CN114130579B - Roller dot-like coating equipment and coating method - Google Patents

Roller dot-like coating equipment and coating method Download PDF

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Publication number
CN114130579B
CN114130579B CN202111624412.9A CN202111624412A CN114130579B CN 114130579 B CN114130579 B CN 114130579B CN 202111624412 A CN202111624412 A CN 202111624412A CN 114130579 B CN114130579 B CN 114130579B
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CN
China
Prior art keywords
paint
cylinder
inner cylinder
outer cylinder
paint supply
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Application number
CN202111624412.9A
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Chinese (zh)
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CN114130579A (en
Inventor
郭亦之
郭黎晓
杨连收
王允忠
钱小平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Bianselong Micro Powder Technology Co ltd
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Jiangsu Bianselong Micro Powder Technology Co ltd
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Priority to CN202111624412.9A priority Critical patent/CN114130579B/en
Publication of CN114130579A publication Critical patent/CN114130579A/en
Application granted granted Critical
Publication of CN114130579B publication Critical patent/CN114130579B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278Arrangement or mounting of spray heads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/02Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/082Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to a condition of the discharged jet or spray, e.g. to jet shape, spray pattern or droplet size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/085Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
    • B05B12/087Flow or presssure regulators, i.e. non-electric unitary devices comprising a sensing element, e.g. a piston or a membrane, and a controlling element, e.g. a valve
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00Arrangements for collecting, re-using or eliminating excess spraying material
    • 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
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Nozzles (AREA)

Abstract

The invention relates to roller dot-like coating equipment, which comprises an outer cylinder, wherein the outer cylinder is fixedly arranged, a paint spraying area is arranged on the outer cylinder, and a plurality of paint spraying holes are formed in the paint spraying area; the inner cylinder is rotationally arranged in the outer cylinder; a paint supply cavity is formed between one end of the inner cylinder and the inner wall of the outer cylinder, a paint return cavity is formed between the other end of the inner cylinder and the inner wall of the outer cylinder, at least one paint supply groove is formed in the outer wall of the inner cylinder, and two ends of the paint supply groove are respectively communicated with the paint supply cavity and the paint return cavity; a coating method adopts the roller dot-shaped coating equipment; the paint is pumped into the paint supply chamber, the inner cylinder is driven to rotate, and when the inner cylinder rotates to the state that the paint supply groove is communicated with the air spraying holes, the paint in the paint supply chamber is sprayed out from each paint spraying nozzle through the paint supply groove so as to carry out coating. The paint has the advantages of uniform dot size, uniform coating arrangement, random adjustment and control of dot size and dot number, stable and reliable production process, and the like, and can be used for mass coating production.

