CN110915842A

CN110915842A - Dough conveying structure of steamed stuffed bun machine

Info

Publication number: CN110915842A
Application number: CN201911301576.0A
Authority: CN
Inventors: 罗志伟; 陆正午
Original assignee: Xiamen University of Technology
Current assignee: Xiamen University of Technology
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-03-27

Abstract

The invention provides a dough transmission structure of a steamed stuffed bun machine, which relates to the technical field of food machinery and comprises the following components: the dough cutting machine comprises a rack, a dough containing tank, a conveying mechanism and a cutting mechanism; the interior of the dough holding tank is funnel-shaped, and the dough holding tank is vertically arranged on the rack relatively and is provided with a funnel opening and a necking channel; the conveying mechanism comprises a first power assembly and a conveying group which is uniformly and synchronously driven by the first power assembly; the conveying groups comprise a first conveying group and a second conveying group which are positioned on different conveying planes, and at least parts of conveying surfaces of the first conveying group and the second conveying group are arranged on the end surfaces of the opening of the hopper and the necking channel; the shutdown mechanism is located in the exit one side that is close to the throat passageway for carry the group along funnel opening to throat passageway transmission dough in-process, be located different transport plane's transmission face synchronous transmission on the terminal surface of funnel opening and throat passageway, with the dough via the even, regular extrusion of funnel opening in to the throat passageway, and evenly carry in the throat passageway.

Description

Dough conveying structure of steamed stuffed bun machine

Technical Field

The invention relates to the technical field of food machinery, in particular to a dough transmission structure of a steamed stuffed bun machine.

Background

The existing steamed stuffed bun machine is to mix and prepare certain ingredients such as meat, vegetables, seasonings and the like to form filling, extrude a flour cylinder out of the outer layer of the filling, convey the filling into the flour cylinder, and then form steamed stuffed buns by segmented cutting and forming for steaming in the next procedure. The raw material supply is that the stirred dough enters a transverse double-screw conveying mechanism through a hopper, and is conveyed to a wrapper forming area, a stuffing supplying and mixing part and the like, and then the steamed stuffed bun is manufactured.

Most of the dough is kneaded and kneaded for many times by manpower so as to be beneficial to forming the dough into flat dough sheets, and the dough is processed into the dough sheets with better elasticity and toughness. At present, the dough of kneading completion gets into to the originated transmission structure of steamed stuffed bun machine, and current two-way screw conveyor often causes irregular extrusion, the transport to the dough in the transmission course, and causes the damage to the gluten of dough inside easily, and the dough skin gas pocket that leads to making is inhomogeneous, and elasticity toughness and water-holding capacity are relatively poor for the steamed stuffed bun taste of making is not good enough.

Disclosure of Invention

The invention discloses a dough transmission structure of a steamed stuffed bun machine, aiming at solving the problem that the toughness and elasticity of dough are easily damaged due to irregular extrusion and transmission of the dough in the transmission process of the transmission structure of the traditional steamed stuffed bun machine.

The invention adopts the following scheme:

a dough conveying structure of a steamed stuffed bun maker, comprising: the dough cutting machine comprises a rack, a dough containing tank, a conveying mechanism and a cutting mechanism; the dough containing tank is internally funnel-shaped, is relatively vertically arranged on the rack, and is provided with a funnel opening positioned above and a necking channel with an inlet connected to the bottom of the funnel opening so as to be communicated with each other; the conveying mechanism comprises a first power assembly and a conveying group which is uniformly and synchronously driven by the first power assembly; the conveying groups comprise a first conveying group and a second conveying group which are positioned on different conveying planes, and conveying surfaces of the first conveying group and the second conveying group are at least partially arranged on the end surfaces of the hopper opening and the necking channel so as to convey and extrude dough to the outlet of the necking channel along the hopper opening; the cutting mechanism is positioned at one side of the outlet close to the necking channel and comprises a second power assembly and a cutter arranged on the second power assembly, and the second power assembly drives the cutter to transversely cut off the dough to be conveyed to the outlet of the necking channel.

