Spraying device for solvent-free zero-VOC (volatile organic compound) epoxy seal primer

Abstract

The utility model discloses a solvent-free zero VOC epoxy seal primer spraying device which comprises a base frame, two first linear optical shafts are arranged between the inner side walls of the base frame, a first lead screw is rotationally connected between the inner side walls of the base frame, a first stepping motor is installed on one side of the base frame, and the output end of the first stepping motor is connected with the first lead screw through a coupler. Box type sliding blocks are slidably connected to the surfaces of the first linear optical shafts, the tops of the two box type sliding blocks are jointly connected with a portal frame, a first lead screw nut base is installed at the bottom of the portal frame and is in threaded connection with the first lead screw, and a Y-axis stepping lead screw moving device is arranged at the top of the portal frame; a Y-axis stepping lead screw moving device is arranged on one side of the base frame, a Z-axis stepping lead screw moving device is arranged on one side of the Y-axis stepping lead screw moving device, a spraying gun head is installed on one side of the Z-axis stepping lead screw moving device, a working platform is connected to the top of the base frame, and an automatic wooden door clamping device is arranged on the top of the working platform. The problems that the thickness of the wooden door is not uniform and the adaptability of the clamp is poor when the wooden door is manually sprayed are effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of spraying technology, and in particular to a spraying device for a solvent-free, zero-VOC epoxy sealing primer. Background Technology

[0002] Solvent-free, zero-VOC epoxy sealing primer is an epoxy-based primer that contains no solvents (i.e., no organic solvents are used) and has zero VOC (volatile organic compound) emissions. It is primarily used to provide basic protection for various surfaces, offering sealing and protective functions, and is particularly suitable for wood surfaces. This primer seals the surface of the wood, preventing moisture, oils, or other impurities from penetrating into the paint layer. It provides a smooth and uniform surface, resulting in better adhesion for subsequent coatings, such as topcoats.

[0003] However, traditional wood door spraying equipment mostly relies on manual operation. Manual spraying is inaccurate, which can easily lead to paint splatter or excessive thickness in certain areas, increasing costs. Existing fixtures are mostly rigid structures, which can easily damage the surface of the wood door and are difficult to adapt to the rapid positioning of wood doors of different sizes. Utility Model Content

[0004] To address the problems mentioned above, this utility model provides a solvent-free, zero-VOC epoxy sealing primer spraying device, which effectively solves the problems of inaccurate trajectory, uneven thickness, and poor fixture adaptability in manual spraying of wooden doors.

[0005] This utility model adopts the following technical solution: a solvent-free, zero-VOC epoxy sealing primer spraying device, including a base frame, two first linear optical axes and a first lead screw rotatably connected between the inner sidewalls of the base frame, a first stepper motor installed on one side of the base frame, the output end of the first stepper motor connected to the first lead screw through a coupling, a box-type slider slidably connected to the surface of the first linear optical axes, a gantry frame connected to the top of the two box-type sliders, a first lead screw nut seat installed at the bottom of the gantry frame, the first lead screw nut seat threadedly connected to the first lead screw, a Y-axis stepper lead screw moving device installed at the top of the gantry frame, a Z-axis stepper lead screw moving device installed on one side of the Y-axis stepper lead screw moving device, a spray gun head installed on one side of the Z-axis stepper lead screw moving device, a work platform connected to the top of the base frame, and an automatic wooden door clamping device installed at the top of the work platform.

[0006] Furthermore, the Y-axis stepper screw moving device includes two second linear optical axes and a second screw. The top of the gantry is connected to the two second linear optical axes and rotatably connected to the second screw. A second stepper motor is installed on one side of the gantry. The output end of the second stepper motor is connected to the second screw through a coupling. A C-shaped plate is slidably connected to the surface of the second linear optical axis. A second screw nut seat is installed inside the C-shaped plate. The second screw nut seat is threadedly connected to the second screw.

[0007] Furthermore, the Z-axis stepper screw moving device includes two third linear optical axes and a third screw. One side of the C-shaped plate is connected to the two third linear optical axes and rotatably connected to the third screw. A third stepper motor is installed on the top of the C-shaped plate. The output end of the third stepper motor is connected to the third screw through a coupling. A slide table is slidably connected to the surface of the third linear optical axis. The slide table is threadedly connected to the third screw. The spray gun head is installed on the front of the slide table.

[0008] Furthermore, the automatic wooden door clamping device includes fixed plates installed on both sides of the top of the work platform. Two sliding grooves are opened on the top of the work platform, and sliders are arranged in the sliding grooves. Moving plates are arranged on the top of the two sliders, and several springs are arranged between the moving plates and one of the fixed plates.

