Paint supply device for robot spraying line

Abstract

The utility model provides a robot spraying line paint supply device which comprises a high-capacity storage mechanism, a low-capacity storage mechanism, a support positioning mechanism, a spraying quantification mechanism, a one-way inflow mechanism and a one-way drainage mechanism, and the high-capacity storage mechanism arranged on the paint supply device has a large storage space and can contain a large amount of paint; the low-capacity storage mechanism is used as a middle buffer to ensure that the paint can be stably and continuously conveyed to the spraying quantifying mechanism, a high-capacity stirrer is mounted in the high-capacity storage tank, a low-capacity stirrer is mounted in the low-capacity storage tank, so that the paint can be ensured to be always in a uniform state, and the paint can be continuously conveyed to the spraying quantifying mechanism; the spraying quality problem caused by paint precipitation or layering is avoided, paint consistency can be maintained, the paint conveying amount is accurately controlled through accurate cooperation of a driving air cylinder and a conveying piston of the spraying quantifying mechanism, it can be guaranteed that the paint amount sprayed every time is kept consistent, and spraying uniformity and precision are improved.

Description

Technical Field

[0001] The utility model relates to automatic painting equipment, in particular to a paint supply device for a robot spraying line. Background Art

[0002] Patent document CN213590895U discloses an automatic paint spraying machine and a spray control paint supply device, which includes two mixing barrels and a six-axis paint spraying manipulator. Support plates are fixed on the two mixing barrels, one of which is connected to a delivery pipe, one end of each of the two delivery pipes is connected to a material supply pump, and a stirring device is provided on each of the two support plates. The lower ends of the two mixing barrels are connected to a connecting pipe, one end of the connecting pipe is connected to a paint supply pump, and the paint supply pump is connected to a discharge pipe. The paint spraying manipulator is connected to a feeding pipe, which can achieve uniform paint spraying and spray multiple parts at a time, thereby improving the efficiency of paint spraying, and at the same time, the materials to be used are stirred evenly to improve the quality of paint spraying. However, the paint supply amount of this paint supply device cannot be accurately controlled, and it is not competent in some spraying conditions with high precision requirements. Therefore, it is necessary to optimize the structure of this paint supply device. Utility Model Content

[0003] The utility model aims to provide a paint supply device for a robot spraying line to improve the accuracy of spraying paint.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A paint supply device for a robot spraying line, comprising:

[0006] A high-capacity storage mechanism, wherein the high-capacity storage mechanism has a paint storage space and is used to store the paint;

[0007] A low-capacity storage mechanism, wherein the low-capacity storage mechanism has a paint storage space, the capacity of which is smaller than that of the high-capacity storage mechanism, the low-capacity storage mechanism is connected with the high-capacity storage mechanism through a pipeline, the high-capacity storage mechanism transports paint to the low-capacity storage mechanism, and the low-capacity storage mechanism stores the paint output by the high-capacity storage mechanism;

[0008] A support and positioning mechanism, the support and positioning mechanism corresponds to the position of the low-volume storage mechanism and has an assembly space inside;

[0009] A spray quantitative mechanism, which is installed in the support positioning mechanism, and is connected with the low-volume storage mechanism and the spray operation mechanism through a pipeline, and the paint is transported from the low-volume storage mechanism to the spray quantitative mechanism, and the paint is transported from the spray quantitative mechanism to the spray operation mechanism;

[0010] A one-way flow inlet mechanism, which is installed between the flow inlet portion of the spray quantitative mechanism and the low-volume storage mechanism, and can switch the flow inlet process of the spray quantitative mechanism;

[0011] The one-way discharge mechanism is installed between the discharge part of the spray quantitative mechanism and the spray operation mechanism, and can switch the discharge process of the spray quantitative mechanism.

