CN113080723A

CN113080723A - Grinding machine core and grinding head used by same

Info

Publication number: CN113080723A
Application number: CN202110390385.7A
Authority: CN
Inventors: 张超
Original assignee: Ningbo Chefshere Kitchen Technology Co ltd
Current assignee: Ningbo Chefshere Kitchen Technology Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-07-09
Anticipated expiration: 2041-04-12
Also published as: CN113080723B

Abstract

The invention discloses a grinding machine core, which comprises a male grinding head (5) and a female grinding head (4), wherein the inner peripheral wall of the female grinding head (4) is provided with a first grinding tooth (2) with a plurality of spiral tooth lines, the cross section of the first grinding tooth (2) is of a triangular structure, the length of a triangular first tooth edge (12) is greater than that of a triangular second tooth edge (15), the length of the first tooth edge (12) is two times or more than the height of a full tooth, the inner wall of the other end of the female grinding head (4) is provided with a horn-shaped chambering (16), and the axial length of the chambering (16) is less than or equal to the axial length of the female grinding head (4) of 1/2; a grinding head comprising a housing (1), and further comprising a grinding cartridge according to any one of the preceding claims disposed within the housing (1). Compared with the prior art, the grinding method has the characteristics of suitability for grinding the oily small granules, good grinding effect and good use stability.

Description

Grinding machine core and grinding head used by same

Technical Field

The invention relates to the field of kitchen grinders, in particular to a grinder core and a grinding head used by the grinder core.

Background

Most seasonings used in daily life have a blocky or granular original structure, such as salt, pepper and the like. With the development of industrial technology, people use large-scale instruments to grind raw seasonings into powder and then sell the powder for use. Compared with granular or block seasonings, the powdery seasoning is more convenient to use and has stronger taste, but the powdery seasoning is easier to absorb moisture, is not easy to store for a long time, is easy to lose the taste and also influences the mouthfeel. The solution to this problem is to grind the raw seasoning into powder in real time at the site of seasoning use, which is the initial requirement of a grinder.

The household grinder mainly comprises a bottle body for containing seasonings to be ground and a grinder arranged on the outlet of the bottle body. The grinder is mainly a grinding head in front of the grinder, a grinding machine core plays a grinding role in the grinding head, and the grinding machine core usually comprises a male grinding head and a female grinding head; the female grinding head is of an annular structure, and the inner peripheral wall of the female grinding head is provided with grinding teeth formed by unevenness; the male grinding head can rotate relative to the female grinding head, the male grinding head is arranged in the annular structure, a gap is reserved between the male grinding head and the female grinding head, the gap is a passage for grinding and discharging seasonings, and the granularity of ground powder is also determined by the size of the gap; of course, the outer peripheral wall of the male grinding head is also uneven to form grinding teeth matched with the grinding teeth on the female grinding head.

At present, the existing grinding machine core mainly aims at harder particles such as salt, pepper and the like, so as shown in fig. 1, grinding teeth on a male grinding head and a female grinding head are fine, and if the particles such as sesame, flaxseed and the like are relatively small, and when oily particles are ground, the particles are easily ground to be over-fine, and under the action of oily substances, the particles after grinding are easily adhered to each other, and the particles are easily adhered to each other in gaps between the grinding teeth, so that the subsequent grinding effect is poor, even the whole unground material drops, and the use stability is poor.

Disclosure of Invention

The invention aims to solve the technical problem of providing a grinding machine core which is suitable for grinding oily small particles, and has good grinding effect and good use stability.

The technical scheme adopted by the invention for solving the technical problems is as follows: a grinding machine core comprises a male grinding head and a female grinding head, wherein the male grinding head is rotationally matched in the female grinding head, and second grinding teeth with a plurality of spiral tooth lines are arranged on the outer peripheral wall of the male grinding head; the inner peripheral wall of the female grinding head is provided with first grinding teeth with a plurality of spiral tooth lines, the male grinding head is rotationally matched with the female grinding head to form a plurality of discharge ports at one end of the female grinding head, and the size of one side of each discharge port is larger than that of the other side of each discharge port; and a horn-shaped reaming hole is arranged on the inner wall of the other end of the female grinding head, and the axial length of the reaming hole is less than or equal to 1/2.