As a further improvement, the opening of the funnel is in an inverted quadrangular frustum shape, the necking channel is in a long-strip rectangle shape, and the section of the bottom of the opening of the funnel is the same as that of the necking channel.

As a further improvement, the dough holding tank comprises a tank body including an upper portion forming the funnel opening and a lower portion forming the throat channel.

As a further improvement, the first conveying group and the second conveying group both comprise a driving pulley, a driven pulley and a conveying belt; the lower part of the tank body is provided with a first notch for transversely accommodating the driving belt wheel, and the upper part of the tank body is provided with a second notch for correspondingly and transversely accommodating the driven belt wheel; the first notch and the second notch are located in the same vertical direction and communicated with the interior of the tank body, the conveying belt is sleeved between the driving belt wheel and the driven belt wheel, and is wound in the tank body through the first notch and the second notch, and is attached to and arranged on the end faces of the opening and the necking channel of the funnel.

As a further improvement, the first power assembly comprises a motor, a worm connected to an output shaft of the motor, two worm gears oppositely arranged on different sides of the worm, and gear sets in transmission connection with the two worm gears respectively, and a last-stage gear of each gear set is in transmission connection with a rotating shaft where driving pulleys of the first conveying set and the second conveying set are located correspondingly.

As a further improvement, the first conveying group and the second conveying group are respectively provided with two conveying groups which are respectively arranged oppositely; the two first conveying groups and the conveying belts of the two conveying groups are matched oppositely so as to be synchronously configured around the end surface of the necking channel; the notches of the two first conveying groups are arranged oppositely, the notches of the two second conveying groups are also arranged oppositely, and the notches of the different conveying groups are arranged in a staggered manner.

As a further improvement, the lower part of the tank body is correspondingly provided with a cutter cut perpendicular to the necking channel, and the depth of the cutter cut can at least transversely cut off the dough in the necking channel; the cutter cut is located between the first notch and the outlet of the throat channel.

As a further improvement, an outer shell is arranged outside the tank body, and the outer shell is approximately in a square funnel shape and used for coating the outer side of the tank body.

As a further improvement, the second power assembly is an air cylinder which is transversely arranged on the rack so as to telescopically drive the cutter to transversely cut the dough in the necking channel.

As a further improvement, the outlet of the necking channel is provided with a guide surface which is arranged in the necking channel in an inclined way relatively and is arranged in the direction of the next process in an inclined way so as to convey the cut dough to the next process in an inclined way.

By adopting the technical scheme, the invention can obtain the following technical effects:

the utility model provides a dough transmission structure is the dough holding jar that leaks hopper-shaped through the vertical inside of arranging in the frame, and it has the funnel opening that is used for placing the dough and the throat passageway that is linked together with the funnel opening. The conveying surfaces of the first conveying group and the second conveying group which are positioned on different conveying planes of the conveying group are at least partially arranged on the end surfaces of the funnel opening and the necking channel, the two conveying groups are uniformly and synchronously driven by the first power assembly, so that the conveying groups can synchronously convey the dough on the end surfaces of the funnel opening and the necking channel in the process of conveying the dough along the funnel opening to the necking channel, the dough is uniformly and regularly extruded into the necking channel through the funnel opening and is uniformly conveyed in the necking channel until a cutter of the cutting mechanism transversely cuts the dough positioned at the necking channel, dough blocks with the shapes consistent with the shapes of the necking channel are formed, and the subsequent dough skin forming process is facilitated. And the dough is further evenly extruded and stably conveyed in the conveying process, so that the toughness and the elasticity of the dough are increased.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram of a dough conveying structure of a stuffed bun maker according to an embodiment of the invention from a first perspective;

FIG. 2 is a schematic diagram of the dough conveying structure of the steamed stuffed bun maker of an embodiment of the present invention from a second perspective;

FIG. 3 is a schematic diagram of the dough conveying structure of the steamed stuffed bun maker of an embodiment of the present invention from a third perspective;

FIG. 4 is an enlarged view of a portion of the area I of FIG. 3;

FIG. 5 is a cross-sectional view of the dough conveying structure of the steamed stuffed bun maker in an embodiment of the invention, taken from a fourth perspective;

FIG. 6 is a cross-sectional view of the dough conveying structure of the steamed stuffed bun maker in an embodiment of the invention, taken from a fifth perspective;

FIG. 7 is a cross-sectional view of the structure of FIG. 6 from another perspective;

FIG. 8 is a schematic structural view of the can body of FIG. 6;

fig. 9 is a schematic view of the structure of fig. 8 from another perspective.

