CN208163255U - knife sharpener - Google Patents

Abstract

The utility model is suitable for cutter art field, provide a kind of knife sharpener, the knife sharpener includes axially position seat and circumferentially positioned seat, in milling cutter, by cutter and the Relatively orientation of mounting base in the axial direction it is good after, clamp assemblies and circumferentially positioned seat are cooperated again, the relative position of circumferential direction by circumferentially positioned seat aligned cutting tool and mounting base in cutter, namely the second position, after the second position and first position are had good positioning, it can realize after by mounting base and processing stations cooperation, it is close to the outer surface of grinding wheel component in the face to be ground of cutter, at this time, the face to be ground of cutter can be ground.Knife sharpener provided by the utility model is replaced by hand using mechanical, reduce production cost, and the relative position of cutter and mounting base is carried out by precise positioning by axially position seat and circumferentially positioned seat, the face to be ground of cutter can be accurately close to grinding wheel component, ensure that the machining accuracy of cutter in this way.

Description

Knife sharpener

Technical field

The utility model belongs to cutting-tool engineering field more particularly to a kind of knife sharpener.

Background technique

In existing, after a longer time of use, the cutting edge of cutter can be worn milling cutter, and the tool sharpening after abrasion goes out The precision of the part come can decline to a great extent, and usually directly lose cutter, renew knife processing, and this way causes cutter Waste, improves production cost, and another way is whetted a knife using artificial, and during whetting a knife, it is ensured that the preceding knife of cutter The precision in face, major first flank and the second flank, very harsh to the sharpening skill requirement of worker, this has resulted in manpower The increase of cost.

Utility model content

The purpose of this utility model is to provide a kind of knife sharpeners, it is intended to reduce production cost, improve sharpening precision.

The utility model is realized in this way a kind of knife sharpener, clamp assemblies, peace including rack, for clamping cutter Loaded on the grinding assembly in the rack and for grinding the cutter, the rack includes frame main body, is fixedly installed in In the frame main body and the axially position seat that can detachably cooperate with the clamp assemblies and it is fixedly installed in the machine On frame body and the circumferentially positioned seat that can detachably cooperate with the clamp assemblies, the grinding assembly include being fixedly installed in The motor of the frame main body, grinding wheel component and the fixed installation for being rotated by the motor driven and being used to grind the cutter In the frame main body and at least one processing stations that can detachably cooperate with the clamp assemblies, the clamp assemblies packet It includes the mounting base for detachably installing with the circumferentially positioned seat and the processing stations and is connect with the mounting base And the adjustment component for being used to clamp the cutter and adjust the cutter with the relative position of the mounting base, the axially position For positioning the cutter and the mounting base in the relative position of the cutter axial direction, the circumferentially positioned seat is used for seat The cutter and the mounting base are positioned in the relative position of the cutter circumferential direction；Definition, is determined by the axially position seat Position the cutter and the mounting base in the relative position of the cutter axial direction be first position, by described circumferentially positioned Seat positioning the cutter and the mounting base in the relative position of the cutter circumferential direction be the second position, described first It sets the face to be ground after enabling the mounting base to be installed on the processing stations on the cutter and arrives at institute in axial direction State grinding wheel component, to be ground face of the second position after making the mounting base be installed on the processing stations on the cutter It is close in circumferential direction with the outer surface of the grinding wheel component.

Further, the clamping through-hole being slidably inserted into for the cutter, the axially position are equipped in the clamp assemblies Seat include be fixedly connected with the frame body and the support frame for detachably cooperating with the clamp assemblies and with it is described Support frame is fixedly connected and keeps out the cutter when the relatively described mounting base of the cutter slides into the first position Axial abutment, the relative position for defining support frame as described above and the axial abutment is the third place, the processing stations with The relative position of the grinding wheel component is the 4th position, and the third place is corresponding with the 4th position so that by the axis After the first position positioned to positioning seat enables to the mounting base to be installed on the processing stations on the cutter Face to be ground can arrive at the grinding wheel component in axial direction.

Further, support frame as described above include the support frame ontology being fixedly connected with the frame main body, one end with it is described Support frame ontology is fixedly connected and first support column and one end of the other end to the direction extension far from support frame as described above ontology It is fixedly connected with support frame as described above ontology and the second support column with the spaced and parallel setting of the first support column, the clamping group Part sets in position opposite on its lateral wall and is respectively equipped with the first slot and the second slot, the clamp assemblies and support frame as described above When detachable cooperation, support frame as described above is between first support column and second support column, also, described first Dagger is connected in first slot, and second support column is connected in second slot.

Further, the adjustment component includes connecting with the mounting base and for being detachably connected with support frame as described above Undertaking pipe fitting, be located in the undertaking pipe fitting and when the relatively described mounting base of the cutter slides into the first position It clamps the elastic collet of the cutter and is slid into the undertaking pipe fitting sleeving and in the opposite mounting base of the cutter The elastic collet clamping cutter is controlled when the first position does axial direction to limit the relatively described mounting base of the cutter The extruding pipe fitting of movement.

Further, bellmouth is equipped in the undertaking pipe fitting, the elastic collet is placed in the bellmouth, the bullet Property collet inside be equipped with the axial direction folder knife through-hole that extends and the cutter is supplied to pass through along the bellmouth, the elasticity Collet has elasticity in its radial direction, is additionally provided with the screw thread that axis is overlapped with the axis of the bellmouth in the undertaking pipe fitting Hole, the lateral wall for squeezing pipe fitting are equipped with the external screw thread cooperated with the threaded hole, and the extruding pipe fitting is threadedly connected to institute State threaded hole and in the cutter arrive at the first position when pushing tow described in elastic collet so that the elastic collet clamp institute State cutter.

