CN113369074B - Hole sealing treatment device and method for part coating and part with part coating - Google Patents
Hole sealing treatment device and method for part coating and part with part coating Download PDFInfo
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- CN113369074B CN113369074B CN202110643114.8A CN202110643114A CN113369074B CN 113369074 B CN113369074 B CN 113369074B CN 202110643114 A CN202110643114 A CN 202110643114A CN 113369074 B CN113369074 B CN 113369074B
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- coating
- hole sealing
- sealing agent
- sealing treatment
- shaft
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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
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
Abstract
The disclosure provides a hole sealing treatment device and method for a part coating, and a part with the part coating, which is subjected to hole sealing treatment by adopting the hole sealing treatment method. The hole sealing treatment device comprises: an atomization module configured to provide a pore sealing agent in an atomized state; and a coating module comprising a first coating tool configured to receive the sealant in an atomized state and transfer the sealant to a surface of the part coating. The hole sealing treatment method comprises the following steps: providing a hole sealing agent at a preset flow rate and enabling the hole sealing agent to reach an atomization state; and receiving the sealant in an atomized state with a first coating tool and transferring the sealant to the surface of the part coating. The hole sealing treatment device and method for the part coating are beneficial to improving the hole sealing quality and hole sealing efficiency of the part coating.
Description
Technical Field
The disclosure relates to material surface treatment technology, in particular to a hole sealing treatment device and method for part coating, and a shaft part subjected to hole sealing treatment by adopting the hole sealing treatment method.
Background
The thermal spraying technology adopts high-temperature flame, electric arc, plasma and the like as heat sources to heat and accelerate material particles of spraying powder or spraying wires, then the material particles strike the surface of a part matrix at a high speed and deposit to form a part coating with specific performance, thereby realizing the protection of the part matrix material. Because the internal bonding mode of the part coating is mainly mechanical bonding, the part coating obtained by the thermal spraying technology can have excellent comprehensive performances of corrosion resistance, abrasion resistance, high temperature resistance and the like, and can be widely applied to different industries.
In the thermal spraying process, since the part coating is formed by numerous material particles through heating, accelerating, impacting, depositing, etc., inherent voids exist within the part coating. For severe service environments, such as the piston rod of hydraulic cylinders for marine equipment, the piston rod needs to bear high salt and high Cl in seawater and marine atmosphere environments - Is a strong corrosive action of paper machineThe roller needs to bear the strong corrosion action of corrosive media such as ink solvents, and the like, and the corrosive media in the severe environment can permeate into the surface of the part matrix through inherent pores in the part coating, and perform electrochemical reaction or chemical reaction with the matrix material, so that the part matrix is corroded.
Aiming at the problems, hole sealing agent is generally adopted to seal the part coating at present so as to reduce the porosity inside the part coating, promote the compactness of the part coating and further effectively prevent corrosive medium in a severe environment from penetrating into the base material through the pores of the part coating. The hole sealing agent of the common part coating generally has the characteristics of chemical corrosion resistance, high permeability, higher fluidity and the like.
Disclosure of Invention
The application aims to provide a hole sealing treatment method and device for a shaft part coating, so as to improve the hole sealing quality and hole sealing efficiency of the shaft part coating.
A first aspect of the present disclosure provides a hole sealing treatment device for a part coating, including:
an atomization module configured to provide a pore sealing agent in an atomized state; and
a coating module includes a first coating tool configured to receive the sealer in an atomized state and transfer the sealer to a surface of the part coating.
According to some embodiments of the present disclosure, the coating module further comprises a second coating tool configured to apply pressure to the sealer transferred to the surface of the part coating.
In accordance with some embodiments of the present disclosure,
the first coating tool comprises a roller brush; and/or
The second coating tool comprises a scrubber.
According to some embodiments of the present disclosure, the coating module further includes a first driving part in driving connection with the roll brush, the first driving part being configured to drive the roll brush to rotate.
According to some embodiments of the disclosure, the hole sealing treatment device further comprises a mount, the first coating tool being slidably disposed relative to the mount, the coating module further comprising a second drive portion drivingly connected to the first coating tool, the second drive portion configured to drive the first coating tool to slide relative to the mount.
According to some embodiments of the present disclosure, the pore sealing treatment apparatus further comprises a mounting seat, wherein,
the mounting position of the atomizing module is adjustably arranged on the mounting seat; and/or
The first coating tool mounting position is adjustably disposed on the mounting base.
According to some embodiments of the disclosure, the hole sealing treatment device further comprises a mounting seat, and the second coating tool mounting position is adjustably disposed on the mounting seat.
According to some embodiments of the disclosure, the atomization module comprises:
a first conveying section configured to supply the hole sealing agent;
a second delivery section configured to provide compressed gas; and
and the atomization part is connected with the first conveying part and the second conveying part and is configured to enable the hole sealing agent to reach an atomization state under the action of the compressed gas and provide the hole sealing agent in the atomization state for the first coating tool.
