CN201376808Y - Safety device of electric adhesive tape cutter and adhesive tape cutting device - Google Patents

Abstract

The utility model provides a safety device of electric adhesive tape cutter, which comprises a adhesive tape cutter body, a frame body, a rotating reel, a cut-off knife element, a sending-out port, a sending-out roller, a slot, a press key and an optical detector, wherein the rotating reel, the cut-off knife element and the sending-out port are located on the front and the rear ends on the upper portion of the body, the upper side of the sending-out port is provided with a fixed knife, and the outer side of the electric cutter is provided with a movable fence which can prevent fingers from stretching into the sending-out port. The utility model further provides an adhesive tape cutting device which comprises a filling drum for freely loading and unloading adhesive tape, an electric conveying part which sends out the adhesive tape filled on the drum and an electric knife part which cuts the adhesive tape which is sent out, wherein the knife part is provided with an electric movable blade and a fixed blade, the front surface of the electric conveying part is provided with a flat frame whose back is open, a spewing port of the adhesive tape is arranged on the upper half part of the front wall of the flat frame, and fixed blades capable of shaking front and rear are installed on the upper half part and the under the horizontal portion between the front walls of the flat frame.

Description

A kind of safety device of electrically-driven tape cutter and adhesive tape cutting apparatus

Technical field

The utility model relates to adhesive tape and cuts off technical field, particularly a kind of safety device of electrically-driven tape cutter and adhesive tape cutting apparatus.

Background technology

For the electrically-driven tape cutter of stating on delivering open flat 7-71977 communique, real fair 7-5087 communique as the spy in, for making adhesive tape from the above-mentioned mouthful suitable length of acquisition of sending; regular meeting makes finger near the exit that electronic cutter is arranged; even considered its safety; as long as stretch under the state of sending mouth at finger; and during electronic cutter perseveration, be easy to just produce injured wait unexpected.

Special public clear 48-4431 communique discloses a kind of adhesive tape automatic disconnecting device, and it mainly has: the drum of support tape; Carry drum, it carries the direction that above-mentioned adhesive tape cuts off sword to aftermentioned; Deflector roll, the adhesive tape that it is transferred out by this drum with belt drive and guiding from above-mentioned conveying drum; The pair of switches roller, its adhesive tape of by belt drive above-mentioned roller being carried from this deflector roll is changed to tensioning state, supports cut adhesive tape simultaneously; Cut off sword, it is driven by electromagnetic force between above-mentioned deflector roll and switch roller, cuts off and opens the adhesive tape that is located between this two roller; Form above-mentioned switch roller by electric conductor, in the circuit that comprises the motor that drives aforementioned conveying drum, assembling becomes the starting switch of motor; Remove above-mentioned adhesive tape from above-mentioned switch roller, make two switch rollers contact energising start above-mentioned motor; Simultaneously, the cut-out sword of movable side is provided with cleaning foil.

But the product of this structure is not set to guarantee the special means of mutual joint when cutting off the sword action, so only depend on the cleaning foil that is provided with on the cut-out sword can not correctly, successfully cut off adhesive tape.In addition, the front of above-mentioned switch roller does not have the discharge opening that is cut off adhesive tape, so for example adhesive tape cut long the time, the state that the adhesive tape that is cut off is bending by the waist is attached on the switch roller of below, therefore need divest with finger, even for avoiding this situation discharge opening is set in the front of switch roller, the lateral surface of the following portion of the adhesive tape that cuts off etc. has casual adhesion propensity, has problems such as being difficult to use equally with aforementioned.

Summary of the invention

The purpose of this utility model is to overcome the shortcoming of prior art, provides a kind of preventing to be taken place by the caused contingency of electronic cutter, has the safety device and the adhesive tape cutting apparatus of the electrically-driven tape cutter of simple structure.

The utility model is at end before the adhesive tape of backrush being sent from sending mouth, and by being arranged at the electrically-driven tape cutter that the electronic cutter sent mouthful cuts off adhesive tape, mouthful be provided with by preventing that finger from stretching into the safety device of taking precautions against the contingency that is caused by electronic cutter above-mentioned sending.When the cut-out of adhesive tape action beginning, utilize movable fence to prevent that finger from inserting the mouth of sending of adhesive tape, and when this movable fence mal start, can end to cut off the safety device of the carrying out of action at once.

In the above-mentioned electronic cutter outside of sending the movable fence that prevents that finger from stretching into is installed, and is made it be maintained at the state of closing, and can freely close by spring.And in following time of state that above-mentioned movable fence is terminated in out, according to the commencing signal that cuts off action, remove the sheet that ends of its limit movement by trigger switch, and pay the starting switch and this movable fence interlock of establishing an electronic cutter, adhesive tape is cut off by this electronic action to starting switch.After the cut-out, when electronic cutter playbacked, movable fence was also replied feature fixing on the position of opening.

For above-mentioned safety device, electronic cutter can be installed on the dead knife upper and lower free lifting that this adhesive tape is sent mouthful top certainly, so with the tying plate of this electronic cutter one lifting on be provided with can tying the claw of movable fence during in the electronic cutter of electronic cutter driver train lifting, and be provided with make above-mentioned movable fence by tying when the position of switch, make the only edge of the position of replying the pass, above-mentioned method for locking not only can utilize action to make movable fence break away from the hook that ends of the portion of ending, also possessing to have makes above-mentioned claw from ending the portion that giving as security that edge breaks away from of ending of plate, in addition, action of removing movable fence motion limits by this method for locking is good with screw actuator.

At electrically-driven tape cutter with said structure, whether can utilize inductor to detect cut adhesive tape removed, perhaps utilize operation push-button to urge the cut-out of sending of adhesive tape, after adhesive tape is sent to required length, send the signal that cuts off beginning, and then begin start by action that screw actuator etc. is constituted according to this signal, when the hook that make to end sheet breaks away from from the portion of ending of movable fence, the portion that giving as security that should end sheet also can make the claw of movable fence break away from the only only edge of plate, just can remove the restriction of movable fence, and since the elastic force effect of spring make movable fence close and send oral area, can prevent that so finger from stretching into this export department.After movable fence seals export department, electronic knife-like switch then is activated, if take place at this moment that finger inserts or situation that cut adhesive tape is paid work etc., when making movable fence locking normally export department, the switch of electronic cutter then can not be produced action, and electronic cutter does not then cut off the action of adhesive tape.

When the switch of electronic cutter when being effective, then start electronic cutter driver train and make electronic cutter move up, cut off be sent the adhesive tape of designated length after, electronic cutter then is returned on the original position.In playback,, open movable fence and limit it under the above-mentioned state of opening that ends method with the claw that edge then terminates in movable fence that ends on the plate of ending of electronic cutter one lifting.That is the hook that ends that should end portion's sheet terminates in ending section portion and limiting the state that it maintains out of movable fence, and standby to the signal of next cut-out action beginning produces.

