Powder spraying machine capable of conveniently adjusting powder spraying amount

Abstract

The utility model belongs to the technical field of powder spraying machines, and particularly relates to a powder spraying machine convenient for adjusting powder spraying amount, which comprises a shell, a powder storage chamber and a fan positioned below the powder storage chamber are arranged in the shell, a powder discharge port is arranged at the bottom of the powder storage chamber, a powder inlet positioned below the powder discharge port is arranged on the fan, and a powder outlet positioned below the powder discharge port is arranged on the fan. A sliding plate for adjusting the amount of powder entering the powder inlet from the powder discharging opening is arranged in the shell in a sliding mode, and the sliding plate slides in the length direction of the sliding plate. The powder spraying device can accurately control the powder spraying amount and is convenient to operate.

Description

Technical field:

[0001] The utility model belongs to the technical field of powder spraying machines, in particular to a powder spraying machine which is convenient for adjusting the amount of powder sprayed. Background technology:

[0002] Powder spraying machines are widely used in fish pond disinfection and sterilization, farm disinfection and disease prevention, vegetable garden plantation pest control, road anti-skid and other scenarios.

[0003] A Chinese utility model patent (publication number CN219460177U, application date 2023.02.17, publication date 2023.08.04) discloses a backpack-type motorized mist sprayer for gardening, comprising a main body, a storage box installed on the main body, and a nozzle. The storage box is provided with an upward-opening feed port, and the feed port is covered with a cover. The cover is detachably installed on the storage box. A stirring mechanism is provided in the storage box, and the stirring mechanism includes a stirring rod and a drive motor. The stirring rod is rotatably connected to the cover and a stirring blade is installed at one end located in the storage box. The drive motor is installed on the cover and is used to control the rotation of the stirring rod.

[0004] The disadvantages of the above-mentioned powder spraying machine are that: there is no mechanism for adjusting the amount of powder under the storage box, and the powder spraying amount of the nozzle can only be adjusted by adjusting the air volume of the fan in the main body, which cannot accurately control the powder spraying amount and is inconvenient to operate. Summary of the invention:

[0005] The utility model aims to provide a powder spraying machine which is convenient for adjusting the powder spraying amount, can accurately control the powder spraying amount, and is easy to operate.

[0006] The utility model is achieved in this way:

[0007] A powder sprayer that is easy to adjust the powder spraying amount includes a shell, a powder storage chamber and a fan located below the powder storage chamber are provided in the shell, a powder discharge port is provided at the bottom of the powder storage chamber, a powder inlet is provided on the fan and is located below the powder discharge port, a slide plate for adjusting the amount of powder entering the powder inlet from the powder discharge port is slidably provided in the shell, and the slide plate slides along the length direction of the slide plate.

[0008] In the above-mentioned powder spraying machine that is easy to adjust the amount of powder sprayed, the fan includes a casing, an impeller arranged in the casing, and a motor that drives the impeller to rotate, the powder inlet is arranged on the casing, the length direction of the slide is arranged in the horizontal direction, the slide is slidably arranged on the casing, and the casing is provided with a mounting groove at the powder inlet to guide the sliding of the slide.

[0009] In the above-mentioned powder spraying machine which is convenient for adjusting the amount of powder sprayed, a limit plate for upper-limiting the slide plate is provided on the housing, and the length direction of the slide plate is arranged along the horizontal direction.

[0010] In the above-mentioned powder spraying machine that is convenient for adjusting the amount of powder sprayed, the limiting plate and the casing are an integrated structure.

[0011] In the above-mentioned powder spraying machine which is convenient for adjusting the amount of powder sprayed, the slide plate includes a baffle and a pull plate, the outer end of the baffle is connected to the inner end of the pull plate, and the outer end of the pull plate extends out of the housing and is provided with a pull block.

[0012] In the above-mentioned powder spraying machine that is convenient for adjusting the amount of powder sprayed, the baffle and the pull plate are fixed by screws, and the rod of the screw passes through the pull plate and is screwed to the baffle.

[0013] In the above-mentioned powder spraying machine which is convenient for adjusting the amount of powder sprayed, a limiting column is provided on the casing, and a waist-shaped hole is provided on the slide. The length direction of the waist-shaped hole is arranged along the sliding direction of the slide. When the slide slides, the two ends of the waist-shaped hole respectively contact with the limiting column to limit the position.

[0014] In the above-mentioned powder spraying machine that is convenient for adjusting the amount of powder sprayed, a powder guide tube with a lower end extending to the machine casing is provided at the bottom of the powder storage chamber, and the bottom of the powder guide tube forms the powder outlet.

[0015] In the above-mentioned powder spraying machine that is easy to adjust the powder spraying amount, the shell includes an upper shell and a lower shell, a funnel is provided in the lower shell, the upper shell and the funnel form the powder storage chamber, and the powder guide tube is provided at the bottom of the funnel.