According to some embodiments of the present disclosure, the hole sealing treatment apparatus further includes a control module in signal connection with the atomizing module and the coating module, configured to control whether the atomizing module and/or the coating module perform a hole sealing treatment action, and perform a hole sealing treatment action according to a process parameter matching a part in which the part coating is subjected to the hole sealing treatment, the hole sealing treatment action including at least one of providing the hole sealing agent and transferring the hole sealing agent.
According to some embodiments of the disclosure, the pore sealing treatment device further comprises a feeding module in driving connection with the atomizing module and the coating module, configured to drive the atomizing module and the coating module to feed in at least one direction.
A second aspect of the present disclosure provides a hole sealing treatment method for a part coating, including:
providing a hole sealing agent at a preset flow rate and enabling the hole sealing agent to reach an atomization state; and
and receiving the hole sealing agent in an atomized state by using a first coating tool and transferring the hole sealing agent to the surface of the part coating.
According to some embodiments of the disclosure, the hole sealing treatment method further comprises: applying pressure to the sealer transferred to the surface of the part coating using a second coating tool.
According to some embodiments of the present disclosure, the first coating tool comprises a roller brush, the second coating tool comprises a scrubber, wherein,
receiving the sealer in an atomized state and transferring the sealer to the coating surface using a first coating tool comprises: spraying the hole sealing agent in the atomized state onto the rolling brush, and rolling-coating the hole sealing agent onto the surface of the coating by adopting the rolling brush; and/or
Applying pressure to the sealer transferred to the coating surface using a second coating tool includes: brushing the hole sealing agent on the surface of the coating by adopting the scrubbing brush.
According to some embodiments of the present disclosure, the part coating is a part coating of a shaft-like part, the first coating tool comprises a roll brush, the second coating tool comprises a scrubber, and the hole sealing treatment method comprises:
driving the shaft part to rotate at a first preset rotating speed;
driving the rolling brush to rotate at a second preset rotating speed;
and driving the rolling brush and the scrubbing brush to axially feed relative to the shaft part at a preset feeding speed.
According to some embodiments of the disclosure, the pore sealing treatment method includes:
determining the first preset rotating speed according to the porosity of the surface of the shaft part, the type of the hole sealing agent and the size of the shaft part; and
and determining the second preset rotating speed according to the first preset rotating speed.
According to some embodiments of the disclosure, the ratio of the second preset rotational speed to the first preset rotational speed is 5 to 10.
According to some embodiments of the disclosure, the pore sealing treatment method includes:
determining the linear speed of the shaft part when the shaft part is subjected to hole sealing treatment according to the porosity of the surface of the shaft part, the type of the hole sealing agent and the size of the shaft part; and
and determining the preset feeding speed according to the size of the second coating tool, the lap joint rate of the hole sealing agent and the linear speed of the shaft part when the hole sealing treatment is carried out.
According to some embodiments of the disclosure, the pore sealing treatment method includes:
the height of the rolling brush and/or the shaft part is/are adjusted so that the height of the rotation axis of the rolling brush is lower than the height of the axis of the shaft part; and/or
And adjusting the height of the scrubbing brush and/or the shaft part so that the height of the scrubbing brush is lower than the height of the axis of the shaft part.
According to some embodiments of the disclosure, the pore sealing treatment method includes: the part coating is of a shaft part and drives the first coating tool to reciprocate relative to the axial direction of the shaft part.
According to some embodiments of the present disclosure, providing and atomizing a pore sealing agent at a preset flow rate includes:
providing the hole sealing agent at the preset flow rate, and providing compressed gas at a preset pressure; and
and enabling the hole sealing agent to reach an atomization state under the action of the compressed gas.
According to some embodiments of the disclosure, the pore sealing treatment method includes:
the part coating is a part coating of a shaft part, and the hole sealing treatment method comprises the steps of driving the shaft part to rotate at a first preset rotating speed;
determining the linear speed of the shaft part when the part coating is subjected to hole sealing treatment and the thickness of the hole sealing agent on the surface of the part coating after hole sealing treatment according to the porosity of the surface of the part coating and the type of the hole sealing agent; and
and determining the preset flow according to the linear speed of the shaft part when the part coating is subjected to hole sealing treatment, the size of the first coating tool and the thickness of the hole sealing agent on the surface of the part coating after hole sealing treatment.
According to some embodiments of the disclosure, the pore sealing treatment method includes: and determining the preset pressure according to the viscosity of the hole sealing agent.
A third aspect of the present disclosure provides a part having a part coating, comprising a substrate and a part coating applied to a surface of the substrate, the part coating being subjected to a sealing treatment using the sealing treatment method of the second aspect of the present disclosure.
According to some embodiments of the disclosure, shaft-like parts are included.
Based on the hole sealing processing device that this disclosed embodiment provided, atomizing module can provide the hole sealing agent of atomizing state, and hole sealing agent can more evenly shift to first coating instrument on, after shifting hole sealing agent to part coating surface through first coating instrument, the hole sealing agent on part coating surface distributes more evenly as well, does benefit to the hole sealing quality that promotes the part coating.
