CN2776637Y - Paper pressing driving mechanism of electric paper cutting machine - Google Patents

Abstract

The utility model relates to a paper pressing driving mechanism of electric paper cutting machine, in particular to a clerical staff machine structure for electric paper cutting. The utility model makes use of a driver of a motor to actuate a linkage having an eccentric pivot, and then interlocks a pressing plate to clamp the paper by the actuation of a clamper, wherein the driver is firmly sheathed and butted with a harness, a spring and a shim on the pivoted arm; a first interlock base is used to match with the excursion and the actuating of a trunnion, and then the pivoted arm can act a further excursion and actuating to a second interlock base, and the clamper can form a warping actuating, making the pressing plate to create a greater clamping force. In addition, sensing components having different stroke inductions are arranged in the actuating stroke of the linkage to serve as the effect of double make and break, protecting the service life of the motor and ensuring the stability and the smoothness of the paper pressing driving mechanism.

Description

The platen transmission mechanism of electronic trimmer

Technical field

The utility model relates to a kind of electronic trimmer, relates in particular to the platen transmission mechanism of this machine.

Background technology

Existing trimmer is according to cutting transmission mechanism and cutting the different of number of paper, and has various ways, for cutting a large amount of paper, it normally is equiped with location, platen respectively and relevant cutting structure such as cuts on a workbench, make paper via the platen transmission mechanism, and guaranteed to cut neat and smooth-going.

Please cooperate and consult existing manual platen transmission mechanism shown in Figure 4, it mainly is to have a groups of holders 60 that can be fixedly arranged on board, groups of holders 60 centers are pivoted with a fixed pawl 61, and its top can be linked by a detent roller 62 rotation stoppers, groups of holders 60 2 sides are pivoted with an operating bar 63 respectively in addition, two operating bars, 63 opposing end surfaces are pivoted with the grinding tooth piece 64 of tool interlock, and grinding tooth piece 64 is meshed with fixed pawl 61, operating bar 63 end in addition then is pivoted with a push rod 65 respectively mutually, push rod 65 end in addition is pivoted with a pressing plate 66 respectively mutually, and relatively slide guide in holder 67, to form a platen transmission mechanism; Change the detent roller 62 of platen transmission mechanism by pulling, and then interlock fixed pawl 61 rotations, make and the grinding tooth piece 64 of engagement form lever action synchronously together with operating bar 63, and then interlock two push rods 65, make pressing plate 66 produce displacement start up and down, and be able to the effect that conduct compresses to the paper on the board, the start (figure does not show) by cutting cutter hub again, and obtain the firm smooth-going purpose that cuts of paper according to this.

In addition, as Fig. 5, shown in Figure 6, platen transmission mechanism for existing electronic trimmer, the platen transmission mechanism mainly is to establish in the top of platen fixed pawl 70 to have an arbor wheel 71, is arranged with a belt body 72 on the arbor wheel 71 with sheathed with the rotating shaft 74 of a CD-ROM drive motor 73, makes CD-ROM drive motor 73 rotation starts, axostylus axostyle 75 via interlock rotates to drive fixed pawl 70, and then interlock driver plate 76, make 77 starts of stopper pressing plate to compress paper 78, obtain the effect of an electronic platen transmission mechanism according to this.

But, the operation of the platen transmission mechanism of existing manual trimmer is very inconvenient, and when cutting in a large number as if desire, because paper pressing itself for pressing plate, be to have a reaction force, so when the rotation detent roller makes the pressing plate start via driver plate, need expend effort and time-consuming pressing, when if pressing plate presses really, easily form paper and break away from and press and cause and cut bad; And the platen transmission mechanism of existing electronic trimmer, be to see through the CD-ROM drive motor rotation, and with belt body stopper fixed pawl, and then be able to pressing plate decline is pressed paper, because pressing plate presses to after paper presses, the torsion of its motor is owing to can't learn, normally set by the time, with as the foundation that stops the CD-ROM drive motor start, still be rotated further yet arrive the front wheel driving motor in the time, owing to cut the reaction force that the number of paper number can cause different sizes, and then cause the load of CD-ROM drive motor, also the service life of remote-effects CD-ROM drive motor, therefore the necessity that is improved arranged.

