CN218167263U - Minced steak leads to subassembly and minced steak equipment - Google Patents

Abstract

The utility model provides a high minced steak leads to subassembly, include: a meat mincing passage shell, wherein a meat mincing cavity is arranged in the meat mincing passage shell; the screw rod assembly is arranged in the minced steak cavity; the base is connected to the minced steak through shell, an accommodating cavity is arranged in the base, and the accommodating cavity is communicated with the minced steak cavity; the cutter head and the positioning structure; wherein, the blade disc is located through location structure and is held the chamber to the realization holds the rigidity in chamber relatively, so set up, the user when the assembly, can fix the blade disc earlier and hold the intracavity, assemble the minced steak logical casing in the base again, compare in fixing the blade disc at the minced steak logical casing, the blade disc can also avoid blade disc and base to appear the condition of collision because of the circumstances that the minced steak logical casing dropped when can avoiding the assembly, has promoted assembly efficiency, has optimized user's use and has experienced. The utility model also provides a minced steak equipment, include as above minced steak logical subassembly.

Description

Minced steak leads to subassembly and minced steak equipment

Technical Field

The utility model relates to a minced steak equipment technical field especially relates to a minced steak leads to subassembly and minced steak equipment.

Background

The meat mincing device comprises a meat mincing assembly and a main machine assembly, wherein the meat mincing assembly comprises a screw assembly and a cutter head, the main machine assembly provides power for the screw assembly, and the screw assembly and the cutter head are used for chopping and discharging materials under the combined action of the screw assembly and the cutter head.

The user when the subassembly is led to current most minced steak, generally need fix the blade disc on the minced steak leads to the casing earlier, assembles the minced steak casing on the base again, and at this in-process, the blade disc drops from the minced steak casing easily under the effect of gravity, and assembly efficiency is low, has reduced user and has used experience.

SUMMERY OF THE UTILITY MODEL

In order to overcome at least one defect in the prior art, the utility model provides a meat mincing component, which is used for improving the assembly efficiency of the meat mincing component and optimizing the experience of users; the utility model discloses still include a minced steak equipment, include as above the minced steak leads to the subassembly.

The utility model discloses a solve the technical scheme that its problem adopted and be:

a meat grinder assembly comprising: the meat mincing machine comprises a meat mincing through shell, wherein a meat mincing cavity is arranged in the meat mincing through shell; the screw rod assembly is arranged in the minced steak cavity; the base is connected to the meat mincing through shell, an accommodating cavity is formed in the base, and the accommodating cavity is communicated with the meat mincing cavity; the cutter head and the positioning structure; the cutter head is arranged in the accommodating cavity through the positioning structure, and the position of the accommodating cavity is fixed relatively.

The utility model provides a pair of subassembly is led to minced steak, the user can fix the blade disc in holding the intracavity when the assembly, assembles the casing with minced steak in the base again, compares in fixing the blade disc in the casing is led to the minced steak, and the blade disc can also avoid blade disc and base to appear the condition of collision because of gravity from the condition that the casing dropped when can avoiding the assembly, has promoted assembly efficiency, has optimized user's use and has experienced.

According to some embodiments of the invention, the positioning structure comprises positioning blocks and positioning grooves, wherein the positioning blocks and the positioning grooves correspond to each other one by one and are mutually clamped and matched; the positioning block is arranged on the outer side wall of the cutter head and/or the inner side wall of the accommodating cavity; the constant head tank is located hold the inside wall in chamber, and/or, the lateral wall of blade disc.

Through adopting above-mentioned scheme, be fixed in the blade disc and hold the intracavity, simple structure, the function is realized easily, low in manufacturing cost.

According to some embodiments of the invention, the positioning structure comprises a polygonal side wall arranged on the peripheral side of the cutter head, the accommodating cavity is matched with the polygonal side wall, and the polygonal side wall is abutted against the side wall of the accommodating cavity.

Through adopting above-mentioned scheme, the polygon lateral wall with hold the chamber and mutually support the cooperation, can fix the blade disc firmly and hold the intracavity, on the one hand, simplified location structure, on the other hand, be convenient for manufacture, the cost is reduced.

According to some embodiments of the invention, the polygonal sidewall is a regular polygon.

By adopting the scheme, the cutter head can be assembled in the accommodating cavity from different positions, so that the time for aligning the cutter head with the accommodating cavity is saved, the cutter head is easier to assemble, and the use experience of a user is further optimized.