Description

Roller dot-like coating equipment and coating method
Technical Field
The invention relates to the field of coating equipment, in particular to roller dot-shaped coating equipment and a coating method.
Background
The painting of the punctiform texture is an important method for painting artistic texture coating. The dot texture coating can be used for preparing various artistic coatings like stone texture, metal imitation and the like, so that the value of the coating product is greatly increased.
The traditional dot texture coating method uses a spray gun to spray dot paint. The spray gun adopts a nozzle with larger aperture, and the air pressure is regulated to spray the paint in a dot form. The greater the air pressure, the smaller the paint dot, and the closer to atomization. According to this principle, various special spray-point spray guns are also produced. There are also continuous production automatic spray guns common with manual spray guns.
Along with the increase of the demand of people for artistic texture coating products, the demand of the functions and application scenes of point-like coating equipment is higher, for example, the new demand is put forward for the coating equipment for large-scale continuous coating production of large-area plates, whether sheets or coiled materials are used, the shape and the size of the coating points required to be coated are equal, the coating points on a substrate are uniformly distributed, the stable and reliable coating equipment is required in the continuous production process, and the controllable coating points also need to be regulated at any time. The similar coating equipment can be used for coating the spot-shaped coating of the cement board, coating the sheet metal board and coating the spot-shaped coating of the coiled material metal board, particularly coating the color aluminum board and the color steel board, can prepare a very unique texture coating and has great market demands.
It is clear that conventional spot coating apparatuses and methods do not meet the requirements of stable and reliable coating over a large area.
Disclosure of Invention
The invention aims to solve the technical problems that: the roller dot-shaped coating equipment and the coating method overcome the defects of the prior art, and solve the problem that the existing coating equipment cannot meet the requirements of large-area stability and reliability.
The technical scheme adopted for solving the technical problems is as follows:
first aspect:
provides roller punctiform coating equipment, which comprises
The outer cylinder is fixedly arranged, a paint spraying area is arranged on the outer cylinder, and a plurality of paint spraying holes are formed in the paint spraying area;
the inner cylinder is penetrated in the outer cylinder and is tightly attached to the inner wall of the outer cylinder, and two ends of the inner cylinder are respectively connected with the left end and the right end of the outer cylinder in a rotating way so that the inner cylinder is arranged in the outer cylinder in a rotating way;
a paint supply cavity is formed between one end of the inner cylinder and the inner wall of the outer cylinder, a paint return cavity is formed between the other end of the inner cylinder and the inner wall of the outer cylinder, at least one paint supply groove is formed in the outer wall of the inner cylinder, and two ends of the paint supply groove are respectively communicated with the paint supply cavity and the paint return cavity;
when the inner cylinder rotates to the paint supply groove and is communicated with the air spraying holes, paint entering the paint supply cavity is sprayed out of each paint spraying hole through the paint supply groove, and redundant paint flows out of the paint return cavity.
Further, the outer cylinder comprises
The device comprises a cylinder body, a left sealing cover and a right sealing cover, wherein the left sealing cover is arranged at the left end of the cylinder body, and the right sealing cover is arranged at the right end of the cylinder body;
a paint supply cavity is formed between the right sealing cover and the cylinder, and a paint inlet hole is formed in the right sealing cover;
and a paint return cavity is formed between the left sealing cover and the cylinder body, and a reflow hole is formed in the left sealing cover.
Furthermore, the inner cylinder is fixedly connected with the rotating shaft, and two ends of the rotating shaft respectively penetrate through the left sealing cover and the right sealing cover and respectively form rotary sealing fit with the two sealing covers.
Further, the paint supply groove is formed in a longitudinal straight line along the outer wall of the inner cylinder.
Further, each air jet hole is arranged in a longitudinal straight line along the paint spraying area of the outer cylinder.
Further, the device also comprises a driving motor which is in transmission connection with the rotating shaft so as to drive the inner cylinder to rotate.
Further, the thickness of the outer cylinder body is 5-10 mm;
the diameter of the inner cylinder is 50-250 mm;
the width of the paint supply groove is 1-10 mm, and the depth is 10-30 mm.
Further, the paint spraying hole is connected with a paint spraying nozzle;
the aperture of the spray nozzle is 0.2-1.5 mm.
Second aspect:
providing a coating method, wherein the roller point-shaped coating equipment is adopted;
the paint is pumped into the paint supply chamber, the inner cylinder is driven to rotate, and when the inner cylinder rotates to the state that the paint supply groove is communicated with the air spraying holes, the paint in the paint supply chamber is sprayed out from each paint spraying nozzle through the paint supply groove so as to carry out coating.
The beneficial effects of the invention are as follows:
the roller dot-shaped coating equipment and the coating method have the advantages of uniform dot-shaped size, uniform coating arrangement, random adjustment and control of dot size and dot number, stable and reliable production process, suitability for mass coating production and the like.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a roller spot coating apparatus of the present invention;
FIG. 2 is a lateral view of the inner cylinder;
wherein,
2. the device comprises an outer cylinder, a 21, a cylinder body, a 22, a left sealing cover, a 23 and a right sealing cover;
31. a paint supply chamber, 32, a paint return chamber;
4. an inner cylinder, 41, a paint supply groove;
5. a rotating shaft;
61. paint spraying holes 62 and paint spraying nozzles.
Detailed Description
The invention will now be further described with reference to the accompanying drawings. These drawings are simplified schematic views illustrating the basic structure of the present invention by way of illustration only, and thus show only the constitution related to the present invention.
Example 1
