CN110919472A

CN110919472A - Domestic cutter cutting edge grinding device

Info

Publication number: CN110919472A
Application number: CN202010023451.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Weifang Chuanxi Commodity Co ltd
Current assignee: Zhejiang Dingxing Enterprise Management Co., Ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-03-27
Anticipated expiration: 2040-01-09
Also published as: CN110919472B

Abstract

The invention discloses a household knife edge polishing device, which comprises a machine body, wherein rotating columns are symmetrically arranged on the upper portion of the machine body in the left-right direction, an opening and closing door is rotatably arranged between the rotating columns, a first driving cavity is arranged on the left portion of the machine body, a first motor is fixedly arranged in the first driving cavity, a second driving cavity is arranged below the first driving cavity, a knife overturning mechanism is arranged on the left portion in the second driving cavity and comprises a first power shaft which is rotatably arranged between the first driving cavity and the second driving cavity and extends up and down, the first power shaft extends upwards into the first driving cavity and is in power connection with the first motor, the first power shaft extends downwards into the second driving cavity and is fixedly provided with a first belt wheel, the front side is polished so that the back side is polished once during polishing, uniform polishing is realized without human contact, and injury is avoided, the waste grinding mixed water generated by grinding the cutter can be automatically cleaned, and the grinding disc is convenient to replace.

Description

Domestic cutter cutting edge grinding device

Technical Field

The invention relates to the technical field of the basic non-cutting processing of metal plates or tubes, bars or profiles, in particular to a household cutter blade grinding device.

Background

The domestic cutter is the indispensable instrument among the daily life, and uses and just to have wearing and tearing to make its passivation, at this moment need polish the cutter, makes the cutter sharper so that use, and the general people of traditional hand skill of polishing hardly master, wastes time and energy, if the misoperation still can be injured, must not pay attention to, and the master of the hand skill of can whetting a knife can not be often on hand again, and the useless mixed water of cutting that produces of whetting a knife is not clear up again simultaneously.

Disclosure of Invention

Aiming at the technical defects, the invention provides a household knife edge polishing device which can overcome the defects.

The invention relates to a household knife blade grinding device, which comprises a machine body, wherein rotating columns are symmetrically arranged on the upper portion of the machine body in the left-right direction, an opening and closing door is rotatably arranged between the rotating columns, a first driving cavity is arranged on the left portion of the machine body, a first motor is fixedly arranged in the first driving cavity, a second driving cavity is arranged below the first driving cavity, a knife overturning mechanism is arranged on the left portion of the second driving cavity and comprises a first power shaft which is rotatably arranged between the first driving cavity and the second driving cavity and extends up and down, the first power shaft extends upwards into the first driving cavity and is in power connection with the first motor, a first belt wheel is fixedly arranged in the second driving cavity in a downward extending mode, a trapezoidal column fixedly connected with the first power shaft is arranged below the first belt wheel, a rotating disc fixedly connected with the first power shaft is arranged below the trapezoidal column, the right side of the upper part of the rotary table is fixedly provided with an annular rack, the upper end of the annular rack is meshed with a gear, the left end of the gear is fixedly provided with a ball body in sliding fit with the trapezoidal column, the right end of the gear is fixedly provided with a guide rod, the middle part of the guide rod is rotatably provided with a first rotating block, the front and the back of the first rotating block are symmetrically and fixedly provided with a first rotating pin, the first rotating pin is rotatably provided with a limit block fixedly connected with the front end wall of the second driving cavity, the right end of the guide rod is fixedly provided with a first fixed block, the first fixed block is slidably provided with clamping plates which are vertically symmetrical, the clamping plates are connected through a threaded rod, the upper part of the threaded rod is fixedly provided with a second rotating block, the lower end of the first rotating pin is fixedly provided with a steering rod, the left end of the steering rod is fixedly provided with a, the right side of the cutter overturning mechanism is provided with a transmission mechanism, the right side of the transmission mechanism is provided with a water dipping mechanism, and the rear side of the transmission mechanism is provided with a cleaning mechanism.

