CN208428310U - Interchangeable cutting knife group and electronic cutting apparatus - Google Patents

Abstract

The utility model discloses a kind of interchangeable cutting knife group and electronic cutting apparatus, are related to cutting means field.Interchangeable cutting knife group includes knife bar mechanism and bit mechanism；Bit mechanism includes being connected with each other head body and cutting knife, offers the first link slot on head body, the second link slot is offered on the cell wall of the first link slot；Knife bar mechanism includes locating part, knife bar connector and return unit, one end of knife bar connector is knife bar connecting pin, knife bar connecting pin can extend into the first link slot, and offer interconnected limit hole and reset hole, limit hole is located at the hole wall of reset hole, locating part is set to limit hole, return unit is equipped with limit inclined-plane, return unit is set to reset hole, and it can be along the axial movement of reset hole, and when return unit is mobile backwards to knife bar connecting pin, limit inclined-plane drives locating part to stretch out limit hole, and locating part protrudes into the second link slot.The interchangeable cutting knife group, which has, to be conveniently replaceable, the high feature of component versatility.

Description

Interchangeable cutting knife group and electronic cutting apparatus

Technical field

The utility model relates to cutting means fields, in particular to a kind of interchangeable cutting knife group and electronic cutting Equipment.

Background technique

Guillotine be the sheet material for all trades and professions segmentation with cut, it does not need any mold；Pass through system software It controls, then directly product is cut, as long as setting corresponding parameter on the operational platform, computer transmission is corresponding It instructs to guillotine；Guillotine is just quickly cut according to the design picture proof of receiving, and automated procedures are high；It is easy to operate.It is Electronic cutting apparatus used by many industries at present.

Currently, the knife bar accessory tool of domestic and international existing cutter machine, most of knife bar and cutter head are integral design, Suitable for technical grade product, different knife bars and cutter head can not be shared, for different purposes blade need redesign and again It newly processes whole knife bar, there are problems that the wasting of resources and lack product brand continuity.

In view of this, R & D design goes out a kind of interchangeable cutting knife group for being able to solve above-mentioned technical problem and electronic cutting Equipment is particularly important.

Utility model content

The purpose of this utility model is to provide a kind of interchangeable cutting knife group, which has convenient for more It changes, the high feature of component versatility.

The another object of the utility model is to provide a kind of electronic cutting apparatus, which has convenient for more It changes, the high feature of component versatility.

The utility model provides a kind of technical solution:

In a first aspect, the utility model embodiment provides a kind of interchangeable cutting knife group, including knife bar mechanism and cutter head Mechanism；The bit mechanism includes being connected with each other head body and cutting knife, offers the first link slot on the head body, The second link slot is offered on the cell wall of first link slot；The knife bar mechanism includes locating part, knife bar connector and answers One end of position part, the knife bar connector is knife bar connecting pin, and the knife bar connecting pin can extend into first link slot, and Interconnected limit hole and reset hole are offered, the limit hole is located at the hole wall of the reset hole, the locating part setting In the limit hole, the return unit is equipped with limit inclined-plane, and the return unit is set to the reset hole, and can be along described multiple The axial movement in position hole, and when the return unit is mobile backwards to the knife bar connecting pin, the limit inclined-plane is able to drive institute It states locating part and stretches out the limit hole, and the locating part protrudes into second link slot.

With reference to first aspect, rebound step, institute are equipped in the first implementation of first aspect, in the reset hole It states and is convexly equipped with rebound protrusion on return unit；

The knife bar mechanism further includes return springs, and the return springs are sheathed on the return unit, and described multiple Position elastic component is compressed between the rebound protrusion and the rebound step by elastically-deformable, and the return unit is had The trend mobile backwards to the knife bar connecting pin.

