CN106425528B - Hand overturning clamp - Google Patents
Hand overturning clamp Download PDFInfo
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- CN106425528B CN106425528B CN201611132498.2A CN201611132498A CN106425528B CN 106425528 B CN106425528 B CN 106425528B CN 201611132498 A CN201611132498 A CN 201611132498A CN 106425528 B CN106425528 B CN 106425528B
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- 230000007246 mechanism Effects 0.000 claims abstract description 168
- 230000007306 turnover Effects 0.000 claims abstract description 47
- 230000000694 effects Effects 0.000 claims abstract description 40
- 230000000284 resting effect Effects 0.000 claims abstract description 30
- 230000003068 static effect Effects 0.000 claims abstract description 14
- 239000011159 matrix material Substances 0.000 claims description 43
- 238000000926 separation method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 13
- 230000033001 locomotion Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000036316 preload Effects 0.000 description 3
- 241001669679 Eleotris Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 206010036590 Premature baby Diseases 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- -1 lock pin Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Tyre Moulding (AREA)
Abstract
Hand overturning clamp provided by the invention, with traction mechanism, turnover mechanism, positioning mechanism, traction mechanism has the first Mobile Forms, the second Mobile Forms and resting state, when the first Mobile Forms traction mechanism and shaft limit part from, traction mechanism and shaft are servo-actuated portion's linkage when the first Mobile Forms, when the second Mobile Forms traction mechanism and shaft limit part from, it is relatively movable to be servo-actuated portion for traction mechanism and shaft when the second Mobile Forms, traction mechanism and the fitting of shaft limiting section when resting state, it is static to be servo-actuated portion for traction mechanism and shaft when resting state.Hand overturning clamp design provided by the invention is exquisite, its positioning mechanism can easily manual teardown workpiece, play the effect of two-way positioning, it might even be possible to be extended to multidirectional positioning, to adapt to the occasion of various angle demands, while there is accurate reliable locating effect.
Description
Technical field
The present invention relates to hand overturning clamps, are particularly suitable for the overturning and positioning of workpiece.
Background technique
The fixture of workpiece is widely used in the matching used occasion of all kinds of lathes.Workpiece in workpiece holder once needs to turn over
Turning, then it must be with the positioning mechanism for driving workpiece turning, and the existing positioning mechanism that need to have rotary movement is more huge,
And structure is more simple and crude.
Summary of the invention
To overcome drawbacks described above, the present invention provides compact-sized, the reliable hand overturning clamp of location structure.
Hand overturning clamp provided by the invention has traction mechanism, turnover mechanism, positioning mechanism, traction mechanism tool
There are the first Mobile Forms, the second Mobile Forms and resting state, turnover mechanism has shaft, and shaft has axial line, and axial line is straight
Line, shaft are overturn centered on axial line, and there is shaft shaft limiting section and shaft to be servo-actuated portion, traction mechanism when the first Mobile Forms
Traction mechanism and shaft are servo-actuated portion's linkage when with shaft limit part from, the first Mobile Forms, when the second Mobile Forms traction mechanism and
It is relatively movable to be servo-actuated portion for traction mechanism and shaft when shaft limit part is from, the second Mobile Forms, traction mechanism and turn when resting state
The fitting of axis limiting section, traction mechanism and shaft are servo-actuated that portion is static, and positioning mechanism has yoke plate, matrix, lock pin, base when resting state
Block has matrix locking cylinder, lock pin and yoke plate fixing assembling, and lock pin and matrix activity assembly relatively, lock pin have lock pin first
Inclined-plane, matrix locking cylinder have matrix piston rod, and matrix piston rod has matrix piston rod inclined-plane, and positioning mechanism has positioning
Locking cylinder, positioning and locking cylinder have positioning piston rod, and positioning piston rod has positioning piston rod inclined-plane, and lock pin has lock pin
Second inclined-plane.
Hand overturning clamp provided by the invention design is exquisite, positioning mechanism can easily manual teardown workpiece,
Play the effect of two-way positioning, it might even be possible to be extended to multidirectional positioning, to adapt to the occasion of various angle demands, simultaneously
With accurate reliable locating effect.
Below with reference to embodiment and attached drawing, invention is further described in detail.
Detailed description of the invention
Fig. 1 is one of the structure chart of embodiment one.
Fig. 2 is the two of the structure chart of embodiment one.
Fig. 3 is the three of the structure chart of embodiment one.
Fig. 4 is the four of the structure chart of embodiment one.
Fig. 5 is the five of the structure chart of embodiment one.
Fig. 6 is the shaft 201 of embodiment one and the structure chart of sleeve 322.
Fig. 7 is the structure chart with movable sprocket 206 and phantom ring 208 of embodiment one.
Fig. 8 is the structure chart of the matrix piston rod 306 of embodiment one.
Fig. 9 is the structure chart of the lock pin 303 of embodiment one.
Figure 10 is the schematic diagram of the first Mobile Forms of the traction mechanism 100 of embodiment one.
Figure 11 is the schematic diagram of the second Mobile Forms of the traction mechanism 100 of embodiment one.
Figure 12 is that the traction mechanism 100 of embodiment one drives the schematic diagram of turnover mechanism 200.
Figure 13 is the schematic diagram that the traction mechanism 100 of embodiment one drives the flexible structure of turnover mechanism 200.
Figure 14 is the activity schematic illustration of the traction mechanism 100 of embodiment one.
Figure 15 is one of the structure chart of embodiment two.
Figure 16 is the two of the structure chart of embodiment two.
Figure 17 is the structure chart of the shaft 201 of embodiment two.
Figure 18 is one of the structure chart of embodiment three.
Figure 19 is the two of the structure chart of embodiment three.
Figure 20 is one of 300 structure chart of positioning mechanism of embodiment three.
Figure 21 is the two of 300 structure chart of positioning mechanism of embodiment three.
Figure 22 is the three of 300 structure chart of positioning mechanism of embodiment three.
