CN112429547A - Covering film feeding device of packaging machine and separation method thereof - Google Patents
Covering film feeding device of packaging machine and separation method thereof Download PDFInfo
- Publication number
- CN112429547A CN112429547A CN202011025645.2A CN202011025645A CN112429547A CN 112429547 A CN112429547 A CN 112429547A CN 202011025645 A CN202011025645 A CN 202011025645A CN 112429547 A CN112429547 A CN 112429547A
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- film
- covering film
- material taking
- taking assembly
- fixedly connected
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/08—Separating articles from piles using pneumatic force
- B65H3/0808—Suction grippers
- B65H3/0816—Suction grippers separating from the top of pile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
- B65H1/14—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device comprising positively-acting mechanical devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
- B65H3/56—Elements, e.g. scrapers, fingers, needles, brushes, acting on separated article or on edge of the pile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
The invention provides a covering film feeding device of an encapsulating machine and a separation method thereof. The covering film feeding device of the encapsulating machine and the separation method thereof comprise a material placing platform and a material taking assembly, wherein the material placing platform is used for placing the covering film; the lifting mechanism comprises a carrying plate, and a plurality of fixing plates are fixedly connected to the carrying plate. According to the covering film feeding device and the separation method of the covering film feeding device, the brushes are arranged, so that a manipulator can possibly grab a plurality of simultaneously stacked covering films at one time due to the influence of vacuum and static electricity when the covering films are stacked, meanwhile, the stroke adjusting slide block is arranged, the purpose of controlling the size of the covering films can be achieved by utilizing the movement of the stroke adjusting slide block in the limiting groove, and the photoelectric sensor can send a material shortage signal to external equipment after the covering films are used, so that a user can feed materials in time, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of covering film feeding devices, in particular to a covering film feeding device of an encapsulating machine and a separation method thereof.
Background
A Flexible Printed Circuit (FPC), also called a flexible circuit board or a flexible circuit board, is favored for its excellent characteristics of light weight, thin thickness, free bending and folding, but the quality inspection of the FPC in China mainly depends on manual visual inspection, and is high in cost and low in efficiency. With the rapid development of the electronic industry, the design of the circuit board tends to be high in precision and density, the traditional manual detection method cannot meet the production requirement, and the automatic detection of the FPC defect becomes an inevitable trend of the industrial development.
Under the general condition, cover membrane extracting device unmanned on duty, this just can make extracting device just can stop the material loading if having carried the cover membrane of artifical joining after, the user can not in time discover to cover the membrane and has been used up, in the use of prior art's FPC cover membrane capper, cover the membrane and adopt the artifical mode of getting and putting the membrane to pile up together usually, however, when covering the membrane and piling up because the influence of vacuum and static makes the manipulator probably snatch many cover membranes of piling up simultaneously once, can influence subsequent normal processing to covering the membrane, and simultaneously, the inefficiency of membrane is put in current automatic getting.
Therefore, it is urgently required to redesign a new feeding device to solve the above problems.
Disclosure of Invention
The invention provides a covering film feeding device of an encapsulating machine and a separation method thereof, which aim to solve the technical problems in the prior art.
The invention provides a covering film feeding device of an encapsulating machine, which comprises a material placing platform and a material taking assembly, wherein the material placing platform is used for placing a covering film; the lifting mechanism comprises a carrying plate, a plurality of fixing plates are fixedly connected to the carrying plate, the fixing plates are clamped around the discharging platform, and brushes are fixedly connected to the fixing plates; the material taking assembly is arranged on the upper side of the material placing platform and reciprocates up and down or horizontally to transfer the covering film; the side wall of the material discharging platform is further provided with a photoelectric sensor used for sensing the position of the covering film, and when the covering film moves in a direction away from the material discharging platform in the grabbing direction of the material taking assembly, the brush is used for ensuring that the material taking assembly only transfers one covering film at a time.
Optionally, the cover film feeding device of the wrapping machine further comprises: the limiting groove is formed in the discharging platform, and the limiting groove is formed in one end, close to the hairbrush, of the discharging platform; one end of the stroke adjusting sliding block is connected to the carrying plate in a sliding mode, the other end of the stroke adjusting sliding block is arranged in the limiting groove, and the stroke adjusting sliding block can move in the limiting groove to limit the size of a covering film placed on the material placing platform.
