CN117019558A - Coating die head gap measuring method and coating device - Google Patents
Coating die head gap measuring method and coating device Download PDFInfo
- Publication number
- CN117019558A CN117019558A CN202311025069.5A CN202311025069A CN117019558A CN 117019558 A CN117019558 A CN 117019558A CN 202311025069 A CN202311025069 A CN 202311025069A CN 117019558 A CN117019558 A CN 117019558A
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- displacement sensor
- coating
- coating die
- platform
- die head
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- 239000011248 coating agent Substances 0.000 title claims abstract description 241
- 238000000576 coating method Methods 0.000 title claims abstract description 241
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 157
- 238000000691 measurement method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 210000003128 head Anatomy 0.000 description 60
- 238000005259 measurement Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- 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
- B05C11/1015—Means 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
- B05C11/1018—Means 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 distance of target
-
- 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
Landscapes
- Coating Apparatus (AREA)
Abstract
The invention discloses a coating die gap measuring method, which comprises the following steps: fixing a first displacement sensor on a coating platform, fixing a second displacement sensor on a coating die, and fixing a top block on a frame; setting a precision block on the coating platform, enabling the first displacement sensor to strike the lower surface of the precision block, and then zeroing the value of the first displacement sensor; driving the coating die head to descend to be in contact with the first displacement sensor, and striking the second displacement sensor on the top block, wherein when the coating die head descends to the value of the first displacement sensor to be zero, the value of the second displacement sensor is also reset to zero; and the measured value between the second displacement sensor and the top block is the gap value between the coating die head and the coating platform. The invention also discloses a coating device. The invention adopts a non-direct contact mode, and has high precision.
Description
Technical Field
The invention relates to the field of coating, in particular to a coating die gap measuring method and a coating device.
Background
There are two ways of gap adjustment between the coating die and the coating platform of conventional coating equipment:
1. the coating die head is in full close contact with the coating platform, the corresponding measuring sensor value is reset to zero after the contact, the measuring sensor value of 0 represents that the coating die head is in contact with the coating platform, and then the change of the gap between the coating die head and the coating platform is fed back through the value of a sensor, for example, when the sensor value is changed to 1, the gap between the coating die head and the coating platform is 1.
2. The clearance between the coating die head and the coating platform is calibrated by using a standard measuring tool, for example, the size of the coating clearance required by coating work is 0.5mm, then a clearance between the coating die head and the coating platform is tightly plugged by using a clearance gauge with the thickness of 0.5mm, so that the clearance between the coating die head and the coating platform is represented as 0.5mm.
Both the above methods can obtain the required coating working gap, but the coating die head and the coating platform belong to high-precision components, and the long-term use of the direct contact measurement mode can cause damage to the coating die head and the coating platform and destroy the precision of the two. In addition, the contact between the coating die head and the coating platform, or the contact between the feeler gauge and the coating die head and the contact between the feeler gauge and the coating platform are judged through naked eye observation and operation hand feeling, and certain errors exist in the mode, so that inaccuracy occurs in the numerical value of the adjusting gap.
Disclosure of Invention
The invention provides a coating die head gap measuring method and a coating device, which aim to solve the technical problems that a gap between a coating die head and a layout platform in the prior art is measured by adopting a direct contact manner, so that the coating die head and the coating platform are damaged and the precision of the coating die head and the coating platform is damaged.
In order to solve the technical problems, the technical scheme adopted by the invention is to design a coating die gap measuring method, which comprises the following steps:
fixing a first displacement sensor on a coating platform, fixing a second displacement sensor on a coating die, fixing a top block on a frame, and enabling the top block to be positioned right below the second displacement sensor;
arranging a precision block on the coating platform, enabling the lower surface of the precision block to be positioned on a plane where the upper surface of the coating platform is positioned, enabling the first displacement sensor to be arranged on the lower surface of the precision block, and then zeroing the value of the first displacement sensor;
driving the coating die head to descend to be in contact with the first displacement sensor, and striking the second displacement sensor on the top block, wherein when the coating die head descends to the value of the first displacement sensor to be zero, the value of the second displacement sensor is also reset to zero; and the measured value between the second displacement sensor and the top block is the gap value between the coating die head and the coating platform.