As shown in FIG. 1 and FIG. 2, a roller spot-type coating apparatus comprises
The outer cylinder 2 is fixedly arranged, a paint spraying area is arranged on the outer cylinder 2, and a plurality of paint spraying holes 61 are formed in the paint spraying area;
the inner cylinder 4 is arranged in the outer cylinder 2 in a penetrating way and is tightly attached to the inner wall of the outer cylinder 2, and two ends of the inner cylinder 4 are respectively connected with the left end and the right end of the outer cylinder 2 in a rotating way so that the inner cylinder 4 is arranged in the outer cylinder 2 in a rotating way;
a paint supply chamber 31 is formed between one end of the inner cylinder 4 and the inner wall of the outer cylinder 2, a paint return chamber 32 is formed between the other end of the inner cylinder 4 and the inner wall of the outer cylinder 2, at least one paint supply groove 41 is formed in the outer wall of the inner cylinder 4, and two ends of the paint supply groove 41 are respectively communicated with the paint supply chamber 31 and the paint return chamber 32;
when the inner cylinder 4 rotates until the paint supply groove 41 communicates with the air ejection holes, paint entering the paint supply chamber 31 is ejected from the respective paint ejection holes 61 through the paint supply groove 41, and surplus paint flows out from the paint return chamber 32.
Specifically, as an alternative implementation of the present embodiment, as shown in fig. 1, the outer cylinder 2 includes
The device comprises a cylinder 21, a left sealing cover 22 and a right sealing cover 23, wherein the left sealing cover 22 is arranged at the left end of the cylinder 21, and the right sealing cover 23 is arranged at the right end of the cylinder 21;
a paint supply chamber 31 is formed between the right sealing cover 23 and the cylinder 21, and a paint inlet hole is formed in the right sealing cover 23;
a paint return chamber 32 is formed between the left sealing cover 22 and the cylinder 21, and a reflow hole is formed in the left sealing cover 22.
In this embodiment, the paint inlet is connected to a paint pumping device which inputs paint into the paint supply chamber 31 through the paint inlet.
In this embodiment, a valve is provided in the return orifice to control the amount of paint returned to control the pressure in the paint return chamber 32 and thus the pressure during paint spraying.
In this embodiment, the paint inlet hole is located at the lower end, and the reflow hole is located at the upper end.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1, the inner cylinder 4 is fixedly connected with a rotating shaft 5, and two ends of the rotating shaft 5 respectively pass through the left sealing cover 22 and the right sealing cover 23 and respectively form rotary sealing fit with the two sealing covers.
In this embodiment, an oil seal is used between the rotating shaft 5 and the sealing cover, and the specific sealing mode belongs to a conventional technical means in the field, and will not be described here.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 2, the paint supply groove 41 is formed in a straight line along the longitudinal direction of the outer wall of the inner cylinder 4.
In this embodiment, the paint supply grooves 41 are uniformly distributed along the circumferential direction of the inner cylinder 4.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1, each air injection hole is arranged in a longitudinal straight line along the paint spraying area of the outer cylinder 2.
Specifically, as an alternative implementation manner in this embodiment, the device further includes a driving motor (not shown in the drawing), and the driving motor is in transmission connection with the rotating shaft 5, so as to drive the inner cylinder 4 to rotate.
In this embodiment, the driving motor is a motor capable of precisely adjusting the rotation speed, and paint can be precisely supplied during paint application.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. 1, the thickness of the cylinder 21 of the outer cylinder 2 is 5-10 mm;
the diameter of the inner cylinder 4 is 50-250 mm;
the width of the paint supply groove 41 is 1 to 10mm, and the depth is 10 to 30mm.
Specifically, as an alternative implementation manner in this embodiment, as shown in fig. X, the paint spraying hole 61 is connected to the paint spraying nozzle 62;
the aperture of the spray nozzle 62 is 0.2-1.5 mm. The most preferred range is 0.7-1.2 mm. Too small a pore size is easy to block, and too large a pore size affects the shape uniformity of the spray painting points. The arrangement interval of the spray nozzles 62 and the number of the spray nozzles 62 are determined according to the requirement. The number and arrangement of spray nozzles 62 does not greatly affect the coating effect.
In this embodiment, the paint spray nozzles 62 are multiple rows of needle tubes embedded under the fixed cylinder, and the part extending out of the outer cylinder 2 can be a cross section or a bevel section.
In the embodiment, the production adopts a reflux method, so that paint sedimentation and blockage can be avoided, and uneven and blockage accidents are reduced.
In this embodiment, the coating material may be various paints, water-based coating materials, or powder coating materials suspended in water. The powder coating is preferably ultrafine powder coating, and the finer the particle size, the less likely to be clogged, and the more the amount of reflux is required.
In this embodiment, the inner cylinder 4 and the outer cylinder 2 may be made of metal, plastic, or the like. Or metal and plastic matching.
When the cylindrical dot-shaped coating equipment is used for coating, the size and the number of dots of the coating are controlled by adjusting the pressure of the paint and the rotating speed of the inner cylinder 4. The greater the paint pressure, the faster the paint spray, the greater the dot; the slower the rotational speed of the rotary paint feed cylinder 4, the longer the time for which the paint feed slot 41 and the paint nozzle 62 match, the more paint is ejected. Meanwhile, the quick busy speed also determines the painting frequency, namely the number of points. The faster the turn, the more dots are ejected. Thus, by adjusting the motor speed and the paint pressure, the required size of the paint dot and the amount of paint can be obtained.
Example two
Providing a coating method, wherein the roller point-shaped coating equipment in the first embodiment is adopted;
paint is pumped into the paint supply chamber 31, the inner cylinder 4 is driven to rotate, and when the inner cylinder 4 rotates until the paint supply groove 41 communicates with the air ejection holes, paint in the paint supply chamber 31 is ejected from the respective paint spray nozzles 62 through the paint supply groove 41 to perform painting.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.

