Coating spraying device for metal corrosion prevention

Abstract

The coating spraying device comprises a roller conveyor, a liquid accumulation pool and an automatic spraying machine, the roller conveyor is arranged on the upper side of an opening of the liquid accumulation pool, and the automatic spraying machine comprises a linear reciprocating platform and a nozzle arranged at the movable end of the linear reciprocating platform. The movable end of the linear reciprocating platform is further provided with an identification probe used for detecting the metal pieces, the identification probe, the automatic spraying machine and the roller conveyor are all connected with the PLC control center, when the identification probe detects the metal pieces, the nozzle sprays spraying liquid, and when the identification probe does not detect the metal pieces, the nozzle stops spraying. The roller conveyor conveys metal pieces forwards, after the recognition probe detects the metal pieces, the automatic spraying machine is started to conduct metal surface spraying, and after the recognition probe does not detect the metal pieces, the automatic spraying machine is stopped, and therefore the spraying time can be accurately controlled when the metal pieces of different sizes or multiple metal pieces are conveyed forwards at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal spraying technical field especially relates to a coating spraying device for metal corrosion prevention. BACKGROUND

[0002] In modern industrial production, the corrosion protection treatment of metal products is very important. As an effective corrosion protection method, coating spraying has been widely used in many industries. Traditional coating spraying process is mostly operated manually, which is not only inefficient, but also the spraying effect is affected by the technical level of the operator, and the uniformity and quality of the coating cannot be guaranteed. With the development of automation technology, automatic coating spraying equipment has emerged, which greatly improves the spraying efficiency and coating quality.

[0003] At present, the prior art such as Chinese patent application with publication number CN221230868U discloses a metal product surface spraying equipment, and patent application with publication number CN221694028U discloses a metal net rack spraying equipment. The above prior art has some problems such as collection and discharge of spraying liquid, and identification and positioning of metal parts during the spraying process, although the spraying process is relatively coherent. The spraying liquid spreads in the workshop to pollute the environment, and the spraying machine still releases the spraying liquid continuously without the continuous transmission of the metal parts, causing raw material waste and environmental pollution. UTILITY MODEL CONTENT

[0004] In order to solve the problems in the background art, the utility model provides a coating spraying device for metal corrosion prevention.

[0005] The technical scheme is as follows: a coating spraying device for metal corrosion prevention, comprising a roller conveyor, a liquid accumulation pool and an automatic spraying machine. The roller conveyor is arranged on the open upper side of the liquid accumulation pool. The automatic spraying machine comprises a linear reciprocating platform and a nozzle arranged on the movable end of the linear reciprocating platform. The movable end of the linear reciprocating platform is also provided with an identification probe for detecting metal parts. The identification probe, the automatic spraying machine and the roller conveyor are connected with a PLC control center. When the identification probe detects metal parts, the nozzle sprays the spraying liquid. When the identification probe does not detect metal parts, the nozzle pauses spraying.

[0006] As a preferred technical scheme of the utility model, the automatic spraying machine is provided with two, one of which is located at the top of the roller, and the other is located at the bottom of the roller, which can respectively spray the top surface and the bottom surface of the metal parts. The two automatic spraying machines operate synchronously.

[0007] As a preferred technical scheme of the utility model, the collecting switch is used for collecting the running period of the movable end of the linear reciprocating platform and transmitting the signal to the PLC control center.

[0008] As a preferred technical scheme of the utility model, the inner bottom of the effusion pool is an inclined plane, and a liquid discharge port is arranged at the lower end of the inclined plane.

[0009] As a preferred technical scheme of the utility model, the open end of the effusion pool is provided with a filter plate.

[0010] As a preferred technical scheme of the utility model, the decontamination mechanism is arranged at the rear side of the automatic spraying machine, and the decontamination mechanism comprises a fixing frame, a cylinder, a magnet and a metal bottom plate.

[0011] As a preferred technical scheme of the utility model, the drying mechanism is arranged at the front side of the automatic spraying machine.

[0012] Beneficial effects: 1. The roller conveyor of the utility model transmits the metal piece forward, the automatic spraying machine is started to spray the metal surface after the recognition probe detects the metal piece, and the automatic spraying machine is stopped after the recognition probe fails to detect the metal piece, so that the spraying time can be accurately controlled when different sizes of metal pieces or multiple metal pieces with different shapes are transmitted forward at the same time.

[0013] 2. The utility model can spray the top surface and the top surface of the metal piece at the same time through the arrangement of the two automatic spraying machines running synchronously, and the spraying efficiency is greatly improved.

[0014] 3. The utility model can detect the running period of the spraying machine nozzle through the arrangement of the collecting switch, transmit the detected signal to the PLC control center after the specified running period is completed, and then start the roller conveyor to run intermittently, so that the surface spraying quality of the metal piece can be improved.

