Feeding device for electrostatic powder spraying

Abstract

The utility model relates to the technical field of electrostatic powder spraying, and discloses a feeding device for electrostatic powder spraying, the feeding device comprises a moving vehicle body, and a feeding cylinder, a lifting assembly and a storage tank which are sequentially mounted on the moving vehicle body, a screen cylinder is fixedly mounted in the feeding cylinder, and a feeding funnel is mounted on the outer side of the feeding cylinder; the feeding funnel is connected with the screen drum through a feeding pipe, a rotating shaft is rotationally installed in the middle of the interior of the feeding drum, a rotating assembly used for driving the rotating shaft to rotate is installed at the top end of the feeding drum, one end of the rotating shaft penetrates into the screen drum and extends out of the screen drum, and a first screen and a second screen are sequentially installed on the outer side of the rotating shaft; the lifting assembly is fixed to one side of the storage tank, and a conveying pipe is installed between the upper end of one side of the lifting assembly and the storage tank. According to the feeding device for electrostatic powder spraying, electrostatic powder is firstly screened for multiple times during feeding, large-particle impurities are filtered out to be recycled in a centralized mode, then feeding is completed, and therefore the electrostatic powder spraying effect is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of electrostatic powder spraying, in particular to a feeding device for electrostatic powder spraying. BACKGROUND

[0002] The working principle of the electrostatic powder spraying method is almost completely the same as that of the general electrostatic spraying method of liquid paint, and the difference lies in that the powder spraying is dispersed instead of atomized, the paint sprayed by the electrostatic powder spraying gun is dispersed while the powder particles are negatively charged, the charged powder particles are coated onto the grounded coated object under the action of the airflow and electrostatic force, and the powder particles are fused and solidified into a film by heating, so that the electrostatic powder spraying method is a powder coating method that occupies a dominant position in the field of industrial coating.

[0003] At present, when electrostatic powder spraying work is carried out, a feeding device is needed to put powder raw materials into a bin, and the existing feeding device cannot separate large-particle impurities in the powder coating, thereby affecting the effect of electrostatic powder spraying. CONTENT OF THE INVENTION

[0004] In order to solve the problem that when electrostatic powder spraying work is carried out, a feeding device is needed to put powder raw materials into a bin, and the existing feeding device cannot separate large-particle impurities in the powder coating, thereby affecting the effect of electrostatic powder spraying, the application provides a feeding device for electrostatic powder spraying.

[0005] The application provides a feeding device for electrostatic powder spraying, which adopts the following technical scheme:

[0006] A feeding device for electrostatic powder spraying, which comprises a moving vehicle body and a feeding cylinder, a lifting assembly and a storage tank which are sequentially installed on the moving vehicle body, a sieve cylinder is fixedly installed in the feeding cylinder, and a feeding hopper is installed on the outside, the feeding hopper and the sieve cylinder are connected through a feeding pipe, a rotating shaft is rotatably installed in the middle of the feeding cylinder, a rotating assembly for driving the rotating shaft to rotate is installed at the top end, one end of the rotating shaft penetrates into the sieve cylinder and extends to the outside of the sieve cylinder, and sieve nets one and two are sequentially installed on the outside, a feeding pipe is installed between one side of the sieve cylinder and the lifting assembly, the lifting assembly is fixed on one side of the storage tank, and a conveying pipe is installed between one side of the lifting assembly and the storage tank.

[0007] Preferably, the rotating assembly comprises a first servo motor installed on the top of the feeding cylinder, a first gear fixed on the output end of the first servo motor and a second gear in meshing transmission with one side of the first gear, and one end of the rotating shaft is connected with the second gear.

[0008] Preferably, the diameter of the screen hole on the sieve net one is greater than that of the screen hole on the sieve net two.

[0009] Preferably, the rotating shaft is internally provided with a chip removal cavity, a plurality of chip removal holes are formed outside the chip removal cavity and above the screen one and the screen two, and a chip collection box is placed below the feeding cylinder.

[0010] Preferably, the lifting assembly comprises a lifting cylinder fixed on one side of the storage tank, a conveying screw rod installed in the lifting cylinder, and a second servo motor for driving the conveying screw rod, and the second servo motor is installed at the bottom of the lifting cylinder.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The feeding device for electrostatic powder spraying filters out and concentrates the large-particle impurities through multiple screening of the electrostatic powder during feeding, thereby improving the electrostatic powder spraying effect. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a whole structure schematic view of the utility model;

[0014] Fig. 2 It is an internal structure schematic view of the feeding cylinder in the utility model;

[0015] Fig. 3 It is an internal structure schematic view of the lifting assembly in the utility model;

[0016] Fig. 4 It is a sectional view of the rotating shaft in the utility model.

