Plastic part paint spraying device

Abstract

The plastic part paint spraying device comprises a water curtain paint spraying chamber and a plurality of workpiece supporting frames, a workpiece taking and placing opening is formed in one side of the water curtain paint spraying chamber, a supporting table is fixed to the outer side of the water curtain paint spraying chamber, and the supporting table is arranged right opposite to the lower end of the workpiece taking and placing opening; a servo motor is fixedly mounted at the lower end of the supporting table, an output shaft of the servo motor penetrates through the supporting table and is fixedly connected with a rotary table, and the rotary table is provided with a mounting groove with an opening in the upper end; the two ends of the rotary table are each provided with a connecting structure used for being connected with a workpiece supporting frame, one end of the workpiece supporting frame is a connecting end connected with a workpiece, and the other end of the workpiece supporting frame is a mounting end connected with the rotary table. The plastic part paint spraying device has the advantages that the workpiece replacement time can be shortened, use is convenient, and safety is high.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic part production and processing, in particular to a plastic part spraying device. Background Art

[0002] After the production of plastic parts, such as the casings of banknote printers and currency counters, in order to better improve their wear resistance and service life, it is necessary to spray paint on their surfaces.

[0003] The currently used spraying device includes a spraying chamber. When spraying plastic parts, the plastic parts are placed on a bracket, the bracket is rotated into the spraying chamber, and a spray gun is used to spray paint on them. After the spraying is completed, the bracket is rotated to the outside of the spraying chamber, and the operator removes the workpiece after spraying and replaces the workpiece to be sprayed onto the bracket. The setting of a single working station has low efficiency and long time-consuming for disassembling and assembling workpieces, and cannot meet the production requirements. Summary of the Invention

[0004] Aiming at the deficiencies of the above-mentioned prior art, the technical problem to be solved by this patent application is how to provide a plastic part spraying device that can reduce the workpiece replacement time, is easy to use, and has high safety.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A plastic part spraying device includes a water curtain spraying chamber and a plurality of workpiece support frames. A workpiece loading and unloading opening is arranged on one side of the water curtain spraying chamber. A support table is fixed outside the water curtain spraying chamber, and the support table is arranged at the lower end opposite to the workpiece loading and unloading opening. A servo motor is fixedly installed at the lower end of the support table, and an output shaft of the servo motor passes through the support table and is fixedly connected to a turntable. The turntable has an installation groove with an upper opening.

[0007] Connection structures for connecting with the workpiece support frames are arranged at both ends of the turntable. One end of the workpiece support frame is a connection end for connecting with the workpiece, and the other end of the workpiece support frame is an installation end for connecting with the turntable.

[0008] In this way, a plurality of workpiece support frames are provided, and the workpiece to be sprayed can be connected to the connection end of the workpiece support frame in advance. When spraying is required, the installation end of the workpiece support frame is connected to the turntable through the connection structure, which can realize quick installation and disassembly. At the same time, two connection structures are provided, and the servo motor is used to drive the turntable to rotate, improving the spraying efficiency.

[0009] Among them, the connection structure includes a cross plate fixedly installed on the turntable. The cross plate is provided with a jack, and a plug inserted and matched with the jack is fixed at the connection end of the workpiece support frame.

[0010] Among them, the turntable is protrudingly provided with an abutment block, which is located below the cross plate, and two electric push rods are fixedly installed in the mounting groove of the turntable. The telescopic ends of the electric push rods pass through the turntable and are fixedly connected to the pull plate, and the abutment block and the pull plate are concavely opposite to each other to form a groove. When the abutment block and the pull plate are in contact with each other, the grooves of the abutment block and the pull plate form a limiting groove and are in contact with the latch.

[0011] There are three sockets, and the mounting end of the workpiece support frame is in a "mountain" shape and is fixed with three pins that are plugged into and matched with the sockets.

[0012] Among them, two cover shells are slidably matched on the turntable, and a connecting plate is fixed downwardly at the opposite ends of the two cover shells through a connecting block, and a light hole and a threaded hole are respectively opened at both ends of the connecting plate. A screw is rotatably installed in the mounting groove of the turntable, and a guide rod is fixed in the mounting groove of the turntable. The light hole of the connecting plate is slidably matched with the guide rod, and the threaded hole of the connecting plate is connected to the screw through threads. A driven bevel gear is fixed in the middle of the screw, and a servo motor is fixedly installed in the mounting groove of the turntable, and an active bevel gear meshing with the driven bevel gear is fixedly installed on the output shaft of the servo motor.