Optionally, the lifting mechanism further comprises: the first connecting shaft is fixedly connected to the lower side of the carrying plate; the first connecting plate is fixedly connected with a section of the first connecting shaft away from the carrying plate; the second connecting shaft is fixedly connected with the first connecting plate; the second connecting plate is fixedly connected to one end, far away from the first connecting plate, of the second connecting shaft; the driving piece is arranged on the lower side of the second connecting plate and used for driving the second connecting plate to move up and down, and therefore the second connecting plate can drive the carrying plate to move up and down.
Optionally, the drive is a servo motor.
Optionally, the take-off assembly comprises: the film taking mechanical arm is arranged on the upper side of the discharging platform and can move up and down or horizontally; get membrane tongs fixed connection and get membrane arm downside, get the membrane tongs and be used for adsorbing the cover membrane.
Optionally, the position where the mold taking gripper contacts with the covering film is in a suction disc shape.
Optionally, the material placing platform is fixedly connected with the material conveying plate through a fixing rod, so that the material conveying plate can drive the material placing platform to move up and down when moving up and down.
Optionally, a method for separating a cover film is also disclosed, comprising the following steps:
s1: stacking the covering film stack on a discharging platform;
s2: the lifting mechanism drives the discharging platform to move upwards, and when the photoelectric sensor senses the covering film, the lifting mechanism stops moving;
s3: the material taking assembly moves towards the direction close to the material placing platform until the material taking assembly is contacted with the covering film and adsorbs the covering film;
s4: the lifting mechanism moves towards the direction far away from the material taking assembly, and the material taking assembly reciprocates up and down until the material taking assembly only adsorbs a single cover film.
Optionally, after the cover film is stacked on the discharging platform in step S1, the stroke adjusting slider is adjusted to detect whether the size of the cover film is qualified.
Optionally, when the material taking assembly absorbs the cover film and then reciprocates up and down in step S4, the brush on the fixing plate can perform a screening function on the cover film, so as to ensure that the material taking assembly only picks a single cover film.
The invention has the following beneficial effects:
the covering film feeding device of the encapsulating machine and the separation method thereof comprise a material placing platform and a material taking assembly, wherein the material placing platform is used for placing the covering film; the lifting mechanism comprises a carrying plate, a plurality of fixing plates are fixedly connected to the carrying plate, the fixing plates are clamped around the discharging platform, and brushes are fixedly connected to the fixing plates; the material taking assembly is arranged on the upper side of the material placing platform and reciprocates up and down or horizontally to transfer the covering film; the side wall of the discharging platform is also provided with a photoelectric sensor used for sensing the position of the covering film, and when the covering film moves in a direction away from the discharging platform by the grabbing orientation of the material taking assembly, the brush is used for ensuring that the discharging platform only transfers one covering film at a time. The arrangement of the hairbrush can prevent the manipulator from possibly grabbing a plurality of cover films stacked simultaneously due to the influence of vacuum and static electricity when the cover films are stacked, meanwhile, the travel adjusting slider is further arranged in the manipulator, the purpose of controlling the size of the cover films can be achieved by utilizing the movement of the travel adjusting slider in the limiting groove, and the photoelectric sensor can send a material shortage signal to external equipment after the cover films are used, so that a user can feed materials in time, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a cover film feeding device of a wrapping machine according to the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a cover film feeding device of an encapsulation machine according to the present invention.
The covering film feeding device of the encapsulating machine comprises a material placing platform and a material taking assembly, wherein the material placing platform is used for placing the covering film.
The lower side of the discharging platform is fixedly connected with a lifting mechanism for driving the discharging platform to move up and down; the lifting mechanism comprises a carrying plate, a plurality of fixing plates are fixedly connected to the carrying plate, the fixing plates are clamped around the discharging platform, and brushes are fixedly connected to the fixing plates; the material taking assembly is arranged on the upper side of the material placing platform and reciprocates up and down or horizontally to transfer the covering film;
the side wall of the material discharging platform is further provided with a photoelectric sensor used for sensing the position of the covering film, and when the covering film moves in a direction away from the material discharging platform in the grabbing direction of the material taking assembly, the brush is used for ensuring that the material taking assembly only transfers one covering film at a time.
