CN207309272U - A kind of welding line vehicle body always spells Y-direction positioning locking mechanism - Google Patents
A kind of welding line vehicle body always spells Y-direction positioning locking mechanism Download PDFInfo
- Publication number
- CN207309272U CN207309272U CN201721206332.0U CN201721206332U CN207309272U CN 207309272 U CN207309272 U CN 207309272U CN 201721206332 U CN201721206332 U CN 201721206332U CN 207309272 U CN207309272 U CN 207309272U
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- CN
- China
- Prior art keywords
- connecting rod
- point
- cylinder
- locking mechanism
- vehicle body
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of welding line vehicle body always to spell Y-direction positioning locking mechanism, is related to detent mechanism technical field, and mounting base and cylinder are fixed on fixed workbench, and two linkages are symmetrically connected to cylinder output shaft end；Second connecting rod and third connecting rod front end are connected to first connecting rod tail end by connecting swivel point, end structure with being articulated with third connecting rod tail end forms linkage, first connecting rod front end is connected to cylinder output shaft end by connecting swivel point, and third connecting rod tail end is connected to fixed workbench by fixing point.The utility model can synchronously realize 2 points of positioning locking, and no poor synchronization, clamping force is consistent, and positioning is more steady, accurate；It is clamped using multi link dead point; during clamped condition, each connection swivel point of two linkages is located at same straight line, the turning point of two groups of first connecting rods, second connecting rod and third connecting rod is respectively positioned on same straight line; form the dead point mechanism of three interlockings, it is ensured that the self-locking performance and reliability of mechanism locking.
Description
Technical field
It the utility model is related to detent mechanism technical field, and in particular to a kind of two point form for weld car line positions
Locking mechanism.
Background technology
It is a procedure in automobile production to be welded, and the process is according to different automobile types, on welding and assembling production lines, for difference
The white body of vehicle is welded respective members.In general, need to design switching mechanism on welding line, to realize in a welding and assembling production lines
Produce the purpose of various.To meet welding line required precision, it is necessary to which Design Orientation locking mechanism determines switching mechanism
Position.
At present, welding line clamps the positioning locking form of any using single quadric chain of cylinder driving more, is known as single
Point location locking mechanism, the mode of One-Point Location locking is difficult to the stability requirement for meeting armamentarium, for stability requirement
Higher equipment, will can be positioned jointly using multiple One-Point Location locking mechanisms.But multiple One-Point Location locking mechanisms by
Multiple cylinders control respectively, the problem of poor synchronization can be produced during locking, and then causes clamping force uneven, influence welding line
Positioning accuracy.
Utility model content
The utility model is precisely in order to avoid the shortcoming present in the above-mentioned prior art, there is provided a kind of welding line car
Body always spells Y-direction positioning locking mechanism.
The utility model adopts the following technical scheme that to solve technical problem：A kind of welding line vehicle body is always spelled Y-direction positioning and is embraced
Crash structure, including two symmetrically arranged mounting bases and the cylinder between two mounting bases, the mounting base and the gas
Cylinder is fixed on fixed workbench, is respectively used to fix equipment and drive link mechanism carries out the equipment
Locking is positioned, two linkages are symmetrically connected to the cylinder output shaft end；Second connecting rod and third connecting rod front end pass through
Connection swivel point is connected to first connecting rod tail end, and the end structure with being articulated with the third connecting rod tail end forms the connecting rod machine
Structure, the first connecting rod front end are connected to the cylinder by the connection swivel point and export shaft end, the third connecting rod tail
End is connected to the fixed workbench by fixing point；The linkage can be under cylinder driving by the equipment two
Side compresses respectively to be positioned between two end structures and two mounting bases.
Further, under positioning locking mechanism locking state, each connection swivel point of two linkages is positioned at same
One straight line, makes the turning point of two groups of first connecting rods, second connecting rod and third connecting rod be respectively positioned on same straight line, formation three interlocks dead
Point mechanism.
Further, the end structure be in end furcations Y-shaped structure, two divergent ends be respectively fixing end and
Positioning end, the fixing end are hinged to the mounting base front end, and the end structure can be set under cylinder driving by described
Standby compress is positioned between the positioning end and the mounting base.
Further, the mounting base front end sets spacing bayonet, and the equipment is caught in the spacing bayonet, and by described
End structure compresses positioning.
Further, the cylinder output shaft end sets T junction, and passes through the T junction and two linkages
Connection.