[0009] Furthermore, a rubber protective pad is provided on one side of both the other fixed plate and the movable plate.

[0010] The advantages of this invention are: it uses solvent-free, zero-VOC epoxy coating, eliminating harmful gas emissions and meeting green production requirements; fully automated spraying reduces manual intervention, significantly improving work efficiency and coating quality; a three-axis stepper screw system achieves high-precision trajectory control, ensuring uniform coating without missed areas; spraying parameters are programmable and adjustable to adapt to different process requirements; the spring and slide rail clamping device automatically adapts to the size of the wooden door, and rubber protective pads prevent surface damage; the structure is simple and reliable, with low maintenance costs. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the structure of this utility model;

[0013] Figure 3 This is a schematic diagram of the Z-axis stepping screw moving device of this utility model;

[0014] Figure 4 This is a schematic diagram of the automatic clamping wooden door device of this utility model.

[0015] In the diagram, 1-base frame, 2-first linear optical axis, 3-first lead screw, 4-first stepper motor, 5-box-type slider, 6-gantry frame, 61-first lead screw nut seat, 7-Y-axis stepper lead screw moving device, 8-Z-axis stepper lead screw moving device, 9-spray gun head, 10-work platform, 11-automatic wooden door clamping device, 701-second linear optical axis, 702-second lead screw, 703-second stepper motor, 704-C-shaped plate, 705-second lead screw nut seat, 801-third linear optical axis, 802-third lead screw, 803-third stepper motor, 804-slide table, 111-fixed plate, 112-slide groove, 113-slider, 114-moving plate, 115-spring. Detailed Implementation

[0016] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0017] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0018] See Figure 1-4As shown, a solvent-free, zero-VOC epoxy sealing primer spraying device includes a base frame 1. Two first linear optical axes 2 are arranged between the inner side walls of the base frame 1, and a first lead screw 3 is rotatably connected to them. A first stepper motor 4 is installed on one side of the base frame 1. The output end of the first stepper motor 4 is connected to the first lead screw 3 through a coupling. A box-type slider 5 is slidably connected to the surface of the first linear optical axes 2. The tops of the two box-type sliders 5 are connected to a gantry frame 6. A first lead screw nut seat 61 is installed at the bottom of the gantry frame 6. The first lead screw nut seat 61 is threadedly connected to the first lead screw 3. A Y-axis stepper lead screw moving device 7 is provided on the top of the gantry frame 6. A Z-axis stepper lead screw moving device 8 is provided on one side of the Y-axis stepper lead screw moving device 7. A spray gun head 9 is installed on one side of the Z-axis stepper lead screw moving device 8. A work platform 10 is connected to the top of the base frame 1. An automatic wooden door clamping device 11 is provided on the top of the work platform 10.

[0019] The Y-axis stepper screw moving device 7 includes two second linear optical axes 701 and a second screw 702. The top of the gantry frame 6 is connected to the two second linear optical axes 701 and rotatably connected to the second screw 702. A second stepper motor 703 is installed on one side of the gantry frame 6. The output end of the second stepper motor 703 is connected to the second screw 702 through a coupling. A C-shaped plate 704 is slidably connected to the surface of the second linear optical axis 701. A second screw nut seat 705 is installed inside the C-shaped plate 704 and is threadedly connected to the second screw 702. The second stepper motor 703 drives the second screw 702, causing the C-shaped plate 704 to move laterally along the second linear optical axis 701, ensuring that the spray gun head 9 evenly covers the width of the wooden door.

[0020] The Z-axis stepper screw moving device 8 includes two third linear optical axes 801 and a third screw 802. One side of the C-shaped plate 704 is connected to the two third linear optical axes 801 and rotatably connected to the third screw 802. A third stepper motor 803 is installed on the top of the C-shaped plate 704. The output end of the third stepper motor 803 is connected to the third screw 802 through a coupling. A slide table 804 is slidably connected to the surface of the third linear optical axes 801. The slide table 804 is threadedly connected to the third screw 802. The spray gun head 9 is installed on the front of the slide table 804. The third stepper motor 803 drives the third screw 802 to control the vertical lifting and lowering of the slide table 804, and adjusts the distance between the spray gun head 9 and the surface of the wooden door to ensure the uniformity of the coating thickness.

[0021] The automatic door clamping device 11 includes fixed plates 111 installed on both sides of the top of the work platform 10. Two slide grooves 112 are opened on the top of the work platform 10. Slider 113 is installed in the slide grooves 112. A movable plate 114 is installed on the top of the two sliders 113. Several springs 115 are arranged between the movable plate 114 and one of the fixed plates 111. The design of the springs 115 and the slide grooves 112 allows the movable plate 114 to adapt to the width of the door and quickly complete the clamping / release.