[0016] In the above-mentioned powder spraying machine which is convenient for adjusting the powder spraying amount, the side wall of the funnel and its bottom plate are transitioned through an arc plate, and the powder guide tube is mostly located on the arc plate and a small part is located on the bottom plate.

[0017] In the above-mentioned powder spraying machine that is easy to adjust the amount of powder sprayed, a second motor with a rotating shaft arranged in a horizontal direction is provided below the funnel, and the rotating shaft of the second motor extends into the powder guide pipe to connect to the stirring device. The stirring device includes a mounting sleeve mounted on the rotating shaft of the second motor and a plurality of blades evenly distributed on the outer circumference of the mounting sleeve, and the blades are in an arc shape bent to one side.

[0018] In the above-mentioned powder spraying machine that is convenient for adjusting the amount of powder sprayed, the lower shell is provided with a through hole that communicates with the outside and the air inlet of the shell.

[0019] In the above-mentioned powder spraying machine that is convenient for adjusting the amount of powder sprayed, a plurality of through holes are provided, and the through holes are arranged on the left and right sides of the lower shell.

[0020] In the above-mentioned powder spraying machine that is convenient for adjusting the amount of powder sprayed, the funnel and the lower shell are an integrated structure, and the lower end of the upper shell and the upper end of the lower shell are fixed by welding.

[0021] In the above-mentioned powder spraying machine that is convenient for adjusting the amount of powder sprayed, the casing is fixed to the funnel by screws.

[0022] In the above-mentioned powder spraying machine that is convenient for adjusting the amount of powder sprayed, a feed port is provided on the top of the upper shell, and a top cover is provided at the feed port.

[0023] In the above-mentioned powder spraying machine that is easy to adjust the powder spraying amount, the motor is located below the casing, the motor's rotating shaft is arranged vertically, an air outlet pipe is provided on the side of the casing, the air outlet pipe does not extend out of the casing, and a notch is provided on the casing for the nozzle to extend into.

[0024] The outstanding advantages of the utility model compared with the prior art are:

[0025] 1. The utility model has a sliding plate slidably arranged in the shell, which can adjust the amount of powder entering the powder inlet and then adjust the powder spraying amount, which can accurately control the powder spraying amount and is easy to operate;

[0026] 2. The bottom of the powder storage chamber of the present invention is provided with a powder guide tube whose lower end extends to the casing. The bottom of the powder guide tube forms the powder outlet, so that the powder in the powder outlet can better enter the powder inlet, reducing powder dispersion;

[0027] 3. The utility model sets a second motor under the funnel. The rotating shaft of the second motor extends into the powder guide tube to connect to the stirring device. The rotating shaft of the second motor drives the stirring device to rotate, breaking up the agglomerated powder. The stirring device of the utility model is driven by the rotating shaft of the second motor instead of the rotating shaft of the first motor. The stirring speed of the stirring device can be adjusted separately, that is, a lower stirring speed can be obtained, which effectively prevents powder from flying.

[0028] 4. The air outlet pipe of the utility model does not extend out of the shell, so that there is no protrusion on the shell surface, which is convenient for packaging. Description of the drawings:

[0029] Figure 1 It is a three-dimensional diagram of the utility model;

[0030] Figure 2 It is a cross-sectional view of the utility model;

[0031] Figure 3 It is a three-dimensional structure of the lower shell, funnel, stirring device and motor of the utility model. Figure 1 ;

[0032] Figure 4 It is a three-dimensional structure of the lower shell, funnel, stirring device and motor of the utility model. Figure 2 ;

[0033] Figure 5 It is a three-dimensional diagram of the utility model without the housing;

[0034] Figure 6 It is a three-dimensional diagram of the casing of the utility model.

[0035] Figure numerals: 1, shell; 1a, upper shell; 1b, lower shell; 1c, funnel; 2, powder storage chamber; 3, powder outlet; 4, powder inlet; 5, slide plate; 5a, baffle; 5b, pull plate; 5c, pull block; 6, casing; 7, impeller; 8, motor 1; 9, mounting groove; 10, limit plate; 11, limit column; 12, waist-shaped hole; 13, powder guide tube; 14, motor 2; 15, mounting sleeve; 16, blade; 17, through hole; 18, air outlet duct; 19, notch; 20, feed inlet; 21, top cover. Specific implementation method:

[0036] The present invention is further described below with reference to specific embodiments. Figure 1 —6:

[0037] A powder sprayer that is easy to adjust the amount of powder sprayed, includes a shell 1, a powder storage chamber 2 and a fan located below the powder storage chamber 2 are provided in the shell 1, a powder outlet 3 is provided at the bottom of the powder storage chamber 2, and a powder inlet 4 located below the powder outlet 3 is provided on the fan. A slide plate 5 for adjusting the amount of powder entering the powder inlet 4 from the powder outlet 3 is slidably provided in the shell 1, and the slide plate 5 slides along the length direction of the slide plate 5.

