer blade, nut 12 from bottom to top, pad
High piece 14 can be used according to working condition, can increase or decrease padded 14 thickness, to adapt to different working environments.
Padded 14 lower surface is connected with spring 15, and the diameter of the spring 15 is greater than first thread segment 17
Diameter.The lower end of the spring 15 is connected with plain cushion 16, and the countersunk head that the diameter of the plain cushion 16 is greater than the installation counterbore 5 is straight
Diameter.The cooperation plain cushion 16 of spring 15 can be used for detecting the height and position of 3 connecting shafts, it is ensured that the first thread segment 17 of 3 connecting shafts
The depth of precession lathe base screw hole is identical, and support plate 11 is kept to be in balance.
It would be recognized by those skilled in the art that above description make numerous accommodations be it is possible, so embodiment and attached
Figure is intended merely to describe one or more particular implementations.
Although having been described and describing the example embodiment for being counted as the utility model, those skilled in the art will be bright
It is white, it can be variously modified and is replaced, without departing from the spirit of the utility model.It is repaired furthermore it is possible to make many
Change so that specific condition to be fitted to the religious doctrine of the utility model, without departing from the utility model central concept described herein.
So the utility model is not only restricted to specific embodiment disclosed herein, but the utility model may further include that belong to this practical
All embodiments and its equivalent of novel range.
Claims (9)
1. one kind has the quick-detachable eccentric pin of threaded hole, determine at left and right sides of it including ring flange and setting up separately
Circle of position column, installation cylinder；The installation cylinder and the ring flange center are coaxial；Both the positioning cylinder and the ring flange
Center have eccentricity, it is characterised in that: further include the first threaded hole and/or the second threaded hole, first threaded hole is extremely
Rare 2, and at circumference uniform distribution on the ring flange；Second threaded hole is located at the end of the positioning cylinder, and edge
The axial setting of the positioning cylinder；The ring flange is additionally provided with several 3 installation counterbores at circumference uniform distribution；First spiral shell
Pit and the installation counterbore are distributed on the same circumference of the ring flange.
2. as described in claim 1 a kind of have the quick-detachable eccentric pin of threaded hole, it is characterised in that: described the
One threaded hole has 3.
3. as claimed in claim 2 a kind of have the quick-detachable eccentric pin of threaded hole, it is characterised in that: described the
One threaded hole and the installation counterbore interval are arranged.
4. as described in claim 1 a kind of with the quick-detachable eccentric pin of threaded hole, it is characterised in that: the method
The left side of blue disk is inclined-plane；The surrounding of the inclined-plane from the outer lateral ring flange of the positioning cylinder tilts.
5. as described in claim 1 a kind of with the quick-detachable eccentric pin of threaded hole, it is characterised in that: described fixed
The end of circle of position column is big chamfering.
6. as described in claim 1 a kind of have the quick-detachable eccentric pin of threaded hole, it is characterised in that: described the
Two threaded holes and the positioning cylinder central coaxial.
7. a kind of eccentric pin pulls tool, it is used to dismantle eccentric pin described in claim 1, feature exists
In: including circular support plate, stabilizer blade, attachment screw, the stabilizer blade has 3, and is evenly arranged on the side of the support plate；The branch
Location hole corresponding with second screw thread hole site is also provided on board；The attachment screw is set matches with the location hole
It connects；The stabilizer blade is L-shaped, and lower end is equipped with attachment device corresponding with the installation counterbore position；The attachment device packet
Ladder-like connecting shaft, nut, padded are included, the ladder connecting shaft is divided into the first screw thread that diameter successively successively decreases from bottom to top
Section, guide post, the second thread segment, interior hexagonal connector；The stabilizer blade lower end is equipped with perforation, and passes through the perforation and the ladder
Second thread segment of connecting shaft connects；The nut is located at second thread segment, and in the top of the stabilizer blade；It is described padded
Piece is set in second thread segment, and in the lower section of the stabilizer blade；The padded lower surface is connected with spring；The bullet
The diameter of spring is greater than the diameter of first thread segment；The lower end of the spring is connected with plain cushion；The diameter of the plain cushion is greater than
The countersunk head diameter of the installation counterbore.
8. a kind of eccentric pin as claimed in claim 7 pulls tool, it is characterised in that: the location hole is bar shaped
Hole.
9. a kind of eccentric pin as claimed in claim 7 pulls tool, it is characterised in that: the perforation is strip-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175163.1U CN209648119U (en) | 2019-01-31 | 2019-01-31 | One kind having the quick-detachable eccentric pin of threaded hole and its pulls tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920175163.1U CN209648119U (en) | 2019-01-31 | 2019-01-31 | One kind having the quick-detachable eccentric pin of threaded hole and its pulls tooling |
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| Publication Number | Publication Date |
|---|---|
| CN209648119U true CN209648119U (en) | 2019-11-19 |
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ID=68523752
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920175163.1U Active CN209648119U (en) | 2019-01-31 | 2019-01-31 | One kind having the quick-detachable eccentric pin of threaded hole and its pulls tooling |
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| Country | Link |
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| CN (1) | CN209648119U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112589372A (en) * | 2020-11-27 | 2021-04-02 | 中钢集团邢台机械轧辊有限公司 | Method for repairing pin hole of supporting roller |
| CN114932519A (en) * | 2022-06-22 | 2022-08-23 | 东风汽车股份有限公司 | Compound locating pin and tool |
-
2019
- 2019-01-31 CN CN201920175163.1U patent/CN209648119U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112589372A (en) * | 2020-11-27 | 2021-04-02 | 中钢集团邢台机械轧辊有限公司 | Method for repairing pin hole of supporting roller |
| CN112589372B (en) * | 2020-11-27 | 2022-04-01 | 中钢集团邢台机械轧辊有限公司 | Method for repairing pin hole of supporting roller |
| CN114932519A (en) * | 2022-06-22 | 2022-08-23 | 东风汽车股份有限公司 | Compound locating pin and tool |
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