[0012] Specifically, high-capacity storage institutions include:

[0013] A high-capacity storage tank, which is a cylindrical structure and arranged vertically to form a paint storage space inside;

[0014] A high-capacity frame, which is formed by connecting rods and arranged vertically, with its bottom placed on the assembly table. The high-capacity storage tank is installed in the high-capacity frame, and the high-capacity storage tank is supported by the high-capacity frame;

[0015] A feeding end pipe is installed on the top of the high-capacity storage tank and is connected to the inside of the high-capacity storage tank, and paint can be added into the high-capacity storage tank through the feeding end pipe;

[0016] The discharge end pipe is installed at the bottom of the high-capacity storage tank and is connected with the interior of the high-capacity storage tank. The high-capacity storage tank can output paint to the outside through the discharge end pipe.

[0017] In one embodiment of the utility model, switching valves are respectively installed in the feeding end pipe and the discharging end pipe, and the switching valves are used to switch the on-off state of the feeding end pipe and the discharging end pipe.

[0018] In one embodiment of the utility model, a high-capacity mixer is installed in the high-capacity storage tank, and the high-capacity mixer is used to stir the paint in the high-capacity storage tank to make the paint in a uniform state.

[0019] Low-volume storage facilities include:

[0020] A low-capacity storage tank, which is a cylindrical structure and arranged vertically to form a paint storage space inside. The length and diameter of the low-capacity storage tank are smaller than those of the high-capacity storage tank;

[0021] A low-volume frame, which is formed by connecting rods and arranged vertically, with its bottom placed on an assembly table. The low-volume storage tank is installed in the low-volume frame, and the low-volume storage tank is supported by the low-volume frame;

[0022] A feed end pipe is installed on the top of the low-capacity storage tank and is connected to the inside of the low-capacity storage tank. A discharge end pipe of the high-capacity storage tank is connected to the feed end pipe through a pipeline, so that paint is transported from the high-capacity storage tank to the low-capacity storage tank.

[0023] The discharge end pipe is installed at the bottom of the low-capacity storage tank and is connected with the inside of the low-capacity storage tank. The low-capacity storage tank can output paint to the outside through the discharge end pipe.

[0024] In one embodiment of the utility model, switching valves are respectively installed in the feed end pipe and the discharge end pipe, and the switching valves are used to switch the on-off state of the feed end pipe and the discharge end pipe.

[0025] The support and positioning mechanism includes:

[0026] A supporting base, which is made of a plate and arranged in the transverse direction;

[0027] The positioning frame is formed by connecting rods and arranged vertically to form an assembly space inside the positioning frame.

[0028] The spraying quantitative mechanism includes:

[0029] The quantitative cylinder shell is a cylindrical structure and is arranged vertically. A paint temporary storage space is formed inside the quantitative cylinder shell. The quantitative cylinder shell is installed in the positioning frame through a connector. A delivery piston is also provided inside the quantitative cylinder shell. The paint can be driven into the quantitative cylinder shell or output from the quantitative cylinder shell through the delivery piston.

[0030] A driving cylinder is installed in the positioning frame, and a power output end of the driving cylinder is connected to the delivery piston, which can drive the delivery piston to reciprocate in the quantitative cylinder shell.

[0031] The one-way flow mechanism includes:

[0032] An inlet check valve is installed at the inlet part of the metering cylinder shell and is connected to the inside of the metering cylinder shell. It is also connected to the discharge end pipe at the bottom of the low-capacity storage tank through a pipeline. When the low-capacity storage tank transports paint into the metering cylinder shell, the inlet check valve opens.

[0033] The one-way drainage mechanism includes:

[0034] A discharge check valve is installed at the discharge portion of the metering cylinder shell and is connected to the interior of the metering cylinder shell. It is also connected to the spraying operating mechanism through a pipeline. When the metering cylinder shell transports paint to the spraying operating mechanism, the discharge check valve opens.

