CN211432458U

CN211432458U - Portable manual grinder

Info

Publication number: CN211432458U
Application number: CN201921906237.0U
Authority: CN
Inventors: 黄冠; 游永胜; 柯国辉; 蔡国锴
Original assignee: Shenzhen Hongguan Mechatronics Co ltd; Zhangzhou Pientzehuang Pharmaceutical Co Ltd
Current assignee: Zhangzhou Pientzehuang Pharmaceutical Co Ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-09-08
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a portable manual mill. The grinding device comprises a grinding cylinder, an inner ring tooth cutter arranged in the grinding cylinder, a cup sleeve cover rotationally sleeved on a top port of the grinding cylinder, a cup sleeve seat sleeved on a bottom port of the grinding cylinder and an outer ring tooth cutter rotationally erected in the grinding cylinder; the top end of the outer ring gear cutter is connected with the cup cover in a clamping manner, and a discharge channel is formed between the wall surface of the cutting edge of the outer ring gear cutter and the wall surface of the cutting edge of the inner ring gear cutter. The utility model is in the structure of a cup body as a whole, and the detachable connection among the grinding cylinder, the cup sleeve cover and the cup sleeve seat is utilized, thereby not only greatly enhancing the portability of the grinder, but also facilitating the addition of raw materials, the taking of the ground materials and the cleaning and maintenance of internal components; meanwhile, the grinding treatment of the materials can be realized by utilizing a clamping connection structure between the cup sleeve cover and the outer ring gear cutter and the relative rotation relationship between the outer ring gear cutter and the grinding cylinder as well as between the outer ring gear cutter and the inner ring gear cutter.

Description

Portable manual grinder

Technical Field

The utility model belongs to the technical field of articles for daily use technique and specifically relates to a portable manual mill.

Background

For the consumption or use of fine or powdery substances such as medicines, spices, condiments, coffee, etc., one typically subjects the raw particulate matter to a grinding process. The traditional grinding mode is generally that pigment particles are treated by manual operation means such as hammering, knocking and the like by using a tool; with the advent of grinding appliances such as a soybean milk grinder, a coffee grinder, etc., the efficiency and quality of grinding of articles are greatly improved; however, the existing grinding tools generally have the problems of complex structure, high purchase and use cost, poor portability, limited application scenes, poor grinding quality and the like.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art existence, the utility model aims to provide a portable manual mill.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a portable manual grinder comprises a grinding cylinder, an inner ring gear cutter arranged in the grinding cylinder, a cup cover coaxially and rotatably sleeved on a top port of the grinding cylinder, a cup cover seat coaxially sleeved on a bottom port of the grinding cylinder, and an outer ring gear cutter rotatably erected in the grinding cylinder and coaxially distributed with the inner ring gear cutter; the top end of the outer annular tooth cutter is connected with the cup cover in a clamping mode, and a discharging channel is formed between the wall surface of the cutting edge of the outer annular tooth cutter and the wall surface of the cutting edge of the inner annular tooth cutter.

Preferably, the outer ring gear cutter comprises an inner shaft cutter bar which is rotatably erected in the grinding cylinder and the top end of which is in clamping connection with the cup cover, an outer tooth cutter head which is sleeved on the bottom end part of the inner shaft cutter bar and is partially or completely located within the outline range of the inner ring gear cutter, and an adjusting knob which is in threaded sleeve connection with the bottom end part of the inner shaft cutter bar and is abutted against the bottom surface of the outer tooth cutter head, and the material discharge channel is formed between the outer tooth cutter head and the inner ring gear cutter.

Preferably, the axial cross-sectional shape of the inner ring space at the upper end of the inner ring tooth cutter is an inverted trapezoid-like shape, the axial cross-sectional shape of the inner ring space at the lower end of the inner ring tooth cutter is a right-handed trapezoid-like shape, and the axial cross-sectional shape of the external tooth cutter head is a right-handed trapezoid-like shape and is partially or completely located in the space at the lower end of the inner ring tooth cutter.

