CN112237210A - Wheaten food machine with uniform strength - Google Patents
Wheaten food machine with uniform strength Download PDFInfo
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- CN112237210A CN112237210A CN201910647849.0A CN201910647849A CN112237210A CN 112237210 A CN112237210 A CN 112237210A CN 201910647849 A CN201910647849 A CN 201910647849A CN 112237210 A CN112237210 A CN 112237210A
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
- A21C11/00—Other machines for forming the dough into its final shape before cooking or baking
- A21C11/16—Extruding machines
- A21C11/20—Extruding machines with worms
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Abstract
The invention provides a wheaten food machine with uniform strength, which comprises a host machine with a motor, a stirring assembly and an extrusion assembly, wherein the stirring assembly and the extrusion assembly are arranged on the host machine, the extrusion assembly comprises a noodle extruding cylinder, a screw rod inside the noodle extruding cylinder and a die head assembly arranged at the opening end of the noodle extruding cylinder, the screw rod comprises a screw rod body with a spiral surface and a screw rod shaft in the screw rod body, the motor is in transmission connection with the screw rod shaft through an output shaft, the noodle extruding cylinder and the die head assembly surround to form an extrusion cavity, the die head assembly comprises a die head support arranged at the opening end of the noodle extruding cylinder and a die head matched with the die head support in an installing mode, the extrusion cavity comprises an extrusion propelling cavity positioned in the noodle extruding cylinder and an extrusion noodle extruding cavity positioned in the die head assembly, and at least in the same cross section of part of the. The invention can keep the strength of the dough extruding cylinder and the die head bracket uniform, and can reduce the material consumption to the maximum extent and reduce the material cost on the premise of fully meeting the strength requirement.
Description
Technical Field
The invention belongs to the technical field of food processing machines, and particularly relates to a wheaten food machine with uniform strength.
Background
The existing household full-automatic pasta machine generally comprises a main machine, a stirring component and an extrusion component, wherein the stirring component is arranged on the main machine, and comprises a stirring cup connected with the main machine and a stirring rod arranged in the stirring cup. The extruding component comprises a dough extruding cylinder arranged at the lower part of the stirring cup, a screw rod transversely arranged in the dough extruding cylinder and a die head component arranged at the opening end of the dough extruding cylinder. When the noodles are made, firstly, flour and water with corresponding weight are put into the stirring cup, then the motor in the main machine is started to drive the stirring rod to rotate, so that the flour and the water in the stirring cup are uniformly stirred to form flocculent small dough, and the small dough falls into the noodle extruding cylinder. After the dough is uniformly stirred, the motor drives the screw rod to rotate so as to push and extrude the dough falling into the dough extruding cylinder forwards, and the dough is extruded outwards continuously from the forming hole of the die head assembly to form the noodles.
However, the existing pasta machine has the following defects: for ease of manufacture and assembly, the barrel and screw of the existing extruder assembly are arranged coaxially so that the barrel can maintain a uniform wall thickness. As is known, the die head assembly comprises a cylindrical die head bracket coaxially connected with the dough extruding cylinder, and a die head which is arranged at the lower side of the die head bracket and is provided with a forming hole, wherein the lower side of the die head bracket is provided with a mounting hole, and the die head is arranged in the mounting hole. Therefore, the die holder is provided with a large difference in the strength of the die on one side and the strength of the opposite side. In particular, the screw presses the dough and finally the dough is extruded outward through the forming holes of the die to form noodles. So that the extrusion force on one side of the feeler is larger. In order to ensure the strength of one side of the die head support provided with the die head and the connection strength of the die head and the die head support, the wall thickness of one side of the die head support provided with the die head is generally increased, and at the moment, the other side of the die head support can cause surplus strength; on the contrary, when we consider the strength requirement of the opposite side of the die head on the die head bracket more, the strength of the side of the die head bracket where the die head is arranged and the connection strength of the die head and the die head bracket are not enough, that is, the strength design on the die head bracket is not uniform, the material consumption is difficult to reduce to the maximum extent on the premise of fully meeting the strength requirement, and then the material waste is easily caused, which is not beneficial to reducing the production cost.