Preferably, the transmission mechanism comprises a rotating cavity positioned above the second driving cavity, a first rotating shaft extending up and down is rotatably arranged between the second driving cavity and the rotating cavity, the first rotating shaft extends upwards into the rotating cavity and is fixedly provided with a second belt wheel, the first rotating shaft extends downwards into the second driving cavity and is fixedly provided with a third belt wheel, the third belt wheel is in power connection with the first belt wheel through a second belt, the lower end of the first rotating shaft can be in sliding fit with a grinding disc, the grinding disc is in sliding fit with the machine body, a second rotating shaft extending up and down is rotatably arranged between the second driving cavity and the rotating cavity, the second axis of rotation upwards extends to rotate the intracavity and fixed mounting has the fourth band pulley, the fourth band pulley through first belt with second band pulley power is connected.

Preferably, the water dipping mechanism comprises a first connecting block fixedly connected with the right wall end of the second driving cavity, the left end of the first connecting block is rotatably provided with a rotary rod, the left end of the rotary rod is fixed with a rotary block, the rotary block is internally and slidably provided with a sliding rod, the lower end of the sliding rod is fixed with a turnover block, the lower end of the turnover block is fixed with a sponge, the lower end of the sponge is provided with a water tank, the right end of the turnover block is fixed with a second rotating pin, the right end of the second rotating pin is rotatably matched with a first rotating rod, the front end of the first rotating rod is fixed with a third rotating pin, the third rotating pin is rotatably matched with a second fixed block, the upper end of the second fixed block is fixed with a third fixed block, the third fixed block is fixedly connected with the first connecting block, the right end of the third rotating pin is fixed with a second rotating rod, and the second rotating rod is perpendicular to, a fourth rotating pin is fixed at the upper end of the second rotating rod, a third rotating rod is rotatably matched at the right end of the fourth rotating pin, a fifth rotating pin is rotatably matched at the lower end of the third rotating rod, a fourth rotating rod is rotatably matched at the left end of the fifth rotating pin, the right end of the fourth rotating rod is provided with a second connecting block fixedly connected with the right end wall of the second driving cavity, a rotating groove is arranged in the second connecting block, a third rotating shaft extending rightwards is rotatably arranged between the rotating groove and the fourth rotating rod, the left end of the third rotating shaft is fixedly connected with the fourth rotating rod, the third rotating shaft extends rightwards into the rotating groove and is fixedly provided with a first bevel gear, the upper end of the first bevel gear is engaged with a second bevel gear, the upper end of the second bevel gear is fixedly connected with the second rotating shaft, and a third connecting block fixedly connected with the left end wall of the second driving cavity is arranged at the rear end of the sliding rod.

Preferably, the cleaning mechanism comprises a third driving cavity which is located at the rear end of the second driving cavity and is communicated with the front and back, a second power shaft which extends downwards and is in running fit with the machine body is arranged in the third driving cavity, a rotating wheel is fixed on the surface of the second power shaft, six fan blades are fixed on the surface of the rotating wheel, the second power shaft extends downwards and is in running fit with a second motor which is embedded in the machine body and is located at the lower end of the third driving cavity, a filter screen is arranged at an opening at the rear end of the third driving cavity, a sliding cavity is arranged at the rear end of the third driving cavity, a dust collecting box which is in running fit with the machine body is arranged in the sliding cavity, a base which can rotate around a fifth rotating pin is arranged below the grinding disc, a sliding groove which is located at the lower end of the bottom of the machine body is arranged at the right end of the base, a moving block is arranged in the sliding groove, the limiting plate penetrates through the sliding groove, the limiting plate is fixedly connected with the moving block, and a second spring wound on the surface of the limiting plate is fixed at the right end of the moving block.