Figure 23 is one of 303 structure chart of lock pin of embodiment three.
Figure 24 is the two of 303 structure chart of lock pin of embodiment three.
Specific embodiment
According to Fig. 1 to Figure 24, the embodiment of the present invention one, there is traction mechanism 100, turnover mechanism 200 and localization machine
Structure 300.
Traction mechanism 100 is the assembly of kit-of-parts, which is used to provide power to turnover mechanism 200, by its band
Dynamic 200 activity of turnover mechanism.Turnover mechanism 200 is also the assembly of multiple components, it will be supplied to required for its target living
Dynamic process.Positioning mechanism 300 is also the assembly of multiple components, it is the installation foundation for installing workpiece, and workpiece is can to change
Fixed clamp is in positioning mechanism 300 after varied angle or orientation.Turnover mechanism 200 is positioning mechanism 300 in the present embodiment
Installation foundation, the integral installation of positioning mechanism 300 is in turnover mechanism 200.
Traction mechanism 100 has the first Mobile Forms, the second Mobile Forms and resting state, traction mechanism when the first Mobile Forms
100 and turnover mechanism 200 separate and link, traction mechanism 100 and the separation of turnover mechanism 200 and opposite when the second Mobile Forms
Activity, traction mechanism 100 and turnover mechanism 200 are bonded and limit when resting state.
First Mobile Forms, the second Mobile Forms and resting state are all to express three engagement process, three processes respectively
Middle traction mechanism 100 and turnover mechanism 200 have mutual cooperation relationship, are respectively:
When traction mechanism 100 and turnover mechanism 200 are in the first Mobile Forms, the corresponding component for belonging to the two exists
It is spatially separated, but is exactly traction mechanism 100 between the two there are still the component that the two can be made to be connected
Associated components drive turnover mechanism 200 corresponding component；
When traction mechanism 100 and turnover mechanism 200 are in the second Mobile Forms, belong to the corresponding component of the two still
It is so spatially separated, but is opposite activity relationship both unlike the first Mobile Forms, some for both being both is quiet
Only and another relative to its activity, be exactly the associated components of traction mechanism 100 in activity and turnover mechanism 200 is
In static；
When traction mechanism 100 and turnover mechanism 200 are in resting state, the corresponding component for belonging to the two is fitting
, also just because of the two be bonded so that the two mutually limit with it is static.
First Mobile Forms have the first active path a, and the first active path a is straight line.First Mobile Forms are traction mechanisms
100 motion process, the first active path a is a virtual technical term, therefore is expressed in the accompanying drawings with dotted line, it is to lead
Draw the mechanics that mechanism 100 should follow, it is meant that traction mechanism 100 have preset along first active path
The rule of a line activities, the first linear active path a structure is relatively easy, is easy assembly and maintenance.
Second Mobile Forms have the second active path b, and the second active path b is straight line.First Mobile Forms are also led
Draw the motion process of mechanism 100, and the second active path b is also a virtual technical term, therefore in the accompanying drawings with dotted line
Expression, it is the mechanics that traction mechanism 100 should follow, it is meant that traction mechanism 100 is with presetting along this
The rule of second active path b line activities, the second linear active path b structure is relatively easy, is easy assembly and maintenance.
First active path a or the second active path b will not be limited only to rectilinear configuration, in fact realize traction mechanism
100 and turnover mechanism 200 three kinds of cooperation forms, the structure choice of traction mechanism 100 is infinite, for example, with the setted structure
Active path to can be circular or the first active path a be straight line, and the second active path b is then non-rectilinear, when
Can be complicated if structure is opposite if right first active path a and the second active path b different shaping, so that body becomes larger
Occupy more spaces.
First Mobile Forms have the first active path a, and the second Mobile Forms have the second active path b, the first active path a
With the second active path b reverse-fitting.Reverse-fitting herein refer to traction mechanism 100 the first Mobile Forms direction of motion and
The second Mobile Forms direction of motion of traction mechanism 100 is opposite, rather than refers to the first active path a and the second active path b sheet
The shape of body is on the contrary, for example for, just without saying forward or backwards, reversed setting can make for straight line above-mentioned or circular
Structure is obtained to simplify and performance stabilization.
Second Mobile Forms, resting state, the first Mobile Forms successively switch.This means that it is living to be transitioned into first from the second Mobile Forms
Dynamically, this engagement process of resting state can be all lived through, rather than ignores resting state and is directly realized by the first Mobile Forms and the second work
Dynamic switching, but this is also to need the state of debugging and debugging stage only for for the situation under normal operation,
Aforementioned two states all can manual intervention, it is not necessary to mutual conversion can be realized by resting state, its advantage is that bringing structure
Compact effect stable and reliable for performance.
Turnover mechanism 200 has shaft 201, and shaft 201 has axial line c, and axial line c is straight line, and shaft 201 is with axle center
It is overturn centered on line c.Use shaft 201 to be achieved the component of turn over function as the effect of mechanism 100 is towed, is easy to make
It makes and processes.Overturning can be described as turning round again or rotate.Shaft 201 is component more crucial in turnover mechanism 200, traction mechanism
100 first purpose is that its overturning of drive.Axial line c is the center line of shaft 201, and special instruction is explanation of the present invention
Lowercase in book attached drawing, such as a, b, c representative is all practical production on virtual technical term and geometric meaning
Product will appear a little subtle deviation because of reasons such as precision when assembling operation, but must not believe that the deviation can disengage it from this
The protection scope of invention, it will be understood that protection scope of the present invention includes that can be contained in claims of the present invention to be covered
Meaning.
