WO2014161143A1

WO2014161143A1 - Stirring head for making milk foam, stirring accessory for making milk foam, and device for making milk foam

Info

Publication number: WO2014161143A1
Application number: PCT/CN2013/073593
Authority: WO
Inventors: 李晓川
Original assignee: 深圳市联创三金电器有限公司
Priority date: 2013-04-01
Filing date: 2013-04-01
Publication date: 2014-10-09

Abstract

Disclosed are a stirring head for making milk foam, a stirring accessory for making milk foam provided with the stirring head, and a device for making milk foam, which are used for stirring liquid milk into foamed milk. The stirring head (1) for making milk foam comprises at least one gear-shaped stirring sub-head (11). The stirring sub-head (11) comprises a base pillar (111) with a cylindrical outer peripheral surface, and at least one straight-plate-shaped rack (112) connected to the outer peripheral surface of the base pillar (111). Various stirring subheads (11) are coaxially connected into one piece. By means of gaps among the racks (112), the stirring head (1) for making milk foam enables air to enter the milk from the gaps among the racks (112) to mix with the milk while stirring the milk. Since each stirring subhead (11) is formed in a gear shape with uniform gaps, air is uniformly mixed with the milk in the process of stirring, thereby enabling the efficiency of making milk foam to be greatly improved, the made milk foam to be delicate, and the effect of making milk foam to be good.

Description

Milk foam mixing head, milk foam mixing accessory, and milk foaming device

The present invention relates to a food processing device, and more particularly to a food processing device that agitates a liquid. Background technique

The prior art foaming device for agitating pure liquid milk into a foamed milk liquid comprises a stirring shaft 7 driven by a driving motor and a foaming agitating head fixedly mounted on the stirring shaft. As shown in Fig. 9 and Fig. 10, a prior art milk foam mixing head has a curved milk foam stirring head 81 formed of a wave curved surface. As shown in Fig. 11 and Fig. 12, there is also a prior art foaming agitating head which uses a spiral curve-shaped foaming agitating head 82 surrounded by a spiral line. The above two types of milk mixing heads 81, 82 are made by agitating the milk so that the milk is mixed with air during a severe impact to form a foamy milk. However, prior art milk foam mixing heads, as well as foaming devices, have the following drawbacks and deficiencies:

1. Prior Art The above two types of milk foam mixing heads 81 and 82 make the milk liquid and the air mixed unevenly, and the prepared milk foam is not delicate enough, and the efficiency of manufacturing the milk foam is low;

2. Most of the prior art is a device specially designed for making milk foam, and cannot be compatible with other food stirring devices, and the milk foam function cannot be realized on the multi-purpose stirring device;

3. Most of the prior art hand-held foaming devices use power supply devices that are not continuously powered and have no power cord, such as battery power. Because the stirring speed required for milk foaming is high, the battery power supply cannot maintain the driving motor for a long time. The high-speed operation also affects the effect of making milk foam, and the milk foaming device has low foaming efficiency. Summary of the invention

The technical problem to be solved by the present invention is to avoid the deficiencies of the prior art and to provide a milk foam mixing head capable of improving the foaming efficiency and improving the foaming degree of the milk foam, and can be used for the foaming stirring of the multifunctional stirring device. Accessories, and a milk making device capable of maintaining a long-term milking process.

The technical problem solved by the present invention can be achieved by using the following technical solutions:

The milk foam mixing head is designed and manufactured for fixed connection on the stirring shaft, and the liquid milk is stirred into foamy milk as the stirring shaft rotates. In particular, at least one gear-like stirring subhead is included. The agitating subhead includes a base post having a cylindrical outer peripheral surface, and at least a continuous plate-like rack attached to an outer peripheral surface of the base post. Each of the stirring subheads is coaxially connected in one body. Specifically, the outer diameter of each stirring sub-head is sequentially reduced along the axial direction from the front end of the stirring shaft to the end, thereby The coaxial gear-shaped stirring heads of the unequal outer diameters are stacked in the order of decreasing outer diameter to form a stepped gear group-shaped milk foam mixing head.

In order to prevent splashing of the milk during the stirring process, the front end of the rack of each stirring head is smoothly transitioned by the arc surface.

Specifically, the rack of the stirring subhead includes a two-toothed side and a gingival surface. The two-toothed sides are connected between the gingival surface and the outer peripheral surface of the base post. Between the flank surface and the cylindrical outer peripheral surface of the base post, and between the flank surface and the gingival surface, a smooth transition is formed by the arc surface.

