CN205967479U - Fixture's cutting device with be used for centre gripping piece that surely falls - Google Patents

Abstract

The utility model provides a fixture's cutting device with be used for centre gripping piece that surely falls, includes: the holder, is located one side of cutting plane, around treating that the cutting member is not by the one end setting of centre gripping by at least two, remove the seat, set up the figure with the figure of holder is unanimous, every be equipped with one on removing the seat the holder, it can move towards or keep away from and treat cutting member reciprocating motion to remove the seat. The utility model provides a fixture's cutting device with be used for centre gripping piece that surely falls, the part of cutting cut for the quilt of treating the cutting member provides corresponding centre gripping, and the part of avoiding being cut cut drops impairedly, threatens operating personnel's personal safety even.

Description

There is the cutter sweep of the clamping device cutting drop piece for clamping

Technical field

This utility model is related to cutting equipment technical field and in particular to a kind of have the clamping machine cutting drop piece for clamping The cutter sweep of structure.

Background technology

Current cutting equipment typically only has the hold assembly clamping cutter member one end to be cut, and cutting member treated by cutting tool Middle part or the other end cut, this hold assembly is used for treating the position of cutting member and is locked out from cutting process Cutter member to be cut is rocked or is offset, but does not have corresponding clamping device for the part being cut, when needing in cutting operation When retaining the part being cut, due to not having special clamping device, partly easily dropping of being cut is impaired, or even makes Become the personal injury of operating personnel.

In addition, the clamping that common clamp assemblies treat cutting member is rigid clamping, such as chuck etc., rigidity clamping is held Easily treat cutting member clamping tension and can cause extrusion abrasion, clamped pine and can cause to clamp not strongly to lean on.

Utility model content

Therefore, the technical problems to be solved in the utility model cuts away during being to overcome cutting operation in prior art Part easily drop impaired, impact personal safety defect, thus provide a kind of dedicated for the part that is cut of clamping Have for clamping cut drop piece clamping device cutter sweep.

Another technical problem to be solved in the utility model is to overcome clamp assemblies in prior art to treat cutting member Rigidity clamping extrusion abrasion easily occurs or clamps not strongly the defect leaned on, thus provide a kind of chucking power suitable there is use Cut the cutter sweep of the clamping device of drop piece in clamping.

The technical solution adopted in the utility model is as follows：

A kind of cutter sweep with the clamping device cutting drop piece for clamping, including the chuck knot clamping cutter member to be cut Structure, and the knife assembly that described cutter member to be cut is cut, the clamping with respect to by chuck structure of described cutter member to be cut The other end of one end is provided with clamping device, and described clamping device includes：Holder, at least two, positioned at the side of facet, enclose Arrange around one end that cutter member to be cut is not clamped；Mobile base, setting number is consistent with the number of described holder, each described shifting Dynamic seat is provided with a described holder, and described Mobile base can move back and forth towards or away from cutter member to be cut.

Described holder is connected on described Mobile base by elastic construction, and described elastic construction is used for described holder bullet Property clamp described cutter member to be cut.

Described elastic construction includes taking shape in the pilot hole on described Mobile base, and is arranged in described pilot hole, and energy Enough holder connectors moving back and forth closer or far from described cutter member to be cut in described guiding in the hole court, described holder connects One end of part is connected with described holder, and described elastic construction also includes being arranged between described holder and described Mobile base Bias piece, the partial pressure of described bias piece, in described holder, makes described holder have towards described cutter member to be cut Movement tendency.

Described pilot hole is through hole, and described holder connector passes described pilot hole, and away from described holder End is provided with position limiting structure, and described position limiting structure is used for limiting the partial pressure in described bias piece for the described holder connector Lower deviate from described pilot hole towards described cutter member to be cut.

Described bias piece is elastic pressuring spring, and described elastic pressuring spring is sheathed on described holder connector, and one end props up institute State holder, the other end props up described Mobile base.

One end end of described holder connector forms external thread structure, and described position limiting structure is to be bolted in outside described On helicitic texture, and the nut offseting with the end face of described Mobile base.

Described holder has the rolling surface with the tangent setting of described cutter member to be cut.

Described holder includes two clamping rollers being arranged side by side.

Also include delivery device, described delivery device includes being slidably mounted the track structure of described Mobile base, and drive Move the driving structure that described Mobile base moves back and forth along described track structure.