Further, the discharge hole is of a triangular or trapezoidal or drop-shaped structure; with the structure, the tooth processing is relatively simple, the processing cost is reduced on the premise of ensuring the grinding effect, and the processing efficiency is improved.

Furthermore, the cross section of the first grinding tooth is of a triangular structure, the length of a first tooth edge of the triangle is greater than that of a second tooth edge of the triangle, and the length of the first tooth edge is one time or more than one time of the height of the full tooth; after setting up like this, first grinding tooth just can form required discharge gate with current public bistrique cooperation for the cost of improving current product is lower, and the processing degree of difficulty of first grinding tooth is also lower relatively simultaneously, and machining efficiency is also just higher.

Further, the pitch of the second grinding teeth is 2-5 times of the height of the full teeth; after setting up like this, make the compressive plane between public bistrique and the female bistrique bigger, it is better to the crushing effect of the extrusion of oily tiny particle, is unlikely to make oily tiny particle ground again simultaneously and tiny and the adhesion is in grinding the clearance under the effect of grease to guarantee to grind the effect.

Furthermore, a horn-shaped reaming hole is formed in the inner wall of the upper end of the female grinding head, and the first grinding teeth extend into the reaming hole; the axial length of the reaming hole and the axial thickness of the female grinding head are 1: 3-6, and the guide angle of the reaming hole is 5-60 degrees; then after setting up like this, the reaming section is shorter relatively, and the angle of guidance is more reasonable relatively to can reduce the volume that oily tiny particle got into the grinding clearance in the unit interval, guarantee grinding efficiency, otherwise reaming section overlength, then can lead to getting into the volume that grinds the clearance too much, and make partial oily tiny particle just drop from grinding the clearance for grinding, thereby influence the result of use.

Furthermore, a scraping sheet for scraping off viscous materials at the lower end of the female grinding head is arranged at the lower end of the male grinding head; because the oil tiny particle has the grease to ooze after grinding for there is certain suspension phenomenon at the material of discharge end after can grinding, then after the doctor-bar sets up, the doctor-bar can in time strike off the material that hangs and drop, prevents its influence to follow-up grinding, has still played the effect to the material cutting, makes by the squashed material cut off, has improved the continuity of ejection of compact, makes user's use experience better.

Further, the scraping blade and the male grinding head are of an integrated structure; the die is integrally formed, so that the number of parts can be reduced, the assembly time is shortened, the die, the storage and the transportation cost are saved, and the production cost is further reduced.

Furthermore, the scraping sheet is positioned on the outer peripheral surface of the lower end of the male grinding head and is of a trapezoidal structure; the structure makes the structure of the die simpler, the die is easier to be demolded, the success rate of demolding is improved, the defective rate is reduced, and the normal up-and-down adjustment of the male grinding head is not influenced.

Further, the second grinding teeth extend from the upper end of the male grinding head to the lower end of the male grinding head; then after setting up like this for the extrusion and the guide effect of the material that the grinding clearance was entered into to the public bistrique are better, and also discharge the material after grinding in the grinding clearance more easily when changing in the grinding clearance of impressing the material, and result of use and use experience degree are better.

Further, the first tooth edge is of an inwards concave arc structure; after setting up like this, under the prerequisite of guaranteeing the grinding effect, the shaping of first grinding tooth is more convenient, can reduce the drawing of patterns degree of difficulty, and then improves production efficiency, reduction in production cost.

A grinding head comprises a shell and the grinding machine core arranged in the shell.