There is shaft 201 shaft limiting section 203 and shaft to be servo-actuated portion 204, traction mechanism 100 and shaft when the first Mobile Forms
Limiting section 203 separates, and traction mechanism 100 and shaft are servo-actuated portion 204 and link when the first Mobile Forms, traction mechanism when the second Mobile Forms
100 and shaft limiting section 203 separate, traction mechanism 100 and shaft relatively movable, the resting state that is servo-actuated portion 204 when the second Mobile Forms
When traction mechanism 100 and shaft limiting section 203 be bonded, it is static to be servo-actuated portion 204 for traction mechanism 100 and shaft when resting state.Turn
The further refinement structure of axis 201 is the different portions that shaft 201 is marked off to shaft limiting section 203 and the servo-actuated portion 204 of shaft
Position, so that there are suitable reality constructs to be achieved for limit and servo-actuated two functions.When the first Mobile Forms and the second Mobile Forms
Traction mechanism 100 and shaft limiting section 203 all separate and do not contact respectively, and traction mechanism 100 when the first Mobile Forms
Portion 204 is servo-actuated with shaft to link, and is exactly the entirety that traction mechanism 100 drives the servo-actuated portion 204 of shaft or even shaft 201,
And traction mechanism 100 and the servo-actuated portion 204 of shaft are relatively movable when the second Mobile Forms, are exactly traction mechanisms 100 in independence
Activity and to be servo-actuated portion 204 static for shaft at this time, exactly because traction mechanism 100 and shaft limiting section 203 paste when resting state
Splice grafting makes shaft 201 whole static after touch.
There is shaft limiting section 203 shaft to limit plane 205.It can bring limit can by the increase contact area of face contact
The effect leaned on.
The tool of shaft limiting section 203 limits plane 205 there are two shaft, during two shafts limit planes 205 with axial line c are
The heart is symmetrical arranged.Increase contact area further to improve static effect when limit.
It is needed for the indexing that shaft 201 is overturn, there are four shaft limit plane tools of the invention, and symmetrically sets for two Duis
Set, be applied to limit when shaft 201 rotates 90 degree respectively, therefore the section of shaft 201 is square at this time, if similarly using
When the indexing occasion of other angles, such as 60 degree, then six shaft limit planes are preferably processed, and symmetrically set for three pairs
It sets, its section is hexagon at this time, and so on.
Traction mechanism 100 have cylinder block 101, cylinder piston rod 102, the first traction piece 103, the second traction piece 104 with
And push rod 105,104 fixing assembling of cylinder block 101 and the second traction piece, 102 fixing assembling of push rod 105 and cylinder piston rod push away
The activity assembly relatively of 103 fixing assembling of bar 105 and the first traction piece, cylinder piston rod 102 and cylinder block 101, the first traction piece
103 and second traction piece 104 be respectively provided with traction limiting section 106, two traction limiting sections 106 divide each other when the first Mobile Forms
Two traction limiting sections 106 close up each other when from, the second Mobile Forms, and two traction limiting sections 106 are respectively and overturning when resting state
Mechanism 200 is bonded and limits.
So-called fixing assembling refers to that in the operation operation after assembling be the relationship being fixed to each other, and this section compared with
For the assembly of activity relatively of specifically cylinder piston rod 102 and cylinder block 101, which contains two mistakes
Journey: one of which is the effectiveness of 102 script of cylinder piston rod, and the cylinder piston rod 102 is past in 101 inside cylinder barrel of cylinder block
Multiple movement, both cylinder block 101 is static and cylinder piston rod 102 is movable with respect to cylinder block 101；Wherein another is then to pressurize and produce
The raw power of promoting comprehensively to cylinder block 101, power of promoting comprehensively may be in initial press cylinder piston rods 102 in cylinder block 101
It has just been generated when movable in internal cylinder barrel, it is also possible to move to the limit of 101 inside cylinder barrel of cylinder block in cylinder piston rod 102
Caused by pressurization is both continued after side wall in position, but whether how, which is among the first Mobile Forms or second
Necessarily lead among Mobile Forms.
What two traction limiting sections 106 were separated from each other expression when the first Mobile Forms is increasing of the two in air line distance
Greatly, what otherwise two traction limiting sections 106 closed up expression each other when the second Mobile Forms both is the reduction in air line distance,
Two traction limiting sections 106 can make the limit to turnover mechanism 200 more reliable certainly, although a traction limit in principle
Portion 106 is already able to achieve the limit to turnover mechanism 200.It draws limiting section 106 and only draws limiting section 106 or the second in expression
Traction piece 104 is used to contact the position of turnover mechanism 200, substantially should be the first traction piece 103 and the second traction piece 104
Be separated from each other close up each other or with turnover mechanism 200 be bonded and limit.
Drawing limiting section 106 has a rigid backing plate 107, when resting state rigidity backing plate 107 and the fitting of turnover mechanism 200 and
Limit.Specifically rigid backing plate 107 is fixedly connected with traction limiting section 106, for contacting turnover mechanism 200, and should
Rigid backing plate 107 selects wear and shock-resistant material, to guarantee its service life.
Drawing limiting section 106 has resilient sleeper-bearing, and resilient sleeper-bearing and turnover mechanism 200 are bonded and limit when resting state.
Flexible material is compared to be easy to buffer for aforementioned rigid material, certain longer life expectancy, but in contrast positioning accuracy can be because becoming
Shape deviation and decline, but it is this deformation be quite subtle, if the deformation of larger stroke must then calculate preset change
Shape amount is without influencing positioning accuracy.
Drawing limiting section 106 has traction limit plane 108.In turnover mechanism 200 above-mentioned there is shaft to limit plane
When 205 premise, traction limit plane 108 will limit plane 205 with shaft and form face contact, and position-limiting action is stable and reliable.
Traction mechanism 100 has the first sliding block 109, the second sliding block 110 and line rail 111, the first traction piece 103 and first
109 fixing assembling of sliding block, 110 fixing assembling of the second traction piece 104 and the second sliding block, 111 straight line phase of the first sliding block 109 and line rail
To slidable fit, the second sliding block 110 and 111 straight line of line rail are with respect to slidable fit.
