CN113198686B - Special point gum machine in COB lamp area - Google Patents

Special point gum machine in COB lamp area Download PDF

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Publication number
CN113198686B
CN113198686B CN202110374271.3A CN202110374271A CN113198686B CN 113198686 B CN113198686 B CN 113198686B CN 202110374271 A CN202110374271 A CN 202110374271A CN 113198686 B CN113198686 B CN 113198686B
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dispensing
moving
glue
control unit
moving shaft
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CN113198686A (en
Inventor
朱永茂
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Shenzhen Xinlongbang Technology Co ltd
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Shenzhen Xinlongbang Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02Apparatus 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
    • B05C5/027Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1002Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
    • B05C11/1015Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1002Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
    • B05C11/1015Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target
    • B05C11/1023Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target responsive to velocity of target, e.g. to web advancement rate
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Coating Apparatus (AREA)

Abstract

The invention relates to the field of dispensing machines, in particular to a dispensing machine special for a COB (chip on board) lamp strip, which comprises a dispensing table, a control unit, a feeding mechanism, a moving assembly, an image acquisition assembly and a dispensing mechanism, wherein in the moving process of the lamp strip, the control unit simultaneously controls a third moving shaft of the moving assembly and a power roller of the feeding mechanism to enable the glue discharging speed to be in a certain proportion to the moving speed of the lamp strip, so that the glue discharging accuracy of the dispensing machine is ensured, the control unit controls the first moving shaft and the second moving shaft to act according to datum point information acquired by the image acquisition assembly, and adjusts a glue discharging point in real time, so that the position of the glue discharging point is kept accurate.

