CN109578408A - Quick change eccentric pin structure - Google Patents
Quick change eccentric pin structure Download PDFInfo
- Publication number
- CN109578408A CN109578408A CN201811540108.4A CN201811540108A CN109578408A CN 109578408 A CN109578408 A CN 109578408A CN 201811540108 A CN201811540108 A CN 201811540108A CN 109578408 A CN109578408 A CN 109578408A
- Authority
- CN
- China
- Prior art keywords
- eccentric
- pin
- key seat
- cam pin
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 238000003801 milling Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention belongs to tooling and fixture technical field, it is related to a kind of quick change eccentric pin structure, including cam pin seat supports block, the cam pin seat supports block is equipped with U-type groove, eccentric key seat is equipped in U-type groove, rotation setting cam pin in the vertical holes of the bias key seat, the upper end of the cam pin is equipped with positioning compression portion, positioning compression portion is eccentric structure, there are also the level locating mechanism for positioning to eccentric key seat horizontal direction and the vertically oriented mechanisms for positioning to eccentric key seat vertical direction on the cam pin seat supports block, wherein level locating mechanism is matched with the location hole on eccentric key seat, the top of eccentric key seat, lower part is matched with vertically oriented mechanism, realize horizontal and vertical direction positioning.The eccentric pin structure can be realized the quick-replaceable of cam pin, swift and convenient to operate.
Description
Technical field
The invention belongs to tooling and fixture technical field, are related to a kind of quick change eccentric pin structure.
Background technique
It is to have to consider the problems of to the positioning of vehicle body on automobile assembling assembly line, in order to realize the reliable location of vehicle body
The switching production of fixed and different automobile types needs easy to disassemble.Currently, generally vehicle body is fixed on the positioning using positioning pin, position
It is reliable convenient, but existing positioning pin while to vehicle body reliable location there is also a problem, be exactly not to be able to satisfy pair
The general positioning of different automobile types is fixed, i.e., positioning pin cannot easily and effectively carry out quick-replaceable.
Summary of the invention
For the present invention in view of the above-mentioned problems, providing a kind of quick change eccentric pin structure, which can be realized cam pin
Quick-replaceable, it is swift and convenient to operate.
A kind of technical solution according to the invention: quick change eccentric pin structure, which is characterized in that including cam pin seat supports
Block, the cam pin seat supports block are equipped with U-type groove, and eccentric key seat, the vertical holes of the bias key seat are equipped in U-type groove
Cam pin is arranged in middle rotation, and the upper end of the cam pin is equipped with positioning compression portion, and positioning compression portion is eccentric structure, the bias
There are also the level locating mechanism for being positioned to eccentric key seat horizontal direction and for vertical to eccentric key seat in key seat supporting block
The vertically oriented mechanism of direction positioning, wherein level locating mechanism is matched with the location hole on eccentric key seat, eccentric key seat
Top, lower part are matched with vertically oriented mechanism, realize horizontal and vertical direction positioning.
As a further improvement of the present invention, bulb plunger, the circumference table of cam pin are threadedly coupled on the eccentric key seat
Face is equipped with locating slot, and bulb plunger protrudes into locating slot.
As a further improvement of the present invention, eccentric key seat is stretched out in the cam pin lower part, and cam pin stretches out eccentric key seat
Shank be fixedly connected with cam pin rotary spanner.
As a further improvement of the present invention, the level locating mechanism includes being set on cam pin seat supports block to correspond to
Sleeve at U-type groove is slidably matched in sleeve and positioning pin is arranged, and sheathed spring on positioning pin, spring inner end passes through positioning pin
The lug boss of upper integrally connected limits, and the spring other end is limited by the sleeve step being arranged on sleeve.
As a further improvement of the present invention, the outer end of the positioning pin is provided with operation bulb, also sets up on positioning pin
There is the elastic cylindrical pin radially extended, elastic cylindrical pin is placed in the guide groove opened up on sleeve, realizes spring being enclosed within set
In cylinder.
