CN109849320A - A kind of film sticking equipment - Google Patents
A kind of film sticking equipment Download PDFInfo
- Publication number
- CN109849320A CN109849320A CN201711244416.8A CN201711244416A CN109849320A CN 109849320 A CN109849320 A CN 109849320A CN 201711244416 A CN201711244416 A CN 201711244416A CN 109849320 A CN109849320 A CN 109849320A
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- diaphragm
- hole
- lower diaphragm
- unit
- film sticking
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Abstract
The invention discloses a kind of film sticking equipments, it is for a band-like coiled upper diaphragm to fit together with a lower diaphragm, the upper diaphragm all has several corresponding the first holes for being arranged in two sides and front and back equidistant interval, several the second holes being located in front of first hole with the lower diaphragm, and several third holes for being located at wherein the first hole of side rear, the film sticking equipment includes: two stitching units, relatively rotates be bonded the upper diaphragm and the lower diaphragm with roll compacting up and down；One cutter unit is located on rear side of the stitching unit, the lower diaphragm can be cut off by driving；One traction device, it is movably corresponding to be located at the cutter unit rear, for drawing the lower diaphragm；One rising sensor, is mounted on the traction device, the position in the first hole for detecting the lower diaphragm；And one to level sensor, is located above the lower film piece and corresponding is located at the rising sensor rear, the position in the third hole for detecting the lower diaphragm.
Description
Technical field
The present invention relates to the invention relates to a kind of film sticking equipment, more particularly to a kind of for by two coiled films
Film sticking equipment, method for adhering film and the pad pasting traction device that piece is bonded to each other above and below.
Background technique
Industry has been developed that various film sticking equipments at present, to paste touch panel, backlight module using automated machine
Or the Multilayer Films such as other optical plates, the film sticking equipment of general sheet fitting are adsorbed respectively using upper and lower two film sticking apparatus
After a piece of diaphragm, then it is bonded in opposite directions close to by the diaphragm roll compacting, that is, diaphragm is bonded to sheet mode with piece, and being can be big
Diaphragm is measured and rapidly pastes, dealer is that pole thinks to be bonded diaphragm in a manner of roll-to-roll, and then develops a kind of patch of web-like fitting
Film device, the stitching unit relatively rotated it includes about two, when use by two it is coiled and between the upper and lower every diaphragm together
It is sent between the stitching unit, the diaphragm is rolled and is bonded.
However although the film sticking equipment of above-mentioned web-like fitting can be used to persistently paste coiled upper and lower diaphragm, but by institute
Stating diaphragm is bar-shape, if the diaphragm after fitting will so nearmis occurs in the diaphragm for being sent into stitching unit when pasting
Can be there is a situation where dislocation deviation be increasing, that is, diaphragm back segment almost becomes the faulty materials not being available, product is good
Product rate is low, at high cost, therefore above-mentioned film sticking equipment is still to be improved in design.
Summary of the invention
To solve existing technical problem, the purpose of the present invention is to provide a kind of film sticking equipment, method for adhering film and
Pad pasting traction device.
To achieve the goals above, the embodiment of the present invention provides a kind of film sticking equipment on one side, is for will be band-like
A coiled upper diaphragm fits together with a lower diaphragm, and the upper diaphragm and the lower diaphragm all have several corresponding be arranged in
It two sides and the first hole of front and back equidistant interval, several the second holes being located in front of first hole and several is located at
The wherein third hole at the first hole of side rear, which includes: two stitching units, relatively rotates be bonded with roll compacting up and down
The upper diaphragm and the lower diaphragm；One cutter unit is located on rear side of the stitching unit, the lower diaphragm can be cut off by driving；
One traction device, it is movably corresponding to be located at the cutter unit rear, for drawing the lower diaphragm；One rising sensor,
It is mounted on the traction device, the position in the first hole for detecting the lower diaphragm；And one to level sensor, is located at the lower film
It is above piece and corresponding positioned at the rising sensor rear, the position in the third hole for detecting the lower diaphragm.
Preferably, the fitting sensor being also located on front side of the stitching unit comprising one, the fitting sensor are used for
Detect the whether correct pairing in third hole of the upper diaphragm and lower diaphragm that fit.
