Powder supply center

Abstract

The utility model discloses a powder supply center which is characterized by comprising a shell, a bottom frame, a powder cylinder, a powder cylinder support, a powder cylinder lifting guide mechanism, a powder cylinder lifting driving mechanism, a powder cylinder overturning driving mechanism, a powder pump and a powder pump powder suction pipe, the powder cylinder lifting guide mechanism is fixed on the bottom frame, and the powder cylinder support is movably arranged on the powder cylinder lifting guide mechanism. The powder cylinder lifting driving mechanism is connected with and drives the powder cylinder support to ascend and descend along the powder cylinder lifting guiding mechanism, the two sides of the powder cylinder are hinged to the powder cylinder support, and the powder cylinder overturning driving mechanism is arranged on the powder cylinder support and connected with and drives the powder cylinder to swing around a hinged shaft. The powder barrel is provided with a powder pump powder suction opening, and the powder pump is connected with the powder pump powder suction opening through a powder pump powder suction pipe. The device is simple in structure, good in stability, simple and convenient to use, environment-friendly and energy-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of powder supply centers. Background Art

[0002] Electrostatic powder spraying is a metal surface anti-corrosion decoration industry. Compared with the traditional paint finishing industry, electrostatic powder spraying has the advantages of easy automated production, good surface spraying quality, economic and environmental protection, etc. Therefore, it is widely used in industrial production. The powder supply center is one of the commonly used equipment in electrostatic powder spraying. In some existing powder supply centers, the powder pump suction pipe is directly inserted into the powder barrel. Due to the large number of powder pump pipes and structures, it is difficult to clean the powder during powder change, or it is difficult to clean it up; the powder change also requires manual use of a spoon to beat out the remaining powder little by little, which affects work efficiency. To this end, existing technical personnel have made improvements to it. For example, the Chinese patent authorization announcement number CN218308611U discloses a powder supply center, including an external powder supply box, the front side of the powder supply box is open, the bottom of the powder supply box is detachably provided with a powder barrel, the rear side of the inside of the powder supply box is fixedly provided with a pneumatic lifting assembly, the front side of the powder supply box is rotatably provided with a vibrating screen assembly, the vibrating screen assembly is connected to the powder barrel assembly, the bottom of the pneumatic lifting assembly is fixedly provided with a powder suction pipe, the bottom of the powder suction pipe is movably provided in the powder barrel, the bottom of the powder supply box is fixedly provided with a cleaning assembly, and the powder suction pipe is located above the cleaning assembly. This patent structure has the advantage that the powder suction pipe can be cleaned without pulling it out, but the disadvantage is that it cannot work with low powder quantity, wastes powder, and the fluidization process has serious powder floating. To this end, it is necessary to further improve the existing technology. Summary of the invention

[0003] The utility model aims to solve the deficiencies of the prior art and to provide a powder supply center which is stable and reliable, can improve the utilization rate of powder materials and is easy to clean.

[0004] The utility model adopts the following technical solutions to achieve the above-mentioned purpose: a powder supply center, characterized in that it includes a shell, a base frame, a powder barrel, a powder barrel bracket, a powder barrel lifting guide mechanism, a powder barrel lifting drive mechanism, a powder barrel tilting drive mechanism, a powder pump, and a powder pump powder suction pipe. The powder barrel lifting guide mechanism is fixed on the base frame, the powder barrel bracket is movably arranged on the powder barrel lifting guide mechanism, the powder barrel lifting drive mechanism is connected to drive the powder barrel bracket to rise and fall along the powder barrel lifting guide mechanism, the two sides of the powder barrel are respectively hinged on the powder barrel bracket, the powder barrel tilting drive mechanism is arranged on the powder barrel bracket, and is connected to drive the powder barrel to swing around the hinge axis; the powder barrel is provided with a powder pump powder suction port, and the powder pump is connected to the powder pump powder suction port through the powder pump powder suction pipe.

[0005] As a further illustration of the above solution, the powder cartridge is provided with a powder cartridge cover, which is made of a material that is only permeable to air but not to powder, and can significantly reduce the phenomenon of powder bleaching.