As a further improvement of the present invention, the vertically oriented mechanism includes being set to the upper step of U-type groove upper end
And it is set to the lower step of U-type groove lower end, eccentric key seat upper flange is pressed in upper step upper surface, under eccentric key seat
Portion's flange is posted by the bottom surface of lower step.
The technical effects of the invention are that: product of the present invention is skillfully constructed rationally, is applicable in for existing for existing positioning pin
Vehicle is restricted, cannot carry out the requirement of adaptability replacement to positioning pin for different automobile types and develop design, so that of the invention
Product can quickly and effectively replace positioning pin according to the requirement of vehicle body, to adapt to the use of plurality of specifications model vehicle body
It is required that.
Detailed description of the invention
Fig. 1 is main view of the invention.
Fig. 2 is left view of the invention.
Fig. 3 is top view of the invention.
Fig. 4 is perspective view of the invention.
Specific embodiment
A specific embodiment of the invention is further described with reference to the accompanying drawing.
In Fig. 1 ~ 4, including cam pin seat supports block 1, U-type groove 2, upper step 3, lower step 4, cam pin rotary spanner
5, sleeve 6, sleeve step 6-1, positioning pin 7, lug boss 7-1, eccentric key seat 8, cam pin 9, positioning compression portion 9-1, ball head column
Plug 10, spring 11, locating slot 12, elastic cylindrical pin 13 etc..
As shown in Fig. 1 ~ 4, the present invention is a kind of quick change eccentric pin structure, including cam pin seat supports block 1, the cam pin
Seat supports block 1 is equipped with U-type groove 2, and eccentric key seat 8 is equipped in U-type groove 2, rotates and sets in the vertical holes of the bias key seat 8
Cam pin 9 is set, cam pin 9, which is rotatably dispose in, to be needed to take the limit for horizontally rotating direction on eccentric key seat 8, in order to avoid cam pin 9
Working condition and off working state are not distinguished, the technical solution used thus in the present invention: is threadedly coupled bulb on eccentric key seat 8
Plunger 10,180 ° of the circumferential surface interval of cam pin 9 are set there are two locating slot 12, and bulb plunger 10 protrudes into locating slot 12, real
The positioning in direction is now horizontally rotated to cam pin 9, i.e. bulb plunger 10 protrudes into the first locating slot and is in working condition, and pulls rotation and pulls
After 5 to 180 ° of hand, bulb plunger 10 protrudes into the second locating slot, is off working state.When bulb plunger 10 is not in locating slot 12,
For unsteady state, horizontally rotating can not be limited.Rotational positioning slot 12 is preferably cyclic annular arc groove.
In order to avoid eccentric key seat 8 rotates in U-type groove 2, in specific setting, 2 liang of side millings of U-type groove are put down, while partially
The shape of heart key seat 8 is 180 ° of the cylindrical body interval flat two sides of milling, and structure and U-type groove 2 effectively cooperate, according to service condition to inclined
When heart key seat 8 is replaced, the eccentric key seat 8 after replacement is placed in U-type groove 2 and is shifted onto trench bottom, passes through horizontal location
Mechanism can carry out effective position to eccentric key seat 8.
The upper end of cam pin 9 is equipped with positioning compression portion 9-1, and positioning compression portion 9-1 is that eccentric structure passes through at work
Rotation cam pin 9 is pressed in compressed part 9-1 on vehicle body, that is, realizes effective compression operation.
It there are also the level locating mechanism for positioning to eccentric 8 horizontal direction of key seat and is used on cam pin seat supports block 1
To eccentric 8 vertical direction of key seat positioning vertically oriented mechanism, wherein level locating mechanism with bias key seat 8 on location hole phase
Cooperation, top, the lower part of eccentric key seat 8 are matched with vertically oriented mechanism, realize horizontal and vertical direction positioning.