Disclosure of Invention
The invention aims to provide a wheaten food machine with uniform strength, which can keep the strength of a noodle extruding cylinder and a die head bracket uniform, reduce the material consumption to the maximum extent on the premise of fully meeting the strength requirement during noodle extruding and is beneficial to reducing the material cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an even wheaten food machine of intensity, is including the host computer that has the motor, set up stirring subassembly and extrusion subassembly on the host computer, extrusion subassembly includes a crowded face section of thick bamboo, sets up at the inside screw rod of a crowded face section of thick bamboo, sets up the die head subassembly at a crowded face section of thick bamboo open end, and the screw rod is including the screw rod body that the surface is equipped with the spiral, the internal screw rod axle of screw rod, and the motor passes through the output shaft and is connected with screw rod axle drive, and a crowded face section of thick bamboo surrounds the extrusion chamber that forms the cylindric with the die head subassembly, the die head subassembly including set up at the die head support of a crowded face section of thick bamboo open end and with die head support mounting complex die head, the extrusion chamber is pushed the chamber and is pushed out of being located die head subassembly including the extrusion that is located a crowded face section of thick.
It is known in the prior art that the dough extruding cylinder and the screw are generally concentrically arranged, while the invention is characterized in that the axial center of the screw shaft and the geometric center of the extrusion propulsion chamber are eccentrically arranged in the same cross section of the extrusion propulsion chamber. Thus, when we keep the screw concentric with the geometric center of the extrusion face cavity in the die assembly, the inner and outer sidewalls of the cylindrical die holder become eccentric and uneven in wall thickness. It can be understood that the wall thickness of one side of the die head arranged on the die head bracket is larger than that of the opposite side of the die head arranged on the die head bracket, so that the strength of the two sides of the die head bracket and the connection strength of the die head bracket and the die head are kept uniform, and the strength of the die head bracket and the connection strength of the die head bracket and the die head meet the requirements of screw extrusion on the premise of reducing the wall thickness of the die head bracket as much as possible.
In addition, the wall thickness of the dough extruding cylinder can be kept uniform, so that the strength of the dough extruding cylinder is kept uniform and can be fully utilized and exerted. That is, the gap between the screw and the dough cylinder is not uniform. When the screw rod begins to push the little dough forward, because the speed of appearing of shaping hole can be less than the push velocity of screw rod to the dough, consequently, the dough is extruded and increases toughness, and the volume of dough is compressed to be favorable to finally outwards extruding through the shaping hole of die head and forming noodless. Because the gap between the screw and the dough extruding cylinder is not uniform, the pressure of the dough can change from low to high and then from high to low when the dough is extruded. In other words, the dough in the dough extruding cylinder has a loosening stage, so that the dough has an effect similar to that of manual dough kneading, the toughness of the dough is increased, the mouthfeel of the extruded noodles is improved, and the problem that the dough cannot be effectively pushed forwards due to the fact that the dough is pressed to be dead due to excessive extrusion of the dough is avoided.
Preferably, the axis of the screw shaft is offset upward relative to the geometric center of the extrusion propulsion chamber to form an eccentric arrangement, so that a maximum clearance is formed between the rotation path of the screw top surface and the lower side of the extrusion chamber.
It is known that the die is typically disposed on the underside of the die holder to facilitate the downward extrusion of the noodles from the underside of the die assembly. Therefore, the axis of the screw shaft is enabled to be upwardly deviated relative to the geometric center of the extrusion propulsion cavity to form an eccentric arrangement, correspondingly, the inner cavity of the die head bracket can be upwardly deviated relative to the outer side wall to keep coaxial with the screw, so that the wall thickness of the lower side of the die head bracket is greater than that of the upper side of the die head bracket, and the strength of the die head bracket is kept uniform.
Preferably, the axis of the screw shaft is offset downward with respect to the geometric center of the extrusion propulsion chamber to form an eccentric arrangement, so that a maximum clearance is formed between the rotation locus of the screw top surface and the upper side of the extrusion chamber.