[0022] Both the fixed plate 111 and the movable plate 114 are equipped with rubber protective pads on one side. The rubber material buffers the clamping pressure and further protects the integrity of the paint film on the surface of the wooden door.

[0023] Working principle: After the wooden door is placed on the work platform 10, the fixed plates 111 on both sides and the movable plate 114 adaptively clamp the edge of the wooden door under the action of the spring 115. The rubber protective pad provides flexible contact to prevent surface scratches. The movable plate 114 slides along the slide groove 112, automatically adjusting the clamping distance to adapt to wooden doors of different widths. The first stepper motor 4 drives the first lead screw 3 to rotate, driving the gantry frame 6 to move horizontally along the first linear optical axis 2, covering the length direction of the wooden door. The second stepper motor 703 drives the second lead screw 702, causing the C-shaped plate 70 to move horizontally. 4. Move laterally along the second linear optical axis 701 to cover the width of the wooden door; the third stepper motor 803 drives the third lead screw 802 to control the vertical lifting of the slide table 804, adjusting the distance between the spray gun head 9 and the surface of the wooden door. The spray gun head 9 moves along a preset path under the linkage of the XYZ three axes to ensure that the solvent-free epoxy primer evenly covers the surface of the wooden door; the coating thickness is kept consistent through the closed-loop control of the gun head movement speed and the paint output; after the spraying is completed, the clamping device automatically releases the wooden door, and the gantry returns to the initial position to prepare for the next work cycle.

[0024] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0025] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A solvent-free, zero-VOC epoxy sealing primer spraying device, comprising a base frame (1), characterized in that: Two first linear optical axes (2) and a first lead screw (3) are rotatably connected between the inner walls of the base frame (1). A first stepper motor (4) is installed on one side of the base frame (1). The output end of the first stepper motor (4) is connected to the first lead screw (3) through a coupling. A box-type slider (5) is slidably connected to the surface of the first linear optical axis (2). The tops of the two box-type sliders (5) are connected to a gantry frame (6). A first lead screw nut seat (6) is installed at the bottom of the gantry frame (6). 1) The first lead screw nut seat (61) is threadedly connected to the first lead screw (3). The top of the gantry frame (6) is provided with a Y-axis stepping lead screw moving device (7). A Z-axis stepping lead screw moving device (8) is provided on one side of the Y-axis stepping lead screw moving device (7). A spray gun head (9) is installed on one side of the Z-axis stepping lead screw moving device (8). A work platform (10) is connected to the top of the base frame (1). An automatic clamping wooden door device (11) is provided on the top of the work platform (10).

2. The spraying device for a solvent-free, zero-VOC epoxy sealing primer according to claim 1, characterized in that: The Y-axis stepper screw moving device (7) includes two second linear optical axes (701) and a second screw (702). The top of the gantry (6) is connected to the two second linear optical axes (701) and rotatably connected to the second screw (702). A second stepper motor (703) is installed on one side of the gantry (6). The output end of the second stepper motor (703) is connected to the second screw (702) through a coupling. A C-shaped plate (704) is slidably connected to the surface of the second linear optical axis (701). A second screw nut seat (705) is installed inside the C-shaped plate (704). The second screw nut seat (705) is threadedly connected to the second screw (702).

3. The spraying device for a solvent-free, zero-VOC epoxy sealing primer according to claim 2, characterized in that: The Z-axis stepper screw moving device (8) includes two third linear optical axes (801) and a third screw (802). One side of the C-shaped plate (704) is connected to the two third linear optical axes (801) and rotatably connected to the third screw (802). A third stepper motor (803) is installed on the top of the C-shaped plate (704). The output end of the third stepper motor (803) is connected to the third screw (802) through a coupling. A slide table (804) is slidably connected to the surface of the third linear optical axis (801). The slide table (804) is threadedly connected to the third screw (802). The spray gun head (9) is installed on the front of the slide table (804).

4. The spraying device for a solvent-free, zero-VOC epoxy sealing primer according to claim 3, characterized in that: The automatic door clamping device (11) includes fixed plates (111) installed on both sides of the top of the work platform (10). The top of the work platform (10) has two slide grooves (112). Slider (113) is provided in the slide grooves (112). Movable plates (114) are provided on the top of the two sliders (113). Several springs (115) are provided between the movable plate (114) and one of the fixed plates (111).

5. The spraying apparatus for a solvent-free, zero-VOC epoxy sealing primer according to claim 4, characterized in that: A rubber protective pad is provided on one side of the other fixed plate (111) and the movable plate (114).

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