In order to further improve the milk foaming efficiency, the maximum outer diameter of the milk foaming mixing head is inversely proportional to the rated rotational speed of the milk foaming mixing head.

In order to facilitate the fixed installation, the respective base columns of the stirring sub-heads are provided with axially fixed through holes having the same inner diameter, and the stirring sub-heads are sleeved on the stirring rotating shaft by means of the fixed through holes. The technical problem of the present invention can be achieved by using the following technical solutions:

Design and manufacture a milk foam mixing accessory for mounting on a drive main body, which is driven by a drive motor in the drive main body to stir the liquid milk into a foamy milk liquid. More particularly, it includes a torque output shaft for detachably connecting the drive motor, a stirring shaft driven by the torque output shaft, and a foaming agitating head fixedly mounted at a front end of the stirring shaft. As previously mentioned, the milk foaming agitating head comprises at least one gear-shaped stirring subhead. The agitating subhead includes a base post having a cylindrical outer peripheral surface, and at least a continuous plate-like rack attached to an outer peripheral surface of the base post. Each of the stirring subheads is coaxially connected. The milk foaming stirring head has all the above-mentioned features, and the outer diameter of each stirring sub-head is sequentially reduced along the axial direction from the front end to the end of the stirring rotating shaft, so that the coaxial gear-shaped stirring sub-heads of the unequal outer diameter are used. The foaming mixing heads of the stepped gear group are stacked in the order of decreasing outer diameter.

Specifically, the rack of the stirring subhead includes a two-toothed side and a gingival surface. The two toothed sides are connected between the gingival surface and the outer peripheral surface of the base post. Between the flank surface and the cylindrical outer peripheral surface of the base post, and between the flank surface and the gingival surface, a smooth transition is made with a circular arc guide angle.

In order to facilitate the fixed installation, the respective base columns of the stirring sub-heads are provided with axially fixed through holes having the same inner diameter, and the stirring sub-heads are sleeved on the stirring rotating shaft by means of the fixed through holes.

In order to facilitate the detachable mounting of the milk foam stirring accessory on the driving host, the milk foam mixing accessory further includes Removably connect the connection housing of the drive unit. The end of the stirring shaft is inside the connecting casing, and the front end of the stirring shaft protrudes from the connecting casing.

In order to improve the mechanical stability of the stirring shaft under high-speed rotating conditions, a bearing fixing sleeve is disposed in the connecting casing, and a bearing is fixedly mounted in the bearing fixing sleeve. The bearing is fitted over the agitating shaft.

In particular, the bearing is a tubular copper-based oil-impregnated bearing.

In order to reduce the noise caused by the vibration, a tubular bearing damper sleeve made of an elastic material is disposed between the inner wall of the bearing fixing sleeve and the outer wall of the bearing.

In order to prevent the milk from splashing into the milk foam stirring accessory during the stirring process, the milk foam stirring accessory further comprises a sealing ring sleeved on the stirring shaft, so that the stirring shaft is sealingly extended out of the connecting casing. The technical problem solved by the present invention can also be achieved by using the following technical solutions:

Design and manufacture a milk foaming device for agitating liquid milk into a foamed milk solution, including a drive main unit and a foam mixing accessory. The drive host includes a drive motor and a power module that supplies power to the drive motor. The milk froth attachment includes a torque output shaft for detachably connecting the drive motor, a stirring shaft driven by the torque output shaft, and a foaming agitating head fixedly mounted at a front end of the stirring shaft. The milk foaming agitating head includes at least one gear-shaped agitating head. The agitating subhead includes a base post having a cylindrical outer peripheral surface, and at least a continuous plate-like rack attached to an outer peripheral surface of the base post. Each of the stirring subheads is coaxially connected in one body. The foaming mixing head has all the above-mentioned features, and the outer diameter of each stirring head is sequentially reduced along the axial direction from the front end to the end of the stirring shaft, thereby being stirred by coaxial gears of unequal outer diameters. The sub-heads are stacked in the order of decreasing outer diameter to form a stepped gear set-like milk foam mixing head.

The milk foam mixing accessory has all the features mentioned above, and in order to facilitate the detachable mounting of the milk foam stirring accessory on the driving host, the milk foam stirring accessory further comprises a detachable connection to the driving host. Connect the housing. Stir The end of the mixing shaft is inside the connecting housing, and the front end of the stirring shaft extends from the connecting housing.

In particular, the bearing is a tubular copper-based oil-impregnated bearing.