Also include elevating mechanism, described elevating mechanism includes mounting table and drives described mounting table along cutter member to be cut axially The driving structure moving back and forth, described delivery device is on described mounting table.

Technical solutions of the utility model, have the advantage that：

1. what this utility model provided has the cutter sweep of the clamping device cutting drop piece for clamping, including positioned at cutting The side in face, at least two holders of one end setting not being clamped around cutter member to be cut, described holder is arranged at can On the Mobile base moving back and forth towards or away from cutter member to be cut, the setting of clamping device makes cutter member to be cut locked by chuck structure While determining, the part being cut also obtains special clamping, regardless of whether needing to retain the part being cut, this clamping Mechanism can guarantee to be cut the stable holding of part, it is to avoid its drop impaired, or even threaten operator the person peace Entirely；And Mobile base be reciprocally moveable so that holder is adjusted with the relative position of cutter member to be cut, can be according to difference The diameter of cutter member to be cut, adjusts the size of the formed clamp port of multiple holders.

2. what this utility model provided has the cutter sweep of the clamping device cutting drop piece for clamping, and described holder leads to Cross elastic construction to be connected on described Mobile base, the setting of elastic construction enables clamping device resilient clamp cutter member to be cut, Avoid and treat the extrusion abrasion that cutting member clamping tension can be caused, or clamped clamping not strongly caused by pine and lean on.

3. what this utility model provided has the cutter sweep of the clamping device cutting drop piece for clamping, described holder tool There is rolling surface with the tangent setting of cutter member to be cut so that holder rolls cooperation with the cutter member to be cut rotating, clamping device is to cutting The rotation of cutter member to be cut is not interfered in the clamping of drop piece.

4. what this utility model provided has the cutter sweep of the clamping device cutting drop piece for clamping, also includes elevator Structure, delivery device is arranged on mounting table, with the lifting of mounting table, the Mobile base on the track structure of delivery device Axial direction along cutter member to be cut increases or reduces, and this set allows the clip position of clamping device to adjust, root According to the specific requirement of job site, clamping device can be adjusted to suitable clip position.

Brief description

In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right In specific embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, below describe In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

The three-dimensional view of the claw drive mechanism for providing in the specific embodiment of the present invention for the Fig. 1；

The three-dimensional view of the chuck for providing in the specific embodiment of the present invention for the Fig. 2；

Fig. 3 is the sectional view at A in Fig. 2；

The perspective view of the cutter for providing in the specific embodiment of the present invention for the Fig. 4；

The three-dimensional view of the cutter head assembly for providing in the specific embodiment of the present invention for the Fig. 5；

The front view of the cutter sweep for providing in the specific embodiment of the present invention for the Fig. 6；

Fig. 7 is the close-up schematic view of Fig. 6.

Description of reference numerals：

1- claw；2- chuck body；3- shift fork；31- the first shift fork arm；32- the second shift fork arm；4- shifting part attachment structure； 41- shifting part connecting portion；5- turns round connector；6- telescopic shaft；7- telescoping mechanism；8- chuck seat；9- motor gear；10- cuts Knife；101- cutter head；102- circular shear blade；103- cutter shaft；104- rolling element；105- cutter shaft positive stop lug boss；11- first pusher Structure；12- second delivery device；13- cutter head connector；14- positive stop lug boss；15- knife rest installation cavity；151- end cap；16- position restrainer Structure；The spacing roller of 161-；162- installing rack；17- track structure；18- driving structure；19- fixed mount；191- clamps roller；20- First Mobile base；21- second Mobile base；22- elastic construction.

Specific embodiment

In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ", The orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, merely to Be easy to describe the present invention and simplify description, rather than instruction or the hint device of indication or element must have specific orientation, With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " is only used for describing purpose, and it is not intended that indicating or hint relative importance.

In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can To be to be mechanically connected or electrical connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

As long as additionally, the non-structure each other of involved technical characteristic in invention described below different embodiments Become conflict just can be combined with each other.