Summary of the invention

The utility model provides a kind of platen transmission mechanism of electronic trimmer, is intended to solve above-mentioned defective.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

The utility model comprises:

One board holder is to establish wherein for each member group, and its two side is installed with support and support plate thereof, and is slidingly equipped with a plate body between support and support plate, and the bottom is formed with the pressing plate of compression part;

One drive unit is to be mounted on board holder inside, and it has a motor and drives a travelling gear via the power gear engagement, and is pivoted with the drive link of an off-centre thereon, to form the driving of a power;

One linkage, it has two groups of first and second continous action bases that are triangular shape and tool three centring point sheet body structures, it is to be fixed in appropriate location in the board holder with a centring point pivot respectively, one centring point of first continous action base is to articulate with drive link, another centring point is that socket is pivoted with a pertusate pivot seat again, and be pivoted with a pivot sheet in its pin fixed part of second continous action base, in addition, one hinged arm is to wear a fixed cover, one spring, one pad, and be extended through in the perforation of pivot seat, and utilize an adjustment bolt bolt to be fixed on the terminal threaded shank of hinged arm, and hinged arm end and articulate with second continous action base in addition, wherein, tune the torsion that pressed by spring by what it adjusted bolt;

One group of sensing component is the appropriate location that is mounted on board holder and pivot seat respectively, and its start point is controlled by the cover edge of fixed cover and the start of the second continous action base seat rim, with the sensing foundation that whether opens and closes as motor;

One pressure part, be to be mounted between support plate and pressing plate, its have one with the pivot sheet connect the guide bracket of establishing, pedestal two sides are formed with the tooth row structure, by by a limiting plate embedding cunning on support plate, make guide bracket can rely on the locating slip kenel of the related work of hinged arm stopper pivot sheet about in the of one, again in the support plate two sides operating bar that is pivoted respectively, make the one end be and the tooth row interlock that is meshing with each other, and end is to be articulated with a push rod in addition, and the push rod pivot is fixed on the pressing plate, but make the stopper of its pressure part and the steady displacement start of interlock pressing plate.

Prior art is compared, the beneficial effects of the utility model are: mainly be to utilize the drive unit of motor with the eccentric linkage that pivots of start tool, start by pressure part again, press paper with the interlock pressing plate, wherein, transmission device is that the solid butt of cover is established a fixed cover, a spring and a pad on hinged arm, cooperate the skew start of pivot seat by first continous action base, can make hinged arm that second continous action base further is offset start, make pressure part be formed a warpage start, and then make pressing plate produce the bigger power that presses paper; In addition in the actuating travel of linkage, establish sensing component,, protect motor service life according to this and guarantee the steady and smooth of platen transmission mechanism with effect as dual keying motor with different strokes inductions.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model platen transmission mechanism.

Fig. 2 is the combined planar side view of the utility model platen transmission mechanism.

Fig. 3 A, B are the illustrative view that presses of the utility model platen transmission mechanism.

Fig. 4 is the three-dimensional combination figure of existing manual trimmer platen transmission mechanism.

Fig. 5 is that the combined planar schematic side view is cutd open by the office of existing electronic trimmer platen transmission mechanism.

Fig. 6 is that three-dimensional combination schematic diagram cuts open in the office of existing electronic trimmer platen transmission mechanism.

The specific embodiment

Seeing also Fig. 1, shown in Figure 2, is that the solid of the platen transmission mechanism of the electronic trimmer of the utility model is decomposed and the combination schematic side view, and it includes:

One board holder 10, be to establish wherein for each member group, its two side is installed with support 11 and support plate 12 thereof, and is slidingly equipped with plate body both sides each projection embedding edge 131 and pivot hole 132 between support 11 and support plate 12 formed tanks, and the bottom is formed with the pressing plate 13 of zigzag compression part 133;

One drive unit 20 is to be mounted on board holder 10 inside, and it has a motor 21 and drives a travelling gear 23 via power gear 22 engagements, and is pivoted with the drive link 24 of an off-centre thereon, to form the driving of a power;

