Electrophoretic coating production equipment for automobile parts

Abstract

The utility model relates to the technical field of automobile part electrophoretic coating production equipment, and solves the problems that bubbles or air layers between automobile parts and electrophoretic liquid in the electrophoresis process are not intervened, and the bubbles are attached to cause uneven coating and skip plating. The automobile part electrophoretic coating production equipment comprises a hoisting sliding rail, the bottom face of the hoisting sliding rail is fixedly connected with a hoisting frame, the bottom face of the hoisting frame is fixedly connected with a support, the top face of the support is fixedly connected with a contact assembly, the side face of the support is fixedly connected with a processing assembly, and the contact assembly comprises a transverse plate fixedly connected to the top face of the support; a plurality of mounting grooves are formed in the top surface of the transverse plate, electric push rods are fixed in the mounting grooves, pressure sensors are fixedly connected to the top ends of the electric push rods, and transducers are fixedly connected to the top surfaces of the pressure sensors; an ultrasonic generator and a central processing unit electrically connected with the ultrasonic generator and the pressure sensor are arranged in the sealing box.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts electrophoretic coating production equipment, specifically to a kind of automobile parts electrophoretic coating production equipment. BACKGROUND

[0002] The utility model discloses a kind of automobile parts electrophoretic devices with publication No.CN208748232U, it includes electrophoretic tank, electrophoretic tank upper is equipped with sling guide rail, sling is movably connected on sling guide rail by roller, sling is connected by ring chain between;The electrically conductive contact piece for being electrically connected with electrode is equipped on the sling, the electrically conductive contact piece on the running track of electrophoretic tank upper is equipped with the electrically conductive copper bar for being electrically contacted with the electrically conductive contact piece on the sling entering electrophoretic tank, the electrically conductive copper bar is electrically connected with one pole of direct current power supply, and electrophoretic tank is electrically connected with another pole of direct current power supply.

[0003] It is used for electrophoretic coating to automobile parts, can make the automobile parts in progress and electrode keep good electrical contact, guarantee the electrophoretic coating effect of automobile parts, and the electrophoretic quality is better.

[0004] The technical scheme in the comparative document has the effect of keeping good electrical contact to guarantee coating effect, but does not intervene the bubble or air layer between automobile parts and electrophoretic liquid in electrophoretic process, and in practical application, bubble adhesion can lead to uneven coating, plating defect. UTILITY MODEL CONTENT

[0005] To the deficiencies of prior art, the utility model provides a kind of automobile parts electrophoretic coating production equipment, solve the problem that bubble adhesion can lead to uneven coating, plating in practical application, plating is not carried out to the bubble or air layer between automobile parts and electrophoretic liquid in electrophoretic process without intervention.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of automobile parts electrophoretic coating production equipment, including hoisting slide rail, the hoisting slide rail bottom is fixedly connected with hoisting frame, hoisting frame bottom is fixedly connected with support, support top is fixedly connected with contact subassembly, support side is fixedly connected with processing component;

[0007] The contact subassembly includes the horizontal plate fixedly connected to the top of support, the top of horizontal plate is equipped with a plurality of installation grooves, electric push rod is fixed in installation groove, electric push rod top is fixedly connected pressure sensor, pressure sensor top is fixedly connected transducer;

[0008] The processing component includes the sealed box fixed to the side of support, ultrasonic generator and central processing unit electrically connected with ultrasonic generator and pressure sensor are arranged in sealed box.

[0009] In a specific embodiment, the telescopic end of the electric push rod forms a pressure conduction structure with the transducer through the pressure sensor, and the central processing unit controls the telescopic stroke of the electric push rod according to the pressure signal detected by the pressure sensor.

[0010] In a specific embodiment, the ultrasonic generator is connected with the transducer through a wire, and the transducer converts the electric signal of the ultrasonic generator into mechanical vibration waves acting on the surface of the automobile part.

[0011] In a specific embodiment, the bracket is a reverse U-shaped frame structure, the top horizontal section of which is fixedly connected with the bottom surface of the hoisting frame, and the bottom horizontal section is fixedly connected with the transverse plate of the contact assembly.

[0012] In a specific embodiment, the transducer is a piezoelectric ceramic transducer sheet, and the surface thereof in contact with the automobile part is a corrugated metal contact surface, which is used to enhance the dispersion and transmission efficiency of the vibration waves on the surface of the automobile part.

[0013] In a specific embodiment, the sealed box is further provided with a wireless communication module connected with the central processing unit, which is used to receive external control instructions and feed back pressure sensing data.

[0014] Compared with the prior art, the utility model provides a kind of automobile part electrophoretic painting production equipment, with the following beneficial effects:

[0015] In the technical scheme disclosed by the utility model, the structure cooperation and function linkage of the contact assembly and the processing assembly systematically solve the problems of bubble interference and process control in the electrophoretic painting process.