Further, the elevating system still includes: the first connecting shaft is fixedly connected to the lower side of the carrying plate; the first connecting plate is fixedly connected with a section of the first connecting shaft away from the carrying plate; the second connecting shaft is fixedly connected with the first connecting plate; the second connecting plate is fixedly connected to one end, far away from the first connecting plate, of the second connecting shaft; the driving piece is arranged on the lower side of the second connecting plate and used for driving the second connecting plate to move up and down, so that the second connecting plate can drive the carrying plate to move up and down, wherein the driving piece can be specifically a servo motor.
Furthermore, the output end of the servo motor is fixedly connected with the second connecting plate, so that the servo motor can drive the second connecting plate to reciprocate up and down, the second connecting shaft is connected to the upper side of the second connecting plate, the first connecting plate is fixedly connected to the upper end of the second connecting shaft, and the first connecting plate is connected with the carrying plate through the first connecting shaft, so that the servo motor can drive the carrying plate to reciprocate up and down.
Referring to fig. 1, when a user needs to use the cover film feeding device of the encapsulation machine of the present invention, the cover film is firstly placed on the placing platform, and the material taking assembly is used for transferring the cover film, but sometimes the cover film grabbed by the material taking assembly may be multi-layered due to static electricity, which is not beneficial to the subsequent film tearing work, so the brush is fixedly connected to the fixing plate, and after the material taking assembly adsorbs the cover film, the material taking assembly reciprocates up and down many times, and the overlapped cover film is brushed off the material taking assembly by the brush in each previous movement, so that it is ensured that only one cover film is transferred at each time when the material is placed.
Meanwhile, the cover film feeding device of the packaging machine further comprises: the limiting groove is formed in the discharging platform, and the limiting groove is formed in one end, close to the hairbrush, of the discharging platform; one end of the stroke adjusting sliding block is connected to the carrying plate in a sliding mode, the other end of the stroke adjusting sliding block is arranged in the limiting groove, and the stroke adjusting sliding block can move in the limiting groove to limit the size of a covering film placed on the material placing platform.
The user can control the size of the covering film placed on the discharging platform by adjusting the stroke adjusting slider, and the setting of the stroke adjusting slider is particularly important because the length and the width of the covering film need to be strictly controlled, the length needs to be 100-500mm, and the width needs to be within 250mm, so that the covering film with any size cannot be taken into consideration.
Meanwhile, the side wall of the material placing platform is also provided with a photoelectric sensor for sensing the position of the covering film, when the lifting mechanism drives the carrying plate and the material placing platform to move upwards, the photoelectric sensor can sense the position of the covering film, and the lifting mechanism stops moving at the moment. When the cover film uses a certain amount, the photoelectric sensor can send an instruction to control the lifting mechanism to continuously rise for a certain height until the photoelectric sensor detects the position of the cover film. Certainly, after the use of the covering film is finished, the photoelectric sensor can not detect the existence of the covering film and can also send a material shortage instruction, so that a user can find that the covering film is used completely in time, the machine is prevented from idling, and the working efficiency is further improved.
With continued reference to fig. 1, the take-off assembly includes: the film taking mechanical arm is arranged on the upper side of the discharging platform and can move up and down or horizontally; get membrane tongs fixed connection and get membrane arm downside, get the membrane tongs and be used for adsorbing the cover membrane.
The mold taking gripper is in a shape of a sucking disc in the position where the mold taking gripper is contacted with the covering film, the sucking disc-shaped mold taking gripper can adsorb the covering film more easily on one hand, and on the other hand, the sucking disc-shaped mold taking gripper can have certain buffering force on the surface of the covering film when grabbing the covering film, so that the covering film is prevented from being damaged.
The material placing platform is fixedly connected with the material conveying plate through the fixing rods, so that the material conveying plate can drive the material placing platform to move up and down when moving up and down.
