A paint spraying device
By introducing a conveying mechanism into the paint spraying device, using a servo motor to drive and control gears and annular toothed belts, combined with directional gears and toothed plates, continuous and comprehensive spraying of workpieces is achieved, solving the problems of incomplete nozzle coverage and discontinuous spraying, and improving spraying efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BLUE ARROW TECHNOLOGY (QUZHOU) CO LTD
- Filing Date
- 2025-07-17
- Publication Date
- 2026-06-19
AI Technical Summary
When the spray nozzle is spraying paint, the workpiece and the position opposite the spray nozzle cannot be fully covered by the paint. In addition, when processing multiple sets of workpieces, it is necessary to use auxiliary drive equipment to rotate or remove the fixture, resulting in discontinuous spraying process and low efficiency.
A conveying mechanism is set on the processing table, including a moving frame, control gears, annular toothed belts and servo motors. The servo motor drives the control gears to rotate the annular toothed belts. Combined with the directional gears and toothed plates, continuous and comprehensive spraying of the workpieces is achieved. The fixture moves in a straight line while rotating in a circular motion.
It achieves full coverage of all positions on the workpiece, improves spraying efficiency, enables continuous spraying of multiple workpieces, and avoids additional rotation or disassembly steps.
Smart Images

Figure CN224371791U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of spraying device technology, specifically a paint spraying device. Background Technology
[0002] Metal workpieces can rust due to oxidation and acid / alkali corrosion. Therefore, after the metal workpieces are manufactured, a coating device consisting of a pump, nozzle, and fixture is used to spray coating onto the workpiece surface, thereby forming a protective coating that significantly improves the quality of the workpiece and extends its service life.
[0003] After the workpiece is clamped and fixed by the fixture on the coating device, the workpiece is fixed in position relative to the spraying position. When the nozzle is spraying the coating, the position of the workpiece opposite to the nozzle cannot be fully covered by the coating, so an auxiliary drive device is required to rotate the workpiece. Moreover, when processing multiple sets of workpieces, the workpieces that have been sprayed at the fixture need to be removed first, making the overall spraying process discontinuous and the overall spraying efficiency low. In view of the shortcomings of the existing technology, we propose a coating spraying device to solve the above problems. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a paint spraying device that solves the problem that when the spray nozzle is spraying paint, the position of the workpiece facing away from the nozzle cannot be fully covered by the paint, which requires an additional auxiliary drive device to rotate the workpiece. Furthermore, when processing multiple sets of workpieces, the workpieces that have been sprayed at the fixture need to be removed first, resulting in a discontinuous overall spraying process.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a paint spraying device, comprising a processing table, a top frame, a spray head, a delivery pipe, a pump body, a paint cylinder, and a fixture for holding the workpiece. The top surface of the processing table is provided with a conveying mechanism, which includes:
[0006] Two sets of the movable frames are arranged on the top surface of the processing table;
[0007] A fixed cover is fixedly installed on one side of the movable frame. The fixed cover is equipped with a control gear and an annular toothed belt in a meshing state. A servo motor connected to a set of control gears is installed on one side of the movable frame.
[0008] A connector is fixedly mounted on the outer peripheral wall of the annular toothed belt. One end of the connector, which extends to the outside of the fixed cover, is rotatably connected to an adjusting gear, and one side of the adjusting gear is fixedly connected to one end of the clamp.
[0009] The toothed plate is fixedly mounted on one side of the fixed cover and meshes with multiple sets of directional gears.
[0010] Preferably, the outer wall of the fixed cover is provided with an annular groove for the directional movement of the connector.
[0011] Preferably, a hollow shell for supporting the servo motor is fixedly connected to the side of the movable frame away from the clamp.
[0012] Preferably, each of the two sets of movable frames is provided with an adjustment component on one side, the adjustment component being used to adjust the lateral position of the two sets of movable frames.
[0013] Preferably, the adjustment assembly includes an electric telescopic rod fixedly disposed between the side wall of the top frame and the movable frame, and a guide rod fixedly disposed between the movable frame and the processing table for positioning and moving the movable frame.
[0014] Preferably, the side of the processing table is provided with a guide slide for positioning and moving one end of the guide rod.
[0015] Preferably, one side of the movable frame is fixedly connected to an annular cover for shielding and protecting the connectors and directional gears.
[0016] Preferably, a baffle for shielding and protecting the toothed plate is fixedly connected to one side of the fixed cover.