[0016] Through the contact assembly and the processing assembly provided by the utility model, the transducer converts electric signal into high-frequency mechanical vibration waves under the drive of the ultrasonic generator, and the vibration waves are uniformly dispersed and transmitted to the surface of the automobile part through the corrugated metal contact surface of the transducer, and the bubble layer between the electrophoretic fluid and the part is destroyed by cavitation effect, so as to eliminate the defects of coating leakage and uneven film thickness; at the same time, the contact pressure of the transducer and the part is detected by the pressure sensor in real time, and the telescopic stroke of the electric push rod is dynamically adjusted by the central processing unit according to the pressure signal, to form closed-loop control, which not only ensures efficient transmission of vibration waves but also avoids damage to the surface of the part due to excessive pressure. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, and the illustrative embodiments of the present application and their descriptions are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2It is a contact assembly structure schematic view of the utility model.

[0020] Figure 3 It is a processing assembly structure schematic view of the utility model.

[0021] Figure 4 It is a split structure schematic view of the utility model.

[0022] In the figure: 1, hoisting slide rail; 2, hoisting frame; 3, support; 4, contact assembly; 41, cross plate; 42, electric push rod; 43, pressure sensor; 44, transducer; 5, processing assembly; 51, sealed box; 52, ultrasonic generator; 53, central processing unit. Specific embodiments

[0023] The embodiments of the present application will be described in detail below with the accompanying drawings and examples, so that the realization process of how to apply technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

[0024] Figures 1-4 For an embodiment of the utility model, an automobile part electrophoretic coating production equipment, including hoisting slide rail 1, hoisting slide rail 1 bottom surface fixedly connected with hoisting frame 2, hoisting frame 2 bottom surface fixedly connected with support 3, support 3 top surface fixedly connected with contact assembly 4, support 3 side fixedly connected with processing assembly 5.

[0025] The specific problem of the specific embodiment is to solve the problem that the bubbles or air layers between the automobile parts and the electrophoretic liquid in the electrophoresis process are not intervened, and in actual application, the bubble adhesion will cause the problem of uneven coating and plating leakage. The utility model utilizes the structure cooperation and function linkage of contact assembly 4 and processing assembly 5, and systematically solves the bubble interference and process control problems in the electrophoretic coating process.

[0026] The contact assembly 4 comprises a horizontal plate 41 fixedly connected to the top surface of the support 3, the top surface of the horizontal plate 41 is provided with a plurality of mounting grooves, and electric push rods 42 are fixedly arranged in the mounting grooves; the top end of each electric push rod 42 is fixedly connected with a pressure sensor 43, and the top surface of the pressure sensor 43 is fixedly connected with a transducer 44; the processing assembly 5 comprises a sealed box 51 fixedly arranged on the side surface of the support 3, and the sealed box 51 is provided with an ultrasonic generator 52 and a central processing unit 53 electrically connected with the ultrasonic generator 52 and the pressure sensor 43; in the specific embodiment, the ultrasonic generator 52 is connected with the transducer 44 through a wire, and the transducer 44 converts the electric signal of the ultrasonic generator 52 into mechanical vibration waves acting on the surface of the automobile part; the transducer 44 converts the electric signal into high-frequency mechanical vibration waves under the driving of the ultrasonic generator 52, the vibration waves are uniformly dispersed and transmitted to the surface of the automobile part through the corrugated metal contact surface of the transducer 44, and the air bubble layer between the electrophoretic liquid and the part is destroyed by using the cavitation effect, so that the defects of coating leakage and uneven film thickness are eliminated; at the same time, the pressure sensor 43 detects the contact pressure of the transducer 44 and the part in real time, and the central processing unit 53 dynamically adjusts the extension stroke of the electric push rod 42 according to the pressure signal, so as to form a closed-loop control, which not only ensures efficient transmission of the vibration waves but also avoids damage to the surface of the part due to excessive pressure.

[0027] In the specific embodiment, the extension end of the electric push rod 42 forms a pressure conduction structure with the transducer 44 through the pressure sensor 43, and the central processing unit 53 controls the extension stroke of the electric push rod 42 according to the pressure signal detected by the pressure sensor 43;

[0028] The extension end of the electric push rod 42 is rigidly connected with the pressure sensor 43, the pressure sensor 43 detects the pressure value of the contact surface of the transducer 44 and the automobile part, and transmits the pressure value to the central processing unit 53 through a signal line, the central processing unit 53 is provided with a preset pressure threshold range, when the detected pressure is lower than the lower limit, the electric push rod 42 is controlled to be extended to increase the contact force, when the pressure exceeds the upper limit, the push rod is shortened to prevent overload, and a dynamic pressure closed-loop control is formed.