The coating die gap measurement method further includes:
and adjusting the gap between the coating die head and the coating platform according to the measured value of the second displacement sensor.
The setting of the precise block on the coating platform comprises: placing a precision block on the coating platform and exposing a section outside the coating platform;
the first displacement sensor is arranged on the lower surface of a section of the precision block, which is exposed out of the coating platform;
the driving the coating die downward into contact with the first displacement sensor further comprises: and removing the precision block.
The method for manufacturing the precise block comprises the following steps of: and moving the coating platform back and forth to enable the first displacement sensor to be opposite to the coating die head.
The zeroing of the value of the second displacement sensor further comprises: retracting the first displacement sensor.
The first displacement sensor and the second displacement sensor are both contact type displacement sensors.
The coating platform is arranged on the machine table and can move back and forth relative to the machine table, the machine frame is arranged above the machine table, and the coating die head is arranged on the machine frame and can move up and down relative to the machine frame.
The invention also provides a coating device which comprises a machine table, a frame arranged above the machine table, a coating platform which is arranged on the machine table and can move back and forth relative to the machine table, a first driving device which is arranged on the machine table and drives the coating platform to move back and forth, a coating die head which is arranged on the machine table and can move up and down relative to the machine table, and a second driving device which is arranged on the machine table and drives the coating die head to move up and down, wherein the coating die head is arranged above the coating platform; the coating device further includes:
a first displacement sensor fixed to the coating platform;
a second displacement sensor fixed to the coating die;
the top block is fixed on the frame and is positioned right below the second displacement sensor;
contacting the first displacement sensor with a plane where the upper surface of the coating platform is located, and zeroing the value of the first displacement sensor; driving the coating die head to descend to be in contact with the first displacement sensor, and striking the second displacement sensor on the top block, wherein when the coating die head descends to the value of the first displacement sensor to be zero, the value of the second displacement sensor is also reset to zero; and the measured value between the second displacement sensor and the top block is the gap value between the coating die head and the coating platform.
The first displacement sensor and the second displacement sensor are both contact type displacement sensors.
The coating device further includes:
and the gap adjusting module is connected with the second displacement sensor, drives the coating die to move up and down according to the measured value of the second displacement sensor, and adjusts the gap between the coating die and the coating platform.
According to the invention, the first displacement sensor is arranged on the coating platform, the second displacement sensor is arranged on the coating die, the top block is arranged on the frame, and the top block is positioned right below the second displacement sensor. Setting a precision block on the coating platform, enabling the lower surface of the precision block to be located on the plane where the upper surface of the coating platform is located, enabling the first displacement sensor to be arranged on the lower surface of the precision block, and then zeroing the value of the first displacement sensor; driving the coating die head to descend to be in contact with the first displacement sensor, and striking the second displacement sensor on the top block, wherein when the coating die head descends to the value of the first displacement sensor to be zero, the value of the second displacement sensor is also reset to zero; and the measured value between the second displacement sensor and the top block is the gap value between the coating die head and the coating platform. Therefore, a direct contact measurement mode is not required to be used for a long time, the coating die head and the coating platform are not damaged, and the problem that the precision of the coating die head and the coating platform is damaged due to measurement is avoided.
And the gap between the coating die head and the coating platform can be automatically adjusted through the measured value of the second displacement sensor, in the gap adjusting process, the action is realized by a motor, no personnel manually operate the whole process, the operation error is avoided, the feedback of the gap value is realized by the second displacement sensor, the error observed by naked eyes is avoided, the gap adjusting accuracy is ensured through the closed-loop feedback of the second displacement sensor, and the error is accurately controlled at the micrometer level.
