CN214765937U

CN214765937U - Knife type grinding instrument

Info

Publication number: CN214765937U
Application number: CN202120206709.2U
Authority: CN
Inventors: 刘佳; 窦旖君; 徐建辉; 刘丹
Original assignee: European Food Testing Service Dalian Co ltd
Current assignee: European Food Testing Service Dalian Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-19
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a sword formula grinds appearance. The utility model provides a pair of sword formula grinds appearance, include: a grinding instrument cup body, a grinding instrument cup cover, a control panel, a grinding cutter and a linkage mechanism, wherein a motor rotating shaft is rotationally connected with the grinding cutter, the connection or separation of the motor rotating shaft and the grinding knife in the rotating direction is realized through a telescopic linkage mechanism, the grinding instrument cup cover is buckled on the grinding instrument cup body, the linkage mechanism is pressed downwards by a pressing piece in the grinding instrument cup cover, the linkage mechanism enables the motor rotating shaft and the grinding cutter to be linked in the rotating direction, the grinding cutter rotates along with the motor rotating shaft to grind the object in the grinding instrument cup body, when the cup cover of the grinding instrument is not buckled on the cup body of the grinding instrument, the linkage mechanism is upwards popped out to enable the motor rotating shaft to idle, the grinding cutter cannot rotate at a high speed along with the motor rotating shaft, thereby avoiding the potential safety hazard that the grinding cutter is exposed outside and rotates at high speed and may bring after the motor is started by mistake under the condition that the grinding instrument cup cover is not buckled.

Description

Knife type grinding instrument

Technical Field

The utility model relates to a grind appearance technical field, concretely relates to sword formula grinds appearance.

Background

The grinding equipment for the laboratory is originally formed by transforming an industrial large-scale grinding machine to replace a manual grinding tool such as a grinding bowl and the like, and the problems of grinding efficiency and precision are solved. The existing knife type grinding equipment is structurally characterized in that a grinding knife fixedly connected to the tail end of a motor rotating shaft extends into a grinding cup, the grinding knife rotates after the motor is started, materials in the grinding cup are crushed, and the particle size of a grinding product is controlled by adjusting the speed of the rotating shaft. The existing knife type grinder is characterized in that after a motor power supply is usually turned on, a grinding knife rotates along with a motor rotating shaft, and when an upper cover is not covered, the grinding knife rotating at a high speed is exposed outside, so that potential safety hazards exist. Therefore, there is a need to provide a knife grinder to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the aforesaid not enough, provide a sword formula grinding appearance to solve current sword formula grinding appearance and open the motor power back usually, the grinding sword rotates along with motor shaft promptly, when this is not covering the upper cover, high-speed pivoted grinding sword exposes externally, has the problem of potential safety hazard.

The utility model provides a sword formula grinds appearance, include: the grinding instrument cup comprises a grinding instrument cup body, a grinding instrument cup cover, a control panel, a grinding cutter and a linkage mechanism; the grinding instrument cup cover is detachably connected with the top of the grinding instrument cup body, the control panel is arranged on the grinding instrument cup body, a motor is arranged in the grinding instrument cup body, and the motor is electrically connected with the control panel; a motor rotating shaft of the motor vertically extends upwards to the upper part inside the grinding instrument cup body; the grinding knife comprises a blade mounting seat, a blade supporting plate, blades, a first bearing and a second bearing, wherein the blade mounting seat is arranged above the blade supporting plate in parallel, the first bearing is arranged in the central area of the blade mounting seat, the second bearing is arranged in the central area of the blade supporting plate, a motor rotating shaft is arranged in the first bearing and the second bearing and extends to the position above the blade mounting seat, and the two blades are arranged at two ends of the blade mounting seat and the blade supporting plate;

the linkage mechanism is arranged at the top end of the motor rotating shaft, the linkage mechanism is elastically and slidably connected with the motor rotating shaft in the axial direction of the motor rotating shaft, the linkage mechanism is synchronously and rotatably connected with the motor rotating shaft in the circumferential direction of the motor rotating shaft, linkage columns are arranged on two sides of the bottom of the linkage mechanism, through holes are formed in two sides of the blade mounting seat corresponding to the lower portions of the linkage columns, and blind holes are formed in two sides of the blade supporting plate corresponding to the lower portions of the through holes; grind the inside top surface of appearance bowl cover and be provided with down-pressing piece, down-pressing piece through down-pressing piece pivot with grind the appearance bowl cover and rotate and connect.