According to the hole sealing treatment method provided by the embodiment of the disclosure, the flow of the hole sealing agent is controllable and is in an atomization state, the hole sealing agent can be more uniformly transferred to the first coating tool, and after the hole sealing agent is transferred to the surface of the part coating through the first coating tool, the hole sealing agent on the surface of the part coating is more uniformly distributed, so that the hole sealing quality of the part coating is improved.
After the hole sealing treatment, the hole sealing agent can be uniformly and flatly attached to the surface of the part coating, can fully permeate the pores on the surface of the part coating, is beneficial to enhancing the corrosion resistance of a substrate of the part and prolonging the service life of the part in a severe environment.
Other features of the present disclosure and its advantages will become apparent from the following detailed description of exemplary embodiments of the disclosure, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate and explain the present disclosure, and together with the description serve to explain the present disclosure. In the drawings:
fig. 1 illustrates a structure of a hole sealing treatment apparatus according to some embodiments of the present disclosure.
Fig. 2 is a schematic rear view of the sealing treatment device shown in fig. 1, in which shaft-like parts subjected to sealing treatment of a part coating are shown.
Fig. 3 is a schematic right-side view of the sealing treatment apparatus shown in fig. 1, in which shaft-like parts subjected to sealing treatment of a part coating are shown.
Fig. 4 illustrates a pore sealing process of some embodiments of the present disclosure.
Fig. 5 illustrates a process of roll coating a sealer to a part coating surface using a roll brush in a sealing treatment method according to some embodiments of the present disclosure.
FIG. 6 shows the effect of the roller brush on the pores in the part coating similar to the gear mesh produced during the process of applying the sealer to the part coating surface using the roller brush shown in FIG. 5.
Fig. 7 illustrates a process of brushing a sealer on a part coating surface with a scrubber in a sealing treatment method according to some embodiments of the present disclosure.
In fig. 1 to 7, each reference numeral represents:
1. shaft parts; 2. a hole sealing treatment device; 3. a hole sealing agent;
20. a mounting base; 201. a first slide rail;
211. an atomizing unit; 212. a hole sealing agent conveying pipe; 213. a compressed gas delivery tube; 214. a third bracket;
221. a rolling brush; 222. a first bracket; 223. a first driving motor; 224. a belt wheel transmission mechanism; 225. a second driving motor; 226. a sliding table;
231. a scrubber; 232. a second bracket; 233. a slide block; 234. a second slide rail;
24. a control module;
A. a first region; B. a second region; C. and a third region.
Detailed Description
The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present disclosure, it should be understood that the use of terms such as "first," "second," etc. for defining components is merely for convenience in distinguishing corresponding components, and the terms are not meant to be construed as limiting the scope of the present disclosure unless otherwise indicated.
In the description of the present disclosure, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present disclosure and to simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be configured and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present disclosure; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
In the related art known to the inventors, a general process flow of the hole sealing treatment is as follows: cleaning the surface of the part coating, preparing a hole sealing agent, coating the hole sealing agent on the surface of the part coating, carrying out vacuum treatment/heating treatment, and carrying out finish machining on the surface of the part coating. In the process flow, the processes of the steps of pretreatment, post-treatment and the like of the front surface of the hole sealing are mature, and the automatic treatment can be realized.
However, in implementing the technical solution of the present disclosure, the inventors found that, at the present stage, the step of applying the hole sealing agent to the surface of the coating layer of the part still mainly depends on a coating manner of manually brushing or spraying the hole sealing agent to the surface of the coating layer of the part. This coating method has the following problems: on one hand, the uniformity of the hole sealing agent on the surface of the part coating is poor, the hole sealing agent on the local surface is too much, so that the hole sealing agent is wasted, the subsequent processing of the part coating is difficult, the hole sealing agent on the local surface is too little, the penetration depth of the hole sealing agent is insufficient, the holes in the part coating cannot be fully filled, and the hole sealing quality of the part coating is affected; on the other hand, the labor intensity of operators is high, and the processing efficiency is low when the hole sealing treatment is carried out on the part coating on the surface of the large-sized shaft part.
In order to improve the above problems, embodiments of the present disclosure provide a sealing treatment apparatus and a sealing treatment method for a part coating, and a part having a part coating that is sealed by the sealing treatment method.
As shown in fig. 1 to 3, the hole sealing treatment device for part coating provided in the embodiment of the disclosure includes an atomization module and a coating module. Wherein the atomizing module is configured to provide the plugging agent 3 in an atomized state. The coating module includes a first coating tool configured to receive the sealer 3 in an atomized state and transfer the sealer 3 to a surface of the part coating.
Based on the hole sealing processing device that this disclosed embodiment provided, atomizing module can provide the hole sealing agent of atomizing state, and hole sealing agent can more evenly shift to first coating instrument on, after shifting hole sealing agent to part coating surface through first coating instrument, the hole sealing agent on part coating surface distributes more evenly as well, does benefit to the hole sealing quality that promotes the part coating.
The hole sealing treatment device provided in the embodiment of the present disclosure is further described below with reference to fig. 1 to 3.