According to some embodiments of the invention, the accommodating cavity is further provided with a limit ring protrusion, and the bottom of the cutter head abuts against the limit ring protrusion.

Through adopting above-mentioned scheme, can realize the support to the blade disc, further improve the blade disc setting and hold the steadiness of intracavity.

According to some embodiments of the invention, the base comprises a connection portion, the connection portion being detachably connected to the meat grinder shell.

Through adopting above-mentioned scheme, can lead to the minced steak the casing with the base is dismantled, and the user of being convenient for washs.

According to some embodiments of the invention, the screw assembly comprises a connecting shaft, a spiral rib and a blade, the spiral rib is arranged on the outer surface of the connecting shaft, the blade is sleeved on the connecting shaft and abuts against the top of the cutter head, and the cutter head is provided with a first mounting hole for the connecting shaft to be inserted into.

Through adopting above-mentioned scheme, during the assembly, the user can insert the connecting axle in first mounting hole in order to assemble screw rod subassembly in the base earlier, assembles the meat mincing logical casing in the base again to accomplish the installation of whole meat mincing logical subassembly, make the assembly of meat mincing logical subassembly convenient laborsaving more.

According to some embodiments of the invention, the cutter head further comprises an elastic member for elastically holding the cutter blade pressed against the cutter head.

Through adopting above-mentioned scheme, can guarantee screw rod assembly's the work efficiency of cutting up the material.

According to some embodiments of the invention, a first positioning column is arranged at one end, away from the cutter disc, of the connecting shaft, a first positioning hole matched with the first positioning column is arranged on the meat grinding through shell, the elastic piece is arranged in the first positioning hole, and the first positioning column is rotatably arranged in the first positioning hole and abuts against the elastic piece.

By adopting the scheme, the elastic piece can apply downward pushing force to the connecting shaft, so that the blade can be ensured to be attached to the cutter head tightly.

The utility model also provides a minced steak equipment, include as above minced steak logical subassembly.

Drawings

Fig. 1 is a schematic structural view of a meat mincing assembly according to a first embodiment of the present invention;

fig. 2 is an exploded view of a meat grinder assembly according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a cutter head according to a first embodiment of the present invention;

fig. 4 is a schematic structural view of a base according to a first embodiment of the present invention;

fig. 5 is a schematic cross-sectional structure view of a meat mincing assembly according to a first embodiment of the present invention;

FIG. 6 is an enlarged view of a portion A of FIG. 5;

fig. 7 is a schematic cross-sectional structure view of a first meat mincing pass shell according to the embodiment of the present invention;

fig. 8 is an exploded view of a screw assembly according to a first embodiment of the present invention;

fig. 9 is a schematic structural view of a cutter head according to a first embodiment of the present invention;

fig. 10 is a schematic structural view of a positioning connecting member according to a first embodiment of the present invention;

fig. 11 is a schematic structural view of a transmission connecting member according to a first embodiment of the present invention.

Wherein the reference numerals have the following meanings:

1-meat grinder shell, 11-meat grinder, 111-meat grinder cavity, 112-limiting rib, 113-external thread, 12-feeding part, 121-feeding channel, 13-first positioning hole, 2-screw rod component, 21-connecting shaft, 211-first positioning column, 212-polygonal connector, 22-spiral rib, 23-blade, 231-second positioning hole, 232-first connecting hole, 24-first gasket, 241-second positioning column, 25-positioning connecting piece, 251-second connecting hole, 26-transmission connecting piece, 261-third connecting hole, 27-screw, 3-base, 31-connecting part, 311-limiting protrusion, 312-internal thread, 32-containing cavity, 321-limiting ring protrusion, 33-meat grinding through cavity, 331-second mounting hole, 34-discharging part, 341-discharging channel, 4-cutter head, 41-meat outlet hole, 42-first mounting hole, 43-polygonal side wall, 5-elastic piece, 6-positioning sleeve, 7-sealing ring, 8-pressing sleeve.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example one

Referring to fig. 1 to 5, the present invention discloses a meat mincing assembly and a meat mincing device; specifically, in this embodiment, the meat grinder is the meat grinder, and this meat grinder includes the host computer subassembly, still includes like the meat grinder leads to the subassembly.

