Powder supply mechanism for electrostatic spraying

Abstract

The utility model relates to the field of electrostatic spraying, in particular to a powder supply mechanism for electrostatic spraying, which comprises a support frame, a powder storage tank mounted at the upper end of the support frame, an output mechanism mounted at the output end of the powder storage tank, and a processing mechanism. When powdery materials are loaded into the powder storage tank, the motor is started, the beating frame is driven by the motor to rotate, so that the beating plate of the beating frame can beat the input powder to be scattered, a large amount of powdery materials which are caked due to moisture can be beat to be scattered, then the powder can be screened through the screen frame, and in the process, the powder can be separated from the powder storage tank through the screen frame. Two downward extending plates at the lower end of a rotating plate can be driven by a motor to rotate, so that a crushing plate fixed between the two downward extending plates rotates, small powder blocks at the upper end of a screen frame can be crushed by the crushing plate, and the influence caused by powder caking can be avoided to the greatest extent during operation of the device.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrostatic spraying field especially is related to a powder supply mechanism of electrostatic spraying. BACKGROUND

[0002] Electrostatic spraying refers to the coating method that makes atomized coating negative electricity under the action of high-voltage direct current electric field by using corona discharge principle and is adsorbed on the surface of positive electrode substrate.

[0003] Through the retrieval patent file No. CN215313883U, the patent file discloses "a powder electrostatic spraying system powder recycling and feeding device, the device is provided with a hopper, a drying mechanism is arranged above the hopper, a first filter screen and a second filter screen are arranged below the hopper, so that the material is added along the feeding pipe, then dried by the drying mechanism, and after drying, falls into the hopper, flows to the first filter screen and the second filter screen for filtering, so that the drying and screening of the powder material are integrated, and the labor cost is reduced.

[0004] And the powder material is stored in a humid place or a place with high humidity in the air for a period of time, which can easily make the powder itself humid. After the above-mentioned device dries the powder, a large amount of powder particles can easily be agglomerated. Although the above-mentioned device can disperse the agglomerated powder by vibration, the dispersion needs a certain time, which can easily cause the continuously input powder to be blocked and accumulated, thereby affecting the efficiency of feeding. In addition, some small powder blocks are not easily dispersed because of their small size. UTILITY MODEL CONTENT

[0005] The utility model discloses a powder supply mechanism of electrostatic spraying.

[0006] The utility model discloses a powder supply mechanism of electrostatic spraying.

[0007] A powder supply mechanism of electrostatic spraying, including support frame, the upper end of support frame is installed with the powder storage jar, the output end of powder storage jar is installed with the output mechanism, still including processing mechanism;

[0008] Processing mechanism includes motor, the output end of motor is fixed with the dispersing frame, the periphery of motor output shaft is fixed with the rotary plate, and the both ends of rotary plate are fixed with the lower extension plate, and the two lower extension plates are fixed with the crushing plate, the inside of powder storage jar is slidably connected with the screen frame, the upper end of four quadrant points of screen frame is fixed with the upper extension rod, and the upper end of upper extension rod is slidably connected with the upper end of powder storage jar, and the periphery of each upper extension rod is provided with the spring, and the upper end of spring is fixed with the corresponding upper extension rod, and the lower end of spring is fixed with the upper end of powder storage jar, and the upper end of screen frame is fixed with four trapezoidal blocks.

[0009] Preferably, the outer circle of the beating frame is provided with a plurality of beating plates, and the size of the beating plate close to the outer circle is larger than that close to the inner circle, and the lower end of the crushing plate is attached to the upper end of the middle screen of the screen frame.

[0010] Preferably, one end of the downward extending plate is provided with an inclined notch, and the inclination angle of the notch of the downward extending plate is the same as that of one end of the trapezoidal block.

[0011] Preferably, the upper end of the powder storage tank is fixed with a powder inlet pipe, the lower end of the powder storage tank is provided with a powder outlet.

[0012] Preferably, the output mechanism includes a powder pump, the input end of the powder pump is fixed with an input pipe, and the input end of the input pipe is fixed with the powder outlet, and the output end of the powder pump is fixed with an output pipe.

[0013] Preferably, the input pipe is made of metal hard pipe material, and the output pipe is made of rubber hose material.