In some embodiments of the sealer treatment device, the coating module further comprises a second coating tool configured to apply pressure to the sealer 3 transferred to the surface of the part coating. After the first coating tool transfers the sealing agent 3 to the surface of the part coating, the sealing agent 3 can be more smoothly adhered to the surface of the part coating under the pressure applied by the second coating tool.
In the hole sealing treatment apparatus of some embodiments, as shown in fig. 1 to 3, the hole sealing treatment apparatus includes a mount 20, and an atomizing module and a coating module are disposed on the mount 20. When the shaft part 1 is subjected to hole sealing treatment, the atomization module and the coating module are installed on a workbench for clamping the part through the installation base 20. In some hole sealing treatment devices, which are not shown in the drawings, the atomizing module and the coating module may be directly mounted on a workbench for clamping the part to be treated.
In the hole sealing treatment apparatus of some embodiments, among the first coating tool and the second coating tool, the first coating tool includes the roller brush 221, and/or the second coating tool includes the scrubber 231.
In some embodiments, as shown in fig. 1-3, as one particular form of coating module, the first coating tool includes a roller brush 221 and the second coating tool includes a scrubber 231. In some embodiments, not shown, the first application tool comprises a scrubber and the second application tool comprises a roller brush. On the basis of the above arrangement with respect to the first and second coating tools, the first and second coating tools may also comprise other components that assist in the application of the sealer.
In some embodiments of the pore sealing treatment apparatus, the coating module further includes a first driving part in driving connection with the roller brush 221, the first driving part being configured to drive the roller brush 221 to rotate so as to roll-coat the pore sealing agent 3 onto the part coating.
As a specific form of the first driving part, as shown in fig. 1 and 2, the first driving part includes a first driving motor 223 and a pulley transmission mechanism 224, and a driving wheel and a driven wheel of the pulley transmission mechanism 224 are respectively in driving connection with the first driving motor 223 and the rolling brush 221, wherein the rotation speed of the first driving motor 223 can be steplessly adjusted according to actual process requirements.
In some embodiments of the pore sealing treatment apparatus, the pore sealing treatment apparatus further comprises a mounting base 20, the first coating tool is slidably disposed relative to the mounting base 20, and the coating module further comprises a second driving portion drivingly connected to the first coating tool, the second driving portion being configured to drive the first coating tool to slide relative to the mounting base 20. When the hole sealing treatment is carried out on the part, the first coating tool can slide back and forth relative to the mounting seat 20 by driving the first coating tool to slide back and forth relative to the axial direction of the shaft part, so that the problem that the hole sealing agent is unevenly attached to the surface of the part coating caused by uneven hole sealing agent spraying is solved.
In order to realize that the first coating tool is slidably disposed with the mounting base 20, specifically, as shown in fig. 1 and 2, the coating module further includes a second driving motor 225 and a sliding table 226, the first coating tool is disposed on the sliding table 226, the mounting base 20 includes a first sliding rail 201 slidably matched with the sliding table 226, and the second driving motor 225 is in driving connection with the sliding table 226 and is used for driving the first coating tool to slide reciprocally relative to the mounting base 20.
In order to achieve better sealing quality, the positions of the atomizing module, the first coating tool and the second coating tool relative to the parts to be treated should be adjustable when sealing parts of different sizes.
In some embodiments, for a pore sealing treatment device provided with a mounting base 20, at least one of the atomization module, the first coating tool, and the second coating tool is adjustably positioned on the mounting base 20.
As a specific embodiment in which the mounting position of the first coating tool on the mount 20 is adjustable, as shown in fig. 1 and 2, the coating module further includes a first bracket 222 provided on the mount 20, the first bracket 222 having a groove, and the axial height of the roller brush 221 can be adjusted according to the diameter of the shaft-like part 1.
As a specific embodiment of the second coating tool with an adjustable mounting position on the mounting base 20, as shown in fig. 1 to 3, the coating module further includes a second bracket 232 disposed on the mounting base 20, a second sliding rail 234 disposed on the second bracket 232, and a sliding block 233 slidably connected to the second bracket 232, where the second sliding rail 234 is slidably engaged with the sliding block 233, and the scrubber 231 is mounted on the sliding block 233, and the height of the scrubber 231 can be adjusted according to the diameter of the shaft part 1.
In other embodiments, for the hole sealing treatment device without the mounting base 20, at least one of the atomizing module, the first coating tool and the second coating tool may be mounted at an adjustable position on a workbench for clamping the shaft part to be treated, and the corresponding position adjusting mechanism may be directly mounted on the workbench, and the specific embodiment of the position adjusting mechanism may be described in the foregoing related description.
In some embodiments of the pore sealing treatment apparatus, the atomization module includes a first conveying part, a second conveying part, and an atomization part 211. The first conveying portion is configured to supply the sealing agent 3. The second delivery portion is configured to provide compressed gas. The atomizing part 211 is connected to the first conveying part and the second conveying part, and the atomizing part 211 is configured to bring the sealing agent 3 into an atomized state under the action of the compressed gas and to supply the sealing agent 3 in an atomized state to the first application tool.