Preferably, wherein, there are two the blades for being located at bottom and time interval for cutter unit tool, and define one
Notch between the blade.
On the other hand the embodiment of the present invention also provides a kind of method for adhering film, comprise the steps of
Rolling laminating step: the upper diaphragm and the lower diaphragm are drawn between the stitching unit, the driving rolling is single
Member, which is rolled, is bonded the upper diaphragm and the lower diaphragm with roll compacting；
Step is periodically truncated: after a setting time, the stitching unit can be controlled to stop rotation, and the traction
Device can move forward, and when the rising sensor detecting is to the first hole of the lower diaphragm, i.e., can issue signal and this is driven to lead
The upward grab of leading-in device is in the lower diaphragm, and then the cutter unit can be driven to lower mobile cutting lower diaphragm；
Contraposition distraction step: it opens this and stitching unit is started to level sensor, and the traction device is enabled to draw under this
Diaphragm advances towards the stitching unit, when this senses the third hole of the lower diaphragm to level sensor, the lower diaphragm also by
It send between the stitching unit, while this can issue signal to level sensor and the traction device is enabled to reset.
Another further aspect of the embodiment of the present invention also provides another method for adhering film, comprises the steps of
Rolling laminating step: the upper diaphragm and the lower diaphragm are drawn between the stitching unit, the driving rolling is single
Member, which is rolled, is bonded the upper diaphragm and the lower diaphragm with roll compacting；
Accidentally truncation detecting step: when the error amount that is bonded that the fitting sensor senses upper diaphragm and lower diaphragm is greater than and makes a reservation for
When numerical value, i.e., it can issue signal and stop the stitching unit, and the traction device can move forward, until the rising sensor is detectd
When measuring the first hole of the lower diaphragm, i.e., it can issue signal and drive the upward grab of the traction device in the lower diaphragm, then this is cut
Lower mobile cutting lower diaphragm can be driven to by cutting unit；
Contraposition distraction step: it opens this and stitching unit is started to level sensor, and the traction device is enabled to draw under this
Diaphragm advances towards the stitching unit, and when this senses the third hole of the lower diaphragm to level sensor, which is sent
Between to the stitching unit, while this can issue signal to level sensor and the traction device is enabled to reset.
The another aspect of the embodiment of the present invention also provides a kind of pad pasting traction device, for by a band-like coiled lower film
Piece is sent to joint place to front haulage, includes:
One base unit；
One traction unit, the microscope carrier that can be mounted on movably forward and backward on the base unit including one and one can on
Lower mobile status is in the guide bracket on the microscope carrier；
One lifting unit, is mounted between the microscope carrier of the traction unit and guide bracket, and for driving the guide bracket to move up
With grab in the lower diaphragm；
And a transfer unit, it is mounted between the base unit and the microscope carrier of the traction unit, and for driving the traction
Unit moves forward to joint place together with the lifting unit.
Preferably, wherein, the traction unit further include two two sides for being fixedly mounted on the microscope carrier projection seat and one
It being rotationally erected between the projection seat and contact is in the shaft of the guide bracket, shaft tool flats against face there are two corresponding, and
Two corresponding arc top surfaces, the distance flatted against between face are less than the distance between the arc top surface, which drives should
Shaft rotation, and make the guide bracket relative to the microscope carrier at one by being placed on the down position for flatting against face, with one by being placed on this
It is moved between the lifting position of arc top surface.
Preferably, wherein, which includes one and is installed in rotation on the first belt pulley of the microscope carrier, one
It is rotatably coupled the second belt pulley, the belt and one enclosed around first belt pulley and second belt pulley of the shaft
A lift actuator for driving first pulley rotation.
Preferably, wherein, which has a connecting plate, two or so the armed levers being relatively mounted on the connecting plate,
And two up protruded out by the armed lever front end to be inserted into the convex hook of the two sides of the lower diaphragm respectively.
Preferably, wherein, which includes one and is installed in rotation on the base unit and the long Xiang Yan in front and back
The screw rod stretched, one be mounted on the microscope carrier of the traction unit and can be rotated and the nut moved along its axis and one with the screw rod
A transfer driver for being mounted on the base unit and the screw rod is driven to rotate.
