CN112122067A - Upper cover tape gluing device - Google Patents
Upper cover tape gluing device Download PDFInfo
- Publication number
- CN112122067A CN112122067A CN202011006471.5A CN202011006471A CN112122067A CN 112122067 A CN112122067 A CN 112122067A CN 202011006471 A CN202011006471 A CN 202011006471A CN 112122067 A CN112122067 A CN 112122067A
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- Prior art keywords
- glue
- gluing
- lower die
- groove
- die
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1005—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material already applied to the surface, e.g. coating thickness, weight or pattern
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/11—Vats or other containers for liquids or other fluent materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0245—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to a moving work of indefinite length, e.g. to a moving web
- B05C5/025—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to a moving work of indefinite length, e.g. to a moving web only at particular part of the work
Abstract
The invention provides an upper cover tape gluing device which comprises a platform, a gluing component, a control cabinet and a gluing roller, wherein a sliding plate is arranged on the platform in a sliding manner, the gluing component is fixed on the sliding plate, and one side of the gluing component protrudes outwards to form a gluing part; the control cabinet is arranged on the platforms at the two sides of the sliding plate, and the two ends of the glue spreader are fixed on the control cabinet; the gluing assembly comprises a lower die, an upper die and a gasket, the lower die is fixed on the sliding plate, the upper die is connected with the lower die through a hinge, the top surface of the lower die is provided with a glue groove and an ink groove, and the side surface of the lower die is connected with a glue supply pipe; the bottom of the upper die is provided with an ink outlet hole, and the top of the upper die is connected with an ink supply pipe; the gasket is arranged between the lower die and the upper die, and comb teeth and an ink coating groove are arranged on the gasket. The invention has the advantages that the gasket provided with the comb teeth is arranged in the middle of the gluing component, and the lower die is provided with the gluing groove, so that the gluing process can be completed at one time, the gluing efficiency is greatly improved, the gluing effect is good, no bubbles exist, the surface is smooth, the uniformity of the upper cover tape and the carrier tape during bonding is ensured, and the paster is prevented from being influenced by jumping caused by tearing off the paster.
Description
Technical Field
The invention relates to the field of upper cover tape gluing, in particular to an upper cover tape gluing device.
Background
A cover tape, also called a cover tape or a cover tape, refers to a tape-like product used in the field of electronic packaging, which is usually used in combination with a carrier tape. The upper cover tape usually uses polyester or polypropylene film as a base layer, and is compounded or coated with different functional layers (antistatic layer, adhesive layer, etc.), and can be sealed on the surface of the carrier tape under the condition of external force or heating to form a closed space to protect electronic components in the pocket of the carrier tape.
The whole rubber coating of its binding face of cover tape in the tradition when production for there is not gluing with carrier band laminating department yet, thereby has following problem: 1. glue is greatly wasted by gluing the whole surface, and the production cost and the environmental burden are increased; 2. the whole surface is coated with glue to reduce the integral transparency of the upper cover tape, so that the inspection of the appearance batch number of the electronic component after the cover is sealed is influenced; 3. the electronic components contact the adhesive layer for a long time to form adhesion, so that the electronic components cannot be grabbed during surface mounting.
