Leakage protector shell hydrophobic coating spraying device

By designing an automated spraying device and using a vacuum suction cup and a rotary cylinder to achieve automated spraying of the leakage protector shell, the problems of uneven spraying and low efficiency are solved, and uniform hydrophobic coating spraying and efficient production are achieved.

CN223440131UActive Publication Date: 2025-10-17SUZHOU YUFAN ENG PLASTICS CO LTD
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Patent Information

Application Number
CN202421703990.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-10-17
Estimated Expiration
2034-07-18

AI Technical Summary

Technical Problem

When spraying the hydrophobic coating on the housing of the leakage protector, the existing spraying device has the problems of uneven spraying and low efficiency, especially the front and back sides of the workpiece need to be manually sprayed.

Method used

A spraying device is designed, which includes a table, a slide, a placement rack, a first spraying mechanism and a second spraying mechanism. The workpiece is adsorbed by a vacuum suction cup, and the movement and rotation of the slide and the rotary cylinder are combined to realize automatic spraying of the workpiece, ensuring uniform spraying on all surfaces.

Benefits of technology

The automated spraying of the hydrophobic coating on the leakage protector shell is realized, which improves the spraying efficiency, ensures the uniformity and hydrophobic performance of the coating, avoids manual re-spraying, and greatly improves the spraying effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223440131U_ABST
Patent Text Reader

Abstract

The utility model provides a hydrophobic coating spraying device for a shell of a leakage protector. The hydrophobic coating spraying device comprises a table top, a sliding seat, a placing frame, a first spraying mechanism and a second spraying mechanism, the table board is provided with four working positions from left to right; the sliding base is arranged on the table top in a sliding mode and can move among four working positions, a rotating air cylinder is arranged in the middle of the sliding base, and the driving end of the rotating air cylinder faces upwards. The placing frame is arranged at the driving end of the rotating air cylinder, and a plurality of vacuum suction cups are arranged on the placing frame; the first spraying mechanism and the second spraying mechanism are arranged on the second working position and the third working position of the table top respectively. According to the utility model, the placement rack with the vacuum chuck is arranged to stably adsorb the injection molding part, the movement and rotation of the placement rack are realized through the sliding seat and the rotating cylinder, and the first spraying mechanism and the second spraying mechanism are matched to realize the spraying of each surface of the injection molding part, so that the spraying work is automatic, manual supplementary spraying is not needed, and the spraying efficiency is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to spraying device technical field, in particular to a kind of hydrophobic coating spraying device of leakage protector shell. BACKGROUND

[0002] Leakage protector is used to cut off power supply rapidly when leakage occurs in circuit, to protect personal safety and normal operation of electrical equipment. It is designed to need to have waterproof function, to avoid short circuit or leakage to cause safety accident.

[0003] In order to enhance its waterproof function, our company has made many improvements on shell structure: various sealing elements are arranged at the connecting holes of key, indicator light and the like, to achieve isolation of inner and outer spaces, to avoid water vapor into the interior; The top surface of the shell is provided as an inclined surface, so that water vapor is gathered and dripped, and a water-blocking structure is provided on the connecting hole, to avoid water vapor gathering and corroding the sealing element; Hydrophobic coating is sprayed on the outer surface of the shell, which cooperates with the inclined surface of the top and bottom to make water vapor gather and drip faster.

[0004] When spraying hydrophobic coating on the outer surface of the shell, the conventional way is manual spraying, which has the problems of uneven spraying and low efficiency. The existing technology also has some automatic spraying devices, including a conveying belt, a top spraying assembly and a side spraying assembly, which can spray the top and side of the workpiece during conveying. However, the front and rear sides of the workpiece need to be sprayed additionally.

[0005] Therefore, it is necessary to improve the existing technology. INVENTION CONTENTS

[0006] The utility model provides a kind of leakage protector shell hydrophobic coating spraying device to solve the above problems.

[0007] One of the technical solutions adopted by the utility model is to provide a leakage protector shell hydrophobic coating spraying device, which includes a table top, a sliding seat, a placing rack, a first spraying mechanism and a second spraying mechanism.

[0008] The table top has four working positions from left to right, and the first and fourth working positions are used to place and take injection molded parts, and the second and third working positions are used to spray injection molded parts.

[0009] The sliding seat is slidingly arranged on the table top and can move between the four working positions. A rotary air cylinder is arranged in the middle of the sliding seat, and the driving end is upward.