First traction piece 103 and the first sliding block 109 can be two individual components, be also possible to an integrated same material
Component, similarly the second traction piece 104 and the second sliding block 110 are also in this way, line rail 111 is to be fixedly mounted, then the first sliding block
109 and second the opposite sliding of sliding block 110 be for static line rail 111 for, thus the first traction piece 103 and second is drawn
Part 104 is also relatively stationary the sliding of line rail 111, similar to the matching relationship of train and rail.
Turnover mechanism 200 has with movable sprocket 206, and traction mechanism 100 has traction chain 112 and elastic traction part 113,
Traction chain 112 and engaging with movable sprocket 206 assembles, and traction chain 112 and elastic traction part 113 be linked and packed, the first activity
The preload of elastic traction part 113 when traction chain 112, the second Mobile Forms of 113 compensating action of elastic traction part, which acts on, when state leads
Draw chain 112.
Principle technical detail when what the structure of this section of record solved is traction mechanism 100 and the cooperation of turnover mechanism 200,
Traction mechanism 100 is driven with traction chain 112 to turn round with movable sprocket 206, but necessary added resilience traction piece 113, because leading
Drawing chain 112 will necessarily cause it relative to the distance change with movable sprocket 206, so relative position change can be compensated by needing
Compensating part, elastic traction part 113 at this time plays the role of this by elastic deformation, benefit when being the first Mobile Forms above-mentioned
The effect of repaying, and then need to prepare in advance for the movement of next round after the reset of traction chain 112, then it needs to keep and with movable sprocket
206 engagement, therefore elastic traction part 113 needs to pre-tighten and acts on traction chain 112, and the two is made to keep expanding force.
It is the two ways that traction mechanism 100 and its traction chain 112 match below:
Wherein mode one is referring primarily to Figure 13, is that traction mechanism 100 has the first towing point 114, traction chain 112 and the
One towing point, 114 fixing assembling.As long as so moving the first towing point 114, necessarily drives traction chain 112 and be servo-actuated
Sprocket wheel 206 moves；
Second another way is that traction mechanism 100 has driving chain sprocket 115, traction chain 112 and driving chain sprocket 115 are nibbled
It attaches together and matches, 103 rolling assembling of driving chain sprocket 115 and the first traction piece,
103 fixing assembling of traction chain 112 and the first traction piece, elastic traction part 113 and the second traction piece 104 connection dress
Match.In the first traction piece 103 and the activity of the second traction piece 104, driving chain sprocket 115 just can drive traction chain 112 so that with
Movable sprocket 206 moves.
As can be seen that the difference of mode one and mode two is to drive the mode of traction chain 112, mode one is the equal of
Direct pull and mode two are the equal of that engagement drives, it is possible thereby to amplify out many derivative structures: may not necessarily lie in traction
The connection structure at 112 both ends of chain can connect 103 other end of the first traction piece with one end and connect the second traction piece 104；Or two
End is all connected to the first traction piece 103 or is all connected to the second traction piece 104；First towing point 114 may come from countless
Kind of its associated components for being installed, such as ball, straight-bar indicate the associated components with i in Figure 14.
This section be still aforementioned derivative structure accommodation, reference can be made to Figure 14: turnover mechanism 200 have supporting roller 207, dragger
Structure 100 has elastic traction part 113, elastic traction part 113 and 207 sliding friction of supporting roller and elasticity is drawn when the first Mobile Forms
It stretches, elastic traction part 113 and 207 sliding friction of supporting roller and elastical retraction when the second Mobile Forms.
Accommodation structure documented by the preceding paragraph, essence will be that elastic traction part 113 and the sliding friction of supporting roller 207 are matched
Conjunction relationship purely drives supporting roller 207 to turn round by the sliding friction that elastic traction part 113 supplies, but elastic traction part at this time
113 undertake the three-in-one effect of driving, elastic deformation, preload simultaneously, its elastic deformation effect and preload effect refers to respectively
It is aforementioned.
Elastic traction part 113 uses form of springs in the present embodiment, and both ends are separately connected traction chain 112 and second and lead
Draw part 104, this is eaily assembly method, but can be installed in remaining position of traction chain 112 completely, even
It can be and play connection relationship between the traction chain 112 of two-phase seperation.
Referring to Figure 15, traction mechanism 100 has the first towing point 114, and the first towing point 114 and axial line c have first
Line segment d is drawn, the first traction line segment d and axial line c is vertically-mounted, and the first traction line segment d increases when the first Mobile Forms.First leads
Lead segments d is substantially the first towing point 114 to the vertical line between axial line c, because the first towing point 114 is remote in the first Mobile Forms
Make its growth from shaft 201.
Traction mechanism 100 has the second towing point 116, and the second towing point 116 and axial line c have the second traction line segment e,
Second traction line segment e and axial line c is vertically-mounted, and the second traction line segment e increases when the first Mobile Forms.Second traction line segment e with
First traction line segment d of upper section is similarly.
First towing point 114 and the second towing point 116 have a traction line segment f, and traction line segment f increases when the first Mobile Forms.
Line between the traction line segment f i.e. two o'clock increases when the first Mobile Forms because of two o'clock separation, correspondingly, if the second work
It can then reduce because two o'clock is drawn close when dynamic.
Turnover mechanism 200 has phantom ring 208, pawl 209, and pawl 209 has resting state and Mobile Forms, traction mechanism
100 have traction teeth 117, and pawl 209 is in resting state when the first Mobile Forms, pawl 209 and traction teeth 117 when the first Mobile Forms
Opposing stationary, pawl 209 is in Mobile Forms when the second Mobile Forms, and pawl 209 and traction teeth 117 are relatively living when the second Mobile Forms
It is dynamic.