Further, the top of grinding appearance cup body is provided with annular iron bellying, the bottom of grinding the appearance bowl cover is provided with annular magnet portion, annular magnet portion with the diameter of annular iron bellying is the same.

Further, the blade mounting seat is connected to the inner side of the top end of the blade through a first screw, and the blade supporting plate is connected to the inner side of the middle of the blade through a second screw.

Furthermore, the diameter of the linkage column is equal to the diameter of the through hole and the diameter of the blind hole, and the length of the linkage column is equal to the distance from the upper surface of the blade mounting seat to the inside of the blind hole.

Further, the linkage mechanism comprises a cylindrical base and extension arms connected to two sides of the cylindrical base, and the linkage column is vertically connected to the bottom surfaces of the extension arms.

Further, the bottom of pushing down the piece be provided with cylindric base assorted cylindric recess, the pushing down the piece peripheral face be provided with the rectangular channel that the width of extension arm equals, the rectangular channel with cylindric recess intercommunication.

The utility model discloses following beneficial effect has: the utility model provides a pair of sword formula grinds appearance, include: the grinding instrument cup body, the grinding instrument cup cover, the control panel, the grinding cutter and the linkage mechanism are connected in a rotating way, the motor rotating shaft of a motor in the grinding instrument cup body is connected with the grinding cutter in a rotating way, and the connection or separation of the motor rotating shaft and the grinding cutter in the rotating direction is realized through the telescopic linkage mechanism, so that when the grinding instrument cup cover is buckled on the grinding instrument cup body, the linkage mechanism is pressed downwards by a pressing piece in the grinding instrument cup cover, after the motor rotating shaft and the grinding cutter are linked in the rotating direction through the linkage mechanism, the grinding cutter can rotate along with the motor rotating shaft to grind objects in the grinding instrument cup body, when the grinding instrument cup cover is not buckled on the grinding instrument cup body, the linkage mechanism is upwards popped out to lead the motor rotating shaft to idle, the grinding cutter can not rotate along with the motor rotating shaft at high speed, and the phenomenon that the motor is mistakenly started under the condition that the grinding instrument cup cover is not buckled is avoided, the grinding knife is exposed outside and rotates at high speed to bring potential safety hazard.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the knife grinder provided by the present invention.

Fig. 2 is a schematic view of the grinding knife and the linkage mechanism of the knife grinder provided by the present invention.

Fig. 3 is a schematic view of the cup cover of the knife grinder provided by the present invention.

Illustration of the drawings: 1-a support frame; 2-biological safety cabinet body; 3-a biosafety cabinet control device; 4-glass cabinet door; 41-bottom mounting plate; 42-middle glass mounting plate; 43-top glass mounting plate; 44-a glass baffle; 45-a slide rail; 46-positioning handle; 47-positioning holes; 461-pulling plate; 462-a locating post; 463-an extension plate; 411-mounting holes; 412-spring chamber; 413-has a spring.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. 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 application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

As shown in fig. 1 to 3, an embodiment of the present invention provides a knife grinder, including: grinding appearance cup body 1, grinding appearance bowl cover 2, control panel 3, grinding sword 4 and link gear 5.

Wherein, the grinding appearance bowl cover 2 can be dismantled with 1 top of grinding appearance cup body and be connected, and the top of grinding appearance cup body 1 is provided with annular iron bellying 12, and the bottom of grinding appearance bowl cover 2 is provided with annular magnet portion 25, and annular magnet portion 25 is the same with the diameter of annular iron bellying 12, and back on grinding appearance cup body 1 was buckled down to grinding appearance bowl cover 2, accessible annular magnet portion 25 adsorbed annular iron bellying 12 to the lock is stabilized in the realization.

Control panel 3 sets up on grinding appearance cup body 1, and grinding appearance cup body 1 is inside to be provided with the motor, and the motor is connected with control panel 3 electricity, and accessible control panel 3 control motor starts and the rotational speed of control motor.

