Coating device and coating method for coating liquid on inner wall of workpiece
A coating device and coating technology are applied in the direction of devices and coatings for coating liquid on the surface, which can solve the problems of low coating efficiency and inability to accurately control the dosage of lubricating oil, and achieve high coating efficiency and liquid dosage. accurate effect
Pending Publication Date: 2021-02-09
ALBEA PLASTIC METALLIZING TECH SHANGHAI CO LTD
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Problems solved by technology
[0003] In order to make the rotation of the spiral tube smoother and improve the user experience, lubricating oil is generally applied to the inner wall of the spiral tube, but the coating is manually applied, not only the coating efficiency is low, but also the amount of lubricating oil cannot be accurately controlled
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[0031] It should be noted that, in the description of the embodiments of the present invention, unless otherwise specified and limited, the term "connection" should be understood in a broad sense. For example, it may be an electrical connection, or it may be an internal communication between two elements, it may be a direct connection, or it may be an indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations. The term "first\second\third" mentioned in the embodiment of the present invention is only used to distinguish similar objects, and does not represent a specific ordering of objects. It can be understood that "first\second\third" can be exchanged for a specific sequence or sequence if allowed.
[0032] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood t...
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The invention discloses a coating device and a coating method for coating liquid on the inner wall of a workpiece. The coating device for coating the liquid on the inner wall of the workpiece comprises a coating rod, a first driving part for driving a push rod to move axially, a second driving part for driving the coating rod to rotate and a liquid spraying mechanism for spraying liquid to a coating surface. The coating rod comprises a radial opening and closing part, a push rod for pushing the radial opening and closing part to open, and an elastic ring which partially surrounds the opening and closing part to apply a force for closing the opening and closing part to the opening and closing part; the radial opening and closing part comprises at least two opening and closing blocks, and coating surfaces for accumulating liquid are arranged on the outer surfaces of the opening and closing blocks; and the radial opening and closing part and the push rod are provided with preset structures which push the radial opening and closing part to open through axial movement of the push rod. According to the coating device and the coating method for coating the liquid on the inner wall of theworkpiece, the liquid dosage is accurate, and the coating efficiency is high.
Description
technical field [0001] The invention relates to the production technology of cosmetic containers, in particular to a coating device and a coating method for coating liquid on the inner wall of a workpiece. Background technique [0002] Lipstick is a commonly used cosmetic. At present, the packaging of lipstick generally includes a lipstick casing tube, a lipstick base, a spiral tube and a guide tube. When in use, the spiral tube is rotated, and the lipstick base moves axially in the guide tube through the spiral movement, so that the lipstick can be stretched out. The lip balm housing tube described above is convenient for users to use. [0003] In order to make the rotation of the spiral tube smoother and improve user experience, lubricating oil is generally applied to the inner wall of the spiral tube, but the coating is manually applied, not only the coating efficiency is low, but also the amount of lubricating oil cannot be accurately controlled. Contents of the inven...
Claims
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IPC IPC(8): B05C7/08B05C11/10B05D7/22
CPCB05C7/08B05C11/10B05D7/222
Inventor 池若海
Owner ALBEA PLASTIC METALLIZING TECH SHANGHAI CO LTD