208 essence of phantom ring is the lasso for being socketed in the outside of shaft 201 and being secured to, and 117 essence of traction teeth is then
It is fixed on the gear ring of the inside with movable sprocket 206, if phantom ring 208 and traction teeth 117 are wanted to realize that linkage need to depend on pawl 209
The unidirectional follow-up action of bring, when 209 resting state of pawl are the first Mobile Forms of traction mechanism 100, at this time pawl 209 because and
Traction teeth 117 abuts and the two is static, therefore traction mechanism 100 passes through traction teeth 117 with 208 He of pawl 209 and phantom ring
The entirety of shaft 201, on the contrary pawl 209 is no longer on abutted position above-mentioned, traction teeth 117 and pawl when the second Mobile Forms
209 in activity cooperation relatively: can be traction teeth 117 and pawl 209 all in activity and has certain contact and association, popular
For to be traction teeth 117 skid with respect to pawl 209, also or 117 activity of traction teeth and pawl 209 is static etc..
Turnover mechanism 200 has elastic component 210, and pawl 209 and phantom ring 208 relatively rotate assembly, and elastic component 210 assembles
Between phantom ring 208 and pawl 209.
When using spring as elastic component 210, elastic component 210 is to act on pawl 209 always, pawl herein
209 and phantom ring 208 relatively rotate assembly refer to pawl 209 and phantom ring 208 there is the relationship that can be relatively rotated rather than
It is absolutely fixedly connected, but is pawl 209 as previously described and phantom ring 208 is still when having the first opposing stationary Mobile Forms
It carves, and in the second Mobile Forms is so-called relative rotation relationship.
When using spring as elastic component 210, specific structure is: phantom ring 208 is equipped with holding tank 211, first gear
Side 212 and the second rib 213, holding tank 211 and 208 avris space of phantom ring penetrate through so that pawl 209 is from side to fitting into
Enter the holding tank 211, holding tank 211 and the positive free surrounding space of phantom ring 208 penetrate through so that pawl 209 is outer under the action of the spring
Phantom ring 208 is protruded from, pawl 209 has rotation section 214 and abutting portion 215, and pawl 209 rotates around it in the geometry in portion 214
Central axis, pawl 209 link behind its abutting portion 215 and the conflict of traction teeth 117, and the first rib 212 acts on rotation-limited
Portion 214 makes pawl 209 be unlikely to deviate from holding tank 211, and the second rib 213 acts on limit abutting portion 215 and makes pawl
209, which are unlikely to evagination angle of departure, spends greatly.
Positioning mechanism 300 has yoke plate 301, matrix 302, lock pin 303, and matrix 302 has matrix locking cylinder 304, lock
The activity assembly relatively of 301 fixing assembling of pin 303 and yoke plate, lock pin 303 and matrix 302, lock pin 303 have the first inclined-plane of lock pin
305, matrix locking cylinder 304 has matrix piston rod 306, and matrix piston rod 306 has matrix piston rod inclined-plane 307.This section
Yoke plate 301 in the positioning mechanism 300 of record, for being directly loaded up workpiece to be added, workpiece to be added is fixedly connected with yoke plate 301,
Lock pin 303 is fixedly connected with yoke plate 301 again, therefore the assembly of workpiece to be added, yoke plate 301, lock pin 303 is an entirety, passes through base
The conflict on block piston rod inclined-plane 307 and the first inclined-plane of lock pin 305 agrees with the straight-line feed conversion of motion so that matrix piston rod 306
It is the whole activity relatively relative to substrate 302 where lock pin 303, its locking positioning in substrate 302 is completed, using oblique
The mode of face cooperation locks the effect that can have movement precisely with reduction abrasion.
Lock pin 303 has lock pin first through hole 308, and the first inclined-plane of lock pin 305 is located among lock pin first through hole 308.This
Lock pin 303 is divided into two parts by structure, and a part is used to that screw thread is arranged to be threadably secured assembly with yoke plate 301,
Lock pin first through hole 308 is then arranged in another part, the two sides when matrix piston rod inclined-plane 307 is located at lock pin first through hole 308
The position-limiting action that two sides can be played to it makes it promote or exit more smoothly.
When workpiece to be added is loaded into positioning mechanism 300, can also carry out relative to positioning mechanism 300 independently of turning over
The overturning of rotation mechanism 200, referred to as independent overturning, is unlikely to obscure with the overturning of aforementioned turnover mechanism 200, that is to say, that be added
Workpiece can be respectively there are two types of the mode of overturning: one is when turnover mechanism 200 is overturn, positioning mechanism 300 and workpiece to be added
It is whole to overturn therewith, even if the second is workpiece to be added can also be relative to 200 He of turnover mechanism when turnover mechanism 200 stops overturning
The independent overturning of positioning mechanism 300, the two can be performed sequentially certainly, can also synchronize progress.
Aforementioned independent overturning is able to achieve on the whole comprising Manual structure and two kinds of motor-driven structure:
Manual structure therein is embodiment three, and positioning mechanism 300 has positioning and locking cylinder 309, positioning and locking cylinder
309 have positioning piston rod 310, and positioning piston rod 310 has positioning piston rod inclined-plane 311.
This structure is additionally arranged second effect and operating principle is equal to the positioning and locking cylinder of matrix locking cylinder 304
309, but the direction of action of two locking cylinders is different, it, can be by workpiece to be added when any one locking cylinder moves back cylinder
It is unloaded from matrix 302 with yoke plate 301 and the whole of lock pin 303, and is loaded into another locking cylinder in variable locking direction
And by its locking, but need to manually adjust the fixed angle of lock pin 303 and workpiece to be added with respect to yoke plate 301 before loading, finally
Again the result of locking after obtaining making workpiece to be added to adjust the angle.
Two locking cylinders are all cooperation the first inclined-planes of lock pin 305 in lock pin 303 above-mentioned, naturally it is also possible to lock pin
303 improve, and are exactly that lock pin 303 has the second inclined-plane of lock pin 312.The direction on this second inclined-plane of lock pin 312 is different from lock pin
First inclined-plane 305, in order to what is cooperated with the contraposition of positioning piston rod inclined-plane 311, two inclined-planes correspondences respectively correspond two locking gas
Cylinder, the advantage on setting the second inclined-plane of lock pin 312 is need not be after the entirety of unloading workpiece and yoke plate 301 and lock pin 303 again
It goes to manually adjust the fixed angle of lock pin 303 and workpiece to be added with respect to yoke plate 301.