The beneficial effects are that: the automatic grinding machine is simple and convenient to operate and simple in structure, water is injected during working, the automatic grinding of the cutter is waited, the front side is ground while the back side is ground once during grinding, the grinding is uniform, the damage is avoided without human contact, waste grinding mixed water generated by grinding can be automatically cleaned, and the grinding disc replacement is also simple and convenient.

Drawings

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

FIG. 1 is a schematic structural view of a household knife edge polishing device according to the present invention;

FIG. 2 is a schematic structural diagram taken at A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram at B-B in FIG. 1 according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of the structure of the steering rod 32 in fig. 1 according to the embodiment of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a household knife blade grinding device, which comprises a machine body 1, wherein rotating columns 2 are symmetrically arranged at the left and right of the upper part of the machine body 1, an opening and closing door 3 is rotatably arranged between the rotating columns 2, a first driving cavity 47 is arranged at the left part of the machine body 1, a first motor 46 is fixedly arranged in the first driving cavity 47, a second driving cavity 14 is arranged below the first driving cavity 47, a knife turning mechanism is arranged at the left part in the second driving cavity 14, the knife turning mechanism comprises a first power shaft 45 which is rotatably arranged between the first driving cavity 47 and the second driving cavity 14 and extends up and down, the first power shaft 45 extends upwards into the first driving cavity 47 to be in power connection with the first motor 46, a first belt wheel 44 is fixedly arranged in the second driving cavity 14 and extends downwards, a trapezoidal column 42 fixedly connected with the first power shaft 45 is arranged below the first belt wheel 44, trapezoidal post 42 below be equipped with first power shaft 45 fixed connection's carousel 37, carousel 37 upper portion right side fixed mounting has annular rack 35, the meshing of annular rack 35 upper end has gear 34, gear 34 left end be fixed with trapezoidal post 42 sliding fit's spheroid 36, gear 34 right-hand member is fixed with guide bar 33, guide bar 33 mid-rotation installs first turning block 69, symmetrical fixed mounting has first turning pin 62 around first turning block 69, first turning pin 62 normal running fit have with second drive chamber 14 front end wall fixed connection's stopper 63, guide bar 33 right-hand member fixed mounting has first fixed block 66, sliding fit has the splint 67 of longitudinal symmetry in first fixed block 66, splint 67 passes through the threaded rod 65 and connects, threaded rod 65 upper portion is fixed with second turning block 64, first rotation pin 62 lower extreme is fixed with steering column 32, steering column 32 left end is fixed with spring 38, spring 38 left end be fixed with second drive chamber 14 left side wall end fixed connection block 41, cutter tilting mechanism right side is equipped with drive mechanism, the drive mechanism right side is equipped with the mechanism of dipping in water, the drive mechanism rear side is equipped with clearance mechanism.

Advantageously, the transmission mechanism comprises a rotation chamber 4 located above the second driving chamber 14, a first rotation shaft 5 extending up and down is rotatably mounted between the second driving chamber 14 and the rotation chamber 4, the first rotation shaft 5 extends up into the rotation chamber 4 and is fixedly mounted with a second pulley 6, the first rotation shaft 5 extends down into the second driving chamber 14 and is fixedly mounted with a third pulley 31, the third pulley 31 is in power connection with the first pulley 44 through a second belt 43, the lower end of the first rotation shaft 5 is slidably fitted with a grinding disc 54, the grinding disc 54 is slidably fitted with the machine body 1, a second rotation shaft 13 extending up and down is rotatably mounted between the second driving chamber 14 and the rotation chamber 4, the second rotation shaft 13 extends up into the rotation chamber 4 and is fixedly mounted with a fourth pulley 12, the fourth belt wheel 12 is in power connection with the second belt wheel 6 via a first belt 9.