As is known, the dough extruding cylinder is generally integrally arranged at the lower part of the stirring cup, and a dough inlet hole is formed at the joint of the upper side of the dough extruding cylinder and the bottom wall of the stirring cup, so that the stirred dough enters the dough extruding cylinder through the dough inlet hole. The axis of the screw shaft of the invention is deviated downwards relative to the geometric center of the extrusion propulsion cavity to form eccentric arrangement, thereby forming the maximum clearance between the rotating track of the spiral top surface and the upper side of the extrusion cavity, further forming a larger clearance between the screw and the dough inlet hole as much as possible, and being beneficial to the well-stirred dough to enter the dough extruding cylinder through the dough inlet hole.
In particular, when the screw is eccentrically arranged downwards relative to the dough extruding cylinder, the die head bracket, the dough extruding cylinder and the connecting part of the die head bracket are correspondingly offset downwards, so that a corresponding proximity sensor can be arranged at the lower side of the opening end of the dough extruding cylinder, and whether the die head assembly is installed in place or not can be detected. When a user forgets to install the die head assembly, the proximity sensor sends a signal to the controller, so that the starting of the motor can be prevented, and the user is prevented from being injured.
Preferably, the noodle extruding cylinder comprises a cylinder body and a connecting section arranged at the front end of the cylinder body, the noodle extruding cylinder is connected with the die head assembly through the connecting section, and the axis of the screw shaft and the central axis of the cylinder body are eccentrically arranged.
The noodle extruding cylinder comprises a cylinder body eccentrically arranged with a screw shaft and a connecting section arranged at the front end of the cylinder body and connected with a die head component. Thus, the barrel and connecting section can be eccentrically positioned as desired to maintain the screw eccentrically positioned with respect to the barrel portion and, on the other hand, to maintain the die holder coaxially positioned with respect to the screw. That is, the extrusion advancing chamber and the dough extruding chamber of the extrusion chamber may be eccentrically disposed, thereby maintaining the strength of the die assembly uniform while facilitating the control of the dough extruding pressure.
Preferably, the axis of the screw shaft is concentrically arranged relative to the geometric center of the extrusion face cavity; alternatively, the axis of the screw shaft is eccentrically disposed with respect to the geometric center of the extrusion face cavity.
Because the axle center of screw shaft advances the eccentric settings of chamber's geometric centre for the extrusion, consequently, when the axle center of screw shaft set up with one heart for the geometric centre that extrudes the face chamber, can make and extrude the face chamber and form off-centre with the lateral wall of die head support, that is to say, the die head support can produce the wall thickness difference to make die head support closed side more even with the intensity that sets up die head one side. When the axis of the screw shaft is eccentrically arranged relative to the geometric center of the extrusion face cavity, the extrusion face cavity and the geometric center of the extrusion propulsion cavity can be kept consistent, namely, the inner side wall and the outer side wall of the die head bracket can be kept concentric at the moment, so that the die head bracket is convenient to process and manufacture, and the die head assembly and the extrusion barrel are convenient to install and connect.
Preferably, at least part of the extrusion propulsion chamber is circular, or elliptical, or approximately circular in cross-section.
When the cross section of the extrusion propulsion cavity is circular or approximately circular and the screw and the extrusion propulsion cavity are eccentrically arranged, the maximum gap and the minimum gap are naturally formed between the screw and the extrusion propulsion cavity, so that the gradual change of pressure change of dough is facilitated, and the extrusion propulsion cavity is convenient to form and uniform in wall thickness; when the cross section of the extrusion propulsion cavity is oval, the axis of the screw rod can be close to or positioned at one focus along the long axis of the oval, and the maximum gap and the minimum gap can be formed between the screw rod and the extrusion propulsion cavity at the moment, so that the gradual change of pressure of dough is facilitated, and the maximum gap between the screw rod and the extrusion propulsion cavity can be conveniently controlled on the premise of ensuring the minimum gap size between the screw rod and the extrusion propulsion cavity.
Preferably, the axis of the screw shaft is concentric with the rotation center of the screw body.