In order to realize the horizontal direction effective position to eccentric key seat 8, the level locating mechanism in the present invention is using as follows
Structure, including being set to the sleeve (6) corresponded at U-type groove 2 on cam pin seat supports block 1, being slidably matched in sleeve 6, it is fixed to be arranged
Position pin 7, sheathed spring 11 on positioning pin 7, lug boss 7-1 limit of 11 inner end of spring by integrally connected on positioning pin 7, spring
11 other ends are limited by the sleeve step 6-1 being arranged on sleeve 6.
The outer end of positioning pin 7 is provided with operation bulb, and the elastic cylindrical pin 13 radially extended is additionally provided on positioning pin 7,
Elastic cylindrical pin 13 is placed in the guide groove opened up on sleeve 6, and spring 11 is enclosed in sleeve 6 by realization.
In order to realize the effective position to eccentric 8 vertical direction of key seat, vertically oriented mechanism is using such as in product of the present invention
Flowering structure: including being set to the upper step 3 of 2 upper end of U-type groove and being set to the lower step 4 of 2 lower end of U-type groove, eccentric key seat 8
Upper flange is pressed in 3 upper surface of upper step, and the lower flange of eccentric key seat 8 is posted by the bottom surface of lower step 4.
Eccentric key seat 8 is stretched out in 9 lower part of cam pin, and the shank that cam pin 9 stretches out eccentric key seat 8 is fixedly connected with cam pin rotation
Spanner 5 realizes that the rotation to cam pin 9 is adjusted by rotation cam pin rotary spanner 5 when in use, so that cam pin 9 can
Effectively to compress vehicle body.
Claims (6)
1. a kind of quick change eccentric pin structure, which is characterized in that including cam pin seat supports block (1), the cam pin seat supports block
(1) U-type groove (2) are equipped with, are equipped with eccentric key seat (8) in U-type groove (2), rotated in the vertical holes of the bias key seat (8)
It is arranged cam pin (9), the upper end of the cam pin (9) is equipped with positioning compression portion (9-1), and positioning compression portion (9-1) is eccentric knot
Structure, there are also the level locating mechanisms and use for positioning to eccentric key seat (8) horizontal direction on the cam pin seat supports block (1)
In the vertically oriented mechanism positioned to eccentric key seat (8) vertical direction, wherein level locating mechanism is determined on eccentric key seat (8)
Position hole matches, and top, the lower part of eccentric key seat (8) are matched with vertically oriented mechanism, realizes horizontal and vertical direction positioning.
2. quick change eccentric pin structure as described in claim 1, it is characterised in that: be threadedly coupled ball on the bias key seat (8)
The circumferential surface of headpin plug (10), cam pin (9) is equipped with locating slot (12), and bulb plunger (10) protrudes into locating slot (12).
3. quick change eccentric pin structure as described in claim 1, it is characterised in that: cam pin is stretched out in cam pin (9) lower part
Seat (8), the shank that cam pin (9) stretches out eccentric key seat (8) are fixedly connected with cam pin rotary spanner (5).
4. quick change eccentric pin structure as described in claim 1, it is characterised in that: the level locating mechanism includes being set to partially
Correspond to the sleeve (6) at U-type groove (2) in heart key seat supporting block (1), is slidably matched in sleeve (6) and positioning pin (7) are set, it is fixed
Sheathed spring (11) on position pin (7), lug boss (7-1) limit of spring (11) inner end by integrally connected on positioning pin (7), bullet
Spring (11) other end is limited by the sleeve step (6-1) being arranged on sleeve (6).
5. quick change eccentric pin structure as claimed in claim 4, it is characterised in that: the outer end of the positioning pin (7) is provided with behaviour
Make bulb, the elastic cylindrical pin (13) radially extended is additionally provided on positioning pin (7), elastic cylindrical pin (13) is placed in sleeve (6)
On in the guide groove that opens up, spring (11) is enclosed in sleeve (6) by realization.