With reference to first aspect and its above-mentioned implementation, in second of implementation of first aspect, the knife bar machine Structure further includes transmission gear, and the transmission gear offers pinion attachment holes, and has limit on the hole wall of the pinion attachment holes Position step, the knife bar connector are installed on the pinion attachment holes, and the rebound far from one end of the knife bar connecting pin Protrusion is held in the limited step under the action of elastic force of the return springs.

With reference to first aspect and its above-mentioned implementation, in the third implementation of first aspect, in the limit When inclined-plane drives the locating part to stretch out the limit hole, institute is stretched out in one end far from the knife bar connecting pin of the return unit State pinion attachment holes.

With reference to first aspect and its above-mentioned implementation, in the 4th kind of implementation of first aspect, the knife bar machine Structure further includes guard shield, and the guard shield is set in the transmission gear, and blocks the transmission gear.

With reference to first aspect and its above-mentioned implementation, in the 5th kind of implementation of first aspect, the knife bar machine Structure further includes knife bar casing and Casing bearing, and described sleeve pipe bearing is installed in the knife bar casing, described sleeve pipe bearing suit In the knife bar connector.

With reference to first aspect and its above-mentioned implementation, in the 6th kind of implementation of first aspect, described first connects Second link slot there are two symmetrically being opened up on the cell wall of access slot.

With reference to first aspect and its above-mentioned implementation, in the 7th kind of implementation of first aspect, described first connects The cross section of access slot is kidney ellipsoid.

With reference to first aspect and its above-mentioned implementation, in the 8th kind of implementation of first aspect, the knife bar connects The outer of the cross section of fitting is kidney ellipsoid.

Second aspect, the utility model embodiment provide a kind of electronic cutting apparatus, including cutting mobile mechanism's sum Interchangeable cutting knife group, the interchangeable cutting knife group includes knife bar mechanism and bit mechanism；The bit mechanism includes mutual Head body and cutting knife are connected, the first link slot is offered on the head body, is opened on the cell wall of first link slot Equipped with the second link slot；The knife bar mechanism includes locating part, knife bar connector and return unit, one end of the knife bar connector For knife bar connecting pin, the knife bar connecting pin can extend into first link slot, and offer interconnected limit hole and Reset hole, the limit hole are located at the hole wall of the reset hole, and the locating part is set to the limit hole, and the return unit is set There is a limit inclined-plane, the return unit is set to the reset hole, and can be along the axial movement of the reset hole, and described multiple When position part is mobile backwards to the knife bar connecting pin, the limit inclined-plane is able to drive the locating part and stretches out the limit hole, and The locating part protrudes into second link slot.Mobile mechanism is cut to connect with knife bar connector.

Compared with prior art, interchangeable cutting knife group provided by the embodiment of the utility model and electronic cutting apparatus is beneficial Effect is:

Knife bar connecting pin, which can extend on head body, offers first the first link slot of link slot, and locating part is set to limit In the hole of position, be provided with limit inclined-plane on return unit, return unit is set to reset hole, and can along the axial movement of reset hole, and When return unit is mobile backwards to knife bar connecting pin, limit inclined-plane can support locating part, and locating part is driven to move, to stretch out limit Position hole, and locating part when limit hole, can extend into the second link slot opened up on the cell wall of the first link slot when stretching out, and limit Head body by the way that dismountable bit mechanism is arranged, is improved mutually with to complete the connection between knife bar mechanism and bit mechanism The versatility of formula cutting knife group is changed, and replaces different bit mechanisms convenient for operator.

To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and Cooperate appended attached drawing, is described in detail below.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as.For those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural representation that interchangeable cutting knife group provided by the embodiment of the utility model is applied to electronic cutting apparatus Figure.

Fig. 2 is the structural schematic diagram of interchangeable cutting knife group provided by the embodiment of the utility model.

Fig. 3 is the structure cut-away illustration of interchangeable cutting knife group provided by the embodiment of the utility model.

Fig. 4 is the structural schematic diagram of the bit mechanism of interchangeable cutting knife group provided by the embodiment of the utility model.