When the axis of the screw shaft and the extrusion propulsion cavity are eccentrically arranged, the rotating track of the spiral top surface on the screw body and the upper side of the extrusion cavity can form a maximum gap and a minimum gap which are opposite, and the positions of the maximum gap and the minimum gap are fixed, so that the phenomenon that the screw shakes due to eccentricity when rotating can be avoided, and the vibration noise during extrusion is reduced.
Preferably, the screw body comprises an extrusion section positioned in the extrusion cylinder and a dough outlet section positioned in the die head support, the screw comprises an extrusion screw arranged in the extrusion section and a dough outlet screw arranged in the dough outlet section, the spiral rising angle of the dough outlet screw is alpha, the spiral rising angle of the extrusion screw is beta, and the alpha is more than or equal to 35 degrees and less than or equal to 90 degrees.
It is known that the screw mainly serves to push the dough forward, extruding the dough through the forming hole and forming noodles. The invention divides the screw body into an extrusion section positioned in the noodle extrusion cylinder and a noodle outlet section positioned in the die head bracket, and the extrusion screw of the extrusion section and the noodle outlet screw of the noodle outlet section have different helix angles, so that the extrusion section and the noodle outlet section of the screw can respectively play roles of pushing dough and extruding dough to form noodles. Particularly, the size relationship between the helix angle beta of the extrusion screw and the helix angle alpha of the dough outlet screw can be reasonably controlled, so that the extrusion screw can form enough forward thrust on dough, the dough is pushed forward to the maximum extent, and the dough making speed and efficiency are favorably improved; the dough outlet spiral can form enough circumferential thrust and radial extrusion force on the dough, so that the dough is quickly extruded through the forming holes to form the noodles. When alpha is less than beta +35 degrees, namely beta is more than alpha +35 degrees, the axial component force of the extruding screw for pushing the dough forwards is reduced, the dough is easy to rotate repeatedly in the dough extruding cylinder, and the dough making speed and efficiency are reduced. When the alpha is more than 90 degrees, the dough outlet spiral can form a backward axial component force to the dough, so that the axial pushing force of the extrusion spiral to the dough is offset, and the dough is not beneficial to extruding outwards from the forming hole to form the noodles.
Preferably, the outer side of the connecting section of the dough extruding cylinder is provided with a connecting spiral ring protruding in the radial direction, the extruding assembly further comprises a die head cover, and the die head cover is in threaded connection with the connecting spiral ring so as to lock and fix the die head assembly and the dough extruding cylinder.
When the die head cover is connected to the connecting spiral ring of the extruded surface barrel connecting section in a threaded mode, the die head assembly and the extruded surface barrel can be locked and fixed. In particular, the invention arranges a radially raised connecting spiral ring outside the connecting section, therefore, the connecting spiral ring and the inner wall of the face extruding cylinder, namely the extruding propulsion cavity, are eccentrically arranged. When the die head bracket is fixed to the opening end of the connecting section of the dough extruding cylinder, the dough extruding cavity and the extrusion propelling cavity can be conveniently eccentrically arranged, and then the injection molding of the dough extruding cylinder and the installation and connection of the die head assembly and the dough extruding cylinder are facilitated.
Preferably, the eccentricity between the axis of the screw shaft and the geometric center of the extrusion propulsion cavity is a, and a is more than or equal to 0.5mm and less than or equal to 5 mm.
The eccentric distance a between the axis of the screw shaft and the geometric center of the extrusion propulsion cavity can be reasonably set, so that the eccentric value between the inner side wall and the outer side wall of the die head support is reasonably controlled, a proper wall thickness difference is formed between the closed side of the die head support and the side provided with the die head, the strength of the two sides of the die head support and the connection strength of the die head support and the die head are kept uniform, and the strength of the die head support and the connection strength of the die head support and the die head meet the requirements of the screw in extrusion on the premise of reducing the wall thickness of the die head support as much as possible. When a is less than 0.5mm, the difference in wall thickness between the closed side of the die holder and the side where the die is disposed is too small, and it is difficult to effectively achieve the effect of maintaining uniform strength. When a is more than 5mm, the wall thickness difference between the closed side of the die head bracket and the side provided with the die head is too large, which is not beneficial to the processing and manufacturing of the die head component and the noodle extruding cylinder and the assembly of the noodle extruding cylinder, but also causes the pressure of dough to be too small, which is not beneficial to the extrusion of noodles and influences the toughness and the taste of the noodles.