Lock pin 303 has the second through-hole of lock pin 333, and the second inclined-plane of lock pin 312 is located among the second through-hole of lock pin 333.Together
Sample can also when matrix piston rod inclined-plane 307 is located at the second through-hole 333 of lock pin, two sides can be on positioning piston rod inclined-plane 311
The position-limiting action that two sides are played to it makes it promote or exit more smoothly.
Matrix piston rod 306 has the first reference line g, and positioning piston rod 310 has the second reference line h, the first base
Line of collimation g and the second reference line h are vertically-mounted.First reference line g and the second reference line h is not two irregular shapes
The piston rod inclined-plane center line of shape, and it is respectively the center line of the cylinder barrel where they are installed, it is suitable for adjusting the angle perpendicular
Two processing stations occasion.
Lock pin first through hole 308 and the perforation assembly of the second through-hole of lock pin 333.So that 303 delicate structure of lock pin is compact.
The first inclined-plane of lock pin 305 and the intersection assembly of the second inclined-plane of lock pin 312.Both Figure of description have intersecting lens j.Thing
In reality, the first inclined-plane of lock pin 305 and the second inclined-plane of lock pin 312, lock pin first through hole 308 and the second through-hole of lock pin 333 are two-by-two all
It is identical moulding, therefore structure is more compact and the more brief beauty of appearance for lock pin 303.
Motor-driven structure therein is embodiment one and embodiment two, and positioning mechanism 300 has positioning cylinder 313, positioning pin
Axis 314 and positioning gear 315, positioning cylinder 313 have piston rod rack gear 316, position gear 315 and piston rod rack gear 316
Engagement assembly, 302 fixing assembling of alignment pin 314 and matrix, alignment pin 314 and positioning 315 fixing assembling of gear.Piston rod
Rack gear 316 is the rack gear that 313 piston rod of positioning cylinder periphery is arranged in, it, which can be, directly processes on the piston rod and obtained,
It fills and is fixed on the piston rod after being also possible to, pass through the linear motion of 313 piston rod of positioning cylinder, drive positioning gear 315
And rotated together with the alignment pin 314 of its fixation, matrix 302, adjust the angle and orientation relative to turnover mechanism 200.
Matrix 302 has the first positioning region of matrix 317, and positioning cylinder 313 has piston rod positioning region 318.This two fixed
Position portion is by inconsistent cooperation, and 318 essence of piston rod positioning region is the face at the end end of piston rod in positioning cylinder 313, definitely
Ground say be by piston rod positioning region 318 move along a straight line so that by its tailpiece of the piston rod end push matrix 302, positioning gear 315 with
And alignment pin 314, but the matching relationship of the two does not occur in the linearly operating of each positioning cylinder 313, this
It is to be completed because the main positioning of matrix 302 cooperates by rack-and-pinion above-mentioned, only cooperates in rack-and-pinion and occur
Error either because abrasion cause rack-and-pinion occur dallying etc. situations when, both aforementioned conflict can just occur and bring auxiliary
The result of positioning.
In addition be also provided with additional auxiliary location structure: positioning mechanism 300 has auxiliary positioning portion 319, and matrix 302 has
There is the second positioning region of matrix 320.Block is played the role of in the second positioning region of matrix 320, but nor the two can occur every time
Conflict as a result, but only generated when turning round excessive, therefore its tool is there are two inertia effect is prevented, one is preventing piston rod
Rack gear 316 drives the inertia bring revolution of positioning gear 315 excessive, the second is preventing piston rod positioning region 318 from driving matrix
The inertia bring of first positioning region 317 is turned round excessively, to play the effect of precise positioning.
Auxiliary positioning portion 319 has auxiliary through hole 321, the 321 activity assembly of alignment pin 314 and auxiliary through hole.Auxiliary is fixed
Position portion 319 and 321 essence of auxiliary through hole are all the different parts of a convex block, which can be arranged on the outer of shaft 201
Wall.It positions gear 315 and is located at centre, two sides are two auxiliary through hole 321 respectively, then are then two protrusions of matrix 302 outward
Position can simplify volume to be fixedly connected with the both ends of alignment pin 314 as far as possible while providing required performance.
Positioning mechanism 300 has cylinder set 322, cylinder set 322 and 201 fixing assembling of shaft, and cylinder set 322 and shaft 201 are axial
Opposite roll adjustment assembles.When embodiment three selects this additional increased structure of cylinder set 322,319 He of auxiliary positioning portion above-mentioned
Convex block where auxiliary through hole 321 can cover the manufacture of 322 integral structures with cylinder and obtain, if but without cylinder set 322, then must
Segmented composite structure must be set by shaft 201 such as embodiment two, otherwise because convex block above-mentioned exists, the assembling of shaft 201 will
Can be it is very difficult, cylinder set 322 solves the problems, such as this easily,
The axially opposing roll adjustment assembly of cylinder set 322 and shaft 201 refers to that cylinder set 322 has the pin hole 323 of perforation, and has
Point of position axially back and forth, shaft 201 also have the pin hole 324 of perforation, and in this way after disassembly pin, cylinder set 322 can be opposite
Its axial activity in 201 front and back of shaft being socketed is completed to adjust after roll adjustment before and after completing again with pin simultaneously by the two fixing assembling
It is whole.
It remarks additionally, the positioning and locking cylinder 309 in Manual structure or the positioning cylinder 313 in motor-driven structure are made
With not identical, but installation site is identical, i.e., is all mounted in the end end of shaft 201.