[0035] The advantages of the utility model are:

[0036] The high-capacity storage mechanism of the paint supply device has a large storage space and can hold a large amount of paint, reducing the interruption of spraying or uneven supply caused by insufficient paint. The low-capacity storage mechanism serves as an intermediate buffer to ensure that the paint can be stably and continuously delivered to the spray quantitative mechanism. The high-capacity mixer is installed in the high-capacity storage tank, and the low-capacity mixer is installed in the low-capacity storage tank, which can ensure that the paint is always in a uniform state and avoid spray quality problems caused by paint precipitation or stratification. This helps to maintain the consistency of the paint, thereby improving the accuracy of spraying. The spray quantitative mechanism achieves precise control of the paint delivery amount through the precise coordination of the driving cylinder and the delivery piston. This quantitative control can ensure that the amount of paint sprayed each time is consistent, improving the uniformity and accuracy of spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 This is a structural schematic diagram of a paint supply device for a robot spraying line proposed by the utility model;

[0038] Figure 2 It is a structural diagram of the spraying operation mechanism. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0040] like Figure 1 , Figure 2As shown, the paint supply device for a robot spraying line proposed by the utility model comprises a high-capacity storage mechanism, a low-capacity storage mechanism, a support positioning mechanism, a spray quantitative mechanism, a one-way flow inlet mechanism and a one-way flow discharge mechanism. The high-capacity storage mechanism has a paint storage space, and the high-capacity storage mechanism stores the paint. The low-capacity storage mechanism has a paint storage space, and its capacity is smaller than that of the high-capacity storage mechanism. The low-capacity storage mechanism is connected with the high-capacity storage mechanism through a pipeline, and the high-capacity storage mechanism transports paint to the low-capacity storage mechanism, and the low-capacity storage mechanism stores the paint output by the high-capacity storage mechanism. The support positioning mechanism The structure corresponds to the position of the low-capacity storage mechanism, and has an assembly space inside. The spray quantitative mechanism is installed in the support positioning mechanism, and is connected with the low-capacity storage mechanism and the spray operating mechanism through pipelines. Paint is transported from the low-capacity storage mechanism to the spray quantitative mechanism, and paint is transported from the spray quantitative mechanism to the spray operating mechanism. The one-way inlet mechanism is installed between the inlet part of the spray quantitative mechanism and the low-capacity storage mechanism, and can switch the inlet process of the spray quantitative mechanism. The one-way discharge mechanism is installed between the discharge part of the spray quantitative mechanism and the spray operating mechanism, and can switch the discharge process of the spray quantitative mechanism.

[0041] In Example 1, the high-capacity storage mechanism includes a high-capacity storage tank 110, a high-capacity frame 120, a feeding end pipe 130 and a discharging end pipe 140. The high-capacity storage tank is a cylindrical structure and is arranged vertically to form a paint storage space inside it. The high-capacity frame is formed by connecting rods and is arranged vertically. Its bottom is placed on an assembly table. The high-capacity storage tank is installed in the high-capacity frame, which supports the high-capacity storage tank. The feeding end pipe is installed at the top of the high-capacity storage tank and is connected to the inside of the high-capacity storage tank. Paint can be added to the high-capacity storage tank through the feeding end pipe. The discharging end pipe is installed at the bottom of the high-capacity storage tank and is connected to the inside of the high-capacity storage tank. The high-capacity storage tank can output paint to the outside through the discharging end pipe.

[0042] The low-capacity storage mechanism includes a low-capacity storage tank 210, a low-capacity frame 220, a feed end pipe 230 and a discharge end pipe 240. The low-capacity storage tank is a cylindrical structure and is arranged vertically to form a paint storage space inside it. The length and diameter of the low-capacity storage tank are smaller than those of the high-capacity storage tank. The low-capacity frame is formed by connecting rods and is arranged vertically. Its bottom is placed on an assembly table. The low-capacity storage tank is installed in the low-capacity frame, which supports the low-capacity storage tank. The feed end pipe is installed on the top of the low-capacity storage tank and is connected to the inside of the low-capacity storage tank. The discharge end pipe of the high-capacity storage tank is connected to the feed end pipe through a pipeline, and paint is transported from the high-capacity storage tank to the low-capacity storage tank. The discharge end pipe is installed at the bottom of the low-capacity storage tank and is connected to the inside of the low-capacity storage tank. The low-capacity storage tank can output paint to the outside through the discharge end pipe.

