Automatic feeding equipment for spraying line

By installing heating wires on the inner wall of the paint storage bucket of the spraying equipment, and using liquid level and temperature sensors to cooperate with the PLC controller, precise control of the paint temperature is achieved, solving the problem that existing equipment cannot effectively control the paint temperature, and improving the spraying effect and uniformity.

CN222872476UActive Publication Date: 2025-05-16ZHUJI WEINENG ELECTROMAGNETIC BRAKE FACTORY
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Patent Information

Application Number
CN202421380892.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-05-16
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

Existing spraying equipment cannot effectively control the paint temperature, resulting in uneven spraying effects in different seasons and paint types, which are prone to viscosity, poor fluidity, uneven coating, blocky or mottled phenomena.

Method used

An automatic feeding equipment for spraying wires is designed, including installing heating wires on the inner wall of the paint storage barrel, and equipped with a liquid level sensor and a temperature sensor. The use of heating wires is accurately controlled through the PLC controller to ensure that the temperature of the paint is constant under different reserves and seasons.

Benefits of technology

By accurately controlling the paint temperature, the fluidity of the paint is improved, ensuring that the surface of the workpiece is uniform and does not agglomerate after spraying, and improving the spraying effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222872476U_ABST
Patent Text Reader

Abstract

The utility model discloses automatic feeding equipment for a spraying line. The paint spraying device comprises a spraying table, a paint storage barrel is welded in the spraying table, a heating wire is arranged on the inner wall of the paint storage barrel, a liquid level sensor is arranged in the paint storage barrel, the inner wall of the paint storage barrel is in threaded connection with a temperature sensor, and the inner wall of the spraying table is connected with a high-pressure pump through bolts. The heating wire is usually installed on the inner wall of the paint storage barrel, the temperature sensor can be used for detecting the internal temperature, the PLC is used for setting the heating temperature, the effect of accurately controlling the temperature of paint can be achieved, the storage amount of the paint can be sensed under detection of the liquid level sensor, the PLC can conveniently analyze and control use of the heating wire, and the paint storage efficiency is improved. The constant temperature of the paint with different reserves is ensured, so that the proper temperature can be set in different seasons and under different paints, the optimal flowability of the paint is improved, and the surface of a sprayed workpiece is uniformly sprayed and is not caked.
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Description

Technical Field

[0001] The utility model relates to the technical field of spraying equipment, in particular to automatic feeding equipment for a spraying line. Background Art

[0002] Nowadays, in order to improve the market competitiveness of various products, various designs and processing are usually carried out on the appearance of the products. In terms of processing, some manufacturers will spray paint on the products to improve the beauty of the products, so as to make the products more popular with consumers and thus improve the market competitiveness of the products. In order to improve the efficiency of spray painting, manufacturers generally use spray processing lines to spray paint the products;

[0003] The feeding structure of the existing spraying equipment adopts a storage barrel for storage, and uses a high-pressure pump pipeline to spray the workpiece under the action of the nozzle. However, different paints will be affected by temperature at different temperatures. At low temperatures, the paint will become sticky, have poor fluidity, uneven coating, and easily appear blocky or mottled. The existing structure cannot control the temperature of the paint, resulting in the paint temperature being affected by the indoor temperature, which leads to the problem of uneven surface spraying during production spraying in different seasons, reducing the spraying effect. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic feeding device for a spraying line to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic feeding device for a spraying line, comprising a spraying station, a paint storage barrel welded inside the spraying station, a heating wire is arranged on the inner wall of the paint storage barrel, a liquid level sensor is arranged inside the paint storage barrel, a temperature sensor is threadedly connected to the inner wall of the paint storage barrel, a high-pressure pump is bolted to the inner wall of the spraying station, the high-pressure pump is connected to the inside of the paint storage barrel by a pipeline, a PLC controller is arranged inside the spraying station, and the input ends of the heating wire, the liquid level sensor, the temperature sensor and the high-pressure pump are connected to the output end of the PLC controller.

[0006] By adopting the above technical solution, a heating wire is usually installed on the inner wall of the paint storage barrel, and the internal temperature can be detected by a temperature sensor. The heating temperature is set by a PLC controller, which can accurately control the temperature of the paint. The paint reserves can be sensed under the detection of the liquid level sensor, so that the PLC controller can analyze and control the use of the heating wire to ensure the constant temperature under different reserves of paint, so that the appropriate temperature can be set in different seasons and under different paints, and the optimal fluidity of the paint can be improved to ensure that the surface of the workpiece is sprayed evenly and without caking after spraying.