Further, the first connecting rod, the second connecting rod, the third connecting rod and the end structure with it is described solid
Rotation connection is formed between fixed point or the connection swivel point.
The utility model provides a kind of welding line vehicle body and always spells Y-direction positioning locking mechanism, has the advantages that：
1st, 2 points of positioning locking can be synchronously realized, by single cylinder drive actions, no poor synchronization, clamping force one
Cause, make fixture positioning more steady, accurate；
2nd, it is clamped using multi link dead point, during clamped condition, each connection swivel point of two linkages is positioned at same
One straight line, makes the turning point of two groups of first connecting rods, second connecting rod and third connecting rod be respectively positioned on same straight line, formation three interlocks dead
Point mechanism, only could destroy dead point structural relation, it is ensured that the self-locking performance and reliability of mechanism locking under the effect of cylinder external force；
3rd, the reinforcement characteristic at dead point in multi-link structure is effectively utilized, the critical of dead point is gradually approached in multi-connecting-rod mechanism
In state procedure, the ratio of clamping force and driving force is intended to infinity, and great clamping force can be obtained under small driving force,
And can be in the case where external equipment be accurate in place, there is provided the power for constantly becoming big, so that equipment in place and holds lock tightly
Extremely；
4th, it is compact-sized, occupy little space；
5th, by single cylinder drive actions, compared to multiple One-Point Location locking mechanisms are used, manufacture cost is reduced.
Brief description of the drawings
Top view when Fig. 1 loosens for the utility model；
Bottom view when Fig. 2 is the utility model locking；
Fig. 3 is the structure diagram of the utility model linkage.
In figure：
1st, mounting base, 11, spacing bayonet；2nd, equipment；3rd, cylinder；41st, first connecting rod, the 42, second connecting rod, the 43, the 3rd connects
Bar, 44, fixing point, 45, connection swivel point, 46, end structure, 47, fixing end, 48, positioning end；5th, T junction.
Embodiment
Elaborate below to the embodiment of the utility model, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
As shown in FIG. 1 to 3, its structural relation is：Including two symmetrically arranged mounting bases 1 and positioned at two mounting bases
Cylinder 3 between 1, mounting base 1 and cylinder 3 are fixed on fixed workbench, be respectively used to fix equipment 2 and
Drive link mechanism carries out equipment 2 positioning locking, and two linkages 4 are symmetrically connected to cylinder 3 and export shaft end；Second connects
Bar 42 and 43 front end of third connecting rod are connected to 41 tail end of first connecting rod by connecting swivel point 45, with being articulated with third connecting rod 43
The end structure 46 of tail end forms linkage 4, and 41 front end of first connecting rod is connected to 3 output shaft of cylinder by connecting swivel point 45
End, 43 tail end of third connecting rod are connected to fixed workbench by fixing point 44；Linkage 4 can incite somebody to action under the driving of cylinder 3
2 both sides of equipment compress respectively to be positioned between two end structures 46 and two mounting bases 1.
Preferably, position under locking mechanism locking state, each connection swivel point 45 of two linkages 4 is located at always
Line, makes the turning point of two groups of first connecting rods 41, second connecting rod 42 and third connecting rod 43 be respectively positioned on same straight line, three interlockings of formation
Dead point mechanism.
Preferably, end structure 46 is in the Y-shaped structure of end furcations, two divergent ends is respectively fixing end 47 and determines
Position end 48, fixing end 47 are hinged to 1 front end of mounting base, and equipment 2 can be compressed and is positioned at by end structure 46 under the driving of cylinder 3
Between position end 48 and mounting base 1.
Preferably, 1 front end of mounting base sets spacing bayonet 11, and equipment 2 is caught in spacing bayonet 11, and is pressed by end structure 46
Tightening position.
Preferably, cylinder 3 exports shaft end and sets T junction 5, and is connected by T junction 5 with two linkages 4.
Preferably, first connecting rod 41, second connecting rod 42, third connecting rod 43 and end structure 46 and fixing point 44 or connect back to
Rotation connection is formed between turning point 45.
It is Z-direction with Y-direction vertical direction as shown in Figure 1, using 3 output shaft axis direction of cylinder as Y-direction, in drawing, vertical view
Face direction is X to the utility model is clamped especially suitable for the positioning of Y-direction high-precision requirement, while is interlocked and ensured by locking
The stability and reliability that positioning clamps.