As a specific form of the atomizing module, as shown in fig. 1 and 2, the first conveying portion includes a peristaltic pump (not shown in the drawings) and a sealing agent conveying pipe 212, and an inlet end and an outlet end of the peristaltic pump are respectively connected to a container storing the sealing agent and the sealing agent conveying pipe 212 to continuously convey the sealing agent 3 to the atomizing portion 211. The second delivery portion includes an air pump (not shown in the drawing) and a compressed gas delivery pipe 213, and an inlet end and an outlet end of the air pump are connected to the compressed gas source and the compressed gas delivery pipe 213, respectively, to continuously deliver compressed gas required for atomizing the plugging agent 3 to the atomizing portion 211. The atomizing part 211 includes an atomizing nozzle connected with the sealing agent delivery pipe 212 and the compressed gas delivery pipe 213, and the sealing agent 3 and the compressed gas are converged at the atomizing nozzle, and the sealing agent 3 can be uniformly sprayed onto the first coating tool in an atomized state under the action of the compressed gas. The atomizing module further includes a third support 214 with an adjustable position, the atomizing nozzle is mounted on the third support 214, and the third support 214 can be mounted on the first support 222.
In some embodiments, as shown in fig. 1 to 3, the hole sealing device further includes a control module 24, where the control module 24 is in signal connection with the atomizing module and the coating module. The control module 24 is configured to control whether the atomizing module and/or the coating module performs a sealing treatment action, including at least one of providing the sealing agent 3 and transferring the sealing agent 3, according to a process parameter that matches a part on which the coating of the part is being sealed. For example, the sealing treatment action may be spraying the sealing agent 3, driving the roller brush 221 to rotate, driving the roller brush 221 and the scrubber 231 to feed in the axial direction of the shaft-like part, driving the roller brush 221 to reciprocate, or the like.
In some embodiments of the pore sealing treatment apparatus, the control module 24 described above may be implemented as a general purpose processor, a programmable logic controller (Programmable Logic Controller, abbreviated as PLC), a digital signal processor (Digital Signal Processor, abbreviated as DSP), an application specific integrated circuit (Application Specific Integrated Circuit, abbreviated as ASIC), a Field-programmable gate array (Field-Programmable Gate Array, abbreviated as FPGA), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or any suitable combination thereof for performing the functions described in this disclosure.
According to the above arrangement, the control module 24 can control the hole sealing operation according to the process parameters matched with the specifications of the parts, thereby being beneficial to improving the automation degree of the hole sealing process, improving the efficiency of the hole sealing process and reducing the labor intensity of operators.
In some embodiments of the sealing device, the sealing device may be mounted on a feeding mechanism of a workbench for clamping a part to be processed through a mounting base 20. For example, in the embodiment shown in fig. 2 and 3, the hole sealing device is mounted on the feeding mechanism of the workbench for clamping the shaft part 1 to be processed through the mounting seat 20, so that the hole sealing device can be integrally fed along the axial direction of the shaft part 1, and the relative position of the hole sealing device and the shaft part can be adjusted along the radial direction of the shaft part 1.
The sealing device itself may have a function of feeding the parts. In other embodiments, the pore sealing device further comprises a feeding module in driving connection with the atomizing module and the coating module and configured to drive the atomizing module and the coating module to feed in at least one direction.
In the embodiment shown in fig. 2 and 3, the atomizing module and the coating module can be continuously fed relative to the axial direction of the shaft-like part under the drive of the feeding mechanism of the workbench or the feeding module of the hole sealing treatment device, so that the hole sealing treatment of the whole shaft-like part is completed.
As shown in fig. 4, the hole sealing treatment method for the part coating provided by the embodiment of the disclosure includes: step 1, providing a hole sealing agent 3 at a preset flow rate and enabling the hole sealing agent 3 to reach an atomization state; and step 2, receiving the sealing agent 3 in an atomized state by using a first coating tool and transferring the sealing agent 3 to the surface of the part coating.
According to the hole sealing treatment method provided by the embodiment of the disclosure, the flow of the hole sealing agent is controllable and is in an atomization state, the hole sealing agent can be more uniformly transferred to the first coating tool, and after the hole sealing agent is transferred to the surface of the part coating through the first coating tool, the hole sealing agent on the surface of the part coating is more uniformly distributed, so that the hole sealing quality of the part coating is improved.
In order to make the sealing agent 3 adhere more smoothly to the surface of the coating layer of the part, in the sealing treatment method of some embodiments, the sealing treatment method further includes: and 3, applying pressure to the hole sealing agent 3 transferred to the surface of the part coating by using a second coating tool.
The hole sealing treatment method provided in the embodiment of the present disclosure is further described below with reference to fig. 2 to 7.
In some embodiments of the pore sealing treatment method, step 1 includes step 1.1 and step 1.2.
Step 1.1, providing a hole sealing agent 3 at a preset flow rate and providing compressed gas at a preset pressure.