Preferably, a positioning sleeve and a plurality of supporting arms are arranged in the top end part of the grinding cylinder, the positioning sleeve is used for enabling the top end part of the inner shaft cutter bar to penetrate through and distribute, the supporting arms are distributed along the radial direction of the grinding cylinder and connect the positioning sleeve and the inner peripheral wall of the grinding cylinder into a whole; the outer ring gear cutter also comprises at least one inner shaft bearing which is inserted into the positioning sleeve and is rotationally connected with the inner shaft cutter bar, and a buffer spring which is sleeved on the inner shaft cutter bar, the top end of the buffer spring is propped against the bottom surface of the inner shaft bearing, and the bottom end of the buffer spring is propped against the top surface of the outer tooth cutter head.

Preferably, the radial end face of the adjusting knob, which abuts against the bottom surface of the external tooth cutter head, is provided with at least one eccentric positioning protrusion, and the bottom surface of the external tooth cutter head is provided with a plurality of eccentric positioning locking grooves which are distributed around the inner shaft cutter bar and are used for the eccentric positioning protrusions to be aligned and embedded.

Preferably, the grinding device also comprises a feeding isolation plate which is sleeved on the inner shaft cutter bar and is positioned in the grinding cylinder, the bottom surface of the feeding isolation plate is abutted against the supporting arm, and the feeding isolation plate is provided with at least one feeding hole which is eccentrically distributed with the inner shaft cutter bar.

Preferably, interior ring tooth cutter includes that an periphery wall and the inner peripheral wall of grinding vessel are attached internal ring sword and a screw thread plug bush are the outer sword holding ring of coaxial distribution in the grinding vessel and internal ring sword, it is protruding to be formed with the spacing fender that is used for offsetting with the top terminal surface of internal ring sword in the grinding vessel, internal ring sword centre gripping is between protruding and the outer sword holding ring of spacing fender.

Preferably, the cup cover comprises an axial limiting sleeve cover which is sleeved on the top end opening of the grinding cylinder and is in clamping connection with the top end of the inner shaft cutter bar in the central area of the radial end face, and a cup body end cover which is located on the top end side of the axial limiting sleeve cover and is in threaded insertion connection with the axial limiting sleeve cover, and a storage chamber is formed between the axial limiting sleeve cover and the cup body end cover.

Preferably, a polygonal insertion hole is formed in the central area of the radial end face of the axial limiting sleeve cover, and the shape of the radial cross section of the top end of the inner shaft cutter bar is matched with the shape of the polygonal insertion hole.

Due to the adoption of the scheme, the utility model has the structural form of integrally forming a cup body, and the detachable connection among the grinding cylinder, the cup sleeve cover and the cup sleeve seat is utilized, so that the portability of the grinder is greatly enhanced, and the addition of raw materials, the taking of the ground materials and the cleaning and maintenance of internal components are facilitated; meanwhile, the grinding treatment of the materials can be realized by utilizing a clamping connection structure between the cup sleeve cover and the outer annular tooth cutter and the relative rotation relationship between the outer annular tooth cutter and the grinding cylinder as well as between the outer annular tooth cutter and the inner annular tooth cutter; the novel material-removing device is simple and compact in structure, convenient and quick to disassemble, assemble, maintain and clean, adjustable in material thickness, convenient to carry and use, and high in practical value and market popularization value.

Drawings

FIG. 1 is a schematic view of the structural assembly of an embodiment of the present invention;

FIG. 2 is an exploded view of the embodiment of the present invention;

fig. 3 is an exploded view of the embodiment of the present invention (ii);

fig. 4 is a schematic structural section of a main body part of an embodiment of the present invention;

FIG. 5 is an exploded view of the cup cover according to the embodiment of the present invention;

FIG. 6 is an exploded view of the grinding vessel portion of an embodiment of the present invention;

fig. 7 is an exploded view (one) of the outer ring gear cutter according to the embodiment of the present invention;

fig. 8 is an exploded schematic view (ii) of the outer ring gear cutter according to the embodiment of the present invention;

in the figure:

10. a grinding cylinder; 11. a positioning sleeve; 12. a support arm; 13. a limiting block is convex; 20. an inner ring gear cutter; 21. an inner toothed ring cutter; 22. an outer cutter positioning ring; 30. a cup sleeve cover; 31. an axial limiting sleeve cover; 32. a cup body end cover; 33. a polygonal jack; 40. a cup sleeve seat; 50. an outer ring gear cutter; 51. an inner spindle cutter bar; 52. an external tooth cutter head; 53. adjusting a knob; 54. an inner shaft bearing; 55. a buffer spring; 56. an eccentric positioning protrusion; 57. an eccentric positioning lock slot; 58. a limit nut; 60. a feed spacer plate; a. a discharge channel; b. a feed port; c. a storage chamber.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 8, the present embodiment provides a portable manual grinder, which includes a grinding cylinder 10, an inner ring gear cutter 20 installed in the grinding cylinder 10, a cup cover 30 coaxially and rotatably sleeved on a top port of the grinding cylinder 10, a cup holder 40 coaxially sleeved on a bottom port of the grinding cylinder 10, and an outer ring gear cutter 50 rotatably installed in the grinding cylinder 10 and coaxially distributed with the inner ring gear cutter 20; the top end of the outer ring-tooth cutter 50 is connected with the cup cover 30 in a clamping manner, and a discharge channel a is formed between the blade wall surface of the outer ring-tooth cutter 50 and the blade wall surface of the inner ring-tooth cutter 20.

Therefore, the grinding cylinder 10, the cup sleeve cover 30 and the cup sleeve seat 40 are sleeved and connected, so that the whole grinding device can be conveniently disassembled and cleaned, and internal components can be conveniently maintained and cleaned; by utilizing the clamping connection structure between the cup cover 30 and the outer ring gear cutter 50 and the relative rotation relationship between the outer ring gear cutter 50 and the grinding cylinder 10 and the inner ring gear cutter 20, the outer ring gear cutter 50 can perform relative or reverse rotation movement relative to the inner ring gear cutter 20 in the process of simultaneously applying reverse rotation force to the cup cover 30 and the grinding cylinder 10, thereby realizing the grinding treatment of the material. In specific use, the cup cover 30 can be taken off from the grinding cylinder 10 in advance, and then particles such as medicines, spices, seasonings, coffee beans and the like are placed in the grinding cylinder 10 and positioned in the space above the outer ring gear cutter 50; then the cup cover 30 is sleeved on the grinding cylinder 10 and is clamped with the outer ring gear cutter 50; then, a rotary power is applied to the cup sleeve cover 30 to drive the outer ring gear cutter 50 to rotate relative to the inner ring gear cutter 20, so that the particulate matters between the inner ring gear cutter 20 and the outer ring gear cutter 50 are gradually ground, and finally formed fine particulate matters or powdery materials can fall into the cup sleeve seat 40 through the discharge channel a; finally, the cup sleeve seat 40 is disassembled to obtain corresponding grinding materials. Based on this, the mill of this embodiment exists with the whole structural style that is the cup, has greatly strengthened the portability of mill, utilizes the dismantled relation of connection between grinding vessel 10, cup cover 30, the cup holder 40 three simultaneously, not only makes things convenient for the interpolation of original material and taking of grinding material, is convenient for moreover to clear up the maintenance to inside cutter and relevant part.

In order to adjust the thickness of the grinding material as required, the outer ring gear cutter 50 of the present embodiment includes an inner shaft cutter bar 51 rotatably erected in the grinding cylinder 10 and having a top end engaged with the cup cover 30, an outer gear cutter head 52 sleeved on a bottom end of the inner shaft cutter bar 51 and partially or completely located within the contour range of the inner ring gear cutter 20, and an adjusting knob 53 threadedly engaged with the bottom end of the inner shaft cutter bar 51 and abutting against the bottom surface of the outer gear cutter head 52, wherein a material discharge channel a is formed between the outer gear cutter head 52 and the inner ring gear cutter 20. Therefore, the height position of the external tooth tool bit 52 on the inner shaft tool bar 51 can be adjusted by screwing the adjusting knob 53, and the adjustment of the gap size of the discharging channel a is realized by adjusting the relative position between the external tooth tool bit 52 and the inner ring tooth tool 20 at the moment, because the inner ring tooth tool 20 is in the fixed position of the grinding cylinder 10; therefore, the original particles can be ground into fine particles or powder with moderate fineness according to actual requirements.