In order to prevent the milk from splashing into the milk foam stirring accessory during the stirring process, the milk foam stirring accessory further comprises a sealing ring sleeved on the stirring shaft, so that the stirring shaft is sealingly extended out of the connecting casing.

In order to enable the drive motor to output torque for a plurality of agitation attachments, the drive assembly further includes a shaft connector for rotating the agitation shaft with the drive motor torque output shaft. The shaft connector is fixedly coupled to a torque output shaft of the drive motor.

Specifically, the shaft joint is machined with a positioning G3 hole that is trapped rearward in the axial direction of the torque output shaft, and the end of the stirring shaft is provided with a connecting rod perpendicular to the axial direction of the stirring shaft. When the connecting housing is mounted on the driving main body, the connecting rod is engaged in the positioning G3 hole, so that the stirring rotating shaft rotates with the driving motor torque output shaft.

In order to prevent the agitating shaft from causing noise due to axial turbulence under high-speed rotation, a shaft positioning hole along the axial direction of the torque output shaft G3 is machined at the bottom of the positioning G3 hole. The bottom of the shaft positioning hole is provided with a damping pad made of an elastic material. When the connecting housing is mounted on the driving host, the connecting rod is engaged in the positioning G3 hole, the end of the stirring rotating shaft is inserted into the shaft positioning hole, and the end of the stirring rotating shaft is contacted or pressed against the vibration damping On the gasket.

In order to maintain a stable high-speed operation of the drive motor for a long time during the foaming process, the power module is an electric energy conversion module capable of converting AC power into electric energy that meets the electrical input characteristics of the drive motor. Compared with the prior art, the technical effects of the "milk mixing head, milk foam mixing accessory, and milk foaming device" of the present invention are as follows:

1. The foaming mixing head passes through the gap between the racks, and while stirring the milk, the air is mixed from the intermittent between the racks into the milk and the milk, because the stirring heads are evenly spaced. In the shape of gears, the air and the milk are evenly mixed during the mixing process, so that the milk foaming efficiency is greatly improved, the prepared milk foam is fine, and the milk foaming effect is good;

2. The milk foaming mixing head introduces the air layer into the milk through the step gear group structure, and evenly mixes with the milk liquid, further improves the milk foaming efficiency and improves the milk foam taste;

3. The milk foam accessory is used in conjunction with the driving host to make the milk foam function a function that can be realized by the multifunctional milk foam device, which not only helps to expand the scope of application of the milk foam accessory, but also enhances its compatibility. The function of the multi-functional stirring device is more abundant, which meets the needs of users for multi-purpose use;

4. The power module of the driving host realizes long-term power supply to the driving host by using the AC power available everywhere. The requirement of the full-length milk foam to maintain the high-speed and stable operation of the drive motor for a long time ensures that the milk foaming device has a high foaming efficiency. DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a front elevational front view showing a foaming agitating head 1 of a preferred embodiment of a "milk foaming agitating head, a milk foaming agitating attachment, and a milking device";

Figure 2 is a schematic axial projection view of the milk foam mixing head 1;

Figure 3 is a schematic plan view of the orthodontic mixing head 1;

Figure 4 is a front elevational view of the milk foaming mixing head 1;

Figure 5 is a schematic projection view of the milk foam mixing attachment 3 of the preferred embodiment;

Figure 6 is a schematic cross-sectional front view showing the front view of the milk foam mixing attachment 3;

Figure 7 is a schematic perspective view showing the exploded state of the milk making device of the preferred embodiment;

Figure 8 is a schematic cross-sectional front view of the front projection of the milk making device;

9 is a schematic projection view of a curved milk foam mixing head 81 connected to a stirring shaft 7 in the prior art; FIG. 10 is a schematic projection view of a prior art curved milk foaming stirring head 81;

11 is a schematic projection view of a spiral curved foaming agitating head 82 connected to a stirring shaft 7 in the prior art; FIG. 12 is a schematic projection view of a prior art spiral curved coiled milk mixing head 82; . detailed description

The embodiments are further described in detail below with reference to the embodiments shown in the drawings.

