Spraying apparatus for surface treatment of plastic bottle preforms

Abstract

The utility model discloses a spraying equipment for plastic bottle embryo surface treatment relates to bottle embryo processing technical field, it includes base, still includes: set up in the storage box on the base, and is provided with connecting pipeline in the storage box, the liquid outlet of connecting pipeline is provided with the pressurizing pump, and the liquid outlet of pressurizing pump is provided with the conveying pipeline, the one end of conveying pipeline away from pressurizing pump is communicated to have the extension pipeline, and the liquid outlet of extension pipeline is provided with the spray head, set up in the recovery mechanism for collecting paint liquid on the base, recovery mechanism contains with the fixed connection of base support plate, be provided with the flow guide bin on the support plate, and be provided with the flow guide groove on the flow guide bin, be provided with the filter board below the spray head fixedly on the flow guide bin, and the filter board is used for placing plastic bottle embryo. This spraying equipment for plastic bottle embryo surface treatment can spray plastic bottle embryo, and can collect paint liquid in the spraying process, improve resource utilization.

Description

Technical Field

[0001] This utility model relates to the field of bottle preform processing technology, specifically to a spraying device for surface treatment of plastic bottle preforms. Background Technology

[0002] Currently, with the continuous upgrading of the consumer market and increasingly stringent global environmental regulations, the surface treatment technology of plastic bottle preforms is undergoing profound changes, gradually evolving from the early single labeling process to a multi-functional coating technology. In the traditional process system, technologies such as heat transfer printing and screen printing are limited by their own inefficiencies and insufficient freedom of pattern design, making it difficult to meet the dual demands of the modern packaging industry for production efficiency and personalized customization. Therefore, they are gradually being replaced by the more advantageous spraying technology.

[0003] Spray coating technology, with its significant efficiency, powerful pattern customization capabilities, and unique advantages in achieving composite functional coatings such as scratch resistance, UV resistance, and high gloss, has rapidly become the mainstream technology in the field of plastic preform surface treatment. Modern spray coating equipment, by integrating high-voltage electrostatic generators, precision spray gun arrays, and intelligent automated control systems, not only achieves uniform coverage of the plastic preform surface coating but also precisely controls the coating thickness, ensuring the stability and consistency of product quality.

[0004] However, in actual painting operations, existing equipment lacks an efficient paint recovery mechanism, making it difficult to effectively collect and reuse splashed paint. This results in a large amount of raw materials being wasted, which not only increases the company's production costs but also runs counter to the current advocacy of green and sustainable development.

[0005] Therefore, in order to address the above problems, the applicant needs to design a spraying device for the surface treatment of plastic preforms. Utility Model Content

[0006] The purpose of this invention is to provide a spraying device for surface treatment of plastic preforms, in order to solve the problems mentioned in the background art above.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a spraying device for surface treatment of plastic bottle preforms, including a base. It also includes: a storage tank set on the base, and a connecting pipe is provided inside the storage tank. A pressure pump is provided at the liquid outlet end of the connecting pipe, and a delivery pipe is provided at the liquid outlet end of the pressure pump. An extension pipe is connected to the end of the delivery pipe away from the pressure pump, and a nozzle is provided at the liquid outlet end of the extension pipe. A recycling mechanism is installed on the base and is used to collect splashed paint. The recycling mechanism includes a support plate fixedly connected to the base. A flow guide chamber is provided on the support plate, and a flow guide groove is provided on the flow guide chamber. A filter plate located below the nozzle is fixedly installed on the flow guide chamber, and the filter plate is used to place plastic preforms.

[0008] Furthermore, a recycling box is fixedly installed above the base, and the recycling box is used to collect the paint liquid flowing down the guide channel.

[0009] Furthermore, a connecting pipe is fixedly connected to the recycling bin, and the end of the connecting pipe away from the recycling bin is fixedly connected to the storage bin.

[0010] Furthermore, an inclined plate is fixedly provided on the filter plate, and the included angle between the inclined plate and the filter plate is 120°.

[0011] Furthermore, a reinforcing plate is fixedly provided on the bottom surface of the inclined plate, and the reinforcing plate is fixedly connected to the outer surface of the flow guide chamber.

[0012] Furthermore, a baffle plate is fixedly installed on the flow guide chamber, and a fixing rod is fixedly installed on the baffle plate. A fixing plate is fixedly installed at the end of the fixing rod away from the baffle plate, and the fixing plate is fixedly connected to the extension pipe.