The three-dimensional view of the claw drive mechanism for providing in the specific embodiment of the present invention for the Fig. 1；Fig. 2 is the present invention's The three-dimensional view of the chuck providing in specific embodiment；Fig. 3 is the sectional view at A in Fig. 2；Fig. 4 is the concrete reality of the present invention The perspective view of the cutter providing in mode is provided；The solid of the cutter head assembly for providing in the specific embodiment of the present invention for the Fig. 5 View；The three-dimensional view of the cutter sweep for providing in the specific embodiment of the present invention for the Fig. 6；Fig. 7 is that the partial enlargement of Fig. 6 shows It is intended to.As Figure 1-3, the cutter sweep that present embodiment provides, including the chuck structure clamping cutter member to be cut, and to institute State the knife assembly that cutter member to be cut is cut, described chuck structure includes：Chuck, including three claws 1；Chuck body 2, becomes Type has the radial slot being distributed in card, is provided with a described claw 1, three described claws 1 are near institute in each described radial slot The one end stating the center of chuck body 2 forms clamp port, and described claw 1 can move back and forth along described radial slot, described to adjust The size of clamp port bore；And claw drive mechanism, including shifting part and drive component, described shifting part can relatively described card Disk body 2 is rotationally arranged, and the axle of the radial direction in the described claw 1 corresponding to this shifting part and described chuck body 2 To rotation with surface determined by direction, and connect with corresponding described claw 1；Have on described drive component and stir with described The consistent shifting part connecting portion 41 of part distribution, described shifting part is hinged with corresponding described shifting part connecting portion 41, and described drive Dynamic assembly, when along described chuck body axial direction back and forth movement, drives described shifting part to rotate and drives described claw 1 along described The radial direction of chuck body moves back and forth.

Specifically, the supporting side walls that described chuck body 2 includes card and supports card, radial slot is along described disk body It is radially arranged and is uniformly distributed in the cell body of card, described claw 1 is disposed as three with described radial slot, each radial slot Run through card setting along perpendicular to card direction, on the cell wall of radial slot, correspondence forms the slide rail radially extending, claw 1 Chute is formed at corresponding described slide rail, described claw 1 passes through chute being slidably matched in slide rail, realizes it along chuck on the wall of side Radial direction move back and forth, to adjust the size of described clamp port bore, the number of described shifting part setting and described claw Number consistent, be three, described shifting part is to include angled setting, the shift fork 3 of two shift fork arms of head and the tail connection, wherein First shift fork arm 31 is connected to described claw 1, and the second shift fork arm 32 is connected to described shifting part connecting portion 41, and described shifting part is even Socket part 41 is arranged in shifting part attachment structure 4, and described shifting part attachment structure 4 is connected to the end of described telescopic shaft 6, described Axial one end of shifting part attachment structure 4 is the cylinder being connected to telescopic shaft 6 end, cylindrical bottom face forms with The groove of telescopic shaft 6 interference fit, cylindrical upper surface forms the radial structure with three tops, and three tops End is located in the same horizontal plane, and each top end forms described shifting part connecting portion 41, the molding of described shifting part connecting portion 41 There is the second draw-in groove being suitable to the second shift fork arm 32 insertion, described second shift fork arm 32 is coordinated for gap with described second draw-in groove；Card First draw-in groove is formed on pawl 1, described first shift fork arm 31 stretches in described first draw-in groove and forms gap with the first draw-in groove joins Close, the design structure of shift fork 3 is simple, easy for installation, low cost, be easy to maintenance and change；Described first shift fork arm 31 and described the The junction of two shift fork arms 32 forms axis hole, and this axis hole is the center of rotation of described shift fork 3, and described shift fork 3 passes through this axle Hole is installed in rotation on described support bar, and in present embodiment, described support bar is arranged at the support-side of described mounting seat Be arrangeding in parallel with described displacement member on wall, the number of support bar setting is consistent with the number of shift fork 3, each described support bar On form the open slot of the center of rotation being adapted for insertion into shift fork 3, and pass through the cell wall of open slot and the pin of the axis hole of shift fork 3 Axle, enables shift fork 3 to be rotated with axis hole for center of rotation, and the setting of support bar is not only shift fork 3 and provides and supports, and prevents the One shift fork arm 31 comes off in the draw-in groove of moving member, is that the rotation of shift fork 3 provides fulcrum it is ensured that shift fork 3 is setting plane again Interior rotation, to stir moving member motion, in other embodiments, described support bar can also be arranged at other positions, for example, set It is placed in described shifting part attachment structure 4.