Therefore, the invention has the following beneficial effects: the strength of the dough extruding cylinder and the die head bracket can be kept uniform, the material consumption is reduced to the maximum extent on the premise of fully meeting the strength requirement during dough extruding, and the material cost is favorably reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
FIG. 2 is a schematic view of the construction of the extrusion assembly of the present invention.
Figure 3 is a cross-sectional view of the extrusion propulsion chamber.
Figure 4 is another cross-sectional view of the extrusion propulsion chamber.
Fig. 5 is a schematic view of the screw structure.
In the figure: 1. the extrusion device comprises a main machine 11, a motor 2, a stirring assembly 21, a stirring cup 22, a stirring rod 23, an upper cover 3, an extrusion assembly 31, a noodle extrusion cylinder 311, a noodle inlet hole 312, a cylinder body 313, a connecting section 314, a connecting spiral ring 32, a screw 321, a screw body 322, a spiral 323, a screw shaft 324, an extrusion section 325, a noodle outlet section 326, an extrusion spiral 327, a noodle outlet spiral 33, a die head assembly 331, a die head support 332, a die head 34, a die head cover 4, an extrusion propulsion cavity 5 and a noodle extrusion cavity.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
As shown in fig. 1 and 2, the pasta machine with uniform strength comprises a main machine 1 with a motor 11 inside, a stirring component 2 and an extrusion component 3 which are arranged on the main machine, wherein the stirring component comprises a stirring cup 21, a stirring rod 22 arranged in the stirring cup and an upper cover 23 covering an opening above the stirring cup; the extruding component comprises a flour extruding cylinder 31 transversely arranged at the bottom of the stirring cup, a screw 32 arranged in the flour extruding cylinder, a die head component 33 arranged at the opening end of the flour extruding cylinder and a die head cover 34, and a flour inlet hole 311 is formed at the joint of the flour extruding cylinder and the stirring cup. The die head component comprises a cylindrical die head support 331 arranged at the opening end of the dough extruding cylinder, a mounting hole is formed in the lower side of the die head support, a die head 332 with a forming hole is installed and matched in the mounting hole, and the die head cover locks and fixes the die head component and the dough extruding cylinder. The screw comprises a screw body 321 with a screw 322 on the surface and a screw shaft 323 in the screw body, and the motor is respectively in transmission connection with the screw shaft and the stirring rod through output shafts.
When the wheaten food is made, flour, water and the like are put into the stirring cup, then the motor is started, and the stirring rod is driven to rotate through the transmission mechanism, so that the flour and the water in the stirring cup are uniformly stirred to form flocculent small dough. After the flour in the stirring cup is stirred, the motor rotates reversely, so that the stirring rod is driven to rotate reversely to continuously push small dough to rotate in the stirring cup, the small dough falls into the dough inlet under the pushing of the stirring rod, the rotating screw rod can push and extrude the small dough in the dough extruding cylinder forwards, and finally noodles are extruded outwards through the forming hole of the die head component.
When the die assembly is mounted and fixed on the opening end of the dough extruding cylinder, the dough extruding cylinder and the die assembly surround to form a cylindrical extrusion cavity which comprises an extrusion pushing cavity 4 positioned in the dough extruding cylinder and an extrusion surface cavity 5 positioned in the die assembly, as shown in figures 2 and 3. At least in part of the same cross section of the extrusion propulsion chamber, the axis of the screw shaft can be eccentrically arranged with respect to the geometric center of the extrusion propulsion chamber. It is known that the outer sidewall of a cylindrical die holder is generally concentric with the outer sidewall of the dough extruding cylinder to facilitate assembly. Thus, when we keep the screw concentric with the geometric center of the extrusion face cavity in the die assembly, the inner and outer sidewalls of the cylindrical die holder become eccentric and uneven in wall thickness. Of course, the wall thickness of one side of the die head arranged on the die head bracket is larger than that of the opposite side of the die head arranged on the die head bracket, so that the strength of the two sides of the die head bracket and the connection strength of the die head bracket and the die head are kept uniform, the strength of the die head bracket and the connection strength of the die head bracket and the die head meet the requirements of screw extrusion, and the wall thickness of the die head bracket is reduced as much as possible.
