Variable-speed accurate quantitative powder feeding device

Abstract

A discharging mechanism of the variable-speed accurate quantitative powder discharging device comprises a bottom plate arranged on a base plate, a powder cover cylinder is installed on the bottom plate, a quantitative disc is arranged between the base plate and the bottom plate in an attached mode, the quantitative disc is installed on a rotating shaft penetrating through the base plate and the bottom plate, and a plurality of powder bearing holes are evenly formed in the circumference of the quantitative disc. The bottom plate is provided with a powder inlet capable of exposing more than two adjacent powder bearing holes, and a blanking port staggered with the powder inlet is formed in the base plate; a conical cover frame mounted on a rotating shaft is arranged on a bottom plate in the powder cover cylinder, radial disturbance plates are uniformly distributed on the circumference of the conical cover frame, the rotating shaft is driven by a servo power mechanism arranged below the base plate to drive the quantitative disc to rotate intermittently, and at the stop position of the quantitative disc, a discharging port of the base plate is communicated with each powder bearing hole; a cover cap is arranged on the bottom plate corresponding to the discharging opening, a powder falling shifting piece hinged through a torsional spring is arranged in the cover cap, and at the stop position, the powder falling shifting piece returns to the corresponding powder bearing hole through a piece falling opening formed in the bottom plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a powder quantitative discharging device, in particular to a variable-speed accurate powder discharging device. BACKGROUND

[0002] In China, rice noodles are a kind of rice product food that people like, and rice noodles are divided into fresh wet rice noodles and dry rice noodles, and the stores mainly sell fresh wet rice noodles.

[0003] In order to realize fresh wet rice noodles in the rice noodle store, the existing patent technology proposes a plurality of fresh rice noodle machines, and the core component of any fresh rice noodle machine is a rice noodle squeezing device, and the function of the rice noodle squeezing device is to squeeze the fed rice slurry into a strip-shaped rice noodle after semi-cooking or cooking, and the strip-shaped rice noodle is cut, cooked, cooled, optimized, aged, and rehydrated for customers to eat.

[0004] The rice slurry is mostly traditionally manually prepared, that is, a certain amount of rice powder and water are stirred and prepared into rice slurry by manual operation, and due to human factors, the weight of the rice powder may be incorrectly called, so that the proportion of the rice slurry is incorrectly prepared, and the quality of the fresh wet rice noodles cannot be ensured. INVENTION CONTENTS

[0005] In view of the deficiencies of the prior art, the technical problem to be solved by the utility model is to provide a variable-speed accurate powder discharging device to replace manual weighing.

[0006] The variable-speed accurate powder discharging device can solve the technical problem, and the technical scheme comprises a discharging mechanism, and the difference is that:

[0007] 1. The discharging mechanism comprises a bottom plate arranged on a base plate, a powder cover cylinder is coaxially arranged on the bottom plate, a quantitative disc coaxial with the bottom plate is arranged between the base plate and the bottom plate, the quantitative disc is coaxially arranged on a rotating shaft penetrating the base plate and the bottom plate, a plurality of powder receiving holes are arranged on the circumference of the quantitative disc, at least one powder inlet hole is arranged on the bottom plate to expose two or more adjacent powder receiving holes, and a discharging hole is arranged on the base plate opposite to the powder inlet hole.

[0008] 2. A conical cover frame is coaxially arranged on the bottom plate in the powder cover cylinder and arranged on the rotating shaft, radial disturbance plates are arranged on the circumference of the conical cover frame, the rotating shaft is driven by a servo power mechanism arranged below the base plate to intermittently rotate the quantitative disc, and the discharging hole of the base plate is communicated with a corresponding powder receiving hole at the stop position of the quantitative disc.

[0009] 3. A cover is provided on the bottom plate for the aligned feeding port. Inside the cover is a powder dropping blade. Along the rotation direction of the metering disc, the rear end of the powder dropping blade is hinged by a torsion spring. At the resting position, the torsion spring pushes the powder dropping blade forward and downward through the corresponding dropping hole on the bottom plate and returns it to the powder receiving hole aligned with the feeding port.

[0010] Furthermore, one structure of the servo power mechanism includes a sprocket and chain drive pair driven by a servo motor.

[0011] Furthermore, a counter for recording the number of intermittent rotations of the quantitative disc is installed on the driving or driven sprocket shaft of the sprocket and chain drive pair.