It should be noted that the setting number of described shifting part is consistent with claw 1 number, in other embodiments, block Pawl 1 can also be two with shifting part, and four even more many；Shifting part is correspondingly arranged with claw 1, the distribution side of multiple shifting parts Formula can be oppositely arranged for being evenly distributed, or becomes angle distribution etc.；The shape of described shifting part is not limited to shift fork, also Can for can claw 1 be located chuck radial direction and chuck rotation with surface determined by axial direction other Shape, such as ellipticity, triangle etc.；In addition, in other embodiments, described second shift fork arm 32 is connected with described shifting part The connected mode in portion 41 can also be that described shifting part connecting portion 41 forms the open slot being suitable to the second shift fork arm 32 insertion, It is equipped with bearing pin, the outer end of the second shift fork arm 32 forms the bar hole extending along its length, by bar shaped in open slot Hole and the gap cooperation of bearing pin, make the second shift fork arm 32 be articulated with shifting part connecting portion 41.

In present embodiment, described chuck also includes relatively rotating the chuck seat 8 of setting, described chuck with chuck body 2 Seat 8 forms opening up chuck seat installation cavity, and described chuck body 2 is rotationally closed at described opening, described driving The described telescoping mechanism 7 of assembly below described chuck seat 8, the lower surface of described chuck seat 8 be provided be suitable to wear described in stretch The axis hole of contracting axle 6, described shifting part attachment structure 4 is in described chuck seat and installs intracavity, and described shifting part attachment structure 4 can turn It is arranged at described telescopic shaft 6 dynamicly and stretches into the end that described chuck seat installs intracavity, the bottom surface of described claw 1 forms opening Surpass to described draw-in groove described chuck seat installation cavity, being adapted for insertion into described first shift fork arm 31.

Specifically, described shifting part attachment structure 4 is rotatably connected on described telescopic shaft 6 by turning round connector 5, Axial one end of described revolution connector 5 forms the axis hole being adapted for insertion into described telescopic shaft 6, described axis hole and described telescopic shaft 6 is interference fit；The other end forms dop or draw-in groove, and described shifting part attachment structure 4 is connected one with described revolution connector 5 Hold corresponding draw-in groove or the dop forming and coordinating clamping with described dop or draw-in groove, stop described revolution connector 5 and described group There is axially opposing displacement in moving part attachment structure 4.

Chuck body 2 can hard to bear rotation drive structure drive, and rotates with respect to chuck seat 8, described shifting part attachment structure 4 can It is rotatably arranged in described telescopic shaft 6 and stretches into described chuck seat and the end of intracavity is installed so that shift fork 3 and shifting part attachment structure 4 can be with claw 1 with chuck synchronous axial system, and telescopic shaft 6 need not rotate with chuck, and in chuck rotation process, telescoping mechanism 7 stops Only flexible, due to no relative motion between shift fork 3, shifting part attachment structure 4 and claw 1, position on chuck for the claw 1 is stable Do not move it is ensured that the workpiece clamped by the clamp port of claw 1 or instrument are solid and reliable, it is to avoid claw in chuck rotation process Clamping tension or lax led to problem that 1 movement causes.

In present embodiment, it is connected by floating bearing between described chuck body 2 and described chuck seat 8, described rotation is driven Dynamic structure is included along the circumferentially disposed gear structure in described chuck body 2 lateral wall, and engages cooperation with described gear structure Motor gear 9, it should be noted that in other embodiments, described rotation drive structure can also be driven knot for turbine and worm Structure, or be chain driving structure etc..

In present embodiment, described telescoping mechanism 7 is the electric cylinder with telescopic shaft 6, and electric cylinder is compared to cylinder and liquid It is not necessary to source of the gas and hydraulic power source, stable drive, noise are low, and impact shock is little, and the impact to transmission component is little, totally defends for cylinder pressure Raw, solve the problems, such as race, the leakage of cylinder and hydraulic cylinder, it should be noted that described telescoping mechanism 7 is not limited to electric cylinder, It is also possible to select cylinder or hydraulic cylinder according to specific manufacturing cost, handling characteristicss etc. in other embodiment, or other energy Enough drive mechanisms that flexible power is provided.