[0014] Compared with the prior art, the beneficial effects are as follows:

[0015] When the powder material is loaded into the powder storage tank, the motor is started to drive the beating frame to rotate, so that the beating plate of the beating frame can beat the input powder, which can beat a large amount of powder material blocked due to moisture, and then the powder can be screened by the screen frame. In this process, the two downward extending plates at the lower end of the rotating plate can be rotated by the driving of the motor, so that the crushing plate fixed between the two downward extending plates can be rotated, which can crush the small powder blocks on the upper end of the screen frame. At the same time, through the setting of the trapezoidal block and the sliding connection of the upward extending rod and the powder storage tank, after the two downward extending plates are rotated by the rotating plate, the downward extending plates can be pressed against the two trapezoidal blocks, so that the trapezoidal blocks can drive the screen frame to descend. After the two downward extending plates are separated from the trapezoidal blocks, the screen frame can be rebounded upward by the rebounding of the spring, so that some powder blocks that are not beaten can be bounced up, so that the beating frame can beat these powder blocks that are not beaten. In this way, the device can maximize the influence of the powder blocking during operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0017] Figure 1 is a structure diagram of the powder supply mechanism of the electrostatic spraying.

[0018] Figure 2 is a structural schematic view of the powder storage tank in the powder supply mechanism for electrostatic spraying according to the utility model;

[0019] Figure 3 is a main sectional view of the powder storage tank in the powder supply mechanism for electrostatic spraying according to the utility model;

[0020] Figure 4 is a structural schematic view of the working mechanism in the powder supply mechanism for electrostatic spraying according to the utility model;

[0021] Figure 5 is a structural schematic view of the working mechanism without the dispersing frame in the powder supply mechanism for electrostatic spraying according to the utility model;

[0022] Figure 6 is a structural schematic view of the motor in the powder supply mechanism for electrostatic spraying according to the utility model;

[0023] Figure 7 is a structural schematic view of the lower extension plate and trapezoidal block in the powder supply mechanism for electrostatic spraying according to the utility model;

[0024] Figure 8 is a structural schematic view of the output mechanism in the powder supply mechanism for electrostatic spraying according to the utility model.

[0025] The reference signs are explained as follows:

[0026] 1, support frame; 2, powder storage tank; 21, powder inlet pipe; 22, powder outlet; 3, motor; 31, dispersing frame; 32, rotating plate; 33, lower extension plate; 34, crushing plate; 35, sieve frame; 36, upper extension rod; 37, spring; 38, trapezoidal block; 4, powder pump; 41, input pipe; 42, output pipe. DETAILED DESCRIPTION

[0027] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0028] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

[0029] The utility model will be further described below in combination with the drawings:

[0030] As Figures 1-8 The powder supply mechanism for electrostatic spraying includes a support frame 1, a powder storage tank 2 is installed at the upper end of the support frame 1, an output mechanism is installed at the output end of the powder storage tank 2, and a processing mechanism is further included.

[0031] The upper end of the powder storage tank 2 is fixed with a powder inlet pipe 21, the lower end of the powder storage tank 2 is arranged in a wide upper and narrow lower manner, and a powder outlet 22 is formed at the lower end of the powder storage tank 2;The powder material can be loaded into the powder storage tank 2 through the powder inlet pipe 21, and the powder material can be output through the arrangement of the powder outlet 22.

[0032] The processing mechanism comprises a motor 3, the output end of the motor 3 is fixed with a beating frame 31, a plurality of beating plates are arranged on the outer ring of the beating frame 31, the size of the beating plate close to the outer ring is larger than the size of the beating plate close to the inner ring, the outer periphery of the output shaft of the motor 3 is fixed with a rotating plate 32, the two ends of the rotating plate 32 are both fixed with a downward plate 33, the two downward plates 33 are fixed with a grinding plate 34, a sieve frame 35 is slidably connected in the inside of the powder storage tank 2, the lower end of the grinding plate 34 is attached to the upper end of the middle screen of the sieve frame 35, the upper end of the four quadrant points of the sieve frame 35 is fixed with an upward rod 36, the upward rod 36 is slidably connected with the upper end of the powder storage tank 2, a spring 37 is arranged on the outer periphery of each upward rod 36, the upper end of the spring 37 is fixed with the corresponding upward rod 36, the lower end of the spring 37 is fixed with the upper end of the powder storage tank 2, the upper end of the sieve frame 35 is fixed with four trapezoidal blocks 38, one end of the downward plate 33 is provided with an inclined notch, and the inclination angle of the notch of the downward plate 33 is the same as the inclination angle of one end of the trapezoidal block 38; when the powdery material is loaded into the powder storage tank 2, the motor 3 is started, the beating frame 31 is driven to rotate by the motor 3, so that the beating plate of the beating frame 31 can beat the input powder, so that a large amount of powdery material blocked due to moisture can be beaten, and then the powder can be screened by the sieve frame 35, in this process, the two downward plates 33 at the lower end of the rotating plate 32 can be rotated by the driving of the motor 3, so that the grinding plate 34 fixed between the two downward plates 33 can be rotated, so that the grinding plate 34 can crush the small powder block on the upper end of the sieve frame 35, and at the same time, by the setting of the trapezoidal block 38 and the sliding connection of the upward rod 36 with the powder storage tank 2, after the two downward plates 33 are driven to rotate by the rotating plate 32, the downward plate 33 can be pressed against the two trapezoidal blocks 38, so that the trapezoidal block 38 drives the sieve frame 35 to descend, after the two downward plates 33 are separated from the trapezoidal block 38, the sieve frame 35 can be rebounded upward by the resilience of the spring 37, so that some powdery blocks that are not beaten can be bounced up, so that the beating frame 31 can beat these un-beaten powder blocks, so that the device can maximize the influence caused by the powder blocking during operation.