Beneficially, the water dipping mechanism comprises a first connecting block 15 fixedly connected with the right wall end of the second driving cavity 14, the left end of the first connecting block 15 is rotatably installed with a rotating rod 10, the left end of the rotating rod 10 is fixedly provided with a rotating block 8, a sliding rod 7 is slidably installed in the rotating block 8, the lower end of the sliding rod 7 is fixed with a turning block 52, the lower end of the turning block 52 is fixed with a sponge 53, the lower end of the sponge 53 is provided with a water tank 30, the right end of the turning block 52 is fixed with a second rotating pin 50, the right end of the second rotating pin 50 is rotatably matched with a first rotating rod 51, the front end of the first rotating rod 51 is fixed with a third rotating pin 18, the third rotating pin 18 is rotatably matched with a second fixing block 19, the upper end of the second fixing block 19 is fixed with a third fixing block 11, the third fixing block 11 is fixedly connected with the first connecting block 15, the right end of the third rotating pin 18 is fixed with a second fixing block, the second dwang 17 perpendicular to first dwang 51, second dwang 17 upper end is fixed with

fourth rotation pin

16, 16 right-hand member normal running fit of fourth rotation pin has third dwang 20, third dwang 20 lower extreme normal running fit has fifth rotation pin 21, fifth dwang 21 left end normal running fit has fourth dwang 29, fourth dwang 29 right-hand member be equipped with second drive chamber 14 right-hand member wall fixed connection's second connecting block 70, be equipped with rotation groove 26 in the second connecting block 70, rotation groove 26 with the third axis of rotation 28 that extends right is installed in the rotation between the fourth dwang 29, third axis of rotation 28 left end with fourth dwang 29 fixed connection, third axis of rotation 28 extends right in rotation groove 26 and fixed mounting have first bevel gear 27, the meshing of first bevel gear 27 upper end has second bevel gear 22, the upper end of the second bevel gear 22 is fixedly connected with the second rotating shaft 13, and the rear end of the sliding rod 7 is provided with a third connecting block 49 fixedly connected with the left end wall of the second driving cavity 14.

Advantageously, the cleaning mechanism comprises a third driving chamber 56 located at the rear end of the second driving chamber 14 and communicating with the front and back, a second power shaft 55 extending downward and rotatably engaged with the machine body 1 is provided in the third driving chamber 56, a rotating wheel 61 is fixed on the surface of the second power shaft 55, six fan blades 60 are fixed on the surface of the rotating wheel 61, the second power shaft 55 extends downward and is in power connection with a second motor 48 embedded in the machine body 1 and located at the lower end of the third driving chamber 56, a filter screen 59 is provided at the rear end opening of the third driving chamber 56, a sliding chamber 58 is provided at the rear end of the third driving chamber 56, a dust collecting box 57 slidably engaged with the machine body 1 is provided in the sliding chamber 58, a base rotatable around a fifth rotating pin 40 is provided below the grinding disc 54, a sliding groove 71 is provided at the lower end of the bottom of the machine body 1 at the right end of the base, a moving block 24 is slidably mounted in the sliding groove 71, a limiting plate 25 which can extend into the base and extend out of the machine body 1 is arranged at the right end of the base, the limiting plate 25 penetrates through the sliding groove 71, the limiting plate 25 is fixedly connected with the moving block 24, and a second spring 23 wound on the surface of the limiting plate 25 is fixed at the right end of the moving block 24.

In an initial state, the trapezoidal column 42 is in contact with the ball 36, the first rotating block 69 is kept in a downward reverse state, the spring 38 is in a state to be stretched, the steering rod 32 rotates leftwards around the first rotating pin 62 by a certain angle, the clamping plate 67 is located at the upper end and the lower end of the first fixing block 66, the sponge is in contact with the water tank 30, the first rotating rod 51 extends upwards in the front-rear direction, and the second rotating rod 17 is upright.

