CN105082782B - Slide printing equipment and method - Google Patents
Slide printing equipment and method Download PDFInfo
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- CN105082782B CN105082782B CN201410174556.2A CN201410174556A CN105082782B CN 105082782 B CN105082782 B CN 105082782B CN 201410174556 A CN201410174556 A CN 201410174556A CN 105082782 B CN105082782 B CN 105082782B
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- carbon ribbon
- printhead
- slide
- wheel
- fixation kit
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Abstract
The invention discloses a kind of slide printing equipment and method, including carbon ribbon feed mechanism, slide horizontal drive mechanism, printhead fixation kit, printhead horizontal drive mechanism, Mobile base and printhead vertical driving mechanism, the printhead fixation kit has printhead, the printhead horizontal drive mechanism is connected with the Mobile base and the Mobile base can be driven to move horizontally, the printhead fixation kit is rotatablely installed in the Mobile base, the printhead vertical driving mechanism is installed on the Mobile base and the printhead fixation kit can be driven to rotate, during printing, the slide horizontal drive mechanism and carbon ribbon feed mechanism are static, the printhead horizontal drive mechanism drives the printhead to move horizontally.During printing, carbon ribbon and slide keep geo-stationary, effectively avoid the Relative friction of slide print area and carbon ribbon, and then are reduced or avoided and carbon ribbon fracture and the problem of scraping leakage occur.
Description
Technical field
The application is related to a kind of slide printing equipment and method.
Background technology
, it is necessary to the information of patient be printed on corresponding slide, to face on full-automatic Preparator of blood smear
To the management of patient information on bed.For the operating mode that print media is slide, generally use heat turns printing printing type, adopted
With the mode directly printed, i.e., by the heat-transferring head that can be used on hard paper material, coordinate carbon ribbon, specify information is direct
Print to slide matte surface or spraying area.
On existing full-automatic blood film Preparation equipment, the course of work of printhead is:When slide reaches print position,
Printhead pushes, and carbon ribbon is pressed in into slide print area, and keep certain pressure;Carbon ribbon feed wheel and slide dolly point
Not Dai Dong carbon ribbon and slide advance at the same speed, realize the type information on slide;Printing terminates, and is lifted on printhead, slide
Dolly advances, the carbon ribbon that the recovery of carbon ribbon feed wheel printed.In this scenario, carbon ribbon feed wheel and slide dolly have independence
Power source.
Above-mentioned printing solution has as a drawback that:1) carbon ribbon feed wheel and slide dolly have independent power source, very
Difficulty accomplishes carbon ribbon movement velocity and slide moving of car speed sync;2) general slide print area can be present rough
Sharp thrust, because carbon ribbon and slide are asynchronous, easily cause slide print area and carbon ribbon to have Relative friction, it is jagged
Play thing to pull carbon ribbon formation, easily scrape Lou or break carbon ribbon.
The content of the invention
The present invention provides a kind of new slide printing equipment and method.
The present invention provides a kind of slide printing equipment, including can feed and reclaim carbon ribbon feed mechanism, the energy of carbon ribbon
Enough convey slide to the slide horizontal drive mechanism of print position, printhead fixation kit, printhead horizontal drive mechanism,
Mobile base and printhead vertical driving mechanism, the printhead fixation kit have printhead, the printhead horizontal drive machine
Structure is connected with the Mobile base and the Mobile base can be driven to move horizontally, and the printhead fixation kit is rotatablely installed in institute
Mobile base is stated, the printhead vertical driving mechanism is installed on the Mobile base and the printhead fixation kit can be driven to turn
Dynamic, during printing, the carbon ribbon is pressed on the slide by the printhead, the slide horizontal drive mechanism and carbon ribbon
Feed mechanism is static, and the printhead horizontal drive mechanism drives the printhead to move horizontally.
Printhead fixation kit can relatively move seat around pivot axis, and the rotational plane where it hangs down with horizontal plane
Directly.The pivot center of printhead fixation kit can be with plane-parallel.
Printhead vertical driving mechanism can include power source, transmission mechanism and vertical movement rotating shaft, power source and pass through biography
Motivation structure driving vertical movement axis of rotation, vertical movement rotating shaft is with printing fixation kit unitary rotation.