Preferably, wherein, which includes the long guide rail to extension of two or so correspondences and front and back, the traction list
Member further include several left and right be mounted on the sliding block of the microscope carrier bottom, the sliding block can be along the long Xiang Yidong of guide rail.
Effect of the invention is: periodically or when sensing fitting error, the cutter unit is driven to cut off the lower diaphragm,
Then the lower diaphragm re-registrated is drawn to joint place by the traction device again, controllable upper diaphragm is bonded with lower diaphragm
Error can reach effect that speed is fast and yield is high in permissible range.
Compared with the prior art, film sticking equipment and method for adhering film of the invention periodically or can sense fitting error
When, it drives the cutter unit to cut off the lower diaphragm, is then again drawn the lower diaphragm re-registrated to fitting by the traction device
Place, controllable upper diaphragm are bonded error in permissible range with lower diaphragm, therefore can reach that speed is fast and that yields is high is beneficial
Effect.
Detailed description of the invention
Fig. 1 is a part of stereo decomposing of the upper diaphragm and a lower diaphragm that are bonded using film sticking equipment of the invention
Figure；
Fig. 2 is the structural schematic diagram of one embodiment of film sticking equipment of the invention；
Fig. 3 is a perspective view of Fig. 2；
Fig. 4 is another perspective view of Fig. 2；
Fig. 5 is a part of schematic cross-sectional view of Fig. 2；
Fig. 6 is the flow chart of the method for adhering film of Fig. 2；
Fig. 7 is a schematic cross-sectional view of Fig. 2, illustrates that a guide bracket is located at a down position；
A cross-sectional view of Fig. 8 Fig. 2 illustrates that the guide bracket is located at a lifting position；
Fig. 9 is a cross-sectional view of Fig. 2, illustrates a transfer unit by a traction unit and a lifting unit to Forward
The state sent；
Figure 10 is the structural schematic diagram of another embodiment of film sticking equipment of the present invention；
Figure 11 is the flow chart of the method for adhering film of Figure 10.
[main appended drawing reference explanation]
1... film sticking equipment
11,12... stitching unit
13... cutter unit
131... blade
132... notch
14... traction device
15... rise sensor
16... to level sensor
17... it is bonded sensor
21... upper diaphragm
211... the first hole
212... the second hole
213... third hole
22... diaphragm is descended
221... the first hole
222... the second hole
223... third hole
3... base unit
31... chassis
311... boom
32... guide rail
4... traction unit
41... microscope carrier
42... guide bracket
421... connecting plate
422... armed lever
423... convex hook
43... side seat
44... sliding block
45... projection seat
46... shaft
461... face is flatted against
462... arc top surface
5... lifting unit
51... the first belt pulley
52... the second belt pulley
53... belt
54... lift actuator
6... transfer unit
61... screw rod
62... nut
63... driver is transferred
91... laminating step is rolled
92... step is periodically truncated
93... distraction step is aligned
94... detecting step is accidentally truncated
Specific embodiment
Technical solution of the present invention is further described in detail below in conjunction with attached drawing.
As depicted in figs. 1 and 2, film sticking equipment 1 of the present invention is for will be under band-like coiled a upper diaphragm 21 and one
Diaphragm 22 fits together, and the upper diaphragm 21 and the lower diaphragm 22, which all have, several corresponding is arranged in two sides and front and back equidistant interval
The first hole 211,221, several the second holes 212,222 and several positions respectively for being located at 211,221 front of the first hole
In wherein side the first hole 211, the third hole 213,223 at 221 rears.So the arrangement of above-mentioned hole by it is preceding be then sequentially the
Two the 212,222, first hole of holes 211,221 and third hole 213,223, and sequence repeats to be arranged according to this.When the upper diaphragm 21
When third hole 213 is communicated with the complete pairing in third hole 223 of the lower diaphragm 22, which is bonded i.e. with the lower diaphragm 22
There is no error correctly, and when the third hole 213 of the upper diaphragm 21 and the third hole 223 of the lower diaphragm 22 miss one another, only portion
When dividing connection or not being connected to completely, which there is error with lower being bonded for diaphragm 22.