Compared with the prior art, the size of one side of the discharge port is larger than that of the other side of the discharge port, the small oily particles are squeezed and ground on the smaller side and then are brought to the larger side to fall off, so that the small oily particles are not easy to be fine but relatively large, the grease can be squeezed out in the process to emit fragrance (for the small oily particles such as sesame, flaxseed and the like, the particles are relatively small, and are mainly used for blending fragrance when in use, so that only part of grease is required to be squeezed to permeate to generate fragrance), and the flat and relatively large particles are easy to squeeze the ground materials downwards when being squeezed downwards, so that the materials are not easy to adhere and block in the grinding gap, and the situation of seasoning jamming can be effectively prevented; simultaneously the reaming of tubaeform, and the female bistrique axial length of reaming axial length less than or equal to 1/2 for the volume of feeding receives the restriction of reaming, and feed rate receives the restriction of length, then control feeding volume and feed rate that can be better, prevents that the feeding is too much and lead to blockking up, and then makes grinding effect better, and stability in use is also better, is suitable for the grinding of oily small granules material.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a schematic diagram of a prior art lapping cartridge;

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

figure 3 is a cross-sectional view of a female grinding head of an embodiment of the grinder assembly of the present invention;

figure 4 is a bottom view of a first embodiment of an abrasive cartridge in accordance with the present invention;

figure 5 is an exploded view of a second embodiment of an abrasive cartridge in accordance with the present invention;

fig. 6 is a schematic structural view of a three-male grinding head of an embodiment of the grinding core of the present invention;

fig. 7 is a schematic structural view of four male grinding heads of an embodiment of the grinding core of the present invention;

figure 8 is a schematic diagram of a fifth embodiment of an abrasive cartridge in accordance with the present invention;

FIG. 9 is a schematic view of the polishing head of the present invention.

Wherein the reference numerals are specified as follows: 1. a housing; 2. a first grinding tooth; 3. a connecting rod; 4. a female grinding head; 5. a male grinding head; 6. adjusting a knob; 7. a threaded portion; 8. a second grinding tooth; 9. a shaft sleeve; 10. a return spring; 11. a first limit protrusion; 12. a first tooth edge; 13. a through hole; 14. a second limit bulge; 15. a second tooth edge; 16. reaming; 17. scraping a blade; 18. a connecting ring; 19. a clamp spring; 20. and (4) a discharge port.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, the above terms should not be construed as limiting the present invention.

Example one

As shown in fig. 2 to 4, a grinding machine core comprises a male grinding head 5 and a female grinding head 4, wherein the female grinding head 4 is of an annular structure, the male grinding head 5 is of a structure similar to a circular truncated cone, the male grinding head 5 is rotationally matched in the female grinding head 4, and the lower end part of the male grinding head 5 is positioned on the outer side of the female grinding head 4; the peripheral wall of the male grinding head 5 is provided with a plurality of second grinding teeth 8 with spiral tooth lines, namely the tooth lines of the second grinding teeth 8 are in a spiral structure; the inner peripheral wall of the female grinding head 4 is provided with a plurality of first grinding teeth 2 with spiral tooth lines, namely the tooth lines of the first grinding teeth 2 are in a spiral structure; the male grinding head 5 is rotationally matched with the female grinding head 4 to form a plurality of discharge ports 20 at the discharge end, the size of one side of each discharge port 20 is larger than that of the other side of each discharge port 20, and arc transition or smooth transition is formed from one side of each discharge port 20 to the other side of each discharge port 20, so that the materials move smoothly in a grinding gap, and the situation that the materials are ground to be too thin is reduced; the discharge port 20 is triangular.

The cross section of the first grinding tooth 2 is of a triangle-like structure, the length of a triangular first tooth edge 12 is greater than that of a triangular second tooth edge 15, and the length of the first tooth edge 12 is two times or more (in this case, five times) the height of the full tooth; the first grinding tooth 2 can also be understood as a step-tooth-like shape.

The second grinding teeth 8 extend from the upper end of the male grinding head 5 to the lower end of the male grinding head 5.

Example two

As shown in fig. 5, the pitch of the second grinding teeth 8 is 2-5 times (3 times in this example) the total tooth height, and the bottom surface of the tooth space between the adjacent second grinding teeth 8 is an arc surface, so that the material is more easily guided in and out after the arc surface is set, the grinding gap is not easily blocked, and the use effect of grinding is improved.

