CN114130583B - Hole slot spraying device - Google Patents

Hole slot spraying device Download PDF

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Publication number
CN114130583B
CN114130583B CN202111296778.8A CN202111296778A CN114130583B CN 114130583 B CN114130583 B CN 114130583B CN 202111296778 A CN202111296778 A CN 202111296778A CN 114130583 B CN114130583 B CN 114130583B
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China
Prior art keywords
striker
slide rail
channel
direction slide
spraying
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CN202111296778.8A
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Chinese (zh)
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CN114130583A (en
Inventor
于洪涛
汪洪亮
张路兵
张泉旺
佃奕群
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Audiowell Electronics Guangdong Co ltd
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Audiowell Electronics Guangdong Co ltd
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Priority to CN202111296778.8A priority Critical patent/CN114130583B/en
Publication of CN114130583A publication Critical patent/CN114130583A/en
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Publication of CN114130583B publication Critical patent/CN114130583B/en
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    • 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
    • B05B13/06Machines 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 specially designed for treating the inside of hollow bodies
    • B05B13/0627Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/68Arrangements for adjusting the position of spray heads

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Abstract

The invention relates to the technical field of spraying, and discloses a hole slot spraying device which is used for spraying a hole slot on a ceramic dielectric filter and comprises a base body with a Y-direction slide rail, a first platform which is arranged in the Y-direction slide rail in a sliding way and is provided with an X-direction slide rail, a second platform which is arranged on the Y-direction slide rail in a sliding way and is provided with a Z-direction slide rail, and a spray gun assembly which is arranged on the Z-direction slide rail in a sliding way; the X-direction slide rail, the Y-direction slide rail and the Z-direction slide rail are mutually vertical. According to the invention, the position of the spray gun assembly is adjusted through the automatic actions of the base body, the first platform and the second platform, so that the spraying work can be automatically completed, the production efficiency is high, and the spraying quality can be ensured.