Description

Special point gum machine in COB lamp area
Technical Field
The invention relates to the field of dispenser, in particular to a dispenser special for a COB lamp strip.
Background
In industrial production, a plurality of processes need to carry out glue dispensing, such as printed circuit boards, integrated circuits, lamp strips and the like, and the industrial application of the glue dispenser greatly improves the production efficiency and the product quality of the glue dispensing process. When the glue is dispensed to the lamp strip, the lamp strip is generally paved on a lamp strip jig in the lamp strip, the glue is dispensed, and the glue dispenser is large in size. And the dispensing mechanism can not accurately find the corresponding target point in the dispensing process, the dispensing speed is uncontrollable, the problems of deviation of the dispensing position, inaccurate dispensing and the like easily occur, and the dispensing quality is influenced. Therefore, a dispensing machine which is small in size, accurate in glue discharging, and controllable in glue discharging amount and glue dispensing position in real time needs to be designed, so that the occupied space of the dispensing machine is reduced, accurate glue discharging is guaranteed, and the glue dispensing quality is improved.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a special dispenser for a COB lamp strip, and the problem to be solved by the invention is that: the existing dispensing machine has large volume, inaccurate glue discharging in production, uncontrollable glue discharging amount and glue dispensing position in real time and poor glue dispensing quality.
In order to achieve the purpose, the invention provides the following technical scheme:
a special dispensing machine for COB lamp belts comprises a dispensing table and a control unit, wherein a feeding mechanism and a moving assembly are mounted on a table board of the dispensing table, the feeding mechanism comprises a feeding guide plate, a limiting guide roller is mounted above the feeding guide plate, a power roller is mounted below the feeding guide plate, the limiting guide roller corresponds to the power roller, an image acquisition assembly is mounted above the feeding mechanism and comprises a camera support, a camera is mounted on the camera support and is adjusted to align the camera to a reference point of the lamp belt, the camera acquires reference point information on the lamp belt, the moving assembly is mounted with the dispensing mechanism, the image acquisition assembly is connected with the control unit, the moving assembly is connected with the control unit, and the image acquisition assembly transmits acquired image information to the control unit, the control unit controls the movement of the moving assembly according to the information of the datum point and controls the moving assembly in real time according to the real-time datum point information, so that the position of the glue outlet point is adjusted in real time according to the real-time working condition of the lamp strip, the control unit controls the moving assembly to move the glue dispensing mechanism to the glue dispensing position for glue dispensing, and the control unit controls the moving assembly and the feeding mechanism simultaneously so that the glue outlet speed is adjusted in real time according to the moving speed of the lamp strip.
As a preferable scheme of the invention, limiting plates are arranged on two sides of the feeding guide plate.
As a preferable aspect of the present invention, the moving assembly includes a moving bracket, the moving bracket is provided with a first moving shaft, the first moving shaft is provided with a second moving shaft, the second moving shaft is provided with a third moving shaft, and the dispensing mechanism is provided on the second moving shaft.
In a preferred embodiment of the present invention, the moving direction of the second moving axis is perpendicular to the moving direction of the first moving axis, and the moving direction of the third moving axis is parallel to the moving direction of the second moving axis.
As a preferred scheme of the invention, the glue dispensing mechanism comprises a glue dispensing valve, and a glue filling cylinder is arranged on the side surface of the glue dispensing valve.
In a preferred embodiment of the present invention, the dispensing valve is a multi-head volumetric metering dispensing valve.
As a preferable scheme of the present invention, the third moving shaft is connected to the dispensing valve, and when dispensing is to be performed, the third moving shaft pushes the dispensing valve to discharge the dispensing valve.
As a preferable scheme of the present invention, the image capturing assembly further includes a light source, the camera is mounted with a lens, and the light source is mounted below the lens.
As a preferred aspect of the present invention, the control unit is a motion control card or a PLC.
As a preferred scheme of the present invention, the dispensing table is provided with a display, a button box is arranged on a side edge of a table top of the dispensing table, a residual glue barrel is arranged below the dispensing mechanism, and after the dispensing operation is finished, the dispensing mechanism moves to a position above the residual glue barrel.
The invention has the technical effects and advantages that:
1. the special dispensing machine for the COB lamp strip is provided with an image acquisition assembly, a datum point is found on the lamp strip and datum point information is transmitted to a control unit, the control unit controls the movement of a moving assembly according to the datum point information, the moving assembly is controlled in real time according to the real-time datum point information, the position of a glue outlet point is adjusted in real time according to the real-time working condition of the lamp strip, and the accuracy of the glue outlet position is ensured;
2. the control unit of the image acquisition assembly is arranged on the dispensing machine special for the COB lamp strip, the moving shaft of the moving assembly and the power roller of the feeding mechanism are controlled simultaneously, so that the glue discharging speed is adjusted in real time according to the moving speed of the lamp strip, and the glue discharging accuracy of the dispensing machine is guaranteed.