A horn-shaped reaming hole 16 is formed in the inner wall of the upper end of the female grinding head 4, and the first grinding teeth 2 extend into the reaming hole 16; the axial length of the counterboring 16 and the axial thickness of the female grinding head 4 are 1: 3-6 (1: 4 in the present example), and the guide angle of the counterboring 16 is 5-60 degrees (20 degrees in the present example).

The rest of the structure is the same as the first embodiment.

EXAMPLE III

The pitch of the second grinding teeth 8 is 2-5 times (2 times in this example) of the full tooth height, and the bottom surface of the tooth space between the adjacent second grinding teeth 8 is an arc-shaped surface, so that after the arc-shaped surface is arranged, materials are more easily guided in and out, the grinding gap is not easy to block, and the use effect of grinding is improved. The discharge port 20 is of a drop-shaped structure.

A horn-shaped reaming hole 16 is formed in the inner wall of the upper end of the female grinding head 4, and the first grinding teeth 2 extend into the reaming hole 16; the axial length of the counterboring 16 and the axial thickness of the female grinding head 4 are 1: 3-6 (1: 6 in this example), and the guide angle of the counterboring 16 is 5-60 degrees (5 degrees in this example).

As shown in fig. 6, the lower end of the male grinding head 5 is provided with a scraping blade 17 for scraping off the viscous materials at the lower end of the female grinding head 4, the scraping blade 17 plays a role of hanging down the materials and also plays a role of cutting the materials, the scraping blade 17 is one, the scraping blade 17 is positioned on the outer peripheral surface of the lower end of the male grinding head 5, the scraping blade 17 is in a trapezoidal structure, and the upper end surface of the scraping blade 17 abuts against the lower end surface of the female grinding head 4 after assembly; the scraping plate 17 and the male grinding head 5 are of an integrated structure, and the male grinding head 5 is made of ceramic materials, so that the male grinding head and the scraping plate 17 are formed and then fired together during blank forming, the number of parts can be reduced, the assembly time is shortened, the cost of a die, storage and transportation is saved, and the production cost is further reduced.

The first tooth edge 12 is of an inwards concave arc-shaped structure, so that when a blank is molded and demoulded, the transition part of the first tooth edge 12 and the adjacent second tooth edge 15 is easy to demould, demoulding defects are not easy to occur after demoulding, and the demoulding yield is improved.

The rest of the structure is the same as the first embodiment.

Example four

The pitch of the second grinding teeth 8 is 2-5 times (5 times in this example) of the full tooth height, and the bottom surface of the tooth space between the adjacent second grinding teeth 8 is an arc-shaped surface, so that after the arc-shaped surface is arranged, materials are more easily guided in and out, the grinding gap is not easy to block, and the use effect of grinding is improved. The discharge port 20 has a trapezoidal structure.

A horn-shaped reaming hole 16 is formed in the inner wall of the upper end of the female grinding head 4, and the first grinding teeth 2 extend into the reaming hole 16; the axial length of the counterboring 16 and the axial thickness of the female grinding head 4 are 1: 3-6 (1: 5 in this example), and the guide angle of the counterboring 16 is 5-60 degrees (30 degrees in this example).

As shown in fig. 7, the lower end of the male grinding head 5 is provided with two scraping sheets 17 for scraping off the viscous materials at the lower end of the female grinding head 4, the two scraping sheets 17 are positioned on the outer peripheral surface of the lower end of the male grinding head 5, the two scraping sheets 17 are uniformly distributed on the outer peripheral surface of the lower end of the male grinding head 5, the scraping sheets 17 are in a trapezoidal structure, and the upper end surface of the scraping sheet 17 abuts against the lower end surface of the female grinding head 4 after assembly; the wiper blade 17 is of an integral construction with the male grinding head 5.

The rest of the structure is the same as the first embodiment.