[0015] 4. The bottom surface of the effusion pool of the utility model is an inclined surface, which facilitates the discharge of the spraying liquid, and in addition, the filter plate can further filter impurities, facilitating the subsequent treatment of the spraying liquid.

[0016] 5. The impurity removal mechanism can adsorb and remove the debris on the surface of the metal piece before spraying, improving the subsequent spraying quality.

[0017] 6. The utility model discloses an equipped with drying mechanism can be fast to the metal piece after spraying drying operation, saved the time of subsequent airing, improved the processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0019] Figure 2 It is the structure schematic diagram of the automatic spraying machine of the utility model.

[0020] Figure 3 It is the structure schematic diagram of the utility model liquid pool.

[0021] Figure 4 It is the structure schematic diagram of the impurity removal mechanism of the utility model.

[0022] Marked in the drawing: 1-roller conveyor, 2-liquid pool, 3-automatic spraying machine, 31-linear reciprocating platform, 32-nozzle, 33-movable end, 4-identification probe, 5-acquisition switch, 11-drainage, 12-filter plate, 6-impurity removal mechanism, 61-fixing frame, 62-cylinder, 63-magnet, 64-metal base plate, 7-drying mechanism. DETAILED DESCRIPTION

[0023] Example embodiments will now be described more fully with reference to the accompanying drawings. Embodiments, however, can be implemented in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. Like reference numerals refer to like elements throughout the drawings, and thus a detailed description of them will not be repeated.

[0024] The utility model will be described further in detail below in combination with the drawings and specific embodiments, but not limit the protection scope and application scope of the utility model.

[0025] Figure 1 It is the three-dimensional structure diagram of the coating spraying device for metal corrosion prevention, and specifically includes roller conveyor 1, liquid pool 2 and automatic spraying machine 3, the roller conveyor 1 is arranged at the open upper side of the liquid pool 2, the roller conveyor 1 is used to continuously or indirectly transmit the metal piece to be processed to the front, the roller conveyor 1 can be a powered linear roller conveyor, or a double-roller feeding structure can be configured on a powered linear roller conveyor, and the embodiment preferentially selects the roller conveyor 1 with double-roller feeding structure (for specific reference Figure 2), the feeding gap of the double-roller feeding structure is controlled by a pneumatic cylinder, an automatic spraying machine 3 is arranged above the roller, the automatic spraying machine 3 comprises a linear reciprocating platform 31 and a nozzle 32 arranged at the movable end of the linear reciprocating platform 31, the linear reciprocating platform 31 can be selected from a screw sliding table, a linear motor sliding table or a linear pneumatic cylinder sliding table and the like, in the embodiment, a track-type linear sliding table is selected, the movable end 33 (i.e. the sliding table) of the linear reciprocating platform 31 reciprocates along the track and drives the nozzle 32 to move synchronously, the spraying end of the nozzle 32 faces the direction of the roller, the nozzle 32 is connected to a spraying liquid supply end, and the opening and closing of the nozzle are controlled by an automatic switch, in addition, the movable end 33 of the linear reciprocating platform is further provided with a recognition probe 4 for detecting metal pieces, the recognition probe 4 is a metal detection sensor, and a high-frequency oscillation type sensor is preferably selected, the detection end of the recognition probe 4 faces the roller, and the recognition probe 4, the automatic spraying machine 3 and the roller conveyor 1 of the device are connected to a PLC control center (not shown in the figure).

[0026] During processing, first, the metal pieces to be processed are placed on the roller, the metal pieces can be of the same specification, or different specifications or shapes and sizes, and are transmitted forward as the roller rotates to enter the processing area, at this time, the recognition probe 4 detects that the metal pieces are close and sends a signal to the PLC control center, the PLC control center controls the transmission speed and start-stop of the roller conveyor 1 on the one hand, and controls the automatic spraying machine 3 to start on the other hand, the movable end 33 of the automatic spraying machine drives the nozzle 32 to release the spraying liquid to form a coating on the surface of the metal piece, it should be noted that in the embodiment, the setting direction of the linear reciprocating platform 31 is consistent with the circumferential direction of the roller, when the recognition probe 4 moves with the movable end 33 of the automatic spraying machine, after passing over the edge of a certain metal piece, the metal piece cannot be recognized, at this time, the nozzle 32 pauses spraying. After the spraying on the surface of the metal piece in the area is completed, the PLC control center controls the roller conveyor 1 to start and continue to transmit forward, and thus reciprocation can realize the spraying of the anticorrosive coating on the surface of the metal piece.

[0027] Specifically referring to Figure 3 Excess spraying liquid generated during the spraying process can enter the liquid collection pool 2 along the gap of the roller and be collected, the bottom surface of the liquid collection pool 2 is designed as an inclined plane, the lower end of the inclined plane is provided with a liquid discharge port 11. After the spraying liquid is collected, it flows along the inclined plane to the liquid discharge port 11 and is treated and discharged or recycled, in addition, a filter plate 12 is arranged at the open end of the liquid collection pool 2, which can further filter the spraying liquid for subsequent treatment.