In order to ensure the forming effect of the material discharge channel a, especially to create good structural conditions for adjusting the size of the gap, the axial cross-sectional shape of the inner ring space at the upper end of the inner ring cutter 20 of the present embodiment is an inverted trapezoid-like shape, the axial cross-sectional shape of the inner ring space at the lower end is a right-angled trapezoid-like shape, and correspondingly, the axial cross-sectional shape of the external tooth cutter head 52 is a right-angled trapezoid-like shape and is partially or completely located in the space at the lower end of the inner ring cutter 20. Therefore, through improving the cross section shapes of the two cutters, the materials to be ground falling into the grinding cylinder 10 can be collected by utilizing the upper end space of the inner ring tooth cutter 20, so that the materials gradually enter the discharging channel a to be ground; and by utilizing the matching relationship between the space shape of the lower end part of the inner ring gear cutter 20 and the shape of the outer gear cutter head 52 and the effect of the adjusting knob 53 on the height adjustment of the outer gear cutter head 52, the discharge channel a can be formed, and the size of the gap of the discharge channel a can be regulated and controlled in real time.

Preferably, in order to ensure the effect of adjusting the height position of the external tooth tool bit 52 by the adjusting knob 53, the external tooth tool bit 52 is prevented from generating axial position deviation on the inner shaft cutter bar 51; meanwhile, the clamping stagnation of the cutter caused by excessively hard particles is avoided; a positioning sleeve 11 for the top end part of the inner shaft cutter bar 51 to penetrate and distribute and a plurality of supporting arms 12 which are distributed along the radial direction of the grinding cylinder 10 and connect the positioning sleeve 11 and the inner peripheral wall of the grinding cylinder 10 into a whole are arranged in the top end part of the grinding cylinder 10; the external gear cutter 50 further includes at least one inner shaft bearing 54 inserted into the positioning sleeve 11 and rotatably connected to the inner shaft cutter bar 51, and a buffer spring 55 sleeved on the inner shaft cutter bar 51 and having a top end abutting against a bottom surface of the inner shaft bearing 54 and a bottom end abutting against a top surface of the external gear cutter 52. From this, utilize the produced damping force of buffer spring 55 both can be for adjust knob 53 to the altitude mixture control of external tooth tool bit 52 create the condition, guarantee the cooperation effect between external tooth tool bit 52 and the interior ring tooth cutter 20, can be when meetting the particulate matter of excessive hardness again, make external tooth tool bit 52 have certain removal buffering space in the axial direction of inner shaft cutter arbor 51, prevent that the particulate matter from causing the cutter jamming or causing the damage to the cutting edge of cutter.

In order to facilitate the adjustment of the height position of the external tooth tool bit 52 by using the adjusting knob 53, the external tooth tool bit 52 is prevented from rotating relative to the inner spindle tool bar 51, so that the cup cover 30 cannot drive the external ring tooth tool 50 to rotate; at least one eccentric positioning protrusion 56 is provided on the radial end surface of the adjusting knob 53 abutting against the bottom surface of the external gear bit 52, and a plurality of eccentric positioning locking grooves 57 which are distributed around the inner spindle arbor 51 and into which the eccentric positioning protrusions 56 are fitted are provided on the bottom surface of the external gear bit 52. Therefore, the relative rotation between the external gear 52 and the inner arbor 51 can be effectively prevented by the matching and fitting relationship between the eccentric positioning lock slot 57 and the eccentric positioning protrusion 56 and the damping force provided by the buffer spring 55.