Description

Hole slot spraying device
Technical Field
The invention relates to the technical field of spraying, in particular to a hole and groove spraying device.
Background
The ceramic dielectric filter is a core component in 5G communication, and compared with other types of filters, the ceramic dielectric filter has the advantages of high inductance Q value, low loss and the like, and also has the requirements of low weight and small volume.
The ceramic dielectric filter is provided with a hole groove, and the hole groove needs to be sprayed in the production process.
In the prior art, the inner wall of the pore groove is generally sprayed in a mode of manually operating a spray gun, the production efficiency is low, and the spraying quality cannot be guaranteed.
Disclosure of Invention
The purpose of the invention is: the hole and groove spraying device can automatically spray the inner wall of the hole and groove, is high in production efficiency and can ensure spraying quality.
In order to achieve the above object, the present invention provides a hole slot spraying device for spraying a hole slot on a ceramic dielectric filter, comprising a base having a Y-directional slide rail, a first platform slidably disposed in the Y-directional slide rail and having an X-directional slide rail, a second platform slidably disposed on the Y-directional slide rail and having a Z-directional slide rail, and a spray gun assembly slidably disposed on the Z-directional slide rail; the X-direction slide rail, the Y-direction slide rail and the Z-direction slide rail are mutually vertical.
Further, the spray gun assembly includes a base and a nozzle; a preset cavity is arranged in the base, and a spraying channel communicated into the preset cavity is arranged in the nozzle; the base is internally provided with a gas passage which is communicated with the preset chamber and is used for the atomization gas to enter the preset chamber, and a material passage which is communicated with the preset chamber and is used for the spraying slurry to enter the preset chamber.
Further, the spray gun assembly further comprises a striker and a drive module for driving the striker to translate and switch between a first position and a second position; when the striker is in the first position, the striker isolates the spray channel from the predetermined compartment; when the striker is in the second position, the spray passage is in communication with the predetermined compartment.
Furthermore, a sliding channel is arranged in the preset chamber, the sliding channel and the spraying channel are both in a straight line, and the sliding channel and the spraying channel are in the same straight line; the striker is arranged in the sliding channel in a sliding mode, the first position and the second position are respectively located on the sliding channel, and when the striker is located at the first position, the striker closes an inlet of the spraying channel; when the striker is in the second position, a space is formed between the striker and the entrance of the spray channel; the gas channel is arranged on one side of the sliding channel, and the material channel is arranged on the other side of the sliding channel.
Further, the driving module comprises a force application unit, a limiting unit and a reset unit; the biasing unit is configured to apply a first biasing force to the striker to slide from the second position to the first position; the reset unit is capable of applying a second force to the striker to slide from the first position to the second position; the stopper unit can hold the striker at the second position.
Further, the force application unit is a motor, and the reset unit is a spring; setting the sliding direction of the striker from the second position to the first position as a predetermined direction; the striker is provided with a protruding block, the limiting unit is a limiting block, and when the striker is at the second position, the limiting block is in the preset direction of the protruding block and abuts against the protruding block.
Further, the spray gun assembly includes a reservoir tank for storing the spray slurry.
Further, the seat body comprises a first frame body and a second frame body; the number of the Y-direction slide rails is two, and the two Y-direction slide rails are respectively arranged on the first frame body and the second frame body; the second platforms are respectively arranged in the two Y-direction sliding rails in a sliding mode.
Further, the number of the spray gun assemblies is two; the two spray gun assemblies are arranged at intervals in the X direction.
Further, the spray gun assembly includes a nozzle and an angle adjustment module for adjusting an orientation of the nozzle.
Compared with the prior art, the hole and groove spraying device provided by the embodiment of the invention has the beneficial effects that:
when the hole-groove spraying device provided by the embodiment of the invention is used, a workpiece, namely a ceramic dielectric filter, is conveyed to a specified position, the seat body, the first platform and the second platform respectively adjust the relative positions through the Y-direction slide rail, the second slide rail and the third slide rail, so that the spray gun assembly is aligned to the hole groove of the workpiece, the spray gun assembly works to spray the inner wall of the hole groove, and after the spraying is finished, the relative positions among the seat body, the first platform and the second platform are adjusted through the Y-direction slide rail, the second slide rail and the third slide rail, so that the spraying is finished. According to the invention, the position of the spray gun assembly is adjusted through the automatic actions of the base body, the first platform and the second platform, so that the spraying work can be automatically completed, the production efficiency is high, and the spraying quality can be ensured.
Drawings
Fig. 1 is an overall configuration diagram of a hole-and-groove coating apparatus according to an embodiment of the present invention.
Fig. 2 is a view showing the internal structure of a spray gun assembly of the orifice-slot coating apparatus according to the embodiment of the present invention.
In the figure, 1, a seat body; 11. a Y-direction slide rail; 12. a first frame body; 13. a second frame body;
2. a first platform; 21. an X-direction slide rail;
3. a second platform; 31. a Z-direction slide rail;
4. a spray gun assembly; 41. a base; 42. a nozzle; 43. a predetermined chamber; 44. a spraying channel; 45. a gas channel; 46. a material channel; 47. a striker; 48. a drive module; 481. a force application unit; 482. a limiting unit; 483. a reset unit;
5. and (7) storing the tank.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 and fig. 2, a hole slot spraying apparatus according to a preferred embodiment of the present invention is used for spraying a hole slot on a ceramic dielectric filter, and includes a base 1 having a Y-directional slide rail 11, a first platform 2 slidably disposed in the Y-directional slide rail 11 and having an X-directional slide rail 21, a second platform 3 slidably disposed on the Y-directional slide rail 11 and having a Z-directional slide rail 31, and a spray gun assembly 4 slidably disposed on the Z-directional slide rail 31; the X-direction slide rail 21, the Y-direction slide rail 11 and the Z-direction slide rail 31 are perpendicular to each other.
When the ceramic dielectric filter spraying device is used, a workpiece, namely a ceramic dielectric filter, is conveyed to a specified position, the seat body 1, the first platform 2 and the second platform 3 adjust the relative positions through the Y-direction slide rail, the second slide rail and the third slide rail respectively, so that the spray gun assembly 4 is aligned to a hole groove of the workpiece, the spray gun assembly 4 works to spray the inner wall of the hole groove, and after the spraying is finished, the relative positions among the seat body 1, the first platform 2 and the second platform 3 are adjusted through the Y-direction slide rail, the second slide rail and the third slide rail again, so that the spraying is finished.
In this embodiment, the position of the spray gun assembly 4 is adjusted by the automatic actions of the seat body 1, the first platform 2 and the second platform 3, so that the spraying work can be automatically completed, the production efficiency is high, and the spraying quality can be ensured.
Further, in one embodiment, referring to fig. 1-2, the spray gun assembly 4 includes a base 41 and a nozzle 42; a preset cavity 43 is arranged in the base 41, and a spraying channel 44 communicated to the preset cavity 43 is arranged in the nozzle 42; the base 41 is further provided therein with a gas passage 45 communicating with the predetermined chamber 43 and supplying an atomizing gas into the predetermined chamber 43, and a material passage 46 communicating with the predetermined chamber 43 and supplying a spraying slurry into the predetermined chamber 43.
In this embodiment, during spraying, the slurry enters the predetermined chamber 43 from the material passage 46 and further enters the spraying passage 44, and similarly, the atomizing gas enters the predetermined chamber 43 from the gas passage 45 and further enters the spraying passage 44; finally, the slurry and the atomizing gas are sprayed together from the outlet of the spraying passage 44 to spray the inner wall of the orifice groove.
Further, in one embodiment, referring to fig. 1-2, the spray gun assembly 4 further includes a striker 47 and a drive module 48 for driving the striker 47 to translate between a first position and a second position; when the striker 47 is in the first position, the striker 47 isolates the spray passage 44 from the predetermined compartment 43; when the striker 47 is in the second position, the spray passage 44 communicates with the predetermined compartment 43.
In the present embodiment, the spray passage 44 is opened and closed by providing the striker 47, the striker 47 is driven to the first position to avoid leakage of the slurry and the atomizing gas when spraying is not required, and the striker 47 is switched to the second position to open the spray passage 44 when spraying is required.
Further, in one embodiment, referring to fig. 1 to 2, a sliding channel is disposed in the predetermined chamber 43, the sliding channel and the spraying channel 44 are both in a straight line, and the sliding channel and the spraying channel 44 are in the same straight line; the striker 47 is slidably disposed in the sliding channel, the first position and the second position are respectively located on the sliding channel, and when the striker 47 is located in the first position, the striker 47 closes the entrance of the spraying channel 44; when the striker 47 is in the second position, a space is formed between the striker 47 and the entrance of the spray channel 44; the striker 47 is slidably disposed in the slide channel, and the first position and the second position are respectively located on the slide channel.
In the present embodiment, the spray channel 44 and the slide channel are respectively configured as linear channels, so that the striker 47 only needs to move a short distance from the first position to reach the second position, i.e., the stroke of the striker 47 is reduced, thereby reducing the requirement for the driving module 48 of the striker 47.
Further, in one embodiment, referring to fig. 1 to 2, the driving module 48 includes a force applying unit 481, a limiting unit 482 and a resetting unit 483; the urging unit 481 is capable of applying a first urging force to the striker 47 to slide from the second position to the first position; the reset unit 483 is capable of applying a second force to the striker 47 to slide from the first position to the second position; the stopper unit 482 can hold the striker 47 at the second position.
In the present embodiment, a configuration of the driving module 48 is provided, in which the striker 47 is kept at the second position by the limiting unit 482, so as to prevent the striker 47 from sliding to the first position due to inertia to accidentally close the spray passage 44 when the second platform 3 moves in the Z direction.
Further, in one embodiment, referring to fig. 1 to 2, the force applying unit 481 is a motor, and the reset unit 483 is a spring; the direction in which the striker 47 slides from the second position to the first position is set to a predetermined direction; the striker 47 is provided with a protruding block, and the stopper unit 482 is a stopper that abuts against the protruding block in a predetermined direction of the protruding block when the striker 47 is in the second position.
In this embodiment, the driving module 48 is embodied, the striker 47 is driven from the second position to the first position by the motor, the striker 47 is reset from the first position to the second position by the reset spring, and the striker 47 can be fixed at the second position by the cooperation of the stopper and the protrusion.
Preferably, the limiting block is arranged to be retractable, when the limiting block is located at the extending position, the limiting block is located on the sliding path of the protruding block, and when the limiting block is located at the contracting position, the limiting block is separated from the sliding path of the protruding block, so that the limiting block is prevented from blocking the striker 47 from retracting from the first position to the second position.
Further, in one embodiment, referring to fig. 1-2, the spray gun assembly 4 includes a holding tank 5 for storing a spray slurry to facilitate spraying.
Further, in an embodiment, referring to fig. 1 to 2, the base 1 includes a first frame 12 and a second frame 13; the number of the Y-direction slide rails 11 is two, and the two Y-direction slide rails are respectively arranged on the first frame body 12 and the second frame body 13; the second platforms 3 are respectively arranged in the two Y-direction sliding rails in a sliding manner, so that the first platform 2 can slide stably.
Further, in one embodiment, referring to fig. 1-2, the number of the lance assemblies 4 is two; the two spray gun assemblies 4 are arranged at intervals in the X direction so as to spray holes and grooves in different positions of a workpiece.
Further, in one embodiment, referring to fig. 1-2, the spray gun assembly 4 includes a nozzle 42 and an angle adjustment module for adjusting the orientation of the nozzle 42 to fine tune the relative position between the nozzle 42 and the bore for better spray application. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (7)