In present embodiment, described claw 1 is positive pawl, and in stepped ramp type, claw 1 is along chuck body 2 radial contraction to clamp work Part or instrument, to discharge workpiece or instrument it should be pointed out that in other embodiments, described claw 1 is permissible for radial dilatation For anti-pawl, claw 1 along chuck body 2 radial contraction to discharge workpiece or instrument, to fix workpiece or instrument, in addition block by radial dilatation The shape of pawl 1 is also not necessarily limited to as stepped ramp type, can also be rectangle or other shapes.

The chuck that present embodiment supplies, its course of action is as follows, and electronic cylinder working drives telescopic shaft 6 along the axial direction of mounting seat Retract, drive shifting part attachment structure 4 along the axial downward movement of chuck, drive the second shift fork arm 32 to move so that shift fork 3 exists Set in plane and rotate down, drive the first shift fork arm 31 to stir claw 1 and inwardly move along the footpath of chuck, clamp port reduces to clamp Instrument crossed by workpiece, and now motor gear 9 is subject to motor-driven rotation, and the gear structure circumferentially disposed with chuck body 2 lateral wall engages Cooperation, drives chuck body 2 to rotate with respect to chuck seat 8, due to being rotatably connected of shifting part attachment structure 4 and telescopic shaft 6, makes Obtain shifting part attachment structure 4 and shifting part can be with chuck body 2 synchronous axial system, you can realize workpiece or instrument that claw 1 is clamped Rotation, make the applicable cases of chuck obtain bigger extension it is adaptable to more kinds of work requirements；On the contrary, motor gear 9 stops Rotate, chuck body 2 stops operating, and telescopic shaft 6 is retracted downwards, drive claw 1 to discharge clamped workpiece or instrument.

It should be noted that in other embodiments, the flexible of telescopic shaft 6 can be carried out with the rotation of chuck body 2 simultaneously, Can be moved radially with realizing claw 1 while chuck body 2 rotates.

Described knife assembly includes cutter 10 and drives described cutter 10 towards closer or far from cutter member to be cut fortune The first dynamic delivery device 11, as shown in figure 4, the cutter head 101 of described cutter 10 is the cylinder with axis hole, from described knife 101 outside wall surface peripherally and outwardly extends and is formed with circular shear blade 102, and the outward flange of described circular shear blade 102 forms blade, and And the thickness of described circular shear blade 102 is gradually reduced from the outer wall of cutter head 101 towards blade, described cutter head 101, circular shear blade 102 is in be symmetrical arranged up and down all with described blade place plane for symmetrical plane；It is equipped with cutter shaft 103 in the axis hole of cutter head 101, Described cutter head 101 is rotatablely arranged on described cutter shaft 103, and cutter head 101 assembly in present embodiment, cutter shaft 103 It is provided with the circumferentially distributed multiple rollings that can roll along described cutter shaft 103 along the circumference of described cutter shaft 103 and axis hole between Body 104, the rolling surface of described rolling element 104 is contacted with the outside wall surface of described cutter shaft 103 and the internal face of described axis hole simultaneously, its In, described rolling element 104 is that axial length is suitable with the axial length of described axis hole, and the circumference along described cutter shaft 103 is closely arranged Multiple cylindrical rollers of row.

It should be noted that described rolling element 104 is not limited to cylindrical roller, in other embodiments, described rolling Body 104 can also be needle roller or roller etc.；Described cutter head 101 is also not necessarily limited to for cylinder, in other embodiments, also may be used Think Elliptic Cylinder etc.；Described blade is also not necessarily limited to as circular shear blade 102, in other embodiments, can also be tooth form knife Piece etc..

Specifically, described cutter head 101 is connected on cutter head connector 13 by cutter shaft 103, one end of cutter head connector 13 It is shaped to U-shaped frame, two vertical portions of described U-shaped frame respectively correspondingly form cutter shaft 103 installing hole, described cutter shaft 103 upper end forms the cutter shaft positive stop lug boss 105 that cannot pass through described cutter shaft installing hole, and the lower end of described cutter shaft 103 is suitable to By upper under sequentially pass through two described cutter shaft installing holes, described cutter shaft 103 is arranged on described cutter head even by way of hanging On fitting 13, described cutter shaft 103 and described cutter shaft installing hole are interference fit, the cylinder between cutter shaft 103 and cutter head 101 The upper and lower ends of roller are clamped by two vertical portions of U-shaped frame respectively, are not required to other special fixed structures, and cutting member treated by blade Extruding cutting, the rotational band dynamic cutter head 101 of cutter member to be cut rotates, and drives cylindrical roller to roll between cutter head 101 and cutter shaft 103 Dynamic, the sliding friction between cutter head 101 and cutter shaft 103 is changed into rolling friction, reduces the heat that friction produces, prevent knife 101 there is high temperature adhesion with cutter shaft 103, are more beneficial for extending the service life of cutter 10.