Fig. 5 is the schematic diagram of the structure of the bit mechanism of interchangeable cutting knife group provided by the embodiment of the utility model.

Icon: 100- electronic cutting apparatus；20- cuts mobile mechanism；10- interchangeable cutting knife group；12- bit mechanism； 120- head body；The first link slot of 1201-；The second link slot of 1202-；121- the first cutter head interconnecting piece；1211- first is installed Hole；The first construction section of 12115-；12117- first limits section；The first confined planes of 12119-；122- first bearing；The second knife of 123- Head interconnecting piece；The second mounting hole of 1231-；124- second bearing；The second limiting slot of 1232-；125- circlip；126- cutting knife； 127- first connecting rod；1271- first connecting rod cap；1272- threaded connection hole；The second connecting rod of 128-；The connection of 1281- second Pole cap；15- knife bar mechanism；151- locating part；1513- limits inclined-plane；152- knife bar connector；1521- knife bar connecting pin； 1522- limit hole；1523- reset hole；1525- springs back step；153- return unit；1531- rebound protrusion；154- Flexible Reset Part；155- transmission gear；1551- pinion attachment holes；1552- limited step；156- guard shield；157- knife bar casing；158- Casing bearing.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Term " on ", "lower", The orientation or positional relationship of the instructions such as "inner", "outside", "left", "right" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put or those skilled in the art usually understand Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified sets Standby or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.Term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.Art A series of language "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that including want The process, method, article or equipment of element not only includes those elements, but also including other elements that are not explicitly listed, It further include either for elements inherent to such a process, method, article, or device.In the absence of more restrictions, The element limited by sentence "including a ...", it is not excluded that in the process, method, article or equipment for including element also There are other identical elements.

It should also be noted that, unless otherwise clearly defined and limited, the terms such as " setting ", " connection " should do broad sense reason Solution, for example, " connection " may be fixed connection or may be dismantle connection, or integral connection；It can be mechanical connection, It is also possible to be electrically connected；It can be and be directly connected to, can also be indirectly connected with by intermediary, be can be inside two elements Connection.For the ordinary skill in the art, it can understand as the case may be above-mentioned term in the present invention Concrete meaning.

Currently, the knife bar accessory tool of domestic and international existing cutter machine, most of knife bar and cutter head are integral design, Suitable for technical grade product, different knife bars and cutter head can not be shared, for different purposes blade need redesign and again It newly processes whole knife bar, there are problems that the wasting of resources and lack product brand continuity.

The utility model embodiment provides a kind of interchangeable cutting knife group and electronic cutting apparatus, and electronic cutting apparatus uses Interchangeable cutting knife group carries out cutting operation, which, which has, is conveniently replaceable, the high feature of component versatility.

With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail.

Embodiment:

Referring to Fig. 1, Fig. 1 is that interchangeable cutting knife group 10 provided by the embodiment of the utility model is set applied to electronic cutting Standby 100 structural schematic diagram.

Electronic cutting apparatus 100 include cut mobile mechanism 20 and interchangeable cutting knife group 10, cut mobile mechanism 20 with Interchangeable cutting knife group 10 connects, and cuts mobile mechanism 20 and is able to drive the movement of interchangeable cutting knife group 10, to complete to cut work Make, which, which has, is conveniently replaceable, the high feature of component versatility.

Since electronic cutting apparatus 100 uses interchangeable cutting knife group 10, it is convenient for so electronic cutting apparatus 100 has Replacement, the high feature of component versatility.

Structure composition, the work original of interchangeable cutting knife group 10 provided by the embodiment of the utility model will be specifically introduced below Reason and beneficial effect.

Referring to Fig. 2, Fig. 2 is the structural schematic diagram of interchangeable cutting knife group 10 provided by the embodiment of the utility model.

