CN112092350A - Automatic cell-phone tectorial membrane press mold mechanism - Google Patents
Automatic cell-phone tectorial membrane press mold mechanism Download PDFInfo
- Publication number
- CN112092350A CN112092350A CN202010667339.2A CN202010667339A CN112092350A CN 112092350 A CN112092350 A CN 112092350A CN 202010667339 A CN202010667339 A CN 202010667339A CN 112092350 A CN112092350 A CN 112092350A
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- pressing
- roller
- mobile phone
- film
- unit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 210000002489 tectorial membrane Anatomy 0.000 title claims description 5
- 238000003825 pressing Methods 0.000 claims abstract description 131
- 239000000428 dust Substances 0.000 claims abstract description 39
- 238000010030 laminating Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 22
- 239000002699 waste material Substances 0.000 claims description 16
- 230000007704 transition Effects 0.000 claims description 14
- 238000013519 translation Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 239000007888 film coating Substances 0.000 description 3
- 238000009501 film coating Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0028—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by adhesive surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0004—Component parts, details or accessories; Auxiliary operations
Abstract
The invention discloses an automatic mobile phone film laminating mechanism, which comprises: the device comprises a rack, a feeding table, a loading jig, a dust removal unit, a film covering unit and a pressing and pasting unit, wherein the dust removal unit, the film covering unit and the pressing and pasting unit are arranged on the rack, the feeding table sequentially penetrates through the dust removal unit, the film covering unit and the pressing and pasting unit, and the loading jig is movably arranged on the feeding table. Through the mode, the automatic mobile phone film laminating mechanism provided by the invention utilizes the dust removal unit, the film laminating unit and the pressing and pasting unit to respectively remove dust and paste films on a mobile phone, so that the processing precision and the working efficiency are improved.
Description
Technical Field
The invention relates to the field of processing and producing devices of mobile phones and accessories thereof, in particular to an automatic mobile phone film laminating mechanism.
Background
A mobile phone is a mobile phone or a wireless phone, and is originally a communication tool, and is a portable phone terminal that can be used in a wide range. The mobile phones are divided into smart phones and non-smart phones, wherein the smart phones are independent operating systems like personal computers, most of the smart phones are large-screen machines, touch capacitive screens are used, and some of the smart phones are resistance screens, so that the smart phones are powerful in function and high in practicability. The user can install programs provided by third-party service providers such as games, the functions of the mobile phone can be continuously expanded through the programs, and the general name of the mobile phone with wireless network access can be realized through a mobile communication network.
At present, in the production process of mobile phones, one of the steps is to attach a mobile phone film to the surface of an assembled mobile phone, but the attachment effect of the existing mobile phone film is poor, the position error of some films is very large, and some films contain a large amount of bubbles during attachment, so that the screen protection and dust prevention effects cannot be achieved.
Disclosure of Invention
The invention mainly solves the technical problem of providing an automatic mobile phone film laminating mechanism which has the advantages of high reliability, accurate positioning, compact structure and the like, and has wide market prospect in the application and popularization of processing and producing devices of mobile phones and accessories thereof.
