CN111457098A - Transmission shaft sealing structure and food manufacturing equipment thereof - Google Patents
Transmission shaft sealing structure and food manufacturing equipment thereof Download PDFInfo
- Publication number
- CN111457098A CN111457098A CN202010254191.XA CN202010254191A CN111457098A CN 111457098 A CN111457098 A CN 111457098A CN 202010254191 A CN202010254191 A CN 202010254191A CN 111457098 A CN111457098 A CN 111457098A
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- transmission shaft
- sealing
- mounting seat
- sealing part
- boss
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- 238000007789 sealing Methods 0.000 title claims abstract description 171
- 230000005540 biological transmission Effects 0.000 title claims abstract description 147
- 235000013305 food Nutrition 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 238000003756 stirring Methods 0.000 claims description 25
- 238000002360 preparation method Methods 0.000 claims description 13
- 235000015243 ice cream Nutrition 0.000 claims description 8
- 235000020965 cold beverage Nutrition 0.000 claims description 4
- 235000012171 hot beverage Nutrition 0.000 claims description 4
- 235000020166 milkshake Nutrition 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000000919 ceramic Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000003292 glue Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000009928 pasteurization Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3452—Pressing means the pressing force resulting from the action of a spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3464—Mounting of the seal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3496—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member use of special materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F2035/35—Use of other general mechanical engineering elements in mixing devices
- B01F2035/351—Sealings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/06—Mixing of food ingredients
- B01F2101/13—Mixing of ice-cream ingredients
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sealing Devices (AREA)
- Accessories For Mixers (AREA)
Abstract
The application discloses a transmission shaft sealing structure and food manufacturing equipment thereof.A transmission shaft mounting pad is arranged at the rear side of a mixing drum, a transmission shaft penetrates through the transmission shaft mounting pad to enable the front end to be located in a mixing cavity, the front end of the transmission shaft is provided with a boss, the boss is connected with a first sealing part, the first sealing part is connected to the outer side surface of the transmission shaft in a sealing mode, liquid is prevented from leaking from the joint of the first sealing part and the transmission shaft, a transmission shaft mounting hole is connected with a second sealing part in a sealing mode, liquid is prevented from leaking from the gap between the second sealing part and the transmission shaft mounting hole, the second sealing part and the first sealing part are mutually attached, and sealing between the transmission shaft and the joint is achieved; and an elastic part is arranged between the transmission shaft mounting pad and the driving device and used for generating restoring force to drive the first sealing part to be tightly attached to the second sealing part at any time, so that the maintenance frequency is reduced.
Description
Technical Field
The application relates to ice cream production equipment, in particular to a transmission shaft sealing structure and food manufacturing equipment thereof.
Background
For some food preparation equipment, it stirs to need the transmission shaft to drive the food of stirring part in to the churn under drive arrangement's drive action to realize congealing or heating, for example ice cream machine, because the ice cream in the churn congeals and is the liquid state before freezing, transmission shaft and churn are the junction of two parts and hardly avoid having the gap moreover, if the ice cream flows out from the gap, cause the damage to the motor very easily, consequently need seal up the gap. At present mainly through the rubber seal spare of cup jointing between transmission shaft and junction, it is sealed to surround to realize the clearance through rubber seal spare, but the transmission shaft during operation can continue to rotate, and the junction is fixed wall, consequently, sliding friction can take place for one side that rubber seal spare and transmission shaft are connected, consequently, adopt rubber seal spare to need often add lubricated ester etc. and improve lubricating effect, and heating process such as pasteurization makes rubber seal spare ageing very easily, lead to rubber seal spare's sealed reducing by a wide margin, consequently, adopt rubber seal spare to need often maintain the change, consume a large amount of maintenance work volume and maintenance cost.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the application provides a transmission shaft sealing structure and food manufacturing equipment thereof, which can improve the sealing effect, prolong the maintenance period and control the maintenance cost.
