CN110238773A - Self-centering hem type tenses positioning mechanism in high precision - Google Patents
Self-centering hem type tenses positioning mechanism in high precision Download PDFInfo
- Publication number
- CN110238773A CN110238773A CN201910499644.2A CN201910499644A CN110238773A CN 110238773 A CN110238773 A CN 110238773A CN 201910499644 A CN201910499644 A CN 201910499644A CN 110238773 A CN110238773 A CN 110238773A
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- centering
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 230000033001 locomotion Effects 0.000 claims abstract description 41
- 238000013461 design Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000003796 beauty Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Clamps And Clips (AREA)
Abstract
The invention belongs to clamping jig technical field, be related to a kind of self-centering hem type of high-precision and tense include axially hollow housing unit, can the axial stretching in the housing unit hold down assembly and can be in the pulling assembly of the interior axial stretching that holds down assembly.Mechanism can Fast Installation positioning, reach integrated result, compact-sized beauty, it is at low cost, it can independently feel relieved from discharging, it can be realized flexible or remote locking operation simultaneously, optimization can be realized to the test space, humanized design and arrangement may be implemented to locking operation movement.
Description
Technical field
The present invention relates to clamping jig technical field, in particular to a kind of self-centering hem type of high-precision tenses localization machine
Structure.
Background technique
With the continuous development of domestic automobile industry, industry competition is increasingly fierce, and user is higher and higher to the quality of automobile
Requirement, vehicle factor be keep product competitiveness, to vehicle update and new model release step constantly accelerate while, each vapour
Man, depot has also turned to attention the exploitation of measuring technique also in new process of constantly employing new technology.The development of manufacturing technology
It also be unable to do without measuring technique simultaneously, the two complements each other, and promotes mutually.New measuring technique constantly discloses the deficiency of new process
Place is allowed to further innovate and be transformed, becomes more perfect.The element of cubing, fixture as measuring technique,
The effect that production scene is played is more and more obvious, the single vehicle special gauge of tradition, fixture form be gradually unable to satisfy
It is required that more stringent requirements are proposed for economy and capability of fast response of the depot to cubing, fixture supplier products, so meeting
Multi-functional, flexibility, high efficiency, low cost directly determine the satisfaction of client.
The clamping of market standard clamp, tapered expansion set are substantially used in the positioning clamping of existing cubing, fixture
It clamps and is used as clamp system, realize that master positioning point clamps positioning function by compressing with tapered expansion tightening, auxiliary anchor point is not
Has release function.
Prior art has the following disadvantages:
1, standard clamp, which clamps, taper expansion set is clamped only simply has clamping function as the such mechanism of clamping mechanical, and
It can only be used as other component attachmentes.
2, it cannot achieve the design of high-precision blocking criteria
3, it cannot achieve flexibility change and be switched fast dismounting
4, it cannot achieve standardization inventory, reduce the processing supply time
5, it cannot achieve self-centering Position Design.
6, positioning function is pulled down after cannot achieve clamping.
It is therefore desirable to develop a kind of mechanism to solve problem above.
Summary of the invention
The main purpose of the present invention is to provide a kind of self-centering hem types of high-precision to tense positioning mechanism, can independently determine
The heart, while can be realized flexible or remote locking operation.
The present invention is achieved through the following technical solutions above-mentioned purpose: a kind of self-centering hem type tension localization machine of high-precision
Structure, including axially hollow housing unit, can the axial stretching in the housing unit hold down assembly and can be in the pressure
The pulling assembly of axial stretching in tight component, the pulling assembly include the aligning set of interior flexible sandwich, connect elastic sandwich
And from the aligning set drag-line that is pierced by of top and for allowing aligning to cover the inner spring toward rear portion return；It is described to hold down assembly including axis
Core print seat is moved toward front return to hollow movement core print seat, the movement bolt being fixed on the outside of the movement core print seat, for allowing
Outer spring；The housing unit includes the ontology of the tubular for being equipped with motion profile slot and is pierced by positioned at body upper part for drag-line
Cover board, the motion profile slot includes long porose area, arcuate segments and the short-bore area of U-shaped connection, and the movement bolt passes through described
Motion profile slot.When movement bolt is located at long porose area, in the retraction housing unit that holds down assembly, when movement bolt is located at long porose area
When, in the prominent housing unit that holds down assembly.