The film sticking equipment 1 includes about two and relatively rotates with the rolling list of roll compacting fitting upper diaphragm 21 and lower diaphragm 22
11,12, one, member cutter unit 13, one for being located at 11,12 rear side of stitching unit are movably located on the lower diaphragm 22
The rising that lower section and corresponding traction device 14, one for being located at 13 rear of cutter unit are mounted on the traction device 14 passes
Sensor 15 and one be located at lower 22 top of diaphragm and it is corresponding be located at 15 rear of rising sensor to level sensor 16.It should
Cutter unit 13 can be cut off the lower diaphragm 22 by driving, and be located at the blade 131 of bottom and time interval there are two tools, and boundary
Make a notch 132 between the blade 131.The traction device 14 be used for will be cut off after lower diaphragm 22 forward
Traction is sent to the stitching unit 11,12 joint places.The rising sensor 15 of the present embodiment and this be all to level sensor 16
One CCD (Charge Coupled Device, Charged Coupled Device) camera lens, also can be used general commercial sensor certainly,
Simultaneously non-present invention emphasis is constructed, so being no longer described in detail herein.The rising sensor 15 is for detecting the lower diaphragm 22
The position in the first hole 221.This is to the position that level sensor 16 is for detecting the third hole 223 of the lower diaphragm 22.
Such as Fig. 3 to Fig. 5, which includes: a lifting unit of traction unit 4, one of base unit 3, one
5 and a transfer unit 6.
The base unit 3 includes that a chassis 31 as made of several 311 builts of boom and two are installed in parallel in the bottom
The guide rail 32 of the left and right sides of frame 31.The guide rail 32 or so corresponds to and the long Xiang Yanshen in front and back.
The traction unit 4 includes that microscope carrier 41, one for being located at 3 top of base unit are located at interval on the microscope carrier 41
Side and the side of the rear sides for connecting the microscope carrier 41 and the guide bracket 42 for guide bracket 42, one that the rising sensor 15 is installed and tool flexibility
Seat 43, several sliding block 44, two for being mounted on 41 bottom of microscope carrier with controlling and being embedded in the guide rail 32 are fixedly mounted on this
The two sides of microscope carrier 41 and upwardly extended projection seat 45 and one are rotationally erected between the projection seat 45 and contact is in the guide bracket
42 shaft 46.It is in opening edge-on U type facing forward that the microscope carrier 41, the guide bracket 42 and side seat 43, which collectively form a section slightly,
Frame body.
The guide bracket 42 has one connecting plate 421, two or so the armed levers 422 and two being relatively mounted on the connecting plate 421
It is a respectively by the upwardly extended convex hook 423 in 422 front end of armed lever.The convex hook 423, which can be inserted into, is clamped lower 22 two sides of diaphragm
The second hole 222 (as shown in Figure 8).It is Xiang Yidong long along guide rail 32 that the sliding block 44 can interlock the microscope carrier 41.The projection seat 45
It is mounted in the up-front two sides of the connecting plate 421.The section of the shaft 46 is slightly in oblong, and has and put down there are two corresponding
By face 461 and two corresponding arc top surfaces 462, the distance flatted against between face 461 be less than between the arc top surface 462 away from
From.
The lifting unit 5 is mounted between the microscope carrier 41 of the traction unit 4 and guide bracket 42, and is rotatably mounted including one
The first belt pulley 51, one of the microscope carrier 41 be rotatably coupled the second belt pulley 52, one of the shaft 46 circles around this
The lift actuator that one belt pulley 51 drives first belt pulley 51 to rotate with the belt 53 of second belt pulley 52 and one
54.The lift actuator 54 is a motor.The lifting unit 5 drive the shaft 46 rotation, make the guide bracket 42 by contact phase
For the microscope carrier 41 at one by being placed on the down position for flatting against face 461, with a rising by being placed on the arc top surface 462
It is moved between position, in lifting position, the shaft 46 meeting contact guide bracket 42 is moved up, and since the shaft 46 is located at the side
43 front of seat, so when the guide bracket 42 moves to lifting position by 46 contact of shaft, which can be with side seat 43
Center inclined upward facing forward is raised, to be clamped the second hole 222 (as shown in Figure 8) of the lower diaphragm 22 by the convex hook 423.