One linkage 30, it has two groups of first continous action base 31 and second continous action bases 32 of being triangular shape and tool three centring point sheet body structures, wherein, continous action base is the appropriate location that is fixed in board holder 10 supports 11 with a centring point pivot, and be a fulcrum " a " with pin fixed part, the centring point of first continous action base 31 is to articulate with drive link 24, make its pin fixed part form the centring point that to swing " b ", another centring point is the pivot seat 33 that socket is pivoted with tool perforation 331, make its pin fixed part form the centring point that to swing " c ", and be pivoted with a pivot sheet 34 in second continous action base, 32 pin fixed parts, make two continous action base tools can be offset the kenel of start; In addition, one hinged arm 35 is to wear a U-shaped fixed cover 36, a spring 37, a pad 38, and be extended through in the perforation 331 of pivot seat 33, and utilize an adjustment bolt 39 bolts to be fixed on the hinged arm 35 terminal threaded shank 351, wherein, fixed cover 36 is to be installed with spring 37, and the solid butt of cover is located at class ring edge 352 places in hinged arm 35 stage casings, tune the torsion that pressed by spring 37 when adjusting drive unit 20 starts according to this by what it adjusted bolt 39;

One sensing component 40, it is the appropriate location that is mounted on board holder 10 and pivot seat 33 respectively, its start point 41 is controlled by the cover edge 361 of fixed cover 36 and the start of second continous action base, 32 seat rims 321, sensing component 40 can be general limit switch or proximity sense, with the sensing foundation that whether opens and closes as motor 21;

One pressure part 50, be to be mounted on 13 of support plate 12 and pressing plates, its have one with pivot sheet 34 connect the guide bracket of establishing 51, pedestal two sides are formed with tooth row 511 structures, by a limiting plate 52 embedding cunnings on support plate 12, make guide bracket 51 can rely on the locating slip kenel of hinged arm 35 stopper pivot sheets, 34 related works about in the of one, again on the appearance hole 121 of support plate 12, be articulated by the operating bar 54 of a stud shaft 53 with tool pivot hole 541, make the one end be and tooth row 511 interlock that is meshing with each other, and in addition end is to be articulated with a push rod 55, and with a hinged arm 56 push rod 55 pivots is fixed in the perforation 132 of pressing plate 13, but makes the stopper of its pressure part 50 and the 13 steady displacement starts of interlock pressing plate.

By further understanding the effect that the utility model structural feature, application technology means and institute's expection are reached, now the utility model occupation mode is narrated, believing be able to have more deep and concrete understanding to the utility model therefrom, as described below:

See also shown in Fig. 3 A, during the operation of the utility model platen transmission mechanism, be that the paper " P " that will desire to cut is inserted board according to size and cut the place, starter 21 orders about travelling gear 23 via power gear 22 and rotates synchronously, and also produce the rotation beat with drive link 24 that travelling gear 23 off-centre are pivoted, and then promote and first continous action base 31 of pivot knot, and the pin fixed part with first continous action base 31 is fulcrum " a ", force first continous action base 31 towards a directed centring point " c " skew start, drive directed centring point " b " the displacement promotion of pivot seat 33 and hinged arm 34 simultaneously towards second continous action base 32, second continous action base 32 is to be fulcrum " a " with its pin fixed part, make second continous action base 32 towards a directed centring point " c " skew start, drive pivot sheet 34 and guide bracket 51 simultaneously to top offset, at this moment, two operating bars 54 are to be subjected to the engagement of guide bracket 51 2 side tooth rows 511 respectively and the swing start of upwards making a lever, the push rod 55 that two operating bars 54 are held in addition gets and pushes against pressing plate 13 downwards, and then the compression part 133 that makes pressing plate 13 compresses paper " P " downwards, cuts actor in order to cutter hub; Otherwise, when paper " P " cut finish after, then oppositely stopper drive unit 20 motors 21 starts, make power gear 22, travelling gear 23 and drive link 24 reverse rotation beats, first continous action base 31 also oppositely is offset start, stopper hinged arm 35 reverse displacements according to this simultaneously, synchronously related second continous action base 32 and the pivot sheet 34 of making also produces oppositely skew start, make the guide bracket 51 that is connected with to bottom offset, drive two operating bars 54 simultaneously, push rod 55 is upwards recessed pressing plate 13 according to this be promoted to initial position; Form by above-mentioned member, form the platen transmission mechanism of a circulation start, provide pressing plate 13 1 to have more the function that the power of pressing and steady and smooth press paper.