Icon: 1-a frame; 11-a leg; 12-a work bench; 13-a support base; 14-a scaffold; 2-a dough holding tank; 2A-opening of the funnel; 2B-a necking channel; 21-tank body; 211-upper part; 2111-second gap; 212-lower part; 2121-first notch; 2122-cutting tool; 23-a guide surface; 3-a conveying mechanism; 31-a first power assembly; 311, a motor; 312-a worm; 313-a worm gear; 314-gear set; 32-a delivery group; 32A-first delivery group; 32B-a second delivery group; 321-a driving pulley; 322-a driven pulley; 323-a conveyor belt; 324-a rotating shaft; 325-gear; 4-a cutting mechanism; 41-a second power assembly; 42-a cutter.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1 to 7, the present embodiment provides a dough conveying structure of a steamed stuffed bun maker, including: a frame 1, a dough containing tank 2, a conveying mechanism 3 and a cutting mechanism 4.

In the present embodiment, the frame 1 includes a plurality of legs 11 and a table 12 disposed on the legs 11. The supporting legs 11 are at least four, and the bottom of each supporting leg is provided with a supporting seat 13 which can be adjusted in a lifting mode, so that the supporting legs can adapt to different ground environments. A plurality of supports 14 are arranged between the supporting legs 11 in a transversely-longitudinally staggered mode at intervals and used for stabilizing the supporting legs 11 and facilitating installation and placement of mechanisms.

Specifically, the dough container 2 has a funnel shape and is vertically disposed on the frame 1. An installation cavity (not shown) is formed in the workbench 12, and the dough containing tank 2 is vertically arranged in the installation cavity in a penetrating manner and fixed between the workbench 12 and the supporting legs 11. The dough container 2 has a funnel opening 2A located above and a throat passage 2B connected at an inlet to the bottom of the funnel opening 2A to communicate with each other. Wherein, the funnel opening 2A is connected with the necking channel 2B, and can be formed by integral molding or welding assembly. The funnel opening 2A is at least partially disposed on the end surface of the working table 12, so that the dough can be conveniently put into the funnel opening 2A of the dough container 2. The dough enters the dough containing tank 2 through the funnel opening 2A, then enters the inlet of the necking channel 2B through extrusion, is uniformly extruded by the necking channel 2B until the dough is conveyed out of the dough containing tank 2 from the outlet of the necking channel 2B, and then enters the next procedure.

Wherein the vertical transmission of the dough in the dough holding tank 2 is realized by the gravity of the dough and the arranged conveying mechanism 3. The conveying mechanism 3 comprises a first power assembly 31 and a conveying group 32 which is uniformly and synchronously driven by the first power assembly 31. The conveying group 32 includes a first conveying group 32A and a second conveying group 32B located at different conveying planes, and conveying surfaces of the first conveying group 32A and the second conveying group 32B are at least partially disposed on end surfaces of the hopper opening 2A and the throat passage 2B, so as to convey and extrude the dough along the hopper opening 2A to the throat passage 2B to an outlet of the throat passage 2B. The conveying surfaces of the first conveying group 32A and the second conveying group 32B are at least partially arranged on the end surfaces of the funnel opening 2A and the necking channel 2B, the two conveying groups are driven by the first power assembly 31 in a unified and synchronous mode, so that the conveying groups transmit dough along the funnel opening 2A to the necking channel 2B in the process, the conveying surfaces on different conveying planes transmit synchronously on the end surfaces of the funnel opening 2A and the necking channel 2B, the dough is uniformly extruded into the necking channel 2B regularly through the funnel opening 2A, the dough is uniformly conveyed in the necking channel 2B, the damage to the dough in the dough conveying process is avoided, and meanwhile, the dough is further kneaded through the necking channel 2B and is molded.