[0029] In the specific embodiment, the ultrasonic generator 52 is connected with the transducer 44 through a wire, and the transducer 44 converts the electric signal of the ultrasonic generator 52 into mechanical vibration waves acting on the surface of the automobile part;

[0030] The ultrasonic generator 52 outputs a high-frequency electric signal with a frequency of 20-40 kHz, which is transmitted to the piezoelectric ceramic sheet of the transducer 44 through a shielding wire, the piezoelectric ceramic sheet deforms under the action of an alternating electric field, and generates mechanical vibration waves with the same frequency, and the vibration waves are directly coupled to the surface of the automobile part through the metal contact surface of the transducer 44.

[0031] In the specific embodiment, the support 3 is a reverse U-shaped frame structure, the top horizontal section is fixedly connected with the bottom surface of the hoisting frame 2, and the bottom horizontal section is fixedly connected with the horizontal plate 41 of the contact assembly 4.

[0032] The support 3 adopts a inverted U-shaped stainless steel frame, the top horizontal section is fixed to the bottom surface of the hoisting frame 2 by bolts, the bottom horizontal section is welded to the transverse plate 41 of the contact assembly 4, the U-shaped structure provides rigid support in the vertical direction and allows the transverse plate 41 to translate synchronously with the hoisting slide rail 1 in the horizontal direction.

[0033] In the specific embodiment, the transducer 44 is a piezoelectric ceramic transducer sheet, and the surface in contact with the automobile part is a corrugated metal contact surface for enhancing the dispersion transmission efficiency of vibration waves on the surface of the automobile part.

[0034] The corrugated metal contact surface of the transducer 44 is pressed from a copper alloy, the corrugation height is 0.3mm, and the wave distance is 2mm, the concave-convex texture increases the contact point density with the automobile part, so that the vibration waves are transmitted from single-point concentration to multi-directional dispersion, and the energy loss of the contact surface is reduced.

[0035] In the specific embodiment, the sealed box 51 further has a wireless communication module connected with the central processor 53, for receiving external control instructions and feeding back pressure sensing data.

[0036] The Wi-Fi module integrated in the sealed box 51 communicates with the central processor 53 in series, wirelessly receives the ultrasonic frequency adjustment instructions sent by the external terminal, and uploads the real-time data of the pressure sensor 43 to the cloud server after encryption, so as to realize remote process parameter monitoring and fault early warning.

[0037] The control mode of the utility model is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the control mode and circuit connection of the utility model will not be explained in detail.

[0038] It should be noted that in this paper, the term "including", "containing" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electrophoretic coating production plant for automotive components, comprising a hoisting slide rail (1), characterized in that: The lifting sliding rail (1) bottom surface is fixedly connected with a lifting frame (2), the lifting frame (2) bottom surface is fixedly connected with a support (3), the support (3) top surface is fixedly connected with a contact assembly (4), the support (3) side surface is fixedly connected with a processing assembly (5); The contact assembly (4) includes a cross plate (41) fixedly connected to the top surface of the support (3), the cross plate (41) top surface is provided with a plurality of installation grooves, the installation grooves are fixedly connected with electric push rods (42), the electric push rods (42) top ends are fixedly connected with pressure sensors (43), the pressure sensors (43) top surfaces are fixedly connected with transducers (44); The processing assembly (5) includes a sealed box (51) fixed to the side surface of the support (3), the sealed box (51) is provided with an ultrasonic generator (52) and a central processing unit (53) electrically connected with the ultrasonic generator (52) and the pressure sensor (43).

2. The apparatus according to claim 1, wherein: The telescopic end of the electric push rod (42) forms a pressure conduction structure with the transducer (44) through the pressure sensor (43), and the central processing unit (53) controls the telescopic stroke of the electric push rod (42) according to the pressure signal detected by the pressure sensor (43).

3. The apparatus according to claim 1, wherein: the first and second conveyors are arranged to convey the automobile parts in a direction perpendicular to the direction in which the automobile parts are conveyed by the third conveyor. The ultrasonic generator (52) is connected with the transducer (44) through a wire, and the transducer (44) converts the electric signal of the ultrasonic generator (52) into mechanical vibration waves acting on the surface of the automobile parts. ​ 4. The apparatus according to claim 1, wherein: The support (3) is a reverse U-shaped frame structure, the top horizontal section is fixedly connected with the bottom surface of the lifting frame (2), and the bottom horizontal section is fixedly connected with the cross plate (41) of the contact assembly (4).

5. The apparatus according to claim 1, wherein: The transducer (44) is a piezoelectric ceramic transducer sheet, and the surface in contact with the automobile parts is a corrugated metal contact surface, which is used to enhance the dispersion and transmission efficiency of vibration waves on the surface of automobile parts.

6. The apparatus according to claim 1, wherein: The sealed box (51) is also provided with a wireless communication module connected with the central processing unit (53), which is used to receive external control instructions and feedback pressure sensing data.

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