The motor shaft 11 of the motor vertically extends upwards to the upper part inside the grinder cup body 1, and the grinding knife 4 comprises a blade mounting seat 41, a blade supporting plate 42, a blade 43, a first bearing 44 and a second bearing 45. The blade mount 41 is disposed above the blade support plate 42 in parallel, the blade mount 41 and the blade support plate 42 are both rectangular, the length and the width of the blade mount 41 and the blade support plate 42 are equal, and the thickness of the blade mount 41 may be thicker than the blade support plate 42. The insert mounting seat 41 is attached to the tip inside of the insert 43 by a first screw 46, and the insert supporting plate 42 is attached to the middle inside of the insert 43 by a second screw 47.

Specifically, the first bearing 44 is disposed in a central region of the blade mount 41, the second bearing 45 is disposed in a central region of the blade support plate 42, the motor shaft 11 is disposed in the first bearing 44 and the second bearing 45 and extends above the blade mount 41, and the two blades 43 are disposed at both ends of the blade mount 41 and the blade support plate 42. The motor shaft 11 is rotatably connected with the grinding knife 4 through the first bearing 44 and the second bearing 45, and under the condition that the grinding knife 4 and the motor shaft 11 do not form linkage in the rotating direction, the rotation of the motor shaft 11 cannot drive the grinding knife 4 to rotate synchronously.

Specifically, the linkage mechanism 5 is arranged at the top end of the motor rotating shaft 11, the linkage mechanism 5 and the motor rotating shaft 11 are elastically and slidably connected in the axial direction of the motor rotating shaft 11, and the linkage mechanism 5 and the motor rotating shaft 11 are synchronously and rotatably connected in the circumferential direction of the motor rotating shaft 11. The linkage mechanism 5 is provided with linkage columns 53 at two sides of the bottom, the linkage mechanism 5 specifically comprises a cylindrical base 51 and extension arms 52 connected to two sides of the cylindrical base 51, and the linkage columns 53 are vertically connected to the bottom surfaces of the extension arms 52. The top of cylindric base 51 and motor shaft 11 can adopt telescopic structure to can set up the spring between the top of cylindric base 51 and motor shaft 11, realize axial elastic expansion, simultaneously, cylindric base 51 and motor shaft 11 can adopt limit structure to realize the ascending linkage of rotation direction in circumference, and motor shaft 11 rotates promptly, also drives the synchronous rotation of link gear 5, and the concrete setting of limit structure can adopt prior art to realize.

Specifically, through holes 48 are formed in the blade mounting seat 41 on the two sides below the corresponding linkage posts 53, and blind holes 49 are formed in the blade supporting plate 42 on the two sides below the corresponding through holes 48. The diameter of the linkage column 53 is equal to the diameter of the through hole 48 and the diameter of the blind hole 49, the length of the linkage column 53 is equal to the distance from the upper surface of the blade mounting seat 41 to the inside of the blind hole 49, when the linkage column 53 moves downwards, the linkage column 53 can just penetrate through the through hole 48 and be inserted into the blind hole 49, and the motor rotating shaft 11 and the grinding cutter 4 are linked in the rotating direction.

Specifically, the inside top surface of grinding appearance bowl cover 2 is provided with holding down 22, and holding down 22 rotates with grinding appearance bowl cover 2 through holding down pivot 21 and is connected. The bottom of the lower pressing piece 22 is provided with a cylindrical groove 23 matched with the cylindrical base 51, the peripheral surface of the lower pressing piece 22 is provided with a rectangular groove 24 with the width equal to that of the extension arm 52, and the rectangular groove 24 is communicated with the cylindrical groove 23. After the grinder cup cover 2 is buckled on the grinder cup body 1, the cylindrical base 51 and the rectangular groove 24 of the lower pressing piece 22 are just buckled on the cylindrical base 51 and the extension arm 52, the whole linkage mechanism 5 is pressed downwards, the linkage mechanism 5 retracts downwards relative to the motor rotating shaft 11, and the linkage column 53 is inserted into the blind hole 49 through the through hole 48. At this time, the motor is controlled to be started through the control panel 3, the motor rotating shaft 11 rotates to drive the linkage mechanism 5 to rotate, the linkage mechanism 5 rotates to drive the grinding tool 4 to rotate, and meanwhile, the lower pressing piece 22 also rotates in the grinding instrument cup cover 2 along with the linkage mechanism 5. When grinding appearance bowl cover 2 does not detain on grinding appearance cup body 1, link gear 5 upsprings, and linkage post 53 is located grinding sword 4 top, if the mistake starter motor this moment, motor shaft 11 idle running, grinding sword 4 can not rotate along with motor shaft 11 is high-speed to avoid not detaining the mistake behind the motor start-up under the condition of grinding the appearance bowl cover, the grinding sword exposes the potential safety hazard that outside high-speed rotation probably brought.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A knife grinder, comprising: the grinding instrument cup comprises a grinding instrument cup body (1), a grinding instrument cup cover (2), a control panel (3), a grinding knife (4) and a linkage mechanism (5);