Therefore, an upper cover tape with glue coated on the joint of two sides and a carrier tape is available in the market, and the gluing method comprises the following steps: and carving comb-tooth-shaped glue grooves on the transfer roller, and then coating the glue on the original film by a transfer printing technology. Although the method overcomes the defect of the whole-surface gluing, the depth of the glue groove on the transfer roller is limited (the glue groove cannot be filled with glue if the depth is too deep, so that the thickness of the glue layer is inconsistent), so that the original film can reach the designed thickness of the glue layer after more than 8 times of circulating gluing and drying, the gluing time is greatly increased, and the production efficiency is reduced. And because the glue film is multilayer structure, it has many times gummed position not to differ, easily produces the bubble in the glue film and glue film surface scheduling problem not smooth: the different gluing positions can lead the gluing force of the upper cover tape and the carrier tape to be uneven when being bonded, and the upper cover tape and the carrier tape are easy to fall off; the air bubbles and the unsmooth surface can cause strong bonding points between the upper cover tape and the carrier tape, and the upper cover tape can jump when being torn off in the process of pasting the patch, so that the pasting of the patch is influenced.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide an upper cover tape gluing device which is high in gluing efficiency, good in gluing effect, smooth in surface of a glue layer, free of air bubbles inside the glue layer, and uniform in gluing between the upper cover tape and a carrier tape after gluing. In order to achieve the purpose, the invention adopts the following technical scheme:
(II) technical scheme
An upper cover tape gluing device comprises a platform, a gluing component, a control cabinet and a gluing roller, wherein the platform is provided with a slide rail, the slide rail is provided with a slide plate in a sliding manner, the gluing component is fixed on the slide plate, and one side of the gluing component protrudes outwards to form a gluing part;
the number of the control cabinets is two, a rotating motor is arranged in one control cabinet, the two control cabinets are respectively arranged on the platforms on the two sides of the sliding plate, and the two ends of the glue spreader are fixed on the control cabinets and connected with the rotating motor;
the glue spreading assembly comprises a lower die, an upper die and a gasket, the lower die is fixed on the sliding plate, one side of the bottom of the upper die is connected with one side of the top of the lower die through a hinge, the top surface of the lower die is provided with a glue groove and an ink groove, and the side surface of the lower die is connected with a glue supply pipe communicated with the glue groove; the bottom of the upper die is provided with an ink outlet, the top of the upper die is connected with an ink supply pipe communicated with the ink outlet, and the ink outlet is positioned above the ink groove when the upper die and the lower die are closed; the gasket is arranged between the lower die and the upper die, a plurality of comb teeth and an ink coating groove are arranged on the gasket, the comb teeth are located above the rubber groove, and the ink coating groove is located above the tail end of the ink groove.
Furthermore, the top surface of the lower die is provided with a plurality of threaded holes and at least two positioning pins, the upper die is provided with a first through hole and a first positioning hole which correspond to the threaded holes and the positioning pins respectively, the gasket is also provided with a second through hole and a second positioning hole which correspond to the threaded holes and the positioning pins respectively, and the upper die, the gasket and the lower die are fixed together through a plurality of screws.
Further, the glue groove is located the lower mould is close to rubber coating portion one side, ink groove middle part with it is linked together to go out the china ink hole, both ends are located the glue groove both sides.
Furthermore, the outer edges of the lower die, the upper die and the gasket are parallel and level, so that the outer edge of the gluing part forms a plane.
Further, the lower mould both ends are equipped with to extend outward and extend the decide thick block of switch board one side, it is equipped with the thickness meter to correspond the position on the switch board.
Furthermore, slide both ends are equipped with to extend outward and extend the position piece is ended to switch board one side, end and be equipped with on the position piece and end a bolt.
Furthermore, the slide plate is arranged at two ends of the lower die and provided with stop blocks.
Further, a glue collecting groove is arranged below the glue coating part.
Furthermore, the lower die and the upper die are fixedly connected through a detachable locking block at one side connected through a hinge.
(III) advantageous effects
Compared with the prior art, the invention has obvious advantages and beneficial effects, particularly:
1. the top surface of the lower die is provided with a glue groove, a gasket is clamped between the upper die and the lower die, one side of the gasket is provided with comb teeth, glue flows out of the glue groove through the comb teeth and is coated on an original film, the purpose that the thickness of a glue layer can be set by single gluing is achieved, the problems of position difference, air bubbles and the like caused by repeated cyclic gluing on the surface are solved, and the gluing efficiency and the gluing effect are greatly improved;
2. the top surface of the lower die is provided with an ink groove, one side of the gasket is provided with an ink coating groove, ink can be coated on two sides of the original film while coating the ink, positioning during original film cutting is facilitated, and cutting accuracy is effectively improved;
3. the gluing component is arranged on the sliding plate and can move, so that the thickness of glue layers of different products can be conveniently adjusted, and the application range is wide;
4. the two sides of the lower die are provided with the fixed thick blocks, and the control cabinet is fixed with the thickness meter, so that the distance between the gluing part and the original film can be accurately controlled, the accurate control of the thickness of the glue layer is realized, and the improvement of the product quality is facilitated;
5. the upper die and the lower die are designed to be opened and closed, so that the cleaning is convenient, and the blockage after the glue is cured is prevented.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
FIG. 3 is a side view of the glue assembly;
fig. 4 is a plan view of the lower mold 5;
fig. 5 is a top view of the gasket 9;
fig. 6 is a bottom view of upper die 6.