When the machine starts to work, the opening and closing door 3 is opened manually, a cutter to be polished is placed between the clamping plates 67, the second rotating block 64 is rotated by the manual tool to rotate the threaded rod 65, the clamping plates 67 are driven to move downwards to clamp the cutter, the opening and closing door 3 is closed, the first motor 46 is started, the first power shaft 45 rotates to drive the trapezoidal column 42 to rotate, the trapezoidal column is contacted with the ball 36 to rotate upwards for a certain angle, the gear 34 is driven to move upwards, the first power shaft 45 rotates to drive the rotating disc 37 to rotate, the annular rack 35 rotates, the gear 34 is in meshing transmission with the annular rack 35, the guide rod 33 moves upwards due to the upward movement of the gear 34, the first rotating block 69 rotates for a certain angle around the first rotating pin 62, the steering rod 32 swings rightwards for a certain angle around the first rotating pin 62, the spring 38 stretches, and the guide rod 33 rotates due to the rotation of the gear 34 to drive the clamping plates 67, the first power shaft 45 drives the first pulley 44 to rotate, the second belt 43 slides to drive the third pulley 31 to rotate, so that the first rotating shaft 5 rotates to drive the grinding disc 54 to rotate, when the trapezoidal column 42 continues to rotate the gear 34 and the annular rack 35 no longer engage for transmission, the spring 38 pulls back to make the knife blade part contact with the grinding disc 54, thereby grinding the knife blade, because the first rotating shaft 5 rotates to rotate the second pulley 6, the first belt 9 slides to drive the fourth pulley 12 to rotate, so that the second rotating shaft 13 rotates to drive the second bevel gear 22 to rotate, the first bevel gear 27 is driven to rotate, the third rotating shaft 28 rotates to drive the fourth rotating rod 29 to rotate, so that the third rotating rod 20 reciprocates to drive the second rotating rod 17 to reciprocate ninety degrees, so that the first rotating rod 51 rotates ninety degrees, the turning block 52 rotates a little bit downwards and then turns ninety degrees, so that the sponge water turns over to contact with the third connecting block 49 to make the water flow downwards to the knife, the above motions are all reciprocating motions, so that the purpose of repeatedly polishing the cutting edge is achieved, after polishing is completed, the first motor 46 is closed, the second motor 48 is opened, the second power shaft 55 rotates at a high speed to drive the high-speed rotating wheel 61 to rotate, the fan blades 60 rotate at a high speed, and residue water generated by polishing is soaked in the dust collecting box 57 in a sucking mode.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. A household knife edge grinding device comprises a machine body, wherein rotation columns are symmetrically arranged on the left and right of the upper portion of the machine body, an opening and closing door is installed between the rotation columns in a rotating mode, a first driving cavity is formed in the left portion of the machine body, a first motor is fixedly arranged in the first driving cavity, a second driving cavity is arranged below the first driving cavity, a knife overturning mechanism is arranged on the left portion of the second driving cavity and comprises a first power shaft which is rotatably installed between the first driving cavity and the second driving cavity and extends up and down, the first power shaft extends upwards into the first driving cavity and is in power connection with the first motor, the first power shaft extends downwards into the second driving cavity and is fixedly provided with a first belt wheel, a trapezoidal column fixedly connected with the first power shaft is arranged below the first belt wheel, and a turntable fixedly connected with the first power shaft is arranged below the trapezoidal column, the right side of the upper part of the rotary table is fixedly provided with an annular rack, the upper end of the annular rack is meshed with a gear, the left end of the gear is fixedly provided with a ball body in sliding fit with the trapezoidal column, the right end of the gear is fixedly provided with a guide rod, the middle part of the guide rod is rotatably provided with a first rotating block, the front and the back of the first rotating block are symmetrically and fixedly provided with a first rotating pin, the first rotating pin is rotatably provided with a limit block fixedly connected with the front end wall of the second driving cavity, the right end of the guide rod is fixedly provided with a first fixed block, the first fixed block is slidably provided with clamping plates which are vertically symmetrical, the clamping plates are connected through a threaded rod, the upper part of the threaded rod is fixedly provided with a second rotating block, the lower end of the first rotating pin is fixedly provided with a steering rod, the left end of the steering rod is fixedly provided with a, the right side of the cutter overturning mechanism is provided with a transmission mechanism, the right side of the transmission mechanism is provided with a water dipping mechanism, and the rear side of the transmission mechanism is provided with a cleaning mechanism.