Therefore, when the action of cutting off adhesive tape began, movable fence can prevent not only that finger from stretching into and send mouth, can also interrupt cutting off action when movable fence mal-function, reached the contingency that effectively prevents electronic cutter and caused.

The utility model is claimed is the safety device of the adhesive tape cutting apparatus and the electrically-driven tape cutter of drawing thus.

A kind of safety device of electrically-driven tape cutter, comprise adhesive-tape cutter main body, basket,

Turn round spool, cut-off knife element, send mouth, send roller bearing, slot, button, fluorescence detector, the revolution spool is positioned at the main body upper rear end, cut-off knife element and send mouth and be positioned at the front end of main body, the cut-off knife element by snap fit on the adhesive-tape cutter main body, send the top that roller bearing is positioned at main body, above sending mouthful, be provided with the said fixing cutter, dead knife to be provided with downwards can lifting electronic cutter, the outside of this electronic cutter is provided with to prevent to point stretches into the movable fence of sending mouthful, and keeps it to close by spring sending mouthful and can freely open.

Described slot is by the side of cut-off knife element, fluorescence detector is positioned at the bottom of sending mouth, button is positioned at a side on the top of main body, the scroll binding that freely turns round that the basket of adhesive-tape cutter main body is provided with adhesive tape, after receiving actuation signal, make that send roller bearing rotates a certain amount ofly, and send the length that oral area is sent appointment automatically by the cut-off knife element that is installed on the basket, and the adhesive tape that cuts off designated length by the action of the electronic cutter of being located at the above-mentioned dead knife of sending mouthful and its subtend.

The front end of the adhesive tape of adorning in the described rotating shaft passes out to and sends roller bearing from sending mouth, drives the electronic cutter axle drive shaft that electronic cutter cuts off adhesive tape, and drives the electronic cutter driver train that the electronic cutter CD-ROM drive motor of this electronic cutter axle drive shaft lifting is constituted.

The front end of the adhesive tape T that is adorning in the described rotating shaft passes out to and sends roller bearing from sending mouth, roller bearing is sent in driving makes adhesive tape can be sent to the roller bearing CD-ROM drive motor of designated length, protrude in the cut-off knife element from basket, drive the electronic cutter axle drive shaft that electronic cutter cuts off adhesive tape, and the electronic cutter driver train that constituted of the electronic cutter CD-ROM drive motor that drives this electronic cutter axle drive shaft lifting, the electronic cutter driver train that electronic cutter CD-ROM drive motor in axle drive shaft and the basket is constituted then has, has bent axle by the reduction gear apparatus driving, making the mode of axle drive shaft lifting in basket by this bent axle is general structure, by the axle drive shaft of this electronic cutter driver train lifting, the adhesive tape that can make between electronic cutter and the dead knife is cut off.

Be provided with dead knife, electronic cutter, movable fence, spring in the basket of described cut-off knife element, end portion's sheet, end plate, movable fence is set up on the basket that is installed on the cut-off knife element, spring is positioned at the both sides of cut-off knife element, ends portion's sheet and ends the bottom that plate is positioned at the cut-off knife element.

Described movable fence is by the synthetic resin manufacturing.

Described electronic cutter with end the plate integral structure, the plate that ends with electronic cutter one lifting, be provided with the projection of the left and right end portions of embedding and this jack, and the aperture of projection and the binding of this jack, by on this patchhole, embedding the projection that to end plate, make that above-mentioned both are integrated, with electronic cutter be that then this terminates in the claw of movable fence for the edge that ends that should end plate of one.

Described electronic cutter protrudes in the cut-off knife component side of basket, possesses the patchhole that inserts the electronic cutter axle drive shaft that cuts off adhesive tape is arranged.

Described movable fence is equipped with and terminates in lower member, and movable fence is set up on the basket that is installed on the cut-off knife element, and there is the post bolt its underpart and ends portion's sheet.

The square setting is equipped with the only portion's section that extends to below elasticity protrusion and stop at its leading portion setting and the only hook that ends portion's sheet from this guide channel under the central portion of described movable fence in the guide channel.

Set up electronic cutter driving switch in the described movable fence, pressure-sensitive micro-switch on the start projection that this electronic cutter driving switch is movable fence, when electronic cutter driving switch effective action, electronic cutter CD-ROM drive motor then is activated, electronic cutter axle drive shaft then moves to electronic cutter the upper position of cut-off knife element, not only cut off the adhesive tape that is sent in the designated length of sending mouth, and electronic cutter dropped on the original position, when electronic cutter playbacks, with electronic cutter be one should end plate should to end edge then be the claw that terminates in movable fence, and this movable fence is moved down, mouth is sent in unlatching, and by this above-mentioned locking mechanism, makes this movable fence be maintained at the position of unlatching, that is what should end portion's sheet is to end elastic force that hook utilizes spring the section portion of should ending of movable fence is stopped.

A kind of adhesive tape cutting apparatus comprises the filling drum of loading and unloading adhesive tape free to rotate and free, the electronic delivery section that the adhesive tape that is seated on the drum is sent, and cutting is sent the electronic cutter portion of the adhesive tape of part; This cutter portion has electronic movable sword and fixed blade simultaneously,

The flat frame of opening later is housed in the front of electronic delivery section;

Antetheca the first half of this flat frame is provided with the discharge opening of adhesive tape, and the rear panel that is equipped with spring plate system on the lower part of the back of this flat frame covers its lower part;

On the first half between this rear panel and flat frame antetheca, the bottom of horizontal position is equipped with:

The fixed blade that rocks back and forth of shape, its bottom is a blade, with aforementioned corresponding lower part on be equipped with: movable sword moving up and down, its top are blade, and the vertical component effect of fixed blade stops its sway with the guide rail that the back of movable sword overlapped and be arranged on the movable sword left and right sides;

The both sides of plate top project upwards and are provided with pressure arm in the back, rely on this pressure arm forward thrust and bight, flat frame upside both sides on the guiding of the outstanding backward suspension pin that is provided with, the top of fixed blade is in the state of being released forward all the time;

And offer horizontal rectangular guide hole by lower central place at movable sword, the centre of plate is offered vertical rectangular guide hole in the back, constitute cutter, this cutter is by cooperating of extension spring and pulling eye on above-mentioned filling department and cooperating of fastening pawl and fastening hole, it is chimeric freely to plug ground, and pilot pin is chimeric freely by slot on guide hole;

Realize cutting off function by the movable sword of the rising of pilot pin, top between the antetheca of rear panel and flat frame forms the space of the open underneath of growing crosswise simultaneously, be filled with the pad of the felt system that is adsorbed with lubricating oil that can not pull up in this space, the blade of movable sword is by overlapping with the rising of movable sword by pilot pin on this pad;

In addition, be attached with the good synthetic resin of viscosity not, the integument of rubber material on the top and lateral surface of the following portion of discharge opening, the outside face of this integument is provided with the concavo-convex of nicking shape, and the outside face that sticks portion's centre on the following portion lateral surface with discharge opening on the outside face is provided with bridge of the nose shape protrusion.