In order to enhance the practicability of the whole grinder and prevent the material to be ground or the ground finished material from flowing backwards (i.e. preventing the material from entering the grinding cylinder 10 and being located in a space at one end where the cup cover 30 is located), the grinder of this embodiment further includes a feeding isolation plate 60 sleeved on the inner shaft cutter bar 51 and located in the grinding cylinder 10, the bottom surface of the feeding isolation plate 60 abuts against the support arm 12, and at least one feeding hole b eccentrically distributed with the inner shaft cutter bar 51 is formed in the feeding isolation plate 60. Therefore, the feeding isolation plate 60 can be used for dividing the internal space of the grinding cylinder 10 into a feeding space and a grinding space, and after the material to be ground is loaded into the grinding cylinder 10 through the feeding port b and is positioned in the space where the cutter is positioned, the shielding and blocking effect of the feeding isolation plate 60 can be used for effectively preventing the material from entering the grinding area; in practical design, the inner arbor 51 can also be locked in position by the feed spacer 60 (e.g., by a stop nut 58 that is located above the feed spacer 60 and is threaded onto the inner arbor 51) to prevent the inner arbor 51 from moving axially.

In order to facilitate the disassembly and assembly maintenance of the inner ring gear cutter 20, the inner ring gear cutter 20 of the embodiment includes an inner ring gear cutter 21 having an outer peripheral wall attached to an inner peripheral wall of the grinding cylinder 10 and an outer cutter positioning ring 22 being threadedly inserted into the grinding cylinder 10 and having the inner ring gear cutter 21 coaxially distributed, a limiting stop protrusion 13 for abutting against a top end surface of the inner ring gear cutter 21 is formed in the grinding cylinder 10, and the inner ring gear cutter 21 is clamped between the limiting stop protrusion 13 and the outer cutter positioning ring 22.

In order to enhance the practical function of the whole grinder to the maximum, the cup cover 30 of the present embodiment includes an axial stop sleeve cover 31 disposed on the top end of the grinding cylinder 10 and having a central area of a radial end surface engaged with the top end of the inner spindle arbor 51, and a cup end cover 32 located on the top end side of the axial stop sleeve cover 31 and having a threaded socket connection with the axial stop sleeve cover 31, and a storage chamber c for storing articles such as spoons and materials is formed between the axial stop sleeve cover 31 and the cup end cover 32. Therefore, the axial limiting sleeve cover 31 can be used as a connecting and rotating force application carrier of the outer ring gear cutter 50, and the sealing effect on the top end of the grinding cylinder 10 is realized at the same time; the detachable connection between the cup body end cover 32 and the axial limiting sleeve cover 31 can provide structural conditions for temporarily storing and storing materials such as spoons, materials to be ground or ground finished products.

In order to assemble and disassemble the cup cover 30 conveniently and quickly, a polygonal insertion hole 33 (such as a hexagon) is arranged in the central area of the radial end surface of the axial limiting sleeve cover 31, and correspondingly, the radial section shape of the top end of the inner shaft cutter bar 51 is matched with the shape of the polygonal insertion hole 33. Therefore, after the cup cover sleeve 30 is covered and sleeved on the grinding cylinder 10, the inner spindle cutter bar 51 can be quickly and accurately inserted into the polygonal insertion hole 33, so that conditions are created for driving the outer ring gear cutter 50 to rotate by using the cup cover sleeve 30.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims

1. A portable manual mill which characterized in that: the grinding device comprises a grinding cylinder, an inner ring tooth cutter arranged in the grinding cylinder, a cup sleeve cover coaxially and rotatably sleeved on a top port of the grinding cylinder, a cup sleeve seat coaxially sleeved on a bottom port of the grinding cylinder, and an outer ring tooth cutter rotatably erected in the grinding cylinder and coaxially distributed with the inner ring tooth cutter; the top end of the outer annular tooth cutter is connected with the cup cover in a clamping mode, and a discharging channel is formed between the wall surface of the cutting edge of the outer annular tooth cutter and the wall surface of the cutting edge of the inner annular tooth cutter.