Interchangeable cutting knife group 10, including the knife bar mechanism 15 and bit mechanism 12 being detachably connected, wherein knife bar mechanism 15 for cut mobile mechanism 20 and connect, bit mechanism 12 cuts work for completion；

Fig. 3 and Fig. 4 are please referred to, Fig. 3 is the structure cutting of interchangeable cutting knife group 10 provided by the embodiment of the utility model Schematic diagram.Fig. 4 is the structural schematic diagram of the bit mechanism 12 of interchangeable cutting knife group 10 provided by the embodiment of the utility model.

Bit mechanism 12 includes being connected with each other head body 120 and cutting knife 126, and cutting knife 126 cuts work for completing To make, the first link slot 1201 is offered on head body 120, the first link slot 1201 with knife bar mechanism 15 for connecting, and first The second link slot 1202 is offered on the cell wall of link slot 1201；

Knife bar mechanism 15 includes locating part 151, knife bar connector 152 and return unit 153, one end of knife bar connector 152 For knife bar connecting pin 1521, knife bar connecting pin 1521 can extend into the first link slot 1201, and open on knife bar connecting pin 1521 Equipped with interconnected limit hole 1522 and reset hole 1523, limit hole 1522 is located at the hole wall of reset hole 1523, locating part 151 It being set in limit hole 1522, limit inclined-plane 1513 is provided on return unit 153, return unit 153 is set to reset hole 1523, and Inclined-plane 1513 can be limited along the axial movement of reset hole 1523, and when return unit 153 is mobile backwards to knife bar connecting pin 1521 Locating part 151 can be supported, and locating part 151 is driven to move, to stretch out limit hole 1522, and locating part 151 is stretching out the time limit When the hole 1522 of position, it can extend into the second link slot 1202, limit head body 120, to complete knife bar mechanism 15 and cutter head machine Connection between structure 12 improves the versatility of interchangeable cutting knife group 10, and be convenient for by the way that dismountable bit mechanism 12 is arranged Operator replaces different bit mechanisms 12.

It is understood that above-mentioned limit inclined-plane 1513 can also be with the side of the upper conical part of locating part 151.

Further, it is equipped with rebound step 1525 in reset hole 1523, rebound protrusion 1531 is convexly equipped on return unit 153；

Knife bar mechanism 15 further includes return springs 154, and return springs 154 are sheathed on return unit 153, and Flexible Reset Part 154 is compressed between rebound protrusion 1531 and rebound step 1525 by elastically-deformable, and return unit 153 is had backwards The mobile trend in knife bar connecting pin 1521, operator is when replacing bit mechanism 12, it is only necessary to protrude into knife bar connecting pin 1521 First link slot 1201, when being put into, locating part 151 the first link slot 1201 cell wall support effect under take in limit hole In 1522, and when locating part 151 is corresponding with the second 1202 pairs of link slot since return unit 153 is in the elasticity of return springs 154 There is the trend mobile backwards to knife bar connecting pin 1521 under the action of power, and then locating part 151 is driven to stretch out limit hole 1522, make It obtains locating part 151 to be located in the second link slot 1202, completes the connection of head body 120 and knife bar connecting pin 1521.

Please continue to refer to Fig. 3, knife bar mechanism 15 can also include transmission gear 155, and transmission gear 155 offers gear company Hole 1551 is connect, and there is limited step 1552 on the hole wall of pinion attachment holes 1551, knife bar connector 152 is far from knife bar connecting pin 1521 one end is installed on pinion attachment holes 1551, and springs back protrusion 1531 under the action of the elastic force of return springs 154 It is held in limited step 1552, with limitation rebound protrusion 1531 between limited step 1552 and rebound step 1525, convenient for behaviour Make personnel's operation.

Further, limit inclined-plane 1513 drive locating part 151 stretch out limit hole 1522 when, return unit 153 it is separate Pinion attachment holes 1551 are stretched out in one end of knife bar connecting pin 1521, and operator can directly press the separate knife of return unit 153 One end of bar connecting pin 1521, so that return unit 153 is mobile towards knife bar connecting pin 1521, so that limit inclined-plane 1513 is mobile, To allow open position, enable locating part 151 to retract limit hole 1522, and retract the second link slot 1202, completes head body 120 and knife bar connecting pin 1521 connection, convenient for operator operate.