Beneficial effect

The utility model is beginning to send when cutting off the adhesive tape action at the electrically-driven tape cutter, and movable fence prevents that finger from inserting and sends mouthful simultaneously, during situation that this movable fence can not complete atresia be sent mouthful, sends and cuts off action and then ended.Provide thus can be simple and cheap the contingency that prevents electronic cutter within the possible range and caused.

Adhesive tape cutting apparatus spues and is attached with the integument of materials such as the good synthetic resin of viscosity not, rubber on the top and lateral surface of following portion of oral area, the outside face of this integument is provided with the concavo-convex of nicking shape, and the outside face with adhesion portion centre on the following portion lateral surface of discharge opening on the outside face is provided with bridge of the nose shape protrusion, can avoid the adhesion of adhesive tape.

Description of drawings

Fig. 1 is the safety device outward appearance transparent view of the utility model electrically-driven tape cutter;

Fig. 2 is the safety device part decomposition diagram of the utility model electrically-driven tape cutter;

The inboard front elevation of electronic cutter readiness for action in the safety device cut-off knife element of Fig. 3 the utility model electrically-driven tape cutter;

Fig. 4 is the side sectional view of Fig. 3;

Fig. 5 is a side front elevation within the electronic cutter readiness for action of the safety device of the utility model electrically-driven tape cutter;

Fig. 6 is the side sectional view of Fig. 5;

Fig. 7 is the front elevation of movable fence in the safety device cut-off knife element of the utility model electrically-driven tape cutter;

Fig. 8 is the only plate back view of adhesive tape cutting apparatus and installing thereof;

Fig. 9 is the local section block diagram of adhesive tape cutting apparatus front along oblique upper;

Figure 10 is the sectional stereogram of adhesive tape cutting apparatus back along oblique upper;

Figure 11 is the adhesive tape cutting apparatus partial cut away side views;

Figure 12 is an adhesive tape cutting apparatus local section front elevation;

Figure 13 is the appearance block diagram of adhesive tape cutting apparatus;

Figure 14 is the inboard in the same way block diagram of adhesive tape cutting apparatus;

Figure 15 is an adhesive tape cutting apparatus exploded perspective view in the same way.

The specific embodiment

Embodiment one

Among the figure of Fig. 1-8.: 1, adhesive-tape cutter main body; 2, basket; 3, revolution spool; 4, cut-off knife element; 5, send mouth; 6, dead knife; 7, electronic cutter; 8, send roller bearing; 9, slot; 10, electronic cutter axle drive shaft; 11, button; 15, movable fence; 16, spring; 17, basket; 18, post bolt; 20, end portion's sheet; 201, end hook; 202, pressing portion; 211, end section portion; 212, claw; 24, end plate; 241, end edge; 25, trigger switch; 26, action shaft; 27, make moving plate; 28, spring; 29, case lid; 30, electronic cutter driving switch; 31, fluorescence detector; T, adhesive tape.

Fig. 1, Fig. 2 are the safety device outward appearance transparent view and the part exploded drawingss of the utility model electrically-driven tape cutter.

The safety device of electrically-driven tape cutter comprises: adhesive-tape cutter main body 1, basket 2, revolution spool 3, cut-off knife element 4, send mouthfuls 5, send roller bearing 8, slot 9, button 11.Revolution spool 3 is positioned at main body 1 upper rear end.Cut-off knife element 4 and send mouthfuls 5 front ends that are positioned at main body 1.Cut-off knife element 4 by snap fit on adhesive-tape cutter main body 1.Send the top that roller bearing 8 is positioned at main body 1.Button 11 is positioned at a side on the top of main body 1.Slot 9 is by the side of cut-off knife element 4, and fluorescence detector 31 is positioned at cut-off knife element 4 tops.Be provided with dead knife 6, electronic cutter 7, movable fence 15, spring 16 in the basket 17 of cut-off knife element 4, end portion's sheet 20, end plate 24.

The work of electrically-driven tape cutter is as follows:

At adhesive tape T being sent from exporting 5, and by electronic cutter 7 with its electrically-driven tape cutter according to the length severing of defined, place the movable fence 15 that finger stretches in its arranged outside of sending the electronic cutter 7 of mouth 5, it is moved to closing direction by spring 16.The following time of state that movable fence 15 is terminated in out, according to the beginning signal that cuts off action, have that trigger switch 25 removes its restriction states end portion's sheet 20, and adhesive tape is cut off in the action of paying the starting switch 30 of establishing an electronic cutter.After the cut-out, when electronic cutter 7 playbacked, movable fence 15 was also replied on the position of opening fixing.

The electrically-driven tape cutter is being adorned adhesive tape T by the spool 3 that freely turns round of basket 2 settings of adhesive-tape cutter 1, after receiving actuation signal, make that sending roller bearing 8 rotates a certain amount of, and send the length that oral area is sent appointment automatically, and by being located at the above-mentioned adhesive tape that designated length is cut off in mouthfuls 5 dead knife 6 and the action of the electronic cutter 7 of its subtend of sending by the cut-off knife element 4 that is installed on the basket 2.Cut-off knife element 4 can freely be removed on basket 2 with slot 9 with the signal wire (SW) that is used to be connected in inductor described later.

So, on the above-mentioned basket 2 except the necessary accessory of above-mentioned function (for example, the front end of adorning the adhesive tape T in rotating shaft 3 is passed out to and sends roller bearing 8 from sending mouthfuls 5, roller bearing 8 is sent in driving makes adhesive tape can be sent to the roller bearing CD-ROM drive motor of designated length, protrude in cut-off knife element 4 from basket 2, drive the electronic cutter axle drive shaft 10 (Fig. 2) that electronic cutter 7 cuts off adhesive tape, and the electronic cutter driver train that constituted of the electronic cutter CD-ROM drive motor that drives these electronic cutter axle drive shaft 10 liftings) outside, also taken in the above-mentioned roller bearing CD-ROM drive motor of control, the peripheral machines such as driving control device of electronic cutter CD-ROM drive motor, and be equipped with by sending that length of tape that roller bearing 8 sends is set or the sending of the adhesive tape of designated length, function buttons 11 such as cut-out.