Drawings
Fig. 1 is a schematic perspective view of an overall structure of a dispenser dedicated for a COB lamp strip according to the present invention;
fig. 2 is a schematic three-dimensional view of a feeding mechanism and an image acquisition assembly in the special dispenser for the COB lamp strip of the present invention;
fig. 3 is a cross sectional view of a feeding mechanism in a special dispenser for a COB lamp strip according to the present invention;
fig. 4 is a schematic perspective view of a moving assembly of a feeding mechanism and a dispensing mechanism in the dispensing machine special for the COB lamp strip of the present invention;
fig. 5 is a schematic perspective view of an image collecting assembly in a dispenser dedicated for a COB lamp strip according to the present invention;
fig. 6 is a control structure diagram of the special dispenser for the COB lamp strip according to the present invention.
The reference signs are: the glue dispensing device comprises a glue dispensing table (1), a control unit (2), a feeding mechanism (3), a moving assembly (4), an image acquisition assembly (5), a glue dispensing mechanism (6), a display (7), a button box (8), a residual glue barrel (9), a feeding guide plate (301), a limiting plate (302), a limiting guide roller (303), a power roller (304), a support (401), a first moving shaft (402), a second moving shaft (403), a third moving shaft (404), a camera support (501), a camera (502), a lens (503), a light source (504), a glue dispensing valve (601) and a glue pouring barrel (602).
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
A special dispenser for a COB (chip on Board) lamp strip comprises a dispensing table (1) and a control unit (2), wherein a feeding mechanism (3) and a moving assembly (4) are installed on a table top of the dispensing table (1), the feeding mechanism (3) comprises a feeding guide plate (301), a limiting guide roller (303) is installed above the feeding guide plate (301), a power roller (304) is installed below the feeding guide plate (301), the limiting guide roller (303) corresponds to the power roller (304), an image acquisition assembly (5) is installed above the feeding mechanism (3), the image acquisition assembly (5) comprises a camera support (501), a camera (502) is installed on the camera support (501), the camera support (501) is adjusted to enable the camera (502) to be aligned with a reference point of the lamp strip, the camera (502) acquires reference point information on the lamp strip, the dispensing mechanism (6) is installed on the moving assembly (4), the image acquisition assembly (5) is connected with the control unit (2), the moving assembly (4) is connected with the control unit (2), the image acquisition assembly (5) transmits acquired image information to the control unit (2), the control unit (2) controls the moving assembly (4) to act according to the information of the datum point and controls the moving assembly (4) in real time according to the real-time datum point information, so that the position of a glue outlet point is adjusted in real time according to the real-time working condition of the lamp strip, the control unit (2) moves the glue dispensing mechanism (6) to the glue dispensing position through the moving assembly (4) to perform glue dispensing operation, the control unit (2) controls the moving assembly (4) and the feeding mechanism (3) simultaneously, and the glue outlet speed is adjusted in real time according to the moving speed of the lamp strip.
Preferably, the feeding mechanism (3) comprises a feeding guide plate (301), limiting plates (302) are mounted on two sides of the feeding guide plate (301), a limiting guide roller (303) is mounted above the feeding guide plate (301), a power roller (304) is mounted below the feeding guide plate (301), and the limiting guide roller (303) corresponds to the power roller (304). In the dispensing process, the lamp strip moves along the feeding guide plate (301), the limiting plate (302) carries out coarse positioning on the lamp strip, the power roller (304) rotates to drive the lamp strip to move, and the limiting guide roller (303) limits the lamp strip to enable the lamp strip to be always attached to the feeding guide plate (301).
Preferably, the moving assembly (4) comprises a moving support (401), a first moving shaft (402) is mounted on the moving support (401), a second moving shaft (403) is mounted on the first moving shaft (402), a third moving shaft (404) is mounted on the second moving shaft (403), and the glue dispensing mechanism (6) is mounted on the second moving shaft (403). The moving direction of the second moving axis (403) is perpendicular to the moving direction of the first moving axis (402), and the moving direction of the third moving axis (404) is parallel to the moving direction of the second moving axis (403). When dispensing is started, the control unit (2) controls the first moving shaft (401) to move the dispensing mechanism (6) to the position above the lamp strip, and the second moving shaft (403) adjusts the height of the dispensing mechanism (6) to enable the dispensing mechanism (6) to reach a set initial position. After dispensing is started, the third moving shaft (404) acts to enable the dispensing mechanism (6) to discharge the glue. The image acquisition assembly (5) is looked for the benchmark on the lamp area and is conveyed the information of benchmark to the control unit (2), and the first axle (401), second removal axle (403), third removal axle (404) action of moving of control unit (2) control is adjusted and control the position of gluing the point in real time according to the real-time information of benchmark, and it is that it keeps accurate to go out to glue.