[0006] Furthermore, the powder pump powder suction port is equipped with a backflush cleaning device, which is provided with a backflush cylinder, a powder tube sealing plate and a pulse valve. An air flow channel is provided in the backflush cleaning device, and the powder tube sealing plate is arranged in the air flow channel and fixedly connected to the backflush cylinder. When the system enters the cleaning mode, the powder pump and the powder tube can be automatically isolated, and the powder tube can be automatically backflush cleaned by the backflush cylinder.

[0007] Furthermore, the powder cartridge tilting drive mechanism includes a powder cartridge tilting drive cylinder and an L-shaped rocker arm. A fulcrum is provided in the middle of the L-shaped rocker arm, which is connected to the powder cartridge bracket. One end of the L-shaped rocker arm is connected to the powder cartridge tilting drive cylinder, and the other end is pressed into engagement with the active top of the powder cartridge.

[0008] Furthermore, round holes are respectively arranged on the left and right sides of the powder cartridge, and the powder cartridge bracket is provided with a threaded hole concentrically connected with the round hole, and a hinge shaft is arranged on the threaded hole to be plugged and matched with the round hole.

[0009] Furthermore, the powder cartridge lifting drive mechanism includes a powder cartridge lifting cylinder arranged on the base frame, and the powder cartridge lifting cylinder is fixedly connected to the powder cartridge bracket; the powder cartridge lifting guide mechanism includes a lifting column arranged on the base frame and a lifting slider arranged on the powder cartridge bracket, and the lifting slider is slidably matched with the lifting column, and the powder cartridge bracket is driven to move along the lifting column by the powder cartridge lifting cylinder.

[0010] Furthermore, a powder discharge port is provided at the bottom of the powder cartridge, and a powder discharge valve is installed on the powder discharge port. When entering the cleaning mode, the residual powder box is placed directly below the powder discharge valve, and the residual powder in the powder cartridge can be discharged by opening the powder discharge valve.

[0011] The beneficial effects that can be achieved by the utility model by adopting the above technical solution are:

[0012] The utility model adopts a powder supply structure which is mainly composed of a shell, a base frame, a powder barrel, a powder barrel bracket, a powder barrel lifting guide mechanism, a powder barrel lifting drive mechanism, a powder barrel tilting drive mechanism, a powder pump, and a powder pump powder suction pipe. The powder barrel lifting guide mechanism is fixed on the base frame, the powder barrel bracket is movably arranged on the powder barrel lifting guide mechanism, the powder barrel lifting drive mechanism is connected to drive the powder barrel bracket to lift and lower along the powder barrel lifting guide mechanism, the two sides of the powder barrel are respectively hinged to the powder barrel bracket, the powder barrel tilting drive mechanism is arranged on the powder barrel bracket, and is connected to drive the powder barrel to swing around the hinge shaft; the powder barrel is provided with a powder pump powder suction port, and the powder pump is connected to the powder pump powder suction port through the powder pump powder suction pipe. When the spraying operation is nearing the end and no new powder is wanted to be added, low powder quantity operation can be selected at this time, and the powder barrel can be tilted at a certain angle to make full use of the last bit of powder, thereby achieving the purpose of reducing costs.

[0013] The utility model is provided with a back-blowing cleaning device. When the system enters the cleaning mode, the powder pump and the powder barrel can be automatically isolated and the powder tube can be automatically cleaned, and the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a structural schematic diagram of the utility model.

[0016] Figure 3 It is a side structural schematic diagram of the utility model.

[0017] Figure 4 This is a schematic diagram of the installation structure of the backflush cleaning device of the utility model.

[0018] Figure 5 for Figure 4 sectional view of .

[0019] Figure 6 It is a schematic diagram of the powder cartridge structure.

