CN211243008U

CN211243008U - Smash effectual food preparation machine

Info

Publication number: CN211243008U
Application number: CN201921070369.4U
Authority: CN
Inventors: 王旭宁; 王云斌; 杨开清
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-08-14
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a smash effectual food preparation machine belongs to food preparation machine technical field, including built-in motor's frame and stirring cup, the stirring cup includes cup and bowl cover, is equipped with crushing sword in the cup, smashes the sword and includes the arbor and locate the blade on arbor top, and the blade includes that wing root and at least a pair of symmetry locate the wing of the relative both sides of wing root, is equipped with the cutting edge face on the wing, is equipped with the blade on the cutting edge face, and the wing is equipped with curved breach with the lateral part of wing root junction, through arc surface smooth connection between the inner wall of cutting edge face and breach. The stress concentration problem of the joint between the blade and the wing root can be greatly reduced or eliminated through the notch and the arc surface, the strength and the fatigue resistance of the blade are favorably improved, the situation that cracks are generated at the joint between the blade and the wing root after the blade and the wing root are used for a period of time to cause the fracture of the blade is avoided, the service life of the crushing cutter is prolonged, and the crushing effect of the crushing cutter on materials is ensured.

Description

Smash effectual food preparation machine

Technical Field

The utility model relates to a food preparation machine technical field especially relates to a smash effectual food preparation machine.

Background

The existing food processor generally comprises a host and a stirring cup, wherein a motor is arranged in the host, a crushing knife is arranged in the stirring cup, and the motor drives the crushing knife to rotate to cut and crush materials in the stirring cup, so that the purpose of food processing is realized. The crushing cutter of the prior food processor generally adopts four-blade blades or six-blade blades, and the cutting edges on the blades are formed by grinding plates. Because the blade of smashing the sword can receive the pulsation load that the material striking caused at the course of the work, the blade is easy to take place to warp, can influence the crushing effect of blade to the material. In addition, the blade is easy to reach the material fatigue limit after being used for a period of time, cracks are easy to appear on the part with smaller thickness on the crushing cutter, and the risk of breaking the blade exists, particularly the joint of the blade wing and the wing root, the strength of the blade is lower, and the performance is poorer.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the prior art, the utility model provides a food processor with high strength and good performance of a blade, which can effectively improve the crushing effect.

In order to realize the technical purpose, the utility model provides a pair of smash effectual food preparation machine, including built-in motor's frame and the stirring cup of locating on the frame, the stirring cup includes cup and bowl cover, is equipped with in the cup by motor drive's crushing sword, smash the sword and include the arbor and locate the blade on arbor top, the blade includes that wing root and at least a pair of symmetry locate the wing of the relative both sides of wing root, is equipped with on the wing and opens the cutting edge face, is equipped with the blade on opening the cutting edge face, and the wing is equipped with curved breach with the lateral part of wing root junction, through arc surface smooth connection between the inner wall of opening cutting edge face and breach.

Preferably, the cutting edge surface is tangent and smoothly connected with the inner wall of the notch through an arc surface.

Preferably, the fillet radius of the circular arc surface is R1, and R1 is more than or equal to 2mm and less than or equal to 6 mm.

Preferably, a transition surface which is obliquely arranged is arranged between the root part of the cutting edge and the edge-sharpening surface, a transition fillet is arranged at the corner part of the transition surface, the radius of the transition fillet is R2, and R2 is more than or equal to 3mm and less than or equal to 6 mm.

Preferably, the blade is provided with a through-flow hole.

Preferably, a reinforcing rib is arranged at the joint of the blade and the wing root.

Preferably, the radian of the cutting edge is

Preferably, the top and/or the bottom of the wing root is/are provided with a gasket, and the gasket is fixed at the top end of the cutter shaft.

Preferably, the distance between the outer edge of the gasket and the central axis of the cutter shaft is G1, the distance between the root of the blade and the central axis of the cutter shaft is G2, and G2-G1 are not more than 1mm and not more than 3 mm.