It should be noted that we can keep the wall thickness of the dough extruding cylinder uniform, so as to keep the strength of the dough extruding cylinder uniform. That is, the gap between the screw and the dough cylinder is not uniform. When the screw rod rotates and starts to push the small dough in the dough extruding cylinder forwards, the dough outlet speed of the forming hole on the die head assembly is smaller than the pushing speed of the screw rod to the dough, so that the dough is extruded and the volume is reduced, the pressure of the dough is increased, the noodles are formed by extruding the dough through the forming hole of the die head, and the extruded dough can form better toughness, so that the extruded noodles have good toughness and mouthfeel.
Because the gap between the screw and the dough extruding cylinder is not uniform, the pressure of the dough can change from low to high and then from high to low when the dough is extruded in the extrusion pushing cavity. In other words, the dough in the dough extruding cylinder can be loosened after being extruded, so that the dough has an effect similar to manual dough kneading, the toughness of the dough is increased, the mouthfeel of the extruded noodles is improved, and the problem that the dough cannot be effectively pushed forwards due to the fact that the dough is pressed to be dead due to excessive extrusion of the dough is avoided.
It will be appreciated that the die is disposed on the underside of the die holder to facilitate the downward extrusion of the noodles from the underside of the die assembly.
Preferably, we can control the eccentricity a between the axis of the screw shaft and the geometric center of the extrusion propulsion chamber in the following range: a is more than or equal to 0.5mm and less than or equal to 5mm, so that the eccentricity value between the inner side wall and the outer side wall of the die head support is reasonably controlled, a proper wall thickness difference is formed between the closed side of the die head support and the side provided with the die head, the strength of the two sides of the die head support and the connection strength of the die head support and the die head are kept uniform, and the strength of the die head support and the connection strength of the die head support and the die head meet the requirements of a screw rod during extrusion on the premise of reducing the wall thickness of the die head support as much as.
In order to facilitate the connection of the die head component and the dough extruding cylinder, the dough extruding cylinder comprises a cylinder body 312 and a connecting section 313 arranged at the front end of the cylinder body, the dough extruding cylinder is connected with the die head component through the connecting section, and the axis of the screw shaft and the central axis of the cylinder body are eccentrically arranged. In addition, a radially protruding connecting screw 314 is arranged on the outside of the connecting piece, and the die cover is screwed to the connecting screw. When the die head cover is connected to the connecting spiral ring of the extruded surface barrel connecting section in a threaded mode, the die head assembly and the extruded surface barrel can be locked and fixed.
We can place the barrel and connecting section eccentrically so that the screw remains eccentrically positioned with the barrel portion and the die holder remains coaxially positioned with the screw. That is, the extrusion propulsion chamber and the extrusion face chamber of the extrusion chamber are eccentrically arranged, so that the strength of the die assembly is kept uniform, and the control of the extrusion face pressure is facilitated.
In particular, the connecting spiral ring and the inner wall of the extruding cylinder, namely the extruding propelling cavity, are eccentrically arranged. When the die head support is fixed to the opening end of the connecting section of the noodle extruding cylinder, the noodle extruding cavity and the extruding propelling cavity can be conveniently eccentrically arranged, so that the injection molding of the noodle extruding cylinder is facilitated, and the mounting connection of the die head assembly and the noodle extruding cylinder is facilitated.
Preferably, as shown in FIG. 3, the axis of the screw shaft is offset upward from the geometric center of the extrusion propulsion chamber to form an eccentric arrangement, so that the maximum clearance is formed between the rotation path of the spiral top surface and the lower side of the extrusion chamber, while the inner cavity of the die holder, i.e., the geometric center of the extrusion surface cavity, is concentric with the axis of the screw shaft. Therefore, the inner cavity of the die head bracket is deviated upwards relative to the outer side wall of the die head bracket, so that the wall thickness of the lower side of the die head bracket is larger than that of the upper side of the die head bracket, and the uniform strength is kept between the lower side of the die head bracket provided with the die head and the closed upper side of the die head bracket.