[0020] Explanation of the reference numerals: 1, outer shell 2, base frame 3, powder cartridge 3-1, powder pump powder suction port 4, powder cartridge bracket 4-1, threaded hole 5, powder cartridge lifting guide mechanism 5-1, lifting column 5-2, lifting slider 6, powder cartridge lifting drive mechanism 7, powder cartridge tilting drive mechanism 7-1, powder cartridge tilting drive cylinder 7-2, L-shaped rocker arm 8, powder pump 9, powder pump powder suction pipe 10, powder cartridge cover 11, powder discharge valve 12, back-blowing cleaning device 12-1, back-blowing cylinder 12-2, powder cartridge sealing plate 12-3, pulse valve 12-4, air flow channel. DETAILED DESCRIPTION

[0021] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific protection scope of the present invention.

[0022] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, "at least" means one or more, unless otherwise clearly and specifically defined.

[0023] In the present invention, unless otherwise specified and limited, the terms "assembly", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two elements can be internally connected. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] In the utility model, unless otherwise specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "below" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than the height of the second feature. A first feature being "above", "below" and "below" a second feature includes that the first feature is directly below or obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than the second feature.

[0025] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, and cannot be understood as limiting the utility model.

[0026] like Figure 1-Figure 6As shown, the utility model is a powder supply center, which includes a shell 1, a base frame 2, a powder barrel 3, a powder barrel bracket 4, a powder barrel lifting guide mechanism 5, a powder barrel lifting drive mechanism 6, a powder barrel overturning drive mechanism 7, a powder pump 8, and a powder pump powder suction pipe 9. The shell 1 is combined and connected with the base frame 2, and the powder barrel 3, the powder barrel bracket 4, the powder barrel lifting guide mechanism 5, the powder barrel lifting drive mechanism 6, the powder barrel overturning drive mechanism 7, the powder pump 8, and the powder pump powder suction pipe 9 are respectively arranged in the shell 1, and the shell plays a protective role. The powder barrel lifting guide mechanism 5 is fixed on the base frame 2, and the powder barrel bracket 4 is movably arranged on the powder barrel lifting guide mechanism 5. The powder barrel lifting guide mechanism 5 includes a lifting column 5-1 vertically arranged on the base frame 2 and a lifting slider 5-2 arranged on the powder barrel bracket. The lifting slider 5-2 is fixedly connected to the powder barrel bracket 4 and can be lifted and moved along the lifting column. The powder barrel lifting drive mechanism 6 is connected to drive the powder barrel bracket 4 to lift and lower along the powder barrel lifting guide mechanism 5. The powder barrel lifting drive mechanism 6 includes a powder barrel lifting cylinder arranged on the base frame 2, and the powder barrel lifting cylinder is fixedly connected to the powder barrel bracket. The two sides of the powder barrel 3 are respectively hinged on the powder barrel bracket. The powder barrel overturning drive mechanism 7 is arranged on the powder barrel bracket 4, and is connected to drive the powder barrel 3 to swing around the hinge axis. In this embodiment, the powder barrel 3 is provided with a powder barrel cover 10, which is a material that is only permeable to air but not permeable to powder, which can greatly reduce the phenomenon of powder bleaching. The left and right sides of the powder barrel 3 are respectively provided with round holes, and the powder barrel bracket 4 is provided with a threaded hole 4-1 concentrically connected to the round hole, and the threaded hole has a hinge shaft that is plugged and matched with the round hole. A powder discharge port is provided at the bottom of the powder barrel, and a powder discharge valve 11 is installed on the powder discharge port. When entering the cleaning mode, the powder barrel lifting cylinder pushes the powder barrel bracket to rise, which can achieve the purpose of lifting the powder barrel. When the residual powder box is placed directly below the powder discharge valve, the residual powder in the powder barrel can be discharged by opening the powder discharge valve. The powder cartridge tilting drive mechanism 7 comprises a powder cartridge tilting drive cylinder 7-1 and an L-shaped rocker arm 7-2. A fulcrum is arranged in the middle of the L-shaped rocker arm, which is connected to the powder cartridge bracket. One end of the L-shaped rocker arm is connected to the powder cartridge tilting drive cylinder, and the other end is engaged with the active top pressure of the powder cartridge. The piston rod of the powder cartridge tilting drive cylinder drives the L-shaped rocker arm to swing. By utilizing the principle of lever, the pushing force is applied to the side of the powder cartridge, so that the powder cartridge can be tilted at a certain angle to make full use of the last bit of powder, thereby achieving the purpose of reducing costs.