[0043] The supporting and positioning mechanism includes a supporting base 310 and a positioning frame 320. The supporting base is made of a plate and arranged in the horizontal direction. The positioning frame is formed by connecting rods and arranged in the vertical direction to form an assembly space therein.

[0044] The spray quantitative mechanism includes a quantitative cylinder shell 410 and a driving cylinder 420. The quantitative cylinder shell is a cylindrical structure and is arranged vertically. A paint temporary storage space is formed inside it. It is installed in a positioning frame through a connecting piece. A conveying piston is also provided inside the quantitative cylinder shell. The paint can be driven into the quantitative cylinder shell or output from the quantitative cylinder shell through the conveying piston. The driving cylinder is installed in the positioning frame, and its power output end is connected to the conveying piston, which can drive the conveying piston to reciprocate in the quantitative cylinder shell.

[0045] The one-way flow inlet mechanism includes an inlet check valve 500, which is installed at the inlet part of the quantitative cylinder shell and is connected to the inside of the quantitative cylinder shell. It is also connected to the discharge end pipe at the bottom of the low-capacity storage tank through a pipeline. When the low-capacity storage tank transports paint into the quantitative cylinder shell, the inlet check valve is opened, and the discharge check valve is closed.

[0046] The one-way discharge mechanism includes a discharge check valve 600, which is installed on the discharge part of the metering cylinder shell and is connected to the inside of the metering cylinder shell. It is also connected to the spraying operating mechanism through a pipeline. When the metering cylinder shell transports paint to the spraying operating mechanism, the discharge check valve opens, and the inlet check valve is closed at this time.

[0047] In Example 2, the high-capacity storage mechanism includes a high-capacity storage tank 110, a high-capacity frame 120, a feeding end pipe 130 and a discharging end pipe 140. The high-capacity storage tank is a cylindrical structure and is arranged vertically to form a paint storage space inside it. The high-capacity frame is formed by connecting rods and is arranged vertically. Its bottom is placed on an assembly table. The high-capacity storage tank is installed in the high-capacity frame, which supports the high-capacity storage tank. The feeding end pipe is installed at the top of the high-capacity storage tank and is connected to the inside of the high-capacity storage tank. Paint can be added to the high-capacity storage tank through the feeding end pipe. The discharging end pipe is installed at the bottom of the high-capacity storage tank and is connected to the inside of the high-capacity storage tank. The high-capacity storage tank can output paint to the outside through the discharging end pipe.

[0048] In this embodiment, switching valves are respectively installed in the feeding end pipe and the discharging end pipe, and the switching valves are used to switch the on-off state of the feeding end pipe and the discharging end pipe.

[0049] In this embodiment, a high-capacity mixer is installed in the high-capacity storage tank, and the high-capacity mixer is used to stir the paint in the high-capacity storage tank to make the paint in a uniform state.

[0050] The low-capacity storage mechanism includes a low-capacity storage tank 210, a low-capacity frame 220, a feed end pipe 230 and a discharge end pipe 240. The low-capacity storage tank is a cylindrical structure and is arranged vertically to form a paint storage space inside it. The length and diameter of the low-capacity storage tank are smaller than those of the high-capacity storage tank. The low-capacity frame is formed by connecting rods and is arranged vertically. Its bottom is placed on an assembly table. The low-capacity storage tank is installed in the low-capacity frame, which supports the low-capacity storage tank. The feed end pipe is installed on the top of the low-capacity storage tank and is connected to the inside of the low-capacity storage tank. The discharge end pipe of the high-capacity storage tank is connected to the feed end pipe through a pipeline, and paint is transported from the high-capacity storage tank to the low-capacity storage tank. The discharge end pipe is installed at the bottom of the low-capacity storage tank and is connected to the inside of the low-capacity storage tank. The low-capacity storage tank can output paint to the outside through the discharge end pipe.