Need to say, described cutter shaft installing hole and described cutter shaft 103 are not limited to interference fit, in other embodiment In, described cutter shaft 103 can also be coordinated for gap with described cutter shaft installing hole, and described cutter shaft 103 relies on gravity to insert described knife In axle installing hole, contact due to being burnishing surface between cutter shaft 103 and cylindrical roller, cylindrical roller and cutter head 101, and cutter shaft 103 is then more coarse with the contact surface of cutter shaft installing hole, therefore during cutter head 101 rotates relative to cutter shaft 103, cutter shaft Even if 103 rotation is unrestricted, also due to frictional resistance and substantially will not rotate.

Also, it should be noted cutter shaft 103 is not limited to take shape in cutter shaft 103 with the connected mode of cutter shaft 103 installing hole The cutter shaft positive stop lug boss 105 of upper end, in other embodiments, can also be through taking shape in cutter shaft 103 upper end or two ends Radial direction in the hole bearing pin.

As shown in figure 5, in present embodiment, cutter head connector 13 is cylinder, and one end of cutter head connector 13 is shaped to U Type frame, described cutter 10 also include knife rest installation cavity 15, and described knife rest installation cavity 15 includes the cavity of open at one end, Yi Jishe Put the end cap 151 in open-mouth, described end cap 151, and described cavity with described end cap 151 with respect to bottom on become respectively Type has installing hole, and one end of described cutter head connector 13 is arranged in two described installing holes, and is maintained at knife rest installation cavity 15 Interior, U-shaped frame one end of described cutter head connector 13 is placed in outside knife rest installation cavity 15, and described cutter head connector 13 is pacified located at knife rest The one end behaveing affectedly in 15 direction of feed along cutter head 101 can move back and forth in described knife rest installation cavity 15, described cutter 10 also include the bias piece as buffer structure being arranged between described cutter head connector 13 and described knife rest installation cavity 15, institute The partial pressure stating bias piece, in described cutter head connector 13, makes described cutter head connector 13 have and stretches out towards cutter member to be cut The trend of described knife rest installation cavity 15；And described cutter head connector 13 be in knife rest installation cavity 15 partly on be additionally provided with Positive stop lug boss 14, the end face of described positive stop lug boss 14 is offseted with the internal face of close cutter head 101 side of knife rest installation cavity 15 Lean on, limit described cutter head connector 13 abjection described knife rest peace at this installing hole in the presence of the biasing force of described bias piece It behave affectedly 15.

In present embodiment, described bias piece is the elastic pressuring spring being sheathed on described cutter head connector 13, described elasticity One end of stage clip props up described positive stop lug boss 14, and the other end props up described end cap 151, in other embodiments, can also be One end of described knife rest installation cavity 15 forms installing hole, and one end of described cutter head connector 13 is stretched into described from described installing hole In knife rest installation cavity 15, described bias piece is resisted against described cutter head connector along the one end in the direction of feed of described cutter head 101 On 13 one end end face, the other end is resisted against on the internal face of described cavity, and described cutter head connector 13 is in described knife In frame installation cavity 15 partly on be provided with position limiting structure, described position limiting structure is used for limiting described cutter head connector 13 described Deviate from described knife rest installation cavity 15 at described installing hole in the presence of the biasing force of bias piece.

It should be noted that the cutter 10 in present embodiment are applicable not only to cutter sweep, in other embodiment In, apply also for hand-held pipe cutter, or in annular pipe cutting device.

As shown in Figure 6 and Figure 7, in present embodiment, described cutter sweep also include with described cutter 10 together around Cutter member to be cut setting for preventing the power that described knife assembly acts in described cutter member to be cut from so that cutter member to be cut is inclined Oblique position-limit mechanism 16, described position-limit mechanism 16 is arranged at the opposite side being relatively arranged on chuck with described first delivery device 11 Second delivery device 12, specifically, described position-limit mechanism 16 includes installing rack 162, and is arranged on described installing rack 162 Two spacing rollers 161, the cylinder of two spacing rollers 161 forms the rolling that described position-limit mechanism 16 is abutted with cutter member to be cut Dynamic face, two spacing rollers 161 are arranged side by side, and on the cutting planes of described cutter 10, relative with cutter 10 Setting, thus formed with the band cutting member rotating roll cooperation.

