Handheld powder spreading device

Abstract

The utility model relates to the technical field of powder adding, in particular to a handheld powder spreading device. Comprising a hopper, a discharging pipe, a spreader shell and a spreading assembly, the top of the discharging pipe is communicated with the hopper, the bottom of the discharging pipe is communicated with the spreader shell, the spreading assembly is arranged in the spreader shell, a discharging opening is formed in the side wall of the spreader shell, and the discharging opening is communicated with the spreader shell. By means of the device, powder can be evenly scattered out, the powder added in the later period is prevented from caking in concrete, and adjustment of the concrete is facilitated. The handheld powder spreading device is mainly applied to handheld powder spreading.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder adding technical field more specifically, relate to a handheld powder spreading device. BACKGROUND

[0002] In the process of adding powder to the concrete in the tank truck, the traditional method often relies on the operator holding the iron mill to send the powder into the tank body one by one. This way not only has great labor intensity, but also has high physical requirements for the operator, and the efficiency is low, especially in large-scale construction or continuous operation environment, the limitation of manual operation is particularly obvious. In addition, due to the existence of caking in the powder, manual spreading is difficult to ensure uniformity, and the powder is easy to accumulate locally in the concrete, and then form caking in the concrete which is not easy to disperse. These caking not only affects the uniformity and overall quality of the concrete, but also may cause instability of the performance of the concrete, especially when adjusting the strength, fluidity and other physical properties of the concrete, the existence of caking will greatly increase the difficulty and uncertainty of adjustment. Therefore, the traditional powder adding method not only increases the construction cost, but also may pose potential risks to the engineering quality, which is not conducive to the efficient and high-quality production and application of concrete. SUMMARY

[0003] In order to overcome the above-mentioned deficiencies in the prior art, the utility model provides a handheld powder spreading device. The device can crush the powder caking while discharging, scatter and discharge the powder, avoid the accumulation of powder in the spreading device, improve the uniformity and efficiency of discharging, and reduce the labor intensity of the operator.

[0004] To solve the above technical problems, the utility model takes the technical scheme that:

[0005] A handheld powder spreading device, comprising a hopper, a discharge pipe, a spreading machine shell and a spreading assembly, the top of the discharge pipe is in communication with the hopper, the bottom of the discharge pipe is in communication with the spreading machine shell, the spreading assembly is arranged in the spreading machine shell, the side wall of the spreading machine shell is provided with a discharge port, and the discharge port is in communication with the spreading machine shell.

[0006] The spreading assembly comprises a discharge assembly and a crushing assembly, the discharge assembly is arranged on the upper part of the crushing assembly, the discharge assembly is connected with a first motor, and the crushing assembly is connected with a second motor.

[0007] The discharge assembly comprises a discharge rotating rod and a discharge paddle, the discharge paddle is arranged on the outer surface of the discharge rotating rod, the first motor is arranged at the bottom of the spreading machine shell, the bottom of the discharge rotating rod extends out of the spreading machine shell, and the top of the discharge rotating rod is connected with the output shaft of the first motor.

[0008] The crushing assembly comprises a crushing rotating rod, a crushing blade, a cleaning rod and an L-shaped cleaning plate, the bottom of the cleaning rod is connected with the top of the discharging rotating rod through a bearing, the L-shaped cleaning plate is fixedly arranged on the cleaning rod, the crushing rotating rod is coaxially fixedly arranged at the top of the cleaning rod, the crushing blade is fixedly arranged outside the crushing rotating rod, the second motor is fixedly arranged at the top of the spreader shell, the top of the crushing rotating rod extends out of the spreader shell, and the crushing rotating rod is connected with the output shaft of the second motor.

[0009] The outer side wall of the L-shaped cleaning plate is arranged in abutment with the inner side wall of the spreader shell.

[0010] The handle is arranged on the discharging pipe, and a motor control switch is arranged on the handle and electrically connected with the first motor and the second motor.

