Lost foam casting coating spraying machine

Abstract

The lost foam casting coating spraying machine comprises a spraying machine body, a discharging opening of the spraying machine body is connected with a conveying hose, and a spraying gun is arranged at the end, away from the spraying machine body, of the conveying hose; the device further comprises a glove box, and a carrying disc is arranged on the inner wall of the bottom of the glove box. A rotary driving mechanism is mounted on the outer wall of the bottom of the glove box and is connected with the carrying disc; the end, provided with the spray gun, of the conveying hose extends into the glove box. The device has the beneficial effects that the glove box is arranged, and meanwhile, the spray gun and part of the conveying hose are arranged in the glove box, so that spraying treatment of a workpiece is carried out in the glove box, the situation that a coating is diffused and splashed to the outside in the spraying process is greatly reduced, the situation that the coating is sprayed to the body due to misoperation is avoided, and protection is provided for workers.

Description

Technical Field

[0001] The present application relates to the field of lost foam casting coatings, in particular to a lost foam casting coating sprayer. Background Art

[0002] Lost foam casting is a new casting method that combines paraffin or foam models with similar size and shape to the casting into a model cluster, sprays refractory coating and dries it, buries it in dry quartz sand for vibration molding, and pours it under negative pressure to vaporize the model, allowing liquid metal to occupy the model position and form a casting after solidification and cooling.

[0003] In lost foam casting, when spraying refractory coating on paraffin or foam model workpieces, construction workers generally hold the spray gun of the paint sprayer directly, walk around the workpiece with the spray gun, and adjust the spraying position by moving their arms to achieve spraying operations at various positions of the workpiece; in this spraying method, if protective equipment is not worn properly or not worn at all, the skin of construction workers can easily come into direct contact with the splashed paint, which will cause harm to the human body.

[0004] Therefore, a lost foam casting coating spraying machine is proposed in view of the above problems. Summary of the invention

[0005] In this embodiment, a lost foam casting paint spraying machine is provided to solve the problem in the prior art that the paint is easily splashed or sprayed onto human skin during the spraying process.

[0006] According to one aspect of the present application, a lost foam casting paint sprayer is provided, comprising a sprayer body, a material outlet of the sprayer body being connected to a delivery hose, a spray gun being provided at one end of the delivery hose away from the sprayer body; further comprising a glove box, a carrier plate being provided at the bottom inner wall of the glove box; a rotary drive mechanism being installed on the bottom outer wall of the glove box, the rotary drive mechanism being connected to the carrier plate; one end of the delivery hose on which the spray gun is installed extends to the interior of the glove box.

[0007] Furthermore, the glove box includes a table, gloves, and a cover body fixedly mounted on the top surface of the table; a through hole is opened on the rear side of the cover body, the outer edge of the entrance of the glove is fixedly bonded to the hole wall of the through hole, and the glove is arranged inside the cover body; a support frame is fixedly mounted on the bottom of the table.

[0008] Furthermore, an entrance groove is opened on the front side of the cover body, and a door panel is installed in the entrance groove.

[0009] Furthermore, a feeding pipe is provided in communication at the lower center of the carrier plate, the feeding pipe passes through the table plate, and the feeding pipe is rotatably mounted on the table plate.

[0010] Furthermore, the rotary drive mechanism includes a motor, a first gear and a second gear, the first gear is fixedly sleeved on the outer wall of the discharge pipe, the motor is fixedly installed on the bottom of the table, the output shaft end of the motor is fixedly connected to the middle part of the second gear, and the first gear is meshingly connected to the second gear.

[0011] Furthermore, a storage frame is provided inside the glove box, and the storage frame is located at one side of the gloves, and the portion of the delivery hose located inside the glove box and the spray gun are placed inside the storage frame.

[0012] Furthermore, it also includes a material box, and the feed port of the spraying machine body is connected to the lower part of the material box.

[0013] Furthermore, the top of the material box is open, and the opening faces the bottom end of the feeding pipe.

[0014] Furthermore, a plurality of carrier bars are fixedly mounted on the disk surface of the carrier disk, and the plurality of carrier bars are distributed in a circular array with the lower material pipe as the center; a fan-shaped groove is formed between two adjacent carrier bars.

[0015] Furthermore, the lower part of the carrier plate is a funnel-shaped structure.

[0016] The benefits of the present application are as follows: compared with the prior art, the lost foam casting paint spraying machine proposed in the present application provides a glove box, and at the same time, the spray gun and part of the delivery hose are arranged in the glove box, so that the spraying process of the workpiece is carried out in the glove box, which greatly reduces the paint splashing and diffusion to the outside during the spraying process, and contacts with human skin, and avoids operating errors and spraying on the body, and provides protection for the staff when the protective equipment is not worn properly;

[0017] A carrier plate and a rotary drive mechanism are further provided. The carrier plate is used for carrying and placing the workpiece, and the rotary drive mechanism drives the carrier plate to rotate. During the spraying operation, the workpiece is caused to rotate. Through the rotation, the positions of the workpiece around it automatically approach the spray gun held by the staff, thereby reducing the movement of the staff's hands and avoiding the staff from walking around the workpiece to adjust the spraying position, thereby providing convenience for the spraying of the workpiece and reducing the labor intensity of manual labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present application;

[0020] Figure 2 This is a schematic diagram of the structure inside and below the glove box of an embodiment of the present application;

[0021] Figure 3 This is a schematic structural diagram of the positional relationship between the gloves and the storage frame in one embodiment of the present application;

[0022] Figure 4 A schematic diagram of a top view of the carrier plate according to an embodiment of the present application.