[0010] The placing rack is arranged at the driving end of the rotary air cylinder, and a plurality of vacuum suction cups are arranged on the placing rack for adsorbing injection molded parts.

[0011] The first spraying mechanism and the second spraying mechanism are arranged on the second and third working positions of the table top, respectively.

[0012] Initially, the slide is located at the first working position, the injection-molded part is placed on the placement rack, the vacuum suction cup absorbs the injection-molded part, the slide moves to the right, passes through the second working position, and the first spraying mechanism sprays the top and bottom surfaces of the injection-molded part. After the placement rack rotates ninety degrees and passes through the third working position, the second spraying mechanism sprays the two sides of the injection-molded part. The slide goes to the fourth working position, the injection-molded part is taken out, and the slide and placement rack are reset.

[0013] Furthermore, the first spraying mechanism includes a first connecting frame, an upper spraying assembly and a first side spraying assembly. The upper spraying assembly is slidably arranged on the upper section of the first connecting frame and has a plurality of downward upper spray heads. The first side spraying assembly is arranged in the middle section of the first connecting frame and has a plurality of inclined spray heads pointing to the top and bottom surfaces of the injection molded part.

[0014] Furthermore, the upper spraying assembly includes a crossbeam, which is slidably arranged on the upper section of the first connecting frame. The upper nozzle is detachably connected to the crossbeam, and can adapt to injection molded parts of different sizes by increasing or decreasing the number of nozzles and adjusting the position of the nozzles.

[0015] Furthermore, a T-shaped slide groove is provided at the bottom of the crossbeam, and the end of the upper nozzle has a side wing which is slidably provided in the T-shaped slide groove.

[0016] Furthermore, the first side spraying assembly includes an oblique fixing block, which is fixed to the first connecting frame by screws, and can be adapted to the injection molded part by replacing oblique fixing blocks of different sizes.

[0017] Furthermore, the end of the inclined nozzle has a side wing, which is fixed to the inclined fixing block by screws.

[0018] Furthermore, the second spraying mechanism includes a second connecting frame and a second side spraying assembly. A driving cylinder is provided on the inner side of the second connecting frame with the driving end facing inward. The second side spraying assembly is provided at the driving end of the driving cylinder and has a plurality of side spray heads pointing to the two sides of the injection molded part.

[0019] Furthermore, the second side spraying assembly includes a side fixing block, which is arranged at the driving end of the driving cylinder. A T-shaped slide groove is arranged on the inner side of the side fixing block, and the end of the side spray head has a side wing, which is slidably arranged in the T-shaped slide groove.

[0020] The beneficial effects of the hydrophobic coating spraying device for the leakage protector shell of the utility model are:

[0021] 1. A placement rack with a vacuum suction cup is set up to stably absorb the injection molded parts. The movement and rotation of the placement rack are achieved through the slide and the rotary cylinder. It cooperates with the first and second spraying mechanisms to realize the spraying of various surfaces of the injection molded parts, making the spraying work automated and eliminating the need for manual re-spraying. This greatly improves the spraying efficiency and ensures that the hydrophobic coating of the leakage protector shell is sprayed evenly with excellent hydrophobic performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a front view of a hydrophobic coating spraying device for a leakage protector housing according to the first embodiment of the present utility model;

[0023] Figure 2 This is a top view of a hydrophobic coating spraying device for a leakage protector housing according to the first embodiment of the present utility model (position of the first spraying mechanism);

[0024] Figure 3 This is a top view of a hydrophobic coating spraying device for a leakage protector housing according to the first embodiment of the present utility model (position of the second spraying mechanism);

[0025] Figure 4 This is a side view of the first spraying mechanism in the first embodiment of the present utility model;

[0026] Figure 5 This is a side view of the second spraying mechanism in the first embodiment of the present utility model;

[0027] Figure 6 This is a top view of the placement rack in the first embodiment of the present utility model;

[0028] The components in the accompanying drawings are marked as follows: 1. Table, 2. Slide, 3. Placement rack, 4. First spraying mechanism, 5. Second spraying mechanism, 6. Injection molded part, 21. Rotating cylinder, 31. Vacuum suction cup, 41. First connecting frame, 42. Beam, 43. Upper nozzle, 44. Oblique fixing block, 45. Oblique nozzle, 51. Second connecting frame, 52. Side fixing block, 53. Side nozzle. DETAILED DESCRIPTION

[0029] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0030] In the description of the utility model, it is understood that the terms "upper", "lower", "left", "right", "front", "rear", "horizontal", "vertical", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model, and cannot indicate or imply that the components or elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.