Described first delivery device 11 includes being slidably mounted the track structure 17 of described installing rack 162, described cutter 10 knife rest installation cavity 15 is arranged on described first delivery device 11 by another installing rack 162, and described track structure 17 is Two parallel sliding tracks that the direction of feed along described cutter head 101 being arranged on mounting table extends, described mounting table is liftable Setting, conveniently adapts to different cutting operations and requires, described installing rack 162 mating surface corresponding with described track structure 17 sets It is equipped with the chute being adapted with described slide rail, described installing rack 162 is additionally provided with screwed hole, described installing rack 162 dorsad institute The side stating cutter member to be cut is provided with driving structure 18, described driving structure 18 be connected with described screwed hole screw thread cooperation, along institute State the threaded rod of setting on the bearing of trend of track structure 17, drive threaded rod to rotate by driving structure 18, drive installing rack 162 move back and forth along track structure 17 towards or away from described cutter member to be cut；The structure of described second delivery device 12 with described First delivery device 11 is identical, and described second delivery device 12 is arranged with described first delivery device 11 specular, is connected to It is provided with described position-limit mechanism 16 on the installing rack 162 of described second delivery device 12；Described driving structure 18 is motor.

It should be noted that described first delivery device 11 and described second delivery device, 12 drive installation frame 162 direction Or it is not limited to electric motor driven screw rotation away from the reciprocating type of drive of cutter member to be cut, in other embodiments, also Can be electric cylinder driving, magnetically-actuated etc..

The cutter sweep that present embodiment provides, also includes the clamping device arranging around described cutter member to be cut, described folder Hold mechanism for clamping one end that described cutter member to be cut is not clamped by chuck, described clamping device includes two folders being oppositely arranged Gripping member, two holders are respectively arranged on the first Mobile base 20 and the second Mobile base 21, described first Mobile base 20 and second Mobile base 21 can move back and forth towards or away from cutter member to be cut, and described first Mobile base 20 and the second Mobile base 21 are respectively provided with On described first delivery device 11 and the second delivery device 12.

It should be noted that described first Mobile base 20 and the second Mobile base 21 are not limited to be arranged on delivery device, In other embodiment, Mobile base is also provided with single drive mechanism and drives Mobile base to move back and forth, Mobile base with spacing The motion respectively of mechanism 16, can be clamped respectively for the different cutter member to be cut of upper and lower diameter, be fixed.

Specifically, in present embodiment, described holder includes two clamping rollers 191 being arranged side by side, and clamps roller The tangent setting with cutter member to be cut of 191 cylinder, clamping roller 191 and cutter member to be cut roll cooperation, the first Mobile base 20 and second Two pilot holes are arranged side by side on Mobile base 21, described pilot hole is through hole, forms described Mobile base installation cavity respectively, each Guiding in the hole is equipped with the guide rod as described holder connector, and guide rod can be treated along clamping or release in described guiding in the hole The action direction of cutting member moves back and forth, and described guide rod forms external thread structure away from one end of cutter member to be cut, and this end sets Have for preventing guide rod from guiding the nut of in the hole from the retraction of this end, described guide rod stretches out the other end of described pilot hole, and be provided with can The fixed mount 19 of fixation described clamping roller 191, described fixed mount 19 has two fixed plates being oppositely arranged up and down, and two solid It is provided with two fixing axles, described clamping roller 191 is rotationally sheathed in described fixing axle, described fixed mount between fixed board It is provided with elastic construction 22, described elastic construction 22 is the elastic pressuring spring being sheathed on described guide rod, institute between 19 and Mobile base The elastic force stating elastic pressuring spring acts on fixed mount 19, makes fixed mount 19 have the trend away from Mobile base.