1. A hole slot spraying device is used for spraying a hole slot on a ceramic dielectric filter and is characterized by comprising a base body with a Y-direction slide rail, a first platform which is arranged in the Y-direction slide rail in a sliding way and is provided with an X-direction slide rail, a second platform which is arranged on the Y-direction slide rail in a sliding way and is provided with a Z-direction slide rail, and a spray gun assembly which is arranged on the Z-direction slide rail in a sliding way; the spray gun assembly comprises a base and a nozzle;
the X-direction slide rail, the Y-direction slide rail and the Z-direction slide rail are mutually vertical; a preset cavity is arranged in the base, and a spraying channel communicated into the preset cavity is arranged in the nozzle;
a gas channel which is communicated with the preset cavity and is used for atomizing gas to enter the preset cavity and a material channel which is communicated with the preset cavity and is used for spraying slurry to enter the preset cavity are also arranged in the base;
the spray gun assembly further comprises a firing pin and a drive module that drives the firing pin to translate and switch between a first position and a second position;
when the striker is in the first position, the striker isolates the spray channel from the predetermined compartment; when the striker is in the second position, the spray passage is in communication with the predetermined compartment; a sliding channel is arranged in the preset cavity, the sliding channel and the spraying channel are both in a straight line, and the sliding channel and the spraying channel are in the same straight line;
the striker is arranged in the sliding channel in a sliding mode, the first position and the second position are respectively located on the sliding channel, and when the striker is located at the first position, the striker closes an inlet of the spraying channel; when the striker is in the second position, a space is formed between the striker and the entrance of the spray channel;
the gas channel is arranged on one side of the sliding channel, and the material channel is arranged on the other side of the sliding channel.
2. The orifice-slot spray coating apparatus of claim 1, wherein the driving module comprises a force application unit, a limiting unit, and a reset unit;
the urging unit is capable of applying a first urging force to the striker that slides from the second position to the first position;
the reset unit is capable of applying a second urging force to the striker that slides from the first position to the second position;
the stopper unit can hold the striker at the second position.
3. The orifice-slot coating apparatus of claim 2, wherein the force application unit is a motor and the return unit is a spring;
setting a direction in which the striker slides from the second position to the first position as a predetermined direction;
the striker is provided with a protruding block, the limiting unit is a limiting block, and when the striker is at the second position, the limiting block is in the preset direction of the protruding block and abuts against the protruding block.
4. The orifice-slot spray apparatus of claim 1, wherein said spray gun assembly includes a reservoir tank for storing a spray slurry.
5. A slot coating apparatus as claimed in claim 1, wherein said housing comprises a first housing and a second housing;
the number of the Y-direction slide rails is two, and the two Y-direction slide rails are respectively arranged on the first frame body and the second frame body;
the second platforms are respectively arranged in the two Y-direction sliding rails in a sliding manner.
6. The orifice slot coating apparatus of claim 1 wherein the number of spray gun assemblies is two;
the two spray gun assemblies are arranged at intervals in the X direction.
7. The orifice trough spray coating device of claim 1 wherein the spray gun assembly comprises a spray nozzle and an angle adjustment module for adjusting the orientation of the spray nozzle.
CN202111296778.8A 2021-11-03 2021-11-03 Hole slot spraying device Active CN114130583B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111296778.8A CN114130583B (en) 2021-11-03 2021-11-03 Hole slot spraying device