[0017] This utility model discloses a paint spraying device, which has the following beneficial effects: The paint spraying device sets two sets of moving frames on the processing table. The moving frames drive multiple sets of clamps to move through an annular toothed belt, control gears, and servo motors, so as to realize continuous feeding and spraying of workpieces. The annular toothed belt, combined with connecting parts, directional gears, and toothed plates, can drive the workpiece to rotate in a circle on the basis of linear movement, so that each position of the workpiece can rotate to the position corresponding to the spray head, realizing continuous and comprehensive spraying processing of the workpiece at the spraying device. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a schematic diagram of the connection structure of the clamp and the conveying mechanism of this utility model;
[0021] Figure 3 This is a schematic diagram of the adjustment component structure of this utility model;
[0022] Figure 4 This is a cross-sectional view of the internal structure of the fixed cover of this utility model;
[0023] Figure 5 This is a schematic diagram of the connection structure between the annular toothed belt and the clamp of this utility model;
[0024] Figure 6 This is a schematic diagram of the clamp, directional gear, and gear plate connection structure of this utility model;
[0025] Figure 7 This is a schematic diagram of the annular cover and baffle structure of this utility model.
[0026] In the diagram: 1. Processing table; 2. Top frame; 3. Sprayer head; 4. Delivery pipe; 5. Pump body; 6. Paint cylinder; 7. Fixture; 8. Conveying mechanism; 81. Moving frame; 82. Fixed cover; 83. Control gear; 84. Annular toothed belt; 85. Servo motor; 86. Connector; 861. Annular cover; 87. Directional gear; 88. Toothed plate; 881. Baffle; 89. Hollow shell; 90. Adjustment assembly; 91. Electric telescopic rod; 92. Guide rod; 93. Guide slide. Detailed Implementation
[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0028] This application provides a paint spraying device that solves the problem that when the spray nozzle is spraying paint, the position of the workpiece opposite the spray nozzle cannot be fully covered by the paint, which requires an additional auxiliary drive device to rotate the workpiece. Furthermore, when processing multiple sets of workpieces, the workpieces that have been sprayed at the fixture need to be removed first, resulting in a discontinuous overall spraying process. This device achieves continuous and comprehensive spraying processing of the workpiece.
[0029] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.
[0030] This utility model discloses a paint spraying device.
[0031] According to the appendix Figure 1-7As shown, the assembly includes a processing table 1, a top frame 2 fixedly mounted on the outer wall of the processing table 1, multiple sets of nozzles 3 fixedly mounted on the inner top surface of the top frame 2, a pump body 5 and a paint cylinder 6 mounted on one side of the processing table 1, a delivery pipe 4 positioned between the multiple sets of nozzles 3, the pump body 5 and the paint cylinder 6, and a fixture 7 for clamping the workpiece. The type of fixture 7 is not specifically limited; the appropriate type is selected based on actual needs. Specifically, when spraying paint onto the surface of the workpiece, the workpiece is first clamped by the fixture 7. When the workpiece moves to the lower part of the nozzle 3, the pump body 5 delivers the paint in the paint cylinder 6 to the nozzle 3 through the delivery pipe 4, and then sprays it onto the surface of the workpiece through the nozzle 3.
[0032] See attached document Figure 2-7 The top surface of the processing table 1 is equipped with a conveying mechanism 8. This mechanism allows for the linear conveying and spraying of multiple workpieces while simultaneously rotating the workpieces to apply paint to various locations on their surfaces. The conveying mechanism 8 includes two moving frames 81, each mounted on the top surface of the processing table 1. A fixed cover 82 is fixedly mounted on one side of each moving frame 81. Inside the fixed cover 82 are meshed control gears 83 and an annular toothed belt 84. A servo motor 85 connected to one set of control gears 83 is mounted on one side of each moving frame 81. By activating the servo motor 85, the connected control gears 83 rotate. The meshing of the control gears 83 with the annular toothed belt 84 further drives the annular toothed belt... The belt 84 rotates in a ring to drive the workpiece to move in a straight line on the processing table 1. Specifically, the two ends of the processing table 1 are the loading end and unloading end of the workpiece, respectively. Therefore, the multiple sets of clamps 7 located at the lower part of the ring toothed belt 84 do not clamp the workpiece. The side of the moving frame 81 away from the clamps 7 is fixedly connected to a hollow shell 89 for supporting the servo motor 85. The connecting piece 86 is fixedly installed on the outer peripheral wall of the ring toothed belt 84. The outer wall of the fixed cover 82 has an annular groove for the directional movement of the connecting piece 86. The end of the connecting piece 86 that extends to the outside of the fixed cover 82 through the annular groove is rotatably connected to a directional gear 87. One side of the directional gear 87 is fixedly connected to one end of the clamps 7. The toothed plate 88 is fixedly installed on one side of the fixed cover 82 and meshes with the multiple sets of directional gears 87.
[0033] See attached document Figure 7 The movable frame 81 is fixedly connected to one side of an annular cover 861 for shielding and protecting the connector 86 and the directional gear 87, and the fixed cover 82 is fixedly connected to one side of a baffle 881 for shielding and protecting the toothed plate 88, so as to reduce the adhesion of paint to the upper surface of the directional gear 87 and the toothed plate 88.