6. quick change eccentric pin structure as described in claim 1, it is characterised in that: the vertically oriented mechanism includes being set to U
The upper step (3) of type groove (2) upper end and the lower step (4) for being set to U-type groove (2) lower end, eccentric key seat (8) upper flange
It is pressed in upper step (3) upper surface, the lower flange of eccentric key seat (8) is posted by the bottom surface of lower step (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811540108.4A CN109578408B (en) | 2018-12-17 | 2018-12-17 | Quick-change eccentric pin structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811540108.4A CN109578408B (en) | 2018-12-17 | 2018-12-17 | Quick-change eccentric pin structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109578408A true CN109578408A (en) | 2019-04-05 |
| CN109578408B CN109578408B (en) | 2024-04-02 |
Family
ID=65930341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811540108.4A Active CN109578408B (en) | 2018-12-17 | 2018-12-17 | Quick-change eccentric pin structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578408B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310102A (en) * | 2021-12-02 | 2022-04-12 | 上海宝钢阿赛洛激光拼焊有限公司 | Splice welding electromagnet positioning device with workpiece fine adjustment mechanism |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030175088A1 (en) * | 2002-03-18 | 2003-09-18 | Nikken Kosakusho Works Ltd. | Tool holder |
| CN102909579A (en) * | 2011-08-01 | 2013-02-06 | 天津市中马骏腾精密机械制造有限公司 | Eccentric clamping fixture |
| CN203463444U (en) * | 2013-08-20 | 2014-03-05 | 沈阳透平机械股份有限公司 | Base positioning pin capable of adjusting mounting gap |
| CN204164118U (en) * | 2014-07-28 | 2015-02-18 | 中国汽车工业工程有限公司 | A kind of eccentric locking mechanism for vehicle body lifting appliance |
| CN106763061A (en) * | 2016-12-29 | 2017-05-31 | 江苏省无锡探矿机械总厂有限公司 | Quick pins |
| CN107877420A (en) * | 2017-12-09 | 2018-04-06 | 无锡特恒科技有限公司 | Elastic taper pin positioning mechanism |
| CN107956772A (en) * | 2017-12-28 | 2018-04-24 | 东风商用车有限公司 | Eccentric pin structure |
| CN209604386U (en) * | 2018-12-17 | 2019-11-08 | 天奇自动化工程股份有限公司 | Quick change eccentric pin structure |
-
2018
- 2018-12-17 CN CN201811540108.4A patent/CN109578408B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030175088A1 (en) * | 2002-03-18 | 2003-09-18 | Nikken Kosakusho Works Ltd. | Tool holder |
| CN102909579A (en) * | 2011-08-01 | 2013-02-06 | 天津市中马骏腾精密机械制造有限公司 | Eccentric clamping fixture |
| CN203463444U (en) * | 2013-08-20 | 2014-03-05 | 沈阳透平机械股份有限公司 | Base positioning pin capable of adjusting mounting gap |
| CN204164118U (en) * | 2014-07-28 | 2015-02-18 | 中国汽车工业工程有限公司 | A kind of eccentric locking mechanism for vehicle body lifting appliance |
| CN106763061A (en) * | 2016-12-29 | 2017-05-31 | 江苏省无锡探矿机械总厂有限公司 | Quick pins |
| CN107877420A (en) * | 2017-12-09 | 2018-04-06 | 无锡特恒科技有限公司 | Elastic taper pin positioning mechanism |
| CN107956772A (en) * | 2017-12-28 | 2018-04-24 | 东风商用车有限公司 | Eccentric pin structure |
| CN209604386U (en) * | 2018-12-17 | 2019-11-08 | 天奇自动化工程股份有限公司 | Quick change eccentric pin structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310102A (en) * | 2021-12-02 | 2022-04-12 | 上海宝钢阿赛洛激光拼焊有限公司 | Splice welding electromagnet positioning device with workpiece fine adjustment mechanism |
| CN114310102B (en) * | 2021-12-02 | 2024-05-10 | 上海宝钢阿赛洛激光拼焊有限公司 | Welding electromagnet positioning device with workpiece fine-tuning mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109578408B (en) | 2024-04-02 |
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