Fig. 3 is to shown in Figure 8, above-mentioned cut-off knife element 4 send mouthfuls 5 above be provided with said fixing cutter 6, dead knife 6 to be provided with downwards can lifting electronic cutter 7, the outside of this electronic cutter 7 is provided with to prevent to point to stretch into sends mouthfuls 5 movable fence 15, and keeps it to close by spring 16 sending mouthfuls 5 and can freely open.

Above-mentioned movable fence 15 is equipped with and terminates in its underpart parts, and limits the locking mechanism that it keeps the state of unlatching, and sets up on the basket 17 that is installed on cut-off knife element 4, makes it can the free rotating portion's sheet 20 that ends by post bolt 18.More specific description then is, above-mentioned movable fence 15 is by the synthetic resin manufacturing, as shown in Figure 7, the side is being provided with to be equipped with in the guide channel 152 from this guide channel 152 and is extending to below elasticity protrusion 151 under its central portion, and its leading portion be provided with above-mentioned end portion's sheet 20 end hook 201 (Fig. 4, Fig. 6) be stop ending portion's section 211.And the elasticity protrusion 151 of movable fence 15 bottoms above-mentioned is to end on the tossing about of section portion 211, install with electronic cutter 7 be that only edge 241 is the claws 212 that stop for the lower end of ending plate 24 of one.This edge that ends plate 24 serves as guiding and can fold up and down with the above-mentioned guide channel 152 of movable fence 15.

On the other hand, tack 18 what support is to end portion's sheet 20 to be provided with and to stop at beyond the above-mentioned only hook 201 that ends section portion 211 by above-mentioned, and be provided with and make above-mentioned claw 212 end the portion that giving as security 202 that edge 241 breaks away from of ending of plate from this, by spring 28 make should end hook 201 to this only section portion 211 depend on.This ends portion's sheet 20 and is driven by the trigger switch 25 that screw actuator etc. is constituted by being located at basket 17 inside, and a part of making moving plate 27 that is installed in action shaft 26 front ends of this trigger switch 25 then is positioned at the below that this ends the portion that giving as security 202 of portion's sheet 20.Therefore, when trigger switch 25 actions, after making that action shaft 26 rises, engaging part sheet 20 in Fig. 4 is an axle to tack 18, have the elastic force of spring 28 to turn round to anticlockwise direction, that should end portion's sheet 20 ends hook 201 when being somebody's turn to do of the above-mentioned movable fence 15 of disengaging ended section portion 21, owing to giving as security the bottom of portion's 20 extruding elastic protrusion part 151, make above-mentioned claw 212 break away from, and make movable fence 15 utilize the elastic force of spring 28 to move up from the edge 241 that should end that should end plate 24.In addition, above-mentioned trigger switch 25 is not limit the use screw actuator, can use engaging part sheet 20 to produce any machine of electric power sexual act.

Electronic cutter 7 protrudes in cut-off knife element 4 sides of basket 2, possesses the patchhole 71 (Fig. 8) that inserts the electronic cutter axle drive shaft 10 (Fig. 2) that cuts off adhesive tape T is arranged.In addition, the above-mentioned plate 24 that ends with electronic cutter 7 one liftings, as shown in Figure 8, be provided with the projection 242 of the left and right end portions of embedding and this jack 71, and the aperture 243 that links of projection 242 and this jack 71, by on this patchhole 71, embedding the projection 242 that should end plate 24, make that above-mentioned both are integrated, but be not limited to use above-mentioned method to make electronic cutter 7 and end plate 24 integral structures, can use the structure of any identical purpose.Above-mentioned electronic cutter 7 and end plate 24 can be between the basket 17 of cut-off knife element 4 and its case lid 29 free lifting, and pass and be located at the slotted hole 291 that connects this case lid 29 (Fig. 4), state axle drive shaft 10 on embed in above-mentioned patchhole 71 and the aperture 243 it is moved up and down, therefore make electronic cutter 7 can cut off adhesive tape.Slotted hole 291 in the above-mentioned case lid 29 is more bigger than the range of electronic cutter axle drive shaft 10.

The no graphic electronic cutter driver train that is made of electronic cutter CD-ROM drive motor etc. in above-mentioned axle drive shaft 10 and the basket 2 then has, and is driven the plectane with bent axle by reduction gear apparatus.Making the mode of axle drive shaft 10 lifting in basket 2 by this bent axle is general structure, also can use other any drive configurations.By the axle drive shaft 10 of this electronic cutter driver train lifting, the adhesive tape that can make between electronic cutter 7 and the dead knife 6 is cut off.Otherwise when it descends, should end ending 241 at edge this terminating in the claw 212 of movable fence 15 of plate 24 with electronic cutter 7 for one, and the section portion 211 of ending that makes this movable fence 15 terminates in the only hook 201 that this ends portion's sheet 20, makes this movable fence 15 be maintained at the position of unlatching.

Set up and its interlock in the movable fence 15, and the electronic cutter driving switch 30 (Fig. 5) that when its locking, moves.This electronic cutter driving switch 30 is to use the pressure sensitivity micro-switch on the start projection 153 that is arranged at movable fence 15, also can use the switch of other modes.The action that above-mentioned electronic cutter 7 cuts off adhesive tape T is controlled by electronic cutter driving switch 30.Dispose the fluorescence detector 31 that detecting has or not adhesive tape on the mouth 5 sending of adhesive tape, and link by above-mentioned slot 9 and basket 2 in-to-in driving control devices.In addition, in Fig. 2,33 above-mentionedly send the adhesive tape T that roller bearing 8 is sent by transmitting, and send the exit roller bearing after making it to peel off.

Possess the electrically-driven tape of above-mentioned structure cutter is arranged, as shown in Figures 3 and 4, under its readiness for action, cut adhesive tape T sends mouthfuls 5 when removed, by fluorescence detector 31 detecting (when having the mechanism of automatic operation) or, when the button of the indications of sending in cut-out such as adhesive tape was pressed, drive controlling mechanism then sent when cutting off the action beginning and seeks.According to this searching, send the adhesive tape (then omitting during cut-out) that roller bearing 8 begins to turn round and send certain-length, secondly the trigger switch 25 that is made of screw actuator etc. begins action, start plate 27 by the front end that is installed on action shaft 26 makes this end portion's sheet 20 anticlockwise direction revolution as shown in Figure 4, when only the 201 section portions 21 of should ending from movable fence 15 of hook of ending of portion's sheet 20 break away from, should end the bottom of the elastic protrusion part 151 of pressing 202 movable fence 15 of extruding of portion of portion's sheet 20, and make claw 212 break away from from ending ending on the edge 241 of plate 24.Therefore, removed the action that is ended the movable fence 15 of portion's sheet 20 restriction by this, this 15 on movable fence utilizes the locking that moves up of the elastic force of spring 16 to send mouthfuls 5, prevents that finger from inserting this and sending mouthfuls 5.