For the sealing treatment of the part coating of the shaft-like part 1, in step 1.1, the shaft-like part 1 is driven at a first preset rotational speed n 1 The linear velocity of the shaft part 1 is v 1 . The preset flow rate F of the plugging agent 3 can be determined by: firstly, determining the linear velocity v of the shaft part 1 when the part coating is subjected to hole sealing treatment according to the porosity of the surface of the part coating and the type of the hole sealing agent 3 1 And the thickness h of the hole sealing agent 3 on the surface of the part coating after hole sealing treatment; then according to the linear velocity v of the shaft part 1 when the hole sealing treatment is carried out on the part coating 1 The size of the first coating tool and the thickness h of the sealing agent 3 on the surface of the part coating after the sealing treatment determine the preset flow rate.
In the pore sealing treatment method of some embodiments, the first coating tool and the second coating tool may be the first coating tool and the second coating tool of the pore sealing treatment apparatus provided by the embodiments of the present disclosure. The first coating tool comprises a roller brush 221 and the second coating tool comprises a scrubber 231.
In time t, the part coating area S that can be subjected to the sealing treatment can be expressed as:
S＝v 1 ×t×L
where L is the width of the roller brush 221. Further, the total volume V of the sealant required in time t can be expressed as:
V＝S×h
therefore, the preset flow rate F of the plugging agent 3 at the time of the plugging treatment can be expressed as:
F＝V/t＝v 1 ×L×h
in step 1.1, a preset pressure of the compressed gas may be determined according to the viscosity of the sealing agent 3.
Step 1.2, enabling the hole sealing agent 3 to be in an atomization state under the action of compressed gas. Step 1.2 may be implemented by an atomization module of the hole sealing treatment device provided by the embodiments of the present disclosure.
In some embodiments of the hole sealing treatment method, as shown in fig. 4 and 5, in step 2, the first coating tool includes a roll brush 221, and step 2 includes step 2.1: the sealing agent 3 in an atomized state is sprayed onto the roller brush 221, and the sealing agent 3 is roll-coated onto the part coating surface by the roller brush 221.
In order to achieve a better rolling effect, in step 2.1, the height of at least one of the roller brush 221 and the shaft-like part 1 may be adjusted such that the height of the rotation axis of the roller brush 221 is lower than the height of the axis of the shaft-like part 1.
In some embodiments, for the sealing treatment of the part coating of the shaft-like part 1, in step 2.1, the shaft-like part 1 is driven at a first preset rotational speed n 1 Rotate to drive the roller brush 221 at a second preset rotation speed n 2 And (5) rotating.
In step 2.1, a first preset rotational speed n of the shaft-like part 1 1 And a second preset rotational speed n of the roller brush 221 2 Can be determined by: firstly, determining a first preset rotating speed n according to the porosity of the surface of the shaft part 1, the type of the hole sealing agent 3 and the size of the shaft part 1 1 ，n 1 Can be expressed as:
n 1 ＝2v 1 /D
wherein v is 1 Line speed v when sealing shaft part 1 1 The porosity of the surface of the shaft part 1 and the type of the hole sealing agent 3 can be used for determining, and D is the diameter of the shaft part 1; then according to the firstA preset rotation speed n 1 Determining a second preset rotational speed n 2 。
In some embodiments, the second preset rotational speed n is used to more uniformly adhere the sealant transferred by the roll coating of the roll brush 221 to the part coating surface 2 With a first preset rotation speed n 1 The ratio of (2) is 5-10.
In order to alleviate the problem of uneven adhesion of the sealing agent to the surface of the part coating due to uneven spraying of the sealing agent, the sealing treatment quality of the part coating is improved, in some embodiments, as shown in fig. 4, in the sealing treatment of the part coating of the shaft part 1, in step 2.1, the first coating tool may be driven to reciprocate relative to the axial direction of the shaft part 1 at a speed v 3 。
As shown in fig. 6, in step 2.1, the shaft part 1 and the roller brush 221 are rotated at a first preset rotational speed n 1 And a second preset rotational speed n 2 When rotated in opposite directions, the shaft-like member 1 and the roller brush 221 form an effect similar to gear engagement. In the process that the shaft part 1 and the rolling brush 221 are continuously meshed, the volume of the hole sealing agent in the range of the first area A is reduced, a certain pressure is generated in the hole sealing agent, the hole sealing agent is facilitated to permeate into the part coating, and the permeability of the hole sealing agent is improved.
In the hole sealing treatment method of some embodiments, as shown in fig. 4 and 7, in step 3, the second coating tool includes the scrubber 231, and step 3 includes step 3.1: the sealer 3 on the part coating surface is brushed with the scrubber 231.
In order to achieve a better brushing effect, in step 3.1, the height of at least one of the scrubber 231 and the shaft-like part 1 may be adjusted such that the height of the scrubber 231 is lower than the height of the axis of the shaft-like part 1.
As shown in fig. 7, in step 3.1, during the process of brushing the hole sealing agent on the part coating surface, the scrubber 231 is abutted against the part coating surface, and under the pressure of the scrubber 231 on the hole sealing agent on the part coating surface, the penetration capability of the hole sealing agent is enhanced, meanwhile, the volume of the hole sealing agent in the range of the third area C is in a decreasing trend, a certain pressure is generated in the hole sealing agent, and the penetration capability of the hole sealing agent is also improved.