The covering film feeding device of the encapsulating machine and the separation method thereof comprise a material placing platform and a material taking assembly, wherein the material placing platform is used for placing the covering film; the lifting mechanism comprises a carrying plate, a plurality of fixing plates are fixedly connected to the carrying plate, the fixing plates are clamped around the discharging platform, and brushes are fixedly connected to the fixing plates; the material taking assembly is arranged on the upper side of the material placing platform and reciprocates up and down or horizontally to transfer the covering film; the side wall of the discharging platform is also provided with a photoelectric sensor used for sensing the position of the covering film, and when the covering film moves in a direction away from the discharging platform by the grabbing orientation of the material taking assembly, the brush is used for ensuring that the discharging platform only transfers one covering film at a time. The arrangement of the hairbrush can prevent the manipulator from possibly grabbing a plurality of cover films stacked simultaneously due to the influence of vacuum and static electricity when the cover films are stacked, meanwhile, the travel adjusting slider is further arranged in the manipulator, the purpose of controlling the size of the cover films can be achieved by utilizing the movement of the travel adjusting slider in the limiting groove, and the photoelectric sensor can send a material shortage signal to external equipment after the cover films are used, so that a user can feed materials in time, and the working efficiency is improved.
Meanwhile, the invention also discloses a method for separating the covering film, which comprises the following steps:
s1: stacking the covering film stack on a discharging platform;
s2: the lifting mechanism drives the discharging platform to move upwards, and when the photoelectric sensor senses the covering film, the lifting mechanism stops moving;
s3: the material taking assembly moves towards the direction close to the material placing platform until the material taking assembly is contacted with the covering film and adsorbs the covering film;
s4: the lifting mechanism moves towards the direction far away from the material taking assembly, and the material taking assembly reciprocates up and down until the material taking assembly only adsorbs a single cover film.
After the cover films are stacked on the discharging platform in the step S1, the stroke adjusting slider is adjusted to detect whether the size of the cover films is qualified, the side wall of the discharging platform is further provided with a photoelectric sensor used for sensing the position of the cover films, and when the cover films are grabbed by the material taking assembly to move in a direction away from the discharging platform, the brush is used for ensuring that the material taking assembly only transfers one cover film at a time.
When the material taking assembly absorbs the covering film and then reciprocates up and down in the step S4, the brush on the fixed plate can play a role in screening the covering film so as to ensure that the material taking assembly only grabs a single covering film.
With reference to fig. 1, when a user needs to use the cover film feeding device of the encapsulation machine of the present invention, the user needs to place the cover film on the placing platform, and the material taking assembly is used for transferring the cover film, but sometimes the cover film grabbed by the material taking assembly may be multi-layered due to static electricity, which is not beneficial to the subsequent film tearing work, so the brush is fixedly connected to the fixing plate, and after the material taking assembly adsorbs the cover film, the material taking assembly reciprocates up and down many times, and the overlapped cover film is brushed down by the brush during each previous movement, so that it is ensured that only one cover film is transferred at a time when the user places the cover film.
Meanwhile, the side wall of the material placing platform is also provided with a photoelectric sensor for sensing the position of the covering film, when the lifting mechanism drives the carrying plate and the material placing platform to move upwards, the photoelectric sensor can sense the position of the covering film, and the lifting mechanism stops moving at the moment. When the cover film uses a certain amount, the photoelectric sensor can send an instruction to control the lifting mechanism to continuously rise for a certain height until the photoelectric sensor detects the position of the cover film. Certainly, after the use of the covering film is finished, the photoelectric sensor can not detect the existence of the covering film and can also send a material shortage instruction, so that a user can find that the covering film is used completely in time, the machine is prevented from idling, and the working efficiency is further improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A cover film feeder for a wrapping machine, comprising:
the device comprises a material placing platform for placing a covering film, wherein a lifting mechanism for driving the material placing platform to move up and down is fixedly connected to the lower side of the material placing platform; the lifting mechanism comprises a carrying plate, a plurality of fixing plates are fixedly connected to the carrying plate, the fixing plates are clamped around the discharging platform, and brushes are fixedly connected to the fixing plates;
the material taking assembly is arranged on the upper side of the material placing platform and reciprocates up and down or horizontally to transfer the covering film;
the side wall of the material taking assembly is provided with a material taking assembly, wherein the material taking assembly is arranged on the side wall of the material taking assembly, and the material taking assembly is arranged on the side wall of the material taking assembly.