the grinder cup cover (2) is detachably connected with the top of the grinder cup body (1), the control panel (3) is arranged on the grinder cup body (1), a motor is arranged in the grinder cup body (1), and the motor is electrically connected with the control panel (3); a motor rotating shaft (11) of the motor vertically extends upwards to the upper part inside the grinder cup body (1); the grinding knife (4) comprises a knife blade mounting seat (41), a knife blade supporting plate (42), a knife blade (43), a first bearing (44) and a second bearing (45), wherein the knife blade mounting seat (41) is arranged above the knife blade supporting plate (42) in parallel, the first bearing (44) is arranged in the central area of the knife blade mounting seat (41), the second bearing (45) is arranged in the central area of the knife blade supporting plate (42), the motor rotating shaft (11) is arranged in the first bearing (44) and the second bearing (45) and extends to the upper side of the knife blade mounting seat (41), and the two knife blades (43) are arranged at two ends of the knife blade mounting seat (41) and the knife blade supporting plate (42);

the linkage mechanism (5) is arranged at the top end of the motor rotating shaft (11), the linkage mechanism (5) is elastically and slidably connected with the motor rotating shaft (11) in the axial direction of the motor rotating shaft (11), the linkage mechanism (5) is synchronously and rotatably connected with the motor rotating shaft (11) in the circumferential direction of the motor rotating shaft (11), linkage columns (53) are arranged on two sides of the bottom of the linkage mechanism (5), through holes (48) are arranged on two sides of the blade mounting seat (41) corresponding to the lower parts of the linkage columns (53), and blind holes (49) are arranged on two sides of the blade supporting plate (42) corresponding to the lower parts of the through holes (48); the inside top surface of grinding appearance bowl cover (2) is provided with holding down piece (22), holding down piece (22) through holding down piece pivot (21) with grinding appearance bowl cover (2) rotate to be connected.

2. The knife grinder as claimed in claim 1, wherein the top of the grinder cup body (1) is provided with an annular iron boss (12), the bottom of the grinder cup cover (2) is provided with an annular magnet (25), and the diameter of the annular magnet (25) is the same as that of the annular iron boss (12).

3. A knife grinder as claimed in claim 2, characterised in that the blade mount (41) is attached to the inside of the top end of the blade (43) by a first screw (46) and the blade support plate (42) is attached to the inside of the middle of the blade (43) by a second screw (47).

4. The knife grinder of claim 3, wherein the linkage post (53) has a diameter equal to the diameter of the through hole (48) and the blind hole (49), and the length of the linkage post (53) is equal to the distance from the upper surface of the insert mounting seat (41) to the inside of the blind hole (49).

5. The knife grinder of claim 4, wherein the linkage mechanism (5) comprises a cylindrical base (51) and an extension arm (52) connected to both sides of the cylindrical base (51), and the linkage column (53) is vertically connected to the bottom surface of the extension arm (52).

6. The knife grinder of claim 5, wherein the bottom of the lower pressing member (22) is provided with a cylindrical groove (23) matched with the cylindrical base (51), the outer circumferential surface of the lower pressing member (22) is provided with a rectangular groove (24) with the same width as the extension arm (52), and the rectangular groove (24) is communicated with the cylindrical groove (23).