Owing to after mouth 5 is sent in movable fence 15 lockings, be arranged at 153 electronic cutter driving switch 30 of extruding of start projection of this movable fence 15, and it closed.The action that makes electronic cutter 7 begin to cut off, but when finger stretch into send mouthfuls 5 or sending mouthfuls 5 near adhered to the adhesive tape that is cut off etc., in the time of can not making these movable fence 15 complete atresia send the situation of mouth 5,30 akinesias of electronic cutter driving switch are not so also use electronic cutter 7 to cut off the action of adhesive tape T.Therefore, can prevent to point insertion and send mouthful 5 contingencies that cause.

When electronic cutter driving switch 30 effective actions, electronic cutter CD-ROM drive motor then is activated, 10 of electronic cutter axle drive shafts move to electronic cutter 7 as Fig. 5 and position (upper position of cut-off knife element 4) shown in Figure 6, not only cut off the adhesive tape T that is sent in the designated length of sending mouth 5, and electronic cutter 7 is dropped on the original position.When electronic cutter 7 playbacks, only 241 at the edge that ends plate 24 for being somebody's turn to do of one with electronic cutter 7 is the claw 212 that terminates in movable fence 15, and this movable fence 15 is moved down, and opens and sends mouth 5, and, make this movable fence 15 be maintained at the position of unlatching by this above-mentioned locking mechanism.That is, should end 20 of portion's sheet and be and end elastic force that hook 201 utilizes spring 28 the section portion 211 of should ending of movable fence 15 is stopped, and limit the state that it maintains unlatching, become state as shown in Figures 3 and 4, standby is to the signal generation of next cut-out action beginning.If when continuing automatically to send the situation of cutting off adhesive tape, adhesive tape is sent in this stage.

Therefore, when sending of adhesive tape T cut off the action beginning, prevent to point by movable fence 15 and insert when sending mouthfuls 5, when stretching into, finger sends mouthfuls 5 or this movable fence 15 when can not complete atresia sending the situation of mouth 5, send to cut off to move and then ended, can in the scope that can reach, prevent the contingency that electronic cutter causes by actv..

Embodiment two

Among Fig. 9-15. figure: 1. base, 2. before cant board, 3. left side vertical plate, 3 '. right side riser, the 4. middle end, 5. volume core, 6. the filling recess is 7. sent mouth, 8. groove, 9. front side conveying roller, 10. rear side conveying roller, 11,12. driven gear, 13. transmission gear, 14. conveying motors, 15. S. A.s, 16. Drive pinion, 17,18,19,20. intermediate gear, 21. stretching walls, 22. the longitudinal axis, 23. pushing intensity adjustments knobs, 24. transverse slats, 25. groove, 26. pressure rollers, 27. slotted holes, 28. center shaft, 29,29 '. curve, 30. pushing springs, 31. transverse bolts, 32. eminence portion, 33. lower portion, 35,35 '. grooving, 36. filling drums, 37. center shaft, 39,39 '. laminated spring, 40. rivets, 41,41 '. trochoid portion, 42,42 '. the trochoid bearing, 43,44. the dip plane, 46. enclose frame, 47. filling departments, the plate 48. fluctuate, 49. pivot shaft, 50. drag springs, 51. cams, 52. pilot pin, 53. slotted hole, 55. Crankpins, 56. major diameter horizontal gears, 57. adapter plate, 59. the cutting knife action is used motor, 60. S. A.s, 61. miniature gearss, 62,63,64,65. intermediate gear, 67. flat frame, 68. discharge openings, 69. rear panels, 70. blade, 71. fixed blade, 72. blades, 73. movable swords, 74. guide rail, 75. pressure arm, 76. horizontal rectangular guide holes, 77. vertical rectangular guide holes, 78. cutter, 79. extension spring, 80. pulling eyes, 81. fastening pawls, 82. fastening hole, 83. operation board, 81. wiring substrates, 85. millimeters units set button, 86. centimetre unit sets button, 87. the setting size counter, 88. set size carries instruction button, and 89. free sizes are carried button, 90. free size split key, 91. electric device, 92. power leads, 93. source switchs, 94. voltage transformer, 95. magnet, 96. swivel mounts, 97. sensors, 99. housing, 100. adapter plate, 101. guiding reinforced ribs, 102. annular knurls, 104. space, 105. pad, 106. lubricating oil filler ports, 108. integuments, 109. concavo-convex, 110. protrusions.

Adhesive tape cutting apparatus comprises the filling drum of the adhesive tape of free to rotate and free loading and unloading, the electronic delivery section that the adhesive tape that is seated on the drum is sent, and cutting is sent the electronic cutter portion of the adhesive tape of part; This cutter portion has electronic movable sword and fixed blade simultaneously, it is characterized in that: the flat frame of opening later 67 is housed in the front of electronic delivery section; Antetheca the first half of this flat frame 67 is provided with the discharge opening 68 of adhesive tape 5, and the rear panel 69 that is equipped with spring plate system on the lower part of the back of this flat frame 67 covers its lower part; On the first half between this rear panel 69 and flat frame 67 antethecas, the bottom of horizontal position is equipped with:

The fixed blade that rocks back and forth 71 of shape, its bottom is a blade 70, with aforementioned corresponding lower part on be equipped with: movable sword 73 moving up and down, its top is a blade 72, the vertical component effect 71 of fixed blade 71 ' overlaps with the back of movable sword 73, and be arranged on guide rail 74 its sway of prevention of movable sword 73 left and right sides; The both sides of plate 69 tops project upwards and are provided with pressure arm 75 in the back, rely on this pressure arm 75 forward thrust and bight, flat frame 67 upside both sides on the outstanding backward suspension pin 67 that is provided with ' guiding, the top of fixed blade 71 is in the state of being released forward all the time;

And offer horizontal rectangular guide hole 76 by lower central place at movable sword 71, the centre of plate 69 is offered rectangular longitudinally guide hole 77 in the back, constitute cutter 78, this cutter 78 is by cooperating of extension spring 79 on above-mentioned filling department 47 and pulling eye 80 and cooperating of fastening pawl 81 and fastening hole 82, it is chimeric freely to plug ground, and above-mentioned pilot pin 52 is chimeric freely by vertical rectangular guide hole 77 on horizontal rectangular guide hole 76; Realize cutting off function by the movable sword 73 of the rising of pilot pin 52, top between the antetheca of rear panel 69 and flat frame 67 forms the space 104 of the open underneath of growing crosswise simultaneously, be filled with the pad 105 of the felt system that is adsorbed with lubricating oil that can not pull up in this space 104, the blade 72 of movable sword 73 is by overlapping with the rising of movable sword 73 by pilot pin 52 on this pad 105;

In addition, spue and be attached with the integument 108 of materials such as the good synthetic resin of viscosity not, rubber on the top and lateral surface of following portion of oral area 68, the outside face of this integument 108 is provided with the concavo-convex 109 of nicking shape, and the outside face that sticks portion's centre on the following portion lateral surface with discharge opening on the outside face 68 is provided with bridge of the nose shape protrusion 110.