[0013] Wherein, a blocking cover is fixed on the turntable, and the blocking cover is provided with a giving way groove allowing the connecting block to slide and cooperate.

[0014] In summary, the plastic parts painting device has the advantages of being able to reduce workpiece replacement time, being easy to use, and being highly safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a structural schematic diagram of a plastic part painting device.

[0016] Figure 2 The utility model is a schematic diagram of a plastic parts painting device without a water curtain painting room.

[0017] Figure 3 for Figure 2 Schematic diagram with one side cover and baffle removed.

[0018] Figure 4 for Figure 3 Enlarged schematic diagram at point A in the middle.

[0019] Figure 5 for Figure 3 Another schematic diagram.

[0020] Figure 6 for Figure 5 An enlarged schematic diagram of point B. DETAILED DESCRIPTION

[0021] The present utility model will be further described in detail below in conjunction with the accompanying drawings. In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by orientation words such as "upper, lower" and "top, bottom" is usually based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description. Without contrary description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection scope of the present utility model; the orientation words "inner, outer" refer to the inside and outside relative to the contour of each component itself.

[0022] As Figure 1-6 shown, a plastic part painting device includes a water curtain painting chamber 1 and a number of workpiece support frames 2. A workpiece loading and unloading opening is provided on one side of the water curtain painting chamber. A support platform 3 is fixed outside the water curtain painting chamber. The support platform is arranged at the lower end opposite to the workpiece loading and unloading opening. A servo motor 4 is fixedly installed at the lower end of the support platform. The output shaft of the servo motor passes through the support platform and is fixedly connected to a turntable 5. The turntable has an installation groove with an open upper end;

[0023] Both ends of the turntable are provided with connection structures for connecting with the workpiece support frames. One end of the workpiece support frame is a connection end 6 for connecting with the workpiece, and the other end of the workpiece support frame is an installation end 7 for connecting with the turntable.

[0024] In this way, a number of workpiece support frames are provided, and the workpieces to be painted can be connected to the connection ends of the workpiece support frames in advance. When painting is required, the installation ends of the workpiece support frames are connected to the turntable through the connection structures, which can achieve quick installation and disassembly. At the same time, two connection structures are provided, and the servo motor is used to drive the turntable to rotate, improving the painting efficiency. Through quick installation and disassembly, the time for manual contact with the paint mist is reduced, better ensuring safety.

[0025] Specifically, a painting mechanism and a water curtain are installed in the water curtain painting chamber. The water curtain painting chamber has a water tank. The painting mechanism includes a spray gun, a paint tank, pipelines, etc., which belong to the existing structure.

[0026] A number of workpiece support frames are provided. After painting, the workpieces with the workpiece support frames can be directly moved to the drying station for drying without disassembling the workpieces.

[0027] During implementation, the connection structure includes a cross plate 11 fixedly installed on the turntable. The cross plate is provided with a jack through it. A plug pin 12 that is inserted and matched with the jack is fixed at the connection end of the workpiece support frame. It is convenient for quick connection.

[0028] During implementation, a butting block 13 is protrudingly arranged on the turntable. The butting block is located below the cross plate. Two electric push rods 14 are fixedly installed in the installation groove of the turntable. The telescopic ends of the electric push rods pass through the turntable and are fixedly connected to a pull plate 15. The butting block and the pull plate are concavely formed with grooves. When the butting block and the pull plate are in contact, the grooves of the butting block and the pull plate enclose a limiting groove and are in contact with the pin. It can improve the connection stability and prevent the workpiece support frame from rotating.

[0029] During implementation, three jacks are provided. The installation end of the workpiece support frame is in a "mountain" shape and is fixed with three pins that are inserted and matched with the jacks. It further improves the connection reliability.