[0051] In this embodiment, switching valves are installed in the feed end pipe and the discharge end pipe respectively, and the switching valves are used to switch the on and off states of the feed end pipe and the discharge end pipe.

[0052] In this embodiment, a low-volume mixer is installed in the low-volume storage tank, and the low-volume mixer is used to stir the paint in the low-volume storage tank to make the paint in a uniform state.

[0053] The supporting and positioning mechanism includes a supporting base 310 and a positioning frame 320. The supporting base is made of a plate and arranged in the horizontal direction. The positioning frame is formed by connecting rods and arranged in the vertical direction to form an assembly space therein.

[0054] The spray quantitative mechanism includes a quantitative cylinder shell 410 and a driving cylinder 420. The quantitative cylinder shell is a cylindrical structure and is arranged vertically. A paint temporary storage space is formed inside it. It is installed in a positioning frame through a connecting piece. A conveying piston is also provided inside the quantitative cylinder shell. The paint can be driven into the quantitative cylinder shell or output from the quantitative cylinder shell through the conveying piston. The driving cylinder is installed in the positioning frame, and its power output end is connected to the conveying piston, which can drive the conveying piston to reciprocate in the quantitative cylinder shell.

[0055] The one-way flow inlet mechanism includes an inlet check valve 500, which is installed at the inlet part of the quantitative cylinder shell and is connected to the inside of the quantitative cylinder shell. It is also connected to the discharge end pipe at the bottom of the low-capacity storage tank through a pipeline. When the low-capacity storage tank transports paint into the quantitative cylinder shell, the inlet check valve is opened, and the discharge check valve is closed.

[0056] The one-way discharge mechanism includes a discharge check valve 600, which is installed on the discharge part of the metering cylinder shell and is connected to the inside of the metering cylinder shell. It is also connected to the spraying operating mechanism through a pipeline. When the metering cylinder shell transports paint to the spraying operating mechanism, the discharge check valve opens, and the inlet check valve is closed at this time.

[0057] In this embodiment, the spraying operation mechanism includes an operating support 710 and an operating nozzle 720. The operating support is installed on the robot arm, and the operating nozzle is installed on the operating support through a screw nut substructure. The position of the operating nozzle can be adjusted on the operating support. It is also connected to the discharge check valve through a hose, and the spraying operation is performed by the operating nozzle.

[0058] In this embodiment, a pair of support positioning mechanism, spray quantitative mechanism, one-way flow inlet mechanism and one-way flow discharge mechanism are provided, which cooperate with the spray operating mechanism respectively and can operate alternately, so that the spraying process of the spray operating mechanism is closely connected.

[0059] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", "right" and the like indicating orientation or positional relationship appear, it should be understood that the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; 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 the internal connection of two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. A paint supply device for a robot spraying line, characterized in that: include: A high-capacity storage mechanism, wherein the high-capacity storage mechanism has a paint storage space and is used to store the paint; A low-capacity storage mechanism, wherein the low-capacity storage mechanism has a paint storage space, the capacity of which is smaller than that of the high-capacity storage mechanism, the low-capacity storage mechanism is connected with the high-capacity storage mechanism through a pipeline, the high-capacity storage mechanism transports paint to the low-capacity storage mechanism, and the low-capacity storage mechanism stores the paint output by the high-capacity storage mechanism; A support and positioning mechanism, the support and positioning mechanism corresponds to the position of the low-volume storage mechanism and has an assembly space inside; A spray quantitative mechanism, which is installed in the support positioning mechanism, and is connected with the low-volume storage mechanism and the spray operation mechanism through a pipeline, and the paint is transported from the low-volume storage mechanism to the spray quantitative mechanism, and the paint is transported from the spray quantitative mechanism to the spray operation mechanism; A one-way flow inlet mechanism, which is installed between the flow inlet portion of the spray quantitative mechanism and the low-volume storage mechanism, and can switch the flow inlet process of the spray quantitative mechanism; The one-way discharge mechanism is installed between the discharge part of the spray quantitative mechanism and the spray operation mechanism, and can switch the discharge process of the spray quantitative mechanism.