Further, knife bar mechanism 15 further includes guard shield 156, and guard shield 156 is set in transmission gear 155, and Transmission gear 155 is blocked, for protecting operator, avoids operator from not touching, and reduce sundries and fall into transmission gear 155, improve the operation stability of interchangeable cutting knife group 10.

Further, knife bar mechanism 15 further includes knife bar casing 157 and Casing bearing 158, and Casing bearing 158 is installed on knife In rod bush 157, Casing bearing 158 is set in knife bar connector 152, and knife bar connector 152 can be relative to knife bar casing 157 Rotation, knife bar connector 152 are connected to by knife bar casing 157 and cut mobile mechanism 20.

Please continue to refer to Fig. 4, symmetrically opened up on the cell wall of the first link slot 1201 there are two the second link slot 1202, so that Operator can assemble head body 120 in two directions, improve user experience.

Further, above-mentioned second link slot 1202 can be triangular groove as shown in Figure 4, to improve knife bar connector Connective stability between 152 and head body 120.

Further, the cross section of the first link slot 1201 is kidney ellipsoid, and the outer of the cross section of knife bar connector 152 The stability of interchangeable cutting knife group 10 is improved for kidney ellipsoid in order to which knife bar connector 152 drives head body 120 to rotate.

Please continue to refer to Fig. 3 and Fig. 5, Fig. 5 is the knife of interchangeable cutting knife group 10 provided by the embodiment of the utility model The cut-away illustration of the structure of head mechanism 12.

One end of head body 120 is convexly equipped with the first cutter head interconnecting piece 121 and the second cutter head interconnecting piece 123, the first cutter head Interconnecting piece 121 and the second cutter head interconnecting piece 123 are oppositely arranged, and first connecting rod 127 passes through cutting knife 126, and is connected to First cutter head interconnecting piece 121 and the second cutter head interconnecting piece 123, to install cutting knife 126, so that cutting knife 126 is at work, The uniform force of two sides, and cutting knife 126 is after mounting, be located at the first cutter head interconnecting piece 121 and the second cutter head interconnecting piece 123 it Between, and the center line of head body 120 is overlapped with the radial center face of cutting knife 126, and is intersected with the axis of cutting knife 126, I.e. cutting knife 126 on the center line of head body 120, connect respectively with the first cutter head interconnecting piece 121 and the second cutter head The outer lateral extent of socket part 123 is identical, so, more uniform from two sides stress when cutting knife 126 works, and is not easy The case where shaking, being also less prone to bite.

The first mounting hole 1211 is offered on first cutter head interconnecting piece 121, the first mounting hole 1211 has interconnected The diameter of first construction section 12115 and the first limit section 12117, the first construction section 12115 is straight less than the first conductive limit section Diameter so will have a step between the first construction section 12115 and the first limit section 12117, be thereon the first confined planes 12119；

Bit mechanism 12 further includes first bearing 122, and first bearing 122 is installed on the first construction section 12115, and first axle The outer ring and the first confined planes 12119 for holding 122 support, and first connecting rod 127 is installed in the inner ring of first bearing 122, so that First connecting rod 127 can drive the inner ring of first bearing 122 to rotate, to increase the smoothness when cutting rotation of cutting knife 126, Increase the service life of bit mechanism 12.

Further, cutting knife 126 and the inner ring of first bearing 122 support, and specifically, cutting knife 126 is close to first The part of connecting rod 127 and the inner ring of first bearing 122 support, and further increase the stability of the rotation of cutting knife 126.