The printhead vertical driving mechanism has the vertical movement rotating shaft of output rotational motion, the printhead fixation group
Part includes support, contiguous block and at least one flexible member, and the support is connected with the vertical movement rotating shaft, the printhead
Fixed with the contiguous block, the flexible member is connected with the support, and the contiguous block is suspended under the flexible member
Side.
Detection block plate is coaxially installed with the vertical movement rotating shaft, the block plate has corresponding printhead diverse location
Multiple breach, the position of the breach are detected by detection sensor.
Detection sensor can be correlation optocoupler sensor.When turning to each breach, level can change, so as to
The upright position of printhead fixation kit can be accurately learnt, namely learn the upright position of printhead.
The printhead fixation kit includes swinging axle, rotary shaft and spill spin block, the rotary shaft and vertical movement rotating shaft
Parallel, the swinging axle and rotary shaft are vertical, and the spill spin block is fixed with the rotary shaft, one end of the swinging axle with it is described
Contiguous block is fixed, and the other end of the swinging axle is connected by revolute pair with the spill spin block.
The carbon ribbon feed mechanism includes frame and is rotatablely installed in the carbon ribbon feed wheel in the frame, carbon ribbon recycling round
And carbon ribbon granting wheel, and the steering of the carbon ribbon recycling round and carbon ribbon feed wheel is opposite.
Carbon ribbon feed mechanism can also include carbon ribbon guide wheel.Carbon ribbon can be wound on carbon ribbon feed wheel, carbon ribbon recycling round, carbon
Band is provided on wheel and carbon ribbon guide wheel.One end of carbon ribbon is fixed on carbon ribbon granting wheel, and the other end of carbon ribbon is fixed on carbon
In band recycling round.
The carbon ribbon recycling round is rotatablely installed in the frame, and the carbon ribbon recycling round and the recovery by reclaiming axle
Axle is detachably connected.
The carbon ribbon recycling round includes recovery volume sleeve and compressor arm, and the barrel that sleeve is rolled up in the recovery crosses axially extending
Connecting hole, the connecting hole and the recovery axle tight fit, the barrel is recessed to form axially extending pressing groove, the pressure
Tight bar is arranged in the pressing groove by axis of rotation, and the compressor arm has initial position and termination in its rotary motion trace
Position, in the final position, the compressor arm is caught in the pressing groove;In the initial position, the compressor arm leaves
The pressing groove.
Carbon ribbon can be pressed between compressor arm and pressing groove.
The carbon ribbon feed mechanism also includes motor, and the motor is fixed on the frame, and the carbon ribbon enters
The frame is installed on by feeding main axis to wheel, the carbon ribbon recycling round is rotatablely installed in the machine by reclaiming axle
Frame, the motor drive the feeding main axis, and the feeding main shaft drives the recovery axle to turn by transmission mechanism
It is dynamic, and torque force limiting device is housed on the feeding main shaft.
Gear drive of the transmission mechanism as included driving gear and driven gear, torque force limiting device is located at feeding main shaft
Between driving gear, driven gear and recovery axle are connected.
The carbon ribbon feed mechanism includes carbon ribbon and compresses wheel assembly and controlled compact heap, and the carbon ribbon compresses wheel assembly bag
Contact roller, compression axis, cursor and reset element are included, the cursor is rotatablely installed to be passed through in the support, the contact roller
Compression axis is rotatablely installed has impaction state and releasing orientation in the cursor, the compact heap, in the impaction state, institute
State compact heap and press the cursor, the contact roller is pressed the carbon ribbon feed wheel;In the releasing orientation, the compression
Block contacts with the cursor breakaway force, and the reset element resets the cursor, makes contact roller and the carbon ribbon feed wheel
Separation.
The cursor is provided with detection sensor, described when the compact heap is contacted with the cursor breakaway force
Detection sensor is alarmed.
When compact heap compresses cursor, detection sensor is able to detect that signal.Compact heap contacts with cursor breakaway force
When, detection sensor can't detect signal and alarm, so as to prompt user to operate.Detection sensor such as microswitch.
The carbon ribbon granting wheel is built-in with reverse resilient structures, and rotating speed, steering and the arc of rotation of the carbon ribbon granting wheel
At least one of degree is detected by sensor.