The present invention provides a milk foaming mixing head 1 for fixed attachment to a stirring shaft 2, which is stirred into a foamed milk liquid as the stirring shaft 2 rotates. As shown in Figs. 1 to 4, the milk foaming stirring head 1 includes at least one toothed stirring head 11 . The agitating subhead 11 includes a base post 111 having a cylindrical outer peripheral surface, and at least a continuous plate-like rack 112 attached to an outer peripheral surface of the base post 111. Each of the stirring subheads 11 is coaxially connected in one body. While stirring the milk, the gap between the racks 112 of the stirring subhead 11 causes air to enter the milk and the milk mixture. Since each of the stirring subheads 11 has a gear shape, the air is mixed with the milk during the stirring process. Uniform, the milk foaming efficiency is greatly improved, the made milk foam is fine, and the milk foaming effect is good.

In order to obtain a better foaming effect, in accordance with a preferred embodiment of the present invention, as shown in Figs. 1 to 3, the outer diameter of each of the stirring subheads 11 is sequentially reduced in the axial direction from the front end to the end of the stirring shaft 2, Thereby, the coaxial gear-shaped stirring subheads 11 of the unequal outer diameters are stacked in the order of decreasing outer diameter to form the stepped gear group-shaped foaming agitating head 1. Agitating conversion is defined in the present invention The shaft 2 is mounted on the front end of one end of the foam mixing head 1, and the front end is in the front direction, and the other end of the stirring shaft 2 is the end or the rear end, and the end or the rear end is located rearward. The milk foaming mixing head 1 introduces the air layer into the milk through the step gear group structure, and uniformly mixes with the milk liquid, further improves the milk foaming efficiency and improves the milk foam taste.

In order to prevent splashing of the milk during the stirring process, the front end of the rack 112 of each stirring sub-head 11 is smoothly transitioned by the arc-shaped guide angle 9. In a preferred embodiment of the present invention, as shown in Figures 1 through 4, the rack 112 of the agitating sub-head 11 includes a two-toothed side surface 1121 and a gingival surface 1122. The two-toothed side surface 1121 is connected between the gingival surface 1122 and the outer peripheral surface of the base column 111. Similarly, in order to prevent splashing of the milk during the stirring process, between the flank 1121 and the cylindrical outer peripheral surface of the base column 111, and between the flank 1121 and the gingival surface 1122, the smooth transition of the arc surface guide angle 9 is used. .

In order to further improve the milk foaming efficiency, the maximum outer diameter of the milk foaming mixing head 1 is inversely proportional to the rated rotational speed of the milk foaming mixing head 1, that is, the higher the rotational speed of the milking foaming stirring head 1 is driven, The smaller the outer diameter should be, the lower the rotational speed of the foaming agitator 1 is driven, and the larger the outer diameter should be.

In order to facilitate the fixed installation, the base posts 111 of the agitating sub-heads 11 are respectively provided with axially fixed through holes 1111 having the same inner diameter, and the agitating sub-heads 11 are sleeved on the agitating shaft 2 by means of the fixed through-holes 1111. on. On the basis of the above-mentioned milk foaming stirring head 1, the present invention also provides a milk foaming stirring attachment 3 for mounting on the driving main body 4, which is driven by the driving motor 41 in the driving main body 4 to supply liquid milk liquid. Stir into a foamy milk. As shown in FIGS. 5 and 6, the milk foam stirring attachment 3 includes a torque output shaft 411 for detachably connecting the drive motor 41, a stirring shaft 2 driven by the torque output shaft 411, and a fixing A foaming agitating head 1 attached to the front end of the stirring shaft 2. As described above, the foaming agitating head 1 includes at least one gear-like stirring subhead 11. The agitating subhead 11 includes a base post 111 having a cylindrical outer peripheral surface, and at least a continuous plate-like rack 112 attached to an outer peripheral surface of the base post 111. The stirring subheads 11 are coaxially connected in one body.

The milk foaming stirring head 1 installed at the front end of the milk foaming stirring attachment 3 has all the above-mentioned features, that is, in order to obtain a better milk foaming effect, a preferred embodiment of the present invention, as shown in FIGS. 1 to 3 The outer diameter of each of the stirring sub-heads 11 is sequentially reduced in the axial direction from the front end to the end of the stirring shaft 2, and the coaxial gear-shaped stirring sub-heads 11 of the unequal outer diameter are stacked in the order of decreasing outer diameter. A foaming mixing head 1 in the form of a stepped gear set. In order to prevent splashing of the milk during the stirring process, the front end of the rack 112 of each of the stirring sub-heads 11 is smoothly transitioned by the arc-shaped guide angle 9. In a preferred embodiment of the present invention, as shown in FIGS. 1 through 4, the rack 112 of the agitating subhead 11 includes a two-toothed side surface 1121 and a gingival surface 1122. The two-toothed side surface 1121 is connected between the gingival surface 1122 and the outer peripheral surface of the base column 111. Between the flank surface 1121 and the cylindrical outer peripheral surface of the base column 111, and between the flank surface 1121 and the gingival surface 1122, the transition is smoothly performed by the arcuate surface guide angle 9. In order to further improve the milk foaming efficiency, the maximum outer diameter of the milk foaming mixing head 1 is inversely proportional to the rated rotational speed of the milk foaming mixing head 1. In order to facilitate the fixed installation, the respective base columns 111 of the stirring sub-heads 11 are provided with axially fixed through holes 1111 having the same inner diameter, with the respective fixed through The hole 1111 is sleeved on the stirring shaft 2 . In a preferred embodiment of the present invention, the milk foaming mixing head 1 is fixedly mounted on the stirring shaft 2 by riveting.