Further, the lateral wall of the elastic collet is equipped with the first annular of the axis setting around the elastic collet Groove, the pipe fitting that squeezes are equipped with the protrusive board for being inserted into the first annular groove and being used to drive the elastic collet mobile.

Further, the mounting base is sheathed on outside the adjustment component, and the adjustment component and the mounting base rotate To drive the cutter to rotate relative to the mounting base to the second position, the mounting base will in the elastic collet for connection The tool-holder is next to be cooperated with the circumferentially positioned seat, and the circumferentially positioned seat includes for detachably matching with the mounting base The circumferential erecting bed of conjunction and the cutter is kept out when the cutter is rotated relative to the mounting base to the second position Circumferential abutment, the clamp assemblies further include limiting the adjustment component phase after the circumferential abutment keeps out the cutter Relative position to the circumferential limit assembly of mounting base rotation, definition, the erecting bed and the circumferential limit assembly is 5th position, the 5th position are corresponding with the 4th position so that the second positioned by the circumferentially positioned seat Setting face to be ground after enabling to the mounting base to be installed on the processing stations on the cutter can be in circumferential direction It is close to the outer surface of the grinding wheel component.

Further, the cutter includes cutter body and connect with the cutter body and around the cutter body Axial direction extends spirally the cutting edge band to be formed and for cutting product, and the circumferential direction abutment is kept out in the cutting edge Band.

Further, define, it is described circumferential direction abutment keep out when on the cutting edge band, on the cutting edge band with institute The point for stating the contact of circumferential abutment is to keep out a little, it is described keep out a little the lower extreme point with the cutting edge band in the axial direction of the cutter The distance in direction is greater than 1mm.

Further, the clamp assemblies further include that one end is connected to the mounting base and the other end is connected to the adjustment Component simultaneously drives the adjustment component to rotate relative to the mounting base the cutting edge band is pressed in the circumferential abutment Elastic parts.

Further, the end face of the pipe fitting towards the mounting base of accepting is equipped with accommodation groove, the elastic parts packet The first stay column for being located in the accommodation groove and being fixedly connected with the undertaking pipe fitting, one end is included to be fixedly connected with the mounting base And the second stay column and one end that the other end extends to the accommodation groove are connect with first stay column and the other end and described the Tension spring of the two stay columns connection to drive the adjustment component to rotate relative to the mounting base.

Further, the mounting base is sheathed on outside the undertaking pipe fitting and is rotatablely connected with the undertaking pipe fitting, described The lateral wall for accepting pipe fitting is equipped with the second annular groove around the axis setting for accepting pipe fitting, the side wall of the mounting base Equipped with pin hole, the clamp assemblies further include that one end is fixedly connected in the pin hole and other end insertion second annular is recessed Slot and in the second annular groove around the pin that moves in a circle of axis for accepting pipe fitting.

Further, the side wall of the mounting base is additionally provided with the tapped through hole that radially direction extends, the circumferential limit Hyte part includes that one end is fixedly connected on the mounting base and the other end extends around the axis of the mounting base and is located at described It arc spring lamination between tapped through hole and the adjustment component and is combined in the tapped through hole and for arc described in pushing tow Shape elastic slice is to be pressed in the pushing tow screw for adjusting component lateral wall for the arc spring lamination.

The utility model having the technical effect that compared with the existing technology：Knife sharpener provided by the utility model includes axial fixed Position seat and circumferentially positioned seat first cooperates clamp assemblies and axially position seat in milling cutter, by axially position seat, The Relatively orientation of cutter and the axial direction in cutter of mounting base is good, which is first position, and is somebody's turn to do First position makes when mounting base and processing stations cooperate, and the face to be ground of cutter just can on the axial direction of cutter Arrive at grinding wheel component；By cutter and the Relatively orientation of mounting base in the axial direction it is good and then by clamp assemblies and Circumferentially positioned seat cooperation, the relative position of the circumferential direction by circumferentially positioned seat aligned cutting tool and mounting base in cutter, namely After the second position, the second position and first position are had good positioning, it can realize and mounting base and processing stations are being cooperated it Afterwards, the face to be ground of cutter is close to the outer surface of grinding wheel component, at this point, can grind to the face to be ground of cutter. Knife sharpener provided by the utility model replaces by hand, reducing production cost, and pass through axially position seat and week using mechanical The relative position of cutter and mounting base precise positioning is subjected to positioning seat, so that being mounted on processing stations by mounting base Afterwards, the face to be ground of cutter can be accurately close to grinding wheel component, ensure that the machining accuracy of cutter in this way.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, below will to the utility model embodiment or Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings described below is only Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts, It is also possible to obtain other drawings based on these drawings.

Fig. 1 is the schematic diagram that knife sharpener provided by the embodiment of the utility model does axially position；

Fig. 2 is grinding assembly provided by the embodiment of the utility model；

Fig. 3 is that knife sharpener provided by the embodiment of the utility model makees circumferentially positioned schematic diagram；

Fig. 4 is that knife sharpener provided by the embodiment of the utility model makees the schematic diagram roughly ground to cutter；

Fig. 5 is that knife sharpener provided by the embodiment of the utility model makees the schematic diagram refined to cutter；

Fig. 6 is the schematic diagram that axially position seat provided by the embodiment of the utility model does axially position to cutter；

Fig. 7 is the perspective view of cutter provided by the embodiment of the utility model；

Fig. 8 is that circumferentially positioned seat provided by the embodiment of the utility model makees circumferentially positioned schematic diagram to cutter；

Fig. 9 is the partial enlarged view of Fig. 8；

Figure 10 is the perspective view of clamp assemblies provided by the embodiment of the utility model；

Figure 11 is the cross-sectional view of clamp assemblies provided by the embodiment of the utility model；

Figure 12 is the perspective view of clamp assemblies provided by the embodiment of the utility model；

Figure 13 is the exploded view of clamp assemblies provided by the embodiment of the utility model；

Figure 14 is the exploded view of clamp assemblies provided by the embodiment of the utility model；

Figure 15 is the perspective view of mounting base provided by the embodiment of the utility model；

Figure 16 is the perspective view of cutter provided by the embodiment of the utility model；

Figure 17 is the main view of cutter provided by the embodiment of the utility model.

Description of symbols：

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be noted that when to be referred to as " being fixed on " or " being set to " another for element A element, it can be directly on the other element or indirectly on another element.When an element is known as " even It is connected to " another element, it can be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

Finally, " axial direction of cutter " is the direction y in Fig. 7 in full text, " circumferential direction of cutter " is x in Fig. 7 Direction.

For the ordinary skill in the art, above-mentioned term can be understood in the utility model as the case may be In concrete meaning.

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.

Referring to Figure 1 to Figure 17, the utility model provides a kind of knife sharpener, which includes rack 10, for pressing from both sides The grinding assembly 20 for holding the clamp assemblies 30 of cutter 40, being installed in the rack 10 and being used to grind the cutter 40, institute Rack 10 is stated to include frame main body 11, be fixedly installed in the frame main body 11 and can be detachable with the clamp assemblies 30 It the axially position seat 12 of cooperation and is fixedly installed in the frame main body 11 and can be detachable with the clamp assemblies 30 The circumferentially positioned seat 13 of cooperation, the grinding assembly 20 (are not schemed including being fixedly installed in the motor 23 of the frame main body 11 Show), by the motor 23 drive rotation and for grind the cutter 40 grinding wheel component 21 and be fixedly installed in the machine Frame body 11 and at least one processing stations 22 that can detachably cooperate with the clamp assemblies 30, the clamp assemblies 30 wrap Include mounting base 31 for detachably being installed with the circumferentially positioned seat 13 and the processing stations 22 and with the installation Seat 31 connects and is used to clamp the cutter 40 and adjusts the adjustment group of the cutter 40 and the relative position of the mounting base 31 Part 32, the axially position seat 12 is for positioning the cutter 40 with the mounting base 31 in the phase of 40 axial direction of cutter To position, the circumferentially positioned seat 13 is for positioning the cutter 40 with the mounting base 31 in 40 circumferential direction of cutter Relative position；Definition, the cutter 40 positioned by the axially position seat 12 and the mounting base 31 are in 40 axis of cutter To the relative position in direction be first position, the cutter 40 positioned by the circumferentially positioned seat 13 and the mounting base 31 in The relative position of 40 circumferential direction of cutter is the second position, and it is described that the first position is installed on the mounting base 31 Face to be ground after processing stations 22 on the cutter 40 can arrive at the grinding wheel component 21, the second in axial direction It sets so that the mounting base 31 is installed on face to be ground after the processing stations 22 on the cutter 40 in circumferential direction and institute It is close to the outer surface for stating grinding wheel component 21.

Referring to Figure 1 to Figure 17, specifically, in milling cutter 40, first by clamp assemblies 30 and axially position seat 12 Cooperation, it is by axially position seat 12, cutter 40 and the Relatively orientation of the axial direction in cutter 40 of mounting base 31 is good, The relative position is first position, and the first position makes when mounting base 31 and processing stations 22 cooperate, cutter 40 Face to be ground can arrive at grinding wheel component 21 just on the axial direction of cutter 40；By cutter 40 and mounting base 31 in axial direction Relatively orientation on direction is good and then cooperates clamp assemblies 30 and circumferentially positioned seat 13, passes through circumferentially positioned seat 13 Aligned cutting tool 40 and mounting base 31 are in the relative position namely the second position of the circumferential direction of cutter 40, the second position and first After position is had good positioning, it can realize after cooperating mounting base 31 and processing stations 22, the face to be ground of cutter 40 It is close to the outer surface of grinding wheel component 21, at this point, can be ground to the face to be ground of cutter 40.The utility model is implemented The knife sharpener that example provides replaces by hand, reducing production cost using mechanical, and passes through axially position seat 12 and circumferentially positioned The relative position of cutter 40 and mounting base 31 has been carried out precise positioning by seat 13, so that mounting base 31 is mounted on processing stations After on 22, the face to be ground of cutter 40 can be accurately close to grinding wheel component 21, ensure that the processing essence of cutter 40 in this way Degree.

Referring to Figure 1 to Figure 17, it should be noted that：" it is described that the first position is installed on the mounting base 31 Face to be ground after processing stations 22 on the cutter 40 can arrive at the grinding wheel component 21, the second in axial direction It sets so that the mounting base 31 is installed on face to be ground after the processing stations 22 on the cutter 40 in circumferential direction and institute It is close to the outer surface for stating grinding wheel component 21.", can be calculated by simple geometry so that first position, the second position and Between processing stations 22 and the relative position three of grinding wheel component 21 there is determining corresponding relationship can be realized.In addition knife sharpener It may include multiple processing stations 22, each processing stations 22 are respectively used to the Different Plane of 40 cutting edge of milling cutter, i.e., preceding knife Face 41, major first flank 42 and the second flank 43.Further, grinding wheel component 21 includes driving the thick of rotation by motor 23 Grinding abrasive disk 211 and finishing wheel 212 have the corase grinding processing stations group close to the rough grinding wheel 211 in multiple processing stations 22 221 and close to finishing wheel 212 fine grinding station group 222, when milling cutter 40, cutter 40 can be mounted on first It roughly grinds in processing stations group 221, first the face to be ground of cutter 40 is roughly ground, cutter 40 is then mounted on fine grinding again Cutter 40 is refined in station group 222, wherein rough grinding wheel 211 is cheap and sand grains of surface is larger, and is ground speed Degree is very fast, and 212 price of finishing wheel is more expensive, but the sand grains on its surface is smaller, and grinding precision is higher, using essence after first roughly grinding The mode of mill can not only accelerate 40 grinding rate of cutter, and can reduce and be processed under the premise of guaranteeing machining accuracy This.Referring to Figure 1 to Fig. 4 and Figure 16, further, knife after the rake face 41 and second of 211 grinding knife tool 40 of rough grinding wheel Face 43 is not contacted since the second flank 43 is in 40 converted products of cutter with product, and therefore, the present embodiment can not be right The fine grinding of second flank 43.Since major first flank 42 is to grind away a small amount of clout on the basis of the second flank 43 to be formed , and major first flank 42 is directly contacted with product, will have a direct impact on machining accuracy when 40 converted products of cutter, because This, it is higher to the requirement on machining accuracy of major first flank 42, by upper, it is contemplated that amount of grinding is less, and machining accuracy is higher, this The major first flank 42 of embodiment is formed in fine grinding, in this manner it is possible to remove the processing work to corase grinding major first flank 42 from The setting of position 22, reduces the production cost of knife sharpener, similarly, rake face 41 can also be contacted with product, therefore, to rake face 41 requirement on machining accuracy is also higher, in fine grinding, also to refine to rake face 41.

Fig. 6 to Figure 14 is referred to, further, is equipped with the folder being slidably inserted into for the cutter 40 in the clamp assemblies 30 Through-hole 334 is held, the axially position seat 12 includes being fixedly connected and being used for and the clamp assemblies 30 with 10 ontology of rack It the support frame 121 that detachably cooperates and is fixedly connected with support frame as described above 121 and in the relatively described installation of the cutter 40 Seat 31 keeps out the axial abutment 125 of the cutter 40 when sliding into the first position, define support frame as described above 121 with it is described The relative position of axial abutment 125 is the third place, and the relative position of the processing stations 22 and the grinding wheel component 21 is 4th position, the third place are corresponding with the 4th position so that described first positioned by the axially position seat 12 To be ground face of the position after enabling to the mounting base 31 to be installed on the processing stations 22 on the cutter 40 is in axial side To the grinding wheel component 21 can be arrived at.Specifically, in the opposite position with axially position seat 12 fixed mounted seat 31 and cutter 40 When setting, cutter 40 is slidably inserted into clamping through-hole 334 first, then clamp assemblies 30 are mounted on support frame 121, at this point, Push cutter 40 to slide in clamping through-hole 334, until cutter 40 supports in axial abutment 125, and at this point, cutter 40 with The relative position of mounting base 31 is first position.Axially position seat 12 provided by the embodiment of the utility model is in positioning first When setting, clamp assemblies 30 need to be only mounted on support frame 121, then push 40 movement of cutter that can find first position, grasped Make that very convenient, operation difficulty is extremely low, while improving processing efficiency, ensure that machining accuracy.

It should be noted that " the third place is corresponding with the 4th position so that by the axis in the present embodiment The knife after the first position positioned to positioning seat 12 enables to the mounting base 31 to be installed on the processing stations 22 Face to be ground on tool 40 can arrive at the grinding wheel component 21 " in axial direction, and above-mentioned corresponding relationship passes through simple geometry You can get it for calculating, so that having determining corresponding relationship between first position, the third place and the 4th position three It realizes.

Fig. 6 is referred to, further, support frame as described above 121 includes the support frame being fixedly connected with the frame main body 11 Ontology 122, one end be fixedly connected with support frame as described above ontology 122 and the other end to far from support frame as described above ontology 122 direction The first support column 123 and one end extended is fixedly connected and between first support column 123 with support frame as described above ontology 122 Every the second support column 124 disposed in parallel, the clamp assemblies 30 are set in position opposite on its lateral wall is respectively equipped with first Slot 322 and the second slot 323, when the clamp assemblies 30 detachably cooperate with support frame as described above 121, support frame as described above 121 Between first support column 123 and second support column 124, also, first support column 123 be connected in it is described In first slot 322, second support column 124 is connected in second slot 323.Specifically, by clamp assemblies 30 When cooperating with support frame 121, clamp assemblies 30 can be held between the second support column 124 and the second support column 124, and make It obtains the first support column 123 and the second support column 124 is respectively engaged in the first slot 322 and the second slot 323, so that mounting base 31 remain unchanged with axial abutment 125 in the relative position of the axial direction of cutter 40, then cutter 40 are pushed to move down, until Cutter 40 supports in axial abutment 125, at this point, cutter 40 is first position relative to the position of mounting base 31.It is based on Above structure, the utility model embodiment, only need to be by the first supports when mounting and dismounting clamp assemblies 30 and support frame 121 Column 123 and the second support column 124 slide through the first slot 322 and the second slot 323, easy to operate, quick.

Referring to Figure 10 to Figure 14, further, the adjustment component 32 includes connecting and being used for the mounting base 31 The undertaking pipe fitting 321 that is detachably connected with support frame as described above 121 is located in the undertaking pipe fitting 321 and in the cutter 40 The relatively described mounting base 31 clamped when sliding into the first position cutter 40 elastic collet 328 and with the undertaking Pipe fitting 321 is socketed and controls the elastic collet when the relatively described mounting base 31 of the cutter 40 slides into the first position 328 clamp the cutter 40 to limit the extruding pipe fitting 331 that the relatively described mounting base 31 of the cutter 40 axially moves.Specifically Ground, when the relative position of cutter 40 and mounting base 31 is adjusted to first position by axially position seat 12, at this point it is possible to operate crowded Pressure pipe part 331 controls elastic collet 328 and clamps cutter 40, after elastic collet 328 clamps cutter 40, cutter 40 and installation Seat 31 just remains at first position in the relative position of the axial direction of cutter 40, it should be noted that at this point, cutter 40 Circumferential direction relative to mounting base 31 in cutter 40 still can move, that is, cutter 40 can relative to mounting base 31 at this time With rotation, the relative position of the circumferential direction for subsequent circumferentially positioned 13 aligned cutting tool 40 of seat and mounting base 31 in cutter 40.

Referring to Figure 10 to Figure 14, further, bellmouth 324, the elastic collet are equipped in the undertaking pipe fitting 321 328 are placed in the bellmouth 324, and the inside of the elastic collet 328 is equipped with the axial direction extension along the bellmouth 324 And for the folder knife through-hole 329 that the cutter 40 passes through, the elastic collet 328 has elasticity, the undertaking in its radial direction The threaded hole 325 that axis is overlapped with the axis of the bellmouth 324, the outside for squeezing pipe fitting 331 are additionally provided in pipe fitting 321 Wall is equipped with the external screw thread 332 cooperated with the threaded hole 325, and the extruding pipe fitting 331 is threadedly connected to the threaded hole 325 simultaneously The elastic collet 328 described in pushing tow when the cutter 40 arrives at the first position so that the elastic collet 328 clamp it is described Cutter 40.Specifically, in axially position seat 12 by the Relatively orientation of cutter 40 and mounting base 31 to first position when, this When, rotary squeezing pipe fitting 331 pushes elastic collet 328 to move in bellmouth 324 so that squeezing pipe fitting 331, and moving direction is It is mobile towards the lesser side of 324 diameter of bellmouth, at this point, bellmouth 324 will squeeze elastic collet 328, due to elastic clip First 328 have elasticity in radial direction, therefore elastic collet 328 will clamp cutter 40, so that cutter 40 can not be opposite again It is subjected to displacement in the axial direction in mounting base 31.Based on this structure, in axially position seat 12 by the phase of cutter 40 and mounting base 31 When navigating to first position to position, need to only screw extruding pipe fitting 331 can protect cutter 40 in the relative position of mounting base 31 It holds in first position.

Referring to Figure 10 to Figure 14, further, the lateral wall of the elastic collet 328 is equipped with around the elastic collet The first annular groove 330 of 328 axis setting, the extruding pipe fitting 331, which is equipped with, is inserted into the first annular groove 330 simultaneously Protrusive board 333 for driving the elastic collet 328 mobile.After cutter 40 is ground, need cutter 40 from clamping Component 30 disassembles, and is based on this structure, when needing to dismantle cutter 40, can reversely rotate and squeeze pipe fitting 331, at this point, protrusive board 333, which will drive the direction that elastic collet 328 is relatively large in diameter to bellmouth 324, pulls, during pulling, elastic collet 328 It can gradually flick outward, and no longer clamp-on tool 40, at this point, under can easily dismantling cutter 40 from clamp assemblies 30 Come.

Referring to Figure 10 to Figure 14, further, the mounting base 31 is sheathed on outside the adjustment component 32, the adjustment Component 32 and the mounting base 31 are rotatablely connected to drive the cutter 40 relative to the mounting base 31 rotation to the second It sets, the mounting base 31 cooperates after the elastic collet 328 clamps the cutter 40 with the circumferentially positioned seat 13, described Circumferentially positioned seat 13 includes circumferential erecting bed 131 for detachably cooperating with the mounting base 31 and in 40 phase of cutter The circumferential abutment 132 of the cutter 40, the clamp assemblies are kept out when to the mounting base 31 rotation to the second position 30 further include limiting the relatively described mounting base 31 of the adjustment component 32 after the circumferential abutment 132 keeps out the cutter 40 The relative position of the circumferential limit assembly 34 of rotation, definition, the erecting bed and the circumferential limit assembly 34 is the 5th position, 5th position is corresponding with the 4th position so that can by the second position that the circumferentially positioned seat 13 positions Face to be ground after enabling the mounting base 31 to be installed on the processing stations 22 on the cutter 40 in circumferential direction with It is close to the outer surface of the grinding wheel component 21.

Specifically, mounting base 31 is set in outside adjustment component 32, and can be rotated relative to adjustment component 32, so that in axis After first position is had good positioning and locked to positioning seat 12, adjustment component 32 still can be with cutter 40 with respect to mounting base 31 rotations are positioned cutter 40 and mounting base 31 to the second position in the circumferential direction of cutter 40 with realizing.Concrete operations are as follows, Mounting base 31 is mounted on circumferential erecting bed 131, then rotation adjustment component 32, adjustment component 32 are rotated with cutter 40, Until cutter 40 is kept out in circumferential abutment 132, at this point, cutter 40 is relative to mounting base 31 in 40 circumferential direction of cutter Relative position is the second position, then operates circumferential limit assembly 34 and locks adjustment component 32 with mounting base 31, such knife Tool 40 and the relative position of mounting base 31 will remain at the second position.The utility model embodiment by cutter 40 and peace Dress seat 31 need to only rotate adjustment component 32 and make during the relative position of 40 circumferential direction of cutter is adjusted to the second position Cutter 40 is kept out in circumferential abutment 132, easy to operate, and operation difficulty is extremely low, while guaranteeing machining accuracy, Also improve processing efficiency.

Likewise, in the present embodiment, " relative position of the erecting bed and the circumferential limit assembly 34 is the 5th It sets, the 5th position is corresponding with the 4th position so that the second position energy positioned by the circumferentially positioned seat 13 Face to be ground after enough the mounting base 31 being enabled to be installed on the processing stations 22 on the cutter 40 is in circumferential direction It is close to the outer surface of the grinding wheel component 21 ", you can get it by the calculating of simple geometry for above-mentioned corresponding relationship, so that second Between position, the 4th position and the 5th position three there is determining corresponding relationship can be realized.

Refer to Fig. 9, further, the cutter 40 include cutter body 44 and connect with the cutter body 44 and The cutting edge band 45 to be formed and for cutting product is extended spirally around the axial direction of the cutter body 44, the circumferential direction is kept out Part 132 is kept out in the cutting edge band 45.

Fig. 9 and Figure 17 are referred to, further, definition, the circumferential direction abutment 132 is kept out on the cutting edge band 45 When, to keep out a little 46, described keep out a little 46 is cut with described for the point that contact on the cutting edge band 45 with the circumferential abutment 132 The lower extreme point 47 for cutting land 45 is greater than 1mm in the distance h of the axial direction of the cutter 40, it is preferable that h is in view of 1- for the distance Between 3mm.It should be understood that cutter 40 is during converted products, abrasion be cutting edge band 45 lower extreme point 47 position It sets, and every 47 abrasion condition of lower extreme point 40 upper cutting edge band 45 of cutter is difference, if circumferentially positioned seat 13 passes through cutter 40 lower extreme point 47 is positioned, and the relative position of cutter 40 to be ground and mounting base 31 can not all be adjusted just by every To the second position, the precision of the grinding of cutter 40 can be thus seriously affected.The utility model embodiment does not use cutting edge band The position of 45 lower extreme point 47 is positioned as datum mark, but is used the point being greater than at 1mm apart from lower extreme point to be used as and kept out Point 46 is positioned, it is possible to understand that and ground, keeping out a little 46 during 40 use of cutter herein can't be destroyed, because This, it is every that the formal parameter of cutter 40 herein is all the same, it can thus allow circumferentially positioned seat 13 uniformly by each knife Tool 40 and the relative position of mounting base 31 are adjusted to the second position.

Referring to Figure 10 to Figure 14, further, the clamp assemblies 30 further include that one end is connected to the mounting base 31 And the other end is connected to the adjustment component 32 and the adjustment component 32 is driven to rotate relative to the mounting base 31 with will be described Cutting edge band 45 is pressed in the elastic parts of the circumferential abutment 132.When cutter 40 keeps out in circumferential abutment 132 it Afterwards, in the presence of elastic parts, cutter 40 can be pressed on always in circumferential abutment 132, that is, by cutter 40 and mounting base 31 relative position remains at the second position, and limit assembly 34 circumferential in this way can be accurately by cutter 40 and mounting base 31 relative position is locked at the second position, eliminates the influence that cutter 40 is shaken when operating circumferential limit assembly 34.

Referring to Figure 10 to Figure 14, further, the undertaking pipe fitting 321 is equipped with towards the end face of the mounting base 31 Accommodation groove 326, the elastic parts include the be fixedly connected in the accommodation groove 326 and with the undertaking pipe fitting 321 One stay column 351, one end are fixedly connected with the mounting base 31 and the second stay column 352 that the other end extends to the accommodation groove 326 And one end is connect with first stay column 351 and the other end is connect with second stay column 352 to drive the adjustment component 32 tension springs 353 rotated relative to the mounting base 31.Further, the mounting base 31 is sheathed on outside the undertaking pipe fitting 321 And be rotatablely connected with the undertaking pipe fitting 321, the lateral wall for accepting pipe fitting 321 is equipped with around the undertaking pipe fitting 321 The side wall of the second annular groove 327 of axis setting, the mounting base 31 is equipped with pin hole 312, and the clamp assemblies 30 further include One end is fixedly connected in the pin hole 312 and the other end is inserted into the second annular groove 327 and recessed in second annular The pin 313 to move in a circle in slot 327 around the axis for accepting pipe fitting 321.Specifically, mounting base 31 is being mounted on week After on erecting bed 131, it is mobile that tension spring 353 will pull the first stay column 351, and then drives adjustment component 32 and 40 phase of cutter Mounting base 31 is rotated, until cutter 40 supports in circumferential abutment 132, tension spring 353 is still within tensional state at this time, makes It obtains cutter 40 and is pressed in circumferential abutment 132.Since tension spring 353 is during long-time service, in the feelings of same deformation quantity Under condition, the variation of pulling force is smaller, in this way, when different cutters 40 are pressed in circumferential abutment 132 by elastic parts, it is circumferential The deformation quantity that miniature deformation occurs for abutment 132 is all the same, thus can accurately and uniformly by each cutter 40 with The relative position of mounting base 31 is adjusted to the second position.It should be noted that adjustment component 32 was rotated relative to mounting base 31 In the process, pin 313 should move in a circle in the second annular groove around the axis for accepting pipe fitting 321, for the rotation for adjusting component 32 Turn to provide guiding role, moreover, adjustment component 32 and mounting base 31 are on the axial direction of cutter 40, Bu Huifa during this Raw relative movement.

Referring to Figure 15, further, it is logical that the side wall of the mounting base 31 is additionally provided with the screw thread that radially direction extends Hole 311, the circumferential direction limit assembly 34 include one end be fixedly connected on the mounting base 31 and the other end around the mounting base 31 Axis extend and be located at the tapped through hole 311 and it is described adjustment component 32 between arc spring lamination 341 and be combined on The arc spring lamination 341 is pressed in the adjustment group in the tapped through hole 311 and for arc spring lamination 341 described in pushing tow The pushing tow screw 342 of 32 lateral wall of part.Specifically, in circumferentially positioned seat 13 by the Relatively orientation of cutter 40 and mounting base 31 To the second position, rotary lifting screw 342, so that pushing tow screw 342 is mobile to adjustment component 32 by arc spring lamination 341, directly It is close to arc spring lamination 341 with adjustment component 32, due to the effect of frictional force, adjusting component 32 at this time just can not continue opposite pacify It fills seat 31 to rotate, to realize that the relative position by cutter 40 and mounting base 31 is maintained at the second position.The utility model is implemented Example is by 342 pushing tow arc elastic of pushing tow screw, to limit the rotation of adjustment component 32, relative to pushing tow screw 342 directly with For the contact for adjusting component 32, arc spring lamination 341 and the contact area of adjustment component 32 are bigger, in prolonged use process In, the damage for exchanging whole group part 32 is lighter, the service life of clamp assemblies 30 is improved, if in addition, pushing tow screw 342 and tune Whole group part 32 directly contacts, and in the long-term use, the lateral wall of adjustment component 32 will receive the scribing of pushing tow screw 342, So that the installation of adjustment component 32 and mounting base 31 generates loosening, the machining accuracy of cutter 40 can be seriously affected.Preferably, described Arc spring lamination 341 and the mounting base 31 are integrally formed.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (13)

1. a kind of knife sharpener, which is characterized in that clamp assemblies including rack, for clamping cutter are installed in the rack And the grinding assembly for grinding the cutter, the rack include frame main body, are fixedly installed in the frame main body And it the axially position seat that can detachably cooperate with the clamp assemblies and is fixedly installed in the frame main body and can The circumferentially positioned seat detachably cooperated with the clamp assemblies, the grinding assembly include being fixedly installed in the frame main body Motor, rotated by the motor driven and for grind the cutter grinding wheel component and be fixedly installed in the frame main body And at least one processing stations that can detachably cooperate with the clamp assemblies, the clamp assemblies include for the week It the mounting base detachably installed to positioning seat and the processing stations and is connect with the mounting base and described for clamping Cutter and the adjustment component for adjusting the cutter with the relative position of the mounting base, the axially position seat are described for positioning Cutter and the mounting base in the relative position of the cutter axial direction, the circumferentially positioned seat for position the cutter with The mounting base is in the relative position of the cutter circumferential direction；Definition, by the axially position seat positioning the cutter with The mounting base is first position in the relative position of the cutter axial direction, by the knife of the circumferentially positioned seat positioning Tool is the second position in the relative position of the cutter circumferential direction with the mounting base, and the first position makes the installation The face to be ground that seat is installed on after the processing stations on the cutter can arrive at the grinding wheel component in axial direction, described To be ground face of the second position after making the mounting base be installed on the processing stations on the cutter is in circumferential direction and institute It is close to the outer surface for stating grinding wheel component.

2. knife sharpener as described in claim 1, which is characterized in that be equipped in the clamp assemblies and be slidably inserted into for the cutter Clamping through-hole, the axially position seat includes being fixedly connected with the frame body and for detachable with the clamp assemblies It the support frame of cooperation and is fixedly connected with support frame as described above and slides into described in the opposite mounting base of the cutter Keep out the axial abutment of the cutter when one position, the relative position for defining support frame as described above and the axial abutment is the The relative position of three positions, the processing stations and the grinding wheel component is the 4th position, the third place and the described 4th Position is corresponding so as to enable to the mounting base to be installed on by the first position that the axially position seat positions described Face to be ground after processing stations on the cutter can arrive at the grinding wheel component in axial direction.

3. knife sharpener as claimed in claim 2, which is characterized in that support frame as described above includes being fixedly connected with the frame main body Support frame ontology, one end is fixedly connected with support frame as described above ontology and the other end prolongs to far from the direction of support frame as described above ontology The first support column and one end stretched be fixedly connected with support frame as described above ontology and with the spaced and parallel setting of the first support column The second support column, the clamp assemblies set in position opposite on its lateral wall and are respectively equipped with the first slot and the second slot, When the clamp assemblies and support frame as described above detachably cooperate, support frame as described above is located at first support column and second described Between dagger, also, first support column is connected in first slot, and second support column is connected in described second In slot.

4. knife sharpener as claimed in claim 2, which is characterized in that the adjustment component includes connecting and using with the mounting base In the undertaking pipe fitting being detachably connected with support frame as described above, it is located in the undertaking pipe fitting and in the opposite peace of the cutter Dress seat clamps the elastic collet of the cutter and with the undertaking pipe fitting sleeving and in described when sliding into the first position The cutter relatively described mounting base controls the elastic collet clamping cutter when sliding into the first position described to limit The extruding pipe fitting that the relatively described mounting base of cutter axially moves.

5. knife sharpener as claimed in claim 4, which is characterized in that be equipped with bellmouth, the elastic clip in the undertaking pipe fitting Head is placed in the bellmouth, and the inside of the elastic collet extends equipped with the axial direction along the bellmouth and supplies the knife Have across folder knife through-hole, the elastic collet has elasticity in its radial direction, be additionally provided in the undertakings pipe fitting axis and The threaded hole that the axis of the bellmouth is overlapped, the lateral wall for squeezing pipe fitting are equipped with the outer spiral shell cooperated with the threaded hole Line, the extruding pipe fitting are threadedly connected to the threaded hole and the elasticity described in pushing tow when the cutter arrives at the first position Collet is so that the elastic collet clamps the cutter.

6. knife sharpener as claimed in claim 5, which is characterized in that the lateral wall of the elastic collet is equipped with around the elasticity The first annular groove of the axis setting of collet, the extruding pipe fitting, which is equipped with, is inserted into the first annular groove and for driving The mobile protrusive board of the elastic collet.

7. knife sharpener as claimed in claim 5, which is characterized in that the mounting base is sheathed on outside the adjustment component, described Component is adjusted to be rotatablely connected with the mounting base to drive the cutter to rotate relative to the mounting base to the second position, institute It states mounting base and cooperates with the circumferentially positioned seat in the elastic collet by the tool-holder is next, the circumferentially positioned seat includes It circumferential erecting bed for detachably cooperating with the mounting base and is rotated relative to the mounting base to described in the cutter Keep out the circumferential abutment of the cutter when second position, the clamp assemblies further include kept out in the circumferential abutment it is described Limit the circumferential limit assembly that rotate relative to the mounting base of adjustment component after cutter, define, the erecting bed with it is described The relative position of circumferential limit assembly is the 5th position, and the 5th position is corresponding with the 4th position so that by the week After the second position positioned to positioning seat enables to the mounting base to be installed on the processing stations on the cutter Face to be ground can be close in circumferential direction with the outer surface of the grinding wheel component.

8. knife sharpener as claimed in claim 7, which is characterized in that the cutter include cutter body and with the cutter master Body connects and extends spirally the cutting edge band to be formed and for cutting product, the circumferential direction around the axial direction of the cutter body Abutment is kept out in the cutting edge band.

9. knife sharpener as claimed in claim 8, which is characterized in that definition, the circumferential direction abutment are kept out in the cutting edge When taking, point contact on the cutting edge band with the circumferential abutment is to keep out a little, described to keep out a little and the cutting edge The lower extreme point of band is greater than 1mm in the distance of the axial direction of the cutter.

10. knife sharpener as claimed in claim 8, which is characterized in that the clamp assemblies further include that one end is connected to the peace Dress seat and the other end is connected to the adjustment component and drive the adjustment component relative to the mounting base rotation to be cut described Cut the elastic parts that land is pressed in the circumferential abutment.

11. knife sharpener as claimed in claim 10, which is characterized in that on the undertaking end face of the pipe fitting towards the mounting base Equipped with accommodation groove, the elastic parts includes the first drawing that is interior positioned at the accommodation groove and being fixedly connected with the undertaking pipe fitting Column, one end are fixedly connected and the second stay column that the other end extends to the accommodation groove and one end and described the with the mounting base One stay column connects and the other end is connected with second stay column to drive the drawing for adjusting component and rotating relative to the mounting base Spring.

12. knife sharpener as claimed in claim 7, which is characterized in that the mounting base be sheathed on the undertaking pipe fitting it is outer and with The undertaking pipe fitting rotation connection, the lateral wall for accepting pipe fitting are equipped with second around the axis setting for accepting pipe fitting The side wall of annular groove, the mounting base is equipped with pin hole, and the clamp assemblies further include that one end is fixedly connected in the pin hole And the other end is inserted into the second annular groove and does circumference in the axis in the second annular groove around the undertaking pipe fitting The pin of movement.

13. knife sharpener as claimed in claim 7, which is characterized in that the side wall of the mounting base is additionally provided with radially direction The tapped through hole of extension, the circumferential direction limit assembly include one end be fixedly connected on the mounting base and the other end around the installation The axis of seat extends and is located at the arc spring lamination between the tapped through hole and the adjustment component and is combined on the spiral shell The arc spring lamination is pressed in the pushing tow of the adjustment component lateral wall in line through-hole and for arc spring lamination described in pushing tow Screw.