Drawings
The invention is described in detail below with reference to examples and figures, wherein:
FIG. 1 is a block diagram of a coating apparatus of the present invention;
FIG. 2 is a block diagram of another view of the coating apparatus of the present invention;
fig. 3 is a block diagram of another view of the coating apparatus of the present invention.
Detailed Description
Specific embodiments of the invention are further described below with reference to the accompanying drawings:
please refer to fig. 1 to 3. The coating die gap measuring method comprises the following steps:
the first step: the first displacement sensor 5 is fixed on the coating platform 3, the second displacement sensor 6 is fixed on the coating die head 4, the top block 7 is fixed on the frame 2, and the top block 7 is positioned right below the second displacement sensor 6.
And a second step of: and arranging a precision block on the coating platform 3, enabling the lower surface of the precision block to be positioned on a plane where the upper surface of the coating platform 3 is positioned, enabling the first displacement sensor 5 to strike on the lower surface of the precision block, and then zeroing the value of the first displacement sensor 5. At this time, the value "0" of the first displacement sensor represents the coating platform surface.
In this specific embodiment, before the precise block is set on the coating platform, the method further includes: the coating platform 3 is moved back and forth so that the first displacement sensor 5 faces the coating die 4. The first driving device drives the coating platform to move forwards and backwards, so that the first displacement sensor is opposite to the coating die head, and the subsequent measurement is convenient.
In this specific embodiment, the disposing the precision block on the coating platform includes: the precision block is placed on the coating platform and a section is exposed outside the coating platform.
The first displacement sensor is arranged on the lower surface of a section of the precision block, which is exposed out of the coating platform.
And a third step of: driving the coating die head 4 to descend to be in contact with the first displacement sensor 5, and simultaneously, striking the second displacement sensor 6 on the top block, and when the coating die head descends to the value of the first displacement sensor to be zero, resetting the value of the second displacement sensor to be zero; and the measured value between the second displacement sensor and the top block is the gap value between the coating die head and the coating platform.
The coating die is driven to move up and down by the second driving device, and when the coating die descends to the value of the first displacement sensor is zero, the contact between the coating die and the upper surface of the coating platform is represented.
The driving the coating die downward into contact with the first displacement sensor further comprises: and removing the precision block. And removing the precision block so that the subsequent coating die head descends to be contacted with the first displacement sensor.
Fourth step: and adjusting the gap between the coating die head and the coating platform according to the measured value of the second displacement sensor.
In this specific embodiment, after the zeroing the value of the second displacement sensor, the method further includes: the first displacement sensor is retracted.
In this embodiment, the first displacement sensor and the second displacement sensor are both contact displacement sensors.
In this embodiment, the coating platform is disposed on a machine table and is capable of moving back and forth relative to the machine table, the machine table is disposed above the machine table, and the coating die head is disposed on the machine table and is capable of moving up and down relative to the machine table.
According to the invention, the first displacement sensor is arranged on the coating platform, the second displacement sensor is arranged on the coating die, the top block is arranged on the frame, and the top block is positioned right below the second displacement sensor. Setting a precision block on the coating platform, enabling the lower surface of the precision block to be located on the plane where the upper surface of the coating platform is located, enabling the first displacement sensor to be arranged on the lower surface of the precision block, and then zeroing the value of the first displacement sensor; driving the coating die head to descend to be in contact with the first displacement sensor, and striking the second displacement sensor on the top block, wherein when the coating die head descends to the value of the first displacement sensor to be zero, the value of the second displacement sensor is also reset to zero; and the measured value between the second displacement sensor and the top block is the gap value between the coating die head and the coating platform. Subsequent gap adjustment value feedback is given to the second displacement sensor, and gap value feedback between the coating die and the coating platform is completed by the second displacement sensor no matter where the coating platform moves. Therefore, a direct contact measurement mode is not required to be used for a long time, the coating die head and the coating platform are not damaged, and the problem that the precision of the coating die head and the coating platform is damaged due to measurement is avoided.