The transfer unit 6 is mounted between the base unit 3 and the microscope carrier 41 of the traction unit 4, and can be rotated including one
Ground is mounted on the long microscope carrier 41 for being mounted on the traction unit 4 to screw rod 61, one of extension in the base unit 3 and front and back and can be with
The screw rod 61 rotation and the nut 62 moved along its axis and one are mounted on the base unit 3 and the screw rod 61 is driven to rotate
Transfer driver 63.The transfer driver 63 is a motor.The transfer unit 6 is for driving the traction unit 4 together with this
Lifting unit 5 moves forward to joint place, (such as schemes since the distance between the armed lever 422 is greater than the stitching unit 11,12
2) length, so armed lever 422 will not collide stitching unit 11,12 (such as Fig. 2).
As shown in Figure 2 and Figure 6, the present invention is bonded the pad pasting of upper diaphragm 21 and lower diaphragm 22 using above-mentioned film sticking equipment 1
Method includes: step 92 and a contraposition distraction step 93 is periodically truncated in a rolling laminating step 91, one.
The rolling laminating step 91: upper diaphragm 21 and lower diaphragm 22 are drawn forward and are sent into the stitching unit 11,12
Between, it drives the stitching unit 11,12 progressive rolling movements to be bonded upper diaphragm 21 and lower diaphragm 22 with roll compacting, allows the upper film after fitting
Piece 21 and lower diaphragm 22 export forward.
The regular truncation step 92: after a setting time, the stitching unit 11,12, which can be controlled to stop, to be turned
It is dynamic, and the transfer driver 63 can drive the screw rod 61 to rotate as shown in Figure 7, the bridle joint nut 62 drives the traction unit 4 to connect
It with the lifting unit 5, is moved forward along the guide rail 32, while opening the rising sensor 15, be located at when detecting face
When below the first hole 221 (such as Fig. 1) of the lower diaphragm 22, i.e., it can issue signal and stop the transfer driver 63, and start the liter
It drops driver 54 and drives first belt pulley 51, to drive second belt pulley 52 to interlock 46 turns of the shaft via the belt 53
It is dynamic, so that the guide bracket 42 is moved to the lifting position of Fig. 8 by the down position of Fig. 7 by 46 contact of shaft, makes the convex hook 423 right
It answers grab in second hole 222, then as shown in Fig. 2, the cutter unit 13 can be driven to lower movement, cuts off the lower diaphragm
22 1 sections of length.
The contraposition distraction step 93: as shown in Fig. 2, Fig. 9, this is then opened to level sensor 16, it is single to start the rolling
Member 11,12, and make the transfer driver 63 that the screw rod 61 be driven to rotate once again, the traction unit 4 is driven to engage the nut 62
Together with the lifting unit 5, moved forward along the guide rail 32, at the same can draw the lower diaphragm 22 towards the stitching unit 11,
12 advance, when this senses third hole 223 (see Fig. 1) of the lower diaphragm 22 to level sensor 16, the lower diaphragm 22 also by
It send to joint place and between feeding the stitching unit 11,12, while this can issue signal order to level sensor 16 (see Fig. 2) and be somebody's turn to do
Lifting unit 5 drives the traction unit 4 to move to down position, and the transfer unit 6 is enabled to drive the traction unit 4 together with the liter
Drop unit 5 is moved back to original position backward, continues above-mentioned rolling laminating step 91.
Above-mentioned rolling laminating step 91, periodically truncation step 92, and contraposition distraction step 93 are sequentially repeated, it can be accurately
Complete the fitting processing procedure of upper diaphragm 21 and lower diaphragm 22.
And in above-mentioned regular truncation step 92, so-called setting time refers to the rolling by the stitching unit 11,12
Afterwards, the length of the upper diaphragm 21 that is bonded to each other and lower diaphragm 22, can just determine the sheet composite membrane of predetermined quantity, for example, three pieces or
The time of five composite membranes, that is, estimate the average time for error or error not yet occur in permissible range.By it is above-mentioned can
Know, the film sticking equipment 1 of the present embodiment drives the cutter unit 13 to cut off the lower diaphragm 22, when the cutting every setting time
Unit 13 cut downwards be equivalent to the one of 132 width of notch cut down diaphragm 22 after, then the lower diaphragm 22 re-registrated, and by
Between the traction device 14 guiding feeds the stitching unit 11,12, readjustment feed entrance point can be used, makes to be bonded precision dimension
It holds in a certain range.