Further, the shut-off mechanism 4 is located on the side near the outlet of the throat passage 2B. The cutting mechanism 4 includes a second power assembly 41 and a cutter 42 disposed on the second power assembly 41, and the second power assembly 41 drives the cutter 42 to transversely cut the dough to be conveyed to the outlet of the throat passage 2B. The cutter 42 of the cutting mechanism 4 transversely cuts the dough at the position of the necking passage 2B to form a dough block with the shape conforming to that of the necking passage 2B, which is beneficial to the subsequent dough skin forming process. And in the conveying process, the dough is further uniformly extruded and stably conveyed, so that the toughness and elasticity of the dough are increased.

Referring to fig. 2, 6, 8 and 9, the funnel opening 2A is in the shape of an inverted quadrangular frustum, the throat channel 2B is in the shape of a long rectangle, and the cross section of the bottom of the funnel opening 2A is the same as that of the throat channel 2B, so that the funnel opening 2A is seamlessly joined with the inlet of the throat channel 2B, thereby ensuring the stability of dough transportation.

In the present embodiment, the dough container 2 includes a body 21. The tank 21 comprises an upper part 211 forming the funnel opening 2A and a lower part 212 forming the throat channel 2B. The first conveying set 32A and the second conveying set 32B each include a driving pulley 321, a driven pulley 322, and a conveyor belt 323. Under the driving of the first power assembly 31, the two groups of conveyor belts 323 are linked synchronously. The lower portion 212 of the can body 21 defines a first notch 2121 for laterally receiving the driving pulley 321, and the upper portion 211 of the can body 21 defines a second notch 2111 for laterally receiving the driven pulley 322. The first notch 2121 and the second notch 2111 of the same conveying group are located in the same vertical direction and are communicated with the inside of the tank 21. And the first notch 2121 and the second notch 2111 corresponding to different conveying groups are arranged on different planes of the tank body 21 and are mutually avoided. In the present case, the hopper opening 2A is in the shape of an inverted quadrangular frustum, the throat channel 2B is in the shape of a long rectangle, two notches of the first conveying group 32A are respectively arranged at the upper part 211 and the lower part 212 of the same vertical plane, and two notches of the second conveying group 32B are respectively arranged at the upper part 211 and the lower part 212 of the same vertical plane. Moreover, the notches of the different conveying groups are located on different planes, and preferably, the planes of the notches corresponding to the first conveying group 32A and the second conveying group 32B are perpendicular to each other.

Referring to fig. 3 to 7, each conveyor 323 is sleeved between the corresponding driving pulley 321 and the corresponding driven pulley 322, and is wound inside the tank 21 through the first notch 2121 and the second notch 2111, and is attached to the end surfaces of the partial funnel opening 2A and the throat channel 2B, so that the dough contacts with the conveyor 323 of two conveying sets located on different conveying planes to be relatively and synchronously conveyed when being placed in the dough accommodating tank 2. The conveyor 323 is wound between the driving pulley 321 and the driven pulley 322, and is bent and wound at the joint of the end surface of the funnel opening 2A and the end surface of the throat passage 2B inside the can body 21, and is attached to the end surfaces to convey dough in a relative rotation manner.