Specifically, the upper inside wall of the ontology is equipped with interior protruding portion, the external wall of upper portion of the movement core print seat is equipped with
Agree with the outer protruding portion of the interior protruding portion, the rear portion of the ontology is equipped with the spring stop with aperture, the outer bullet
Spring one end supports spring stop, and the other end supports outer protruding portion.
Specifically, being equipped with sandwich baffle at the upper end opening of the aligning set, one end of the inner spring is held in sandwich
On baffle, the other end is held in the interior intracavitary of the movement core print seat.
Specifically, the movement core print seat is equipped with outer air hole, the aligning is put on equipped with interior air hole.
By adopting the above technical scheme, the beneficial effect of technical solution of the present invention is:
Mechanism can Fast Installation positioning, reach integrated result, compact-sized beauty is at low cost, can from discharge, can
Autonomous centering, while can be realized flexible or remote locking operation, optimization can be realized to the test space, to locking operation
Humanized design and arrangement may be implemented in movement.
Detailed description of the invention
Fig. 1 is the full sectional view that the self-centering hem type of high-precision tenses positioning mechanism；
Fig. 2 is the perspective view that the self-centering hem type of high-precision tenses positioning mechanism；
Fig. 3 is the perspective view of ontology；
Fig. 4 is the perspective view to hold down assembly；
Fig. 5 is the perspective view of pulling assembly.
Digital representation in figure:
1- housing unit, 11- ontology, 111- motion profile slot, protruding portion in 112-, 12- spring stop, 13- cover board；
2- holds down assembly, and 21- moves core print seat, the outer protruding portion of 211-, the outer air hole of 212-, 22- movement bolt, 23- positioning
Pressing plate, 24- outer spring；
3- pulling assembly, 31- aligning set, air hole in 311-, 32- elasticity sandwich, 33- sandwich baffle, 34- drag-line, 35-
Inner spring.
Specific embodiment
Invention is further described in detail combined with specific embodiments below.
Embodiment
As shown in Figures 1 to 5, the present invention is that a kind of self-centering hem type of high-precision tenses in positioning mechanism, including axial direction
Empty housing unit 1 can hold down assembly 2 and can be in the axial stretching in 2 that holds down assembly in the axial stretching in housing unit 1
Pulling assembly 3, pulling assembly 3 include the aligning set 31 of interior flexible sandwich 32, connect elastic sandwich 32 and cover 31 from aligning
Drag-line 34 that top is pierced by and for allowing aligning set 31 toward the inner spring 35 of lower part return；2 are held down assembly including axially hollow
Movement core print seat 21, the movement bolt 22 for being fixed on movement core print seat 21 outside, for allow move core print seat 21 toward top return outer bullet
Spring 24；Housing unit 1 includes the ontology 11 of the tubular for being equipped with motion profile slot 111 and is located at 11 top of ontology for drag-line 34
The cover board 13 being pierced by, motion profile slot 111 include long porose area, arcuate segments and the short-bore area of U-shaped connection, and movement bolt 22 passes through fortune
Dynamic track groove 11.When movement bolt 22 is located at long porose area, in the 2 retraction housing units 1 that hold down assembly, when movement bolt 22 is located at
When short-bore area, holding down assembly 2 protrudes from housing unit 1 from lower part.When carrying out step plane positioning, inserted when pushing down on movement
Be rotated by 90 ° behind 111 bottom of motion profile slot on pin 22 to ontology 11, thus drive hold down assembly 2 and pulling assembly 3 together to
Lower movement, outer spring 24 fast automatic can be retracted by compression position-limiting action when disengaging test piece.Elastic sandwich 32 is adopted
It is process with special elastic material, the part of taper fit is machined with the cutting groove at three (120 degree of interval), by elastic clip
The bottom of core 32 is separated into three elastic foots, and the wall thickness of trench bottom is 1mm.When carrying out aligning and tensing work, aligning set 31
Movement core print seat 32 between be unilateral gap be 0.25mm clearance fit, pull drag-line 34 when, elastic sandwich 32 overcomes interior bullet
The elastic force of spring 35 has the tendency that past aligning set 31 inside contracts, and receives and becomes in the lower end meeting of elastic sandwich 32 under the action of aligning set 31
Shape can thus clamp the column part of the work penetrated in elastic sandwich 32, aligning set 31 and 32 taper fit of elastic sandwich,
Can allow automatically elastic sandwich 32 with it with one heart, when release, inner spring 35 can keep aligning set 31 to clamp with elastic sandwich 32
State disengage workpiece can not, until pulling drag-line 34 again.Mechanism can Fast Installation positioning, reach integrated result, structure
Compact beauty, it is at low cost, it can independently feel relieved from discharging, while can be realized flexible or remote locking operation, it is right
The test space can be realized optimization, and humanized design and arrangement may be implemented to locking operation movement.