[0007] Preferably, a conveying structure is provided on the inner wall of the top conveying trough of the spraying station, and the conveying structure includes a driving wheel rotatably connected to the inner wall of the spraying station, a conveyor belt transmission-connected to the driving wheel, a rotating column rotatably connected to the conveyor belt, a gear inserted into the bottom end of the rotating column, and a rack welded to the inner wall of the spraying station.

[0008] By adopting the above technical solution, the conveyor belt with a driving wheel belt is moved, so that the rotating column connected in rotation can be moved together. When the gear at the bottom moves to one end of the rack, the gear will mesh with the rack, so that the gear drives the rotating column to rotate, thereby achieving the goal of moving the workpiece while rotating the workpiece, so that the workpiece can be sprayed more evenly while moving and rotating, thereby improving the spraying effect.

[0009] Preferably, the heating wire is spirally wound and fixed on the overall inner wall of the paint storage bucket, and the connection position of the temperature sensor is at the center of the height of the paint storage bucket.

[0010] By adopting the above technical solution, the heating wire is fixed by spiral winding, so that the inside of the paint storage bucket can be evenly heated to improve the uniform temperature rise of the paint to ensure the overall fluidity consistency. At the same time, the temperature sensor is located in the center position to improve the accuracy of the overall stable detection.

[0011] Preferably, the liquid level sensor adopts an L-shaped sensor head, and the two ends of the sensor head are respectively located at the top and bottom of the paint storage bucket.

[0012] By adopting the above technical solution, the liquid level sensor with an L-shaped sensor head is used to detect displacement, so that the paint at different heights inside the paint storage bucket can be detected to provide real-time data to the PLC controller to ensure constant heating of the paint under different storage amounts.

[0013] Preferably, a protective cover is welded to the upper surface of the spraying station, a discharge pipe of the high-pressure pump extends to the inside of the protective cover, and the discharge pipe is connected to a spray head.

[0014] By adopting the above technical solution, the welding protective cover is used to shield when spraying paint using the spray head, thereby reducing the spraying range of the atomized paint and reducing the damage to the human body caused by paint dispersion.

[0015] Preferably, the length of the rack is the same as that of the protective cover, and the positions of the rack and the protective cover are aligned with each other.

[0016] By adopting the above technical solution, by using racks that are aligned in position and of the same length, the rotating column can be moved to the inside of the protective cover for rotation. When moving inside, the bottom gear will mesh and rotate with the rack at the same position to ensure rotation before and after spraying, achieving the effect of rotating while spraying, so as to improve the spraying effect and uniformity.

[0017] Preferably, the outer wall of the driving wheel is provided with a tooth groove, the inner wall of the conveyor belt is connected with teeth, and the teeth of the conveyor belt are engaged in the tooth groove of the driving wheel, and the driving wheel is divided into two groups of symmetrical structures connected to the conveyor belt.

[0018] By adopting the above technical solution, by using two sets of driving wheels to connect the conveyor belt, the middle position can be left open to facilitate the rotation of the rotating column. At the same time, the teeth on the tooth grooves and the conveyor belt are engaged and transmitted, so that the conveyor belt can be tightened and moved to improve the stability of the conveyed workpiece and reduce the amplitude of the movement and shaking to ensure the integrity of the surface after spraying.

[0019] Preferably, the spray heads are arranged at the center of the length of the two groups of protective covers, and the heights of the two groups of spray heads are at the top of the rotating column.

[0020] By adopting the above technical solution, the spray head arranged at the center of the protective cover can spray in all directions while moving and rotating, so as to improve the spraying effect.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] (1) A heating wire is usually installed on the inner wall of the paint storage barrel. The temperature sensor can be used to detect the internal temperature. The PLC controller can set the heating temperature, which can accurately control the temperature of the paint. The liquid level sensor can sense the amount of paint stored, so that the PLC controller can analyze and control the use of the heating wire to ensure constant temperature under different amounts of paint, so that the appropriate temperature can be set in different seasons and different paints, and the paint's optimal fluidity can be improved to ensure that the surface of the workpiece is sprayed evenly and without agglomeration after spraying;

[0023] (2) By using a conveyor belt with a driving wheel belt to move, the rotating column connected to the rotating column can be moved together. When the gear at the bottom moves to one end of the rack, the gear will mesh with the rack, so that the gear drives the rotating column to rotate, thereby achieving the goal of moving the workpiece while rotating the workpiece, so that the workpiece can be sprayed more evenly while moving and rotating, thereby improving the spraying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the device of the utility model;

[0025] Figure 2 This is a schematic diagram of the internal structure of the spraying station of the utility model;

[0026] Figure 3 It is a side sectional view of the overall structure of the device of the utility model;

[0027] Figure 4It is a side view of the conveying structure of the utility model;

[0028] Figure 5 For the utility model Figure 4 Enlarged view of the local structure.