Specifically, the first power assembly 31 includes a motor 311, a worm 312 connected to an output shaft of the motor 311, two worm wheels 313 oppositely disposed on different sides of the worm 312, and a gear set 314 respectively in transmission connection with the two worm wheels. The last stage gear of each gear set 314 is correspondingly connected with the rotating shaft 324 of the driving pulley 321 of the first conveying set 32A and the second conveying set 32B in a transmission manner. In this embodiment, the driving pulley 321 and the driven pulley 322 are rotatably disposed on the corresponding gaps through the rotating shaft 324, and the gaps are relatively filled under the cooperation of the conveying belt 323, the rotating shaft 324 and the pulleys after the conveying belt 323 is sleeved, and are connected with the end surfaces of the conveying belt 323, the rotating shaft 324 and the pulleys as much as possible, so as to avoid the interference of the gaps on the dough transportation process. The two conveying groups are located on different conveying planes, and simultaneously, the two conveying groups are driven by the same motor 311 to synchronously transmit, and the two conveying groups need to be arranged in a meshed linkage manner in space through the gear set 314, so that the same worm wheel 313 and the worm 312 are ensured to be transmitted to the rotating shafts 324 of the two driving pulleys 321 located on different planes, and the rotating output of the motor 311 is transmitted to each conveying group.

It should be noted that, in the present application, the driving pulleys 321 of two different conveying sets are rotatably received in the respective notches via the respective rotating shafts 324, and the two rotating shafts 324 are disposed vertically. The output shaft of the motor 311 is transmitted to the worm wheel 313 and the worm 312, and the power is transmitted to the respective gear set 314 through the transmission shafts of the two worm wheels 313 arranged in different directions, and the gear set 314 may be transmitted to the last-stage gear through the engagement of the bevel gears, and then transmitted through the engagement of the last-stage gear and the gear 325 sleeved on the end of the rotating shaft 324, so as to drive the driving pulley 321 to rotate to drive the transmission belt 323 to transmit. In other embodiments, the linkage between the last-stage gear and the rotating shaft 324 may be a belt drive or a chain drive, which is not limited herein.

Preferably, the first conveying group 32A and the second conveying group 32B are provided in two and are respectively disposed oppositely. The two first conveying groups 32A and the two conveying groups are matched with each other, so as to be synchronously arranged around the end surface of the necking channel 2B, and the dough at the necking channel 2B is ensured to be uniformly conveyed under the relative extrusion and closed limit of the four conveying belts 323. The notches of the two first conveying groups 32A are arranged oppositely, the notches of the two second conveying groups 32B are also arranged oppositely, and the notches of the different conveying groups are arranged in a staggered manner. Wherein, the notches of two same conveying groups positioned at the upper part 211 or the lower part 212 of the tank body 21 are arranged oppositely, and the notches between different conveying groups are arranged up and down relatively so as to avoid each other, thereby being convenient for assembling the rotating shaft 324 on the belt wheel. The rotating shafts 324 of the two driving pulleys 321 or the driven pulleys 322 of the same conveying group are located on the same plane, which is beneficial to the meshing configuration of the last-stage gear of the gear group 314 and the gears on the two rotating shafts 324 at the same height, and ensures that the same gear group 314 drives the synchronous conveying of the two same conveying groups.

Referring to fig. 6 to 9, the lower portion 212 of the can body 21 is correspondingly provided with a cutter notch 2122 perpendicular to the throat channel 2B, and the depth of the cutter notch 2122 at least transversely cuts the dough in the throat channel 2B. The cutter notch 2122 is located between the first notch 2121 and the outlet of the necking channel 2B, so that the avoidance arrangement between the cutter 42 and the conveying group is ensured, and the dough is transversely cut into blocks after being sufficiently extruded and conveyed in the necking channel 2B. In this embodiment, the second power assembly 41 is a cylinder, and the cylinder is transversely disposed on the frame 1 to telescopically drive the cutter 42 to transversely cut the dough in the throat passage 2B. The outlet of the necking passage 2B is provided with a guide surface 23, and the guide surface 23 is arranged in the necking passage 2B in a relatively inclined way and is arranged in an inclined way along the direction of the next process so as to obliquely convey the cut blocky dough to the next process.

Preferably, an outer casing (not shown) is disposed outside the tank 21, and the outer casing is substantially in a shape of a square funnel and is used for covering the outer side of the tank 21, so that relative shielding in the direction of the side surface of the tank 21 is ensured, and impurities such as dust are prevented from entering the tank 21 through the gap.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.