In a first aspect, an embodiment of the present application provides a transmission shaft seal structure, including churn and transmission shaft, the transmission shaft by set up in the drive arrangement drive of churn rear side rotates, be provided with the stirring chamber in the churn, still include:
a transmission shaft mounting hole is formed in the rear side of the stirring cylinder, the transmission shaft sequentially penetrates through the driving device and the transmission shaft mounting hole, and the front end of the transmission shaft is located in the stirring cavity;
a boss is arranged at the front end of the transmission shaft, which is positioned in the stirring cavity;
the first sealing part is fixedly arranged on the outer side surface of the transmission shaft in a sealing way, and the first sealing part is in contact with the rear side surface of the boss;
the second sealing part is fixedly and hermetically connected with the transmission shaft mounting hole, the transmission shaft penetrates through the second sealing part, and the second sealing part and the first sealing part are mutually attached;
a transmission shaft mounting pad is arranged on the rear side of the driving device, and the front side of the transmission shaft mounting pad is fixedly connected with the rear end of the transmission shaft;
and one end of the elastic component is fixedly connected to the transmission shaft mounting pad, the other end of the elastic component is fixedly connected to the rear side of the driving device, and the elastic component is used for generating restoring force to drive the first sealing part to be tightly attached to the second sealing part.
According to the transmission sealing structure, the transmission shaft mounting pad is arranged on the rear side of the stirring cylinder, the transmission shaft penetrates through the transmission shaft mounting pad, so that the front end of the transmission shaft is located in the stirring cavity, the front end of the transmission shaft is provided with the boss, the rear side surface of the boss is connected with the first sealing portion, the first sealing portion is connected to the outer side surface of the transmission shaft in a sealing mode, liquid is prevented from leaking from the joint of the first sealing portion and the transmission shaft, the transmission shaft mounting hole is connected with the second sealing portion in a sealing mode, liquid is prevented from leaking from gaps of the second sealing portion and the transmission shaft mounting hole, the second sealing portion and the first sealing portion are mutually attached to achieve sealing, sealing rubber rings are replaced by the second sealing portion and the first sealing portion independently, and sealing between the transmission shaft and the joint is achieved from multiple directions; and an elastic component is arranged between the transmission shaft mounting pad and the driving device, when the elastic component is in a compressed state, a restoring force which pushes the transmission shaft mounting pad to the rear side can be generated to drive the transmission shaft to be pulled to the rear side, and further the first sealing part is driven to be tightly attached to the second sealing part through the lug boss, so that the maintenance frequency is greatly reduced, and the maintenance workload and the maintenance cost are effectively reduced.
Optionally, in an embodiment of the present application, the first sealing portion includes a first sealing ring and a first mounting seat, the first mounting seat is connected to the boss, the first sealing ring is fixedly mounted in the first mounting seat, the first mounting seat is connected to the outer side surface of the transmission shaft in a sealing manner, and the first sealing ring is configured to be attached to the second sealing portion.
Optionally, in an embodiment of the present application, the mounting device further includes a rubber pad in an annular shape, and the rubber pad is compressed between the boss and the first mounting seat.
Optionally, in an embodiment of the present application, an annular groove is disposed on a side of the first mounting seat close to the transmission shaft, and a rubber ring sealingly connected with the transmission shaft is disposed in the groove.
Optionally, in an embodiment of the present application, the device further includes a pin rod protruding from a surface of the transmission shaft, and the pin rod is clamped in a clamping groove located at a bottom side of the front end of the first mounting seat.
Optionally, in an embodiment of the present application, the second sealing portion includes a second sealing ring and a second mounting seat, the second mounting seat is disposed in the transmission shaft mounting hole and is in sealing connection with a front aperture of the transmission shaft mounting hole, and the second sealing ring is configured to be attached to the first sealing portion; and a sealing gasket is arranged between the second mounting seat and the front side port of the transmission shaft mounting hole.
Optionally, in an embodiment of the present application, the elastic member is a spring.