[0023] In the figure: 1. support frame; 2. table; 3. cover body; 301. inlet slot; 4. door panel; 5. material box; 6. gloves; 7. spray body; 701. delivery hose; 702. spray gun; 8. carrier plate; 801. carrier strip; 802. discharge pipe; 9. first gear; 10. motor; 11. second gear; 12. storage frame. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0025] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0026] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0027] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0028] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] See also Figure 1-4 As shown, a lost foam casting paint sprayer includes a spray body 7, a material outlet of the spray body 7 is connected to a conveying hose 701, and a spray gun 702 is arranged at one end of the conveying hose 701 away from the spray body 7; it also includes a glove box, and a carrier plate 8 is arranged at the bottom inner wall of the glove box; a rotary drive mechanism is installed on the bottom outer wall of the glove box, and the rotary drive mechanism is connected to the carrier plate 8; one end of the conveying hose 701 with the spray gun 702 extends to the inside of the glove box; by setting up the glove box, the spray gun 702 and part of the conveying hose 701 are arranged in the glove box at the same time, so that the spraying process of the workpiece is carried out in the glove box, which greatly reduces the paint splashing and spreading to the outside during the spraying process and contacting human skin, and avoids operating errors and spraying on the body, providing protection for the staff when the protective equipment is not worn properly.

[0031] In a specific implementation, the glove box includes a table 2, a glove 6, and a cover body 3 fixedly mounted on the top surface of the table 2; a through hole is opened on the rear side of the cover body 3, the outer edge of the entrance of the glove 6 is fixedly bonded to the hole wall of the through hole, and the glove 6 is arranged inside the cover body 3; a support frame 1 is fixedly mounted on the bottom of the table 2; an entrance groove 301 is opened on the front side of the cover body 3, and a door panel 4 is installed on the entrance groove 301; the entrance groove 301 is used for putting in or taking out the workpiece, and after the workpiece is put in or taken out, it is closed by the door panel 4; during spraying, a shield is provided around the spraying space to prevent paint from splashing.

[0032] In a specific implementation, a feed pipe 802 is connected to the lower center of the carrier plate 8, and the feed pipe 802 passes through the table plate 2, and the feed pipe 802 is rotatably installed with the table plate 2. Excess paint sprayed onto the workpiece will fall into the carrier plate 8, and the feed pipe 802 is used to discharge the excess paint in the carrier plate 8.

[0033] The rotary drive mechanism includes a motor 10, a first gear 9 and a second gear 11, wherein the first gear 9 is fixedly sleeved on the outer wall of the feed tube 802, the motor 10 is fixedly installed on the bottom of the table 2, the output shaft end of the motor 10 is fixedly connected to the middle of the second gear 11, and the first gear 9 is meshingly connected to the second gear 11; the carrier 8 is used to place the workpiece, wherein the motor 10 drives the second gear 11 to rotate, and the meshing transmission between the second gear 11 and the first gear 9 makes the feed tube 802 and the carrier 8 rotate together, and the workpiece thereon rotates together, so that the workpiece rotates during spraying, and the workpiece rotates automatically at various positions around it through self-rotation, thereby reducing the movement of the staff's hands and avoiding the staff from walking around the workpiece.

[0034] A storage frame 12 is provided inside the glove box, and the storage frame 12 is located on one side of the glove 6, and the portion of the delivery hose 701 located inside the glove box and the spray gun 702 are placed inside the storage frame 12; the storage frame 12 is used to store the portion of the delivery hose 701 located inside the glove box and the spray gun 702, wherein the delivery hose 701 is reserved with sufficient length in the glove box for the staff to drag it.

[0035] After the spraying is finished, the staff puts the spray gun 702 and the delivery hose 701 back into the storage frame 12 for next use.

[0036] It also includes a material box 5 , and the feed port of the spraying machine body 7 is connected to the lower part of the material box 5 .

[0037] The top of the material box 5 is open, and the opening is toward the bottom end of the discharge pipe 802. The paint discharged from the discharge pipe 802 can flow back into the material box 5 for recycling to avoid waste.

[0038] A plurality of carrier bars 801 are fixedly mounted on the surface of the carrier plate 8, and the plurality of carrier bars 801 are distributed in a circular array with the lower material pipe 802 as the center; a fan-shaped groove is formed between two adjacent carrier bars 801; the bottom surface of the workpiece is elevated by the carrier bars 801, and the lower material pipe 802 will not be blocked, and excess paint flows into the lower material pipe 802 through the grooves between the carrier bars 801.

[0039] The lower part of the carrier plate 8 is a funnel-shaped structure, and the funnel-shaped arrangement facilitates the paint in the carrier plate 8 to flow into the discharge pipe 802 .