Further, in the present embodiment, the meat grinder assembly includes a meat grinder housing 1, a screw assembly 2, a cutter head 4, a positioning structure and a base 3; wherein the content of the first and second substances,

as shown in fig. 5 and 7, the meat mincing machine shell 1 comprises a meat mincing part 11 and a feeding part 12, wherein a feeding channel 121 penetrates through the feeding part 12 along the axial direction of the feeding part, a meat mincing cavity 111 is arranged in the meat mincing part 11, and the feeding channel 121 is communicated with the meat mincing cavity 111; preferably, the included angle between the central axis of the feeding channel 121 and the central axis of the meat mincing part 11 is greater than or equal to 30 degrees and less than or equal to 120 degrees, so as to facilitate the discharge of the material

As shown in fig. 4 and 5, the base 3 is divided into a connecting portion 31, an accommodating chamber 32 and a ground meat passing chamber 33 from top to bottom; the connecting part 31 is detachably connected with the meat mincing part 11; the accommodating cavity 32 and the ground meat passing cavity 33 are communicated with the ground meat cavity 111; specifically, the base 3 is further connected with a discharging part 34, the discharging part 34 is provided with a discharging channel 341 along the axial direction thereof, and the discharging channel 341 is communicated with the minced meat passing cavity 33; preferably, an included angle between the central axis of the discharging channel 341 and the central axis of the base 3 is greater than or equal to 30 degrees and less than or equal to 120 degrees.

As shown in fig. 3, 4 and 5, the cutter head 4 is arranged in the accommodating cavity 32 through a positioning structure, and realizes position fixing relative to the accommodating cavity 32;

as shown in fig. 2 and 5, the screw assembly 2 is disposed in the meat-mincing cavity 111 for mincing the material and can cooperate with the cutter head 4 to guide the minced material out to the minced meat passing cavity 33.

So, through above-mentioned scheme, the user can fix blade disc 4 in holding chamber 32 earlier when the assembly, assembles in base 3 with minced steak logical casing 1 again, compares in fixing blade disc 4 at minced steak logical casing 1, and blade disc 4 can avoid the condition that blade disc 4 and base 3 appear colliding because of gravity from the condition that minced steak logical casing 1 dropped during the assembly, has also avoided blade disc 4 and base 3 to appear colliding, has promoted assembly efficiency, has optimized user's use and has experienced.

Specifically, the cutter head 4 is provided with a plurality of meat outlet holes 41; it can be understood that when the meat mincing machine component is used by a user, the user puts materials into the feeding channel 121, the materials can enter the meat mincing cavity 111 through the feeding channel 121, after the main machine component is started, the screw rod component 2 is driven by the main machine component to rotate, and then the materials are stirred and crushed, so that a meat mincing function is completed, the materials after being stirred and crushed by the screw rod component 2 can be led out from the meat outlet hole 41 of the cutter head 4, the materials can be orderly and strip-shaped led out from the meat outlet hole 41 of the cutter head 4, and cannot directly fall into the minced meat passing cavity 33, so that the materials can be prevented from being directly thrown to the minced meat passing cavity 33; moreover, as more and more materials are used, the materials are pushed to move to the discharging channel 341 and are led out from the outlet of the discharging channel 341; so set up, can form a relatively inclosed minced steak environment, avoid at minced steak in-process material splash and cause the waste.

In the process, the positioning structure can fix the cutter head 4 in the accommodating cavity 32 all the time, the cutter head 4 cannot be dislocated or fall off, and the meat grinding efficiency is ensured.

Referring to fig. 3 and 4, further, in the present embodiment, the positioning structure includes a polygonal side wall 43 disposed on the peripheral side of the cutter head 4, the shape of the accommodating cavity 32 is matched with the polygonal side wall 43, and the polygonal side wall 43 and the side wall of the accommodating cavity 32 are abutted and matched with each other, so that the cutter head 4 can be stably fixed in the accommodating cavity 32, the positioning structure is simplified, the production and manufacturing are facilitated, and the cost is reduced; preferably, in order to provide sufficient support dynamics for blade disc 4, hold the protruding 321 of spacing ring still being equipped with of chamber 32, the top of the protruding 321 of spacing ring offsets with the bottom of blade disc 4, can realize the support to blade disc 4, further improves the steadiness that blade disc 4 set up in holding chamber 32.

Preferably, in this embodiment, the polygonal side wall 43 is a regular polygon, and is configured such that the cutter head 4 can be assembled in the accommodating cavity 32 from different positions, thereby reducing the time and difficulty in aligning the cutter head 4 with the accommodating cavity 32, making the assembly of the cutter head 4 easier, and further optimizing the use experience of the user.