As shown in Figure 10 and Figure 11, the second preferred embodiment of film sticking equipment 1 of the present invention is different from the place of first embodiment
Be: the film sticking equipment 1 suspends pad pasting processing procedure in such a way that detecting is bonded error, without driving every setting time
The cutter unit 13 cuts off the lower diaphragm 22, that is, above-mentioned regular truncation step 92 (see Fig. 6) is changed into one by the present embodiment
Accidentally truncation detecting step 94.Therefore the film sticking equipment 1 is also located at 11,12 front side of stitching unit comprising one in setting
It is bonded sensor 17, which also can be a CCD camera lens, for detecting the upper diaphragm 21 to fit and lower diaphragm
Whether 22 fitting is correct.Therefore in accidentally truncation detecting step 94, when the fitting sensor 17 senses the upper diaphragm 21 and is somebody's turn to do
After lower diaphragm 22 is bonded, when the error amount of the incomplete pairing in third hole 213,223 (see Fig. 1) of the two is greater than predetermined value,
Signal can be issued and stop the stitching unit 11,12, the regular truncation step of above-described embodiment is then identical to as follow-up process
92 (see Fig. 6) are not repeated to illustrate herein.
It should be noted that the film sticking equipment 1 can also omit the setting of the fitting sensor 17, but inspected by operator
Whether upper diaphragm 21 and lower diaphragm 22 after fitting have flaw, if just interrupting charging operation when having error flaw, then again again
Feeding starting, no longer illustrates below.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
The spirit and principles in the present invention it is interior, made any modification, equivalent replacement and improvement etc. should be included in guarantor of the invention
Protect the interior of range.
Claims (3)
1. a kind of film sticking equipment is the film on this for a band-like coiled upper diaphragm to fit together with a lower diaphragm
Piece and the lower diaphragm all have several corresponding the first holes for being arranged in two sides and front and back equidistant interval, several are located at described
The second hole and several third holes for being located at wherein the first hole of side rear in front of one hole, which includes: two
Stitching unit relatively rotates be bonded the upper diaphragm and the lower diaphragm with roll compacting up and down；It is single to be located at the rolling for one cutter unit
First rear side, can be cut off the lower diaphragm by driving；One traction device, it is movably corresponding to be located at the cutter unit rear, it uses
In the traction lower diaphragm；One rising sensor, is mounted on the traction device, the position in the first hole for detecting the lower diaphragm
It sets；And one to level sensor, be located above the lower film piece and it is corresponding be located at the rising sensor rear, for detecting the lower film
The position in the third hole of piece.
2. film sticking equipment as described in claim 1, the fitting sensor being also located on front side of the stitching unit comprising one should
Fitting sensor is used to detect the whether correct pairing in third hole of the upper diaphragm and lower diaphragm to fit.
3. film sticking equipment as claimed in claim 1 or 2, wherein there are two be located at bottom and time interval for cutter unit tool
Blade, and define a notch between the blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244416.8A CN109849320A (en) | 2017-11-30 | 2017-11-30 | A kind of film sticking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244416.8A CN109849320A (en) | 2017-11-30 | 2017-11-30 | A kind of film sticking equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109849320A true CN109849320A (en) | 2019-06-07 |
Family
ID=66888840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711244416.8A Pending CN109849320A (en) | 2017-11-30 | 2017-11-30 | A kind of film sticking equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109849320A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571701A (en) * | 2020-05-21 | 2020-08-25 | 广州碧沃电子科技有限公司 | Film sticking machine |
-
2017
- 2017-11-30 CN CN201711244416.8A patent/CN109849320A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571701A (en) * | 2020-05-21 | 2020-08-25 | 广州碧沃电子科技有限公司 | Film sticking machine |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190607 |
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| WD01 | Invention patent application deemed withdrawn after publication |