[0033] The output mechanism comprises a powder pump 4, the input end of the powder pump 4 is fixed with an input pipe 41, the input end of the input pipe 41 is fixed with the powder outlet 22, the output end of the powder pump 4 is fixed with an output pipe 42, the input pipe 41 is made of metal hard pipe material, and the output pipe 42 is made of rubber hose material; the powder in the powder storage tank 2 can be pumped out by the starting of the powder pump 4.

[0034] Working principle: before the device operation, first of all, the powder is loaded into the powder tank 2 through the powder inlet pipe 21, at the same time, start the motor 3, through the motor 3 drives the beating frame 31 rotation, so that the beating plate of the beating frame 31 will beat the input powder, so as to beat a large number of powder material because of the wet and lump, then the powder will be screened by the sieve frame 35, in this process, through the drive of the motor 3 can make the two lower extension plates 33 at the lower end of the rotating plate 32 rotate, so that the fixed crushing plate 34 between the two lower extension plates 33 rotates, so as to make the crushing plate 34 crush the smaller powder block on the upper end of the sieve frame 35, in the process of the lower extension plate 33 rotating with the rotating plate 32, through the setting of the trapezoidal block 38 and the sliding connection of the upper extension rod 36 and the powder tank 2, after the rotating plate 32 drives the two lower extension plates 33 to rotate, the lower extension plate 33 can push against the two trapezoidal blocks 38, so that the trapezoidal block 38 drives the sieve frame 35 to descend, after the two lower extension plates 33 are separated from the trapezoidal block 38, through the resilience of the spring 37, the sieve frame 35 can be driven to rebound upwards, so as to make some powder blocks that are not beaten bounce up, so that the beating frame 31 can beat these powder blocks that are not beaten, through this, the device can maximize avoid the influence caused by the powder lumping when working.

[0035] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A powder supply mechanism for electrostatic spraying, comprising a support frame (1), wherein a powder storage tank (2) is mounted on the upper end of the support frame (1), and an output mechanism is mounted on the output end of the powder storage tank (2), characterized in that: It also includes processing mechanisms; The processing mechanism includes a motor (3), a crushing frame (31) is fixed at the output end of the motor (3), a rotating plate (32) is fixed around the output shaft of the motor (3), a lower extension plate (33) is fixed at both ends of the rotating plate (32), a crushing plate (34) is fixed between the two lower extension plates (33), a sieve frame (35) is slidably connected inside the powder storage tank (2), an upper extension rod (36) is fixed at the upper end of each of the four quadrant points of the sieve frame (35), and the upper extension rod (36) is slidably connected to the upper end of the powder storage tank (2). A spring (37) is provided around each upper extension rod (36), the upper end of the spring (37) is fixed to the corresponding upper extension rod (36), the lower end of the spring (37) is fixed to the upper end of the powder storage tank (2), and four trapezoidal blocks (38) are fixed at the upper end of the sieve frame (35).

2. The powder supply mechanism for electrostatic spraying according to claim 1, characterized in that: The outer ring of the scattering frame (31) is provided with multiple scattering plates, and the size of the scattering plate near the outer ring is larger than that near the inner ring. The lower end of the crushing plate (34) is attached to the upper end of the middle screen of the screen frame (35).

3. The powder supply mechanism for electrostatic spraying according to claim 1, characterized in that: One end of the lower extension plate (33) is provided with an inclined notch, and the inclination angle of the notch of the lower extension plate (33) is the same as the inclination angle of one end of the trapezoidal block (38).

4. The powder supply mechanism for electrostatic spraying according to claim 1, characterized in that: The powder storage tank (2) is fixed with a powder inlet pipe (21) at the upper end, and the powder storage tank (2) is wider at the top and narrower at the bottom. The powder storage tank (2) is provided with a powder outlet (22) at the lower end.

5. The powder supply mechanism for electrostatic spraying according to claim 4, characterized in that: The output mechanism includes a powder pump (4), the input end of which is fixed with an input pipe (41), and the input end of the input pipe (41) is fixed with the powder outlet (22). The output end of the powder pump (4) is fixed with an output pipe (42).

6. The powder supply mechanism for electrostatic spraying according to claim 5, characterized in that: The input tube (41) is made of metal rigid tube, and the output tube (42) is made of rubber flexible tube.

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