Galvanized steel sheet surface cleaning device

By designing a surface cleaning device for galvanized steel sheets, utilizing the structure of an inlet guide plate, an inner guide plate, and an outlet guide plate, combined with a dry sandblasting machine and a blower, the problem of incomplete cleaning caused by uneven spraying from the nozzles was solved, achieving uniform cleaning of the galvanized steel sheet surface and efficient removal of solid deposits.

CN223947680UActive Publication Date: 2026-02-27SHAOXING YUANDING IND INVESTMENT CO LTD
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Patent Information

Application Number
CN202520662736.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-02-27
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

When existing sandblasting machines clean the surface of galvanized steel sheets, the abrasive spraying from the nozzles is uneven, resulting in better cleaning near the nozzles and poorer cleaning further away from the nozzles, which may lead to incomplete cleaning of the steel sheet surface.

Method used

A surface cleaning device for galvanized steel plates was designed, including a chassis, an expansion cylinder, a vertical cylinder, an abrasive feeding assembly, and a dust generation assembly. Through the design of an inlet guide plate, an inner guide plate, and an outlet guide plate, combined with a dry sandblasting machine and a fan, the device achieves uniform abrasive spraying to polish and grind the surface of the steel plate, preventing abrasive leakage.

Benefits of technology

It achieves uniform cleaning of the galvanized steel sheet surface, ensuring that there are no residual solid deposits on the steel sheet surface, thus improving cleaning efficiency and effectiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a galvanized steel sheet surface cleaning device, belongs to the technical field of galvanized steel sheet cleaning, and solves the problems that a nozzle is non-uniform when blasting sand and grinding materials, the cleaning effect of the sprayed grinding materials is better when the nozzle is closer to the position of a re-axis of the nozzle, otherwise, the cleaning effect of the outwards diffused grinding materials on the surface of a steel sheet is poor. Therefore, the problem that the surface of the steel plate is not cleaned completely is solved. Comprising a case, an expansion cylinder fixedly connected and communicated with the bottom of the case, and a vertical cylinder fixedly connected and communicated with the lower end of the expansion cylinder. When the device is used, an operator unrolls a steel plate and guides the steel plate to the inlet guide plate and the inner guide plate, so that the steel plate penetrates through the case. The rubber ring wraps the steel plate feeding port and the steel plate discharging port, and abrasive leakage is prevented. And the fan and the dry sand blasting machine work, grinding materials enter the machine box through the pipeline, the surface of the steel plate is polished and ground, and solid attachments are removed. And after cleaning is completed, the bottom cover is disassembled to clean the grinding materials for next-time machining.
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Description

TECHNICAL FIELD

[0001] The utility model relates to galvanized steel sheet cleaning technical field especially relates to a galvanized steel sheet surface cleaning device. BACKGROUND

[0002] Galvanized steel sheet is a kind of steel material plated with a layer of zinc on the surface of ordinary steel sheet, and zinc is uniformly covered on the surface of steel sheet by hot-dip plating or electroplating process. Zinc layer not only can effectively prevent steel sheet from rusting and enhance its corrosion resistance, but also can provide good appearance and long service life. Galvanized steel sheet has excellent processing performance, can carry out stamping, welding, cutting and various processing technology, and is widely used in building, automobile, household appliance and other industries.

[0003] In the field of construction, galvanized steel sheet is often used in roof, wall, door and window frame parts, provides strong and weather-resistant protection, can resist wind and rain erosion, and prolongs the service life of building. In automobile manufacturing, galvanized steel sheet is used for vehicle body parts, such as doors, chassis, etc., to ensure the corrosion resistance and safety of vehicle, and to improve the overall performance and life of vehicle. Household appliance industry also widely uses galvanized steel sheet to make shell, such as refrigerator, washing machine, air conditioner, etc., because its surface is smooth and easy to paint and clean, which can meet the requirements of appearance and durability.

[0004] However, before the surface of galvanized steel sheet is subjected to electroplating process, the surface of galvanized steel sheet needs to be cleaned to remove the solid particles and impurities attached to the surface, so that the surface of galvanized steel sheet can be fully plated with zinc.

[0005] The current common method is to spray sand on the surface of steel sheet by sand blasting machine. The current sand blasting machine sprays abrasive sand on the surface of steel sheet by multiple nozzles. Due to the non-uniformity of abrasive sand spraying by nozzles, the closer to the axis of nozzles, the better the cleaning effect of abrasive sand, and vice versa, the cleaning effect of abrasive sand diffused outward is poor, so that the surface of steel sheet may not be completely cleaned.