[0011] The bottom of the spreader shell is provided with a shell leg.

[0012] Compared with the prior art, the present application has the following beneficial effects: through the motor control switch, the first motor and the second motor can be controlled respectively, and the independent operation of discharging and crushing is realized; the rotation of the discharging paddle can quickly scatter and discharge the powder; the crushing blade can preliminarily crush the falling powder to prevent large particles from caking and falling; the L-shaped cleaning plate can rotate to scrape off the powder adhered and accumulated on the inner surface of the spreader shell; and the shell leg is arranged to facilitate the operator to place the device on the ground for operation, thereby reducing the labor of the operator. The device can uniformly spread the powder, prevent the added powder in the later period from caking in the concrete, and is beneficial to the adjustment of the concrete. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a split schematic view of the present application;

[0014] Fig. 2 It is a schematic view of the spreading assembly of the present application;

[0015] Fig. 3 It is a schematic view of the discharging assembly of the present application;

[0016] Fig. 4 It is a schematic view of the bottom of the spreader shell of the present application; in the figure: 1 is a hopper, 2 is a discharging pipe, 3 is a spreader shell, 4 is a discharging port, 5 is a shell leg, 6 is a first motor, 7 is a second motor, 8 is a handle, 9 is a motor control switch, 10 is a spreading assembly, 11 is a discharging rotating rod, 12 is a discharging paddle, 13 is a crushing rotating rod, 14 is a crushing blade, 15 is a cleaning rod, 16 is an L-shaped cleaning plate, and 17 is a bearing. DETAILED DESCRIPTION

[0017] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0018] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0019] like Figs. 1 to 4 As shown, a handheld powder spreading device includes a hopper 1, a feeding pipe 2, a spreading machine housing 3, and a spreading assembly 10. The top of the feeding pipe 2 is connected to the hopper 1, and the bottom of the feeding pipe 2 is connected to the spreading machine housing 3. The spreading assembly 10 is disposed inside the spreading machine housing 3. A discharge port 4 is provided on the side wall of the spreading machine housing 3 and is connected to the spreading machine housing 3. Powder is fed into the hopper 1 by direct pouring or by pipe connection. The powder enters the spreading machine housing along the feeding pipe 2 and is then spread out through the discharge port 4 by the spreading assembly 10.

[0020] Preferably, the spreading assembly 10 includes a discharge assembly and a crushing assembly. The discharge assembly is located above the crushing assembly and is connected to a first motor 6. The crushing assembly is connected to a second motor 7.

[0021] Preferably, the discharge assembly includes a discharge rotating rod 11 and discharge paddles 12. The discharge paddles 12 are disposed on the outer surface of the discharge rotating rod 11. The first motor 6 is disposed at the bottom of the spreader housing 3. The bottom of the discharge rotating rod 11 extends out of the spreader housing 3, and the top of the discharge rotating rod 11 is connected to the output shaft of the first motor 6. Three sets of discharge paddles 12 are disposed at equal angles outside the discharge rotating rod. The length of the discharge paddles 12 is less than the radius of the spreader housing 3.

[0022] Preferably, the crushing assembly includes a crushing rotor 13, crushing blades 14, a cleaning rod 15, and an L-shaped cleaning plate 16. The bottom of the cleaning rod 15 is connected to the top of the discharge rotor 11 via a bearing 17. The L-shaped cleaning plate 16 is fixedly mounted on the cleaning rod 15. The crushing rotor 13 is coaxially fixedly mounted on the top of the cleaning rod 15. The crushing blades 14 are fixedly mounted on the outside of the crushing rotor 13. The second motor 7 is fixedly mounted on the top of the spreader housing 3. The top of the crushing rotor 13 extends out of the spreader housing 3, and the crushing rotor 13 is connected to the output shaft of the second motor 7. Two sets of crushing blades 14 are symmetrically arranged on the crushing rotor.

[0023] Preferably, the outer wall of the L-shaped cleaning plate 16 is fitted to the inner wall of the spreader housing 3.