And the gap between the coating die head and the coating platform can be automatically adjusted through the measured value of the second displacement sensor, in the gap adjusting process, the action is realized by a motor, no personnel manually operate the whole process, the operation error is avoided, the feedback of the gap value is realized by the second displacement sensor, the error observed by naked eyes is avoided, the gap adjusting accuracy is ensured through the closed-loop feedback of the second displacement sensor, and the error is accurately controlled at the micrometer level.
The coating device comprises a machine table 1, a machine frame 2, a coating platform 3, a coating die head 4, a first displacement sensor 5, a second displacement sensor 6 and a top block 7. Wherein:
the frame 2 is arranged above the machine table.
The coating platform 3 is arranged on the machine table and can move back and forth relative to the machine table.
The first driving device is arranged on the machine table and drives the coating platform to move back and forth.
The coating die head 4 is arranged on the frame and can move up and down relative to the frame. The coating die head is positioned above the coating platform. Both the coating platform and the coating die head can be driven by a motor to realize movement.
The second driving device 40 is disposed on the frame, and drives the coating die to move up and down. The first driving device and the second driving device can be realized by common driving mechanisms such as a guide rail, a motor and the like.
The first displacement sensor 5 is fixed to the coating platform. In this embodiment, the first displacement sensor is fixed to the side of the coating platform.
The second displacement sensor 6 is fixed to the coating die. In this particular embodiment, the second displacement sensor is affixed to the side of the coating die.
In this embodiment, the first displacement sensor and the second displacement sensor are both contact displacement sensors.
The top block 7 is fixed on the frame and is positioned right below the second displacement sensor.
Contacting the first displacement sensor with a plane where the upper surface of the coating platform is located, and zeroing the value of the first displacement sensor; driving the coating die head to descend to be in contact with the first displacement sensor, and striking the second displacement sensor on the top block, wherein when the coating die head descends to the value of the first displacement sensor to be zero, the value of the second displacement sensor is also reset to zero; and the measured value between the second displacement sensor and the top block is the gap value between the coating die head and the coating platform.
In this embodiment, a precision block is disposed on the coating platform 3, such that the lower surface of the precision block is located in a plane where the upper surface of the coating platform 3 is located, and the first displacement sensor 5 is mounted on the lower surface of the precision block.
In this embodiment, the coating device further includes a gap adjustment module, which is connected to the second displacement sensor, and drives the coating die to move up and down according to the measured value of the second displacement sensor, so as to adjust the gap between the coating die and the coating platform.
And the measured value between the second displacement sensor and the top block is the value of the gap between the coating die head and the coating platform. Subsequent gap adjustment value feedback is given to the second displacement sensor, and gap value feedback between the coating die and the coating platform is completed by the second displacement sensor no matter where the coating platform moves. Therefore, a direct contact measurement mode is not required to be used for a long time, the coating die head and the coating platform are not damaged, and the problem that the precision of the coating die head and the coating platform is damaged due to measurement is avoided.
And the gap between the coating die head and the coating platform can be automatically adjusted through the measured value of the second displacement sensor, in the gap adjusting process, the action is realized by a motor, no personnel manually operate the whole process, the operation error is avoided, the feedback of the gap value is realized by the second displacement sensor, the error observed by naked eyes is avoided, the gap adjusting accuracy is ensured through the closed-loop feedback of the second displacement sensor, and the error is accurately controlled at the micrometer level.