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Application Number Priority Date Filing Date Title
CN202111296778.8A CN114130583B (en) 2021-11-03 2021-11-03 Hole slot spraying device

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CN114130583A CN114130583A (en) 2022-03-04
CN114130583B true CN114130583B (en) 2022-12-30

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Publication number Priority date Publication date Assignee Title
CN114700190B (en) * 2022-03-11 2022-12-30 东莞烨嘉电子科技有限公司 Oil injection equipment for plastic shell

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124914A (en) * 2019-06-06 2019-08-16 盐城东方天成机械有限公司 A kind of comprehensive pipe inner-wall spraying method and spraying equipment
CN111940164A (en) * 2020-08-20 2020-11-17 广东博智林机器人有限公司 Automatic spray gun, spraying equipment and spraying control method of spraying equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8628629B2 (en) * 2010-11-02 2014-01-14 Terydon, Inc. Method and apparatus for cleaning elongated tubes
CN208230223U (en) * 2018-03-15 2018-12-14 深圳市世宗自动化设备有限公司 pneumatic injection glue dispensing valve
CN108525949A (en) * 2018-06-14 2018-09-14 深圳市荣利自动化科技有限公司 A kind of fluorescent powder jet printing machine
CN110180719A (en) * 2019-05-07 2019-08-30 陕西昕宇表面工程有限公司 A kind of automatic spray apparatus of tubbiness workpiece lumen
CN113262943A (en) * 2021-05-25 2021-08-17 延锋伟世通汽车电子有限公司 Automatic coating device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124914A (en) * 2019-06-06 2019-08-16 盐城东方天成机械有限公司 A kind of comprehensive pipe inner-wall spraying method and spraying equipment
CN111940164A (en) * 2020-08-20 2020-11-17 广东博智林机器人有限公司 Automatic spray gun, spraying equipment and spraying control method of spraying equipment

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