In order to solve the technical problems, the invention adopts a technical scheme that:
the utility model provides an automatic cell-phone tectorial membrane press mold mechanism, it includes: the mobile phone film laminating machine comprises a rack, a feeding table, a material carrying jig for placing a mobile phone, a film laminating unit for laminating a mobile phone film on the surface of the mobile phone, and a pressing unit for pressing the mobile phone film and removing bubbles, wherein the film laminating unit and the pressing unit are arranged on the rack, the feeding table sequentially penetrates through the film laminating unit and the pressing unit, the material carrying jig is movably arranged on the feeding table,
the film covering unit includes: a mobile phone film feeding unit, a mobile phone film pasting unit,
the mobile phone film feeding unit comprises a feeding roller, a transition roller, a waste roller for rolling mobile phone film release paper and a roller rotation driving device, the feeding roller, the transition roller and the waste roller are arranged on the frame, the waste roller is connected with the roller rotation driving device, the feeding roller and the transition roller are positioned above the feeding table, the waste roller is arranged above the transition roller,
the mobile phone film pasting unit comprises a roller lifting frame, a roller connecting frame, a roller, a film pressing roller and a film pressing brush, wherein the roller connecting frame is arranged on the roller lifting frame, a roller lifting driving device drives the roller connecting frame to move up and down on the roller lifting frame, a roller horizontal driving device drives the roller lifting frame to move back and forth on the frame, the two ends of the roller are movably connected with the roller connecting frame, the film pressing roller is fixedly connected with the roller, so that the film pressing roller axially rotates on the roller connecting frame, the film pressing brush is arranged on the outer wall of the film pressing roller,
the pressing unit includes: the pressing and pasting lifting frame is movably connected with the lifting slide rail, the pressing and pasting lifting frame is driven by the pressing and pasting lifting driving device to move up and down along the lifting slide rail, the pressing and pasting translation driving device drives the pressing and pasting unit to move left and right on the pressing and pasting lifting frame,
the pressing translation driving device comprises a first screw rod, a first nut, a second screw rod and a second nut, the first screw rod and the second screw rod are arranged on the pressing lifting frame, each screw rod is connected with a driving motor, the first nut moves back and forth on the first screw rod, the second nut moves back and forth on the second screw rod, and the moving directions of the first nut and the second nut are opposite,
the compressing unit comprises a first pressing block, a first pressing groove, a second pressing block and a second pressing groove, the first pressing groove is formed in the bottom of the inner side wall of the first pressing block, the first pressing block is connected with the first nut, the second pressing block is connected with the second nut, and when the screw rotates, the screw drives the first pressing block and the second pressing block to move relatively through the nut.
In a preferred embodiment of the present invention, the loading jig is provided with a plurality of positioning slots for preventing a mobile phone, and the loading jig is movably disposed in the slot on the feeding table.
In a preferred embodiment of the present invention, the squeeze film brush comprises a sponge and a brush.
In a preferred embodiment of the present invention, the pressing units are disposed on the pressing and lifting frame, and a group of the pressing units correspondingly processes a mobile phone.
In a preferred embodiment of the present invention, the first pressing block and the second pressing block are arranged in parallel, and the first pressing block and the second pressing block are of flexible or elastic structures.
In a preferred embodiment of the present invention, the dust removing unit includes: the air-showering dust removal device comprises an air-showering dust removal unit and a pasting dust removal unit, wherein the air-showering dust removal unit and the pasting dust removal unit are arranged on the rack and are positioned above the feeding table.
The invention has the beneficial effects that: the mobile phone is respectively dedusted and filmed by the dedusting unit, the film laminating unit and the pressing unit, so that the processing precision and the working efficiency are 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 are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic structural diagram of a preferred embodiment of an automatic mobile phone film laminating mechanism according to the present invention;
fig. 2 is a schematic cross-sectional view of an automatic mobile phone film laminating mechanism according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
Referring to fig. 1-2, an embodiment of the present invention includes:
the utility model provides an automatic cell-phone tectorial membrane press mold mechanism's main effect does: the dustproof mobile phone film is used for paving a dustproof mobile phone film on the surface of a mobile phone when the mobile phone leaves a factory. The concrete structure comprises: the automatic dust removal device comprises a rack 1, a feeding table 2, a material loading jig 3, a dust removal unit, a film covering unit and a pressing and pasting unit, wherein the dust removal unit, the film covering unit and the pressing and pasting unit are arranged on the rack, the feeding table sequentially penetrates through the dust removal unit, the film covering unit and the pressing and pasting unit, and the material loading jig is movably arranged on the feeding table.
The material loading jig is provided with a plurality of positioning grooves for preventing the mobile phone, and the material loading jig is movably arranged in the clamping groove on the feeding table to prevent the material loading jig from displacing in the operation process.
A dust removal unit: the cleaning agent is used for removing dust and dirt on the surface of the mobile phone.
The dust removal unit includes: the air-showering dust removal device comprises an air-showering dust removal unit and a pasting dust removal unit, wherein the air-showering dust removal unit and the pasting dust removal unit are arranged on the rack and are positioned above the feeding table.