[0029] In the figure: 1. Spraying station; 2. Paint storage bucket; 3. Heating wire; 4. Liquid level sensor; 5. Temperature sensor; 6. High-pressure pump; 7. PLC controller; 8. Spraying head; 9. Conveying structure; 901. Driving wheel; 902. Conveyor belt; 903. Rotating column; 904. Gear; 905. Rack; 10. Protective cover. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The following is combined with Figure 1-5 The utility model is described in further detail.

[0032] Embodiment 1

[0033] See also Figures 1 to 5 The utility model provides an embodiment: an automatic feeding device for a spraying line, comprising a spraying station 1, a paint storage bucket 2 is welded inside the spraying station 1, a heating wire 3 is arranged on the inner wall of the paint storage bucket 2, a liquid level sensor 4 is arranged inside the paint storage bucket 2, a temperature sensor 5 is threadedly connected to the inner wall of the paint storage bucket 2, a high-pressure pump 6 is bolted to the inner wall of the spraying station 1, the high-pressure pump 6 is connected to the inside of the paint storage bucket 2 by a pipeline, a PLC controller 7 is arranged inside the spraying station 1, and the input ends of the heating wire 3, the liquid level sensor 4, the temperature sensor 5 and the high-pressure pump 6 are connected to the PLC controller 7 The output end is connected to the paint storage bucket 2, and a heating wire 3 is usually installed on the inner wall of the paint storage bucket 2. The internal temperature can be detected by the temperature sensor 5. The heating temperature is set by the PLC controller 7, which can accurately control the temperature of the paint. The paint reserve can be sensed under the detection of the liquid level sensor 4, so that the PLC controller 7 can analyze and control the use of the heating wire 3 to ensure the constant temperature under different reserves of paint, so that the appropriate temperature can be set in different seasons and different paints, and the optimal fluidity of the paint can be improved to ensure that the surface of the workpiece is sprayed evenly and without caking after spraying.

[0034] Embodiment 2

[0035] See also Figures 1 to 5A conveying structure 9 is provided on the inner wall of the top conveying trough of the spraying station 1. The conveying structure 9 includes a driving wheel 901 rotatably connected to the inner wall of the spraying station 1, a conveying belt 902 transmission-connected to the driving wheel 901, a rotating column 903 rotatably connected to the conveying belt 902, a gear 904 plugged into the bottom end of the rotating column 903, and a rack 905 welded to the inner wall of the spraying station 1. By moving the conveying belt 902 with the driving wheel 901, the rotating column 903 connected to the rotation can be moved together. When the gear 904 at the bottom moves to one end of the rack 905, the gear 904 will mesh with the rack 905. , so that the gear 904 drives the rotating column 903 to rotate, so that the workpiece can be moved and rotated at the same time, so that the workpiece can be sprayed more evenly during movement and rotation, thereby improving the spraying effect. The heating wire 3 is spirally wound and fixed on the overall inner wall of the paint storage bucket 2. The connection position of the temperature sensor 5 is at the height center of the paint storage bucket 2. By fixing the heating wire 3 in a spirally wound position, the interior of the paint storage bucket 2 can be evenly heated to improve the uniform heating effect of the paint to ensure the overall fluidity consistency. At the same time, the temperature sensor 5 is located at the center position to improve the accuracy of the overall stable detection;

[0036] See also Figures 1 to 5 The liquid level sensor 4 adopts an L-shaped sensor head, and the two ends of the sensor head are respectively located at the top and bottom of the paint storage bucket 2. By using the liquid level sensor 4 with an L-shaped sensor head to detect displacement, the paint at different heights inside the paint storage bucket 2 can be detected to provide real-time data for the PLC controller 7 to ensure the constant heating of the paint under different storage amounts. A protective cover 10 is welded on the upper surface of the spraying station 1, and the discharge pipe of the high-pressure pump 6 extends to the inside of the protective cover 10, and the discharge pipe is connected to the spray head 8. The protective cover 10 is welded to block the spray head 8 when spraying paint, thereby reducing the spraying range of the atomized paint and reducing the damage to the human body caused by the dispersion of the paint.