Optionally, in an embodiment of the present application, the driving device is a reduction gearbox.
In a second aspect, embodiments of the present application provide a food preparation apparatus comprising a drive shaft sealing structure as described in any one of the above.
According to the transmission sealing structure, the transmission shaft mounting pad is arranged on the rear side of the stirring cylinder, the transmission shaft penetrates through the transmission shaft mounting pad, so that the front end of the transmission shaft is located in the stirring cavity, the front end of the transmission shaft is provided with the boss, the rear side surface of the boss is connected with the first sealing portion, the first sealing portion is connected to the outer side surface of the transmission shaft in a sealing mode, liquid is prevented from leaking from the joint of the first sealing portion and the transmission shaft, the transmission shaft mounting hole is connected with the second sealing portion in a sealing mode, liquid is prevented from leaking from gaps of the second sealing portion and the transmission shaft mounting hole, the second sealing portion and the first sealing portion are mutually attached to achieve sealing, sealing rubber rings are replaced by the second sealing portion and the first sealing portion independently, and sealing between the transmission shaft and the joint is achieved from multiple directions; and an elastic component is arranged between the transmission shaft mounting pad and the driving device, when the elastic component is in a compressed state, a restoring force which pushes the transmission shaft mounting pad to the rear side can be generated to drive the transmission shaft to be pulled to the rear side, and further the first sealing part is driven to be tightly attached to the second sealing part through the lug boss, so that the maintenance frequency is greatly reduced, and the maintenance workload and the maintenance cost are effectively reduced.
Optionally, in an embodiment of the present application, the food preparation apparatus comprises an ice cream machine, a milkshake machine and a hot and cold drink machine.
Drawings
The present application is further described with reference to the following figures and examples;
FIG. 1 is a left side sectional view of a drive seal arrangement according to one embodiment of the present application;
fig. 2 is a schematic cross-sectional view taken along direction a in fig. 1 of the present application.
Detailed Description
Reference will now be made in detail to the present embodiments of the present application, preferred embodiments of which are illustrated in the accompanying drawings, which are for the purpose of visually supplementing the description with figures and detailed description, so as to enable a person skilled in the art to visually and visually understand each and every feature and technical solution of the present application, but not to limit the scope of the present application.
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and larger, smaller, inner, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
The embodiments of the present application will be further explained with reference to the drawings.
Referring to fig. 1, the drive shaft sealing structure of the embodiment of the present application includes a mixing drum 10 and a drive shaft 20, the drive shaft 20 is driven by a driving device 40 disposed at the rear side of the mixing drum 10 to rotate, a mixing cavity 100 is disposed in the mixing drum 10, and the drive shaft sealing structure further includes:
a transmission shaft mounting hole 160 is formed in the rear side of the mixing drum 10, the transmission shaft 20 sequentially penetrates through the driving device 40 and the transmission shaft mounting hole 160, and the front end of the transmission shaft 20 is located in the mixing cavity 100;
a boss 210 is arranged at the front end of the transmission shaft 20 in the stirring cavity 100;
a first sealing part 140 sealingly and fixedly installed on an outer side surface of the transmission shaft 20, the first sealing part 140 contacting a rear side surface of the boss 210;
a second sealing part 150 fixedly and hermetically connected to the transmission shaft mounting hole 160, wherein the transmission shaft 20 penetrates through the second sealing part 150, and the second sealing part 150 and the first sealing part 140 are attached to each other;
a transmission shaft mounting pad 420 is arranged at the rear side of the driving device 40, and the front side of the transmission shaft mounting pad 420 is fixedly connected with the rear end of the transmission shaft 20;
an elastic component 410 having one end fixedly connected to the transmission shaft mounting pad 420 and the other end fixedly connected to the rear side of the driving device 40, wherein the elastic component 410 is used for generating a restoring force to drive the first sealing portion 140 to be closely attached to the second sealing portion 150.