[0012] Furthermore, a vibrator is provided at the bottom of the substrate, and the substrate is installed in place by means of shock-absorbing rubber pads.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. This utility model of variable speed precise quantitative powder dispensing device can prevent incorrect rice slurry ratio caused by human error, enhance the stability of powder dispensing, and can adjust the amount of powder dispensing in real time. Under the condition of consistent parameters, the amount of powder dispensed is constant.

[0015] 2. This utility model allows for different parameter settings to vary the amount of rice flour added, adapting to different rice slurry ratios.

[0016] 3. This utility model is easy for staff to operate, saving time and effort. Attached Figure Description

[0017] Figure 1 This is an isometric view of one embodiment of the present invention.

[0018] Figure 2 for Figure 1 Front view of the implementation method.

[0019] Figure 3 for Figure 2 Top view.

[0020] Figure 4 for Figure 3 AA section view in the image.

[0021] Figure 5 for Figure 3 BB section view in the middle.

[0022] Figure 6 for Figure 3 , Figure 4 Axonometric view (looking down) of the powder-dropping paddle assembly.

[0023] Figure number identification: 1, base plate; 2, bottom plate; 3, quantitative disc; 31, powder bearing hole; 4, rotating shaft; 5, conical cover frame; 6, disturbance plate; 7, powder cover cylinder; 8, cover; 9, powder falling piece; 10, torsion spring; 11, servo motor; 12, chain wheel and chain transmission pair; 13, counter; 14, vibrator; 15, shock absorbing rubber pad; 16, discharge pipe; 17, hopper; 18, bearing assembly. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model will be further described in connection with the embodiment shown in the drawings.

[0025] The variable-speed accurate quantitative powder feeding device of the utility model, including base plate 1, bottom plate 2, quantitative disc 3 and powder cover cylinder 7, bottom plate 2 is erected on base plate 1, powder cover cylinder 7 is coaxially installed on bottom plate 2, hopper 17 is coaxially installed on powder cover cylinder 7, the rotating shaft 4 that is coaxial with bottom plate 2 is equipped with through base plate 1 and bottom plate 2, rotating shaft 4 is supported and installed through the bearing assembly 18 of the bottom of base plate 1, quantitative disc 3 is installed on rotating shaft 4 between base plate 1 and bottom plate 2, the top surface of quantitative disc 3 is attached with the bottom surface of bottom plate 2, the bottom surface of quantitative disc 3 is attached with the top surface of base plate 1, bottom plate 2 in powder cover cylinder 7 is equipped with conical cover frame 5, conical cover frame 5 is coaxially installed on the top of rotating shaft 4, the side of conical cover frame 5 is evenly distributed with four radial disturbance plates 6, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 .

[0026] The quantitative disc 3 is evenly distributed with a plurality of powder bearing holes 31 on the circumference, the bottom plate 2 is provided with an arc-shaped powder inlet I and two arc-shaped powder inlets II in the clockwise direction, the arc-shaped powder inlet I and the second arc-shaped powder inlet II are provided with a cover 8, a falling piece hole is provided on the bottom plate 2 opposite the cover 8, a discharge port is provided on the base plate 1, a discharge pipe 16 is provided on the bottom of the base plate 1 and is in communication with the discharge port, the distance between two adjacent powder bearing holes 31 is greater than the diameter of the discharge port; a servo motor 11 is provided on the side of the base plate 1, the servo motor 11 is connected to the rotating shaft 4 through a chain wheel and chain transmission pair 12, the chain wheel and chain transmission pair 12 includes a driving sprocket (installed on the output shaft of the servo motor 11) and a driven sprocket (installed on the rotating shaft 4), a counter 13 is installed on the output shaft of the servo motor 11, under the drive of the servo motor 11, the chain wheel and chain transmission pair 12 drives the rotating shaft 4 and the quantitative disc 3 to rotate synchronously and intermittently, at the stop position of the quantitative disc 3, the discharge port on the base plate 1 is in communication with the corresponding powder bearing hole 31, as shown in Figure 1 、 Figure 2、 Figure 3 、 Figure 4 、 Figure 5 as shown.

[0027] The cover 8 is provided with a falling powder paddle 9, and the rear end of the falling powder paddle 9 is hinged to the rear end of the cover 8 through a torsion spring 10 in the clockwise rotation direction of the quantitative disc 3. In the stop position of the quantitative disc 3, the torsion spring 10 returns the falling powder paddle 9 to the powder receiving hole 31 through the falling paddle opening and downwards, and the powder receiving hole 31 is aligned with the discharge opening, as shown in Figure 3 、 Figure 4 、 Figure 6 as shown.