The air shower dedusting unit comprises an air shower lifting driving device 4, an air shower frame 5, an air shower lifting seat 6 and an air shower nozzle 7, wherein the air shower frame is arranged on the rack, the air shower lifting seat moves up and down on the air shower frame, and the air shower nozzle is movably arranged on the air shower lifting seat. The air shower nozzle can manually adjust the air outlet direction of the air shower nozzle and can also automatically adjust the air direction so as to blow off dust on the mobile phone.
In order to further improve the dust removal effect, the air shower frame is provided with an air shower lifting driving device which can drive the air shower frame to move up and down, the air shower frame can be of a closed structure, and the air shower frame is provided with an air extracting device so as to extract air with dust in time.
Paste dust removal unit including pasting lift drive 8, pasting translation drive, paste frame 10, adsorption frame 11, rotary drive, adsorption equipment (adsorb hole or adsorption disc) 12, the sticker of removing dust, paste lift drive and drive the adsorption frame in paste the up-and-down motion on the frame, paste translation drive and drive the adhesion frame in back and forth movement in the frame, rotary drive drives adsorption equipment and rotates on the adsorption frame, the adsorption frame is arranged in paste the bottom of frame, adsorb the hole or the adsorption disc set up in on the adsorption frame for absorb the dust removal paper.
When the material loading jig is used, the material loading jig is dedusted by the air showering dedusting unit and then enters the pasting dedusting unit; the pasting translation driving device drives the pasting frame to move to a dedusting paper taking position and adsorbs dedusting paper (one mobile phone corresponds to one or more pieces of dedusting paper); the pasting translation driving device drives the pasting frame to move to the dust removal position, the pasting lifting driving device drives the pasting frame to move downwards, and the dust removal paper is pasted on the surface of the mobile phone and is pasted to redundant dust; the pasting lifting driving device drives the pasting frame to move upwards, the pasting translation driving device drives the pasting frame to move to a dedusting paper blanking position, and the adsorption device is closed to enable the dedusting paper to fall; and circulating the steps.
A film coating unit: the mobile phone film is used for being stuck on the surface of the mobile phone.
The film covering unit includes: cell-phone membrane material loading unit, cell-phone membrane paste cover unit.
The mobile phone film feeding unit comprises a feeding roller 13, a transition roller 14, a waste roller 15 and a roller rotation driving device, wherein the waste roller 15 is used for rolling mobile phone film release paper, the feeding roller, the transition roller and the waste roller can be directly welded or screwed on a rack and can also be movably connected to the rack through a clamping seat, the waste roller is connected with the roller rotation driving device, the feeding roller and the transition roller can be located on the same horizontal plane above a feeding table, and the waste roller is arranged above the transition roller. When the mobile phone film material feeding device is used, a rolled mobile phone film material is installed on the feeding roller, then one end of the material bypasses the transition roller and is fixed on the waste material roller, and when the roller rotation driving device drives the waste material roller to move, the transition roller and the feeding roller are driven to rotate, so that feeding is completed.
Cell-phone membrane subsides cover the unit and include cylinder crane 16, cylinder link 17, roller bearing 18, press mold cylinder 19, press mold brush 20, and cylinder lift drive 9 drives the cylinder link up-and-down motion on the cylinder crane, cylinder horizontal drive drives the cylinder crane is in the frame seesaw, the cylinder link erects to be arranged in the bottom surface of cylinder crane, the both ends of roller bearing with cylinder link swing joint, the press mold cylinder with roller bearing fixed connection makes the press mold cylinder is in axial rotation on the cylinder link, the press mold brush set up in on the outer wall of press mold cylinder, wherein, the press mold brush can adopt multiple elastic structures of having such as sponge, brush, prevents to damage the surface of cell-phone.