In an embodiment, the mixing drum 10 and the driving device 40 may be directly connected, or as in this embodiment, the mixing drum 10 and the driving device 40 may be preferably installed on the front and rear sides of the connecting plate 30, respectively, so that the installation is more convenient.
In an embodiment, the mixing drum 10 may have any shape, such as a square shape or a cylindrical shape, and the embodiment does not limit the specific shape of the mixing drum 10, and may be adjusted according to actual requirements. It should be noted that the front end of the transmission shaft 20 is preferably provided with a stirring portion 110, and the stirring portion 110 may be any structure capable of achieving stirring, such as a helical blade, a stirring shaft, and the like, and may achieve a stirring function, and the present embodiment is not limited to a specific structure. It will be understood by those skilled in the art that the sealing structure is preferably provided at the rear side of the stirring part 110, as shown in fig. 1, to avoid interference with stirring.
In an embodiment, the transmission shaft mounting hole 160 may have any shape, for example, a circular through hole preferred in this embodiment, and may be used for mounting the transmission shaft 20, which is not described herein again.
In an embodiment, in this embodiment, it is preferable that the boss 210 is disposed at the front end of the transmission shaft 20, and it is further preferable that the boss 210 is disposed at the rear side of the stirring portion 110, and the first sealing portion 140 is supported by the boss 210, so that the transmission shaft 20 can transmit force to the first sealing portion 140 under the tensile force of the elastic component 410, and sealing is achieved, and if only the first sealing portion 140 is hermetically connected to the transmission shaft 20, sliding friction may occur at the connection portion between the transmission shaft 20 and the first sealing portion 140 under the tensile force, and sealing performance is affected. It will be appreciated that the boss 210 may be any shape, and that the present embodiment is preferably annular to provide a more uniform force point for the first seal portion 140. It can be understood by those skilled in the art that the boss 210 may be fixed in the transmission shaft 20 through a fixed connection member, or may be integrally formed with the transmission shaft 20, and may be adjusted according to actual production requirements.
In an embodiment, the contact surfaces of the first sealing portion 140 and the second sealing portion 150 are preferably the same in shape and size, so that the contact surfaces can be completely attached, the gap is reduced, and the sealing effect is improved.
In an embodiment, since the first sealing portion 140 is connected to the boss 210, and the boss 210 is fixedly connected to the transmission shaft 20, the transmission shaft 20 rotates while driving the first sealing portion 140 to rotate, and the first sealing portion 140 is attached to the second sealing portion 150, in this embodiment, the maximum static friction between the first sealing portion 140 and the second sealing portion is preferably smaller than the rotation force of the transmission shaft 20, so as to avoid the problem that the transmission shaft 20 cannot rotate due to the excessive friction force.
In one embodiment, as shown in fig. 1, the shaft mounting pad 420 and the shaft 20 may be fixedly connected by any connecting means, and preferably, a bolt 430 is used in this embodiment, so that the elastic member 410 can be easily maintained and replaced after being disassembled. It should be noted that the propeller shaft mounting pad 420 may be any type of structure, and the present embodiment preferably uses a propeller shaft flat pad, which can better conform to the shape and structure of the propeller shaft 20, and reduce the mounting gap. It should be noted that the propeller shaft mounting pad 420 does not need to be connected to an external device, and only needs to be fixedly connected to the propeller shaft 20.
In an embodiment, the elastic member 410 may be any type of structure, such as a spring, a spring plate, etc., and a person skilled in the art may have an opportunity to adjust the specific length and the elastic coefficient of the elastic member 410 according to the maximum static friction between the first sealing portion 140 and the second sealing portion 150, so as to ensure that the transmission shaft 20 rotates normally. It should be noted that, because the elastic component 410 is connected between the transmission shaft mounting pad 420 and the driving device 40, because the embodiment requires the elastic component 410 to provide a force toward the rear side, that is, the elastic component 410 needs to be in a compressed state when being disposed between the transmission shaft mounting pad 420 and the driving device 40, so that the elastic component 410 is compressed and deformed, and thereby generates a restoring force, because the driving device 40 is a fixedly mounted device, the generated restoring force acts on the transmission shaft mounting pad 420 toward the rear side, thereby driving the transmission shaft 20, and further driving the first sealing portion 140 to be closely attached to the second sealing portion 150, and the distance between the transmission shaft mounting pad 420 and the driving device 40 can also be adjusted according to the magnitude of the required restoring force, for example, the tightness of the adjusting bolt 430 is used.