Preferably, the wing root is square, and two pairs of blades are arranged, wherein one pair of blades are bent upwards relative to the wing root, and the other pair of blades are bent downwards relative to the wing root; and/or the blade is connected to the cutter shaft through a rivet, and the upper end of the cutter shaft is provided with a step for enabling the blade to be limited axially.

After the technical scheme is adopted, the utility model has the advantages of as follows:

1. the utility model provides a food processor improves the concrete structure of smashing the sword, has seted up the breach at the lateral part of wing and wing root junction, opens and carries out smooth connection through the arc surface between cutting edge face and the breach inner wall. Can reduce greatly or eliminate the stress concentration of wing and wing root junction through breach and arc surface, be favorable to rationally improving the intensity and the fatigue resistance ability of wing, avoid the wing to appear the cracked condition that leads to the wing to take place after using a period in the junction of wing and wing root, be favorable to prolonging the life of smashing the sword and guarantee to smash the crushing effect of sword to the material.

2. Preferably, one end of the arc surface is in tangent transition with the edging surface, and the other end of the arc surface is in tangent transition with the inner wall of the notch, so that the stress concentration at the joint of the blade and the blade root is further reduced or eliminated, and the strength and the performance of the blade are further reasonably improved.

3. The fillet radius of the arc surface is reasonably arranged, so that the structural requirement is better met. If R1 is less than 2mm, the fillet radius of the arc surface is smaller, so that the stress concentration at the joint between the blade and the wing root can not be effectively reduced or eliminated, and the strength and the performance of the blade are not favorably improved. If R1 is more than 6mm, the radius of the circular arc surface is larger, the width of the blade root is greatly reduced, and the strength and the performance of the blade are not ensured.

4. The bight of transition face sets up the transition fillet, utilizes this transition fillet rationally to reduce or eliminate the stress concentration of transition junction between blade and the transition face, reduces cracked risk to appear in this transition junction, is favorable to further improving the intensity and the performance of wing. The radius of transition fillet is rationally set up, makes it satisfy the structural requirement. If R2 is less than 3mm, the stress concentration problem at the transition joint can not be effectively solved. If R2 is greater than 6mm, the transition fillet is bigger, the width of the cutting edge is bigger, which is not beneficial to ensuring the strength of the cutting edge.

5. Set up the through-flow hole on the wing of a knife, smash the sword and add man-hour to the material, the material of blade top can carry out fluid pressure release through the downward flow of through-flow hole, is favorable to alleviateing the ascending load of blade at the axial when smashing the sword during operation. In addition, the material flows downwards through the through-flow holes and also has a certain turbulence effect, and the material crushing effect of the crushing cutter on the material is favorably improved.

6. The strengthening rib is arranged at the joint of the blade and the blade root, the strength and the fatigue resistance of the blade are effectively improved through the strengthening rib, the condition that the blade deforms after being used for a period of time is avoided, and the crushing effect of the crushing cutter on materials and the service life of the crushing cutter are favorably ensured.

7. The radian of the cutting edge is set as

The cutting edge is in a hyperbolic spiral line shape, so that the energy loss of the blade in the working process can be reduced. Because the blade is the arc, do the sliding motion when material and blade contact, compare and more alleviate in traditional striking motion, be favorable to reducing the noise of smashing the sword during operation. The arc-shaped cutting edge also prolongs the length of the sliding motion of the material relative to the cutting edge, and is favorable for improving the crushing effect of the cutting edge on the material.

8. The top and/or the bottom of wing root set up the gasket, utilize this gasket to make the blade receive axial spacing, are favorable to improving the blade and are fixed in the epaxial axial stability of arbor, can also effectively reduce or eliminate the axial strain range that the blade produced at the course of the work.