Alternatively, as shown in fig. 4, the axis of the screw shaft may be offset downward from the geometric center of the extrusion propulsion chamber to form an eccentric arrangement, so that a maximum clearance is formed between the rotation path of the screw top surface and the upper side of the extrusion chamber.
Because the dough extruding cylinder is integrally arranged at the lower part of the stirring cup, and a dough inlet hole is formed at the joint of the upper side of the dough extruding cylinder and the bottom wall of the stirring cup, the well-stirred dough can enter the dough extruding cylinder through the dough inlet hole. Therefore, when the axis of the screw shaft is offset downwards relative to the geometric center of the extrusion propulsion cavity to form an eccentric arrangement, a larger gap can be formed between the screw and the dough inlet hole, so that the well-stirred dough enters the dough extruding cylinder through the dough inlet hole and is pushed forwards by the screw.
Particularly, the outer side walls of the connecting sections of the die head bracket and the dough extruding cylinder are downwards deviated relative to the extruding propulsion cavity, and the wall thickness of the lower side of the connecting section of the dough extruding cylinder is increased, so that a corresponding proximity sensor can be arranged on the lower side of the connecting section, and whether the die head assembly is installed in place or not can be detected. When a user forgets to install the die head assembly, the proximity sensor can send a signal to a controller of the wheaten food machine, so that the motor can be prevented from being started, and the user is prevented from being injured.
Preferably, the axis of the screw shaft is concentrically arranged relative to the geometric center of the extrusion face cavity, and at the moment, the outer side wall of the die head bracket and the outer side wall of the extrusion face barrel are concentric, so that the extrusion face cavity and the outer side wall of the die head bracket are eccentric, the die head bracket generates a wall thickness difference, and the strength of the closed upper side of the die head bracket and the strength of the lower side of the die head are more uniform.
Of course, the axis of the screw shaft can be eccentrically arranged relative to the geometric center of the extrusion face cavity, and the geometric centers of the extrusion face cavity and the extrusion propulsion cavity are kept consistent. That is, the inner and outer sidewalls of the die holder are kept concentric to facilitate molding of the die holder and mounting of the die assembly to the barrel.
Further, at least a portion of the chamber is circular, or approximately circular, in cross-section. It should be noted that when the difference between the major and minor axes of the ellipse is very small (for example, the minor axis is greater than 95% of the major axis), or the cross section of the extrusion propulsion chamber has a shape of at least regular dodecagon, we can consider the cross section to be approximately circular. Because the screw rod and the extrusion propulsion cavity are eccentrically arranged, the maximum gap and the minimum gap are naturally formed between the screw rod and the extrusion propulsion cavity, thereby being beneficial to the gradual change of the pressure of the dough, and being convenient for the forming of the extrusion propulsion cavity and the uniform wall thickness.
Of course, at least part of the extrusion propulsion chamber may also be oval in cross-section, with its long axis arranged vertically. The axis of the screw rod can be positioned on the long axis of the ellipse and close to one of the focus positions, and the maximum gap and the minimum gap can be formed between the screw rod and the extrusion propulsion cavity at the moment, so that the gradual change of pressure of dough is facilitated, and the maximum gap between the screw rod and the extrusion propulsion cavity can be conveniently controlled on the premise of ensuring the minimum gap size between the screw rod and the extrusion propulsion cavity.
Furthermore, the axis of the screw shaft and the rotation center of the screw body are concentrically arranged, so that the screw is prevented from shaking due to eccentricity during rotation, vibration noise during extrusion is reduced, and the clearance between the screw and the extrusion cavity is ensured to be fixed.
In order to improve the pushing effect and the extruding and dough discharging effect of the screw rod on the dough, as shown in fig. 5, the screw rod body comprises an extruding section 324 positioned in the dough extruding cylinder and a dough discharging section 325 positioned in the die head bracket. Correspondingly, the screw comprises an extrusion screw 326 arranged at the extrusion section and a dough outlet screw 327 arranged at the dough outlet section, and the extrusion section and the dough outlet section of the screw can respectively play roles of pushing dough and extruding dough to form noodles.