Preferably, the glue dispensing mechanism (6) comprises a glue dispensing valve (601), and a glue filling cylinder (602) is installed on the side surface of the glue dispensing valve (601). The dispensing valve (601) is a multi-head volumetric metering dispensing valve. The multi-head volume metering type dispensing valve can be provided with dispensing valves with different head numbers according to lamp belts of different models, so that the dispensing machine has stronger compatibility. In the daily work of the dispensing machine, colloid can be stored in the dispensing valve (601), when the colloid in the dispensing valve (601) is consumed, the glue filling cylinder (602) automatically replenishes the dispensing valve (601), and the work cycle of the dispensing machine is more durable. The third moving shaft (404) is connected with the dispensing valve (601), and when dispensing is to be carried out, the third moving shaft (404) pushes the dispensing valve (601) to enable the dispensing valve (601) to discharge glue.
Preferably, the image acquisition assembly (5) comprises a camera support (501), a camera (502) and a light source (504) are installed on the camera support (501), a lens (503) is installed on the camera (502), and the light source (504) is installed below the lens (503). Adjust camera support (501), make camera (502) aim at the benchmark in lamp area, camera (502) gather the benchmark information on the lamp area, camera (502) are installed camera lens (503), can effectively improve the precision when camera (502) gather the benchmark information, light source (504) when image acquisition subassembly (5) carries out the collection of benchmark information, for camera (502) light filling, make the characteristic of benchmark more clear, the precision when further improvement camera (502) gather the benchmark information.
Preferably, the control unit (2) is a motion control card or PLC. An engineer inputs a control program into the control unit (2), and in the dispensing process, the control unit (2) simultaneously controls the third moving shaft (404) of the moving component (4) and the power roller (304) of the feeding mechanism (3), so that the dispensing speed is adjusted in real time according to the moving speed of the lamp strip, and the dispensing accuracy of the dispensing machine is ensured. The control unit (2) controls the first moving shaft (401) and the second moving shaft (403) to act according to the datum point information acquired by the image acquisition assembly (5), so that the glue outlet point can be adjusted in real time according to the real-time datum point information, and the glue outlet position can be kept accurate.
Preferably, the display (7) is installed to the dispensing table (1), the button box (8) is installed to the side of the table top of the dispensing table (1), the residual glue barrel (9) is installed below the dispensing mechanism (6), and after the dispensing operation is finished, the dispensing mechanism (6) moves to the position above the residual glue barrel (9). The display (7) is used for displaying the working state and relevant parameters of the dispenser, so that the operation is more visual, and the dispenser is convenient for workers to operate. The button box (8) is provided with buttons with functions of emergency stop, starting, stopping and the like, and the dispenser can be controlled through the button box in daily work of the dispenser. The residual glue barrel (9) is installed below the standby position of the glue dispensing mechanism (6), and when the glue dispensing mechanism (6) is in the standby position, the residual glue barrel (9) is used for collecting residual glue dripped by the glue dispensing mechanism (6) and preventing the residual glue from polluting parts of the glue dispensing machine.
The working principle of the invention is as follows: when dispensing is carried out, a worker presses a start button of a button box (8), a power roller (304) drives a lamp belt to move along a feeding guide plate (301), a limiting plate (302) carries out coarse positioning on the lamp belt, a limiting guide roller (303) enables the lamp belt to be attached to the feeding guide plate (301), a first moving shaft (402) moves a dispensing mechanism (6) to the position above the lamp belt, a second moving shaft (403) adjusts the height of the dispensing mechanism (6) to enable the dispensing mechanism (6) to reach a set position, an image acquisition assembly (5) acquires information of a datum point on the lamp belt and transmits the datum point information to a control unit (2), the control unit (2) controls the first moving shaft (402) and the second moving shaft (403) to act, further, the position of the dispensing mechanism (6) is adjusted, a third moving shaft (404) acts to push a dispensing valve (601) to act, and discharging glue from the glue dispensing valve (601). In the moving process of the lamp strip, the control unit (2) controls the third moving shaft (404) of the moving component (4) and the power roller (304) of the feeding mechanism (3) simultaneously, so that the glue discharging speed can be adjusted in real time according to the moving speed of the lamp strip, the glue discharging accuracy of the dispensing machine is ensured, the control unit (2) controls the first moving shaft (402) and the second moving shaft (403) to act according to datum point information collected by the image collecting component (5), glue discharging points can be adjusted in real time, the positions of the glue discharging points can be kept accurate, when glue in the dispensing valve (601) is completely consumed, the glue filling cylinder (602) automatically performs glue filling on the dispensing valve (601), so that the working cycle of the dispensing machine is more durable, the residual glue barrel (9) is installed below a standby position of the dispensing mechanism (6), and when the dispensing mechanism (6) is in the standby position, the residual glue barrel (9) is used for collecting residual glue dropped by the dispensing mechanism (6), prevent the residual glue from polluting the components of the glue dispenser.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
In the description of the present invention, it should be noted that the terms "side", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Furthermore, the terms "first", "second", "third", "fourth" 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," "second," "third," or "fourth" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Claims (10)