Further, the first sealing portion 140 includes a first sealing ring 144 and a first mounting seat 142, the first mounting seat 142 is connected to the boss 210, the first sealing ring 144 is fixedly mounted in the first mounting seat 142, the first mounting seat 142 is connected to the outer side surface of the transmission shaft 20 in a sealing manner, and the first sealing ring 144 is configured to be attached to the second sealing portion 150.
In one embodiment, the first sealing ring 144 is preferably a ceramic ring, which may be made of other materials, and is made of ceramic to resist high temperature, so as to provide a material basis for high temperature sterilization of the interior of the food preparation equipment, and if made of rubber or plastic, the first sealing ring is easy to age under high temperature conditions. It will be appreciated that the first seal ring 144 and the first mounting seat 142 are preferably ring-mounted structures that are more conformable to the drive shaft 20, and surrounding the drive shaft 20 with the ring-mounted structures can increase the contact area between the first seal ring 144 and the second seal portion 150 as much as possible. The connection between the first mounting seat 142 and the first sealing ring 144 is a sealing connection, for example, fixed by glue, so that the sealing performance can be ensured. It can be appreciated that since the first sealing ring 144 is preferably a ceramic ring, providing a groove in the first mounting seat 142 to mount the first sealing ring 144 can improve the mounting stability. It is understood that the first mounting seat 142 may be made of any material, such as stainless steel, and the embodiment is not limited thereto.
Further, the rubber pad 120 is pressed between the boss 210 and the first mounting seat 142.
Based on the above embodiments, it should be noted that, because the first sealing ring 144 is a ceramic ring and is fixedly connected by glue, the situation that the glue thickness is not uniform easily occurs, based on this, it is preferable to set the rubber pad 120 in a ring-shaped manner between the boss 210 and the first mounting seat 142 in this embodiment, and make the rubber pad 120 in a compression state, because the first sealing ring 144 is tightly attached to the second sealing portion 150, if the connection thickness between the first sealing ring 144 and the first mounting seat 142 is not uniform, the elastic deformation of the corresponding region of the rubber pad 120 can be compensated by the elastic deformation, that is, the rubber pad 120 corresponding to the thicker portion of the connection is more in extrusion deformation, so as to ensure the tight attachment between the first sealing ring 144 and the second sealing portion 150, and avoid the occurrence of the inclination.
Further, an annular groove is formed on one side of the first mounting seat 142 close to the transmission shaft 20, and a rubber ring 143 is arranged in the groove and is in sealing connection with the transmission shaft 20.
In an embodiment, since the first mounting seat 142 needs to be provided with the first sealing ring 144 and is subjected to a large force, the first mounting seat 142 of the present embodiment is preferably made of a hard material such as stainless steel, in which case the connection between the first mounting seat 142 and the transmission shaft 20 is not necessarily capable of ensuring sealing, and therefore the present embodiment preferably provides an annular groove on one side of the first mounting seat 142 close to the transmission shaft 20 and provides the rubber ring 143 in the annular groove, so that the first mounting seat 142 and the transmission shaft 20 are connected with the rubber ring 143 which is pressed tightly, thereby achieving axial sealing.
Referring to fig. 2, further, a pin 130 protruding from the surface of the transmission shaft 20 is further included, and the pin 130 is engaged in a slot located at the bottom side of the front end of the first mounting seat 142.