[0027] The powder cartridge is provided with a powder pump powder suction port 3-1, and the powder pump 8 is connected to the powder pump powder suction port 3-1 through a powder pump powder suction pipe 9. The powder pump powder suction port 3-1 is equipped with a back-blowing cleaning device 12, which is provided with a back-blowing cylinder 12-1, a powder cartridge sealing plate 12-2 and a pulse valve 12-3. An airflow channel 12-4 is provided in the back-blowing cleaning device, and the powder cartridge sealing plate is provided in the airflow channel and fixedly connected to the back-blowing cylinder. When the system enters the cleaning mode, the powder pump and the powder cartridge can be automatically isolated, and the powder pipe can be automatically back-blown and cleaned by the back-blowing cylinder.

[0028] Compared with the prior art, the utility model has the advantages of 1. fast powder replacement. When the spraying operation is nearing the end and you do not want to waste time by adding new powder, you can choose to run with low powder volume, which is close to zero powder drift and convenient to clean. The powder cartridge can automatically upgrade and discharge excess powder when entering the cleaning mode, and back-blow to clean the powder tube. The powder cartridge cover is made of a material that is only permeable to air but not powder, so as to achieve the purpose of almost zero powder drift.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements all fall within the protection scope of the present invention.

Claims

1. A powder supply center, characterized in that: It comprises an outer shell, a base frame, a powder barrel, a powder barrel bracket, a powder barrel lifting guide mechanism, a powder barrel lifting drive mechanism, a powder barrel tilting drive mechanism, a powder pump, and a powder pump powder suction pipe. The powder barrel lifting guide mechanism is fixed on the base frame, the powder barrel bracket is movably arranged on the powder barrel lifting guide mechanism, the powder barrel lifting drive mechanism is connected to drive the powder barrel bracket to lift and lower along the powder barrel lifting guide mechanism, the two sides of the powder barrel are respectively hinged to the powder barrel bracket, the powder barrel tilting drive mechanism is arranged on the powder barrel bracket, and is connected to drive the powder barrel to swing around a hinge shaft; the powder barrel is provided with a powder pump powder suction port, and the powder pump is connected to the powder pump powder suction port through a powder pump powder suction pipe.

2. A powder supply center according to claim 1, characterized in that: The powder cartridge is provided with a powder cartridge cover.

3. A powder supply center according to claim 1, characterized in that: The powder pump powder suction port is equipped with a backflush cleaning device, which is provided with a backflush cylinder, a powder cartridge sealing plate and a pulse valve. An air flow channel is provided in the backflush cleaning device, and the powder cartridge sealing plate is provided in the air flow channel and fixedly connected to the backflush cylinder.

4. A powder supply center according to claim 1, characterized in that: The powder cartridge overturning drive mechanism includes a powder cartridge overturning drive cylinder and an L-shaped rocker arm. A fulcrum is arranged in the middle of the L-shaped rocker arm, and the fulcrum is connected to the powder cartridge bracket. One end of the L-shaped rocker arm is connected to the powder cartridge overturning drive cylinder, and the other end is pressed into engagement with the active top of the powder cartridge.

5. A powder supply center according to claim 1, characterized in that: The left and right sides of the powder cartridge are respectively provided with round holes, and the powder cartridge bracket is provided with a threaded hole connected concentrically with the round hole, and a hinge shaft is provided on the threaded hole to be plugged and matched with the round hole.

6. A powder supply center according to claim 1, characterized in that: The powder cartridge lifting drive mechanism includes a powder cartridge lifting cylinder arranged on the base frame, and the powder cartridge lifting cylinder is fixedly connected to the powder cartridge bracket; the powder cartridge lifting guide mechanism includes a lifting column arranged on the base frame and a lifting slider arranged on the powder cartridge bracket, and the lifting slider is slidably matched with the lifting column, and the powder cartridge bracket is driven to move along the lifting column by the powder cartridge lifting cylinder.

7. A powder supply center according to claim 1, characterized in that: A powder discharge port is arranged at the bottom of the powder cylinder, and a powder discharge valve is installed on the powder discharge port.

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