In the illustrated embodiment, front edge above the base 1, both sides with centre are respectively equipped with preceding cant board 2, left side vertical plate 3 and right side riser 3 ', this left and right sides riser 3,3 ' front edge be in rear side state of contact with preceding cant board 2, simultaneously, by at left and right sides riser 3,3 ' between establish the end 4 in the middle of the heavy formula in back, form the filling recess 6 of adhesive tape 5, what offer adhesive tape 5 on the antetheca of this filling recess 6 sends mouthfuls 7, this sends front side and the rear side conveying roller 9 that is equipped with the groove 8 of many ring grain shapes on mouthfuls 7 the rear periphery, 10, this rear side conveying roller 10 is configured in higher slightly position, front side and rear side conveying roller 9,10 embed mutually with the groove on it 8, can rotate freely ground supporting mutually.Front side and rear side conveying roller 9,10 center shaft runs through right side riser 3 ' to the outside of this cant board, respectively pass through out end and be fixed with driven gear 11,12, these two driven gears 11,12 with right side riser 3 ' on 13 engagements of the transmission gear that rotates freely that is supported, the downside at the end 4 is equipped with and carries with motor 14 in the middle of simultaneously above-mentioned, be fixed with Drive pinion 16 in the rotating shaft 15 of this conveying with motor 14, this Drive pinion 16 is by intermediate gear 17,18,19,20 are connected with aforementioned transmission gear 13, in addition, the outstanding stretching wall 21 that is provided with towards the rear on the upper limb of preceding cant board 2, the longitudinal axis 22 can rotate freely and be bearing in movably up and down on this stretching wall 21 with the state that connects up and down, its upper end is fixed with pushing intensity adjustments knob 23, equally, its lower end is fixed with the transverse slat 24 of two ends decurvation, simultaneously, be equipped with the groove 25 of many ring grain shapes on the top periphery of above-mentioned front side conveying roller 9, and embedded the pressure roller 26 of front side conveying roller 9, utilize left and right sides riser 3,3 ' on the slotted hole longitudinally 27 offered can be bearing in up or down on this groove 25, two of the center shaft 28 of this pressure roller 26 is by the bending two ends portion 29 of above-mentioned transverse slat 24,29 ' lower end pushing, and extend out to part volume between following and transverse slat 24 top of wall 21 on the longitudinal axis 22 and be provided with pushing with spring 30, in addition, this longitudinal axis 22 is penetrated with transverse bolt 31 above stretching wall 21, pushing on the axis hole edge of the both sides of this transverse bolt 31 by the longitudinal axis 12 top is with the application force crimping of spring 30, be provided with eminence portion and lower portion above this edge, in the eminence portion 32 during the both sides of crimping transverse bolt 31, the bending two ends portion 29 of transverse slat 24,29 ' depress pressure roller 26 with less state, under the kindred circumstances, lower portion 33 is to depress pressure roller 26 than multimode, simultaneously, above-mentioned left and right sides riser 3,3 ' the rear side corner on cut bevelled deep slotting 35,35 ', be wrapped in volume core 5 ' on the two ends head of center shaft 37 of filling drum 36 of adhesive tape 5, can rotate freely the ground embedding by the indentation that can extract at this grooving 35,35 ' on, and grooving 35,35 ' the outside on be furnished with rectangular left and right sides laminated spring 39,39 ', described left and right sides laminated spring 39,39 ' the bottom by left and right sides riser 3,3 ' on rivet 40 fixing, make this laminated spring 39,39 ' upper end and grooving 35,35 ' the bottom relative, simultaneously, this upper end is provided with trochoid bearing 42,42 ' and dip plane 43,44, described trochoid bearing 42, the two ends trochoid portion 41 that the center shaft 37 of filling drum 36 in 42 ' upward embeddings, 41 ', described dip plane 43,44 guide this trochoid bearing 42 when embedding and take out, 42 ' on trochoid portion 41,41 '; Further outstanding on every side being provided with of sending mouth 7 of adhesive tape 5 enclosed frame 46 on preceding cant board 2, form the filling department 47 of cutter 78, dispose the plate 48 that fluctuates on the rear side of this filling department 47, its cardinal extremity is by 49 supportings of the pivot shaft on the preceding cant board 2, its front end fastening, to pressing down drag spring 50, the lower side of the front end head of this plate 48 that fluctuates is provided with cam 51 simultaneously, same its upper side edge portion is provided with pilot pin 52 forward, the front end of this pilot pin 52 by in the above-mentioned filling department 47 longitudinally slotted hole 53 pass through out, in addition, be provided with the major diameter horizontal gear 56 of Crankpin 55 on every side, utilize adapter plate 57 axle to be fixed on the bottom rear side of preceding cant board 2, cutting knife action motor 59 is housed on the adapter plate 57 simultaneously, be fixed with miniature gears 61 on the S. A. 60 of this cutting knife action with motor 59, this miniature gears 61 passes through intermediate gear 62 with above-mentioned major diameter horizontal gear 56,63,64,65 connect, by the rotation of cutting knife action with motor 59, Crankpin 55 and cam 51 cooperate pilot pin 52 up-and-down movements, in addition, back chimeric in above-mentioned filling department 47 constitutes open flat frame, antetheca the first half of this flat frame 67 is provided with the discharge opening 68 of adhesive tape 5, simultaneously, be attached with the not good synthetic resin of viscosity on the top and lateral surface of the following portion of discharge opening 68, the integument 108 of materials such as rubber, the outside face of this integument 108 is provided with concavo-convex 109 of nicking shape, and the outside face with adhesion portion centre on the following portion lateral surface of discharge opening on the outside face 68 is provided with bridge of the nose shape protrusion 110, and, cover the lower part of flat frame 67 back, on the first half between this rear panel 69 and flat frame 67 antethecas, the bottom of horizontal position, be equipped with:

