Double-station plastic dipping assembly line

By designing a dual-station dip coating production line, combining front and rear heating furnaces and dip coating equipment, the automated transfer and dip coating of products are realized, solving the problem of low automation in existing technologies and improving dip coating efficiency and coating formation stability.

CN224127732UActive Publication Date: 2026-04-17GUANGDONG HUANHUA ELECTROMECHANICAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG HUANHUA ELECTROMECHANICAL TECH CO LTD
Filing Date
2025-04-30
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing dip coating technology has a low degree of automation and low work efficiency, requiring manual placement of products one by one, resulting in low efficiency.

Method used

Design a dual-station dip coating production line that combines a front heating furnace, a rear heating furnace, a dip coating device, and loading/unloading tracks. Utilizes a positioning device and the boiling treatment of the vulcanizing plate to achieve automated product transfer and dip coating processing.

Benefits of technology

It improves the efficiency and quality of dip coating, and the product is fixed and stable in the dip coating powder tank. The vulcanizing plate below assists in boiling the powder, ensuring that the coating is formed stably and does not fall off.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224127732U_ABST
    Figure CN224127732U_ABST
Patent Text Reader

Abstract

The utility model discloses a double-station plastic dipping assembly line which comprises a front section heating furnace, a rear section heating furnace, a plastic dipping device and a feeding and discharging track, a positioning device is arranged between the rear end of the front section heating furnace and the front end of the rear section heating furnace, and the plastic dipping device is located on one side of the positioning device. The plastic dipping device comprises a plastic dipping support, a plastic dipping powder barrel, a vulcanization plate, a hydraulic cylinder and a pressing air cylinder, the plastic dipping powder barrel is located at the lower end of the plastic dipping support, the vulcanization plate is installed at the lower end of the plastic dipping powder barrel, a plurality of vulcanization holes are distributed in the vulcanization plate, and the hydraulic cylinder is located at the lower end of the hydraulic cylinder. The pressing air cylinder is connected to the driving end of the hydraulic cylinder, and the driving end of the pressing air cylinder is connected with a pressing end. According to the double-station plastic dipping production line, a product is put into the powder barrel for plastic dipping processing, the stability of the position is kept by pressing on the upper portion, the vulcanizing plate assists in boiling powder on the lower portion, plastic dipping forming is accelerated, and a coating of a processed finished product is stable and does not fall off.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the technical field of dip coating, and in particular to a dual-station dip coating production line. Background Technology

[0002] Dip coating, also known as plastic coating, hot dip coating, or hot-applied plastic coating, is a plastic coating process. Depending on the raw materials used, it can be divided into liquid dip coating and powder dip coating. Current dip coating methods involve directly placing individual products into a powder container for molding, resulting in low automation and efficiency. It requires manual labor to place stacked products one by one into the dip coating equipment. Utility Model Content

[0003] One objective of this invention is to provide a dual-station dip coating production line that automatically transfers products into the dip coating device and improves the efficiency and quality of dip coating through the boiling treatment of the vulcanizing plate.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] A dual-station dip coating production line includes a front heating furnace, a rear heating furnace, a dip coating device, and a loading / unloading track. A positioning device is provided between the rear end of the front heating furnace and the front end of the rear heating furnace. The dip coating device is located on one side of the positioning device. The loading / unloading track is located between the front end of the front heating furnace and the rear end of the rear heating furnace. The dip coating device includes a dip coating support, a dip coating powder tank, a vulcanizing plate, a hydraulic cylinder, and a pressing cylinder. The dip coating powder tank is located at the lower end of the dip coating support. The vulcanizing plate is installed at the lower end of the dip coating powder tank and has a plurality of vulcanizing holes distributed on it. The pressing cylinder is connected to the drive end of the hydraulic cylinder, and a pressing end is connected to the drive end of the pressing cylinder.

[0006] As a preferred technical solution, the rear end of the dip-coating powder tank is provided with a return air hole, and powder inlet holes are installed on both sides of the return air hole. A powder inlet box is connected to the powder inlet hole, and air outlet holes are provided on both sides of the dip-coating powder tank.

[0007] As a preferred technical solution, a spray pipe is arranged around the upper part of the inside of the dip-coating powder tank.