The cutter sweep that present embodiment provides, its work process is as follows：By in cutter member to be cut placement and chuck card, block Pawl 1 locks cutter member to be cut, and motor drives the installing rack 162 being arranged on the first delivery device 11 and the second delivery device 12 respectively Move towards cutter member to be cut, the installing rack 162 on the second delivery device 12 drives the spacing roller 161 being provided thereon mobile to rolling Dynamic face and cutter member the tangent to be cut, the installing rack 162 on the first delivery device 11 drives the cutter 10 being provided thereon mobile extremely It is adapted for extruding at the position of cutting operation, motor stops, and position-limit mechanism 16 is locked with cutter 10 position；Meanwhile, Be respectively arranged at the first Mobile base 20 on the first delivery device 11 and the second delivery device 12 and the second Mobile base 21 also with The cutter member to be cut of being moved towards of delivery device moves, drive two holder resilient clamp cutter member to be cut not by chuck clamp another One end, now, drives chuck body 2 to rotate, drives cutter member to be cut to rotate, spacing roller 161 with clamp roller 191 respectively with to be cut Cutter member rolls cooperation, and the cutter head 101 of cutter 10 rotates with respect to cutter shaft 103, band cutting member is carried out circumferentially cutting.

The cutter sweep that present embodiment provides realizes automatization's cutting, and precisely, working performance is high for safe operation.

Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or Change among still in the protection domain of the invention.

Claims (10)

1. a kind of cutter sweep with the clamping device cutting drop piece for clamping, including the chuck structure clamping cutter member to be cut, And knife assembly that described cutter member to be cut cut it is characterised in that described cutter member to be cut with respect to by chuck The other end of structural clamp one end is provided with clamping device, and described clamping device includes：

Holder, at least two, positioned at the side of facet, arrange around one end that cutter member to be cut is not clamped；

Mobile base, setting number is consistent with the number of described holder, and each described Mobile base is provided with a described holder, Described Mobile base can move back and forth towards or away from cutter member to be cut.

2. according to claim 1 have for clamping cut drop piece clamping device cutter sweep it is characterised in that institute State holder to be connected on described Mobile base by elastic construction (22), described elastic construction (22) is used for described holder elasticity Clamp described cutter member to be cut.

3. according to claim 2 have for clamping cut drop piece clamping device cutter sweep it is characterised in that institute State the pilot hole that elastic construction (22) inclusion takes shape on described Mobile base, and be arranged in described pilot hole, and can be in institute State and guide the holder connector that in the hole court moves back and forth closer or far from described cutter member to be cut, the one of described holder connector End is connected with described holder, and described elastic construction (22) also includes being arranged at inclined between described holder and described Mobile base Casting die, the partial pressure of described bias piece, in described holder, makes described holder have the fortune towards described cutter member to be cut Dynamic trend.

4. according to claim 3 have for clamping cut drop piece clamping device cutter sweep it is characterised in that institute Stating pilot hole is through hole, and described holder connector passes described pilot hole, and arranges limited away from one end of described holder Bit architecture, described position limiting structure is used for limiting described holder connector under the partial pressure of described bias piece towards described Cutter member to be cut deviates from described pilot hole.

5. according to claim 4 have for clamping cut drop piece clamping device cutter sweep it is characterised in that institute Stating bias piece is elastic pressuring spring, and described elastic pressuring spring is sheathed on described holder connector, and one end props up described holder, separately One end props up described Mobile base.

6. according to claim 4 have for clamping cut drop piece clamping device cutter sweep it is characterised in that institute One end end stating holder connector forms external thread structure, and described position limiting structure is to be bolted in described external thread structure On, and the nut offseting with the end face of described Mobile base.

7. the cutter sweep with the clamping device cutting drop piece for clamping according to any one of claim 1-6, its It is characterised by, described holder has the rolling surface with the tangent setting of described cutter member to be cut.

8. the cutter sweep with the clamping device cutting drop piece for clamping according to any one of claim 1-6, its It is characterised by, described holder includes two clamping rollers (191) being arranged side by side.

9. the cutter sweep with the clamping device cutting drop piece for clamping according to any one of claim 1-6, its It is characterised by, also includes delivery device, described delivery device includes the track structure (17) being slidably mounted described Mobile base, with And the driving structure (18) that the described Mobile base of driving moves back and forth along described track structure (17).

10. according to claim 9 have for clamping cut drop piece clamping device cutter sweep it is characterised in that Also include elevating mechanism, described elevating mechanism includes mounting table and drives described mounting table to move along cutter member axial reciprocating to be cut Driving structure, described delivery device is on described mounting table.