Cutter mechanism for binding machine of the file
Technical field
The present invention relates to a kind of cutter mechanism for binding machine of the file, belong to the stacked sheet in bookbinding operation or register
Permanent binding technique field.
Background technology
At present, the binder to bookbindery's employing of the paper such as folio, bill, archives, this binder achieves bookbinding
The automatization of process, as long as being placed on the table by bookbinding file, starting corresponding operation by operation panel, can will beat
Hole, Pipe Cutting and the several processing steps such as bookbinding that press once complete, and greatly simplifie labor intensity, improve bookbinding quality,
But this binder is adapted only to bind the bill that area is less, it is impossible to realize the bookbinding of the archives bigger to area.
Through retrieval, Chinese patent CN200320100103.2 discloses one " automatic file binder ", this binder
Tube cutting mechanism be provided with same pipe cutter couple cutting linkage, cutting linkage in cutting connecting rod with slew gear join
Connect.It has been found that slew gear still have employed the form of cylindrical cam so that workbench work area increases limited so that
Workbench work area increases limited, it is impossible to meets very big and the bookbinding of needs middle part the files of bookbinding area and binds
Needs.Meanwhile, after bookbinding pipe arrives by measuring the Cutting Length (position) that bar determines, cutting connecting rod drives pipe cutter to cut out
One section of required bookbinding pipe, in a Pipe Cutting operation, needs to carry out measurement bar, slew gear and tube cutting mechanism to unify whole
Closing, whole device is complicated.
Summary of the invention
The technical problem to be solved in the present invention is, not enough for prior art, and proposing one can be very big also to bookbinding area
And the files of bookbinding carry out the cutter mechanism for binding machine of the file bound in the middle part of needing.
The present invention solves that the technical scheme that above-mentioned technical problem proposes is: a kind of cutter machine for binding machine of the file
Structure, including frame, described binder is provided with and can move up to the drilling motor seat at place above frame, and described cutter mechanism also includes even
Bar, it is located at the drive crank above frame and is located at driven rocking bar, shift fork and the cutting knife below frame, described frame, actively
Rocking bar, driven rocking bar and connecting rod form double rocker mechanism, described drive crank be fixedly arranged at the front end with one for described punching electricity
The protrusive rod that support touches, described driven rocking bar is fixed in same rotary shaft with the shank of shift fork, and described driven rocking bar passes through
Rotary shaft forms revolute pair with frame, and it is movable in order to carry out Pipe Cutting that the claw of described shift fork is used for stirring described cutting knife.
The present invention uses technique scheme, thus brings following effect: 1) present invention by by frame, drive crank,
Driven rocking bar and connecting rod form double rocker mechanism, by elongating drive crank and the size of driven rocking bar, and can be to whole device
Space carry out tremendous expansion, solve existing slew gear use cylindrical cam to constrain that workbench work area increases is scarce
Fall into, can bind by files very big and that need middle part to bind to bookbinding area;2) present invention is by by frame, master
Shake bar, driven rocking bar and connecting rod form double rocker mechanism, it is only necessary to drive crank be fixedly arranged at the front end with one for punching
The protrusive rod that motor cabinet touches, driven rocking bar is fixed in same rotary shaft with the shank of shift fork, and the claw of shift fork is used for stirring
Cutting knife is movable in order to carry out Pipe Cutting, so can need not additionally add the devices such as measurement bar, simplify whole device.
The improvement of technique scheme is: described frame is arranged over the fixing axle of level, described fixing axle and described turn
Moving axis is the most parallel, and described fixing axle is arranged with rotating pipe box, and described drive crank and protrusive rod are each attached to
On pipe box.
The present invention uses technique scheme, thus brings following effect: the present invention is arranged over level by frame
Fixing axle, fixing axle is the most parallel with rotary shaft, is arranged with rotating pipe box, drive crank and extension on fixing axle
Bar is each attached on pipe box, such overall structure reliable transmission.
Improving further of technique scheme is: what described drive crank and protrusive rod mutually staggered is fixed on pipe box
On.
The present invention uses technique scheme, thus brings following effect: the present invention is by by drive crank and protrusive rod
That mutually staggers is fixed on pipe box, by pulling open the spacing of drive crank and protrusive rod, further by the space of whole device
Expand.
The one of perfect of technique scheme is: be provided with back-moving spring above described frame and between connecting rod.
Perfect two of technique scheme are: described cutting knife include blade, for fix blade cutter hub and for
The fixed plate of fixed cutter body.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the embodiment of the present invention structural representation one for the cutter mechanism of binding machine of the file.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the embodiment of the present invention structural representation two for the cutter mechanism of binding machine of the file.
Detailed description of the invention
Embodiment
The cutter mechanism for binding machine of the file of the present embodiment, as shown in Figure 1, Figure 2 and Figure 3, including frame (in figure not
Illustrate), drive crank 1, connecting rod 2, driven rocking bar 3, shift fork 4 and cutting knife 5.Drive crank 1 is located at above frame, driven rocking bar 3,
Shift fork 4 and cutting knife 5 are located at below frame.Binder is provided with and can move up to the drilling motor seat 12 at place above frame.Drilling motor
It is fixed with drilling motor 13 on seat 12.Drilling motor seat 12 can move up and down by the guide pillar 14 along binder.Frame, drive crank
1, connecting rod 2 and driven rocking bar 3 form double rocker mechanism.Back-moving spring 11 it is provided with above frame and between connecting rod 2.
Drive crank 1 be fixedly arranged at the front end with one for the protrusive rod 6 touched with drilling motor seat.Driven rocking bar 3 and shift fork 4
Shank be fixed in same rotary shaft 7, driven rocking bar 3 forms revolute pair by rotary shaft 7 with frame, and the claw of shift fork 4 is used
Movable in order to carry out Pipe Cutting in stirring cutting knife 5.Cutting knife 5 include blade 51, for fix blade cutter hub 52 and for
The fixed plate 53 of fixed cutter body.
In order to make overall structure reliable transmission, the frame of the present embodiment is arranged over the fixing axle 8 of level, fixing axle 8 He
Rotary shaft 7 is the most parallel, fixing axle 8 is arranged with rotating pipe box 9, drive crank 1 and protrusive rod 6 and is each attached to pipe
On set 9.
In order to further the space of whole device be expanded, so that bookbinding area very greatly and is needed middle part bookbinding
Files are bound, and what the drive crank 1 of the present embodiment and protrusive rod 6 mutually staggered is fixed on pipe box 9.
As it is shown on figure 3, now, cutting knife 5 is in closure state to the initial position of this cutter mechanism, and material cannot fall, material
Bottom is at the upper surface of blade 51.
When starting to punch, drilling motor 13 moves downward, and progressivelyes reach position as shown in Figure 1, drilling motor seat 12
Do not contact with protrusive rod 6, the non-stress of protrusive rod 6.Mechanism is overall only by the spring-force driven dual of back-moving spring 11, at back-moving spring 11
Under the effect of pulling force, cutting knife 5 is slowly opened, and material falls.
After punching terminates, when drilling motor 13 moves upward to peak, protrusive rod 6 is upwards lifted by drilling motor seat 12
Rising, back-moving spring 11 is in extended state, by double rocker mechanism, driven rocking bar 3 drives shift fork 4 to swing, and now shift fork 4 carries
Dynamic cutting knife 5 closes to left movement, just material is cut off, is returned to initial position.
The present invention is not limited to above-described embodiment.The technical scheme that all employing equivalents are formed, all falls within the present invention and wants
The protection domain asked.