Claims

1. A dough conveying structure of a steamed stuffed bun machine is characterized by comprising:

a frame;

the dough containing tank is internally funnel-shaped, is relatively vertically arranged on the rack, and is provided with a funnel opening positioned above and a necking passage with an inlet connected to the bottom of the funnel opening so as to be communicated with each other;

the conveying mechanism comprises a first power assembly and a conveying group uniformly and synchronously driven by the first power assembly; the conveying groups comprise a first conveying group and a second conveying group which are positioned on different conveying planes, and conveying surfaces of the first conveying group and the second conveying group are at least partially arranged on the end surfaces of the hopper opening and the necking channel so as to convey and extrude dough to the outlet of the necking channel along the hopper opening;

and the cutting mechanism is positioned at one side of the outlet close to the necking channel and comprises a second power component and a cutter arranged on the second power component, and the second power component drives the cutter to transversely cut off the dough to be conveyed to the outlet of the necking channel.

2. The dough conveying structure of a steamed stuffed bun machine as claimed in claim 1, wherein the funnel opening is in the shape of an inverted quadrangular frustum, the necking channel is in the shape of a long rectangle, and the cross section of the bottom of the funnel opening is the same as that of the necking channel.

3. The dough conveying structure of a stuffed bun machine as claimed in claim 1, wherein the dough holding tank comprises a tank body including an upper portion forming the funnel opening and a lower portion forming the throat passage.

4. The dough conveying structure of a steamed stuffed bun machine as claimed in claim 3, wherein the first conveying group and the second conveying group each comprise a driving pulley, a driven pulley and a conveying belt; the lower part of the tank body is provided with a first notch for transversely accommodating the driving belt wheel, and the upper part of the tank body is provided with a second notch for correspondingly and transversely accommodating the driven belt wheel; the first notch and the second notch are located in the same vertical direction and communicated with the interior of the tank body, the conveying belt is sleeved between the driving belt wheel and the driven belt wheel, and is wound in the tank body through the first notch and the second notch, and is attached to and arranged on the end faces of the opening and the necking channel of the funnel.

5. The dough conveying structure of the steamed stuffed bun machine as claimed in claim 4, wherein the first power assembly comprises a motor, a worm connected to the output shaft of the motor, two worm gears oppositely arranged on different sides of the worm, and gear sets respectively in transmission connection with the two worm gears, and the last-stage gear of each gear set is correspondingly in transmission connection with the rotating shaft where the driving pulleys of the first conveying set and the second conveying set are located.

6. The dough conveying structure of the steamed stuffed bun machine as claimed in claim 4, wherein the first conveying group and the second conveying group are provided in two and are respectively arranged oppositely; the two first conveying groups and the conveying belts of the two conveying groups are matched oppositely so as to be synchronously configured around the end surface of the necking channel; the notches of the two first conveying groups are arranged oppositely, the notches of the two second conveying groups are also arranged oppositely, and the notches of the different conveying groups are arranged in a staggered manner.

7. The dough conveying structure of the steamed stuffed bun machine as claimed in claim 4, wherein a cutter cut perpendicular to the necking channel is correspondingly formed in the lower part of the can body, and the depth of the cutter cut can at least transversely cut off the dough in the necking channel; the cutter cut is located between the first notch and the outlet of the throat channel.

8. The dough conveying structure of a steamed stuffed bun machine as claimed in claim 3, wherein an outer shell is arranged outside the can body, and the outer shell is shaped like a funnel and is used for covering the outer side of the can body.

9. The dough conveying structure of the steamed stuffed bun machine as claimed in claim 1, wherein the second power assembly is an air cylinder, and the air cylinder is transversely arranged on the rack to telescopically drive the cutter to transversely cut the dough in the necking channel.

10. The dough conveying structure of a steamed stuffed bun maker as claimed in claim 1, wherein a guide surface is provided at an outlet of the throat passage, and the guide surface is disposed in the throat passage in an inclined manner with respect to the direction of the next process step to convey the cut dough obliquely to the next process step.