When the mobile phone film feeding unit is ready to feed materials and the material loading jig with the mobile phone placed thereon moves to the film coating position, the mobile phone film material moves forwards, so that the mobile phone film is positioned right above the mobile phone; the roller lifting driving device drives the roller lifting frame to move downwards and presses the mobile phone film material downwards, so that the front end of the mobile phone film is separated from the release substrate and is attached to the surface of the mobile phone; the film pressing roller rolls and moves backwards, so that the mobile phone film is gradually separated from the release substrate and is completely attached to the surface of the mobile phone; the roller lifting frame lifts away from the mobile phone film material and moves forwards, and meanwhile, the release substrate is wound away by the waste roller, so that one-time film covering operation is completed; the above-described operations are repeated, and the film coating operation can be performed without interruption.
A pressing and pasting unit: the mobile phone film pressing device is used for completely pressing the mobile phone film on the surface of a mobile phone and removing redundant bubbles.
The pressing unit includes: press and paste link 21, press and paste crane 22, press and paste lift drive 23, lift slide rail, press and paste translation drive, compress tightly the unit, press and paste the link in translation motion about in the frame, press paste lift drive and lift slide rail set up in press on pasting the link, press paste lift drive with press and paste the crane and be connected, press paste the crane with lift slide rail swing joint, press and paste lift drive and drive press paste the crane along lift slide rail up-and-down motion.
The pressing units are arranged on the pressing lifting frames, and one group of pressing units correspondingly process one mobile phone.
The pressing translation driving device comprises a first screw rod 24, a first nut 25, a second screw rod 27 and a second nut 26, the first screw rod and the second screw rod are arranged on the pressing lifting frame, each screw rod is connected with a driving motor, the first nut moves back and forth on the first screw rod, the second nut moves back and forth on the second screw rod, and the moving directions of the first nut and the second nut are opposite.
The pressing unit comprises a first pressing block 28, a first pressing groove 30, a second pressing block 29 and a second pressing groove 31, the first pressing block and the second pressing block are arranged in parallel and in parallel, the first pressing block and the second pressing block have certain flexibility or elasticity, damage to a mobile phone film is prevented, the first pressing groove is formed in the bottom of the inner side wall of the first pressing block, and the second pressing groove is formed in the two pressing blocks relatively.
The first pressing block is connected with the first nut, the second pressing block is connected with the second nut, and when the screw rotates, the screw drives the first pressing block and the second pressing block to move relatively through the nuts. In order to further improve the accuracy of motion, can press and paste lift or screw rod on set up limit stop, breed the briquetting and excessively move, improve work efficiency and machining precision.
When the mobile phone film pressing device is used, when the material carrying jig moves to the pressing and pasting position, the pressing and pasting lifting frame moves downwards, so that the first pressing block and the second pressing block are pasted on the surface of a mobile phone film; the bottom of the joint of the two pressing blocks is provided with the pressing groove, so that the pressing lifting frame is driven to move left and right through the driving device, and the middle part of the mobile phone film is pressed and defoamed by the two pressing blocks; then the pressing blocks return to the initial positions, the screw drives the two pressing blocks to move outwards relatively, and the mobile phone film is compressed and defoamed from inside to outside; when the pressing groove moves to the edge of the mobile phone, the pressing lifting driving device drives the pressing lifting frame to move downwards again, and the mobile phone film is covered on the corner and the side wall of the mobile phone by the pressing groove, so that the pressing operation is completed; the pressing and pasting lifting frame is lifted, the pressing block moves inwards relatively and folds, and the material loading jig moves forwards; repeating the steps.