[0008] As a preferred technical solution, a mounting plate is connected to the drive end of the hydraulic cylinder, a guide rod is provided inside the dip-coated bracket along the vertical direction, the mounting plate slides on the guide rod, and the clamping cylinder is fixed on the mounting plate.

[0009] As a preferred technical solution, a return air fan is provided at the rear end of the dip-coated bracket, the air outlet of the return air fan is connected to the return air hole, and a pipe is connected between the air inlet of the return air fan and the air outlet.

[0010] As a preferred technical solution, both the front heating furnace and the rear heating furnace include a heating support, the heating support is covered with a furnace cavity, and a transmission chain rotates on both sides of the heating support.

[0011] As a preferred technical solution, the positioning device includes an intermediate conveying track and a positioning cylinder. The positioning cylinder is located on one side of the middle part of the intermediate conveying track, and a T-shaped protrusion is provided at the driving end of the positioning cylinder.

[0012] As a preferred technical solution, a transfer bracket is provided on one side of the positioning device, a slide rail is fixed laterally on the transfer bracket, a moving platform slides on the slide rail, a steering cylinder is installed on the moving platform, and a pneumatic gripper is connected to the drive end of the steering cylinder.

[0013] As a preferred technical solution, a transfer motor is provided on one side of the transfer bracket, the drive end of the transfer motor is connected to a transfer screw, and a transfer nut is fixed on one side of the moving table, the transfer nut being threaded onto the transfer screw.

[0014] As a preferred technical solution, transfer supports are provided at both ends of the front and rear sections of the front heating furnace and at both ends of the rear heating furnace. Transfer cylinders are installed on the transfer supports. The drive ends of the transfer cylinders are connected to transfer plates. Transfer cylinders are installed on the transfer plates. Transfer tracks are connected to the drive ends of the transfer cylinders.

[0015] The beneficial effects of this utility model are as follows: It provides a dual-station dip coating production line, which puts the product into the powder tank for dip coating processing. The upper clamping mechanism maintains the stability of the position, while the lower vulcanizing plate assists in boiling the powder, which accelerates the dip coating process and ensures that the coating of the finished product is stable and does not fall off. Attached Figure Description

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a schematic diagram of the overall structure of a dual-station dip coating production line as described in the embodiment;

[0018] Figure 2 This is a schematic diagram of the transfer support described in the embodiment;

[0019] Figure 3 This is a schematic diagram of the positioning device described in the embodiment;

[0020] Figure 4 This is a first structural schematic diagram of the dip-coating apparatus described in the embodiment;

[0021] Figure 5 This is a schematic diagram of the second structure of the dip-coating device described in the embodiment;

[0022] Figure 6 This is a perspective sectional view of the dip-coating powder bucket described in the embodiment.

[0023] Figures 1 to 6 middle:

[0024] 1. Front heating furnace; 2. Rear heating furnace; 3. Dip coating device; 4. Loading and unloading track; 5. Positioning device; 6. Dip coating support; 7. Dip coating powder tank; 8. Vulcanizing plate; 9. Hydraulic cylinder; 10. Clamping cylinder; 11. Clamping end; 12. Return air hole; 13. Powder inlet hole; 14. Powder inlet box; 15. Spray pipe; 16. Mounting plate; 17. Guide rod; 18. Return air fan; 19. Pipeline; 20. Heating support; 21. Furnace cavity; 22. Intermediate conveying track; 23. Positioning cylinder; 24. T-shaped convex plate; 25. Transfer support; 26. Slide rail; 27. Moving table; 28. Steering cylinder; 29. ​​Pneumatic gripper; 30. Transfer motor; 31. Transfer screw; 32. Transfer support; 33. Front and rear transfer cylinders; 34. Left and right transfer cylinders; 35. Transfer track; 36. Carrier. Detailed Implementation

[0025] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0026] like Figures 1 to 6 As shown in this embodiment, a dual-station dip coating production line includes a front heating furnace 1, a rear heating furnace 2, a dip coating device 3, and a loading / unloading track 4. A positioning device 5 is provided between the rear end of the front heating furnace 1 and the front end of the rear heating furnace 2. The dip coating device 3 is located on one side of the positioning device 5. The loading / unloading track 4 is located between the front end of the front heating furnace 1 and the rear end of the rear heating furnace 2. The dip coating device 3 includes a dip coating support 6, a dip coating powder tank 7, a vulcanizing plate 8, a hydraulic cylinder 9, and a pressing cylinder 10. The dip coating powder tank 7 is located at the lower end of the dip coating support 6. The vulcanizing plate 8 is installed at the lower end of the dip coating powder tank 7. A plurality of vulcanizing holes are distributed on the vulcanizing plate 8. The pressing cylinder 10 is connected to the driving end of the hydraulic cylinder 9. A pressing end head 11 is connected to the driving end of the pressing cylinder 10.