[0013] Furthermore, a support frame is fixedly installed on the bottom surface of the pressurizing pump, and the support frame is fixedly connected to the base.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the spraying equipment for surface treatment of plastic bottle preforms can spray plastic bottle preforms and collect the paint liquid during the spraying process, thereby improving resource utilization. The specific details are as follows: During use, this spraying equipment for surface treatment of plastic bottle preforms uses a pressure pump to draw paint from a storage tank. The paint is then transported to the nozzle via connecting pipes, the pressure pump, conveying pipes, and extension pipes, where it is atomized and sprayed onto the surface of the plastic bottle preforms placed on a filter plate. Excess paint that splashes or flows down from the bottle preforms during the spraying process is limited by a baffle plate and falls onto the filter plate and the inclined plate above it. The inclined plate guides the paint to the guide channel of the guide chamber. The waste paint collected in the guide channel then flows into the recycling tank below, and then automatically flows back to the storage tank through a connecting pipe. This achieves efficient recycling and reuse of the paint, significantly reducing waste and lowering costs. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 This utility model Figure 1 Enlarged structural diagram at point A; Figure 3 This utility model Figure 1 Enlarged structural diagram at point B; Figure 4 This is a three-dimensional structural diagram of the recycling mechanism of this utility model.

[0016] In the diagram: 1. Base; 2. Recycling mechanism; 10. Storage tank; 11. Connecting pipe; 12. Pressure pump; 13. Delivery pipe; 14. Extension pipe; 15. Nozzle; 16. Fixing rod; 17. Fixing plate; 18. Recycling tank; 19. Connecting pipe; 20. Flow guide chamber; 21. Flow guide channel; 22. Support plate; 23. Baffle plate; 24. Filter plate; 25. Inclined plate; 26. Reinforcing plate; 120. Support frame. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] like Figures 1-4 As shown, the spraying equipment for surface treatment of plastic bottle preforms of this utility model includes a base 1, and further includes: a storage tank 10 disposed on the base 1, and a connecting pipe 11 disposed inside the storage tank 10, a pressure pump 12 disposed at the liquid outlet end of the connecting pipe 11, and a conveying pipe 13 disposed at the liquid outlet end of the pressure pump 12, an extension pipe 14 connected to the end of the conveying pipe 13 away from the pressure pump 12, and a nozzle 15 disposed at the liquid outlet end of the extension pipe 14; and a recycling mechanism 2 disposed on the base 1, and the recycling mechanism 2 is used to collect the splashed paint liquid, the recycling mechanism 2 includes a support plate 22 fixedly connected to the base 1, a flow guide chamber 20 disposed on the support plate 22, a flow guide groove 21 disposed on the flow guide chamber 20, a filter plate 24 fixedly disposed on the flow guide chamber 20 below the nozzle 15, and the filter plate 24 is used to place the plastic bottle preform.

[0019] A recycling bin 18 is fixedly installed above the base 1, and the recycling bin 18 is used to collect the paint liquid flowing down from the guide channel 21. By setting the recycling bin 18 below the guide channel 21, the splashed paint liquid flowing down from the guide channel 21 is directly received and collected, realizing the centralized collection of waste paint liquid, reducing the waste and environmental pollution caused by paint liquid scattering around the equipment.

[0020] A connecting pipe 19 is fixedly connected to the recycling bin 18, and the end of the connecting pipe 19 away from the recycling bin 18 is fixedly connected to the storage bin 10. The recycling bin 18 and the storage bin 10 are directly connected through the connecting pipe 19, thus constructing a closed-loop recycling path for the paint liquid. The paint liquid collected in the recycling bin 18 can be automatically or conveniently returned to the storage bin 10 through this pipe, realizing the direct reuse of waste paint liquid.

[0021] An inclined plate 25 is fixedly installed on the filter plate 24, and the angle between the inclined plate 25 and the filter plate 24 is 120°. The inclined plate 25 at a specific angle can effectively guide the excess paint flowing down from the surface of the plastic preform or splashing onto the inclined plate 25 during the spraying process, so that it can smoothly slide down along the surface of the inclined plate 25 and flow into the guide chamber 20 below. This avoids the accumulation or dripping of paint in the area of ​​the filter plate 24 where the preform is placed, which would cause secondary pollution and waste. It further optimizes the path of the paint to the recycling system and improves the recycling efficiency.

[0022] A reinforcing plate 26 is fixedly installed on the bottom surface of the inclined plate 25, and the reinforcing plate 26 is fixedly connected to the outer surface of the flow guide chamber 20. The bottom of the inclined plate 25 is firmly connected to the outer wall of the flow guide chamber 20 through the reinforcing plate 26, which enhances the structural rigidity and stability of the inclined plate 25 and ensures the long-term stability and durability of the entire recycling mechanism 2.