As shown in fig. 2, further, in the present embodiment, the connection portion 31 is detachably connected to the bottom of the meat mincing portion 11, specifically, the outer side wall of the bottom of the meat mincing portion 11 is provided with the external thread 113, the inner side wall of the connection portion 31 is provided with the internal thread 312, the meat mincing portion 11 and the connection portion 31 are connected by the threads of the external thread 113 and the internal thread 312 to realize the detachable setting between the meat mincing pass casing 1 and the base 3, which is convenient for a user to detach and clean the meat mincing pass assembly.

Preferably, in this embodiment, the outer side wall of the connecting portion 31 is provided with a limiting protrusion 311, the meat mincing portion 11 is provided with a limiting rib 112 adapted to the limiting protrusion 311, when the meat mincing portion 11 is screwed to the connecting portion 31, the limiting protrusion 311 abuts against the limiting rib 112, and at this time, the meat mincing portion 11 and the connecting portion 31 are in a locking state, and importantly, by such an arrangement, a user can conveniently judge whether the meat mincing portion 11 and the connecting portion 31 are assembled in place by observing whether the limiting protrusion 311 and the limiting rib 112 abut together.

Referring to fig. 8, further, in the present embodiment, the screw assembly 2 includes a connecting shaft 21, a spiral rib 22 and a blade 23, wherein the connecting shaft 21 is driven by the host assembly to rotate, the spiral rib 22 is disposed on an outer surface of the connecting shaft 21, and the blade 23 is sleeved on the connecting shaft 21; specifically, in the present embodiment, the blade 23 and the connecting shaft 21 are both made of metal, and preferably, in order to further ensure the tightness between the blade 23 and the connecting shaft 21, a first gasket 24 is disposed between the blade 23 and the connecting shaft 21. Preferably, in the present embodiment, the connecting shaft 21 and the spiral rib 22 are integrally formed.

As shown in fig. 8 and 9, preferably, the blade 23 is provided with a second positioning hole 231, the first spacer 24 is provided with a second positioning post 241 matched with the second positioning hole 231, when assembling, the second positioning post 241 can be aligned and inserted into the second positioning hole 231 to assemble the first spacer 24 and the blade 23 together, and then the assembled first spacer 24 and the blade 23 are assembled on the connecting shaft 21, so as to facilitate the installation of a user, and improve the efficiency and stability of the assembly.

Specifically, the lower part of the connecting shaft 21 is provided with a polygonal connector 212, the central part of the blade 23 is provided with a first connecting hole 232 matched with the polygonal connector 212, and the blade 23 is stably assembled on the connecting shaft 21 through the matching of the polygonal connector 212 and the first connecting hole 232, so that the blade 23 can always stably rotate synchronously with the connecting shaft 21 to cut the material.

Referring to fig. 2 and 3, further, in the present embodiment, the cutter head 4 is provided with a first mounting hole 42 for inserting the connecting shaft 21, when assembling, a user can insert the connecting shaft 21 into the first mounting hole 42 to assemble the screw assembly 2 on the base 3, and then assemble the meat grinder shell 1 on the base 3 to complete the installation of the whole meat grinder assembly, so that the assembly of the meat grinder assembly is more convenient and labor-saving.

As shown in fig. 5 and 6, further, when the meat grinder assembly is assembled, the bottom of the blade 23 is in abutting fit with the top of the cutter head 4, so that the minced material can be orderly accumulated into the meat outlet hole 41 of the blade 23 in the rotation process of the blade 23, and the minced material can be accumulated into the minced meat passing cavity 33 by combining the pushing force of the spiral rib 22, so as to realize the propelling of the material; in the rotating process of the blade 23, because the polygonal side wall 43 and the accommodating cavity 32 are mutually abutted and matched, even if the blade 23 is abutted with the knife board, the cutter head 4 cannot rotate, and the normal work of the cutter head 4 is ensured.

As shown in fig. 8, 10 and 11, in particular, in the present embodiment, the connecting shaft 21 further includes a positioning link 25 and a transmission link 26; preferably, the positioning connector 25 is provided with a second connecting hole 251 adapted to the polygonal connector 212, the transmission connector 26 is provided with a third connecting hole 261 adapted to the polygonal connector 212, and the transmission connector 26 is inserted into the positioning connector 25, so that the positioning connector 25 and the transmission connector 26 can be assembled to the polygonal connector 212 together, further, the connecting shaft 21 further includes a screw 27, and the screw 27 can connect the transmission connector 26, the positioning connector 25 and the polygonal connector 212 into a whole from bottom to top.