[0027] The product is placed on the carrier 36, which is then fed into the loading and unloading track 4. After being heated by the front heating furnace 1, the product reaches the position of the positioning device 5. The product from the two workstations is then transferred from the carrier 36 into the dip coating device 3. The hydraulic cylinder 9 controls the pressing cylinder 10 to move down. The pressing cylinder 10 fixes the product in the dip coating powder tank 7 through the pressing end 11 for dip coating processing. The vulcanizing plate 8 generates sulfur gas through the vulcanizing holes, causing boiling in the dip coating powder tank 7 and improving the molding structure of the dip coating process.

[0028] The rear end of the dip-coating powder tank 7 is provided with a return air hole 12, and powder inlet holes 13 are installed on both sides of the return air hole. A powder inlet box 14 is connected to the powder inlet hole 13. Air outlet holes are provided on both sides of the dip-coating powder tank 7. The gas generated in the dip-coating powder tank 7 is drawn out through the air outlet holes and then returned to the dip-coating powder tank 7 through the return air hole 12. When the powder in the dip-coating powder tank 7 is low, it is replenished through the powder inlet hole 13.

[0029] The upper part of the inside of the dip coating powder tank 7 is surrounded by a spray pipe 15, which assists the dip coating process and provides power.

[0030] A mounting plate 16 is connected to the drive end of the hydraulic cylinder 9. A guide rod 17 is arranged vertically inside the dip-coated bracket 6. The mounting plate 16 slides on the guide rod 17. The clamping cylinder 10 is fixed on the mounting plate 16. When the hydraulic cylinder 9 controls the up and down movement of the clamping cylinder 10, it is driven by the mounting plate 16, and the guide rod 17 provides vertical guidance.

[0031] A return air fan 18 is provided at the rear end of the dip-coating support 6. The air outlet of the return air fan 18 is connected to the return air hole 12. A pipe 19 is connected between the air inlet and the air outlet of the return air fan 18. The return air fan 18 provides power so that the extracted gas returns to the dip-coating powder tank 7.

[0032] Both the front heating furnace 1 and the rear heating furnace 2 include a heating support 20. The heating support 20 is covered with a furnace cavity 21. A transmission chain rotates on both sides of the heating support 20. The furnace cavity 21 heats the product on the transmission chain to prepare for subsequent dip coating. The transmission chain is driven by a motor, a motor shaft, and gears.

[0033] The positioning device 5 includes an intermediate conveying track 22 and a positioning cylinder 23. The positioning cylinder 23 is located on one side of the middle of the intermediate conveying track 22. A T-shaped protrusion 24 is provided on the driving end of the positioning cylinder 23. A transfer bracket 25 is provided on one side of the positioning device 5. A slide rail 26 is horizontally fixed on the transfer bracket 25. A moving platform 27 slides on the slide rail 26. A steering cylinder 28 is installed on the moving platform 27. A pneumatic gripper 29 is connected to the driving end of the steering cylinder 28. A transfer motor 30 is provided on one side of the transfer bracket 25. The driving end of the transfer motor 30... A transfer screw 31 is connected to the moving table 27, and a transfer nut is fixed on one side of the moving table 27. The transfer nut is threaded onto the transfer screw 31. The transfer motor 30 provides power to drive the transfer screw 31 to rotate. The moving table 27 with the transfer nut moves closer to and further away from the transfer bracket 25 under the action of the slide rail 26. When the intermediate conveying track 22 moves the carrier 36 to the middle, the positioning cylinder 23 controls the T-shaped protrusion 24 to insert into the notch on one side of the carrier 36. After stabilizing the carrier 36, the pneumatic gripper 29 grabs the product and puts it into the dip coating device 3.