Below in conjunction be applied to 900 occasion of sole mould as hand overturning clamp progress working principle integration introduction,
Sole mould 900 needs to process its five faces, but cutter is unidirectional when the processing of sole mould 900, it is therefore desirable to hand
Overturning clamp completes rotation to process four sides, and the process of one bottom surface of overturning processing, also has certainly more advanced
Multi-directional cutting tool engraving machine but enterprise at high cost and high-caliber operator is required, also or the three-dimensional of prematurity and enterprise at high cost is beaten
Print technology, therefore carrying out the processing of sole mould 900 using the hand overturning clamp at this stage is still more real scheme:
Sole mould 900 is connected to yoke plate 301 generally by being screwed, the matrix piston rod of matrix locking cylinder 304
306 promote, and lock pin 303 is locked, and the lock pin 303 of this process has a little displacement towards shaft 201, and cylinder block 101 is
The model of two-way function, since with air pressure capable of being increased, straight line is drawn close each other for the first traction piece 103 and the second traction piece 104, turn at this time
Axis 201 is unable to drive its common revolution because traction teeth 117 is skidded with respect to pawl 209, until continueing to the traction limit of two sides
Until plane 108 is bonded with the two sides shaft of shaft 201 limit plane 205 respectively, as so-called second Mobile Forms.
Resting state is that shaft 201 is static, the process of tool sharpening sole mould 900.
The revolution of shaft 201 can start when the first traction piece 103 and the second traction piece 104 are separated from each other, and first
When traction piece 103 and the second traction piece 104 separate, driving chain sprocket 115 is driven by traction chain 112 with movable sprocket 206, this
When pawl 209 and traction teeth 117 contradict completely to linking, drive the whole of phantom ring 208 and shaft 201 with movable sprocket 206
Body revolution, and elastic traction part 113 selects the spring for being relatively easy to obtain, and also starts stress stretching, plays compensation because first leads
Draw part 103 and the second traction piece 104 separate caused by 112 potential difference of traction chain, because needing to four sides of sole mould 900 all
It is processed, therefore shaft 201 needs to turn round four times, the angle turned round every time is 90 degree, certain first traction piece 103 and second
The farthest limits distance that traction piece 104 is separated from each other be it is preset, shaft 201 can just be driven to return and turn 90 degrees, reach most distal pole
The first Mobile Forms finish range line at this time from after, and the two draws close repetition the second Mobile Forms above-mentioned again later.
Supplementary explanation, whether Manual structure or motor-driven structure, are all double-stations, may correspond to double
Knife carries out operation simultaneously, to improve processing efficiency, it can be said that positioning mechanism 300 is dual, while being assemblied in overturning
The two sides of mechanism 200, Figure of description only mark one of positioning mechanism 300, the duplex of embodiment two and three
Position in different angle be intended merely to it is convenient its structure is shown, when actual job is synchronous and symmetrical.
The difference of embodiment one, two, three, the shaft 201 being in positioning mechanism 300 and turnover mechanism 200, says
Bright book attached drawing mainly shows the inside of embodiment one, but the traction mechanism 100 of three embodiments is all consistent, because
This can entirely by reference to the internal structure of embodiment one.
Claims (10)
1. hand overturning clamp, it is characterised in that:
With traction mechanism (100), turnover mechanism (200) and positioning mechanism (300),
Traction mechanism (100) has the first Mobile Forms, the second Mobile Forms and resting state,
Turnover mechanism (200) has shaft (201), and shaft (201) has axial line (c), and axial line (c) is straight line, shaft
(201) it is overturn centered on axial line (c),
Shaft (201) has that shaft limiting section (203) and shaft are servo-actuated portion (204), when the first Mobile Forms traction mechanism (100) and
Shaft limiting section (203) separation, traction mechanism (100) and shaft are servo-actuated portion (204) and link when the first Mobile Forms, the second Mobile Forms
When traction mechanism (100) and shaft limiting section (203) separation, traction mechanism (100) and shaft servo-actuated portion when the second Mobile Forms
(204) relatively movable, traction mechanism (100) and shaft limiting section (203) are bonded when resting state, traction mechanism when resting state
(100) and shaft servo-actuated portion (204) is static,
Positioning mechanism (300) has yoke plate (301), matrix (302), lock pin (303), and matrix (302) has matrix locking cylinder
(304), the activity assembly relatively of lock pin (303) and yoke plate (301) fixing assembling, lock pin (303) and matrix (302), lock pin (303)
With the first inclined-plane of lock pin (305), matrix locking cylinder (304) has matrix piston rod (306), matrix piston rod (306) tool
There is matrix piston rod inclined-plane (307),
Positioning mechanism (300) has positioning and locking cylinder (309), and positioning and locking cylinder (309) has positioning piston rod (310),
Positioning piston rod (310) has positioning piston rod inclined-plane (311), and lock pin (303) has the second inclined-plane of lock pin (312).
2. hand overturning clamp according to claim 1, it is characterised in that: traction mechanism (100) has the first towing point
(114), the first towing point (114) and axial line (c) have the first traction line segment (d), the first traction line segment (d) and axial line
(c) vertically-mounted, the first traction line segment (d) increases when the first Mobile Forms.
3. hand overturning clamp according to claim 1 or 2, it is characterised in that: traction mechanism (100) has the second towing point
(116), the second towing point (116) and axial line (c) have the second traction line segment (e), the second traction line segment (e) and axial line
(c) vertically-mounted, the second traction line segment (e) increases when the first Mobile Forms.
4. hand overturning clamp according to claim 3, it is characterised in that: the first towing point (114) and the second towing point
(116) there is traction line segment (f), traction line segment (f) increases when the first Mobile Forms.
5. hand overturning clamp according to claim 1 or 2, it is characterised in that: traction mechanism (100) has cylinder block
(101), cylinder piston rod (102), the first traction piece (103), the second traction piece (104) and push rod (105), cylinder block
(101) and the second traction piece (104) fixing assembling, push rod (105) and cylinder piston rod (102) fixing assembling, push rod (105) and
The activity assembly relatively of first traction piece (103) fixing assembling, cylinder piston rod (102) and cylinder block (101), the first traction piece
(103) traction limiting section (106) is respectively provided with the second traction piece (104), two traction limiting sections (106) when the first Mobile Forms
It is separated from each other, two traction limiting sections (106) are closed up each other when the second Mobile Forms, two traction limiting sections (106) when resting state
It is bonded and limits with turnover mechanism (200) respectively.