2. A portable hand grinder as claimed in claim 1, wherein: the outer ring gear cutter comprises an inner shaft cutter bar, an outer tooth cutter head and an adjusting knob, wherein the inner shaft cutter bar is rotatably erected in the grinding cylinder, the top end of the inner shaft cutter bar is connected with the cup cover in a clamping mode, the outer tooth cutter head is sleeved on the bottom end portion of the inner shaft cutter bar, part or all of the outer tooth cutter head is located within the outline range of the inner ring gear cutter, the adjusting knob is sleeved on the bottom end portion of the inner shaft cutter bar in a threaded mode and abuts against the bottom surface of the outer tooth cutter head, and the material discharge channel is formed between.

3. A portable manual grinder as claimed in claim 2, wherein: the axial cross section shape of the inner ring space at the upper end part of the inner ring tooth cutter is an inverted trapezoid-like shape, the axial cross section shape of the inner ring space at the lower end part of the inner ring tooth cutter is a normally placed trapezoid-like shape, and the axial cross section shape of the outer tooth cutter head is a normally placed trapezoid-like shape and is partially or completely positioned in the space at the lower end part of the inner ring tooth cutter.

4. A portable manual grinder as claimed in claim 2, wherein: the top end of the grinding cylinder is internally provided with a positioning sleeve for the top end of the inner shaft cutter bar to penetrate and distribute and a plurality of supporting arms which are distributed along the radial direction of the grinding cylinder and connect the positioning sleeve and the inner peripheral wall of the grinding cylinder into a whole; the outer ring gear cutter also comprises at least one inner shaft bearing which is inserted into the positioning sleeve and is rotationally connected with the inner shaft cutter bar, and a buffer spring which is sleeved on the inner shaft cutter bar, the top end of the buffer spring is propped against the bottom surface of the inner shaft bearing, and the bottom end of the buffer spring is propped against the top surface of the outer tooth cutter head.

5. A portable manual grinder according to claim 4, wherein: the adjusting knob and the radial end face abutting against the bottom face of the external tooth cutter head are provided with at least one eccentric positioning protrusion, and the bottom face of the external tooth cutter head is provided with a plurality of eccentric positioning locking grooves which are distributed around the inner shaft cutter bar and are used for the eccentric positioning protrusions to be aligned and embedded.

6. A portable manual grinder according to claim 4, wherein: the grinding device also comprises a feeding isolation plate which is sleeved on the inner shaft cutter bar and is positioned in the grinding cylinder, the bottom surface of the feeding isolation plate is abutted against the supporting arm, and at least one feeding hole which is eccentrically distributed with the inner shaft cutter bar is formed in the feeding isolation plate.

7. A portable hand grinder as claimed in claim 1, wherein: inner ring tooth cutter includes that an periphery wall and the inner peripheral wall of grinding vessel are attached internal ring sword and a screw thread plug bush are outer sword holding ring that the internal ring sword is coaxial distribution in the grinding vessel, it is protruding to be formed with the spacing fender that is used for offsetting with the top terminal surface of internal ring sword in the grinding vessel, the internal ring sword centre gripping is between protruding and outer sword holding ring of spacing fender.

8. A portable manual grinder according to any one of claims 2-7, wherein: the cup cover comprises an axial limiting sleeve cover and a cup body end cover, wherein the axial limiting sleeve cover is sleeved on the top end opening of the grinding cylinder, the central area of the radial end face of the cup cover is in clamping connection with the top end of the inner shaft cutter bar, the cup body end cover is located on the top end side of the axial limiting sleeve cover and is in threaded insertion connection with the axial limiting sleeve cover, and a storage cavity is formed between the axial limiting sleeve cover and the cup body end cover.

9. A portable manual grinder according to claim 8, wherein: the center area of the radial end face of the axial limiting sleeve cover is provided with a polygonal jack, and the shape of the radial section of the top end of the inner shaft cutter bar is matched with the shape of the polygonal jack.