EXAMPLE five

The pitch of the second grinding teeth 8 is 2-5 times (3 times in this example) of the full tooth height, and the bottom surface of the tooth space between the adjacent second grinding teeth 8 is an arc-shaped surface, so that after the arc-shaped surface is arranged, materials are more easily guided in and out, the grinding gap is not easy to block, and the use effect of grinding is improved.

A horn-shaped reaming hole 16 is formed in the inner wall of the upper end of the female grinding head 4, and the first grinding teeth 2 extend into the reaming hole 16; the axial length of the counterboring 16 and the axial thickness of the female grinding head 4 are 1: 3-6 (1: 3 in this example), and the guide angle of the counterboring 16 is 5-60 degrees (5 degrees in this example).

As shown in fig. 8, the lower end of the male grinding head 5 is provided with four scraping sheets 17 for scraping off the viscous materials at the lower end of the female grinding head 4, the efficiency of the four scraping sheets 17 is higher, so that the ground materials fall more timely, the using effect is better, the four scraping sheets 17 are positioned on the outer peripheral surface of the lower end of the male grinding head 5, the four scraping sheets 17 are uniformly distributed on the outer peripheral surface of the lower end of the male grinding head 5, the scraping sheets 17 are in a trapezoidal structure, and the upper end surface of the scraping sheet 17 abuts against the lower end surface of the female grinding head 4 after assembly; the wiper blade 17 is of an integral construction with the male grinding head 5.

The rest of the structure is the same as the first embodiment.

Another embodiment

As shown in fig. 9, a grinding head comprises a housing 1, and further comprises a connecting rod 3, a female grinding head 4, the housing 1, a male grinding head 5, an adjusting knob 6 and a connecting ring 18 arranged in the housing 1, wherein one end of the connecting rod 3 is integrally formed with the connecting ring 18, so that the connecting stability of the connecting ring 18 and the connecting rod 3 is good after arrangement, the number of parts can be reduced, the assembly efficiency of workers is improved, and the production cost is reduced, and the other end of the connecting rod 3 is provided with a thread part 7; the female grinding head 4 is rotatably connected with the lower end of the connecting part 2 through the shell 1, and the shell 1 drives the female grinding head 4 to rotate, so that the female grinding head 4 rotates relative to the male grinding head 5, and the aim of grinding seasoning is fulfilled; the female grinding head 4 is limited in the shell 1 by a clamp spring 19; the male grinding head 5 is connected to the connecting rod 3 in a sliding mode through a shaft sleeve 9, the male grinding head 5 and the shaft sleeve 9 and the connecting rod 3 are circumferentially limited, and a return spring 10 is arranged between the male grinding head 5 and the lower end of the connecting ring 18; the return spring 10 is a conical spring, the conical spring is sleeved on the connecting rod 3, the small-diameter end of the conical spring abuts against the connecting ring 18, the large-diameter end of the conical spring abuts against the upper end face of the male grinding head 5, and an indent for increasing the stability of the large-diameter end of the conical spring is arranged on the upper end face of the male grinding head 5, so that seasoning is not easy to accumulate on the conical spring after setting, and the use stability of the conical spring is ensured;

the adjusting knob 6 is screwed on the thread part 7 of the connecting rod 3, the upper end of the adjusting knob 6 is abutted on the lower end surface of the shaft sleeve 9, the adjustable male grinding head 5 can move up and down, and the outer wall of the adjusting knob 6 is provided with concave-convex anti-skid lines, so that force application during adjustment is facilitated during use; the lower end of the shaft sleeve 9 is provided with a radial first limiting bulge 11 for limiting the lower end of the male grinding head 5, the male grinding head 5 is provided with an axial through hole 13, the shaft sleeve 9 is inserted into the through hole 13, the upper end of the shaft sleeve 9 is positioned outside the through hole 13, the upper end of the shaft sleeve 9 is provided with a second limiting bulge 14 for limiting the upper end of the male grinding head 5, in order to ensure that the upper end of the shaft sleeve 9 is easier to enter and exit the through hole 13, namely to pass through the through hole 13 to realize the clamping effect, the upper end of the shaft sleeve 9 is provided with an opening for increasing the elastic deformation of the shaft sleeve, so that the shaft sleeve 9 and the male grinding; the through hole 13 is a square hole, the peripheral wall of the shaft sleeve 9 is of a square structure matched with the through hole 13, and the shaft sleeve 9 can be molded by plastic instead of using metal materials as the connecting rod 3, so that the elastic deformation of the shaft sleeve 9 is large, the requirement on the dimensional tolerance of the through hole 13 of the ceramic male grinding head 5 is low, the production efficiency and the yield of the male grinding head 5 are improved, and the production cost is reduced;