As shown in fig. 4, in steps 1 to 3, the roller brush 221 and the scrubber 231 are driven at a preset feeding speed v 2 And feeding relative to the axial direction of the shaft part 1 to finish the hole sealing treatment of the whole surface of the shaft part 1.
In steps 1 to 3, the roller brush 221 and the scrubber 231 are fed at a preset feed speed v 2 Can be determined by: firstly, determining the linear velocity v of the shaft part 1 when the hole sealing treatment is carried out according to the porosity of the surface of the shaft part 1, the type of the hole sealing agent 3 and the size of the shaft part 1 1 The method comprises the steps of carrying out a first treatment on the surface of the Then according to the size of the second coating tool, the overlap ratio lambda of the hole sealing agent and the linear velocity v of the shaft part 1 when the hole sealing treatment is carried out 1 Determining a preset feed speed v 2 . The overlap ratio lambda of the hole sealing agent refers to the ratio of the width of the overlapping part of the adjacent two covered areas of the second coating tool to the width of the second coating tool on the same bus of the shaft part 1.
In the pore sealing treatment method of some embodiments, the first coating tool and the second coating tool may be the first coating tool and the second coating tool of the pore sealing treatment apparatus provided by the embodiments of the present disclosure. The first coating tool comprises a roller brush 221 and the second coating tool comprises a scrubber 231.
Preset feed speed v 2 Can be expressed as:
v 2 ＝B×(1-λ)×v 1 /(π×D)
wherein B is the width of the scrubber 231, and D is the diameter of the shaft-like part 1.
In order to meet the flatness requirement of the hole sealing agent on the surface of the part coating, the lap joint rate lambda of the hole sealing agent which is brushed can be controlled to be 40-80% in the feeding process of the first coating tool and the second coating tool.
The hole sealing treatment method described above can be implemented based on the hole sealing treatment device provided in the embodiment of the disclosure, and specific implementation manners can refer to the related description of the hole sealing treatment device.
Some embodiments of the present disclosure also provide a part having a part coating. A part having a part coating includes a substrate and a coating applied to a surface of the substrate. The part coating is subjected to hole sealing treatment by adopting the hole sealing treatment method.
As shown in fig. 1-3, in some embodiments, the part with the part coating comprises a shaft-like part 1.
After the hole sealing treatment, the hole sealing agent can be uniformly and flatly attached to the surface of the part coating, can fully permeate the pores on the surface of the part coating, is beneficial to enhancing the corrosion resistance of a substrate of the part and prolonging the service life of the part in a severe environment.
Finally, it should be noted that: the above embodiments are merely for illustrating the technical solution of the present disclosure and are not limiting thereof; although the present disclosure has been described in detail with reference to preferred embodiments, those of ordinary skill in the art will appreciate that: modifications may be made to the specific embodiments of the disclosure or equivalents may be substituted for part of the technical features that are intended to be included within the scope of the claims of the disclosure.
Claims (18)
1. The utility model provides a hole sealing processing apparatus of part coating which characterized in that includes:
an atomizing module configured to provide a sealing agent (3) in an atomized state, the atomizing module including a first conveying portion configured to provide the sealing agent (3), a second conveying portion configured to provide a compressed gas, and an atomizing portion (211) connected to the first conveying portion and the second conveying portion, configured to bring the sealing agent (3) into an atomized state under the action of the compressed gas, and to provide the sealing agent (3) in the atomized state to the first application tool;
a coating module comprising a first coating tool configured to receive the sealer (3) in an atomized state and transfer the sealer (3) to a surface of the part coating; and
-a mount (20) with respect to which the first coating tool is reciprocally slidably arranged, the coating module further comprising a second drive part in driving connection with the first coating tool, the second drive part being configured to drive the first coating tool to reciprocally slide with respect to the mount (20);
the first conveying part comprises a peristaltic pump and a hole sealing agent conveying pipe (212), the inlet end of the peristaltic pump is used for being connected with a container for storing hole sealing agent, the outlet end of the peristaltic pump is connected with the hole sealing agent conveying pipe (212), the second conveying part comprises a compressed gas conveying pipe (213), the atomizing part (211) comprises an atomizing nozzle, and the atomizing nozzle is connected with the hole sealing agent conveying pipe (212) and the compressed gas conveying pipe (213).
2. The pore sealing treatment device according to claim 1, characterized in that the coating module further comprises a second coating tool configured to apply pressure to the pore sealing agent (3) transferred to the surface of the part coating.
3. The sealing treatment device according to claim 2, wherein,
the first application tool comprises a roller brush (221); and/or
The second coating tool includes a scrubber (231).
4. The pore sealing treatment device according to claim 3, wherein the coating module further comprises a first driving part in driving connection with the roller brush (221), the first driving part being configured to drive the roller brush (221) to rotate.