Claims (7)

1. A roller punctiform coating device is characterized by comprising
The outer cylinder is fixedly arranged, a paint spraying area is arranged on the outer cylinder, and a plurality of paint spraying holes are formed in the paint spraying area;
the inner cylinder is penetrated in the outer cylinder and is tightly attached to the inner wall of the outer cylinder, and two ends of the inner cylinder are respectively connected with the left end and the right end of the outer cylinder in a rotating way so that the inner cylinder is arranged in the outer cylinder in a rotating way;
a paint supply cavity is formed between one end of the inner cylinder and the inner wall of the outer cylinder, a paint return cavity is formed between the other end of the inner cylinder and the inner wall of the outer cylinder, at least one paint supply groove is formed in the outer wall of the inner cylinder, and two ends of the paint supply groove are respectively communicated with the paint supply cavity and the paint return cavity;
when the inner cylinder rotates to the state that the paint supply groove is communicated with the paint spraying holes, paint entering the paint supply cavity is sprayed out from each paint spraying hole through the paint supply groove, and redundant paint flows out from the paint returning cavity;
the paint supply groove is longitudinally and linearly formed along the outer wall of the inner cylinder;
each paint spraying hole is longitudinally and linearly arranged along the paint spraying area of the outer cylinder.
2. A roller spot-like coating apparatus according to claim 1, wherein,
the outer cylinder comprises
The device comprises a cylinder body, a left sealing cover and a right sealing cover, wherein the left sealing cover is arranged at the left end of the cylinder body, and the right sealing cover is arranged at the right end of the cylinder body;
a paint supply cavity is formed between the right sealing cover and the cylinder, and a paint inlet hole is formed in the right sealing cover;
and a paint return cavity is formed between the left sealing cover and the cylinder body, and a reflow hole is formed in the left sealing cover.
3. A roller spot-like coating apparatus according to claim 2, wherein,
the inner cylinder is fixedly connected with a rotating shaft, and two ends of the rotating shaft respectively penetrate through the left sealing cover and the right sealing cover and respectively form rotary sealing fit with the two sealing covers.
4. A roller spot-like coating apparatus according to claim 3, wherein,
the device also comprises a driving motor which is in transmission connection with the rotating shaft so as to drive the inner cylinder to rotate.
5. A roller spot-like coating apparatus according to claim 1, wherein,
the thickness of the outer cylinder body is 5-10 mm;
the diameter of the inner cylinder is 50-250 mm;
the width of the paint supply groove is 1-10 mm, and the depth is 10-30 mm.
6. A roller spot-like coating apparatus according to claim 1, wherein,
the paint spraying hole is connected with a paint spraying nozzle;
the aperture of the spray nozzle is 0.2-1.5 mm.
7. A coating method characterized in that a roller dot-like coating apparatus according to any one of claims 1 to 6 is employed;
the paint is pumped into the paint supply chamber, the inner cylinder is driven to rotate, and when the inner cylinder rotates to the state that the paint supply groove is communicated with the paint spraying holes, the paint in the paint supply chamber is sprayed out from each paint spraying nozzle through the paint supply groove so as to carry out coating.
CN202111624412.9A 2021-12-28 2021-12-28 Roller dot-like coating equipment and coating method Active CN114130579B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111624412.9A CN114130579B (en) 2021-12-28 2021-12-28 Roller dot-like coating equipment and coating method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111624412.9A CN114130579B (en) 2021-12-28 2021-12-28 Roller dot-like coating equipment and coating method