The reference numbers illustrate:
| 1. a platform; | 2. sliding |
| 3. A control cabinet; | 4. a slide plate; |
| 5. a lower die; (ii) a | 501. A threaded hole; |
| 502. positioning pins; | 503. a glue groove; |
| 504. a glue outlet hole; | 505. an ink tank; |
| 6. coating a film; | 601. a first through hole; |
| 602. a first positioning hole; | 603. an ink outlet; |
| 7. a hose supply pipe; | 8. an ink supply tube; |
| 9. a gasket; | 901. a second through hole; |
| 902. an ink coating groove; | 903. a second positioning hole; |
| 904. comb teeth; | 10. glue spreading roller; |
| 11. setting a thick block; | 12. a thickness gauge; |
| 13. a stopper; | 14. a stop block; |
| 15. a stop bolt; | 16. a glue coating part; |
| 17. a glue collecting groove; | 18. and (6) locking the block. |
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention is further described with reference to the following detailed description and accompanying drawings.
Referring to fig. 1 to 6, an upper cover tape gluing device includes a platform 1, a gluing component, a control cabinet 3, and a glue roller 10, wherein the platform 1 is provided with a slide rail 2, the slide rail 2 is slidably provided with a slide plate 4, the gluing component is fixed on the slide plate 4, and one side of the gluing component protrudes outwards to form a gluing part 16;
the number of the control cabinets 3 is two, a rotating motor is arranged in one control cabinet 3, the two control cabinets 3 are respectively arranged on the platforms 1 on two sides of the sliding plate 4, and two ends of the glue spreader 10 are fixed on the control cabinets 3 and connected with the rotating motor;
the gluing assembly comprises a lower die 5, an upper die 6 and a gasket 9, the lower die 5 is fixed on the sliding plate 4, and one side of the bottom of the upper die 6 is connected with one side of the top of the lower die 5 through a hinge;
as shown in fig. 4, the lower mold 5 has a glue groove 503 and an ink groove 505 on the top surface, and a glue supply tube 7 connected to the glue groove 503 on the side surface;
as shown in fig. 6, the upper mold 6 has an ink outlet 603 at the bottom, and an ink supply tube 8 connected to the ink outlet 603 at the top, and the ink outlet 603 is located above the ink tank 505 when the upper mold 6 and the lower mold 5 are closed;
as shown in fig. 3 and 5, the pad 9 is disposed between the lower mold 5 and the upper mold 6, the pad 9 is provided with comb teeth 904 and an ink applying groove 902, the comb teeth 904 are located above the glue groove 503, and the ink applying groove 902 is located above the end of the ink groove 505.
In order to ensure the sealing performance of the gluing assembly, prevent glue from leaking from the periphery and facilitate installation and alignment, the top surface of the lower die 5 is provided with a plurality of threaded holes 501 and at least two positioning pins 502, the upper die 6 is provided with a first through hole 601 and a first positioning hole 602 which correspond to the threaded holes 501 and the positioning pins 502 respectively, the gasket 9 is also provided with a second through hole 901 and a second positioning hole 903 which correspond to the threaded holes 501 and the positioning pins 502 respectively, and the upper die 6, the gasket 9 and the lower die 5 are fixed together through a plurality of screws.