6. hand overturning clamp according to claim 5, it is characterised in that: traction mechanism (100) has the first sliding block
(109), the second sliding block (110) and line rail (111), the first traction piece (103) and the first sliding block (109) fixing assembling, second
Traction piece (104) and the second sliding block (110) fixing assembling, the first sliding block (109) and line rail (111) straight line with respect to slidable fit,
Second sliding block (110) and line rail (111) straight line are with respect to slidable fit.
7. hand overturning clamp according to claim 3, it is characterised in that: traction mechanism (100) have cylinder block (101),
Cylinder piston rod (102), the first traction piece (103), the second traction piece (104) and push rod (105), cylinder block (101) and
Two traction pieces (104) fixing assembling, push rod (105) and cylinder piston rod (102) fixing assembling, push rod (105) and the first traction
The activity assembly relatively of part (103) fixing assembling, cylinder piston rod (102) and cylinder block (101), the first traction piece (103) and the
Two traction pieces (104) are respectively provided with traction limiting section (106), and two traction limiting sections (106) are separated from each other when the first Mobile Forms,
Two traction limiting sections (106) are closed up each other when the second Mobile Forms, and two traction limiting sections (106) are respectively and overturning when resting state
Mechanism (200) is bonded and limits.
8. hand overturning clamp according to claim 7, it is characterised in that: traction mechanism (100) has the first sliding block
(109), the second sliding block (110) and line rail (111), the first traction piece (103) and the first sliding block (109) fixing assembling, second
Traction piece (104) and the second sliding block (110) fixing assembling, the first sliding block (109) and line rail (111) straight line with respect to slidable fit,
Second sliding block (110) and line rail (111) straight line are with respect to slidable fit.
9. hand overturning clamp according to claim 4, it is characterised in that: traction mechanism (100) have cylinder block (101),
Cylinder piston rod (102), the first traction piece (103), the second traction piece (104) and push rod (105), cylinder block (101) and
Two traction pieces (104) fixing assembling, push rod (105) and cylinder piston rod (102) fixing assembling, push rod (105) and the first traction
The activity assembly relatively of part (103) fixing assembling, cylinder piston rod (102) and cylinder block (101), the first traction piece (103) and the
Two traction pieces (104) are respectively provided with traction limiting section (106), and two traction limiting sections (106) are separated from each other when the first Mobile Forms,
Two traction limiting sections (106) are closed up each other when the second Mobile Forms, and two traction limiting sections (106) are respectively and overturning when resting state
Mechanism (200) is bonded and limits.
10. hand overturning clamp according to claim 9, it is characterised in that: traction mechanism (100) has the first sliding block
(109), the second sliding block (110) and line rail (111), the first traction piece (103) and the first sliding block (109) fixing assembling, second
Traction piece (104) and the second sliding block (110) fixing assembling, the first sliding block (109) and line rail (111) straight line with respect to slidable fit,
Second sliding block (110) and line rail (111) straight line are with respect to slidable fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611132498.2A CN106425528B (en) | 2016-12-09 | 2016-12-09 | Hand overturning clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611132498.2A CN106425528B (en) | 2016-12-09 | 2016-12-09 | Hand overturning clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106425528A CN106425528A (en) | 2017-02-22 |
| CN106425528B true CN106425528B (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611132498.2A Expired - Fee Related CN106425528B (en) | 2016-12-09 | 2016-12-09 | Hand overturning clamp |
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| Country | Link |
|---|---|
| CN (1) | CN106425528B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3503948A1 (en) * | 1985-02-06 | 1986-08-07 | Nagel Maschinen- und Werkzeugfabrik GmbH, 7440 Nürtingen | Workpiece holding device |
| JPS63245340A (en) * | 1987-03-27 | 1988-10-12 | Musashi Seimitsu Ind Co Ltd | Automating method for clutch piston cutting work |
| CN103042413A (en) * | 2012-12-31 | 2013-04-17 | 青特集团有限公司 | Turning hole making device |
| CN103100881A (en) * | 2012-12-09 | 2013-05-15 | 重庆巨康建材有限公司 | Turning clamping device |
| CN203853818U (en) * | 2014-03-20 | 2014-10-01 | 浙江师范大学 | Turning type clamp |
| CN104802023A (en) * | 2014-01-24 | 2015-07-29 | 富鼎电子科技(嘉善)有限公司 | Turn-over device |
-
2016
- 2016-12-09 CN CN201611132498.2A patent/CN106425528B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3503948A1 (en) * | 1985-02-06 | 1986-08-07 | Nagel Maschinen- und Werkzeugfabrik GmbH, 7440 Nürtingen | Workpiece holding device |
| JPS63245340A (en) * | 1987-03-27 | 1988-10-12 | Musashi Seimitsu Ind Co Ltd | Automating method for clutch piston cutting work |
| CN103100881A (en) * | 2012-12-09 | 2013-05-15 | 重庆巨康建材有限公司 | Turning clamping device |
| CN103042413A (en) * | 2012-12-31 | 2013-04-17 | 青特集团有限公司 | Turning hole making device |
| CN104802023A (en) * | 2014-01-24 | 2015-07-29 | 富鼎电子科技(嘉善)有限公司 | Turn-over device |
| CN203853818U (en) * | 2014-03-20 | 2014-10-01 | 浙江师范大学 | Turning type clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106425528A (en) | 2017-02-22 |
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Effective date of registration: 20221212 Address after: 276000 west of jiangouya village, Luoxi street, high tech Zone, Linyi City, Shandong Province Patentee after: SHANDONG GEXIN PRECISION CO.,LTD. Address before: 325000 No. 54 lane, Xishan West Road, Xinqiao street, Ouhai District, Wenzhou, Zhejiang, China 10 Patentee before: Pan Qianqian |
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Granted publication date: 20190219 |