In a preferred embodiment of the present invention, as shown in FIG. 5, in order to facilitate the detachable mounting of the milk foaming agitation attachment 3 on the drive main body 4, the milk foam mixing attachment 3 is used as an accessory of the multi-functional stirring device. That is, a milk foaming function is added to the multi-functional stirring device, and the milk foaming stirring attachment 3 further includes a connecting casing 31 detachably connected to the driving main body 4. The end of the agitating shaft 2 is inside the connecting casing 31, and the front end of the agitating shaft 2 is extended from the connecting casing 31.

In a preferred embodiment of the present invention, as shown in FIG. 6, in order to improve the mechanical stability of the stirring shaft 2 under high-speed rotating conditions, the connecting housing 31 is provided with a bearing fixing sleeve 33, and the bearing fixing sleeve 33 is fixedly mounted therein. Bearing 32. The bearing 32 is fitted over the agitating shaft 2.

In a preferred embodiment of the present invention, as shown in FIG. 6, the bearing 32 is a tubular copper-based oil-impregnated bearing capable of ensuring the concentricity of the agitating shaft 2 and the torque output shaft 411 to be described later, further improving Mechanical stability under high speed operating conditions.

In a preferred embodiment of the present invention, as shown in FIG. 6, in order to reduce noise caused by vibration, a tubular bearing damping sleeve made of an elastic material is disposed between the inner wall of the bearing retaining sleeve 33 and the outer wall of the bearing 32. 34. The bearing damper sleeve 34 mainly prevents vibration caused by the radial sway of the agitating shaft 2.

In a preferred embodiment of the present invention, as shown in FIG. 6, in order to prevent the milk from splashing into the milk foam stirring attachment 3 during the stirring process, the milk foam stirring attachment 3 further includes a sealing ring 35 which is sleeved on the stirring shaft 2, thereby The agitating shaft 2 is sealingly extended out of the connection housing 31. On the basis of the above-mentioned milk foaming stirring head 1 and the milk foaming stirring attachment 3, the present invention also provides a milk foaming device for stirring liquid milk into a foamy milk liquid, as shown in Figs. 7 to 8. The display includes a drive main unit 4 and a milk foam mixing attachment 3. The drive main unit 4 includes a drive motor 41 and a power supply module that supplies electric power to the drive motor 41. The milk foam attachment 3 includes a torque output shaft 411 for detachably connecting the drive motor 41, a stirring shaft 2 driven by the torque output shaft 411, and a fixed mounting on the front end of the stirring shaft 2. Milk foam mixing head 1. The milk foaming stirring head 1 includes at least one gear-shaped stirring subhead 11. The agitating subhead 11 includes a base post 111 having a cylindrical outer peripheral surface, and at least a continuous plate-like rack 112 attached to an outer peripheral surface of the base post 111. Each of the stirring subheads 11 is coaxially connected in one body.