[0024] Preferably, the blanking pipe 2 is provided with a handle 8, and the handle 8 is provided with a motor control switch 9, which is electrically connected with the first motor 6 and the second motor 7.

[0025] Preferably, the bottom of the spreader shell 3 is provided with a shell leg 5. When continuously spreading at a fixed point, the device can be placed on the ground through the shell leg 5, and the operator does not need to hold the device all the time, thereby reducing the labor intensity.

[0026] The powder is added into the hopper 1, and the powder reaches the spreader shell 3 through the blanking pipe 2. The powder can be uniformly spread out of the discharge port 4 by starting the click control switch 9 and rotating the three groups of discharge flaps 12 driven by the discharge rotating rod 11, thereby preventing the powder added later from being agglomerated in the concrete and being conducive to the adjustment of the concrete. The second motor 7 can drive the crushing blade 14 and the L-shaped cleaning plate 16 to rotate, so as to preliminarily crush the falling powder block and scrape off the accumulated powder in the spreader shell 3 and gather them to the center.

[0027] The above only describes the preferred embodiments of the present application in detail, but the present application is not limited to the above embodiments. Within the knowledge range of those skilled in the art, various changes can be made without departing from the purpose of the present application, and all the changes shall be included in the protection range of the present application.

Claims

1. A hand-held powder spreading device, characterised in that: The device comprises a hopper (1), a discharging pipe (2), a spreader shell (3) and a spreading assembly (10), the top of the discharging pipe (2) is in communication with the hopper (1), the bottom of the discharging pipe (2) is in communication with the spreader shell (3), the spreading assembly (10) is arranged in the spreader shell (3), the sidewall of the spreader shell (3) is provided with a discharge port (4), and the discharge port (4) is in communication with the spreader shell (3).

2. A hand-held powder spreading device according to claim 1, characterised in that: The spreading assembly (10) comprises a discharging assembly and a crushing assembly, the discharging assembly is arranged on the upper portion of the crushing assembly, the discharging assembly is connected with a first motor (6), and the crushing assembly is connected with a second motor (7).

3. A hand-held powder spreading device according to claim 2, wherein: The discharging assembly comprises a discharging rotating rod (11) and a discharging paddle (12), the discharging paddle (12) is arranged on the outer surface of the discharging rotating rod (11), the first motor (6) is arranged at the bottom of the spreader shell (3), the bottom of the discharging rotating rod (11) extends out of the spreader shell (3), and the top of the discharging rotating rod (11) is connected with the output shaft of the first motor (6).

4. A hand-held powder spreading device according to claim 3, wherein: The crushing assembly comprises a crushing rotating rod (13), a crushing blade (14), a cleaning rod (15) and an L-shaped cleaning plate (16), the bottom of the cleaning rod (15) is connected with the top of the discharging rotating rod (11) through a bearing (17), the L-shaped cleaning plate (16) is fixedly arranged on the cleaning rod (15), the crushing rotating rod (13) is coaxially fixedly arranged on the top of the cleaning rod (15), the crushing blade (14) is fixedly arranged on the outer side of the crushing rotating rod (13), the second motor (7) is fixedly arranged on the top of the spreader shell (3), the top of the crushing rotating rod (13) extends out of the spreader shell (3), and the crushing rotating rod (13) is connected with the output shaft of the second motor (7).

5. A hand-held powder spreading device according to claim 4, wherein: The outer sidewall of the L-shaped cleaning plate (16) is arranged in abutment with the inner sidewall of the spreader shell (3).

6. A hand-held powder spreading device according to claim 4, wherein: A handle (8) is arranged on the discharging pipe (2), a motor control switch (9) is arranged on the handle (8), and the motor control switch (9) is electrically connected with the first motor (6) and the second motor (7).

7. A hand-held powder spreading device according to claim 2, wherein: The bottom of the spreader shell (3) is provided with a shell supporting leg (5).

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