Please continue to refer to Fig. 5, the second mounting hole 1231 can also be offered on the second cutter head interconnecting piece 123, and second The second limiting slot 1232 is also provided on the hole wall of mounting hole 1231；

Also, bit mechanism 12 can also include second bearing 124, and second bearing 124 is installed on the second mounting hole 1231, And first connecting rod 127 is also installed in the inner ring of second bearing 124, is further increased suitable when the cutting of cutting knife 126 rotates Slip.

Further, bit mechanism 12 can also include circlip 125, and circlip 125 be fastened in the second limiting slot 1232, and with The outer ring of second bearing 124 supports, and so, can directly replace the components such as first bearing 122 by dismantling circlip 125, Simultaneously in order to assemble bit mechanism 12, convenient for the maintenance and assembly of bit mechanism 12.

Further.Cutting knife 126 and the inner ring of second bearing 124 support, and specifically, cutting knife 126 is close to first The part of connecting rod 127 and the inner ring of first bearing 122 support, and further increase the stability of the rotation of cutting knife 126.

Please continue to refer to Fig. 5, bit mechanism 12 can also include the second connecting rod 128, and first connecting rod 127 is located at first One end of cutter head interconnecting piece 121 offers threaded connection hole 1272, i.e., screw thread is provided on its hole wall, the second connecting rod 128 One end is installed in threaded connection hole 1272, to limit the position of first connecting rod 127 and the second connecting rod 128, increases cutter head The stability of mechanism 12.

Also, the rotating blade of existing similar technical grade product, it is most of to use screw and nut fixed form, appearance More coarse unsightly and figure appearances are relatively large, are not suitable for consumption figure electronic product.Bit mechanism provided by the utility model 12 are connected to the threaded connection hole 1272 opened up on the one end of first connecting rod 127 by the second connecting rod 128, reduce company The volume for connecing the component of cutting knife 126 increases the appearance cleaning of bit mechanism 12, improves user experience.

It is understood that can also pass through between first connecting rod 127 and the hole wall or bottom wall of threaded connection hole 1272 The form of fastener connects.

Further, the second connecting rod 128 has the second connection pole cap 1281 far from one end of threaded connection hole 1272, and Second connection pole cap 1281 is held in the inner ring of first bearing 122, so that the second connecting rod 128 can drive first bearing 122 Inner ring rotation, with increase cutting knife 126 cutting rotation when smoothness, increase bit mechanism 12 service life, and further limit The position of first connecting rod 127 processed and the second connecting rod 128, further increases the stability of bit mechanism 12.

Threaded connection hole 1272 is located at the side close to the first cutter head interconnecting piece 121 in the radial center face of cutting knife 126, I.e. threaded connection hole 1272 is only located at close to the position of the first cutter head interconnecting piece 121, improves the firm of first connecting rod 127 Property.

Further, first connecting rod 127 also can have first connecting rod cap 1271, and first connecting rod cap 1271 supports In the inner ring of second bearing 124, so that first connecting rod 127 can drive the inner ring of second bearing 124 to rotate, cut with increasing Smoothness when the cutting rotation of knife 126, increases the service life of bit mechanism 12, and further limitation first connecting rod 127 and second The position of connecting rod 128 further increases the stability of bit mechanism 12.

The working principle of interchangeable cutting knife group 10 provided by the embodiment of the utility model is:

Knife bar connecting pin 1521, which can extend on head body 120, offers 1,201 first link slot of the first link slot 1201, locating part 151 is set in limit hole 1522, and limit inclined-plane 1513 is provided on return unit 153, and return unit 153 is arranged In reset hole 1523, and can be moved along the axial movement of reset hole 1523, and in return unit 153 backwards to knife bar connecting pin 1521 When, limit inclined-plane 1513 can support locating part 151, and locating part 151 is driven to move, and to stretch out limit hole 1522, and limit Part 151 when limit hole 1522, can extend into the second link slot 1202 opened up on the cell wall of the first link slot 1201 when stretching out, Head body 120 is limited, to complete the connection between knife bar mechanism 15 and bit mechanism 12, by the way that dismountable cutter head machine is arranged Structure 12 improves the versatility of interchangeable cutting knife group 10, and replaces different bit mechanisms 12 convenient for operator.