2. A paint supply device for a robot spraying line according to claim 1, characterized in that: High-capacity storage institutions include: A high-capacity storage tank, which is a cylindrical structure and arranged vertically to form a paint storage space inside; A high-capacity frame, which is formed by connecting rods and arranged vertically, with its bottom placed on the assembly table. The high-capacity storage tank is installed in the high-capacity frame, and the high-capacity storage tank is supported by the high-capacity frame; A feeding end pipe is installed on the top of the high-capacity storage tank and is connected to the inside of the high-capacity storage tank, and paint can be added into the high-capacity storage tank through the feeding end pipe; The discharge end pipe is installed at the bottom of the high-capacity storage tank and is connected with the interior of the high-capacity storage tank. The high-capacity storage tank can output paint to the outside through the discharge end pipe.

3. A paint supply device for a robot spraying line according to claim 2, characterized in that: Low-volume storage facilities include: A low-capacity storage tank, which is a cylindrical structure and arranged vertically to form a paint storage space inside. The length and diameter of the low-capacity storage tank are smaller than those of the high-capacity storage tank; A low-volume frame, which is formed by connecting rods and arranged vertically, with its bottom placed on an assembly table. The low-volume storage tank is installed in the low-volume frame, and the low-volume storage tank is supported by the low-volume frame; A feed end pipe is installed on the top of the low-capacity storage tank and is connected to the inside of the low-capacity storage tank. A discharge end pipe of the high-capacity storage tank is connected to the feed end pipe through a pipeline, so that paint is transported from the high-capacity storage tank to the low-capacity storage tank. The discharge end pipe is installed at the bottom of the low-capacity storage tank and is connected with the inside of the low-capacity storage tank. The low-capacity storage tank can output paint to the outside through the discharge end pipe.

4. A paint supply device for a robot spraying line according to claim 3, characterized in that: The support and positioning mechanism includes: A supporting base, which is made of a plate and arranged in the transverse direction; The positioning frame is formed by connecting rods and arranged vertically to form an assembly space inside the positioning frame.

5. A paint supply device for a robot spraying line according to claim 4, characterized in that: The spraying quantitative mechanism includes: The quantitative cylinder shell is a cylindrical structure and is arranged vertically. A paint temporary storage space is formed inside the quantitative cylinder shell. The quantitative cylinder shell is installed in the positioning frame through a connector. A delivery piston is also provided inside the quantitative cylinder shell. The paint can be driven into the quantitative cylinder shell or output from the quantitative cylinder shell through the delivery piston. A driving cylinder is installed in the positioning frame, and a power output end of the driving cylinder is connected to the delivery piston, which can drive the delivery piston to reciprocate in the quantitative cylinder shell.

6. A paint supply device for a robot spraying line according to claim 5, characterized in that: The one-way flow mechanism includes: An inlet check valve is installed at the inlet part of the metering cylinder shell and is connected to the inside of the metering cylinder shell. It is also connected to the discharge end pipe at the bottom of the low-capacity storage tank through a pipeline. When the low-capacity storage tank transports paint into the metering cylinder shell, the inlet check valve opens.

7. A paint supply device for a robot spraying line according to claim 6, characterized in that: The one-way drainage mechanism includes: A discharge check valve is installed at the discharge portion of the metering cylinder shell and is connected to the interior of the metering cylinder shell. It is also connected to the spraying operating mechanism through a pipeline. When the metering cylinder shell transports paint to the spraying operating mechanism, the discharge check valve opens.

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