2. A household knife-edge sharpening device according to claim 1, characterized in that: drive mechanism is including being located the rotation chamber of second drive chamber top, second drive chamber with rotate between the chamber and install the first axis of rotation of extending from top to bottom, first axis of rotation upwards extends to rotate intracavity and fixed mounting have the second band pulley, first axis of rotation downwardly extending extremely second drive intracavity and fixed mounting have the third band pulley, the third band pulley pass through the second belt with first band pulley power is connected, but first axis of rotation lower extreme sliding fit has the mill, the mill with organism sliding fit, second drive chamber with rotate between the chamber and install the second axis of rotation of extending from top to bottom, the second axis of rotation upwards extends to rotate intracavity and fixed mounting have the fourth band pulley, the fourth band pulley through first belt with second band pulley power is connected.

3. A household knife-edge sharpening device according to claim 2, characterized in that: the water dipping mechanism comprises a first connecting block fixedly connected with the right wall end of the second driving cavity, the left end of the first connecting block is rotatably provided with a rotary rod, the left end of the rotary rod is fixed with a rotary block, the rotary block is internally and slidably provided with a sliding rod, the lower end of the sliding rod is fixed with a turnover block, the lower end of the turnover block is fixed with a sponge, the lower end of the sponge is provided with a water tank, the right end of the turnover block is fixed with a second rotary pin, the right end of the second rotary pin is rotatably matched with a first rotary rod, the front end of the first rotary rod is fixed with a third rotary pin, the third rotary pin is rotatably matched with a second fixed block, the upper end of the second fixed block is fixed with a third fixed block, the third fixed block is fixedly connected with the first connecting block, the right end of the third rotary pin is fixed with a second rotary rod, and the second rotary rod is perpendicular, a fourth rotating pin is fixed at the upper end of the second rotating rod, a third rotating rod is rotatably matched at the right end of the fourth rotating pin, a fifth rotating pin is rotatably matched at the lower end of the third rotating rod, a fourth rotating rod is rotatably matched at the left end of the fifth rotating pin, the right end of the fourth rotating rod is provided with a second connecting block fixedly connected with the right end wall of the second driving cavity, a rotating groove is arranged in the second connecting block, a third rotating shaft extending rightwards is rotatably arranged between the rotating groove and the fourth rotating rod, the left end of the third rotating shaft is fixedly connected with the fourth rotating rod, the third rotating shaft extends rightwards into the rotating groove and is fixedly provided with a first bevel gear, the upper end of the first bevel gear is engaged with a second bevel gear, the upper end of the second bevel gear is fixedly connected with the second rotating shaft, and a third connecting block fixedly connected with the left end wall of the second driving cavity is arranged at the rear end of the sliding rod.

4. A household knife-edge sharpening device according to claim 3, characterized in that: the cleaning mechanism comprises a third driving cavity which is positioned at the rear end of the second driving cavity and is communicated with the front and the back, a second power shaft which extends downwards and is in running fit with the machine body is arranged in the third driving cavity, a rotating wheel is fixed on the surface of the second power shaft, six fan blades are fixed on the surface of the rotating wheel, the second power shaft extends downwards and is in power connection with a second motor which is embedded in the machine body and is positioned at the lower end of the third driving cavity, a filter screen is arranged at the opening at the rear end of the third driving cavity, a sliding cavity is arranged at the rear end of the third driving cavity, a dust collecting box which is in running fit with the machine body is arranged in the sliding cavity, a base which can rotate around a fifth rotating pin is arranged below the grinding disc, a sliding groove which is positioned at the lower end of the bottom of the machine body is arranged at the right end of the base, a moving block is arranged in the, the limiting plate penetrates through the sliding groove, the limiting plate is fixedly connected with the moving block, and a second spring wound on the surface of the limiting plate is fixed at the right end of the moving block.