To sum up:

Interchangeable cutting knife group 10 provided by the embodiment of the utility model, the interchangeable cutting knife group 10 have convenient for more It changes, the high feature of component versatility.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, in the absence of conflict, the feature in the above embodiments can be combined with each other, the utility model There can be various modifications and variations.Within the spirit and principle of the utility model, made any modification, equivalent replacement, Improve etc., it should be included within the scope of protection of this utility model.Also, it should regard embodiment as exemplary, and It is non-limiting, scope of this utility model is limited by the appended claims rather than the above description, it is intended that will fall in All changes in the meaning and scope of the equivalent requirements of the claims are embraced therein.It should not will be in claim Any appended drawing reference be construed as limiting the claims involved.

Claims (10)

1. a kind of interchangeable cutting knife group, which is characterized in that including knife bar mechanism and bit mechanism；

The bit mechanism includes being connected with each other head body and cutting knife, offers the first link slot on the head body, The second link slot is offered on the cell wall of first link slot；

The knife bar mechanism includes locating part, knife bar connector and return unit, and one end of the knife bar connector is knife bar connection End, the knife bar connecting pin can extend into first link slot, and offer interconnected limit hole and reset hole, described Limit hole is located at the hole wall of the reset hole, and the locating part is set to the limit hole, and the return unit is equipped with limit inclined-plane, The return unit is set to the reset hole, and can be along the axial movement of the reset hole, and in the return unit backwards to institute When stating the movement of knife bar connecting pin, the limit inclined-plane is able to drive the locating part and stretches out the limit hole, and the locating part Protrude into second link slot.

2. interchangeable cutting knife group according to claim 1, which is characterized in that rebound step is equipped in the reset hole, Rebound protrusion is convexly equipped on the return unit；

The knife bar mechanism further includes return springs, and the return springs are sheathed on the return unit, and the reset bullet Property part be compressed between rebound protrusion and the rebound step by elastically-deformable, and make the return unit with backwards The mobile trend in the knife bar connecting pin.

3. interchangeable cutting knife group according to claim 2, which is characterized in that the knife bar mechanism further includes driving cog Wheel, the transmission gear offer pinion attachment holes, and have limited step, the knife bar on the hole wall of the pinion attachment holes Connector is installed on the pinion attachment holes far from one end of the knife bar connecting pin, and rebound protrusion is in the reset bullet The limited step is held under the action of the elastic force of property part.

4. interchangeable cutting knife group according to claim 3, which is characterized in that drive the limit on the limit inclined-plane When part stretches out the limit hole, the pinion attachment holes are stretched out in one end far from the knife bar connecting pin of the return unit.

5. interchangeable cutting knife group according to claim 3, which is characterized in that the knife bar mechanism further includes that protection is outer Shell, the guard shield are set in the transmission gear, and block the transmission gear.

6. interchangeable cutting knife group according to claim 1, which is characterized in that the knife bar mechanism further includes knife bar casing And Casing bearing, described sleeve pipe bearing are installed in the knife bar casing, described sleeve pipe bearing holder (housing, cover) is loaded on the knife bar connector.

7. interchangeable cutting knife group according to claim 1, which is characterized in that symmetrical on the cell wall of first link slot Second link slot there are two opening up.

8. interchangeable cutting knife group according to claim 1, which is characterized in that the cross section of first link slot is waist It is round.

9. interchangeable cutting knife group according to claim 1, which is characterized in that outside the cross section of the knife bar connector Edge is kidney ellipsoid.

10. a kind of electronic cutting apparatus, which is characterized in that including cutting mobile mechanism and such as any one of claim 1-9 The interchangeable cutting knife group, the mobile mechanism that cuts connect with the knife bar connector.