Uniform painting device for processing purline with complex shape

Abstract

The invention discloses a uniform painting device for machining a purline in a complex shape, and relates to the field of purline machining, the uniform painting device comprises a mounting frame, a paint pipe is fixedly connected to the inner wall of the mounting frame, a plug is attached to the inner wall of the paint pipe, a push-pull rod is arranged at the upper end of the plug, and a sponge head is mounted on the inner wall of the mounting frame. The sponge head is clamped by arranging the flexible heating piece, the flexible heating piece facilitates temperature difference compensation of the sponge head, the micro temperature sensor monitors the environment temperature and the temperature of the sponge head in real time, when the temperature is too low, the built-in flexible heating piece is started to be attached to the connecting position of the sponge head, the sponge head is heated moderately through heat conduction, and the sponge head is heated moderately. The elastic recovery capacity of the sponge head is improved, the situation that the sponge head becomes hard and the attaching performance is reduced due to the fact that the temperature is too low is avoided, the paint temperature can be slightly increased through the flexible heating piece, the paint viscosity is reduced, and the permeation and release effects of the paint in the sponge head are improved.

Description

TECHNICAL FIELD

[0001] The application relates to the purlin processing field, in particular to a uniform paint coating device for complex-shaped purlin processing. BACKGROUND

[0002] The purlin is a commonly used component in steel structure buildings, and cold-bent thin-walled steel is usually selected, the section of the cold-bent thin-walled steel is in a complex form such as a C type or a Z type, and the cold-bent thin-walled steel can be combined into a light roof truss, a bracket and the like, manual brushing is often used in purlin paint coating due to the advantages of saving paint, simple construction and strong penetration, and the manual brushing is especially beneficial to processing narrow areas such as corners and grooves and can enhance the film adhesion, but the paint is difficult to uniformly cover, and therefore a uniform paint coating device for complex-shaped purlin processing is needed.

[0003] The existing uniform paint coating device for complex-shaped purlin processing is prone to excessive or insufficient paint adhesion during operation, resulting in uneven paint surface and being easily affected by excessively low temperature on material elasticity and paint flowability, and therefore a uniform paint coating device for complex-shaped purlin processing is urgently needed. SUMMARY

[0004] Based on this, the purpose of the present application is to provide a uniform paint coating device for complex-shaped purlin processing to solve the problem that the existing uniform paint coating device for complex-shaped purlin processing is prone to excessive or insufficient paint adhesion during use, resulting in uneven paint surface and being easily affected by excessively low temperature on material elasticity and paint flowability.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a uniform paint coating device for complex-shaped purlin processing, comprising a mounting frame, a paint pipe is fixedly connected to the inner wall of the mounting frame, a plug is attached to the inner wall of the paint pipe, a push-pull rod is arranged at the upper end of the plug, and a sponge head is installed on the inner wall of the mounting frame.

[0006] The inner wall of the sponge head is attached with a flexible heating sheet, one end of the flexible heating sheet is electrically connected with a wire, one end of the wire is electrically connected with a power block, the upper end of the power block abuts against a rubber pad, the outer wall of the rubber pad abuts against a cover plate, the inner wall of the cover plate is fixedly connected with positioning rods, and the outer wall of the positioning rods is fixedly connected with a micro temperature sensor.

[0007] Preferably, the mounting frame is threadedly connected with the paint pipe, and the outer wall of the paint pipe is provided in a threaded manner.

[0008] Preferably, the mounting frame is snap-connected with the sponge head, and the inner wall of the sponge head is designed in a slotted manner.

[0009] Preferably, the flexible heating sheet is snap-connected with the sponge head, and the flexible heating sheet is symmetrically arranged about the central axis of the sponge head.

[0010] Preferably, the outer wall of the rubber pad is tightly fitted with the outer wall of the cover plate, and the outer wall diameter of the rubber pad is the same as that of the cover plate.

[0011] Preferably, the positioning rod is threadedly connected with the micro temperature sensor, and the positioning rod is symmetrically arranged with the central axis of the micro temperature sensor.

[0012] Compared with the prior art, the present application has the following advantages:

[0013] 1、The paint tube is the core channel for paint transmission, made of polytetrafluoroethylene, has certain pressure resistance, avoids deformation of the pipe wall due to excessive push-pull pressure, and forms a cooperative paint extraction and storage mechanism with the push-pull rod and the mounting frame, the rod body of the push-pull rod is made of stainless steel and the surface is chrome plated, a plug is installed at one end of the push-pull rod, the plug is made of solvent-resistant rubber material and has a tight fit with the inner diameter of the paint tube, when paint needs to be extracted, under the action of negative pressure, the paint from the external paint supply source is sucked into the storage cavity through the paint tube, until the paint tube reaches the preset volume, when the paint needs to be stored, the push-pull rod only needs to be stopped, the paint will be stably stored in the paint tube storage cavity and will not flow back to the external supply source, the porous structure of the sponge head can uniformly adsorb the injected paint in the pores, forming a stable paint reserve layer, during the brushing process, when the sponge head contacts the surface of the purlin and a certain pressure is applied, the paint in the pores will be slowly released with the uniform transmission of pressure, and the release amount is positively correlated with the pressure, avoiding the risk of paint dripping due to one-time large release or insufficient release leading to too thin paint coating, for the planar part of the purlin, the porous structure of the sponge head can realize uniform release of paint over a large area, for the groove part, the elasticity of the sponge head will make the pores fit the inner wall of the groove when extruded, the paint is uniformly released along the groove shape, ensuring that there is no missed coating in the groove, for the corner part, the porous structure of the sponge head can form a continuous coating on both sides of the corner, avoiding uneven coating due to corner shielding, the porous structure of the sponge head endows it with excellent elasticity and deformation ability, when brushing the purlin with complex shape, the sponge head can adaptively deform according to the ups and downs, protrusions and depressions of the surface of the purlin, the porous structure can also reduce the frictional resistance between the sponge head and the surface of the purlin, making the brushing process smoother and reducing the risk of paint accumulation or scratching the surface of the purlin due to friction;

[0014] 2、The present application sets up the flexible heating sheet to play the clamping effect on the sponge head, the flexible heating sheet is convenient for temperature difference compensation of the sponge head, the micro temperature sensor monitors the environmental temperature and the sponge head temperature in real time, when the temperature is too low, the built-in flexible heating sheet is started, is pasted in the connecting place of the sponge head, the sponge head is moderately heated through heat conduction, the elastic recovery ability of the sponge head is improved, the sponge head is avoided to be hardened and the adhesion is reduced due to too low temperature, the flexible heating sheet can also slightly improve the paint temperature, reduces the paint viscosity, improves the penetration and release effect of paint in the sponge head. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the elevation appearance view of the present application;

[0016] Figure 2 It is the elevation split structure schematic view of the present application;

[0017] Figure 3 It is the structure schematic view of the mounting frame part of the present application;

[0018] Figure 4 It is the structure schematic view of the present application Figure 2 A part is enlarged.

[0019] In the figure: 1, mounting frame;2, paint pipe;3, plug;4, push-pull rod;5, sponge head;6, flexible heating sheet;7, wire;8, power block;9, rubber pad;10, cover plate;11, positioning rod;12, micro temperature sensor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. The embodiments described below with reference to the drawings are exemplary, for explaining the present application only, and cannot be understood as limiting the present application.

[0021] The embodiments of the present application will be described below according to the overall structure of the present application.

[0022] Please refer to Figures 1-4The utility model provides a kind of even painting device for purlin processing of complex shape, including mounting bracket 1, the inner wall of mounting bracket 1 is fixedly connected with paint pipe 2, mounting bracket 1 is connected with paint pipe 2 by screw thread, and the outer wall of paint pipe 2 is threadedly arranged, the inner wall of paint pipe 2 is attached with plug 3, the upper end of plug 3 is provided with push-pull rod 4, the inner wall of mounting bracket 1 is installed with sponge head 5, mounting bracket 1 is engagedly connected with sponge head 5, and the inner wall of sponge head 5 is designed as slotted, paint pipe 2 is set as the core channel of paint transmission, is made of polytetrafluoroethylene, has certain pressure resistance, avoids the deformation of pipe wall due to excessive push-pull pressure, push-pull rod 4, paint pipe 2 and mounting bracket 1 form collaborative paint extraction and storage mechanism, the rod body of push-pull rod 4 is made of stainless steel material, the surface is treated by chrome plating, one end of push-pull rod 4 is installed with plug 3, plug 3 is made of solvent-resistant rubber material, and the outer diameter is tightly matched with the inner diameter of paint pipe 2, when paint needs to be extracted, under the action of negative pressure, the paint of external paint supply source is sucked into storage cavity through paint pipe 2 until paint pipe 2 reaches preset volume, when paint needs to be stored, just stop pulling push-pull rod, and paint will be stably stored in the storage cavity of paint pipe 2 and will not backflow to external supply source, the porous structure of sponge head 5 can uniformly adsorb the injected paint in pore, to form stable paint reserve layer, during brushing, when sponge head 5 contacts purlin surface and applies certain pressure, the paint in pore will be slowly released along with the uniform transmission of pressure, and the release amount is positively correlated with pressure, avoids that paint is released in large quantity once to cause sagging, or is not released enough to cause paint to be too thin, for the plane part of purlin, the porous structure of sponge head 5 can realize large-area uniform paint release, for groove part, the elasticity of sponge head 5 can make pore adhere to inner wall of groove when extruded, and paint is uniformly released along groove shape, to ensure that there is no missed coating in groove, for corner part, the porous structure of sponge head 5 can make paint form continuous coating on both sides of corner, to avoid that painting is uneven due to corner shielding, the porous structure of sponge head 5 endows it with excellent elasticity and deformation ability, when brushing complex shape purlin, sponge head 5 can adaptively deform according to the undulation, protrusion, depression and other shapes of purlin surface, and porous structure can also reduce the friction resistance between sponge head 5 and purlin surface, to make the brushing process more smooth, reduce the risk of paint accumulation or scratch purlin surface due to friction.