[0031] Please refer to Figures 1 to 6 The utility model discloses a kind of leakage protector shell hydrophobic coating spraying devices of first embodiment, comprising: table top 1, table top 1 has four working positions from left to right, first and fourth working positions are used to place and take injection molding 6, second and third working positions are used to spray injection molding 6;

[0032] Slide 2 is slidably arranged on table top 1, and can be moved between the four working positions, and a rotary cylinder 21 is arranged in the middle of slide 2, with the driving end upward, and a placing rack 3 is arranged above, for placing shell injection molding 6, and the position and direction of injection molding 6 are adjusted by moving slide 2 and rotating rotary cylinder 21.

[0033] Four vacuum chucks 31 are arranged on the placing rack 3, respectively located at the four corners of the placing rack 3, for adsorbing injection molding 6, to ensure the position stability of injection molding 6 during moving and spraying.

[0034] First spraying mechanism 4 and second spraying mechanism 5 are further arranged on table top 1, respectively located at second and third working positions, for spraying each outer surface of injection molding 6.

[0035] First spraying mechanism 4 includes first connecting frame 41, upper spraying assembly and first side spraying assembly, the upper spraying assembly is slidably arranged on the upper segment of first connecting frame 41, with five downward upper nozzles 43, the first side spraying assembly is arranged in the middle segment of first connecting frame 41, with two inclined nozzles 45 pointing to the top surface or bottom surface of injection molding 6, and the spraying direction is perpendicular to the to-be-sprayed area.

[0036] Second spraying mechanism 5 includes second connecting frame 51 and second side spraying assembly, and a driving cylinder is arranged on the inner side of second connecting frame 51, with the driving end inward, and the second side spraying assembly is arranged on the driving end of the driving cylinder, with two side nozzles 53 pointing to the two side surfaces of injection molding 6.

[0037] The initial slide is located in the first working position, the injection molded part is placed on the placing rack, the vacuum chuck adsorbs the injection molded part, the slide moves to the right, passes through the second working position, the first spraying mechanism sprays the top and bottom surfaces of the injection molded part, the placing rack rotates by 90 degrees after the injection molded part leaves the spraying range, then passes through the third working position, the second spraying mechanism sprays the two side surfaces of the injection molded part, and then the slide reaches the fourth working position to take the injection molded part, and the slide and the placing rack are reset.

[0038] Specifically, the front end of each working position is provided with a corresponding position sensing device, so that the controller can determine the position of the injection molded part 6 in time, and the controller controls the movement of the injection molded part 6, and controls the actions of the spraying mechanism and the rotary cylinder 21 according to the position of the injection molded part 6.

[0039] The upper spraying assembly includes a cross beam 42 and upper spray heads 43, the cross beam 42 is slidably arranged on the upper segment of the first connecting frame 41 and can be lifted and lowered, the bottom of the cross beam 42 is provided with five detachable upper spray heads 43, the spray heads are directed to the surface of the injection molded part 6, and the upper spray heads 43 are slidably arranged on the bottom of the cross beam 42, and the number of spray heads can be increased or decreased and the position of the spray heads can be adjusted to adapt to injection molded parts 6 of different sizes.

[0040] Specifically, the bottom of the cross beam 42 is provided with a T-shaped sliding groove, and the end of the upper spray head 43 has a side wing which is slidably arranged in the T-shaped sliding groove.

[0041] Specifically, four limit blocks are further arranged in the T-shaped sliding groove, the end of the limit block also has a side wing which is slidably arranged in the T-shaped sliding groove, and the limit blocks are distributed between the upper spray heads 43 at intervals and are used for limiting the position of the spray heads, the number of limit blocks can be adjusted according to the number of upper spray heads 43, and the spacing between the upper spray heads 43 can also be adjusted by limit blocks of different widths.

[0042] The first side spraying assembly includes an inclined fixed block 44 and an inclined spray head 45, the inclined fixed block 44 is locked on the first connecting frame 41 by screws, and two inclined spray heads 45 are arranged on the inclined surface of the inclined fixed block 44, the inclined surface is parallel to the inclined surface to be sprayed of the injection molded part 6, and different sizes of the inclined fixed block 44 can be replaced to adapt to the size of the injection molded part 6.

[0043] Specifically, the end of the inclined spray head 45 has a side wing, and the side wing has a through hole which is locked on the inclined fixed block 44 by a screw.