The glue groove 503 is located on one side of the lower die 5 close to the glue coating portion 16, the middle of the ink groove 505 is communicated with the ink outlet 603, and two ends of the ink groove are located on two sides of the glue groove 503, so that ink is coated on the composite film from two sides of the glue coating portion 16, and the coating of glue is not affected.
The outer edges of the lower die 5, the upper die 6 and the gasket 9 are parallel and level, so that the outer edge of the glue coating part 16 forms a plane, and the coating uniformity is ensured.
Because the thickness of the glue layer needs to be controlled and adjusted during actual production, the two ends of the lower die 5 are provided with the fixed thick blocks 11 which extend outwards to one side of the control cabinet 3, and the corresponding positions on the control cabinet 3 are provided with the thickness meters 12; when the sliding plate 4 moves towards the glue coating roller 10 until the fixed thick block 11 is contacted with the contact pin of the thickness gauge 12, the distance between the glue coating part 16 and the composite film is a set value, and the glue layer thickness is obtained by subtracting the display value of the thickness gauge 12.
4 both ends of slide are equipped with to extend to the position piece 14 that ends of 3 one sides of switch board, end and be equipped with on the position piece 14 and end a bolt 15, end a bolt 15 and can rotate, adjust the movable distance of slide 4, prevent to remove excessively and damage the complex film.
The slide plate 4 is provided with stop blocks 13 at two ends of the lower die 5 to prevent glue from splashing.
And a glue collecting groove 17 is arranged below the gluing part 16 and used for collecting glue dropped from the gluing part 16 to prevent equipment from being polluted.
The lower die 5 and the upper die 6 are fixedly connected through a detachable locking block 18 at one side connected through a hinge, and the sealing performance of the gluing assembly is further improved.
The principle of the invention is as follows: the composite film bypasses the glue spreader 10, then the sliding plate 4 is controlled by a motor to move to the thickness meter 12 to display a set numerical value, then a rotating motor in the control cabinet 3 is started to rotate the glue spreader 10, and the composite film on the glue spreader is tightly attached to a glue spreading part 16 for spreading glue (the glue spreading speed is controlled to be about 40m/min, and the thickness of the gasket 9 is 0.15-0.3 mm); the glue is led to the glue outlet hole 504 from the storage barrel through the glue supply pipe 7, then flows into the glue groove 503, and finally flows out of the gap of the comb 904 and is coated on the surface of the composite film, so that a plurality of pieces of glue are formed on the surface of the composite film; because the composite film is made of transparent material, it needs to be cut after gluing to form a plurality of narrower upper cover tapes, so for convenient positioning, the two sides of the composite film need to be coated with ink for auxiliary positioning, the ink flows into the ink outlet 603 from the ink supply tube 8, then flows to the ink coating grooves 902 at the two ends along the ink grooves 505, and finally is coated to the two sides outside the gluing area of the composite film for auxiliary positioning; the composite film is directly dried in a drying box after being subjected to gluing treatment, so that the glue is solidified, and then the upper cover tape finished product can be formed after surface treatment, drying, cutting and winding.