[0006] Therefore, a galvanized steel sheet surface cleaning device is proposed to solve or alleviate the above problems. UTILITY MODEL CONTENT

[0007] The utility model aims at solving the shortcomings in the prior art and provides a galvanized steel sheet surface cleaning device.

[0008] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0009] The utility model provides a galvanized steel sheet surface cleaning device, including the casing, with the fixed connection and intercommunication of casing bottom expansion cylinder and with the fixed connection and intercommunication of expansion cylinder lower extreme vertical cylinder, the bottom of vertical cylinder is closable arrangement, vertical cylinder intercommunication has abrasive feeding component, expansion cylinder intercommunication has dust raising component, the both sides wall of casing is set up with feeding groove and discharge groove, the inner ring of feeding groove is fixedly connected with the introduction guide board in the casing, the inner fixedly connected with the export guide board in the discharge groove, the introduction guide board, export guide board all are prismatic and the inner diameter of both gradually reduces setting from outside to inside, the minimum end of introduction guide board is set up with the feeding port, the minimum end of export guide board is set up with the discharge port, the inner ring of feeding port and discharge port all are fixedly connected with rubber ring.

[0010] Preferably, the inner guide plate is fixedly connected inside the export guide plate in the discharge groove, the inner guide plate is also prismatic, and the inner diameter thereof is gradually reduced from outside to inside, the minimum end of the inner guide plate is also provided with a discharge port, and a gap exists between the outside of the inner guide plate and the inside of the export guide plate, which is in communication with the abrasive feeding component.

[0011] Preferably, the abrasive feeding component comprises a plurality of connection valves in communication with the outer ring of the vertical cylinder, a ring pipe in communication with the plurality of connection valves, a lower connection pipe in communication with the ring pipe, an upper connection pipe in communication with the lower connection pipe, a necked pipe in communication with the upper connection pipe, and a recovery pipe in communication with the necked pipe and the casing, the recovery pipe is provided with a feeding pipe having a lower horizontal level than the communication position of the recovery pipe and the casing, the feeding pipe is used to communicate with a dry sand blasting machine, and the export guide plate is fixedly connected with a discharge pipe in communication with the gap and the lower connection pipe.

[0012] Preferably, the communication position of the recovery pipe and the casing is detachably connected with a stainless steel filter screen.

[0013] Preferably, the dust raising component comprises an air inlet cylinder, a plurality of one-way valves in communication with the air inlet cylinder, an electromagnetic valve in communication with the one-way valves, and an air pipe in communication with the electromagnetic valve, a plurality of air injection holes in communication with the air pipe are formed on the expansion cylinder, and the air inlet cylinder is used to communicate with a fan.

[0014] Preferably, the bottom of the vertical cylinder is detachably connected with a bottom cover, an opening is formed on the casing, and a cabinet door is detachably connected in the opening.

[0015] Preferably, the casing is fixedly connected to a rack.

[0016] The utility model has the following beneficial effects:

[0017] In use, the operator unwinds the steel plate and guides it to the inlet and inner guide plates, allowing it to pass through the machine casing. Rubber rings wrap around the steel plate's inlet and outlet to prevent abrasive leakage. The blower and dry sandblasting machine operate, and the abrasive enters the machine casing through pipes to polish and grind the steel plate surface, removing solid deposits. After cleaning, the bottom cover is removed to clean the abrasive, preparing for the next processing cycle. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ;

[0021] Figure 3 This is a cross-sectional view of the present invention.

[0022] 1. Frame; 2. Chassis; 3. Door; 4. Expansion cylinder; 5. Vertical cylinder; 6. Bottom cover; 7. Air inlet cylinder; 8. Solenoid valve; 9. Air pipe; 10. Air jet port; 11. Inlet guide plate; 12. Inner guide plate; 13. Outlet guide plate; 14. Recovery pipe; 15. Feed pipe; 16. Narrowing pipe; 17. Upper connecting pipe; 18. Lower connecting pipe; 19. Discharge pipe; 20. Ring pipe; 21. Connecting valve. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0025] It should be noted that like numerals and letters refer to like items throughout the several views, and once an item is defined in one view, it should not require further defining and explaining in subsequent views.

[0026] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship commonly placed when the utility model product is used, or is the orientation or position relationship commonly understood by those skilled in the art, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0027] In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0028] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "setting", "mounting", "connection", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, or the communication between the two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] A galvanized steel sheet surface cleaning device, as shown in Figures 1 to 3 The utility model discloses a galvanized steel sheet surface cleaning device, as shown in formula (1), including frame 1, machine case 2, with the fixed connection and communication of machine case 2 bottom expansion cylinder 4, and with the fixed connection and communication of expansion cylinder 4 lower end vertical cylinder 5, machine case 2 is fixedly connected on frame 1, the bottom of vertical cylinder 5 can be open and close to set, the bottom of vertical cylinder 5 is detachably connected with bottom cover 6, the opening is seted up on machine case 2, and the box door 3 is detachably connected in the opening, the vertical cylinder 5 is communicated with abrasive feed assembly, the expansion cylinder 4 is communicated with dust raising assembly, the both sides of machine case 2 are provided with feed groove and discharge groove, the inner ring of feed groove is fixedly connected with the feed guide plate 11 in machine case 2, and the discharge guide plate 13 is fixedly connected in the discharge groove, the feed guide plate 11 and the discharge guide plate 13 are all prismatic and the inner diameter of the two gradually reduces from outside to inside, the smallest end of feed guide plate 11 is provided with feed port, the smallest end of discharge guide plate 13 is provided with discharge port, and the inner ring of feed port and discharge port is fixedly connected with rubber ring.

[0030] The inner guide plate 12 is fixedly connected in the discharge chute and is located inside the outer guide plate 13, and the inner guide plate 12 is also in the shape of a prism with a gradually reduced inner diameter from outside to inside, and the smallest end of the inner guide plate 12 is also provided with a discharge port, and there is a gap between the outer side of the inner guide plate 12 and the inner side of the outer guide plate 13, and the gap is in communication with the abrasive feeding assembly.

[0031] The abrasive feeding assembly comprises a plurality of connection valves 21 in communication with the outer ring of the vertical cylinder 5, a ring pipe 20 in communication with the plurality of connection valves 21, a lower connection pipe 18 in communication with the ring pipe 20, an upper connection pipe 17 in communication with the lower connection pipe 18, a neck pipe 16 in communication with the upper connection pipe 17, a recovery pipe 14 in communication with the neck pipe 16 and the machine box 2, and the recovery pipe 14 is provided with a feeding pipe 15 with a lower horizontal height than the communication position of the recovery pipe 14 and the machine box 2, and the feeding pipe 15 is used to communicate with the dry sand blasting machine, and the bottom of the outer guide plate 13 is fixedly connected with a discharge pipe 19 in communication with the gap and the lower connection pipe 18, and the communication position of the recovery pipe 14 and the machine box 2 is detachably connected with a stainless steel filter screen.

[0032] The dust raising assembly comprises an air inlet cylinder 7, a plurality of one-way valves in communication with the air inlet cylinder 7, a solenoid valve 8 in communication with the one-way valves, and an air pipe 9 in communication with the solenoid valve 8, and the expansion cylinder 4 is provided with a plurality of air injection holes 10 in communication with the air pipe 9, and the air inlet cylinder 7 is used to communicate with a fan.

[0033] In actual application, the operator can unwind the steel plate, and after unwinding, the operator only needs to align the steel plate with the largest end of the inner guide plate 12, so that the steel plate can be guided by the inner wall of the inner guide plate 12, and the steel plate enters the machine box 2 through the feeding port, and then the box door 3 is opened, so that the opening of the machine box 2 is opened, and the operator guides the steel plate to align the inner wall of the inner guide plate 12 through the same operation, so that the steel plate exits from the discharge port of the inner guide plate 12 towards the discharge port of the outer guide plate 13, so that the steel plate can transversely penetrate the machine box 2, and in this process, the rubber ring can be wrapped around the position of the steel plate penetrating the feeding port and the discharge port, and at this time, the operator can close the box door 3 again to make the machine box 2 closed.

[0034] And then make the fan and the air inlet cylinder 7 communication, make the feed pipe 15 and dry sand blasting machine communication, in actual work time, fan, dry sand blasting machine work, two respectively input air and abrasive, abrasive through the recovery pipe 14, neck tube 16, upper connecting pipe 17, lower connecting pipe 18, ring pipe 20, and connecting valve 21 in order to enter into the vertical cylinder 5, expansion cylinder 4, and machine box 2, and then air through the air inlet cylinder 7, check valve, solenoid valve 8, air pipe 9, and air jet hole 10 in order to spray a batch of abrasive into the machine box 2, so that the abrasive can be in the vertical cylinder 5, expansion cylinder 4, and machine box 2 in the sand, so that the abrasive can be in the sand, polish the surface of the steel plate, so as to remove the solid adhering on the surface of the steel plate, while the guide plate 11, inner guide plate 12, and the guide plate 13 are set, and then cooperate with the rubber ring, especially the one-way displacement of the steel plate, so that the steel plate is not easy to appear the leakage of abrasive at the place of the guide plate 11, while the steel plate is easy to appear the leakage of abrasive at the place of the inner guide plate 12, and the guide plate 13, but the guide plate 13 can further block the abrasive, so that the steel plate finally leaving is not easy to take out the abrasive, and the abrasive retained between the inner guide plate 12 and the guide plate 13 can be discharged under the condition that the air flows fast in the upper connecting pipe 17 and the lower connecting pipe 18, the air pressure at the discharge pipe 19 is reduced, so that the abrasive between the inner guide plate 12 and the guide plate 13 can be discharged;

[0035] When the surface of the steel plate is cleaned, the operator can disassemble the bottom cover 6, remove the abrasive, and then prepare for the next processing.

[0036] The above only for the preferred embodiments of the present application, and not for limiting the present application, for those skilled in the art, the present application can have various changes and variations. 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 device for cleaning the surface of a galvanized steel sheet, characterized in that, The utility model relates to a kind of dry sand blasting machine, including cabinet (2), with the fixed connection and communication of cabinet (2) bottom Expansion cylinder (4),With the fixed connection and communication of Expansion cylinder (4) lower end Vertical cylinder (5), the bottom of the Vertical cylinder (5) is openably arranged, the Vertical cylinder (5) is communicated with abrasive feeding assembly, the Expansion cylinder (4) is communicated with dust raising assembly, the both sides wall of the cabinet (2) is equipped with feeding groove and discharge groove, the inner circle of the feeding groove is fixedly connected with the introduction guide plate (11) in the cabinet (2), the discharge groove is fixedly connected with the discharge guide plate (13) in, the introduction guide plate (11), discharge guide plate (13) are all prismatic and the inner diameter of both gradually reduces from outside to inside setting, the smallest end of the introduction guide plate (11) is equipped with feeding port, the smallest end of the discharge guide plate (13) is equipped with discharge port, the inner circle of the feeding port and discharge port is fixedly connected with rubber ring.

2. A device for cleaning the surface of a galvanized steel sheet according to claim 1, characterized in that, The discharge guide plate (13) is fixedly connected with the inner guide plate (12) in the inside of discharge guide plate (13) in the discharge groove, the inner guide plate (12) is also prismatic, and its inner diameter is gradually reduced from outside to inside setting, the smallest end of the inner guide plate (12) is also equipped with discharge port, and there is a gap between the outside of the inner guide plate (12) and the inside of the discharge guide plate (13), and the gap is communicated with the abrasive feeding assembly.

3. The device for cleaning the surface of a galvanized steel sheet according to claim 1, wherein The abrasive feeding assembly includes a plurality of connection valves (21) communicated with the outer circle of the Vertical cylinder (5), a ring pipe (20) communicated with the plurality of connection valves (21), a lower connecting pipe (18) communicated with the ring pipe (20), an upper connecting pipe (17) communicated with the lower connecting pipe (18), a necked pipe (16) communicated with the upper connecting pipe (17), and a recovery pipe (14) communicated with the necked pipe (16) and the cabinet (2), the recovery pipe (14) is communicated with a feeding pipe (15) having a lower horizontal level than the communication position of the recovery pipe (2) and the cabinet (2), the feeding pipe (15) is used to connect a dry sand blasting machine, and the discharge guide plate (13) is fixedly connected with a discharge pipe (19) at the bottom, which is communicated with the gap and the lower connecting pipe (18).

4. A device for cleaning the surface of a galvanized steel sheet according to claim 3, characterized in that, The communication position of the recovery pipe (14) and the cabinet (2) is detachably connected with a stainless steel filter screen.

5. The device for cleaning the surface of a galvanized steel sheet according to claim 1, wherein The dust raising assembly includes an air inlet cylinder (7), a plurality of one-way valves communicated with the air inlet cylinder (7), an electromagnetic valve (8) communicated with the one-way valves, and an air pipe (9) communicated with the electromagnetic valve (8), a plurality of air injection holes (10) communicated with the air pipe (9) are formed on the Expansion cylinder (4), and the air inlet cylinder (7) is used to connect a fan.

6. The device for cleaning the surface of a galvanized steel sheet according to claim 1, wherein The bottom of the Vertical cylinder (5) is detachably connected with a bottom cover (6), and the cabinet (2) is provided with an opening, and the opening is detachably connected with a cabinet door (3).

7. The device for cleaning the surface of a galvanized steel sheet according to claim 1, wherein Further comprising a rack (1), and the cabinet (2) is fixedly connected on the rack (1).