[0028] In the embodiment, reference is made to Figure 1 or Figure 2The automatic spraying machine 3 is provided with two, one of which is located at the top of the roller, and the other is located at the bottom of the roller, and the two automatic spraying machines 3 are synchronously operated, so that the top surface and the bottom surface of the metal piece can be sprayed respectively, and the spraying efficiency of the surface of the metal piece can be improved.

[0029] In addition, the device further comprises a collection switch 5 for collecting the activity period of the linear reciprocating platform 31, and the collection switch 5 preferably uses a photoelectric switch of a transmission type, wherein the transmission part is installed at the end edge of the track of the linear reciprocating platform 31, and the receiving part is installed at the movable end 33 of the linear reciprocating platform 31, and the receiving part moves with the movable end 33 and approaches or moves away from the transmission part, and each time the receiving part approaches the transmission part, the photoelectric switch receives a signal and transmits the signal to the PLC control center.

[0030] As shown in Figure 2 and 4 , the device further comprises a foreign matter removing mechanism 6, which is arranged at the rear side of the automatic spraying machine 3 and adsorbs the metal debris on the surface of the metal piece before the metal piece enters the spraying area, and specifically, the mechanism comprises a fixing frame 61, a gas cylinder 62, a magnet 63 and a metal base plate 64, wherein,

[0031] The fixing frame 61 is fixedly arranged on the rack of the roller conveyor 1, the gas cylinder 62 is arranged on the fixing frame 61, the piston rod of the gas cylinder 62 faces downward and is installed with the magnet 63, the metal base plate 64 is arranged at the lower end of the fixing frame 61, and the gas cylinder 62 drives the magnet 63 to approach or move away from the metal base plate 64, so as to realize the adsorption of the debris on the surface of the metal piece to be processed. When the magnet 63 approaches the metal base plate 64, the metal base plate 64 is magnetized to adsorb the metal debris on the surface of the metal piece passing through, and when enough impurity debris is adsorbed, the magnet 63 is moved away from the metal base plate 64 to demagnetize, so that the debris can be collected. In addition, the device further comprises a drying mechanism 7, which is arranged at the front side of the automatic spraying machine 3, and specifically, reference can be made to Figure 1 、 2 When the sprayed metal piece passes through the drying mechanism 7, drying operation is performed to accelerate the combination of the spraying liquid and the surface of the metal piece.

[0032] The above embodiments only express the preferred embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications, improvements and substitutions can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A paint spraying device for corrosion protection of metals, characterized in that Including roller conveyor (1), liquid pool (2) and automatic spraying machine (3), the roller conveyor (1) is arranged on the open upper side of the liquid pool (2), the automatic spraying machine (3) includes linear reciprocating platform (31) and nozzle (32) arranged on the movable end (33) of the linear reciprocating platform, the movable end (33) of the linear reciprocating platform is further provided with a recognition probe (4) for detecting metal parts, the recognition probe (4), automatic spraying machine (3) and roller conveyor (1) are connected with PLC control center, when the recognition probe (4) detects metal parts, the nozzle (32) sprays spraying liquid, when the metal parts cannot be detected, the nozzle (32) pauses to spray.

2. The paint spraying device for metal corrosion protection according to claim 1, characterized in that, The automatic spraying machine (3) is provided with two, one of which is located at the top of the roller, and the other is located at the bottom of the roller, which can respectively spray the top and bottom surfaces of the metal parts, and the two automatic spraying machines (3) are synchronously operated.

3. The coating spraying apparatus for metal corrosion protection according to claim 2, wherein The inner bottom of the liquid pool (2) is an inclined plane, and the lower end of the inclined plane is provided with a liquid discharge port (11).

4. The coating spraying apparatus for metal corrosion protection according to claim 3, wherein The open end of the liquid pool (2) is provided with a filter plate (12).

5. The coating spraying apparatus for metal corrosion protection according to claim 4, wherein It also includes a metal removal mechanism (6), which is arranged on the rear side of the automatic spraying machine (3), and the metal removal mechanism (6) includes a fixed frame (61), a cylinder (62), a magnet (63) and a metal base plate (64), the fixed frame (61) is arranged on the rack of the roller conveyor (1), the cylinder (62) is arranged on the fixed frame (61), the piston rod of the cylinder (62) faces downward and installs the magnet (63), the metal base plate (64) is arranged on the lower end of the fixed frame (61), the cylinder (62) drives the magnet (63) to approach or away from the metal base plate (64), thereby realizing the adsorption of the surface debris of the metal parts to be processed.

6. The coating spraying apparatus for metal corrosion protection according to claim 5, wherein It also includes a drying mechanism (7), which is arranged on the front side of the automatic spraying machine (3).

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