When specifically used, on welding and assembling production lines, equipment 2 is switched in place, its both sides is connected in 1 front end of mounting base respectively
Spacing bayonet 11 in.Cylinder 3 drives the linkage 4 being attached thereto to move, and then makes positioning end 46 that equipment 2 is compressed positioning
In in the spacing bayonet 11 of mounting base 1.
During clamped condition, each connection swivel point 45 of two linkages 4 is located at same straight line, makes two groups of first connecting rods
41st, the turning point of second connecting rod 42 and third connecting rod 43 is respectively positioned on same straight line, forms the dead point mechanism of three interlockings, it is ensured that mechanism
The self-locking performance and reliability of locking.Simultaneously as the reinforcement characteristic at multi-connecting-rod mechanism dead point, under the small driving force of cylinder 3 i.e.
Great clamping force can be obtained；In the case where equipment 2 is accurate in place, linkage 4 pair can also be set under the driving of cylinder 3
Standby 2 provide the power for constantly becoming big, so that equipment 2 in place and is held tightly locked.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of welding line vehicle body always spells Y-direction positioning locking mechanism, including two symmetrically arranged mounting bases (1) and positioned at two
Cylinder (3) between mounting base (1), it is characterised in that：The mounting base (1) and the cylinder (3) are fixed on fixed work and put down
On platform, it is respectively used to fix equipment (2) and drive link mechanism carries out the equipment (2) positioning locking, two
A linkage (4) is symmetrically connected to the cylinder (3) output shaft end；Second connecting rod (42) and third connecting rod (43) front end lead to
Cross connection swivel point (45) and be connected to first connecting rod (41) tail end, the end structure with being articulated with the third connecting rod (43) tail end
(46) linkage (4) is formed, first connecting rod (41) front end is connected to described by the connection swivel point (45)
Cylinder (3) exports shaft end, and third connecting rod (43) tail end is connected to the fixed workbench by fixing point (44)；Institute
Stating linkage (4) can respectively compress the equipment (2) both sides under the cylinder (3) driving and be positioned at two end structures
(46) between two mounting bases (1).
2. a kind of welding line vehicle body according to claim 1 always spells Y-direction positioning locking mechanism, it is characterised in that：It is described fixed
Under position locking mechanism locking state, each connection swivel point (45) of two linkages (4) is located at same straight line, makes two group first
The turning point of connecting rod (41), second connecting rod (42) and third connecting rod (43) is respectively positioned on same straight line, forms the dead point machine of three interlockings
Structure.
3. a kind of welding line vehicle body according to claim 1 always spells Y-direction positioning locking mechanism, it is characterised in that：The end
End structure (46) is in the Y-shaped structure of end furcations, two divergent ends is respectively fixing end (47) and positioning end (48), described
Fixing end (47) is hinged to the mounting base (1) front end, and the end structure (46) can be under the cylinder (3) driving by described in
Equipment (2) is compressed and is positioned between the positioning end (48) and the mounting base (1).
4. a kind of welding line vehicle body according to claim 3 always spells Y-direction positioning locking mechanism, it is characterised in that：The peace
Dress seat (1) front end sets spacing bayonet (11), and the equipment (2) is caught in the spacing bayonet (11), and by the end structure
(46) positioning is compressed.
5. a kind of welding line vehicle body according to claim 1 always spells Y-direction positioning locking mechanism, it is characterised in that：The gas
Cylinder (3) output shaft end sets T junction (5), and is connected by the T junction (5) with two linkages (4).
6. a kind of welding line vehicle body according to claim 1 always spells Y-direction positioning locking mechanism, it is characterised in that：Described
One connecting rod (41), the second connecting rod (42), the third connecting rod (43) and the end structure (46) and the fixing point
(44) or between the connection swivel point (45) rotation connection is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721206332.0U CN207309272U (en) | 2017-09-19 | 2017-09-19 | A kind of welding line vehicle body always spells Y-direction positioning locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721206332.0U CN207309272U (en) | 2017-09-19 | 2017-09-19 | A kind of welding line vehicle body always spells Y-direction positioning locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207309272U true CN207309272U (en) | 2018-05-04 |
Family
ID=62383167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721206332.0U Withdrawn - After Issue CN207309272U (en) | 2017-09-19 | 2017-09-19 | A kind of welding line vehicle body always spells Y-direction positioning locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207309272U (en) |
-
2017
- 2017-09-19 CN CN201721206332.0U patent/CN207309272U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180504 Effective date of abandoning: 20230411 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180504 Effective date of abandoning: 20230411 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |