CN104070424A - Electric knife sharpener - Google Patents
Electric knife sharpener Download PDFInfo
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- CN104070424A CN104070424A CN201410314860.2A CN201410314860A CN104070424A CN 104070424 A CN104070424 A CN 104070424A CN 201410314860 A CN201410314860 A CN 201410314860A CN 104070424 A CN104070424 A CN 104070424A
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- whetstone
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- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 8
- 210000002105 tongue Anatomy 0.000 claims description 113
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 42
- 230000013011 mating Effects 0.000 claims description 19
- 230000009471 action Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 241000270295 Serpentes Species 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000004575 stone Substances 0.000 abstract 2
- 238000000227 grinding Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 13
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- 230000006870 function Effects 0.000 description 4
- 230000017105 transposition Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 229910001651 emery Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical group CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
- B24D15/06—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges
- B24D15/08—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses an electric knife sharpener. The electric knife sharpener comprises a rack, a drive motor, a knife rest and a knife sharpening stone device, wherein the knife rest is connected to a base; a first screw rod and a second screw rod which are provided with reciprocating spiral grooves are rotationally supported on the rack respectively, a first slide sleeve and a second slide sleeve are installed on the first screw rod and the second screw rod respectively in a sleeving manner, a first pin shaft which is in slide fit in the reciprocating spiral groove of the first screw rod is fixedly connected to the first slide sleeve, and the first slide sleeve is fixedly connected to the base of the knife rest; a second slide sleeve is installed on the second rod in a sleeving manner, a second pin shaft which is in slide fit in the reciprocating spiral groove of the second screw rod is fixedly connected to the second slide sleeve, and the second slide sleeve is fixedly connected to the knife sharpening stone device; the drive motor is controlled by a control system and used for driving the first screw rod and the second screw rod to rotate according to set directions respectively by virtue of a transmission box with rotary power output. The electric knife sharpener disclosed by the invention has the beneficial effects of simple structure, low manufacturing cost, convenient installation and debugging, and few fault hidden dangers.
Description
Technical field
Patent of the present invention relates to a kind of knife sharpener, particularly a kind of electric knife grinder grinding for Kitchen knife.
Background technology
The principal item of Kitchen knife is kitchen knife.Existing Kitchen knife adopts two kinds of lapping modes conventionally, the one, the hand grinding that adopts whetstone directly to be moved back and forth on whetstone by the hand-held cutter of sharpening personnel, this grinding method efficiency is low, labour intensity is large, and Grinding Quality is uneven, after grinding, all the whetted a knife height of personnel's level of skill of the waste of the sharpness of cutter, the service life after grinding once and a cutter of every grinding affects.The 2nd, the knife sharpener grinding that utilizes revolving wheel to form, its tool feeding mode comprises by artificial hand-held cutter hand feed and feed mechanism carries out mechanical feed.But existing knife sharpener is all to adopt the emery wheel of rotation to carry out tool grinding as milling tool, and its tool abrasion is large, and cutter life is low, and the emery wheel body abrasive particle that is scattered that easily splashes, easily kitchen environment is polluted.For this reason, the applicant in February, 2014 21Xiang China national Department of Intellectual Property submit applications a kind of patent application of Kitchen knife electric knife grinder, the application number of this application is: 201410058816.X, and publication date is on May 28th, 2014, notification number is: CN103817608A.This knife sharpener adopts bar shaped whetstone and cutter to come and go mobile mode and whets a knife, comprise frame, drive motors and control system, frame is provided with knife rest and is installed on the whetstone device of bar shaped whetstone, and knife rest is driven along whetstone and longitudinally moved back and forth by toggle by drive motors, whetstone device is converted to linear reciprocation by another motor and screw pair drive mechanism by rotatablely moving of motor and moves, or by rack-and-pinion drive mechanism, respectively moving back and forth of knife rest both sides moved to be converted to and rotatablely move, by screw pair drive mechanism, will rotatablely move and be converted to traveling priority again, simultaneously, by rotatablely moving of isolator both sides, two-sided rotational movement is converted to positive and negative both direction leading screw rotation input, and changement is selected an access leading screw by forward and reverse rotation input, thereby the transverse reciprocating of realizing whetstone moves, met the grinding of whole cutter blade face.It is complicated that its knife rest moves the drive mechanism moving with whetstone, exists and manufacture difficulty and the many deficiencies of potential faults.In addition, whetstone is provided with the bar shaped whetstone installing component of the highly automated compensation of whetstone, in tool lapping process, bar shaped whetstone installing component is after the grinding face height of whetstone is reduced to a certain degree, whetstone height is carried out to auto-compensation, to keep tool sharpening pressure, guarantee to whet a knife efficiency and effect, but also there is baroque defect in this bar shaped whetstone installing component.For this reason, further improve.
Summary of the invention
The present invention seeks to for the deficiencies in the prior art, a kind of electric knife grinder is provided, this knife sharpener structure is simple, low cost of manufacture, and installation and debugging are convenient, and potential faults is few.
For achieving the above object, the present invention adopts following technical scheme.
A kind of electric knife grinder, comprise frame and the drive motors being connected with control system, frame is provided with knife rest and whetstone device, and whetstone device comprises for installing the bar shaped whetstone installing component of bar shaped whetstone, and the length direction after the installation of bar shaped whetstone is consistent with stands longitudinal; Knife rest comprises knife rest pedestal, cutter holding parts and position rotaring motor, and this knife rest pedestal is movably connected in described frame and can moves back and forth along stands longitudinal; It is characterized in that, in described frame, rotational support has and has reciprocal spiral fluted the first screw rod and the second screw rod respectively, on the first screw rod and the second screw rod, be respectively installed with the first sliding sleeve and the second sliding sleeve, on this first sliding sleeve, be fixedly connected with the first bearing pin in the reciprocal helicla flute that is slidably fitted in the first screw rod, and this first sliding sleeve is fixedly connected on described knife rest pedestal; On the second screw rod, be set with the second sliding sleeve, on this second sliding sleeve, be fixedly connected with the second bearing pin in the reciprocal helicla flute that is slidably fitted in the second screw rod, and this second sliding sleeve is fixedly connected on described whetstone device; Described drive motors is controlled by control system and is driven respectively the first screw rod and the second screw rod to rotate by direction initialization by having the transmission case of rotary power output.
The present invention of aforementioned techniques scheme is based on application number, to be the improvement of 201410058816.X knife sharpener, wherein, knife rest part and whetstone device all can adopt structure identical in aforementioned application, improved part is at the motivation transfer motion part of knife rest and whetstone device, improve moving back and forth by thering are two screw rods of reciprocal spiral fluted and being sleeved on screw rod of back tool rest and whetstone device, and two sliding sleeves that are separately fixed on knife rest and whetstone device are realized, the transmission case of the rotary power of screw rod by having rotary power output is by the output that rotatablely moves of motor shaft, do not need to carry out the transmission mechanism conversion that crank connecting link or rack-and-pinion etc. are complicated, its drive path is short, simple in structure, low cost of manufacture, installation and debugging are convenient, and potential faults is few.Wherein, whetstone device comprises bar shaped whetstone installing component, base and bottom base, base is connected to bar shaped whetstone installing component below, and between the two, be provided with sharpening pressure-loaded spring, pedestal is located at base below, bar shaped whetstone installing component, base and bottom base three form synchronization-moving syndeton, whetstone device is connected with the second sliding sleeve by bottom base, and be movably connected in frame and can move along frame lateral shuttle by bottom base, bar shaped whetstone installing component has the highly automated collocation structure of whetstone, between base and bottom base, be formed with the height adjusting structure of base, to change the height of base by this adjustment structure, thereby realize under the constant situation of on whetstone plane and bottom base lower plane total height, change the decrement of sharpening pressure-loaded spring, realize the adjusting of sharpening pressure.The disclosure in first to file, applying this pressure controlled object is to realize sharpening pressure automatically to discharge, to realize the light sword of little sharpening pressure in the last stage of whetting a knife, grind, prevent that cutter is turned, the application adopts identical structure to realize the identical automatic release function of sharpening pressure.Equally, knife rest comprises knife rest pedestal, cutter holding parts and position rotaring motor, cutter holding parts are realized the grinding on cutter two sides by position rotaring motor transposition, this knife rest is fixedly connected with the first sliding sleeve by knife rest pedestal, and be movably connected in frame and can move back and forth along stands longitudinal by knife rest pedestal, the application's knife rest adopts this in the identical structure of first to file, realizes the function of cutter holding parts transposition.
Preferably, the input of described transmission case is connected with the output shaft of described drive motors, and transmission case is provided with two rotation outputs, and one of them output is connected with the first screw rod, and another output is connected with described the second screw rod by driving snake.By two outputs, can obtain two different rotating speeds and export, to adapt to knife rest, move the setting in proportion that number of times and whetstone device move number of times; Meanwhile, utilize the flexible characteristic of flexible axle, can realize easily the power transmission between different spatial.
Further preferred, two output axis of described transmission case are vertical.To adapt to knife rest and whetstone device, come and go the orthogonal requirement of moving direction, further guarantee the convenience of installation and debugging.Its orthogonal axis relation can realize by Bevel Gear Transmission auxiliary structure or Worm Wheel System auxiliary driving structure, when adopting Worm Wheel System auxiliary driving structure, can fully meet that to be respectively used to knife rest different with the reciprocal spiral fluted screw rod of having of whetstone device input speed, and the requirement differing greatly.
Preferably, described bar shaped whetstone installing component comprises two U-shaped cutter guided plates, whetstone holder, and the support component mainly being formed by pedestal, this support component is fixedly connected with respectively described two U-shaped cutter guided plates by pedestal two headwall end faces, the U-shaped opening of U-shaped cutter guided plate arranges in opposite directions, and it is outside that U-shaped is partly used for being enclosed in bar shaped whetstone, this support component is respectively equipped with by the two ends inner wall of pedestal multistage support level whetstone holder being provided support for when whetstone holder is elevated to respective heights, between two headwalls, be fixedly connected with two crossbeams that are distributed in whetstone holder both sides, between pedestal and whetstone holder, be provided with guide frame and whetstone holder height compensation device that whetstone holder moves, this height compensation device comprises compensation bar and counterbalance spring, compensation bar is slidably fitted in the mating holes of crossbeam by its bar portion section, compensation bar upper end is hinged with lead arm, described counterbalance spring is sleeved on the bar portion periphery of compensation bar and is connected between described crossbeam and lead arm, is provided with and makes lead arm end face by counterbalance spring, keep the axial limit structure of setting height between compensation bar and crossbeam, described compensation bar lower end is fixedly connected with the unidirectional gullet plates of 2～3 compensation that are set up in parallel and forms compensation tooth plate groups, compensates unidirectional gullet plate and is provided with along short transverse and distributes and have a plurality of unidirectional sawtooth of the leveling saw flank of tooth, described whetstone holder is provided with the Self-resetting compensation gear tongue that quantity equates with the unidirectional gullet plate quantity of compensation compensating in tooth plate group, with in compensation tooth plate group, compensate unidirectional gullet plate one to one 2～3 compensation gear ligulates become a compensation gear tongue group, 2～3 compensation gear tongues in same compensation gear tongue group are along the tooth pitch direction dislocation of the unidirectional gullet plate of compensation, and its dislocation direction is identical with the corresponding unidirectional gullet plate of compensation with distance, 2～3 compensation gear tongues in same compensation gear tongue group are located on same compensation gear tongue seat, removable being fixedly connected on whetstone holder of this compensation gear tongue seat, compensation gear tongue auto-extending under Self-resetting spring action, its front end contacts with the corresponding pitch face of the unidirectional gullet plate of compensation.Adopt the described bar shaped whetstone installing component of this structure, on whetstone holder, install fixedly after bar shaped whetstone, on bar shaped whetstone, plane and lead arm end face are in the same plane, the upper plane of U-shaped cutter guided plate can equal or a little more than bar shaped whetstone, guided plate guiding cutter enters smoothly whetstone region and carries out tool grinding.In sharpening process, whetstone is loss gradually, and on it, plane, gradually lower than lead arm end face, when cutter is positioned at lead arm end face, is oppressed counterbalance spring by lead arm, and compensation bar is declined; When cutter leaves lead arm end face, compensation bar and lead arm go back up to the altitude datum of setting at counterbalance spring.In compensation bar decline or rise process, the compensation gear tongue on whetstone holder is under Self-resetting spring action, and this compensation keeps off tongue auto-extending under Self-resetting spring action, and its front end contacts with the corresponding pitch face of the unidirectional gullet plate of compensation.In compensation bar decline process, be connected to the unidirectional gullet plate pushing of the compensation compensation gear gyrus lingulais contracting on compensation bar; In compensation bar rise process, compensation gear tongue auto-extending under Self-resetting spring action, its front end enters in the space between the two adjacent helical teeth that compensate unidirectional gullet plate.When the wearing and tearing of bar shaped whetstone thickness reach the tooth pitch value of the unidirectional gullet plate of compensation, compensation gear tongue stretches in the space between next two adjacent helical teeth.In compensation bar rise process, compensate the upper plane of unidirectional gullet plate by unidirectional tooth and drive the whetstone holder setting height that rises, thereby complete the compensation of a setting height.And when each compensation, by the wherein unidirectional gullet plate of compensation and the compensation gear tongue of arbitrary correspondence, completed, when the unidirectional gullet plate dislocation of compensation distance equates, its offset is 1/2nd or 1/3rd of the unidirectional gullet plate of compensation.Thereby realize, setting under the condition of tooth pitch, by increase, compensating number of times and implement timely compensation with the mode that reduces single offset; Or, in the situation that setting single offset, increase the unidirectional gullet plate tooth pitch of single compensation, thereby by strengthening the mode of physical dimension, improve intensity and the service life of the unidirectional gullet plate of compensation and compensation gear tongue.It is simple in structure, easy to process, and manufacturing cost and use cost is low, and has effectively reduced potential faults point quantity, and compensation in time.
Further preferred, described compensation gear tongue comprises right angle quadrilateral prism shape gear tongue main body, and gear tongue body front end has guiding surface, and gear tongue body rear forms shell portion; Described compensation gear tongue seat is provided with respectively and keeps off the gear tongue main body of tongue and two sections of mating holes that shell portion forms matched in clearance with compensation, and two sections of mating holes are communicated with, and in cylindrical section mating holes, by thread matching structure, are screwed with plug screw; Described Self-resetting spring is connected between plug screw and compensation gear tongue.Guarantee not rotate in compensation gear tongue moving process, and simple in structure easy to process.
Further preferred, on the inwall of described pedestal two headwalls, be fixedly connected with respectively at least one group by the support tooth plate group that supports unidirectional tooth plate and form, the unidirectional tooth plate quantity of support in this support tooth plate group and the unidirectional gullet plate quantity of the compensation correspondent equal in described arbitrary compensation tooth plate group, this supports the support level that on a plurality of unidirectional tooth of unidirectional tooth plate, the paired whetstone holder of planar shaped provides support, and this unidirectional tooth that supports unidirectional tooth plate has identical tooth pitch with the unidirectional gullet plate of described compensation; Described whetstone holder be provided with described support tooth plate group in the unidirectional tooth plate of support Self-resetting support block tongue one to one, this support block tongue auto-extending under Self-resetting spring action, its front end contacts with the corresponding pitch face that supports unidirectional tooth plate, and the bottom supporting that whetstone holder passes through support block tongue is on the described support level of correspondence.So that whetstone holder is after each altimetric compensation, pedestal is by supporting unidirectional tooth plate and the support of support block tongue to whetstone holder, and the changing value of bearing height and whetstone altimetric compensation value match, and guarantees altimetric compensation effect.
Further preferred again, described 2～3 support block tongues are located on same support block tongue seat, and support block tongue seat is removable is fixedly connected on whetstone holder for this.Being convenient to processing and manufacturing and maintenance maintenance changes.
Further preferred again, described support block tongue comprises right angle quadrilateral prism shape gear tongue main body, and gear tongue body front end has guiding surface, and gear tongue body rear forms shell portion; Described support block tongue seat is provided with respectively two sections of mating holes that gear tongue main body and shell portion with support block tongue form matched in clearance, and two sections of mating holes are communicated with, and in cylindrical section mating holes, by thread matching structure, are screwed with obstruction; Described Self-resetting spring is connected between plug screw and support block tongue.Identical with the structural correspondence of compensation gear tongue with structure and the support block tongue of compensation gear tongue seat to be suitable for supporting structure, the support block tongue seat of unidirectional tooth plate with the unidirectional gullet plate of compensation.Being convenient to processing and manufacturing, is the sharpening support force of guaranteeing to provide enough, and width that can support block tongue is set to be greater than the width of compensation gear tongue seat, and the corresponding construction size of the unidirectional tooth plate of respective support and support block tongue seat is carried out correspondence increase.
Further preferred, described compensation bar is provided with gathering sill; Described crossbeam is provided with front end and is slidably fitted in the anti-turn screw in gathering sill.By anti-turn screw and coordinating of gathering sill can effectively preventing the rotation of compensation bar in moving up and down process, guarantee the reliability of whetstone altimetric compensation.
Further preferred, described guide frame comprises the two circular leads that are fixedly connected on pedestal bottom plate; Described whetstone holder is slidably matched by guiding circular hole and the formation of described lead which is provided with.Further guarantee simple in structure, easy to process.
Further preferred, on described whetstone holder, be also embedded with fairlead, the guiding circular hole that this fairlead endoporus formation whetstone holder and described lead are slidably matched.To change or repair after lead or fairlead wearing and tearing, by the reduction cost of use that increases the service life.
The invention has the beneficial effects as follows, simple in structure, low cost of manufacture, installation and debugging are convenient, and potential faults is few.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the top view of Fig. 1 of the present invention.
Fig. 3 is the structural representation of whetstone device in the present invention.
Fig. 4 is the top view of bar shaped whetstone installing component in Fig. 3 of the present invention.
Fig. 5 is the left view of bar shaped whetstone installing component in Fig. 3 of the present invention.
Fig. 6 is that in the present invention, three compensation gear tongues 22 are located at the structural representation on same compensation gear tongue seat 23.
Fig. 7 is the top view of Fig. 6 of the present invention.
Fig. 8 is the A-A cutaway view in Fig. 7 of the present invention.
Fig. 9 is the structural representation of transmission case 13 in the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated, but therefore do not limit the present invention among described scope of embodiments.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, a kind of electric knife grinder, comprise frame 1 and the drive motors 2 being connected with control system, frame 1 is provided with knife rest and whetstone device, whetstone device comprises base 33, bottom base 34 and for installing the bar shaped whetstone installing component of bar shaped whetstone 4, length direction and frame 1 vertical consistency after bar shaped whetstone 4 is installed, base 33 is connected to bar shaped whetstone installing component below, and between the two, be provided with sharpening pressure-loaded spring 35, pedestal 34 is located at base 33 belows, bar shaped whetstone installing component, base 33 and bottom base 34 threes form synchronization-moving syndeton, whetstone device is movably connected in frame 1 and can be moved along frame 1 lateral shuttle by bottom base 34, between base 33 and bottom base 34, be formed with the height adjusting structure of base 33, to change the height of base 33 by this adjustment structure, thereby realize under the constant situation of on whetstone plane and bottom base 34 lower plane total heights, change the decrement of sharpening pressure-loaded spring 35, realize the adjusting of sharpening pressure, this height adjusting structure with published in first to file 201410058816.X the structure of this part consistent, to realize the light sword of little sharpening pressure in the last stage of whetting a knife, grind, prevent that cutter is turned, the application adopts identical structure to realize the automatic release function of sharpening pressure.Knife rest comprises knife rest pedestal 5, cutter holding parts 6 and position rotaring motor, cutter holding parts 6 are realized the grinding on cutter two sides by position rotaring motor transposition, this knife rest pedestal 5 is movably connected in described frame 1 and can longitudinally moves back and forth along frame 1, this knife rest part-structure is same consistent with the structure of this part in first to file 201410058816.X, to realize the function of cutter holding parts 6 transpositions; In described frame 1, rotational support has and has reciprocal spiral fluted the first screw rod 7 and the second screw rod 10 respectively, on the first screw rod 7 and the second screw rod 10, be respectively installed with the first sliding sleeve 8 and the second sliding sleeve 11, on this first sliding sleeve 8, be fixedly connected with the first bearing pin 9 in the reciprocal helicla flute that is slidably fitted in the first screw rod 7, and this first sliding sleeve 8 is fixedly connected on described knife rest pedestal 5; On the second screw rod 10, be set with the second sliding sleeve 11, on this second sliding sleeve 11, be fixedly connected with the second bearing pin in the reciprocal helicla flute that is slidably fitted in the second screw rod 10, and this second sliding sleeve 11 is fixedly connected on the bottom base 34 of described whetstone device; Described drive motors 2 is controlled by control system and is driven respectively the first screw rod 7 and the second screw rod 10 to rotate by direction initialization by having the transmission case 13 of rotary power output.The input of this transmission case 13 is connected with the output shaft of described drive motors 2, transmission case 13 is provided with two rotation outputs, one of them output is connected with the first screw rod 7, another output is connected with described the second screw rod 10 by driving snake 14, and two output axis of transmission case 13 are vertical.Specifically transmission case 13 is provided with worm couple and two drive path of cylindrical gear pair, and wherein, the output 13a being connected with the first screw rod 7 is exported by power by cylindrical gear pair drive path, and the axis of this output 13a is parallel with worm screw 13b axis; The output being connected with described the second screw rod 10 consists of the installation shaft 13d of worm gear 13c.
Described bar shaped whetstone installing component comprises two U-shaped cutter guided plates 15, whetstone holder 16, and the support component mainly being formed by pedestal 17, this support component is fixedly connected with respectively described two U-shaped cutter guided plates 15 by 17 liang of headwall end faces of pedestal, the U-shaped opening of cutter guided plate 15 arranges in opposite directions, and U-shaped is partly for being enclosed in the outside of bar shaped whetstone 4, and the upper plane of cutter guided plate 15 is not less than plane on bar shaped whetstone 4, the U-shaped two side arms of cutter guided plate 15 is formed with the lead-in chamfered 15a under oblique; On the two ends inner wall of this support component by pedestal 17, be fixedly connected with respectively two symmetrically arranged support tooth plate groups, arbitrary support tooth plate group is comprised of 3 unidirectional tooth plates 24 of the support being set up in parallel, support the unidirectional tooth plate 24 of support in tooth plate group for when whetstone holder 16 is elevated to respective heights, by a unidirectional tooth that supports unidirectional tooth plate 24 wherein, whetstone holder 16 is provided support to step; Between two headwalls, be fixedly connected with two crossbeams 18 that are distributed in whetstone holder 16 both sides, between pedestal 17 and whetstone holder 16, be provided with the guide frame of whetstone holder 16 and the height compensation device of whetstone holder 16; This guide frame comprises the two circular leads 31 that are fixedly connected on pedestal 17 base plates, and the other end of circular guide pillar 15 is connected on U-shaped cutter guided plate 15; On whetstone holder 16, be also embedded with fairlead 32, the guiding circular hole that these fairlead 32 endoporus formation whetstone holders 16 and described lead 31 are slidably matched; Described whetstone holder 16 is formed and is slidably matched by fairlead 32 endoporus and described lead 31.Between the base plate of pedestal 17 and whetstone holder 16, be provided with the first Compress Spring 36, be beneficial to 16 compensation of whetstone holder and promote; Between whetstone holder 16 and U-shaped cutter guided plate 15, be provided with the second Compress Spring 37, to improve, support the stability that 24 pairs of whetstone holders of unidirectional tooth plate 16 support, the first Compress Spring 36 and the second Compress Spring 37 are all sleeved on described lead 31; Described height compensation device comprises compensation bar 19 and counterbalance spring 26, and compensation bar 19 is slidably fitted in the mating holes of crossbeam 18 by its bar portion section, and compensation bar 19 upper ends are hinged with lead arm 20, and compensation bar 19 is provided with gathering sill 19a; Described crossbeam 18 is provided with front end and is slidably fitted in the anti-turn screw 30 in gathering sill 19a; Described counterbalance spring 26 is sleeved on the bar portion periphery of compensation bar 19 and is connected between described crossbeam 18 and lead arm 20, between compensation bar 19 and crossbeam 18, be provided with and make lead arm 20 end faces by counterbalance spring 26, keep the axial limit structure of setting heights, this axial limit structure consists of the shaft shoulder that is formed on cross section on compensation bar 19 and is greater than mating holes on crossbeam 184; Described compensation bar 19 lower ends are fixedly connected with 3 unidirectional gullet plates 21 of the compensation being set up in parallel, this compensates unidirectional gullet plate 21 and is provided with along short transverse and distributes and have a plurality of unidirectional sawtooth of the leveling saw flank of tooth, 3 unidirectional gullet plates 21 of compensation form compensation tooth plate group, and 3 unidirectional gullet plates 21 of compensation in compensation tooth plate group are along tooth pitch direction successively equidistant dislocation; Described whetstone holder 16 is provided with the Self-resetting compensation gear tongue 22 that quantity equates with the unidirectional gullet plate 21 of compensation, with in compensation tooth plate group, compensate unidirectional gullet plate 21 one to one 3 compensation gear tongues 22 form compensation gear tongue groups, 3 compensation gear tongues 22 in same compensation gear tongue group are along the tooth pitch direction dislocation of the unidirectional gullet plate 21 of compensation, and its dislocation direction is identical with the corresponding unidirectional gullet plate 8 of compensation with distance; 3 compensation gear tongues 22 in same compensation gear tongue group are located on same compensation gear tongue seat 23, these compensation gear tongue seat 23 removable being fixedly connected on whetstone holder 16; Compensation gear tongue 22 is auto-extending under 29 effects of Self-resetting spring, and its front end contacts with the corresponding pitch face of the unidirectional gullet plate 21 of compensation.Described compensation gear tongue 22 comprises right angle quadrilateral prism shape gear tongue main body, and gear tongue body front end has guiding surface 22a, and gear tongue body rear forms shell portion; Described compensation gear tongue seat 23 is provided with respectively and keeps off the gear tongue main body of tongue 22 and two sections of mating holes that shell portion forms matched in clearance with compensation, and two sections of mating holes are communicated with, and in cylindrical section mating holes, by thread matching structure, are screwed with plug screw 28; Described Self-resetting spring 29 is connected between plug screw 28 and compensation gear tongue 22.On the inwall of 17 liang of headwalls of described pedestal in arbitrary support teeth plate group 3 the unidirectional teeth that support unidirectional tooth plates 24 are along tooth pitch direction successively equidistant dislocation, and the unidirectional tooth that supports unidirectional tooth plate 24 has identical tooth pitch with the unidirectional gullet plate 21 of described compensation, described whetstone holder 16 is provided with four support block tongue groups, four support block tongue groups are corresponding with four positions of supporting tooth plate group respectively, arbitrary support tooth plate group comprises 3 Self-resetting support block tongues 25, 3 support block tongues 25 are located on same support block tongue seat 27, and 3 Self-resetting support block tongues 25 are corresponding one by one with 3 support unidirectional tooth plate 24 positions in corresponding support tooth plate group, this support block tongue seat 27 is removable to be fixedly connected on whetstone holder 16, this support block tongue 25 auto-extending under Self-resetting spring action, its front end contacts with the corresponding pitch face that supports unidirectional tooth plate 24, and on the support level that the bottom supporting of whetstone holder 16 by support block tongue 25 provides at the unidirectional tooth of the unidirectional tooth plate 24 of described support of correspondence, wherein, support block tongue 25 comprises right angle quadrilateral prism shape gear tongue main body, and gear tongue body front end has guiding surface 25a, and gear tongue body rear forms shell portion, described support block tongue seat 17 is provided with respectively two sections of mating holes that gear tongue main body and shell portion with support block tongue 25 form matched in clearance, and two sections of mating holes are communicated with, and in cylindrical section mating holes, by thread matching structure, are screwed with obstruction, described Self-resetting spring is connected between plug screw and support block tongue 25.Support unidirectional tooth plate 24 identical with the structural correspondence of compensation gear tongue 22 with structure and the support block tongue 25 of compensation gear tongue seat 23 with structure, the support block tongue seat 27 of the unidirectional gullet plate 21 of compensation, but the width of support block tongue 25 is greater than compensation gear tongue 22 width.
The present invention, when making, should carry out the adjustment of the unidirectional gullet plate 21 of compensation and unidirectional tooth plate 24 correspondence positions of support, to guarantee that the variation of compensate for height and bearing height matches.
The unidirectional tooth plate 24 of support in support tooth plate group in the present embodiment and the unidirectional gullet plate 21 of compensation of whetstone holder 16 both sides also can only arrange 1 or 2, and concrete quantity is specifically determined according to its material property, processing conditions and the requirement of single offset etc.Certainly in the present embodiment, the support tooth plate group on pedestal 17 two ends inner walls also can only arrange 1, while arranging one, should consider the impact of the factors such as setting position on stability of strutting system.
Guide frame in the present embodiment comprises various linear pattern guideway structure of the prior art, as lead guide sleeve structure, and rectangle, triangle, dovetail slideway auxiliary structure etc.
Axial limit structure in the present embodiment also comprises by the 3rd member being fixed on compensation bar 19 and forming; Or at compensation bar 19, one section of gathering sill is set, crossbeam 18 arranges dog screw or the pin that front end stretches into gathering sill, by dog screw or pin and gathering sill afterbody cell wall, realize the frame modes such as compensation bar 19 raised position restrictions and realize.
In the present embodiment, worm couple drive mechanism also can adopt master gear auxiliary driving structure to substitute.
In the present embodiment, also can adopt drive motors 2 to be directly connected with the coaxial rotating speed that waits of the first screw rod 7, the other end of the first screw rod 7 is connected with described the second screw rod 10 by driving snake 14, thereby can cancel transmission case 13.Now, should the first screw rod 7 and the pitch of described the second screw rod 10 be set to suitable matching value, to guarantee after knife rest moves back and forth repeatedly, whetstone device come and go mobile once.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just can design according to the present invention make many modifications and variations without creative work.Therefore, all technical staff in the art, all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. an electric knife grinder, comprise frame (1) and the drive motors being connected with control system (2), frame (1) is provided with knife rest and whetstone device, whetstone device comprises for installing the bar shaped whetstone installing component of bar shaped whetstone (4), and length direction and frame (1) vertical consistency after bar shaped whetstone (4) installation; Knife rest comprises knife rest pedestal (5), cutter holding parts (6) and position rotaring motor, and this knife rest pedestal (5) is movably connected in described frame (1) above and can longitudinally moves back and forth along frame (1); It is characterized in that, in described frame (1), rotational support has and has reciprocal spiral fluted the first screw rod (7) and the second screw rod (10) respectively, on the first screw rod (7) and the second screw rod (10), be respectively installed with the first sliding sleeve (8) and the second sliding sleeve (11), on this first sliding sleeve (8), be fixedly connected with the first bearing pin (9) in the reciprocal helicla flute that is slidably fitted in the first screw rod (7), and this first sliding sleeve (8) is fixedly connected on described knife rest pedestal (5); On the second screw rod (10), be set with the second sliding sleeve (11), on this second sliding sleeve (11), be fixedly connected with the second bearing pin in the reciprocal helicla flute that is slidably fitted in the second screw rod (10), and this second sliding sleeve (11) is fixedly connected on described whetstone device; Described drive motors (2) is controlled by control system and is driven respectively the first screw rod (7) and the second screw rod (10) to rotate by direction initialization by having the transmission case (13) of rotary power output.
2. electric knife grinder according to claim 1, it is characterized in that: the input of described transmission case (13) is connected with the output shaft of described drive motors (2), transmission case (13) is provided with two rotation outputs, one of them output is connected with the first screw rod (7), and another output is connected with described the second screw rod (10) by driving snake (14).
3. electric knife grinder according to claim 2, is characterized in that: two output axis of described transmission case (13) are vertical.
4. according to the electric knife grinder described in any one claim in claim 1～3, it is characterized in that: described bar shaped whetstone installing component comprises two U-shaped cutter guided plates (15), whetstone holder (16), and the support component mainly being formed by pedestal (17), this support component is fixedly connected with respectively described two U-shaped cutter guided plates (15) by pedestal (17) two headwall end faces, the U-shaped opening of U-shaped cutter guided plate (15) arranges in opposite directions, and it is outside that U-shaped is partly used for being enclosed in bar shaped whetstone, this support component is respectively equipped with by the two ends inner wall of pedestal (17) multistage support level whetstone holder (16) being provided support for when whetstone holder (16) is elevated to respective heights, between two headwalls, be fixedly connected with two crossbeams (18) that are distributed in whetstone holder (16) both sides, between pedestal (17) and whetstone holder (16), be provided with the mobile guide frame of whetstone holder (16) and height compensation device for whetstone holder (16), this height compensation device comprises compensation bar (19) and counterbalance spring (26), compensation bar (19) is slidably fitted in the mating holes of crossbeam (18) by its bar portion section, compensation bar (19) upper end is hinged with lead arm (20), described counterbalance spring (26) be sleeved on the bar portion periphery of compensation bar (19) and be connected to described crossbeam (18) and lead arm (20) between, between compensation bar (19) and crossbeam (18), be provided with and make lead arm (20) end face by counterbalance spring (26), keep the axial limit structure of setting height, described compensation bar (19) lower end is fixedly connected with 2～3 unidirectional gullet plates of the compensation being set up in parallel (21) and forms compensation tooth plate group, this compensates unidirectional gullet plate (21) and is provided with along short transverse and distributes and have a plurality of unidirectional sawtooth of the leveling saw flank of tooth, and 2～3 unidirectional gullet plates of compensation (21) misplace successively along tooth pitch direction, described whetstone holder (16) is provided with the Self-resetting compensation gear tongue (22) that quantity equates with the unidirectional gullet plate of compensation (21) quantity compensating in tooth plate group, with in compensation tooth plate group, compensate unidirectional gullet plate (21) one to one 2～3 compensation gear tongues (22) form a compensation gear tongue group, 2～3 compensation gear tongues (22) in same compensation gear tongue group are along the tooth pitch direction dislocation of the unidirectional gullet plate of compensation (21), and its dislocation direction is identical with the corresponding unidirectional gullet plate of compensation (8) with distance, it is upper that 2～3 compensation gear tongues (22) in same compensation gear tongue group are located at same compensation gear tongue seat (23), removable being fixedly connected on whetstone holder (16) of this compensation gear tongue seat (23), compensation gear tongue (22) is auto-extending under Self-resetting spring (29) effect, and its front end contacts with the corresponding pitch face of the unidirectional gullet plate of compensation (21).
5. electric knife grinder according to claim 4, is characterized in that: described compensation gear tongue (22) comprises right angle quadrilateral prism shape gear tongue main body, and gear tongue body front end has guiding surface (22a), and gear tongue body rear forms shell portion; Described compensation gear tongue seat (23) is provided with respectively and keeps off the gear tongue main body of tongue (22) and two sections of mating holes that shell portion forms matched in clearance with compensation, two sections of mating holes are communicated with, and in cylindrical section mating holes, by thread matching structure, are screwed with plug screw (28); Described Self-resetting spring (29) is connected between plug screw (28) and compensation gear tongue (22).
6. electric knife grinder according to claim 4, it is characterized in that: on the inwall of described pedestal (17) two headwalls, be fixedly connected with respectively at least one group by the support tooth plate group that supports unidirectional tooth plate (24) formation, the unidirectional tooth plate of support (24) quantity in this support tooth plate group and the unidirectional gullet plate of compensation (21) the quantity correspondent equal in described arbitrary compensation tooth plate group, this supports the support level that on a plurality of unidirectional tooth of unidirectional tooth plate (24), the paired whetstone holder of planar shaped (16) provides support, this unidirectional tooth that supports unidirectional tooth plate (24) has identical tooth pitch with the unidirectional gullet plate of described compensation (21), described whetstone holder (16) be provided with described support tooth plate group in the unidirectional tooth plate of support (24) Self-resetting support block tongue (25) one to one, this support block tongue (25) auto-extending under Self-resetting spring action, its front end contacts with the corresponding pitch face that supports unidirectional tooth plate (24), and the bottom supporting that whetstone holder (16) passes through support block tongue (25) is on the described support level of correspondence.
7. electric knife grinder according to claim 6, it is characterized in that: it is upper that described 2～3 support block tongues (25) are located at same support block tongue seat (27), and this support block tongue seat (27) is removable to be fixedly connected on whetstone holder (16).
8. electric knife grinder according to claim 4, is characterized in that: described compensation bar (19) is provided with gathering sill (19a); Described crossbeam (18) is provided with front end and is slidably fitted in the anti-turn screw (30) in gathering sill (19a).
9. electric knife grinder according to claim 4, is characterized in that: described guide frame comprises the two circular leads (31) that are fixedly connected on pedestal (17) base plate; Described whetstone holder (16) is slidably matched by guiding circular hole and described lead (31) formation which is provided with.
10. electric knife grinder according to claim 9, it is characterized in that: on described whetstone holder (16), be also embedded with fairlead (32), the guiding circular hole that this fairlead (32) endoporus formation whetstone holder (16) and described lead (31) are slidably matched.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410314860.2A CN104070424B (en) | 2014-07-03 | 2014-07-03 | A kind of electric knife grinder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410314860.2A CN104070424B (en) | 2014-07-03 | 2014-07-03 | A kind of electric knife grinder |
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| CN104070424A true CN104070424A (en) | 2014-10-01 |
| CN104070424B CN104070424B (en) | 2016-04-20 |
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| CN201410314860.2A Expired - Fee Related CN104070424B (en) | 2014-07-03 | 2014-07-03 | A kind of electric knife grinder |
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| CN104526475A (en) * | 2014-11-27 | 2015-04-22 | 谭臻憬 | Height automatic compensation knife stone device |
| CN107036670A (en) * | 2017-06-16 | 2017-08-11 | 成都市九运机电科技有限责任公司 | A kind of diaphragm gas meter, the method and mechanism of locking diaphragm gas meter motion |
| CN109230223A (en) * | 2018-08-03 | 2019-01-18 | 山西东昌实业有限公司 | A kind of dual input shaft bidirectional deviation correction push rod |
| CN109262380A (en) * | 2018-10-11 | 2019-01-25 | 四川工程职业技术学院 | A kind of auxiliary machining device of scrap hard alloy blade reconditioning |
| CN111037446A (en) * | 2020-01-13 | 2020-04-21 | 邯郸学院 | Artificial intelligence computer mainframe grinding device |
| CN112223564A (en) * | 2020-10-15 | 2021-01-15 | 湖州隆磊石材有限公司 | Quick slitting device of stone material board |
| CN112917401A (en) * | 2021-03-24 | 2021-06-08 | 李甜子 | Intelligent automatic knife sharpening device |
| CN113478304A (en) * | 2020-06-17 | 2021-10-08 | 陈玉杰 | Knife sharpener |
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| CN111037446B (en) * | 2020-01-13 | 2021-04-13 | 邯郸学院 | Artificial intelligence computer mainframe grinding device |
| CN113478304A (en) * | 2020-06-17 | 2021-10-08 | 陈玉杰 | Knife sharpener |
| CN112223564A (en) * | 2020-10-15 | 2021-01-15 | 湖州隆磊石材有限公司 | Quick slitting device of stone material board |
| CN112917401A (en) * | 2021-03-24 | 2021-06-08 | 李甜子 | Intelligent automatic knife sharpening device |
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| CN104070424B (en) | 2016-04-20 |
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