The milk foaming stirring head 1 installed at the front end of the milk foaming stirring attachment 3 has all the above-mentioned features, that is, in order to obtain a better milk foaming effect, a preferred embodiment of the present invention, as shown in FIGS. 1 to 3 The outer diameter of each of the stirring sub-heads 11 is sequentially reduced in the axial direction from the front end to the end of the stirring shaft 2, and the coaxial gear-shaped stirring sub-heads 11 of the unequal outer diameter are stacked in the order of decreasing outer diameter. A foaming mixing head 1 in the form of a stepped gear set. To prevent splashing of milk during mixing, The front end of the rack 112 of each of the agitating subheads 11 is smoothly transitioned by the arcuate surface guide angle 9. In a preferred embodiment of the present invention, as shown in FIGS. 1 through 4, the rack 112 of the agitating subhead 11 includes a two-toothed side surface 1121 and a gingival surface 1122. The two-toothed side surface 1121 is connected between the gingival surface 1122 and the outer peripheral surface of the base column 111. Between the flank surface 1121 and the cylindrical outer peripheral surface of the base column 111, and between the flank surface 1121 and the gingival surface 1122, the transition is smoothly performed by the arcuate surface guide angle 9. In order to further improve the milk foaming efficiency, the maximum outer diameter of the milk foaming mixing head 1 is inversely proportional to the rated rotational speed of the milk foaming mixing head 1. In order to facilitate the fixed installation, the respective base columns 111 of the stirring sub-heads 11 are provided with axially fixed through holes 1111 having the same inner diameter, and the stirring sub-heads 11 are sleeved on the stirring shaft 2 by means of the fixed through holes 1111. on. In a preferred embodiment of the present invention, the milk foaming mixing head 1 is fixedly mounted on the stirring shaft 2 by riveting.

The milk foam stirring attachment 3 has all the features mentioned above, and in order to facilitate the detachable mounting of the milk foam stirring attachment 3 on the driving main body 4, the milk foam stirring attachment 3 further includes a detachable The connection housing 31 of the drive main unit 4 is connected. The end of the agitating shaft 2 is inside the connecting casing 31, and the front end of the agitating shaft 2 projects from the connecting casing 31. In order to improve the mechanical stability of the agitating shaft 2 under high-speed rotating conditions, a bearing fixing sleeve 33 is disposed in the connecting housing 31, and a bearing 32 is fixedly mounted in the bearing fixing sleeve 33. The bearing 32 is fitted over the agitating shaft 2. The bearing 32 is a tubular copper-based oil-impregnated bearing. In order to reduce noise due to vibration, a tubular bearing damper sleeve 34 made of an elastic material is disposed between the inner wall of the bearing retaining sleeve 33 and the outer wall of the bearing 32. In order to prevent the milk from splashing into the foaming agitation attachment 3 during the agitation, the milk foam agitation attachment 3 further includes a sealing ring 35 which is fitted over the agitating shaft 2 so that the agitating shaft 2 is sealingly extended out of the connection housing 31.

The driving host 4 according to the preferred embodiment of the present invention may be a driving host of a stirring device that only implements a milk foaming function, or a driving host of a multifunctional stirring device. In addition to the foam mixing attachment 3, the multi-functional mixing device includes a variety of accessories for achieving the stirring function. The milk foam attachment 3 enriches the functions that the multifunctional stirring device can achieve. The drive main unit 4 of the preferred embodiment of the present invention is a drive main unit of a hand-held multifunctional stirring device. In order to enable the drive motor 41 to output torque for a plurality of agitation attachments, the drive main unit 4 further includes a shaft coupling 42 for rotating the agitation shaft 2 with the drive motor 41 torque output shaft 411. The shaft connector 42 is fixedly coupled to the torque output shaft 411 of the drive motor 41. The shaft connector 42 can be detachably connected not only to the milk foam attachment 3 but also to attachments that perform other functions, such as a mixing head for dough and a mixing head for making eggs into egg liquid. , a mixing head for making soy milk.

In the preferred embodiment of the present invention, the shaft connector 42 is machined with a positioning G3 hole that is recessed backward in the axial direction of the torque output shaft 411, and the end of the stirring shaft 2 is disposed perpendicular to the axial direction of the stirring shaft 2 Connecting rod. When the connecting housing 31 is mounted on the driving main unit 4, the connecting rod is engaged in the positioning G3 hole, so that the stirring rotating shaft 2 rotates with the torque output shaft of the driving motor 41. In a preferred embodiment of the present invention, in order to prevent the agitating shaft 2 from causing noise due to axial sway under high-speed rotation, a shaft along the torque output shaft axially rearward G3 is machined at the bottom of the positioning G3 hole. Position the hole. The bottom of the shaft positioning hole is provided with a damping pad made of an elastic material. When the connecting housing 31 is mounted on the driving main body 4, the connecting rod is inserted into the positioning G3 hole, the end of the stirring rotating shaft 2 is inserted into the shaft positioning hole, and the end of the stirring rotating shaft 2 is contacted or pressed The damping pad is on.