The design key points of the invention lie in that the middle of the gluing component is provided with the gasket with the comb teeth, and the lower die is provided with the glue groove in a carved manner, so that the gluing process can be completed at one time, the gluing efficiency is greatly improved, the gluing effect is good, no air bubbles exist, the surface is smooth, the uniformity of the upper cover tape and the carrier tape in the gluing process is ensured, and the paster is prevented from being torn off and jumping to influence the paster.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (9)
1. The utility model provides an upper cover tape rubber coating device which characterized in that: the glue spreading device comprises a platform (1), a glue spreading component, a control cabinet (3) and a glue spreading roller (10), wherein a sliding rail (2) is arranged on the platform (1), a sliding plate (4) is arranged on the sliding rail (2) in a sliding manner, the glue spreading component is fixed on the sliding plate (4), and one side of the glue spreading component protrudes outwards to form a glue spreading part (16);
the number of the control cabinets (3) is two, a rotating motor is arranged in one control cabinet (3), the two control cabinets (3) are respectively arranged on the platforms (1) on the two sides of the sliding plate (4), and the two ends of the glue spreader (10) are fixed on the control cabinets (3) and connected with the rotating motor;
the gluing assembly comprises a lower die (5), an upper die (6) and a gasket (9), the lower die (5) is fixed on the sliding plate (4), one side of the bottom of the upper die (6) is connected with one side of the top of the lower die (5) through a hinge, the top surface of the lower die (5) is provided with a glue groove (503) and an ink groove (505), and the side surface of the lower die is connected with a glue supply pipe (7) communicated with the glue groove (503); an ink outlet (603) is formed in the bottom of the upper die (6), an ink supply pipe (8) communicated with the ink outlet (603) is connected to the top of the upper die, and the ink outlet (603) is located above the ink tank (505) when the upper die (6) and the lower die (5) are closed; gasket (9) are located between lower mould (5) and last mould (6), be equipped with broach (904) and scribble china ink groove (902) on gasket (9), broach (904) are located gluey groove (503) top, scribble china ink groove (902) and be located inking ink groove (505) terminal top.
2. The gluing device of an upper cover tape as claimed in claim 1, wherein: the die is characterized in that the top surface of the lower die (5) is provided with a plurality of threaded holes (501) and at least two positioning pins (502), the upper die (6) is provided with a first through hole (601) and a first positioning hole (602) which correspond to the threaded holes (501) and the positioning pins (502) respectively, the gasket (9) is also provided with a second through hole (901) and a second positioning hole (903) which correspond to the threaded holes (501) and the positioning pins (502) respectively, and the upper die (6), the gasket (9) and the lower die (5) are fixed together through a plurality of screws.
3. The gluing device of an upper cover tape as claimed in claim 1, wherein: the glue groove (503) is positioned at one side of the lower die (5) close to the glue coating part (16), the middle part of the ink groove (505) is communicated with the ink outlet hole (603), and two ends of the ink groove are positioned at two sides of the glue groove (503).
4. The gluing device of an upper cover tape as claimed in claim 1, wherein: the outer edges of the lower die (5), the upper die (6) and the gasket (9) are flush, so that the outer edge of the gluing part (16) forms a plane.
5. The gluing device of an upper cover tape as claimed in claim 1, wherein: lower mould (5) both ends are equipped with to extend to decide thick block (11) of switch board (3) one side, it is equipped with thickness meter (12) to correspond the position on switch board (3).
6. The gluing device of an upper cover tape as claimed in claim 1, wherein: slide (4) both ends are equipped with to extend outward and extend the position piece (14) are ended to switch board (3) one side, end and be equipped with on position piece (14) and end position bolt (15).
7. The gluing device of an upper cover tape as claimed in claim 1, wherein: and the sliding plate (4) is provided with stop blocks (13) at two ends of the lower die (5).
8. The gluing device of an upper cover tape as claimed in claim 1, wherein: a glue collecting groove (17) is arranged below the glue coating part (16).
9. The gluing device of an upper cover tape as claimed in claim 1, wherein: and one side of the lower die (5) and one side of the upper die (6) which are connected through a hinge are fixedly connected through a detachable locking block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006471.5A CN112122067A (en) | 2020-09-23 | 2020-09-23 | Upper cover tape gluing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011006471.5A CN112122067A (en) | 2020-09-23 | 2020-09-23 | Upper cover tape gluing device |
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| Publication Number | Publication Date |
|---|---|
| CN112122067A true CN112122067A (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011006471.5A Pending CN112122067A (en) | 2020-09-23 | 2020-09-23 | Upper cover tape gluing device |
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| CN (1) | CN112122067A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114904714A (en) * | 2022-06-10 | 2022-08-16 | 肇庆市宏华电子科技有限公司 | Curtain coating mechanism for preparing ultrathin film |
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Application publication date: 20201225 |