2. The mulch film feeding apparatus for a wrapping machine according to claim 1 further comprising:
the limiting groove is formed in the material placing platform, and is formed in one end, close to the hairbrush, of the material placing platform;
the stroke adjusting device comprises a stroke adjusting sliding block, one end of the stroke adjusting sliding block is connected to the carrying plate in a sliding mode, the other end of the stroke adjusting sliding block is arranged in a limiting groove, and the stroke adjusting sliding block can move in the limiting groove to limit the size of the covering film placed on the material placing platform.
3. The cover film feeder of a wrapping machine according to claim 1, wherein said lifting mechanism further comprises:
the first connecting shaft is fixedly connected to the lower side of the carrying plate;
the first connecting plate is fixedly connected with a section of the first connecting shaft, which is far away from the carrying plate;
the second connecting shaft is fixedly connected with the first connecting plate;
the second connecting plate is fixedly connected to one end, far away from the first connecting plate, of the second connecting shaft;
the driving piece is arranged on the lower side of the second connecting plate and used for driving the second connecting plate to move up and down, so that the second connecting plate can drive the carrying plate to move up and down.
4. The mulch film feeder of claim 3 wherein the drive is a servo motor.
5. The mulch film feeding apparatus for an encapsulation machine according to claim 1 wherein the take off assembly includes:
the film taking mechanical arm is arranged on the upper side of the discharging platform and can move up and down or horizontally;
the film taking gripper is fixedly connected to the lower side of the film taking mechanical arm and used for adsorbing the covering film.
6. The apparatus of claim 5, wherein the gripper is in the form of a suction cup in contact with the cover film.
7. The apparatus of claim 1, wherein the loading platform is fixedly connected to the carrier plate by a fixing rod, such that the carrier plate moves up and down to drive the loading platform to move up and down.
8. A method for separating a cover film, comprising the steps of:
s1: stacking the covering film stack on a discharging platform;
s2: the lifting mechanism drives the discharging platform to move upwards, and when the photoelectric sensor senses the covering film, the lifting mechanism stops moving;
s3: the material taking assembly moves towards the direction close to the material placing platform until the material taking assembly is contacted with the covering film and adsorbs the covering film;
s4: the lifting mechanism moves in the direction far away from the material taking assembly, and the material taking assembly reciprocates up and down until only a single piece of the cover film is adsorbed on the material taking assembly.
9. The method for separating the cover film according to claim 8, wherein after the cover film is stacked on the discharge platform in the step S1, the stroke adjustment slider is adjusted to check whether the size of the cover film is acceptable.
10. The method for separating the cover film according to claim 8, wherein in step S4, when the cover film is adsorbed by the picking assembly and then moves back and forth up and down, the brush on the fixing plate can perform a sieving function on the cover film, so as to ensure that the picking assembly only picks up a single cover film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011025645.2A CN112429547A (en) | 2020-09-25 | 2020-09-25 | Covering film feeding device of packaging machine and separation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011025645.2A CN112429547A (en) | 2020-09-25 | 2020-09-25 | Covering film feeding device of packaging machine and separation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112429547A true CN112429547A (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011025645.2A Pending CN112429547A (en) | 2020-09-25 | 2020-09-25 | Covering film feeding device of packaging machine and separation method thereof |
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| Country | Link |
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| CN (1) | CN112429547A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353668A (en) * | 2021-05-11 | 2021-09-07 | 宁波瑞利时数控科技有限公司 | Automatic plate feeding and cutting system |
| CN115158747A (en) * | 2022-06-16 | 2022-10-11 | 苏州领略智能科技有限公司 | Automatic keyboard protective film pasting equipment |
-
2020
- 2020-09-25 CN CN202011025645.2A patent/CN112429547A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353668A (en) * | 2021-05-11 | 2021-09-07 | 宁波瑞利时数控科技有限公司 | Automatic plate feeding and cutting system |
| CN113353668B (en) * | 2021-05-11 | 2023-08-08 | 宁波瑞利时数控科技有限公司 | Automatic feeding and cutting system for plates |
| CN115158747A (en) * | 2022-06-16 | 2022-10-11 | 苏州领略智能科技有限公司 | Automatic keyboard protective film pasting equipment |
| CN115158747B (en) * | 2022-06-16 | 2024-02-27 | 苏州领略智能科技有限公司 | Automatic keyboard protection film pasting equipment |
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