1. The utility model provides a special point gum machine in COB lamp area, includes dispensing platform (1), the control unit (2), its characterized in that: install feeding mechanism (3), removal subassembly (4) on the mesa of platform (1) is glued to the point, feeding mechanism (3) is including pay-off baffle (301), spacing deflector roll (303) is installed to the top of pay-off baffle (301), power cylinder (304) are installed to pay-off baffle (301) below, spacing deflector roll (303) with power cylinder (304) are corresponding, image acquisition subassembly (5) are installed to feeding mechanism (3) top, image acquisition subassembly (5) are including camera support (501), camera (502) are installed to camera support (501), adjust camera support (501), make camera (502) aim at the benchmark point in lamp area, camera (502) gather the benchmark information in lamp area, remove subassembly (4) and install some mechanism (6), image acquisition subassembly (5) with the control unit (2) link to each other, the moving assembly (4) is connected with the control unit (2), the image acquisition assembly (5) transmits acquired image information to the control unit (2), the control unit (2) controls the moving assembly (4) to act according to the information of the datum point and controls the moving assembly (4) in real time according to the real-time datum point information, so that the position of a glue outlet point is adjusted in real time according to the real-time working condition of the lamp strip, the control unit (2) controls the moving assembly (4) to move the glue dispensing mechanism (6) to the glue dispensing position for glue dispensing, and the control unit (2) controls the moving assembly (4) and the feeding mechanism (3) simultaneously to adjust the glue outlet speed in real time according to the moving speed of the lamp strip.
2. The special dispensing machine for COB lamp strips of claim 1, characterized in that: and limiting plates (302) are arranged on two sides of the feeding guide plate (301).
3. The special dispensing machine for COB lamp strips of claim 1, characterized in that: the moving assembly (4) comprises a moving support (401), a first moving shaft (402) is installed on the moving support (401), a second moving shaft (403) is installed on the first moving shaft (402), a third moving shaft (404) is installed on the second moving shaft (403), and the glue dispensing mechanism (6) is installed on the second moving shaft (403).
4. The special dispensing machine for COB lamp strips of claim 3, characterized in that: the direction of movement of the second movement axis (403) is perpendicular to the direction of movement of the first movement axis (402), and the direction of movement of the third movement axis (404) is parallel to the direction of movement of the second movement axis (403).
5. The special dispensing machine for COB lamp strips of claim 1, characterized in that: the dispensing mechanism (6) comprises a dispensing valve (601), and a glue filling cylinder (602) is installed on the side surface of the dispensing valve (601).
6. The special dispensing machine for COB lamp strips of claim 5, characterized in that: the dispensing valve (601) is a multi-head volumetric metering type dispensing valve.
7. The special point gum machine in COB lamp area of any one of claims 3-6, characterized in that: the third moving shaft (404) is connected with the dispensing valve (601), and when dispensing is to be carried out, the third moving shaft (404) pushes the dispensing valve (601) to enable the dispensing valve (601) to discharge the glue.
8. The special dispensing machine for COB lamp strips of claim 1, characterized in that: the image acquisition assembly (5) further comprises a light source (504), the camera (502) is provided with a lens (503), and the light source (504) is arranged below the lens (503).
9. The special dispensing machine for COB lamp strips of claim 1, characterized in that: the control unit (2) is a motion control card or PLC.
10. The special dispensing machine for COB lamp strips of claim 1, characterized in that: display (7) are installed in some platform (1), button box (8) are installed to the side of some platform (1) mesa of gluing, some below of gluing mechanism (6) is installed incomplete and is glued bucket (9), and after some work finished, some gluing mechanism (6) move to incomplete gluey bucket (9) top.
CN202110374271.3A 2021-04-07 2021-04-07 Special point gum machine in COB lamp area Active CN113198686B (en)

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CN113580595B (en) * 2021-09-28 2021-12-14 江苏与润光电科技有限公司 Lamp area leveling device
CN114602741B (en) * 2022-03-30 2023-08-29 深圳市鑫龙邦科技有限公司 Roll-to-roll COB lamp strip dispenser and method
CN116677934B (en) * 2023-05-31 2024-05-28 深圳市华笙光电子有限公司 Production method of soft package lamp strip

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