[0034] Transfer supports 32 are provided at both ends of the front heating furnace 1 and the rear heating furnace 2. Transfer cylinders 33 are installed on the transfer supports 32. The drive end of the transfer cylinders 33 is connected to a transfer plate. Transfer cylinders 34 are installed on the transfer plate. The drive end of the transfer cylinders 34 is connected to a transfer track 35. When the carrier 36 is transferred between the front heating furnace 1, the rear heating furnace 2, the loading and unloading track 4 and the intermediate conveying track 22, the transfer cylinders 33 and the transfer cylinders 34 drive the transfer track 35 together to output the carrier 36.

[0035] It should be stated that the above-described specific embodiments are merely preferred embodiments of this utility model and the technical principles applied thereto. Within the scope of the technology disclosed in this utility model, any variations or substitutions that are easily conceived by those skilled in the art should be covered within the protection scope of this utility model.

Claims

1. A twin station dip molding flow line characterized by, The device includes a front heating furnace, a rear heating furnace, a dip coating device, and a loading / unloading track. A positioning device is provided between the rear end of the front heating furnace and the front end of the rear heating furnace. The dip coating device is located on one side of the positioning device. The loading / unloading track is located between the front end of the front heating furnace and the rear end of the rear heating furnace. The dip coating device includes a dip coating support, a dip coating powder tank, a vulcanizing plate, a hydraulic cylinder, and a pressing cylinder. The dip coating powder tank is located at the lower end of the dip coating support. The vulcanizing plate is installed at the lower end of the dip coating powder tank and has several vulcanizing holes distributed on it. The pressing cylinder is connected to the drive end of the hydraulic cylinder, and a pressing end is connected to the drive end of the pressing cylinder.

2. A twin station dip molding assembly as defined in claim 1 wherein, The rear end of the dip-coating powder tank is provided with a return air hole, and powder inlet holes are installed on both sides of the return air hole. A powder inlet box is connected to the powder inlet hole, and air outlet holes are provided on both sides of the dip-coating powder tank.

3. A twin station dip molding assembly as defined in claim 1 wherein, The upper part of the inside of the dip-coating powder tank is surrounded by spray pipes.

4. A twin station dip molding assembly as defined in claim 1 wherein, A mounting plate is connected to the drive end of the hydraulic cylinder. A guide rod is provided inside the dip-coated bracket along the vertical direction. The mounting plate slides on the guide rod, and the clamping cylinder is fixed on the mounting plate.

5. A twin station dip molding assembly as defined in claim 2 wherein, A return air fan is provided at the rear end of the dip-coated bracket. The air outlet of the return air fan is connected to the return air hole, and a pipe is connected between the air inlet of the return air fan and the air outlet.

6. A twin station dip molding assembly as defined in claim 1 wherein, Both the front heating furnace and the rear heating furnace include a heating support, the heating support is covered with a furnace cavity, and a transmission chain rotates on both sides of the heating support.

7. A twin station dip molding assembly as defined in claim 1 wherein, The positioning device includes an intermediate conveying track and a positioning cylinder. The positioning cylinder is located on one side of the middle part of the intermediate conveying track, and a T-shaped protrusion is provided on the driving end of the positioning cylinder.

8. A twin station dip molding assembly as defined in claim 1 wherein, A transfer bracket is provided on one side of the positioning device. A slide rail is fixed horizontally on the transfer bracket. A moving platform slides on the slide rail. A steering cylinder is installed on the moving platform. A pneumatic gripper is connected to the drive end of the steering cylinder.

9. A twin station dip molding assembly as defined in claim 8 wherein, A transfer motor is provided on one side of the transfer bracket, and a transfer screw is connected to the drive end of the transfer motor. A transfer nut is fixed on one side of the moving table, and the transfer nut is threaded onto the transfer screw.

10. The dual station dip molding assembly of claim 1 wherein, Transfer supports are provided at both ends of the front and rear sections of the heating furnace and at both ends of the rear section of the heating furnace. Transfer cylinders are installed on the transfer supports. The drive ends of the transfer cylinders are connected to transfer plates. Transfer cylinders are installed on the transfer plates. Transfer tracks are connected to the drive ends of the transfer cylinders.