[0023] A baffle plate 23 is fixedly installed on the flow guide chamber 20, and a fixing rod 16 is fixedly installed on the baffle plate 23. A fixing plate 17 is fixedly installed at the end of the fixing rod 16 away from the baffle plate 23, and the fixing plate 17 is fixedly connected to the extension pipe 14. The baffle plate 23 is located near the nozzle 15. Its function is to physically block the paint mist that may splash backward or sideways during spraying, confining the paint mist within the flow guide chamber 20 and causing it to eventually fall into the recycling system, reducing pollution and waste caused by paint mist escape. At the same time, the extension pipe 14 is rigidly connected to the baffle plate 23 by the fixing rod 16 and the fixing plate 17, which not only stabilizes the position of the nozzle 15 and ensures the spraying accuracy and consistency, but also makes the baffle plate 23 part of the support structure of the nozzle 15, optimizing the overall layout and stability of the equipment.

[0024] A support frame 120 is fixedly installed on the bottom surface of the pressure pump 12, and the support frame 120 is fixedly connected to the base 1. The pressure pump 12 is stably installed on the base 1 through the support frame 120, which enhances the stability of the pressure pump 12 during operation, effectively reduces the impact of its working vibration on the pipeline system, nozzle 15 and other components, and ensures that the pressure pump 12 can stably and reliably provide the required spraying pressure.

[0025] Working principle: When using this spraying equipment for surface treatment of plastic bottle preforms, the pressure pump 12 draws paint from the storage tank 10, and delivers it to the nozzle 15 through the connecting pipe 11, the pressure pump 12, the conveying pipe 13 and the extension pipe 14, where it is atomized and sprayed out to spray the surface of the plastic bottle preforms placed on the filter plate 24. During the spraying process, excess paint that splashes or flows down from the bottle preforms is limited in its splash range by the baffle plate 23 and falls onto the filter plate 24 and the inclined plate 25 above it. The inclined plate 25 guides the paint to the guide channel 21 of the guide chamber 20. The waste paint collected in the guide channel 21 then flows into the recycling tank 18 set below, and then automatically flows back to the storage tank 10 through the connecting pipe 19, thereby realizing the efficient recycling and reuse of paint, significantly reducing waste and lowering costs.

[0026] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A spraying device for surface treatment of plastic preforms, including a base (1). Its features are, Also includes: A storage tank (10) is provided on the base (1), and a connecting pipe (11) is provided inside the storage tank (10). A pressure pump (12) is provided at the liquid outlet end of the connecting pipe (11), and a delivery pipe (13) is provided at the liquid outlet end of the pressure pump (12). An extension pipe (14) is connected to the end of the delivery pipe (13) away from the pressure pump (12), and a nozzle (15) is provided at the liquid outlet end of the extension pipe (14). The recycling mechanism (2) is provided on the base (1) and is used to collect the splashed paint liquid. The recycling mechanism (2) includes a support plate (22) fixedly connected to the base (1). A flow guide chamber (20) is provided on the support plate (22) and a flow guide groove (21) is provided on the flow guide chamber (20). A filter plate (24) located below the nozzle (15) is fixedly provided on the flow guide chamber (20) and is used to place plastic preforms.

2. The spraying equipment for surface treatment of plastic bottle preforms according to claim 1, characterized in that: A recycling box (18) is fixedly installed above the base (1), and the recycling box (18) is used to collect the paint liquid flowing down from the guide channel (21).

3. The spraying equipment for surface treatment of plastic bottle preforms according to claim 2, characterized in that: The recycling bin (18) is fixedly connected to a connecting pipe (19), and the end of the connecting pipe (19) away from the recycling bin (18) is fixedly connected to the storage bin (10).

4. The spraying equipment for surface treatment of plastic bottle preforms according to claim 1, characterized in that: An inclined plate (25) is fixedly installed on the filter plate (24), and the included angle between the inclined plate (25) and the filter plate (24) is 120°.

5. The spraying equipment for surface treatment of plastic bottle preforms according to claim 4, characterized in that: A reinforcing plate (26) is fixedly provided on the bottom surface of the inclined plate (25), and the reinforcing plate (26) is fixedly connected to the outer surface of the flow guide chamber (20).

6. The spraying equipment for surface treatment of plastic bottle preforms according to claim 1, characterized in that: A baffle plate (23) is fixedly installed on the flow guide chamber (20), and a fixing rod (16) is fixedly installed on the baffle plate (23). A fixing plate (17) is fixedly installed at the end of the fixing rod (16) away from the baffle plate (23), and the fixing plate (17) is fixedly connected to the extension pipe (14).

7. The spraying equipment for surface treatment of plastic bottle preforms according to claim 1, characterized in that: The bottom surface of the pressurizing pump (12) is fixedly provided with a support frame (120), and the support frame (120) is fixedly connected to the base (1).

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