5. The sealing treatment device according to claim 1, wherein,
the mounting position of the atomizing module is adjustably arranged on the mounting seat (20); and/or
The first coating tool mounting position is adjustably disposed on the mounting base (20).
6. The sealing treatment device according to claim 2, wherein the second application tool mounting position is adjustably provided on the mounting base (20).
7. The sealing treatment device according to any one of claims 1 to 6, further comprising a control module (24), the control module (24) being in signal connection with the atomizing module and the coating module and being configured to control whether the atomizing module and/or the coating module performs a sealing treatment action, and to perform a sealing treatment action according to process parameters matching a part on which the part coating is subjected to a sealing treatment, the sealing treatment action comprising at least one of providing the sealing agent (3) and transferring the sealing agent (3).
8. The pore sealing treatment device of any one of claims 1 to 6, further comprising a feeding module drivingly connected to the atomizing module and the coating module and configured to drive the atomizing module and the coating module to feed in at least one direction.
9. The hole sealing treatment method for the part coating is characterized in that the part coating is a part coating of a shaft part (1), and comprises the following steps of:
providing a hole sealing agent (3) at a preset flow rate and enabling the hole sealing agent (3) to reach an atomization state, driving the shaft part (1) to rotate at a first preset rotating speed, and comprising the following steps: providing the hole sealing agent (3) at the preset flow rate, providing compressed gas at a preset pressure, enabling the hole sealing agent (3) to reach an atomization state under the action of the compressed gas, wherein the preset flow rate is determined according to the porosity of the surface of the part coating and the type of the hole sealing agent (3), determining the linear speed of the shaft part (1) when the part coating is subjected to hole sealing treatment and the thickness of the hole sealing agent (3) on the surface of the part coating after hole sealing treatment, and determining the preset flow rate according to the linear speed of the shaft part (1) when the part coating is subjected to hole sealing treatment, the size of the first coating tool and the thickness of the hole sealing agent (3) on the surface of the part coating after hole sealing treatment, and determining the preset pressure according to the viscosity of the hole sealing agent (3); and
and adopting a first coating tool to receive the hole sealing agent (3) in an atomized state and transferring the hole sealing agent (3) to the surface of the part coating, and driving the first coating tool to reciprocate relative to the axial direction of the shaft part (1).
10. The sealing treatment method according to claim 9, characterized by further comprising: applying pressure to the sealer (3) transferred to the surface of the part coating using a second coating tool.
11. The pore sealing treatment method according to claim 10, wherein the first coating tool comprises a roll brush (221), the second coating tool comprises a plate brush (231), wherein,
receiving the sealer (3) in an atomized state and transferring the sealer (3) to the coating surface with a first coating tool includes: spraying the hole sealing agent (3) in the atomized state onto the rolling brush (221), and adopting the rolling brush (221) to roll-coat the hole sealing agent (3) onto the surface of the coating; and/or
Applying pressure to the sealer (3) transferred to the coating surface using a second coating tool includes: brushing the sealant (3) on the surface of the coating by using the scrubber (231).
12. The sealing treatment method according to claim 10, wherein the part coating is a part coating of a shaft-like part (1), the first coating tool includes a roll brush (221), the second coating tool includes a scrubber (231), the sealing treatment method includes:
driving the shaft part (1) to rotate at a first preset rotating speed;
driving the rolling brush (221) to rotate at a second preset rotating speed;
the roller brush (221) and the scrubbing brush (231) are driven to axially feed relative to the shaft-type part (1) at a preset feeding speed.
13. The sealing treatment method according to claim 12, characterized by comprising:
determining the first preset rotating speed according to the porosity of the surface of the shaft part (1), the type of the hole sealing agent (3) and the size of the shaft part (1); and
and determining the second preset rotating speed according to the first preset rotating speed.
14. The method according to claim 13, wherein a ratio of the second preset rotational speed to the first preset rotational speed is 5 to 10.
15. The sealing treatment method according to claim 12, characterized by comprising:
determining the linear speed of the shaft part (1) when the shaft part (1) is subjected to hole sealing treatment according to the porosity of the surface of the shaft part (1), the type of the hole sealing agent (3) and the size of the shaft part (1); and
and determining the preset feeding speed according to the size of the second coating tool, the lap joint rate of the hole sealing agent (3) and the linear speed of the shaft part (1) when the hole sealing treatment is carried out.
16. The sealing treatment method according to any one of claims 12 to 15, characterized by comprising:
adjusting the height of the rolling brush (221) and/or the shaft-like part (1) so that the height of the rotation axis of the rolling brush (221) is lower than the height of the axis of the shaft-like part (1); and/or
-adjusting the height of the scrubber (231) and/or the shaft-like part (1) such that the height of the scrubber (231) is lower than the height of the axis of the shaft-like part (1).
17. A part having a part coating, characterized by comprising a base body and a part coating applied to a surface of the base body, the part coating being subjected to a sealing treatment by the sealing treatment method according to any one of claims 9 to 16.
18. Part with part coating according to claim 17, characterized in that it comprises a shaft-like part (1).
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