[0038] like Figure 1-6 As shown, the utility model is provided with a slide plate 5 on the housing 1 for sliding. The amount of powder entering the powder inlet 4 is adjusted by sliding the slide plate 5, thereby adjusting the amount of powder sprayed. The amount of powder sprayed can be accurately controlled and is easy to operate.

[0039] The structure of the fan and the installation structure of the slide plate 5: Figure 2 、 5 As shown in Figure 6, the fan includes a casing 6, an impeller 7 arranged in the casing 6, and a motor 8 for driving the impeller 7 to rotate. The powder inlet 4 is arranged on the casing 6, and the length direction of the slide plate 5 is arranged along the horizontal direction. The slide plate 5 is slid on the casing 6. The casing 6 is provided with a mounting groove 9 at the powder inlet 4 to guide the sliding of the slide plate 5, so as to prevent the slide plate 5 from sliding and dislocating, and the installation is convenient.

[0040] Furthermore, the housing 6 is provided with a limit plate 10 for upper-limiting the slide plate 5, and the length direction of the slide plate 5 is arranged along the radial direction of the housing 6, as shown in FIG. Figure 5 、 6 shown.

[0041] The structure of the skateboard 5: Figure 2 、 5 As shown, the slide plate 5 includes a baffle 5a and a pull plate 5b. The outer end of the baffle 5a is connected to the inner end of the pull plate 5b. The outer end of the pull plate 5b extends out of the shell 1 and is provided with a pull block 5c to facilitate pulling the slide plate 5.

[0042] The connection structure of the baffle 5 and the pull plate 5b: the baffle 5a and the pull plate 5b are fixed by screws, and the rod of the screw passes through the pull plate 5b and is screwed to the baffle 5a.

[0043] In order to limit the sliding stroke of the skateboard 5, a limiting column 11 is provided on the housing 6, and a waist-shaped hole 12 is provided on the skateboard 5. The length direction of the waist-shaped hole 12 is set along the sliding direction of the skateboard 5. When the skateboard 5 slides, the two ends of the waist-shaped hole 12 respectively contact the limiting column to limit the position.

[0044] In order to allow the powder from the powder outlet 3 to better enter the powder inlet 4 and reduce powder dispersion, a powder guide tube 13 is provided at the bottom of the powder storage chamber 2 , the lower end of which extends to the casing 6 , and the bottom of the powder guide tube 13 forms the powder outlet 3 .

[0045] The structure of the housing 1: Figure 1-4 As shown, the shell 1 includes an upper shell 1a and a lower shell 1b, a funnel 1c is provided in the lower shell 1b, the upper shell 1a and the funnel 1c form the powder storage chamber 2, and the powder guide tube 13 is provided at the bottom of the funnel 1c to guide the powder in the powder storage chamber 2 so that the powder can better enter the powder guide tube 13.

[0046] The specific setting position of the powder guide tube 13 is as follows: the side wall of the funnel 1c and its bottom plate are transitioned through an arc plate, and most of the powder guide tube 13 is located on the arc plate, and a small part is located on the bottom plate.

[0047] In order to stir the powder in the powder guide tube 13 and prevent the powder from agglomerating and blocking the powder guide tube 13, Figure 2-4 As shown, a motor 2 14 with a rotating shaft arranged in a horizontal direction is provided below the funnel 1c. The rotating shaft of the motor 2 14 extends into the powder guide tube 13 to connect to the stirring device. The stirring device includes a mounting sleeve 15 mounted on the rotating shaft of the motor 2 14 and a plurality of blades 16 evenly distributed on the outer periphery of the mounting sleeve 15. The blades 16 are in an arc shape that is bent to one side, and the stirring effect is good. In this embodiment, there are eight blades 16 evenly distributed around the circumference. The rotation of the rotating shaft of the motor 2 14 drives the stirring device to rotate, breaking up the agglomerated powder. The stirring device of the utility model is driven to rotate by the rotating shaft of the motor 2 14, rather than the rotating shaft of the motor 1 8, and the stirring speed of the stirring device can be adjusted separately, that is, a smaller stirring speed can be obtained, effectively preventing flying powder.

[0048] In order to allow the fan to take in air better, a through hole 17 is provided on the lower shell 1b to connect the outside and the air inlet of the shell 6.

[0049] Preferably, there are multiple through holes 17, which are arranged on the left and right sides of the lower shell 1b.

[0050] Furthermore, the funnel 1c and the lower shell 1b are an integrated structure, and the lower end of the upper shell 1a and the upper end of the lower shell 1b are fixed by welding.