According to the invention, through a measurement mode of combining the first displacement sensor and the second displacement sensor, any form of contact between the coating die head and the coating platform is avoided, damage is avoided, and the gap adjustment accuracy is ensured and the error is accurately controlled at the micron level through closed-loop feedback of the second displacement sensor.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. A coating die gap measurement method characterized by comprising:
fixing a first displacement sensor on a coating platform, fixing a second displacement sensor on a coating die, fixing a top block on a frame, and enabling the top block to be positioned right below the second displacement sensor;
arranging a precision block on the coating platform, enabling the lower surface of the precision block to be positioned on a plane where the upper surface of the coating platform is positioned, enabling the first displacement sensor to be arranged on the lower surface of the precision block, and then zeroing the value of the first displacement sensor;
driving the coating die head to descend to be in contact with the first displacement sensor, and striking the second displacement sensor on the top block, wherein when the coating die head descends to the value of the first displacement sensor to be zero, the value of the second displacement sensor is also reset to zero; and the measured value between the second displacement sensor and the top block is the gap value between the coating die head and the coating platform.
2. The coating die gap measurement method according to claim 1, characterized in that: the coating die gap measurement method further includes:
and adjusting the gap between the coating die head and the coating platform according to the measured value of the second displacement sensor.
3. The coating die gap measurement method according to claim 1, characterized in that: the setting of the precise block on the coating platform comprises: placing a precision block on the coating platform and exposing a section outside the coating platform;
the first displacement sensor is arranged on the lower surface of a section of the precision block, which is exposed out of the coating platform;
the driving the coating die downward into contact with the first displacement sensor further comprises: and removing the precision block.
4. A coating die gap measurement method according to claim 3, characterized in that: the method for manufacturing the precise block comprises the following steps of: and moving the coating platform back and forth to enable the first displacement sensor to be opposite to the coating die head.
5. The coating die gap measurement method according to claim 4, wherein: the zeroing of the value of the second displacement sensor further comprises: retracting the first displacement sensor.
6. The coating die gap measurement method according to claim 1, characterized in that: the first displacement sensor and the second displacement sensor are both contact type displacement sensors.
7. The coating die gap measurement method according to claim 1, characterized in that: the coating platform is arranged on the machine table and can move back and forth relative to the machine table, the machine frame is arranged above the machine table, and the coating die head is arranged on the machine frame and can move up and down relative to the machine frame.
8. The coating device comprises a machine table, a frame arranged above the machine table, a coating platform which is arranged on the machine table and can move back and forth relative to the machine table, a first driving device which is arranged on the machine table and drives the coating platform to move back and forth, a coating die head which is arranged on the frame and can move up and down relative to the frame, and a second driving device which is arranged on the frame and drives the coating die head to move up and down, wherein the coating die head is arranged above the coating platform; the method is characterized in that: the coating device further includes:
a first displacement sensor fixed to the coating platform;
a second displacement sensor fixed to the coating die;
the top block is fixed on the frame and is positioned right below the second displacement sensor;
contacting the first displacement sensor with a plane where the upper surface of the coating platform is located, and zeroing the value of the first displacement sensor; driving the coating die head to descend to be in contact with the first displacement sensor, and striking the second displacement sensor on the top block, wherein when the coating die head descends to the value of the first displacement sensor to be zero, the value of the second displacement sensor is also reset to zero; and the measured value between the second displacement sensor and the top block is the gap value between the coating die head and the coating platform.
9. The coating apparatus of claim 8, wherein: the first displacement sensor and the second displacement sensor are both contact type displacement sensors.
10. The coating apparatus according to claim 9, wherein: the coating device further includes:
and the gap adjusting module is connected with the second displacement sensor, drives the coating die to move up and down according to the measured value of the second displacement sensor, and adjusts the gap between the coating die and the coating platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311025069.5A CN117019558A (en) | 2023-08-14 | 2023-08-14 | Coating die head gap measuring method and coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311025069.5A CN117019558A (en) | 2023-08-14 | 2023-08-14 | Coating die head gap measuring method and coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117019558A true CN117019558A (en) | 2023-11-10 |
Family
ID=88644442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311025069.5A Pending CN117019558A (en) | 2023-08-14 | 2023-08-14 | Coating die head gap measuring method and coating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117019558A (en) |
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2023
- 2023-08-14 CN CN202311025069.5A patent/CN117019558A/en active Pending
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