9. The distance G1 between gasket outward flange and the arbor central axis is less than the distance G2 setting between wing root and the arbor central axis, makes gasket and wing root laminating setting completely, is favorable to further improving the spacing effect of axial of gasket to the blade. If a gap is left between the outer edge of the gasket and the wing root, the material can flow into the gap between the gasket and the wing root to impact the blade when flowing, and the stability of the blade is not ensured.

Drawings

FIG. 1 is a schematic view of a food processor according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a grinding blade of a food processor along an axial direction according to an embodiment of the present invention;

FIG. 3 is a schematic view of a blade of a shredding knife in a food processor according to an embodiment of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is an enlarged view at B of FIG. 3;

fig. 6 is a schematic view of a crushing blade of a food processor according to an embodiment of the present invention.

In the figure, 100-machine base, 200-stirring cup, 210-cup body, 220-cup cover, 300-motor, 400-crushing knife, 410-knife shaft, 411-rivet shaft, 412-step, 420-blade, 421-wing root, 422-wing, 422 a-first group of wing, 422 b-second group of wing, 423-cutting edge face, 424-cutting edge, 425-notch, 426-arc face, 427-transition face, 428-transition fillet, 429-through hole, 4211-riveting hole, 4212-reinforcing rib and 430-gasket.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.

Example one

As shown in fig. 1 to 5, a food processor with good crushing effect provided by the embodiment of the present invention includes a base 100 with a built-in motor 300 and a stirring cup 200 disposed on the base 100, wherein the stirring cup 200 includes a cup body 210 and a cup cover 220, and a crushing knife 400 driven by the motor 300 is disposed in the cup body 210. The crushing cutter 400 comprises a cutter shaft 410 and a blade 420 arranged at the top end of the cutter shaft 410, the blade 420 comprises a wing root 421 and at least one pair of blades 422 symmetrically arranged at two opposite sides of the wing root 421, a cutting surface 423 is arranged on the blades 422, a cutting edge 424 is arranged on the cutting surface 423, an arc-shaped gap 425 is arranged at the side part of the joint of the blades 422 and the wing root 421, and the cutting surface 423 is smoothly connected with the inner wall of the gap 425 through an arc surface 426.

Can reduce greatly or eliminate the stress concentration of wing and wing root junction through breach and arc surface, be favorable to rationally improving the intensity and the fatigue resistance ability of wing, avoid the wing to appear the cracked condition that leads to the wing to take place after using a period in the junction of wing and wing root, be favorable to prolonging the life of smashing the sword and guarantee to smash the crushing effect of sword to the material.

In this embodiment, the notch 425 is substantially arc-shaped, and the cutting surface 423 and the inner wall of the notch 425 are in tangential and smooth connection through the arc surface 426, that is, one end of the arc surface 426 is in tangential transition with the cutting surface 423, and the other end of the arc surface is in tangential transition with the inner wall of the notch 425, which is beneficial to further reducing or eliminating stress concentration at the connection position of the blade 422 and the blade root 421. The fillet radius of the circular arc surface 426 is R1, R1 is more than or equal to 2mm and less than or equal to 6mm, and particularly, the fillet radius R1 of the circular arc surface 426 is preferably set to be 4 mm.

A transition surface 427 is provided between the root of the cutting edge 424 and the cutting edge surface 423, obliquely arranged with respect to the insert surface, and the corner between the transition surface 427 and the cutting edge 424 is provided with a transition fillet 428. The transition radius 428 is utilized to reduce or eliminate stress concentrations at the transition between the cutting edge 424 and the transition surface 427, reducing the risk of fracture at the transition. The radius of the transition rounded corner 428 is R2, R2 is less than or equal to 3mm and less than or equal to 6mm, and in the embodiment, the radius R2 of the transition rounded corner 428 is preferably set to be 4 mm.

To reduce the axial loading of the blades 420 during operation of the comminuting knife 400, flow apertures 429 are provided in each blade 422. The material above the blade 420 may flow downwardly through the flowbore 429 for fluid pressure relief, and also may flow downwardly through the flowbore 429 with a flow disruption effect.