[0044] The second side spraying assembly includes a side fixed block 52 and a side spray head 53, the side fixed block 52 is arranged on the driving end of the driving cylinder, the inner side of the side fixed block 52 is provided with a T-shaped sliding groove, and two side spray heads 53 are slidably arranged in the T-shaped sliding groove.

[0045] Specifically, the end of the side spray head 53 has a side wing which is slidably arranged in the T-shaped sliding groove, and the spacing between the spray heads is also controlled by limit blocks.

[0046] Specifically, the lower end of the T-shaped sliding groove in the inner side of the side fixing block 52 is closed, the side nozzle 53 is put into the upper end, the number of the side nozzle 53 is adjusted according to actual needs, and the position and spacing of the side nozzle 53 are adjusted through the limiting block.

[0047] In another embodiment of the utility model, the slope of the oblique fixing block 44 is also provided with a T-shaped sliding groove with a closed lower end, the oblique nozzle 45 is slidably arranged in the T-shaped sliding groove of the slope, and the position and spacing are adjusted by the limiting block, and the rest of the design is the same as the first embodiment.

[0048] The utility model discloses a kind of beneficial effects of the drain protector shell hydrophobic coating spraying device:

[0049] 1, setting up the stable adsorption injection molding part of placing rack with vacuum chuck, the movement and rotation of placing rack are realized by sliding seat and rotary cylinder, and the surface of injection molding part is realized by cooperation with first, second spraying mechanism to spray, make spraying work automation, need not manual supplement spray, greatly improve the efficiency of spraying, make the hydrophobic coating of drain protector shell spray evenly, and hydrophobic performance is excellent.

[0050] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A hydrophobic coating spraying device for a leakage protector housing, characterized in that: include: Table, slide, rack, first spraying mechanism and second spraying mechanism; The table has four working positions from left to right; The slide is slidably arranged on the table and can move between four working positions. A rotary cylinder is arranged in the middle of the slide, with the driving end facing upwards. The placement rack is arranged at the driving end of the rotary cylinder, and a plurality of vacuum suction cups are arranged on the placement rack; The first spraying mechanism and the second spraying mechanism are respectively arranged on the second and third working positions of the table.

2. A hydrophobic coating spraying device for a leakage protector housing according to claim 1, characterized in that: The first spraying mechanism includes a first connecting frame, an upper spraying assembly and a first side spraying assembly. The upper spraying assembly is slidably arranged in the upper section of the first connecting frame and has a plurality of downward upper spray heads. The first side spraying assembly is arranged in the middle section of the first connecting frame and has a plurality of inclined spray heads pointing to the top and bottom surfaces of the injection molded part.

3. A hydrophobic coating spraying device for a leakage protector housing according to claim 2, characterized in that: The upper spraying assembly includes a crossbeam, which is slidably arranged on the upper section of the first connecting frame, and the upper spray head is detachably connected to the crossbeam.

4. A hydrophobic coating spraying device for a leakage protector housing according to claim 3, characterized in that: A T-shaped slide groove is provided at the bottom of the crossbeam, and the end of the upper nozzle has a side wing which is slidably arranged in the T-shaped slide groove.

5. A hydrophobic coating spraying device for a leakage protector housing according to any one of claims 2 or 3, characterized in that: The first side spraying assembly includes an oblique fixing block and an oblique spray head. The oblique fixing block is fixed on the first connecting frame by screws, and the oblique spray head is arranged on the oblique surface of the oblique fixing block.

6. A hydrophobic coating spraying device for a leakage protector housing according to claim 5, characterized in that: The end of the inclined spray head is provided with a side wing which is fixed on the inclined fixing block by screws.

7. A hydrophobic coating spraying device for a leakage protector housing according to any one of claims 1 to 3, characterized in that: The second spraying mechanism includes a second connecting frame and a second side spraying assembly. A driving cylinder is provided on the inner side of the second connecting frame with the driving end facing inward. The second side spraying assembly is provided at the driving end of the driving cylinder and has a plurality of side spray heads pointing to the two sides of the injection molded part.

8. The hydrophobic coating spraying device for a leakage protector housing according to claim 7, characterized in that: The second side spraying assembly includes a side fixing block and a side spray head. The side fixing block is arranged at the driving end of the driving cylinder. A T-shaped slide groove is arranged on the inner side of the side fixing block. The end of the side spray head has a side wing and is slidably arranged in the T-shaped slide groove.