The lead angle alpha of the surface spiral and the lead angle beta of the extrusion spiral can be controlled within the following range: beta +35 degrees is more than or equal to alpha and less than or equal to 90 degrees, so that the extrusion screw can form enough forward thrust on the dough, the dough is pushed forward to the maximum extent, the dough making speed and efficiency are improved, and the dough outlet screw can form enough circumferential thrust and radial extrusion force on the dough, so that the dough is extruded quickly through the forming holes to form the noodles.
Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.
Claims (10)
1. The utility model provides an even wheaten food machine of intensity, is including the host computer that has the motor, set up stirring subassembly and extrusion subassembly on the host computer, extrusion subassembly includes a section of thick bamboo of crowded face, sets up at the inside screw rod of a section of thick bamboo of crowded face, sets up the die head subassembly at a section of thick bamboo open end of crowded face, and the screw rod is including the screw rod body that the surface is equipped with the spiral, the internal screw rod axle of screw rod, and the motor passes through the output shaft and is connected with screw rod axle transmission, and a section of thick bamboo of crowded face surrounds the extrusion chamber that forms cylindric with the die head subassembly, and the die head subassembly is including setting up at the die head support of a section of thick bamboo open end of crowded face and with die head support mounting complex die head, characterized by, the extrusion chamber is including the extrusion propulsion chamber that is located a section of thick bamboo of crowded face and being.
2. A pasta machine of uniform strength according to claim 1, wherein the axis of the screw shaft is offset upwardly from the geometric centre of the chamber to provide an eccentric arrangement, thereby providing maximum clearance between the path of rotation of the screw top and the underside of the chamber.
3. A pasta machine of uniform strength according to claim 1, wherein the axis of the screw shaft is offset downwardly from the geometric centre of the chamber to provide an eccentric arrangement, thereby providing maximum clearance between the path of rotation of the screw top and the upper side of the chamber.
4. The pasta machine with uniform strength according to claim 1, wherein the extrusion container comprises a barrel body and a connecting section arranged at the front end of the barrel body, the extrusion container is connected with the die head assembly through the connecting section, and the axis of the screw shaft is eccentrically arranged with the central axis of the barrel body.
5. A uniform strength pasta machine as claimed in claim 1 wherein the axis of the screw shaft is concentric with respect to the geometric centre of the extruded pasta chamber; alternatively, the axis of the screw shaft is eccentrically disposed with respect to the geometric center of the extrusion face cavity.
6. A pasta machine of uniform strength according to claim 2, characterised in that at least part of the chamber is circular, oval or approximately circular in cross-section.
7. The pasta machine according to claim 1, wherein the axis of the screw shaft is concentric with the center of rotation of the screw body.
8. The pasta machine with uniform strength according to claim 1, wherein the screw body comprises an extrusion section positioned in the extrusion cylinder and a noodle outlet section positioned in the die head bracket, the screw comprises an extrusion screw arranged in the extrusion section and a noodle outlet screw arranged in the noodle outlet section, the helix angle of the noodle outlet screw is alpha, the helix angle of the extrusion screw is beta, and the angle between beta +35 degrees and alpha is less than or equal to 90 degrees.
9. The pasta machine with uniform strength according to claim 4, wherein the extruding barrel connecting section is provided with a radially protruding connecting spiral ring outside, the extruding assembly further comprises a die head cover, and the die head cover is in threaded connection with the connecting spiral ring so as to lock and fix the die head assembly and the extruding barrel.
10. The pasta machine with uniform strength as claimed in claim 1, wherein the eccentricity between the axis of the screw shaft and the geometric center of the extrusion propulsion chamber is a, and a is 0.5mm or more and 5mm or less.
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| CN201910647849.0A CN112237210B (en) | 2019-07-18 | 2019-07-18 | Wheaten food machine with uniform strength |
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Cited By (1)
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| CN112237210B (en) | 2022-03-15 |
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