[0034] See attached document Figure 2-3Each of the two sets of movable frames 81 is provided with an adjustment component 9 on one side. The adjustment component 9 is used to adjust the lateral position of the two sets of movable frames 81. The adjustment component 9 includes an electric telescopic rod 91 fixedly installed between the side wall of the top frame 2 and the movable frame 81, and a guide rod 92 fixedly installed between the movable frame 81 and the processing table 1 for positioning and moving the movable frame 81. The side of the processing table 1 is provided with a guide slide 93 for positioning and moving one end of the guide rod 92. An equipment box is fixedly connected to the side wall of the top frame 2. The equipment box contains a power device for controlling the telescopic adjustment of the electric telescopic rod 91. The power device is not specifically shown in the attached drawings.
[0035] In summary, before coating the workpiece surface, firstly, according to the workpiece size, activate two sets of electric telescopic rods 91, so that the two sets of electric telescopic rods 91, with the assistance of guide rods 92, drive the two sets of moving frames 81 to move on the top surface of the processing table 1, so as to adjust the distance between the clamps 7 set on one side of the two sets of moving frames 81. Then, multiple sets of workpieces are sequentially clamped and fixed between the two sets of moving frames 81 by a set of clamps 7 from the loading end of the processing table 1.
[0036] Next, the servo motor 85 is turned on, which drives a set of control gears 83 connected to it to rotate. At this time, under the meshing of the control gears 83 and the annular toothed belt 84, the annular toothed belt 84 rotates in a ring, so as to move multiple sets of workpieces in a linear direction on the processing table 1, that is, multiple sets of workpieces move from the loading end to the unloading end of the processing table 1. During this process, the workpieces will move to the lower part of multiple sets of nozzles 3. At this time, with the assistance of the pump body 5 and the delivery pipe 4, the nozzles 3 spray the paint inside the paint cylinder 6. When multiple workpieces move linearly on the processing table 1 while being coated on the workpiece surface, the clamping fixture 7 holding the workpiece is combined with the annular toothed belt 84 through the adjusting gear 87 and the connecting piece 86. During this process, the adjusting gear 87 moves along the surface of the toothed plate 88, so that the clamping fixture 7 holding the workpiece rotates in the circumferential direction under the meshing of the toothed plate 88 and the adjusting gear 87, so that different parts of the workpiece rotate to the position corresponding to the spray head 3, so as to spray the workpiece surface comprehensively and improve the spraying efficiency.
[0037] Finally, when the coated workpiece moves to the discharge end of the processing table 1 under the conveyor belt 84, it can be unloaded by the external unloading device. This process is repeated to complete the continuous coating process of multiple workpieces.
[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A paint spraying device, comprising a processing table (1), a top frame (2), a spray head (3), a delivery pipe (4), a pump body (5), a paint cylinder (6), and a fixture (7) for holding workpieces, characterized in that, The top surface of the processing table (1) is provided with a conveying mechanism (8), which includes: Two sets of the movable frames (81) are arranged on the top surface of the processing table (1); A fixed cover (82) is fixedly installed on one side of the movable frame (81). The fixed cover (82) is provided with a control gear (83) and an annular toothed belt (84) in a meshing state. A servo motor (85) connected to a set of control gears (83) is provided on one side of the movable frame (81). A connector (86) is fixedly disposed on the outer peripheral wall of the annular toothed belt (84). One end of the connector (86) extending to the outside of the fixed cover (82) is rotatably connected to an adjusting gear (87), and one side of the adjusting gear (87) is fixedly connected to one end of the clamp (7). The toothed plate (88) is fixedly mounted on one side of the fixed cover (82) and meshes with multiple sets of directional gears (87); The outer wall of the fixed cover (82) is provided with an annular groove for the directional movement of the connector (86); the side of the moving frame (81) away from the clamp (7) is fixedly connected to a hollow shell (89) for supporting the servo motor (85). Each of the two sets of movable frames (81) is provided with an adjustment component (9) on one side. The adjustment component (9) is used to adjust the lateral position of the two sets of movable frames (81). The adjustment component (9) includes an electric telescopic rod (91) fixedly disposed between the side wall of the top frame (2) and the movable frame (81) and a guide rod (92) fixedly disposed between the movable frame (81) and the processing table (1) for positioning and moving the movable frame (81).
2. The paint spraying device according to claim 1, characterized in that: The side of the processing table (1) is provided with a guide slide (93) for positioning and moving one end of the guide rod (92).
3. The paint spraying device according to claim 1, characterized in that: One side of the movable frame (81) is fixedly connected to an annular cover (861) for shielding and protecting the connector (86) and the directional gear (87).
4. The paint spraying device according to claim 1, characterized in that: A baffle (881) for shielding and protecting the toothed plate (88) is fixedly connected to one side of the fixed cover (82).