[0023] Please refer to Figures 1-4The utility model provides a kind of even painting device for purlin processing of complex shape, the inner wall of sponge head 5 is attached with flexible heating sheet 6, flexible heating sheet 6 is engaged with sponge head 5, and flexible heating sheet 6 is symmetrically arranged with the central axis of sponge head 5, one end of flexible heating sheet 6 is electrically connected with wire 7, one end of wire 7 is electrically connected with power block 8, the upper end of power block 8 is abutted with rubber pad 9, the outer wall of rubber pad 9 is abutted with cover plate 10, the outer wall of rubber pad 9 and the outer wall of cover plate 10 are closely attached, and the outer wall diameter of rubber pad 9 is same with the outer wall diameter of cover plate 10, the inner wall of cover plate 10 is fixedly connected with positioning rod 11, the outer wall of positioning rod 11 is fixedly connected with micro temperature sensor 12, positioning rod 11 is threadedly connected with micro temperature sensor 12, and positioning rod 11 is symmetrically arranged with the central axis of micro temperature sensor 12, flexible heating sheet 6 is engaged with sponge head 5 by being arranged, and flexible heating sheet 6 is convenient for sponge head 5 temperature difference compensation, micro temperature sensor 12 monitors environment temperature and sponge head 5 temperature in real time, when temperature is too low, built-in flexible heating sheet 6 is started, is attached in the connecting portion of sponge head 5, is moderately heated for sponge head 5 by heat conduction, improves the elastic recovery capacity of sponge head 5, avoids that sponge head 5 is hardened due to temperature is too low, and the adhesion of decline, flexible heating sheet 6 can also slightly improve paint temperature, reduce paint viscosity, improve the penetration and release effect of paint in sponge head 5.

[0024] Working principle: when using, the device is taken out and placed in the designated position, the paint tube 2 is inserted into the paint raw material, the paint tube 2 is pushed against the pulling rod 4 to pull, the paint is extracted, the paint tube 2 is threadedly fixed to the mounting frame 1, the sponge head 5 is clamped and fixed to the mounting frame 1, the paint tube 2 is pushed against the pulling rod 4 to inject paint into the sponge head 5, the rubber pad 9 is bonded to the cover plate 10, the power block 8 is clamped and fixed to the mounting frame 1, the cover plate 10 is threadedly fixed to the mounting frame 1, and the positioning rod 11 is threadedly fixed to the micro temperature sensor 12. According to the use requirement, the micro temperature sensor 12 monitors the temperature in real time, the flexible heating sheet 6 warms the sponge head 5 when the temperature is too low, and finally the sponge head 5 paints the purlin, which completes the use process of the device. The contents not described in detail in the specification belong to the existing technology known to those skilled in the art.

[0025] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A uniform painting device for purlin processing of complex shapes, comprising a mounting frame (1), characterized in that: The inner wall of the mounting frame (1) is fixedly connected with a paint tube (2), the inner wall of the paint tube (2) is attached with a plug (3), the upper end of the plug (3) is provided with a push-pull rod (4), and the inner wall of the mounting frame (1) is provided with a sponge head (5); The inner wall of the sponge head (5) is attached with a flexible heating sheet (6), one end of the flexible heating sheet (6) is electrically connected with a wire (7), one end of the wire (7) is electrically connected with a power block (8), the upper end of the power block (8) is in contact with a rubber pad (9), the outer wall of the rubber pad (9) is in contact with a cover plate (10), the inner wall of the cover plate (10) is fixedly connected with a positioning rod (11), and the outer wall of the positioning rod (11) is fixedly connected with a micro temperature sensor (12).

2. A uniform painting device for a purlin of a complex shape according to claim 1, characterized in that: The mounting frame (1) is threadedly connected with the paint tube (2), and the outer wall of the paint tube (2) is provided with threads.

3. A uniform painting device for a purlin of a complex shape according to claim 1, characterized in that: The mounting frame (1) is clampedly connected with the sponge head (5), and the inner wall of the sponge head (5) is designed as a slotted type.

4. A uniform painting device for a purlin of a complex shape according to claim 1, characterized in that: The flexible heating sheet (6) is clampedly connected with the sponge head (5), and the flexible heating sheet (6) is symmetrically arranged about the central axis of the sponge head (5).

5. A uniform painting device for complex shaped purline processing as claimed in claim 1, wherein: The outer wall of the rubber pad (9) is tightly attached to the outer wall of the cover plate (10), and the outer wall diameter of the rubber pad (9) is the same as the outer wall diameter of the cover plate (10).

6. A uniform painting device for a purlin of a complex shape according to claim 1, wherein: The positioning rod (11) is threadedly connected with the micro temperature sensor (12), and the positioning rod (11) is symmetrically arranged about the central axis of the micro temperature sensor (12).

Images