As shown in Figure 3 and Figure 4, the upper inside wall of ontology 11 is equipped with interior protruding portion 112, moves the external wall of upper portion of core print seat 21
It is equipped with the outer protruding portion 211 for agreeing with interior protruding portion 112, the rear portion of ontology 11 is equipped with the spring stop 12 with aperture,
24 one end of outer spring supports spring stop 12, and the other end supports outer protruding portion 211.Wherein adopted between ontology 11 and movement core print seat 21
With the design of the clearance fit of size concentric circles right-angled intersection formula (90 degree), it can be realized in this way and be precisely oriented to and position.
As shown in Figure 1 and Figure 5, it is equipped with sandwich baffle 33 at the upper end opening of aligning set 31, one end of inner spring 35 supports
In on sandwich baffle 33, the other end is held in the interior intracavitary of movement core print seat 21.33 side of sandwich baffle can resist elastic sandwich 32
Upper end, the other side resists inner spring 35.
As shown in Figure 1, Figure 4 and Figure 5, movement core print seat 21 is equipped with outer air hole 212, and aligning set 31 is equipped with interior air hole
311.Outer air hole 212 and interior air hole 311 can allow hold down assembly 2 inside that can ventilate, and avoid internal trapped gas and cause to move
It has some setbacks.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (4)
1. a kind of self-centering hem type of high-precision tenses positioning mechanism, it is characterised in that: including axially hollow housing unit, energy
Axial stretching in the housing unit hold down assembly and can be in the pulling assembly of the interior axial stretching that holds down assembly, institute
State the aligning set that pulling assembly includes interior flexible sandwich, the drag-line and use for connecting elastic sandwich and being pierced by from aligning set top
To allow aligning to cover the inner spring toward rear portion return；It is described to hold down assembly including axially hollow movement core print seat, be fixed on the fortune
Movement bolt on the outside of dynamic core print seat, for allow move core print seat toward front return outer spring；The housing unit includes one and sets
The cover board for having the ontology of the tubular of motion profile slot and being pierced by positioned at body upper part for drag-line, the motion profile slot includes U-shaped
Long porose area, arcuate segments and the short-bore area of connection, the movement bolt pass through the motion profile slot.When movement bolt is located at long hole
Qu Shi, in the retraction housing unit that holds down assembly, when moving bolt and being located at long porose area, in the prominent housing unit that holds down assembly.
2. the self-centering hem type of high-precision according to claim 1 tenses positioning mechanism, it is characterised in that: the ontology
Upper inside wall is equipped with interior protruding portion, and the external wall of upper portion of the movement core print seat is equipped with the outer protrusion for agreeing with the interior protruding portion
Portion, the rear portion of the ontology are equipped with the spring stop with aperture, and described outer spring one end supports spring stop, the other end
Support outer protruding portion.
3. the self-centering hem type of high-precision according to claim 1 tenses positioning mechanism, it is characterised in that: the aligning set
Upper end opening at be equipped with sandwich baffle, one end of the inner spring is held on sandwich baffle, and the other end is held in the fortune
Move the interior intracavitary of core print seat.
4. the self-centering hem type of high-precision according to claim 1 tenses positioning mechanism, it is characterised in that: the movement core
Seat is equipped with outer air hole, and the aligning is put on equipped with interior air hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910499644.2A CN110238773B (en) | 2019-06-11 | 2019-06-11 | High-precision self-centering external-holding type tensioning and positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910499644.2A CN110238773B (en) | 2019-06-11 | 2019-06-11 | High-precision self-centering external-holding type tensioning and positioning mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110238773A true CN110238773A (en) | 2019-09-17 |
| CN110238773B CN110238773B (en) | 2024-05-14 |
Family
ID=67886543
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|---|---|---|---|
| CN201910499644.2A Active CN110238773B (en) | 2019-06-11 | 2019-06-11 | High-precision self-centering external-holding type tensioning and positioning mechanism |
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| Publication number | Publication date |
|---|---|
| CN110238773B (en) | 2024-05-14 |
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