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Publication Number Publication Date
CN114130579A CN114130579A (en) 2022-03-04
CN114130579B true CN114130579B (en) 2023-12-12

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5444879A (en) * 1993-04-27 1995-08-29 B&S Plastics, Inc. Pulsating water injection system and valve for hydrotherapy spa with helical water distribution groove
CN105966042A (en) * 2016-06-12 2016-09-28 瑞安市奥雅服饰有限公司 Quantitative dot-type fabric gluing machine
KR20170069389A (en) * 2015-12-11 2017-06-21 경 곤 김 Paint spraying device of a traffic lane painting machine
CN110355027A (en) * 2019-08-17 2019-10-22 王浩宇 A kind of steel pipe's production processing rotary spraying equipment and its spraying method
CN212933079U (en) * 2020-09-22 2021-04-09 富通特种光缆(天津)有限公司 Reticular optical fiber ribbon dot-shaped coating device and reticular optical fiber ribbon manufacturing equipment
CN213051289U (en) * 2020-06-20 2021-04-27 安吉县慧峰医用敷料有限责任公司 Medical dressing point-like glue coating mechanism
CN216879958U (en) * 2021-12-28 2022-07-05 江苏变色龙微粉技术有限公司 Roller point-shaped coating equipment

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5444879A (en) * 1993-04-27 1995-08-29 B&S Plastics, Inc. Pulsating water injection system and valve for hydrotherapy spa with helical water distribution groove
KR20170069389A (en) * 2015-12-11 2017-06-21 경 곤 김 Paint spraying device of a traffic lane painting machine
CN105966042A (en) * 2016-06-12 2016-09-28 瑞安市奥雅服饰有限公司 Quantitative dot-type fabric gluing machine
CN110355027A (en) * 2019-08-17 2019-10-22 王浩宇 A kind of steel pipe's production processing rotary spraying equipment and its spraying method
CN213051289U (en) * 2020-06-20 2021-04-27 安吉县慧峰医用敷料有限责任公司 Medical dressing point-like glue coating mechanism
CN212933079U (en) * 2020-09-22 2021-04-09 富通特种光缆(天津)有限公司 Reticular optical fiber ribbon dot-shaped coating device and reticular optical fiber ribbon manufacturing equipment
CN216879958U (en) * 2021-12-28 2022-07-05 江苏变色龙微粉技术有限公司 Roller point-shaped coating equipment

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