What deserves to be mentioned is, linkage 30 of the present utility model is after the skew start, when pressing plate 13 is pressed against paper " P " location, motor 21 is to continue slow start rotation, and give the spin of first continous action base 31 1 skew starts, impose one by pivot seat 33 to the spring 37 that is positioned hinged arm 35 fixed covers 36 simultaneously and push away the power of pulling, to overcome the reaction of paper " P ", make hinged arm 35 be continued to advance to second continous action base 32 a little, be offset the start phenomenon and produce one, and then force pressure part 50 starts, and make 13 pairs of paper of pressing plate " P " obtain the bigger power that presses because of being subjected to pressing of spring 37, until the sensing component 40 with pivot seat 33 interlocks, the start point 41 of its induction touches cover edge 361 places in fixed cover 36, feedback to electric-control system by sensor signal, make motor 21 start (shown in Fig. 3 B) of stopping the rotation; In addition; in cut finish after; motor 21 reverse rotations; its drive unit 20, linkage 30 and pressure part 50 all are reverse start, make pressing plate 13 return back to initial position, and the start of touching sensing component 40 on holder 10 when the seat rim 321 of second retainer, 32 sides is when putting 41; also identical transmission sensor signal is to electric-control system; and make motor 21 start of stopping the rotation, and restart the effect of closing motor 21 to form a pair of, protect motor service life according to this and guarantee the steady and smooth of platen action.

At last, characteristics of the present utility model and the arrangement of attainable effect are as follows:

1. the kind of drive of the utility model platen transmission mechanism is to utilize motor as drive unit, make power gear drive drive link and stopper linkage, make linkage do a displacement start of rising or descending by related driving pressing plate, according to making pressing plate can reach the power that presses of big platen, torsion is not enough to produce the phenomenon that gets loose to paper because of pressing in the time of can avoiding cutter hub to cut, and obtains the effect that a steady and smooth presses paper according to this.

2. between the holder body of linkage of the present utility model and board is to be provided with sensing component, therefore, when pressing plate presses paper torsion or return back to the location, can pass through the sensing component sensing, and message is passed to drive unit, in order to do making the motor start of stopping the rotation, the service life of guaranteeing motor according to this.

The above only is of the present utility model one preferable possible embodiments, so the equivalent structure that all application the utility model specifications and claim are done changes, ought to be included in the claim scope of the present utility model.

Claims (3)

1, a kind of platen transmission mechanism of electronic trimmer is characterized in that comprising:

One board holder is established wherein for each member group, and its two side is installed with support and support plate thereof, and is slidingly equipped with a plate body between support and support plate, and the bottom is formed with the pressing plate of compression part;

One drive unit is to be mounted on board holder inside, and it has a motor and drives a travelling gear via the power gear engagement, and is pivoted with the drive link of an off-centre thereon, to form the driving of a power;

One linkage, it has two groups of first and second continous action bases that are triangular shape and tool three centring point sheet body structures, it is to be fixed in appropriate location in the board holder with a centring point pivot respectively, one centring point of first continous action base is to articulate with drive link, another centring point is that socket is pivoted with a pertusate pivot seat again, and be pivoted with a pivot sheet in its pin fixed part of second continous action base, in addition, one hinged arm is to wear a fixed cover, one spring, one pad, and be extended through in the perforation of pivot seat, and utilize one to adjust the bolt bolt and be fixed on the terminal threaded shank of hinged arm, and hinged arm end and articulate with second continous action base in addition;

One group of sensing component is the appropriate location that is mounted on board holder and pivot seat respectively, and its start point is controlled by the cover edge of fixed cover and the start of the second continous action base seat rim, with the sensing foundation that whether opens and closes as motor;

One pressure part, be to be mounted between support plate and pressing plate, its have one with the pivot sheet connect the guide bracket of establishing, pedestal two sides are formed with the tooth row structure, by a limiting plate embedding cunning on support plate, make guide bracket can rely on the locating slip kenel of the related work of hinged arm stopper pivot sheet about in the of one, again in the support plate two sides operating bar that is pivoted respectively, make the one end be and the tooth row interlock that is meshing with each other, and end is to be articulated with a push rod in addition, and the push rod pivot is fixed on the pressing plate, but make the stopper of its pressure part and the steady displacement start of interlock pressing plate.

2, the platen transmission mechanism of electronic trimmer according to claim 1 is characterized in that:, fixed cover is to overlap the class ring edge place that is connected to the hinged arm stage casing admittedly, tunes the torsion that pressed by spring by what it adjusted bolt.

3, the platen transmission mechanism of electronic trimmer according to claim 1 is characterized in that: but sensing component is to can be the sensor that general limit switch or proximity sense or other sensing different conditions change.

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