The blade 420 is fixed at the top end of the cutter shaft 410 in a riveting mode, a riveting hole 4211 is formed in the center of the wing root 421, a riveting shaft 411 which is integrally formed with the cutter shaft 410 is arranged at the top end of the cutter shaft 410, and the riveting shaft 411 is inserted into the riveting hole 4211 and is riveted with the cutter shaft after being upset.

In order to improve the stability of the blade 420 in the axial direction, a step 412 located at the bottom of the rivet shaft 411 is provided at the top end of the knife shaft 410, and after the blade 420 and the knife shaft 410 are fixed, the step 412 is located at the bottom of the blade 420 so that the blade 420 is axially limited.

In order to further improve the stability and strength of the blade 420, a gasket 430 is disposed at the bottom of the wing root 421, the gasket 430 is fixedly sleeved on the riveting shaft 411 under the riveting action, the bottom surface of the gasket 430 abuts against the step 412, and the bottom surface of the wing root 421 abuts against the top surface of the gasket 430. In order to avoid the impact on the blade 420 caused by the material flowing into the gap between the spacer 430 and the wing root 421 when the material flows, the distance G1 between the outer edge of the spacer 430 and the central axis of the cutter shaft 410 is smaller than the distance G2 between the root of the blade 422 and the central axis of the cutter shaft 410, and G2-G1 are more than or equal to 1mm and less than or equal to 3 mm. Specifically, the difference between G2 and G1 is preferably set to 2 mm.

In this embodiment, the wing root 421 has a square shape, and the pad 430 has a square shape corresponding to the wing root 421. Two pairs of blades 422 are provided, including a first set of blades 422a and a second set of blades 422 b. The first set of blades 422a is bent upward relative to the wing root 421, the second set of blades 422a is bent downward relative to the wing root 421, and the ends of the second set of blades 422b are bent horizontally.

In this embodiment, the cutting edge 424 has a curvature of

In particular, the curvature of the cutting edge 424 is preferably arranged to be

The cutting edge is in a hyperbolic spiral line shape, so that the energy loss of the blade in the working process can be reduced. The sliding motion is done with the blade contact time to the material, compares and mitigatees in traditional striking motion more, is favorable to reducing the noise of smashing sword during operation, has also prolonged the length that the sliding motion was done for the blade to the material, is favorable to improving the crushing effect of blade to the material.

In order to drive the crushing cutter 400 by the motor 300, a separate coupling is provided between a motor shaft of the motor 300 and the cutter shaft 310, and power is transmitted through the coupling.

When the machine body works, the motor shaft of the motor 300 drives the crushing cutter 400 to rotate at a high speed through the coupler, materials are cut and crushed by the cutting edge when sliding relative to the cutting edge 424, and partial materials on the upper part of the crushing cutter can flow downwards through the through hole 429 to realize fluid pressure relief and flow disturbance.

It is understood that the fillet radius R1 of the circular arc surface 426 may be set to other reasonable radius values such as 2mm, 2.5mm, 3mm, 3.5mm, 3.9mm, 4.1mm, 4.5mm, 5mm, 5.5mm, 6mm, etc.

It is understood that the radius R2 of the transition radius 428427 may be set to other reasonable radius values such as 2mm, 2.5mm, 3mm, 3.5mm, 3.9mm, 4.1mm, 4.5mm, 5mm, 5.5mm, 6mm, etc.

It will be appreciated that the curvature of the cutting edge 424 may also be configured to be

And the like.

It is understood that the difference between G2 and G1 can be set to 1mm, 1.3mm, 1.6mm, 1.9mm, 2.1mm, 2.3mm, 2.6mm, 2.9mm, 3mm, and other reasonable differences.