Referring to fig. 4, 5 and 6, more specifically, in the embodiment, the meat mincing passing cavity 33 is provided with a second mounting hole 331, when the assembly of the meat mincing passing component is completed, the positioning connector 25 abuts against the bottom of the blade 23 and can be inserted into the first mounting hole 42, and the transmission connector 26 is inserted into the second mounting hole 331 and can be connected with the output end of the main machine component;

as shown in fig. 6, preferably, in order to prevent the leakage of the blood and the crushed material from the gap between the second mounting hole 331 and the transmission connector 26, a sealing ring 7 is disposed at the joint between the second mounting hole 331 and the transmission connector 26, so that the blood and the material can be effectively prevented from entering the main unit assembly from the second mounting hole 331, and the normal use of the main unit assembly is ensured; preferably, in order to prevent the sealing ring 7 from falling off or being misplaced, a pressing sleeve for pressing the sealing ring 7 is further embedded in the second mounting hole 331. 8

Further, as shown in fig. 5, in this embodiment, the meat grinder assembly further includes an elastic member 5, and the elastic member 5 is used for elastically keeping the blade 23 pressed against the cutter head 4, so as to ensure the working efficiency of the screw assembly 2 in cutting the material.

Please refer to fig. 5 and fig. 7, specifically, a first positioning post 211 is disposed at an end of the connecting shaft 21 away from the cutter head 4, a first positioning hole 13 matched with the positioning post is disposed in the meat-mincing machine casing 1, the elastic element 5 is disposed in the first positioning hole 13, the first positioning post 211 is rotatably disposed in the first positioning hole 13 and abuts against the elastic element 5, and in this way, the elastic element 5 applies a downward pushing force to the connecting shaft 21, so as to ensure that the blades 23 are tightly attached to the cutter head 4.

Further, in this embodiment, in order to avoid first registration arm 211 to produce the powder because of the friction when rotating first registration arm 13 relatively, the minced steak leads to the subassembly and still includes position sleeve 6, position sleeve 6 is cyclic annular and inlays and locate in first registration arm 13, first registration arm 211 rotates and locates in first registration arm 6, make first registration arm 211 and first registration arm 13 can not direct contact, can eliminate the powder that produces because of first registration arm 211 and the direct contact of first registration arm 13, then can not have the powder to fall in the material in minced steak cavity 111, can improve the quality of the material after the stirring.

Preferably, in this embodiment, after cleaning each component of the meat grinder assembly, the meat grinder assembly may be assembled by:

firstly, the cutter head 4 is fixed in the accommodating cavity 32 through the matching of the polygonal side wall 43 and the accommodating cavity 32;

then, the first shim 24 and the blade 23 are assembled together and assembled to the connecting shaft 21 together, wherein the blade 23 is inserted into the polygonal connecting head 212;

then, the positioning connector 25 and the transmission connector 26 are assembled together and are assembled to the polygonal connector 212 together;

then, screws 27 are screwed in from the bottom of the transmission connector 26, so that the positioning connector 25 and the transmission connector 26 are more firmly fixed on the polygonal connector 212; thus, the assembly of the screw assembly 2 is completed;

then, the assembled screw assembly 2 is inserted into the first mounting hole 42, wherein the positioning connecting piece 25 is inserted into the first mounting hole 42, and the transmission connecting piece 26 is inserted into the second mounting hole 331 and can be connected with the output end of the host assembly;

then, the positioning sleeve 6 is embedded into the first positioning hole 13 of the meat grinding through shell 1, and the elastic piece 5 is embedded into the positioning sleeve 6;

finally, the meat mincing machine shell 1 is gradually screwed into the base 3 through the matching of the external thread 113 and the internal thread 312, and the first positioning column 211 is inserted into the positioning sleeve 6 until the limiting protrusion 311 and the limiting rib 112 are abutted, so that the whole meat mincing machine component is assembled.

So, through above-mentioned scheme for the operation of user's assembly minced steak logical subassembly is convenient more and more laborsaving.

Example two

The difference between the embodiment and the first embodiment is that the positioning structure comprises positioning blocks and positioning grooves, and the positioning blocks and the positioning grooves correspond to each other one by one and are mutually clamped and matched; the positioning block is arranged on the outer side wall of the cutter head 4 and/or the inner side wall of the accommodating cavity 32; the positioning groove is arranged on the inner side wall of the accommodating cavity 32 and/or the outer side wall of the cutter head 4.