[0051] Installation structure of the fan: the casing 5 is fixed to the funnel 1c by screws.

[0052] In order to facilitate feeding, a feeding port 20 is opened on the top of the upper shell 1a, and a top cover 21 is provided at the feeding port 20.

[0053] Furthermore, the motor 18 is located below the housing 6, with its rotating shaft arranged vertically. An air outlet duct 18 is provided on the side of the housing 6, but does not extend beyond the casing 1. The casing 1 has a notch 19 for the nozzle to extend into. During use, the nozzle passes through the notch 19 and extends into the casing 1, connecting to the air outlet duct 18. The fact that the air outlet duct 18 does not extend beyond the casing 1 eliminates protrusions from the surface of the casing 1, facilitating packaging.

[0054] The above embodiment is only one of the preferred embodiments of the present invention and is not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes made based on the shape, structure, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A powder spraying machine that is easy to adjust the powder spraying amount, characterized in that: The invention comprises a shell (1), wherein a powder storage chamber (2) and a fan located below the powder storage chamber (2) are provided in the shell (1), a powder outlet (3) is provided at the bottom of the powder storage chamber (2), a powder inlet (4) located below the powder outlet (3) is provided on the fan, and a slide plate (5) for adjusting the amount of powder entering the powder inlet (4) from the powder outlet (3) is slidably provided in the shell (1), and the slide plate (5) slides along the length direction of the slide plate (5).

2. A powder spraying machine that is easy to adjust the powder spraying amount according to claim 1, characterized in that: The fan comprises a casing (6), an impeller (7) arranged in the casing (6), and a motor (8) for driving the impeller (7) to rotate. The powder inlet (4) is arranged on the casing (6). The length direction of the slide plate (5) is arranged in a horizontal direction. The slide plate (5) is slidably arranged on the casing (6). The casing (6) is provided with a mounting groove (9) at the powder inlet (4) for guiding the sliding of the slide plate (5).

3. A powder spraying machine that is easy to adjust the powder spraying amount according to claim 2, characterized in that: The housing (6) is provided with a limit plate (10) for upper-limiting the slide plate (5), and the length direction of the slide plate (5) is arranged along the radial direction of the housing (6).

4. A powder spraying machine that is easy to adjust the powder spraying amount according to claim 2, characterized in that: The slide plate (5) comprises a baffle (5a) and a pull plate (5b); the outer end of the baffle (5a) is connected to the inner end of the pull plate (5b); the outer end of the pull plate (5b) extends out of the housing (1) and is provided with a pull block (5c).

5. The powder spraying machine with easy adjustment of powder spraying amount according to claim 2, characterized in that: The housing (6) is provided with a limiting column (11), and the slide plate (5) is provided with a waist-shaped hole (12). The length direction of the waist-shaped hole (12) is arranged along the sliding direction of the slide plate (5). When the slide plate (5) slides, the two ends of the waist-shaped hole (12) respectively contact with the limiting column to limit the position.

6. A powder spraying machine that is easy to adjust the powder spraying amount according to claim 2, characterized in that: A powder guide tube (13) with a lower end extending to the casing (6) is provided at the bottom of the powder storage chamber (2), and the bottom of the powder guide tube (13) forms the powder outlet (3).

7. A powder spraying machine that is easy to adjust the powder spraying amount according to claim 6, characterized in that: The shell (1) comprises an upper shell (1a) and a lower shell (1b); a funnel (1c) is provided in the lower shell (1b); the upper shell (1a) and the funnel (1c) form the powder storage chamber (2); and the powder guide tube (13) is provided at the bottom of the funnel (1c).

8. The powder spraying machine with easy adjustment of powder spraying amount according to claim 7, characterized in that: A second motor (14) with a rotating shaft arranged in a horizontal direction is provided below the funnel (1c). The rotating shaft of the second motor (14) extends into the powder guide tube (13) to connect to a stirring device. The stirring device includes a mounting sleeve (15) sleeved on the rotating shaft of the second motor (14) and a plurality of blades (16) uniformly distributed on the outer periphery of the mounting sleeve (15). The blades (16) are in an arc shape bent to one side.

9. The powder spraying machine with easy adjustment of powder spraying amount according to claim 7, characterized in that: The lower shell (1b) is provided with a through hole (17) communicating with the outside and the air inlet of the shell (6).

10. The powder spraying machine with easy adjustment of powder spraying amount according to claim 2, characterized in that: The motor 1 (8) is located below the housing (6), and the rotating shaft of the motor 1 (8) is arranged vertically. An air outlet pipe (18) is provided on the side of the housing (6), and the air outlet pipe (18) does not extend out of the shell (1). A notch (19) for the nozzle to extend into is provided on the shell (1).

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