In a preferred embodiment of the present invention, in order to maintain the stable operation of the drive motor 41 at a high speed for a long time during the foaming process, the power module is an electric energy conversion module capable of converting AC power into an electric input characteristic that meets the requirements of the drive motor 41. Electrical energy, AC energy is a convenient, relatively stable electrical energy that can continue to supply electricity in real life. When the drive motor 41 is a DC motor, the power conversion module is an AC/DC conversion module. When the motor 41 is driven by the AC motor, the power conversion module is a power conversion module that converts 220V of power or 380V of industrial power into AC power that matches the electrical input characteristics of the motor 41. The use of AC power ensures that the drive motor 41 is supplied with stable power for maintaining high speed operation for a long period of time, and the foaming efficiency of the milk making device is optimized.

Claims

Rights request

A milk foaming mixing head for fixedly connecting to a stirring shaft (2) for stirring a liquid milk into a foamed milk liquid as the stirring shaft (2) rotates;

The at least one gear-shaped stirring sub-head (11) is included; the stirring sub-head (11) includes a base post (111) having a cylindrical outer peripheral surface, and at least a continuous plate shape connected to an outer peripheral surface of the base post (111) A rack (112); each of the stirring sub-heads (11) is coaxially connected.

2. The milk foam mixing head according to claim 1, wherein:

The outer diameter of each stirring sub-head (11) is sequentially reduced along the axial direction from the front end to the end of the stirring shaft (2), so that the coaxial gear-shaped stirring sub-head (11) of the unequal outer diameter is decreased by the outer diameter. The order is stacked into a stepped gear set of a milk foam mixing head (1).

3. The milk foam mixing head according to claim 1, wherein:

The front end of the rack (112) of each stirring sub-head (11) is smoothly transitioned by the arc-shaped guide angle (9).

4. The milk foam mixing head according to claim 1, wherein:

The rack (112) of the stirring sub-head (11) includes two tooth sides (1121) and a gingival surface (1122); the two tooth sides (1121) are connected to the gingival surface (1122) and the base column (111) Between the outer peripheral faces;

Between the flank (1121) and the cylindrical outer surface of the base column (111), and between the flank (1121) and the gingival surface (1122), the smooth transition of the arc surface (9) is used. .

5. The milk foam mixing head according to claim 1, wherein:

The maximum outer diameter of the milk mixing head (1) is inversely proportional to the rated speed of the milk mixing head (1).

6. The milk foam mixing head according to claim 1, wherein:

The base posts (111) of the stirring sub-heads (11) are provided with axially fixed through holes (1111) having the same inner diameter, and the stirring sub-heads (11) are sleeved by the fixed through holes (1111). The agitating shaft (2) is agitated.

7. A milk foam stirring accessory for mounting on a driving main body (4), which is driven by a driving motor (41) in the driving main body (4) to stir liquid milk into a foamy milk liquid; Lie in:

A torque output shaft (411) for detachably connecting the drive motor (41), and a torque output shaft (411) a driving agitating shaft (2), and a foaming agitating head (1) fixedly mounted at a front end of the agitating shaft (2); the milking agitating head (1) comprising at least one gear-shaped stirring head (11); the stirring subhead (11) includes a base post (111) having a cylindrical outer peripheral surface, and at least a straight plate-like rack (112) attached to an outer peripheral surface of the base post (111); Each stirring subhead (11) is coaxially connected.

8. The milk foam mixing accessory according to claim 7, wherein:

9. The milk foam mixing accessory according to claim 7, wherein:

10. The milk foam mixing attachment according to claim 7, wherein:

11. The milk foam mixing attachment according to claim 7, wherein:

12. The milk foam mixing attachment according to claim 7, wherein:

13. The milk foam mixing attachment according to claim 7, wherein:

Further comprising a connection housing (31) detachably connected to the drive main body (4); an end of the stirring shaft (2) is in the connection housing (31), and a front end of the stirring shaft (2) is from the connection housing ( 31) Extend.

14. A milk foam mixing accessory according to claim 13 wherein:

A bearing fixing sleeve (33) is disposed in the connecting housing (31), and the bearing fixing sleeve (33) is fixedly mounted therein Bearing (32); The bearing (32) is fitted on the stirring shaft (2). A milk foam mixing attachment according to claim 14 wherein:

The bearing (32) is a tubular copper-based oil-impregnated bearing. A milk foam mixing attachment according to claim 14 wherein:

A tubular bearing damper sleeve (34) made of an elastic material is disposed between the inner wall of the bearing retaining sleeve (33) and the outer wall of the bearing (32). A milk foam mixing attachment according to claim 13 wherein:

It also includes a sealing ring (35) that fits over the agitating shaft (2) so that the agitating shaft (2) extends sealingly out of the connecting housing (31). - a milk foaming device for stirring liquid milk into a foamed milk; characterized by:

Including the drive main unit (4) and the milk foam mixing attachment (3);

The drive host (4) includes a drive motor (41) and a power module for supplying power to the drive motor (41);

The milk foam attachment (3) includes a torque output shaft (411) for detachably connecting the drive motor (41), a stirring shaft (2) driven by the torque output shaft (411), and a foaming mixing head (1) fixedly mounted on the front end of the stirring shaft (2);

The milk foaming stirring head (1) includes at least one gear-shaped stirring sub-head (11); the stirring sub-head (11) includes a base column (111) having a cylindrical outer peripheral surface, and is coupled to the base column (111) At least the plate-shaped rack (112) on the outer peripheral surface of the outer peripheral surface; the respective stirring sub-heads (11) are coaxially connected integrally. A milk making device according to claim 18, wherein:

The outer diameter of each stirring sub-head (11) is sequentially reduced along the axial direction from the front end to the end of the stirring shaft (2), so that the coaxial gear-shaped stirring sub-head (11) of the unequal outer diameter is decreased by the outer diameter. The order is stacked into a stepped gear set of a milk foam mixing head (1). A milk making device according to claim 18, wherein:

The front end of the rack (112) of each stirring sub-head (11) is smoothly transitioned by the arc-shaped guide angle (9). A milk making device according to claim 18, wherein:

Between the flank (1121) and the cylindrical outer surface of the base column (111), and between the flank (1121) and the gingival surface (1122), the smooth transition of the arc surface (9) is used. . A milk making device according to claim 18, wherein:

The maximum outer diameter of the milk mixing head (1) is inversely proportional to the rated speed of the milk mixing head (1). A milk making device according to claim 18, wherein:

The base posts (111) of the stirring sub-heads (11) are provided with axially fixed through holes (1111) having the same inner diameter, and the stirring sub-heads (11) are sleeved by the fixed through holes (1111). The agitating shaft (2) is agitated. A milk making device according to claim 18, wherein:

Further comprising a connection housing (31) detachably connected to the drive main body (4); an end of the stirring shaft (2) is in the connection housing (31), and a front end of the stirring shaft (2) is from the connection housing ( 31) Extend. A milk making device according to claim 24, wherein:

A bearing fixing sleeve (33) is disposed in the connecting housing (31), and a bearing (32) is fixedly mounted in the bearing fixing sleeve (33); the bearing (32) is fitted on the stirring shaft (2). A milk making device according to claim 25, wherein:

The bearing (32) is a tubular copper-based oil-impregnated bearing. A milk making device according to claim 25, wherein:

A tubular bearing damper sleeve (34) made of an elastic material is disposed between the inner wall of the bearing retaining sleeve (33) and the outer wall of the bearing (32). A milk making device according to claim 24, wherein:

It also includes a sealing ring (35) that fits over the agitating shaft (2) so that the agitating shaft (2) extends sealingly out of the connecting housing (31). A milk making device according to claim 18, wherein: The drive host (4) further includes a shaft connector (42) for rotating the agitating shaft (2) with the torque output shaft (411) of the drive motor (41); the shaft connector (42) is fixedly coupled to the shaft The torque output shaft (411) of the drive motor (41). A milk making device according to claim 29, wherein:

The shaft connector (42) is machined with a positioning G3 hole that is trapped axially backward along the torque output shaft (411), and the end of the stirring shaft (2) is disposed perpendicular to the stirring shaft (2) axis. Connecting rod; when the connecting housing (31) is mounted on the driving host (4), the connecting rod is caught in the positioning pocket, so that the stirring shaft (2) is driven by the driving motor (41) The output shaft rotates. A hand-held agitator assembly storage device according to claim 30, wherein:

At the bottom of the positioning G3 hole, a shaft positioning hole which is axially rearward G3 along the torque output shaft is processed; the bottom of the shaft positioning hole is provided with a vibration damping pad made of an elastic material; when the connecting casing (31) When mounted on the driving host (4), the connecting rod is inserted into the positioning G3 hole, the end of the stirring rotating shaft (2) is inserted into the shaft positioning hole, and the end of the stirring rotating shaft (2) is contacted or pressed On the damping pad. A hand-held agitator assembly storage device according to claim 18, wherein:

The power module is an electrical energy conversion module that converts AC power into electrical energy that meets the electrical input characteristics of the drive motor (41).