[0030] During implementation, two housing covers 16 are slidably matched on the turntable. The opposite ends of the two housing covers are fixedly connected to a connecting plate 18 through a connecting block 17 downward. Light holes and threaded holes are respectively formed at both ends of the connecting plate. A screw rod 21 is rotatably installed in the installation groove of the turntable. A guide rod 22 is fixedly installed in the installation groove of the turntable. The light hole of the connecting plate is slidably matched with the guide rod. The threaded hole of the connecting plate is threadedly connected to the screw rod. A driven bevel gear 23 is fixed in the middle of the screw rod. A servo motor 24 is fixedly installed in the installation groove of the turntable. The output shaft of the servo motor is fixedly installed with a driving bevel gear that meshes with the driven bevel gear.

[0031] In this way, the two housing covers can shield the installation end of the workpiece support frame. The servo motor drives the screw rod to rotate, realizing the synchronous movement of the two housing covers. When painting is required, the two housing covers move towards the direction of the water curtain painting chamber. The housing covers shield the installation end of the workpiece support frame located inside the water curtain painting chamber, and the housing covers give way to the installation end of the workpiece support frame located outside the water curtain painting chamber, facilitating the replacement of the workpiece support frame on the outside. At the same time, it avoids spraying paint onto the installation end of the workpiece support frame, facilitating the taking and placing.

[0032] During implementation, a retaining cover 25 is fixed on the turntable. The retaining cover is provided with a relief groove 26 that allows the connecting block to be slidably matched. It can better shield the paint mist and reduce the paint mist entering the receiving groove.

[0033] Finally, it should be noted that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. In this way, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent statistics, the present invention also intends to include these modifications and variations.

Claims

1. A plastic parts painting device, comprising a water curtain painting room and a plurality of workpiece support frames, wherein a workpiece receiving and placing port is provided on one side of the water curtain painting room, characterized in that: A support platform is fixed on the outside of the water curtain spray booth, and the support platform is arranged opposite to the lower end of the workpiece pick-up and release port. A servo motor is fixedly installed on the lower end of the support platform, and the output shaft of the servo motor passes through the support platform and is fixedly connected to the turntable. The turntable has a mounting groove with an upper opening; Both ends of the turntable are provided with connection structures for connecting with the workpiece support frame, one end of the workpiece support frame is a connection end connected with the workpiece, and the other end of the workpiece support frame is a mounting end connected with the turntable.

2. A plastic part painting device according to claim 1, characterized in that: The connection structure comprises a transverse plate fixedly mounted on the turntable, the transverse plate is provided with a plug hole through it, and a plug pin which is plugged and matched with the plug hole is fixed on the connection end of the workpiece support frame.

3. A plastic part painting device according to claim 1, characterized in that: The turntable is protrudingly provided with an abutment block, which is located below the cross plate. Two electric push rods are fixedly installed in the mounting groove of the turntable. The telescopic ends of the electric push rods pass through the turntable and are fixedly connected to the pull plate. The abutment block and the pull plate are concavely opposed to each other to form a groove. When the abutment block and the pull plate are in contact, the grooves of the abutment block and the pull plate form a limiting groove and are in contact with the latch.

4. A plastic part painting device according to claim 2, characterized in that: There are three sockets, and the installation end of the workpiece support frame is in a "mountain" shape and is fixed with three pins that are plugged and matched with the sockets.

5. A plastic parts painting device according to claim 1, characterized in that: Two cover shells are slidably fitted on the turntable, and connecting plates are fixed downwardly at the opposite ends of the two cover shells through connecting blocks, and light holes and threaded holes are respectively opened at both ends of the connecting plate. A screw is rotatably installed in the mounting groove of the turntable, and a guide rod is fixed in the mounting groove of the turntable. The light hole of the connecting plate and the guide rod are slidably fitted, and the threaded hole of the connecting plate is connected to the screw through threads, and a driven bevel gear is fixed to the middle part of the screw, and a servo motor is fixedly installed in the mounting groove of the turntable, and an active bevel gear meshing with the driven bevel gear is fixedly installed on the output shaft of the servo motor.

6. A plastic part painting device according to claim 1, characterized in that: A blocking cover is fixed on the turntable, and the blocking cover is provided with a giving way groove allowing the connecting block to slide and cooperate.

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