[0040] Method of use: When the lost foam casting paint spraying machine proposed in the present application is used, an external power supply and a control switch are connected for power supply and electrical control; the door panel 4 is opened, the workpiece is placed in the middle of the carrier 8, the carrier strip 801 contacts the bottom surface of the workpiece, and the door panel 4 is closed; then the staff walks to the back of the cover body 3, puts his hand into the glove 6, and after wearing the glove 6, holds the spray gun 702, turns on the spray gun 702, and the spray gun 702 is directed toward the workpiece, and the spray body 7 extracts the paint in the material box 5 and transports it to the delivery hose 70 1, and then sprayed from the spray gun 702 to spray the workpiece. During spraying, the motor 10 is started, and the motor 10 drives the second gear 11 to rotate. Through the meshing transmission between the second gear 11 and the first gear 9, the feed pipe 802 and the carrier plate 8 rotate together, and the workpiece thereon rotates together, so that the workpiece rotates during spraying. Through the rotation of the workpiece, the positions around it automatically approach the spray gun 702 held by the staff, which reduces the movement of the staff's hands and avoids the staff from walking around the workpiece;

[0041] During the spraying operation, excess paint sprayed onto the workpiece will fall into the carrier plate 8, wherein the bottom surface of the workpiece is elevated by the carrier bars 801 and will not block the feed pipe 802. Excess paint flows into the feed pipe 802 through the grooves between the carrier bars 801 and then falls into the material box 5 for recycling to avoid waste.

[0042] It should be noted that the cover body 3 is made of transparent material, such as glass, and a layer of transparent plastic film is further attached to the inner wall of the cover body 3 for protection. During long-term construction, when the transparent plastic film adheres to the paint and affects the construction workers' observation of the inside of the cover body 3, it should be torn off and replaced with a new clean transparent plastic film.

[0043] The gloves 6 are made of leather, silicone or rubber.

[0044] The spraying machine body 7 adopts an airless spraying machine of model ptj-25.

[0045] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this application does not involve improvements to software and methods.

[0046] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lost foam casting coating sprayer, comprising a sprayer body (7), a delivery hose (701) connected to a material outlet of the sprayer body (7), a spray gun (702) disposed at one end of the delivery hose (701) away from the sprayer body (7); characterized in that: Also included is a glove box, wherein a carrier plate (8) is arranged on the bottom inner wall of the glove box; A rotation drive mechanism is installed on the bottom outer wall of the glove box, and the rotation drive mechanism is connected to the carrier plate (8); One end of the delivery hose (701) on which the spray gun (702) is mounted extends to the interior of the glove box.

2. The lost foam casting coating spraying machine according to claim 1, characterized in that: The glove box comprises a table (2), a glove (6), and a cover body (3) fixedly mounted on the top surface of the table (2); a through hole is provided on the rear side of the cover body (3), the outer edge of the entrance of the glove (6) is fixedly bonded to the hole wall of the through hole, and the glove (6) is arranged inside the cover body (3); a support frame (1) is fixedly mounted on the bottom of the table (2).

3. The lost foam casting coating spraying machine according to claim 2, characterized in that: An entrance groove (301) is provided on the front side of the cover body (3), and a door panel (4) is installed in the entrance groove (301).

4. The lost foam casting coating spraying machine according to claim 2, characterized in that: A feeding pipe (802) is provided at the lower center of the carrier plate (8), the feeding pipe (802) passes through the table plate (2), and the feeding pipe (802) is rotatably mounted on the table plate (2).

5. The lost foam casting coating spraying machine according to claim 4, characterized in that: The rotary drive mechanism comprises a motor (10), a first gear (9) and a second gear (11); the first gear (9) is fixedly sleeved on the outer wall of the discharge pipe (802); the motor (10) is fixedly installed on the bottom of the table (2); the output shaft end of the motor (10) is fixedly connected to the middle part of the second gear (11); and the first gear (9) is meshingly connected to the second gear (11).

6. The lost foam casting coating spraying machine according to claim 1, characterized in that: A storage frame (12) is provided inside the glove box, and the storage frame (12) is located on one side of the glove (6). The part of the delivery hose (701) located inside the glove box and the spray gun (702) are placed inside the storage frame (12).

7. The lost foam casting coating spraying machine according to claim 4, characterized in that: It also comprises a material box (5), and the feed port of the spraying machine body (7) is connected to the lower part of the material box (5).

8. The lost foam casting coating spraying machine according to claim 7, characterized in that: The top of the material box (5) is open, and the opening faces the bottom end of the discharge pipe (802).

9. The lost foam casting coating spraying machine according to claim 1, characterized in that: A plurality of carrier bars (801) are fixedly mounted on the surface of the carrier plate (8), and the plurality of carrier bars (801) are distributed in a circular array with the lower material pipe (802) as the center; a fan-shaped groove is formed between two adjacent carrier bars (801).

10. The lost foam casting coating spraying machine according to claim 1, characterized in that: The lower part of the carrier plate (8) is a funnel-shaped structure.

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