The fixed blade that rocks back and forth 71 of shape, its bottom is a blade 70, with aforementioned corresponding lower part on, be equipped with: movable sword 73 moving up and down, its top is a blade 72, the vertical component effect 71 of fixed blade 71 ' overlaps and be arranged on guide rail 74 its sway of prevention of movable sword 73 left and right sides with the back of movable sword 73; The both sides of plate 69 tops project upwards and are provided with pressure arm 75 in the back, rely on this pressure arm 75 forward thrust and bight, flat frame 67 upside both sides on the outstanding backward suspension pin 67 that is provided with ' guiding, the top of fixed blade 71 always is in the state of being released forward; And offer the guide hole 76 of growing crosswise by lower central place at movable sword 71, the centre of plate 69 is offered oblong aperture 77 longitudinally in the back, constitute cutter 78, this cutter 78 is by cooperating of extension spring 79 on above-mentioned filling department 47 and pulling eye 80 and cooperating of fastening pawl 81 and fastening hole 82, it is chimeric freely to plug ground, and above-mentioned pilot pin 52 is chimeric freely by slot 77 on guide hole 76; Realize cutting off function by the movable sword 73 of the rising of pilot pin 52, top between the antetheca of rear panel 69 and flat frame 67 forms the space 104 of the open underneath of growing crosswise simultaneously, be filled with the pad 105 of the felt system that is adsorbed with lubricating oil that can not pull up in this space 104, the blade 72 of movable sword 73 is by overlapping with the rising of movable sword 73 by pilot pin 52 on this pad 105.

And, right side riser 3 ' the outside be respectively equipped with operation board 83 and wiring substrate 84, this operation board 83 is provided with millimeter unit and sets button 85, centimetre unit sets button 86, set size display counter 87, set size and carry instruction button 88, free size is carried button 8, free size split key 90, wiring substrate 84 is provided with resistor, cond, electric device 91... such as semiconductor element, be respectively equipped with power lead 91 and source switch 93 in the back of above-mentioned base 1, the downside at the middle end 4 is provided with voltage transformer 94, be fixed with swivel mount 96 on the S. A. 15 of above-mentioned conveying with motor 14, be fixed with small magnet 95 on the point of its circumference, the position relative with swivel mount 96 is equipped with sensor 97 on the wiring substrate 84 in addition, press to set when size carries instruction button 88 to apply operation and begin to carry, from the outset, to magnet 95 number of times by sensor 97 with set size counter 87 on set demonstration numerical value consistent till, stop to carry, realize cutting off function by the cutting knife action with the movable sword 73 of the action of motor 59 simultaneously, and press in the process that free size carries button 89 to operate and carry and to continue, further, be provided with circuit, press free size and carry button 89 to apply when operating, movable sword realizes cutting off function (not shown).

(operating process)

In the above-mentioned embodiment, operation millimeter unit sets button 85 and centimetre unit sets button 86, after setting the numerical value that occurs expectation on the size display counter 87, the operating and setting size is carried instruction button 88, carry with motor 14 and begin rotation, count the number of pass times of the magnet 95 of swivel mounts 96 with rotation sensor 97, simultaneously, this conveying makes Drive pinion 16 with motor 14, intermediate gear 17,18,19,20, transmission gear 13, driven gear 11,12 and both sides, front and back conveying roller 9,10 rotations, beginning transferring adhesive tape 5, this conveying lasts till that always the count value of foregoing circuit is consistent with the demonstration numerical value of setting size display counter 87, carry and stop with motor 14, above-mentioned action one stops, this circuit indication cutting knife action is rotated with motor 59, miniature gears 61, intermediate gear 62,63,64,65 and major diameter horizontal gear 56 rotation, then Crankpin 55 overlaps camshafts 51, the plate 48 that fluctuates is shaken upward, shaking pilot pin 52 by the top rises movable sword 73, cut off adhesive tape 5 with fixed blade, simultaneously, Crankpin 55 makes camshaft 51 and drag spring 50 interlocks, the plate 48 that fluctuates is shaken downwards, shake by this below, pilot pin 52 makes movable sword 73 get back to lowering position, circuit stops cutting knife action motor 59 simultaneously, is cut off with the adhesive tape sheet of setting the cooresponding length of numerical value that shows on the size display counter 87.

In addition, the operation free size is carried button 89, make and carry with motor 14, Drive pinion 16, intermediate gear 17,18,19,20, transmission gear 13, driven gear 11,13 and both sides, front and back conveying roller 9,10 rotations, after continuing to have carried the adhesive tape 5 of any desired length, the operation of button 89 is carried in releasing to free size, the conveying of this adhesive tape 5 stops, simultaneously, operation free size split key 90, cutting knife action is up and down reciprocatingly stopped after once with the movable sword 73 of motor 59 drives, by above-mentioned conveying ongoing operation, can carry out the cut-out of random length adhesive tape.

Claims (10)

1, a kind of safety device of electrically-driven tape cutter, comprise adhesive-tape cutter main body (1), basket (2), revolution spool (3), cut-off knife element (4), send mouthful (5), send roller bearing (8), slot (9), button (11), fluorescence detector (31), it is characterized in that, revolution spool (3) is positioned at main body (1) upper rear end, cut-off knife element (4) and send the front end that mouthful (5) are positioned at main body (1), cut-off knife element (4) by snap fit on adhesive-tape cutter main body (1), send the top that roller bearing (8) is positioned at main body (1), be provided with said fixing cutter (6) in the top of sending mouthful (5), dead knife (6) to be provided with downwards can lifting electronic cutter (7), the outside of this electronic cutter (7) is provided with and prevents that finger from stretching into the movable fence (15) of sending mouthful (5), and keeps it to close by spring (16) sending mouthful (5) and can freely open.

2, the safety device of electrically-driven tape cutter according to claim 1, it is characterized in that, described slot (9) is by the side of cut-off knife element (4), fluorescence detector (31) is positioned at the bottom of sending mouthful (5), button (11) is positioned at a side on the top of main body (1), the spool (3) that freely turns round that the basket (2) of adhesive-tape cutter main body (1) is provided with is being adorned adhesive tape T, after receiving actuation signal, make that sending roller bearing (8) rotates a certain amount of, and send the length that oral area is sent appointment automatically, and by being located at the adhesive tape that designated length is cut off in the above-mentioned dead knife (6) of sending mouthful (5) and the action of the electronic cutter (7) of its subtend by the cut-off knife element (4) that is installed on the basket (2).