In an embodiment, although the first mounting seat 142 is connected with the boss 210, under the action of the elastic component 410, the acting force between the first mounting seat 142 and the boss 210 is large, and friction is easy to occur, in order to ensure that the first mounting seat 142 and the transmission shaft 20 rotate together, the embodiment preferably provides the pin 130 traversing the transmission shaft 20, and further preferably the pin 130 protrudes from the upper and lower side surfaces of the transmission shaft 20 and is clamped with the first mounting seat 142 through the clamping groove, so that the first mounting seat 142 is driven by the transmission shaft 20, and the first mounting seat 142 can be ensured to be kept relatively still with the transmission shaft 20, and unnecessary friction is avoided.
Further, the second sealing portion 150 includes a second sealing ring 151 and a second mounting seat 152, the second mounting seat 152 is disposed in the transmission shaft mounting hole 160 and is connected with the front aperture of the transmission shaft mounting hole 160 in a sealing manner, and the second sealing ring 151 is configured to be attached to the first sealing portion 140; a gasket 153 is provided between the second mounting seat 152 and the front-side port of the propeller shaft mounting hole 160.
In an embodiment, since the first seal ring 144 is preferably a ceramic ring in the above embodiment, the second seal ring 151 is preferably a ceramic ring with the same material and the shape and size are the same, and the first seal ring 144 and the second seal ring 151 are attached to each other, thereby effectively improving the sealing performance. It should be noted that the second mounting seat 152 may have any shape, and in this embodiment, it is preferable that the second mounting seat 152 is a T-shaped mounting seat with a hole in the middle, one end of the rear side of the T-shaped mounting seat is inserted into the transmission shaft mounting hole 160 and is tightly connected with the transmission shaft mounting hole 160 through a screw-thread fit, and the front side of the T-shaped mounting seat is hermetically connected to the front side opening of the transmission shaft mounting hole 160, so as to ensure better sealing performance. It is understood that the second mounting block 152 may be any hard material, such as stainless steel, and the embodiment is not limited thereto.
Based on the above embodiment, since the second mounting seat 152 is made of a hard material, there may be a gap in the connection between the second mounting seat 152 and the front side opening of the transmission shaft mounting hole 160, and in this embodiment, it is preferable to provide the sealing gasket 153 at this position, and a person skilled in the art has an incentive to select a mounting groove of the sealing gasket 153 to be provided in the second mounting seat 152 or the front side opening of the transmission shaft mounting hole 160 according to actual needs, so that the sealing connection of the sealing gasket 153 can be achieved.
Further, the elastic member 410 is a spring.
In an embodiment, the elastic member 410 may be any type of structure, and the spring is preferred in this embodiment, and since the transmission shaft 20 is a cylindrical structure, the spring can surround the outer side of the transmission shaft 20, so that the installation is more convenient.
Further, the driving device 40 is a reduction gear box.
In an embodiment, the driving device 40 is a reduction gearbox, which is preferable in this embodiment, and can be better applied to food preparation equipment, and a driving structure such as a motor can be adopted, and the driving structure can drive the transmission shaft 20 to rotate, which is not described herein again.
In another embodiment of the present application, there is also provided a food preparation device comprising a drive shaft seal arrangement as described above.
In an embodiment, the food preparation equipment comprises the transmission shaft sealing structure, and the first sealing part 140 and the second sealing part 150 can be tightly attached through the elastic component 410, so that frequent component replacement is not required, maintenance times are effectively saved, and in some embodiments, it is preferable that the first sealing part 140 and the second sealing part 150 are attached through the first sealing ring 144 and the second sealing ring 151, and the first sealing ring 144 and the second sealing ring 151 are ceramic rings, which can resist high temperature, and provide a structural basis for realizing non-dismantling sterilization of the food preparation equipment through high temperature.
In another embodiment of the present application, the food preparation apparatus includes, but is not limited to: an ice cream machine, a milkshake machine and a cold and hot drink machine.