[0017] Mark 1, mobile vehicle body; 2, feeding cylinder; 3, lifting assembly; 4, storage tank; 5, screen cylinder; 6, feeding pipe; 7, feeding hopper; 8, rotating shaft; 9, screen one; 10, screen two; 11, feeding pipe; 12, conveying pipe; 13, first servo motor; 14, chip removal cavity; 15, chip removal hole; 16, conveying screw rod; 17, second servo motor; 18, chip collection box. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figs. 1 to 4 The utility model provides a technical scheme:

[0020] The utility model provides an electrostatic powder spraying material loading device, including mobile car body 1 and the material feeding cylinder 2, lifting assembly 3 and storage tank 4 installed in mobile car body 1 in proper order, fixedly installed with sieve cylinder 5 in material feeding cylinder 2, and the outside is installed with material feeding hopper 7, and material feeding hopper 7 is connected with sieve cylinder 5 through material feeding pipe 6, and the middle part is rotatably installed with the shaft 8 in material feeding cylinder 2, and the top is installed with the rotation subassembly for driving the rotation of the shaft 8, and the one end of the shaft 8 penetrates to the inside of sieve cylinder 5 and extends to the outside of sieve cylinder 5, and the outside is installed with sieve net one 9 and sieve net two 10 in proper order, and the one side is installed with the feed pipe 11 between sieve cylinder 5 and lifting assembly 3, and lifting assembly 3 is fixed at the one side of storage tank 4, and the one side upper end is installed with the material conveying pipe 12 between storage tank 4.

[0021] When using, the electrostatic powder is added to sieve cylinder 5 in material feeding cylinder 2 through material feeding hopper 7, the rotation subassembly is started to drive the rotation of the shaft 8, the shaft 8 drives the rotation of sieve net one 9 and sieve net two 10 simultaneously, thereby multiple screening is carried out to the electrostatic powder, so that the large particle impurities are filtered out and stay on sieve net one 9 and sieve net two 10 respectively, and the electrostatic powder reaches the bottom of sieve cylinder 5 through sieve net one 9 and sieve net two 10 in proper order, enters the lifting assembly through the feed pipe 11, and is lifted to the upper side through the lifting assembly, finally, the material loading is completed in storage tank 4 through the material conveying pipe 12, thereby the effect of electrostatic powder spraying is improved.

[0022] The rotation subassembly includes the first servo motor 13 installed at the top of material feeding cylinder, the first gear fixed at the output end of the first servo motor 13 and the second gear meshing transmission with the one side of the first gear, the one end of the shaft 8 is connected with the second gear, the first servo motor 13 drives the rotation of the first gear, thereby the rotation of the second gear and the shaft 8 is driven, thereby the purpose of rapid screening is achieved.

[0023] The screen hole diameter on sieve net one 9 is greater than the screen hole diameter on sieve net two 10, the purpose of multistage screening is achieved, and the effect of impurity removal is enhanced.

[0024] The shaft 8 is internally provided with the chip removal cavity 14, a plurality of chip removal holes 15 are formed outside the chip removal cavity 14 and above sieve net one 9 and sieve net two 10, and the chip collection box 18 is placed below material feeding cylinder 2, when screening, the large particle impurities are filtered and stay on sieve net one 9 and sieve net two 10, and enter the chip removal cavity 14 through the plurality of chip removal holes 15 and are discharged into the chip collection box 18 for centralized recycling.

[0025] The lifting assembly includes the lifting cylinder fixed at the one side of storage tank 4, the conveying screw 16 installed in the lifting cylinder and the second servo motor 17 driving the conveying screw 16, the second servo motor 17 is installed at the bottom of the lifting cylinder 2, the conveying screw 16 is driven to rotate through the second servo motor 17, thereby the filtered electrostatic powder is lifted to the upper side for material loading.

[0026] Finally, it should be noted that: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connected", "connected" should be broadly understood, which can be mechanical connection or electrical connection, or the internal communication of two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0027] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0028] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

[0029] The above are the preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An electrostatic powder spraying material feeding device, characterized by: The utility model relates to a kind of mobile car body (1) and the material feeding barrel (2), lifting assembly (3) and storage tank (4) successively installed on mobile car body (1), fixedly installed with sieve cylinder (5) in the material feeding barrel (2), material feeding hopper (7) is installed on the outside, the material feeding hopper (7) is connected with sieve cylinder (5) by material feeding pipe (6), rotatingly installed with rotating shaft (8) in the middle part of the material feeding barrel (2), top end is installed for the rotating shaft (8) rotation rotating assembly, the rotating shaft (8) one end penetrates to sieve cylinder (5) and extends to sieve cylinder (5) outside, and outside is successively installed with screen one (9) and screen two (10), material feeding pipe (11) is installed between the sieve cylinder (5) one side and lifting assembly (3), the lifting assembly (3) is fixed in storage tank (4) one side, and one side upper end and storage tank (4) between installation material feeding pipe (12).

2. The feeding device for electrostatic powder spraying according to claim 1, characterized in that: The rotating assembly includes a first servo motor (13) mounted on the top of the material feeding barrel, a first gear fixed to the output end of the first servo motor (13), and a second gear meshed with the first gear on one side, one end of the rotating shaft (8) is connected with the second gear.

3. The powder feeding device for electrostatic powder spraying according to claim 2, characterized in that: The diameter of the screen hole on the screen one (9) is greater than the diameter of the screen hole on the screen two (10).

4. The powder feeding device for electrostatic powder spraying according to claim 3, characterized in that: The rotating shaft (8) is internally provided with a chip removal cavity (14), a plurality of chip removal holes (15) are provided outside the chip removal cavity (14) and above the screen one (9) and the screen two (10), respectively, and a chip collection box (18) is placed below the material feeding barrel (2).

5. The powder feeding device for electrostatic powder spraying according to claim 4, characterized in that: The lifting assembly includes a lifting cylinder fixed to one side of the storage tank (4), a conveying screw (16) installed in the lifting cylinder, and a second servo motor (17) driving the conveying screw (16), and the second servo motor (17) is installed at the bottom of the lifting cylinder.

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