3, the safety device of electrically-driven tape cutter according to claim 1, it is characterized in that, the front end of the adhesive tape T that is adorning in the described rotating shaft (3) passes out to and sends roller bearing (8) from sending mouthful (5), roller bearing (8) is sent in driving makes adhesive tape can be sent to the roller bearing CD-ROM drive motor of designated length, protrude in cut-off knife element (4) from basket (2), drive the electronic cutter axle drive shaft (10) that electronic cutter (7) cuts off adhesive tape, and the electronic cutter driver train that constituted of the electronic cutter CD-ROM drive motor that drives this electronic cutter axle drive shaft (10) lifting, the electronic cutter driver train that electronic cutter CD-ROM drive motor in axle drive shaft (10) and the basket (2) is constituted then has, drive plectane with bent axle by reduction gear apparatus, making the mode of axle drive shaft (10) lifting in basket (2) by this bent axle is general structure, by the axle drive shaft (10) of this electronic cutter driver train lifting, the adhesive tape that can make between electronic cutter (7) and the dead knife (6) is cut off.

4, the safety device of electrically-driven tape cutter according to claim 1, it is characterized in that, be provided with dead knife (6), electronic cutter (7), movable fence (15), spring (16) in the basket (17) of described cut-off knife element (4), end portion's sheet (20), end plate (24), movable fence (15) is set up on the basket (17) that is installed on cut-off knife element (4), spring (16) is positioned at the both sides of cut-off knife element (4), ends portion's sheet (20) and ends the bottom that plate (24) is positioned at cut-off knife element (4).

According to the safety device of claim 1 or 4 described electrically-driven tape cutters, it is characterized in that 5, described movable fence (15) is by the synthetic resin manufacturing.

6, safety device according to claim 1 or 3 or 4 described electrically-driven tape cutters, it is characterized in that, described electronic cutter (7) protrudes in cut-off knife element (4) one sides of basket (2), possess the patchhole (71) that inserts the electronic cutter axle drive shaft (10) that cuts off adhesive tape T is arranged, electronic cutter (7) with end plate (24) integral structure, only plate (24) with electronic cutter (7) one liftings, be provided with the projection (242) of the left and right end portions of embedding and this jack (71), and the aperture (243) of projection (242) and this jack (71) binding, embed the projection (242) that to end plate (24) by going up at this patchhole (71), make that above-mentioned both are integrated, then this terminates in the claw (212) of movable fence (15) for the edge (241) that ends that should end plate (24) of one with electronic cutter (7).

7, according to the safety device of claim 1 or 4 described electrically-driven tape cutters, it is characterized in that, described movable fence (15) is equipped with and terminates in lower member, and movable fence (15) is set up on the basket (17) that is installed on cut-off knife element (4), and there is post bolt (18) its underpart and ends portion's sheet (20).

8, according to the safety device of claim 1 or 4 described electrically-driven tape cutters, it is characterized in that, the side is being provided with to be equipped with in the guide channel (152) from this guide channel (152) and is extending to below elasticity protrusion (151) under the central portion of described movable fence (15), and its leading portion be provided with end portion's sheet (20) end that hook (201) stops ending portion's section (211).

9, safety device according to claim 1 or 4 described electrically-driven tape cutters, it is characterized in that, set up electronic cutter driving switch (30) in the described movable fence (15), pressure-sensitive micro-switch on the start projection (153) that this electronic cutter driving switch (30) is a movable fence (15), when electronic cutter driving switch (30) effective action, electronic cutter CD-ROM drive motor then is activated, electronic cutter axle drive shaft (10) then moves to electronic cutter (7) upper position of cut-off knife element (4), not only cut off the adhesive tape T that is sent in the designated length of sending mouthful (5), and electronic cutter (7) dropped on the original position, when electronic cutter (7) playbacks, the only edge (241) that ends plate (24) for being somebody's turn to do of one with electronic cutter (7) then is the claw (212) that terminates in movable fence (15), and this movable fence (15) is moved down, mouthful (5) are sent in unlatching, and by this above-mentioned locking mechanism, make this movable fence (15) be maintained at the position of unlatching, that is (20) that should end portion's sheet are to end elastic force that hook (201) utilizes spring (28) the section portion (211) of should ending of movable fence (15) is stopped.

10, a kind of adhesive tape cutting apparatus comprises the filling drum of loading and unloading adhesive tape free to rotate and free, the electronic delivery section that the adhesive tape that is seated on the drum is sent, and cutting is sent the electronic cutter portion of the adhesive tape of part; This cutter portion has electronic movable sword and fixed blade simultaneously, it is characterized in that:

The flat frame of opening later (67) is housed in the front of electronic delivery section;

Antetheca the first half of this flat frame (67) is provided with the discharge opening (68) of adhesive tape (5), and the rear panel (69) that is equipped with spring plate system on the back lower part of this flat frame (67) covers its lower part;

On the first half between this rear panel (69) and flat frame (67) antetheca, the bottom of horizontal position is equipped with:

The fixed blade that rocks back and forth (71) of shape, its bottom is blade (70), with aforementioned corresponding lower part on be equipped with: movable sword moving up and down (73), its top is blade (72), and the vertical component effect (71 ') of fixed blade (71) stops its sway with the guide rail (74) that the back of movable sword (73) overlapped and be arranged on movable sword (73) left and right sides;

The both sides of plate (69) top project upwards and are provided with pressure arm (75) in the back, rely on this pressure arm (75) forward thrust and bight, flat frame (67) upside both sides on the guiding of the outstanding backward suspension pin (67 ') that is provided with, the top of fixed blade (71) is in the state of being released forward all the time;

And offer horizontal rectangular guide hole (76) by lower central place at movable sword (71), the centre of plate (69) is offered vertical rectangular guide hole (77) in the back, constitute cutter (78), this cutter (78) is by going up cooperating of extension spring (79) and pulling eye (80) and cooperating of fastening pawl (81) and fastening hole (82) at above-mentioned filling department (47), it is chimeric freely to plug ground, and pilot pin (52) is gone up chimeric freely by slot (77) at guide hole (76);

Realize cutting off function by the movable sword of rising (73) of pilot pin (52), top between the antetheca of rear panel (69) and flat frame (67) forms the space (104) of the open underneath of growing crosswise simultaneously, be filled with the pad (105) of the felt system that is adsorbed with lubricating oil that can not pull up in this space (104), the blade (72) of going up movable sword (73) at this pad (105) is by overlapping with the rising of movable sword (73) by pilot pin (52);

In addition, be attached with the good synthetic resin of viscosity not, the integument (108) of rubber material on the top and lateral surface of the following portion of discharge opening (68), the outside face of this integument (108) is provided with concavo-convex (109) of nicking shape, and the outside face that sticks portion's centre on the following portion lateral surface with discharge opening on the outside face (68) is provided with bridge of the nose shape protrusion (110).

Images