In an embodiment, the food preparation device includes, but is not limited to, an ice cream machine, a milkshake machine, and a hot and cold drink machine, and may be other devices that require to stir the food in the mixing drum, and the food preparation device can rotate and stir the food according to the transmission sealing structure, which is not limited herein.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application.
Claims (10)
1. The utility model provides a transmission shaft seal structure, includes churn and transmission shaft, the transmission shaft by set up in the drive arrangement drive of churn rear side rotates, be provided with stirring chamber, its characterized in that in the churn:
a transmission shaft mounting hole is formed in the rear side of the stirring cylinder, the transmission shaft sequentially penetrates through the driving device and the transmission shaft mounting hole, and the front end of the transmission shaft is located in the stirring cavity;
a boss is arranged at the front end of the transmission shaft, which is positioned in the stirring cavity;
the first sealing part is fixedly arranged on the outer side surface of the transmission shaft in a sealing way, and the first sealing part is in contact with the rear side surface of the boss;
the second sealing part is fixedly and hermetically connected with the transmission shaft mounting hole, the transmission shaft penetrates through the second sealing part, and the second sealing part and the first sealing part are mutually attached;
a transmission shaft mounting pad is arranged on the rear side of the driving device, and the front side of the transmission shaft mounting pad is fixedly connected with the rear end of the transmission shaft;
and one end of the elastic component is fixedly connected to the transmission shaft mounting pad, the other end of the elastic component is fixedly connected to the rear side of the driving device, and the elastic component is used for generating restoring force to drive the first sealing part to be tightly attached to the second sealing part.
2. A drive shaft seal structure according to claim 1, wherein: the first sealing portion comprises a first sealing ring and a first mounting seat, the first mounting seat is connected with the boss, the first sealing ring is fixedly mounted in the first mounting seat, the first mounting seat is connected to the outer side surface of the transmission shaft in a sealing mode, and the first sealing ring is used for being attached to the second sealing portion.
3. A drive shaft seal structure according to claim 2, wherein: the rubber gasket is pressed between the boss and the first mounting seat.
4. A drive shaft seal structure according to claim 3, wherein: an annular groove is formed in one side, close to the transmission shaft, of the first mounting seat, and a rubber ring in sealing connection with the transmission shaft is arranged in the groove.
5. A drive shaft seal structure according to claim 2, wherein: the pin rod is protruded from the surface of the transmission shaft and clamped in a clamping groove in the bottom side of the front end of the first mounting seat.
6. A drive shaft seal structure according to claim 1, wherein: the second sealing part comprises a second sealing ring and a second mounting seat, the second mounting seat is arranged in the transmission shaft mounting hole and is in sealing connection with a front side hole of the transmission shaft mounting hole, and the second sealing ring is used for being attached to the first sealing part; and a sealing gasket is arranged between the second mounting seat and the front side port of the transmission shaft mounting hole.
7. A drive shaft seal structure according to claim 1, wherein: the elastic component is a spring.
8. A drive shaft seal structure according to claim 1, wherein: the driving device is a reduction gearbox.
9. A food preparation device, characterized in that: comprising a propeller shaft sealing structure according to any one of claims 1-8.
10. A food preparation apparatus as claimed in claim 9, comprising: an ice cream machine, a milk shake machine and a cold and hot drink machine.
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| CN202010254191.XA CN111457098B (en) | 2020-04-02 | 2020-04-02 | Transmission shaft sealing structure and food manufacturing equipment thereof |
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| CN202010254191.XA CN111457098B (en) | 2020-04-02 | 2020-04-02 | Transmission shaft sealing structure and food manufacturing equipment thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250995A (en) * | 2021-05-31 | 2021-08-13 | 哈利法克斯风机(深圳)有限公司 | Shaft seal device and food processing equipment |
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| CN113250995A (en) * | 2021-05-31 | 2021-08-13 | 哈利法克斯风机(深圳)有限公司 | Shaft seal device and food processing equipment |
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|---|---|
| CN111457098B (en) | 2024-06-04 |
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