Therefore, the cutter head 4 is fixed in the accommodating cavity 32 through the matching of the positioning block and the positioning groove, the cutter head 4 can be prevented from rotating, and the cutter head has the advantages of simple structure, easy function realization, low manufacturing cost and the like.

To sum up, the utility model provides a minced steak leads to subassembly and minced steak equipment has following technological effect at least:

1) When the cutter head 4 is fixed in the accommodating cavity 32 through the positioning structure, and then the meat grinder shell 1 is assembled on the base 3, compared with the case that the cutter head 4 is fixed on the meat grinder shell 1, the situation that the cutter head 4 falls off from the meat grinder shell 1 due to gravity during assembly can be avoided, the assembly efficiency is improved, and the use experience of a user is optimized;

2) The polygonal side wall 43 and the accommodating cavity 32 are mutually abutted and matched, so that the cutter head 4 can be stably fixed in the accommodating cavity 32, the structure is simple, the function is easy to realize, and the research and development cost and the manufacturing cost are reduced;

3) The polygonal side wall 43 is in a regular polygon shape, so that the cutter head 4 can be assembled in the accommodating cavity 32 from different positions, the time and difficulty for aligning the cutter head 4 with the accommodating cavity 32 are reduced, the assembly of the cutter head 4 is easier, and the use experience of a user is further optimized;

4) The top of the limiting ring protrusion 321 abuts against the bottom of the cutter head 4, so that the cutter head 4 can be supported, and the stability of the cutter head 4 in the accommodating cavity 32 is further improved.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims (10)

1. A meat grinder assembly, comprising:

the meat mincing machine comprises a meat mincing through shell (1), wherein a meat mincing cavity (111) is arranged in the meat mincing through shell (1); and

the screw rod component (2) is arranged in the minced meat cavity (111); and

the base (3) is connected to the meat mincing through shell (1), an accommodating cavity (32) is formed in the base (3), and the accommodating cavity (32) is communicated with the meat mincing cavity (111); and

a cutter head (4) and a positioning structure;

the cutter head (4) is arranged in the accommodating cavity (32) through the positioning structure, and the position fixation of the accommodating cavity (32) is realized.

2. The meat grinder assembly of claim 1, wherein the positioning structure comprises a positioning block and a positioning groove, and the positioning block and the positioning groove are in one-to-one correspondence and are in clamping fit with each other;

the positioning block is arranged on the outer side wall of the cutter head (4) and/or the inner side wall of the accommodating cavity (32);

the locating slot is arranged on the inner side wall of the accommodating cavity (32) and/or the outer side wall of the cutter head (4).

3. Meat grinder assembly according to claim 1, wherein the positioning means comprise a polygonal lateral wall (43) arranged on the peripheral side of the cutterhead (4), the housing chamber (32) being adapted to the polygonal lateral wall (43), the polygonal lateral wall (43) being against the lateral wall of the housing chamber (32).

4. Minced-meat subassembly according to claim 3, characterized in that the polygonal side wall (43) is in the shape of a regular polygon.

5. Minced steak subassembly according to claim 3, characterized in that the receiving cavity (32) is provided with a stop collar projection (321), the bottom of the cutterhead (4) abutting against the stop collar projection (321).

6. A meat grinder assembly according to claim 1, characterized in that the base (3) comprises a connecting portion (31), the connecting portion (31) being detachably connected to the meat grinder housing (1).

7. A meat grinder assembly according to any of claims 1 to 6, wherein the screw assembly (2) comprises a connecting shaft (21), a spiral rib (22) and a blade (23), the spiral rib (22) being provided on the outer surface of the connecting shaft (21); the blade (23) is sleeved on the connecting shaft (21) and is positioned between the spiral rib (22) and the cutter head (4); the cutter head (4) is provided with a first mounting hole (42) for the connecting shaft (21) to be inserted into.

8. A meat grinder assembly according to claim 7, characterized in that it further comprises an elastic member (5), said elastic member (5) being adapted to elastically keep the blades (23) pressed against the cutterhead (4).

9. A meat grinder assembly according to claim 8, characterized in that the end of the connecting shaft (21) remote from the cutter head (4) is provided with a first positioning post (211), and the meat grinder housing (1) is provided with a first positioning hole (13) matching the first positioning post (211);

the elastic piece (5) is arranged in the first positioning hole (13), and the first positioning column (211) is rotatably arranged in the first positioning hole (13) and is abutted to the elastic piece (5).

10. A meat mincing device comprising the meat mincing assembly according to any one of claims 1 to 9.

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