It is understood that the pad 430 may also be disposed on the top of the wing root 421, in which case the bottom surface of the wing root 421 directly abuts against the step 412, and the bottom surface of the pad 430 abuts against the top surface of the wing root 421. Of course, the spacers 430 may be provided on both the top and bottom of the wing root 421.

It will be appreciated that the specific shape of the wing root 421 is not limited to the square shape described above or shown in the drawings, and may be provided in other reasonable shapes, and accordingly, the number of the blades 422 is reasonable according to the specific shape of the wing root 421.

It is understood that the specific shape of the spacer 430 is not limited to the square shape described above, and may be other reasonable shapes such as a circle or a hexagon. Preferably, the specific shape of the shim 430 is arranged to correspond to the specific shape of the wing root 421.

It is understood that the blade 420 may also be fixedly riveted to the top end of the arbor 410 by a separate rivet. Of course, the blade 420 may be fixed to the top end of the arbor 410 by other suitable fixing means.

Example two

As shown in fig. 6, a second embodiment of the present invention is a modified embodiment of the first embodiment, which is improved over the first embodiment in that a reinforcing rib 4212 is provided at a joint between the blade 422 and the blade root 421.

In order to increase the strength of each blade 422 reasonably by the rib 4212 and to facilitate the processing and molding, the rib 4212 at the joint of the first group of blades 422a and the blade root 421 is provided on the partial top surface of the blade root 421 and the partial top surface of the first group of blades 422a, and is substantially triangular. The reinforcing ribs 4212 at the joint of the second set of blades 422b and the blade root 421 are disposed on the partial bottom surfaces of the blade root 421 and the second set of blades 422b, and are substantially triangular. Preferably, the wing root 421, the blade 422 and the rib 4212 are of an integral structure.

The other structures of the second embodiment are the same as those of the first embodiment, and are not described in detail here.

In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope defined by the appended claims.

Claims

1. The utility model provides a smash effectual food preparation machine, includes built-in motor's frame and the stirring cup of locating on the frame, and the stirring cup includes cup and bowl cover, is equipped with the crushing sword by motor drive in the cup, its characterized in that, crushing sword includes the arbor and locates the blade on arbor top, and the blade includes that wing root and at least a pair of symmetry locate the wing of the relative both sides of wing root, is equipped with on the wing and opens the flank, is equipped with the blade on opening the flank, and the wing is equipped with curved breach with the lateral part of wing root junction, through arc surface smooth connection between the inner wall of opening flank and breach.

2. The food processor of claim 1, wherein the cutting edge surface is tangentially and smoothly connected to the inner wall of the gap by a circular arc surface.

3. The food processor of claim 1, wherein the radiused surface has a fillet radius of R1,2mm R1 mm 6 mm.

4. The food processor as defined in claim 1, wherein a transition surface is obliquely arranged between the root of the cutting edge and the cutting edge surface, and a corner of the transition surface is provided with a transition fillet, and the radius of the transition fillet is R2, R2 is more than or equal to 3mm and less than or equal to 6 mm.

5. The food processor of claim 1, wherein the blade defines a through-flow aperture.

6. The food processor of claim 1, wherein the blade and root junction is provided with a reinforcement rib.

7. The food processor of claim 1, wherein the cutting edge has an arc of

8. A food processor as claimed in claim 1, wherein the wing roots are provided with spacers at their top and/or bottom, the spacers being secured to the top ends of the knife shafts.

9. The food processor of claim 8, wherein the spacer has an outer edge spaced from the central axis of the arbor by a distance G1, and a root spaced from the central axis of the arbor by a distance G2, 1mm ≦ G2-G1 ≦ 3 mm.

10. A food processor as defined in any one of claims 1-9, wherein the wing base is square and two pairs of blades are provided, one pair of blades being bent upwardly with respect to the wing base and the other pair of blades being bent downwardly with respect to the wing base; and/or the blade is connected to the cutter shaft through a rivet, and the upper end of the cutter shaft is provided with a step for enabling the blade to be limited axially.