The automatic mobile phone film laminating mechanism has the beneficial effects that: the mobile phone is respectively dedusted and filmed by the dedusting unit, the film laminating unit and the pressing unit, so that the processing precision and the working efficiency are 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, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides an automatic cell-phone tectorial membrane press mold mechanism which characterized in that includes: the mobile phone film laminating machine comprises a rack, a feeding table, a material carrying jig for placing a mobile phone, a film laminating unit for laminating a mobile phone film on the surface of the mobile phone, and a pressing unit for pressing the mobile phone film and removing bubbles, wherein the film laminating unit and the pressing unit are arranged on the rack, the feeding table sequentially penetrates through the film laminating unit and the pressing unit, the material carrying jig is movably arranged on the feeding table,
the film covering unit includes: a mobile phone film feeding unit, a mobile phone film pasting unit,
the mobile phone film feeding unit comprises a feeding roller, a transition roller, a waste roller for rolling mobile phone film release paper and a roller rotation driving device, the feeding roller, the transition roller and the waste roller are arranged on the frame, the waste roller is connected with the roller rotation driving device, the feeding roller and the transition roller are positioned above the feeding table, the waste roller is arranged above the transition roller,
the mobile phone film pasting unit comprises a roller lifting frame, a roller connecting frame, a roller, a film pressing roller and a film pressing brush, wherein the roller connecting frame is arranged on the roller lifting frame, a roller lifting driving device drives the roller connecting frame to move up and down on the roller lifting frame, a roller horizontal driving device drives the roller lifting frame to move back and forth on the frame, the two ends of the roller are movably connected with the roller connecting frame, the film pressing roller is fixedly connected with the roller, so that the film pressing roller axially rotates on the roller connecting frame, the film pressing brush is arranged on the outer wall of the film pressing roller,
the pressing unit includes: the pressing and pasting lifting frame is movably connected with the lifting slide rail, the pressing and pasting lifting driving device drives the pressing and pasting lifting frame to move up and down along the lifting slide rail, the pressing and pasting translation driving device drives the pressing and pasting unit to move left and right on the pressing and pasting lifting frame,
the pressing translation driving device comprises a first screw rod, a first nut, a second screw rod and a second nut, the first screw rod and the second screw rod are arranged on the pressing lifting frame, each screw rod is connected with a driving motor, the first nut moves back and forth on the first screw rod, the second nut moves back and forth on the second screw rod, and the moving directions of the first nut and the second nut are opposite,
the compressing unit comprises a first pressing block, a first pressing groove, a second pressing block and a second pressing groove, the first pressing groove is formed in the bottom of the inner side wall of the first pressing block, the first pressing block is connected with the first nut, the second pressing block is connected with the second nut, and when the screw rotates, the screw drives the first pressing block and the second pressing block to move relatively through the nut.
2. The automatic mobile phone film laminating and film pressing mechanism of claim 1, wherein the loading jig is provided with a plurality of positioning grooves for preventing a mobile phone, and the loading jig is movably arranged in a clamping groove on the feeding table.
3. The automatic mobile phone film laminating and film pressing mechanism of claim 1, wherein the film laminating brush comprises a sponge and a brush.
4. The automatic mobile phone film laminating and film pressing mechanism of claim 1, wherein the pressing units are arranged on the pressing and pasting lifting frame, and one group of the pressing units correspondingly processes one mobile phone.
5. The automatic mobile phone film laminating and film pressing mechanism of claim 1, wherein the first pressing block and the second pressing block are arranged in parallel, and the first pressing block and the second pressing block are of flexible or elastic structures.
6. The automatic mobile phone film laminating and film pressing mechanism of claim 1, wherein the dust removing unit comprises: the air-showering dust removal device comprises an air-showering dust removal unit and a pasting dust removal unit, wherein the air-showering dust removal unit and the pasting dust removal unit are arranged on the rack and are positioned above the feeding table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667339.2A CN112092350A (en) | 2020-07-13 | 2020-07-13 | Automatic cell-phone tectorial membrane press mold mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010667339.2A CN112092350A (en) | 2020-07-13 | 2020-07-13 | Automatic cell-phone tectorial membrane press mold mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112092350A true CN112092350A (en) | 2020-12-18 |
Family
ID=73750649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010667339.2A Pending CN112092350A (en) | 2020-07-13 | 2020-07-13 | Automatic cell-phone tectorial membrane press mold mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112092350A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115816813A (en) * | 2022-11-30 | 2023-03-21 | 江苏广谦电子有限公司 | Film pressing device for processing inner layer circuit of PCB |
-
2020
- 2020-07-13 CN CN202010667339.2A patent/CN112092350A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115816813A (en) * | 2022-11-30 | 2023-03-21 | 江苏广谦电子有限公司 | Film pressing device for processing inner layer circuit of PCB |
| CN115816813B (en) * | 2022-11-30 | 2023-09-26 | 江苏广谦电子有限公司 | Film pressing device for processing inner-layer circuit of PCB |
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Application publication date: 20201218 |