[0037] Embodiment 3

[0038] See also Figures 1 to 5The length of the rack 905 is the same as the length of the protective cover 10, and the positions of the rack 905 and the protective cover 10 are aligned with each other. By using the rack 905 with the aligned positions and the same length, the rotating column 903 can be moved to the inside of the protective cover 10 for rotation. When moving to the inside, the bottom gear will mesh and rotate with the rack 905 in the same position to ensure rotation before and after spraying, so as to achieve the effect of rotating while spraying, so as to improve the effect and uniformity of spraying. The outer wall of the driving wheel 901 is provided with a tooth groove, and the inner wall of the conveyor belt 902 is connected with teeth, and the teeth of the conveyor belt 902 are meshed in the tooth groove of the driving wheel 901, and the driving wheel 90 1 is divided into two groups of symmetrical structures connected to the conveyor belt 902. By adopting two groups of driving wheels 901 to connect the conveyor belt 902, the middle position can be left open to facilitate the rotation of the rotating column 903. At the same time, the teeth on the tooth groove and the conveyor belt 902 are meshed and driven, so that the conveyor belt 902 can be tightened and moved to improve the stability of the conveyed workpiece and reduce the amplitude of the moving shaking to ensure the integrity of the surface after spraying. The spray head 8 is set at the center position of the length of the two groups of protective covers 10, and the height of the two groups of spray heads 8 is at the top of the rotating column 903. Through the spray head 8 set at the center position of the protective cover 10, it can spray in all directions during movement and rotation to improve the spraying effect.

[0039] Working principle: When in use, the workpiece is put on the top of the rotating column 903. When it moves to the inside of the protective cover 10, the gear 904 at the bottom moves to one end of the rack 905, and the gear 904 will mesh with the rack 905, so that the gear 904 drives the rotating column 903 and the workpiece to rotate, and the spray head 8 is used for spraying, so as to achieve rotating spraying while moving. At the same time, the temperature sensor 5 is used to detect the internal temperature, and the PLC controller 7 is used to set the heating temperature, which can accurately control the temperature of the paint, and the paint reserves can be sensed under the detection of the liquid level sensor 4, so that the PLC controller 7 can analyze and control the use of the heating wire 3 to ensure the constant temperature under different reserves of paint.

[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. An automatic feeding device for a spraying line, comprising a spraying station (1), characterized in that: A paint storage bucket (2) is welded inside the spraying station (1), a heating wire (3) is arranged on the inner wall of the paint storage bucket (2), a liquid level sensor (4) is arranged inside the paint storage bucket (2), a temperature sensor (5) is threadedly connected to the inner wall of the paint storage bucket (2), a high-pressure pump (6) is bolted to the inner wall of the spraying station (1), the high-pressure pump (6) is connected to the inside of the paint storage bucket (2) by a pipeline, a PLC controller (7) is arranged inside the spraying station (1), and the input ends of the heating wire (3), the liquid level sensor (4), the temperature sensor (5) and the high-pressure pump (6) are connected to the output end of the PLC controller (7).

2. The automatic feeding equipment for a spraying line according to claim 1, characterized in that: A conveying structure (9) is arranged on the inner wall of the top conveying trough of the spraying station (1), and the conveying structure (9) comprises a driving wheel (901) rotatably connected to the inner wall of the spraying station (1), a conveying belt (902) transmission-connected to the driving wheel (901), a rotating column (903) rotatably connected to the conveying belt (902), a gear (904) plugged into the bottom end of the rotating column (903), and a rack (905) welded to the inner wall of the spraying station (1).

3. The automatic feeding equipment for a spraying line according to claim 1, characterized in that: The heating wire (3) is spirally wound and fixed on the entire inner wall of the paint storage bucket (2), and the connection position of the temperature sensor (5) is located at the height center of the paint storage bucket (2).

4. The automatic feeding equipment for a spraying line according to claim 1, characterized in that: The liquid level sensor (4) adopts an L-shaped sensor head, and the two ends of the sensor head are respectively located at the top and bottom of the paint storage bucket (2).

5. The automatic feeding equipment for a spraying line according to claim 2, characterized in that: A protective cover (10) is welded to the upper surface of the spraying station (1), a discharge pipe of the high-pressure pump (6) extends into the interior of the protective cover (10), and the discharge pipe is connected to a spraying head (8).

6. The automatic feeding equipment for a spraying line according to claim 5, characterized in that: The length of the rack (905) is the same as that of the protective cover (10), and the positions of the rack (905) and the protective cover (10) are aligned with each other.

7. The automatic feeding equipment for a spraying line according to claim 2, characterized in that: The outer wall of the driving wheel (901) is provided with a tooth groove, the inner wall of the conveyor belt (902) is connected with teeth, and the teeth of the conveyor belt (902) are meshed in the tooth groove of the driving wheel (901), and the driving wheel (901) is divided into two groups of symmetrical structures connected to the conveyor belt (902).

8. The automatic feeding equipment for a spraying line according to claim 5, characterized in that: The spray heads (8) are arranged at the center of the length of the two sets of protective covers (10), and the height of the two sets of spray heads (8) is at the top of the rotating column (903).