a spring is arranged between the upper end face of the first limiting protrusion 11 and the lower end face of the male grinding head 5, under the action of the spring, once the axial force borne by the male grinding head 5 is larger than the elastic force of the spring, the male grinding head 5 can move downwards for one end distance, so that the gap between the male grinding head 5 and the female grinding head 4 is enlarged, the male grinding head 5 has an upward force on the seasoning under the action of the spring, large and hard seasonings or the seasonings retained and agglomerated are squeezed out of the gap between the male grinding head 5 and the female grinding head 4 upwards, normal grinding is guaranteed, and when the male grinding head 5 moves downwards to return, an impact effect is further achieved on the seasoning, the large and hard seasonings or the seasonings retained and agglomerated are crushed easily, and the efficiency of subsequent grinding can be guaranteed.

The present invention has been described in detail, and the principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist in understanding the present invention and the core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A grinder deck, characterized in that: the grinding wheel comprises a male grinding head (5) and a female grinding head (4), wherein the male grinding head (5) is rotationally matched in the female grinding head (4), and second grinding teeth (8) with a plurality of spiral tooth lines are arranged on the outer peripheral wall of the male grinding head (5); the inner peripheral wall of the female grinding head (4) is provided with a plurality of first grinding teeth (2) with spiral tooth lines; the male grinding head (5) is rotationally matched with the female grinding head (4) to form a plurality of discharge holes (20) at one end of the female grinding head (4), and the size of one side of each discharge hole (20) is larger than that of the other side of each discharge hole (20); and a horn-shaped reaming hole (16) is formed in the inner wall of the other end of the female grinding head (4), and the axial length of the reaming hole (16) is less than or equal to 1/2.

2. Abrasive movement according to claim 1, characterized in that: the discharge hole (20) is of a triangular or trapezoidal or water-drop-shaped structure.

3. Abrasive movement according to claim 1, characterized in that: the cross section of the first grinding tooth (2) is of a triangular structure, the length of a triangular first tooth edge (12) is greater than that of a triangular second tooth edge (15), and the length of the first tooth edge (12) is one time or more of the height of a full tooth.

4. Abrasive movement according to claim 1, characterized in that: the pitch of the second grinding teeth (8) is 2-5 times of the height of the full teeth.

5. Abrasive movement according to claim 1, characterized in that: the first grinding tooth (2) extends into the counterbore (16); the axial length of the counterbores (16) and the axial thickness of the female grinding head (4) are 1: 3-6, and the guide angle of the counterbores (16) is 5-60 degrees.

6. A grinder deck according to claim 1 or 3, wherein: the lower end of the male grinding head (5) is provided with a scraping blade (17) for scraping viscous materials at the lower end of the female grinding head (4).

7. An abrasive cartridge according to claim 6, wherein: the scraping piece (17) is positioned on the outer peripheral surface of the lower end of the male grinding head (5); the scraping blade (17) and the male grinding head (5) are of an integrated structure.

8. Abrasive movement according to claim 1 or 4, characterized in that: the second grinding teeth (8) extend from the upper end of the male grinding head (5) to the lower end of the male grinding head (5).

9. Abrasive movement according to claim 1, characterized in that: the first tooth edge (12) is of an inwards concave arc structure.

10. A grinding head comprising a housing (1), characterized in that: a grinder assembly according to any one of claims 1 to 9, further comprising a housing (1) in which the grinder assembly is disposed.