[0028] The discharge pipe 16 and the counter 13 are misaligned, and the vibrator 14 is installed on the bottom of the base plate 1, and the shock-absorbing rubber pads 15 are uniformly arranged on the periphery of the bottom of the base plate 1. The base plate 1 is installed in place through the shock-absorbing rubber pads 15, as shown in Figure 1 、 Figure 4 、 Figure 5 as shown.

[0029] The operation mode of the utility model is:

[0030] 1. The servo motor 11 is started, and the quantitative disc 3 is driven to rotate to the starting position, i.e. the "0" counting position of the counter 13, through the chain sprocket and chain transmission pair 12. At this time, the quantitative disc 3 closes the discharge opening, and the falling powder paddle 9 is pushed upwards by the quantitative disc 3 to the cover 8.

[0031] 2. The rice powder is filled in the powder cover cylinder 7 through the hopper 17, and the vibrator 14 is started to vibrate the base plate 1 at high frequency, so that the rice powder in the powder cover cylinder 7 fills the powder receiving hole 31 through the powder inlet.

[0032] 3. The servo motor 11 is started, and the quantitative disc 3 is driven to rotate clockwise and intermittently through the chain sprocket and chain transmission pair 12. The intermittent rotation times of the quantitative disc 3 are recorded and fed back by the counter 13, forming a closed loop, so as to accurately control the powder amount. The intermittent rotation angle of the quantitative disc 3 is equal to the central angle between two adjacent powder receiving holes 31.

[0033] 4. In each stop position of the quantitative disc 3, the discharge opening can be communicated with each powder receiving hole 31 respectively, the falling powder paddle 9 is returned to disperse the rice powder in the powder receiving hole 31 and make it all fall from the powder receiving hole 31, and the discharge pipe 16 supplies the material to the stirring mechanism, which ensures the consistency and integrity of the powder quantity. The discharge speed of the quantitative disc 3 is determined by the intermittent rotation speed, i.e. the intermittent frequency, of the servo motor 11.

Claims

1. A variable-speed accurate powder dosing device, comprising a powder discharging mechanism, characterized in that: the powder discharging mechanism comprises a base plate (2) arranged on a base plate (1), a powder cover cylinder (7) coaxially arranged on the base plate (2), a dosing disc (3) coaxially arranged on the base plate (2) and arranged between the base plate (1) and the base plate (2), the dosing disc (3) coaxially arranged on a rotating shaft (4) penetrating the base plate (1) and the base plate (2), a plurality of powder receiving holes (31) circumferentially arranged on the dosing disc (3), at least one powder inlet hole (31) arranged on the base plate (2) and allowing two or more adjacent powder receiving holes (31) to be exposed, and a powder discharging hole arranged on the base plate (1) and opposite to the powder inlet hole; a conical cover frame (5) coaxially arranged on the base plate (2) in the powder cover cylinder (7) and arranged on the rotating shaft (4), a plurality of radial disturbance plates (6) circumferentially arranged on the conical cover frame (5), the rotating shaft (4) driven by a servo power mechanism arranged below the base plate (1) to intermittently rotate the dosing disc (3), and the powder discharging hole of the base plate (1) communicated with a corresponding powder receiving hole (31) at a stop position of the dosing disc (3); a cover (8) arranged on the base plate (2) opposite to the powder discharging hole, a powder falling push piece (9) arranged in the cover (8), the rear end of the powder falling push piece (9) hinged by a torsional spring (10) in the rotating direction of the dosing disc (3), and the powder falling push piece (9) returned to the powder receiving hole (31) opposite to the powder discharging hole through a falling piece opening arranged on the base plate (2) at the stop position. The servo power mechanism comprises a chain and sprocket transmission pair (12) driven by a servo motor (11).

2. The variable speed precision metering device of claim 1, wherein: A counter (13) recording the number of intermittent rotations of the dosing disc (3) is arranged on the driving or driven sprocket shaft of the chain and sprocket transmission pair (12).

3. The variable speed precision metering device of claim 2, wherein: A vibrator (14) is arranged at the bottom of the base plate (1), and the base plate (1) is installed in place by a shock-absorbing rubber pad (15).

4. The variable speed precision metering device of any of claims 1-3, wherein: ​

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