Code-disc can be coaxially fixed on carbon ribbon granting wheel, by the cooperation of the code-disc and the sensor, realizes and carbon ribbon is sent out
Put wheel speed, steering or the detection for rotating radian.
The printhead horizontal drive mechanism includes penetration type linear stepping motor and feed screw nut pair, the feed screw nut
Secondary screw mandrel crosses the linear stepping motor, and the rotation of the screw mandrel and one of nut of the feed screw nut pair is restrained, turns
The restrained screw mandrel or nut is moved to fix with the Mobile base.
Reset element is provided between the printhead fixation kit and the Mobile base, when making power down, the printhead is consolidated
Determine component to be reset element returns.
Printhead fixation kit is rotatablely installed in Mobile base, and reset element located at printhead fixation kit and Mobile base it
Between, during power down, reset element makes printhead fixation kit be reset to vertical initial positions.
A kind of slide Method of printing, during printing, slide and carbon ribbon are static, and printhead moves horizontally.
The beneficial effects of the invention are as follows:During printing, carbon ribbon and slide keep geo-stationary, effectively avoid slide
The Relative friction of print area and carbon ribbon, and then be reduced or avoided and carbon ribbon fracture and the problem of scraping leakage occur.
Brief description of the drawings
Fig. 1 is the printing principle schematic of present embodiment slide printing equipment;
Fig. 2 is the structural representation of present embodiment slide printing equipment when being lifted on printhead;
When Fig. 3 is that printhead pushes, the structural representation of present embodiment slide printing equipment;
Fig. 4 is the structural representation of the carbon ribbon feed wheel of present embodiment;
Fig. 5 and Fig. 6 is the structural representation of two different visual angles of present embodiment slide printing equipment respectively;
Fig. 7 is the structural representation of present embodiment carbon ribbon feed mechanism;
Fig. 8 to Figure 10 be carbon ribbon feeding structure feeding and recovery section three different visual angles structural representation;
When Figure 11 is that contact roller separates with carbon ribbon feed wheel, the structural representation of feeding and recovery section;
Figure 12 is the dimensional structure diagram of present embodiment printhead fixation kit;
Figure 13 is the sectional view of present embodiment printhead fixation kit;
Figure 14 is the tilt self-adaptive schematic diagram of present embodiment printhead fixation kit;
Figure 15 is to reflect carbon ribbon recycling round with reclaiming the schematic diagram of axle fit structure;
When Figure 16 is that compressor arm is in initial position, the structural representation of carbon ribbon recycling round;
When Figure 17 is that compressor arm is in final position, the structural representation of carbon ribbon recycling round;
When Figure 18 is that compressor arm is in initial position, the sectional view of carbon ribbon recycling round;
Figure 19 is the schematic diagram for the compression slot structure for reflecting carbon ribbon recycling round;
Figure 20 is the overall structure diagram of present embodiment printhead horizontal drive mechanism;
Figure 21 is a kind of sectional view of structure of present embodiment printhead horizontal drive mechanism;
Figure 22 is the sectional view of another structure of present embodiment printhead horizontal drive mechanism.
Embodiment
The present invention is described in further detail below by embodiment combination accompanying drawing.
As shown in Figures 1 to 6, slide printing equipment includes carbon ribbon feed mechanism, slide horizontal drive mechanism, printing
Head fixation kit 5, printhead horizontal drive mechanism 9, Mobile base 87 and printhead vertical driving mechanism 88.Carbon ribbon feed mechanism energy
Enough realize the feeding and recovery of carbon ribbon 6.Slide 4 can be delivered to print position by slide horizontal drive mechanism.Printhead
Fixation kit 5 includes printhead 51.Printhead horizontal drive mechanism 9 is connected with Mobile base 87, and can drive the water of Mobile base 87
Translation is dynamic.Printhead fixation kit 5 is rotatably installed in the Mobile base 87, printhead vertical driving mechanism 88 and printhead fixation group
The drive connection of part 5, printhead fixation kit 5 is set to be moved horizontally with Mobile base 87, and can enough relatively moves 87 turns of seat
It is dynamic, i.e., it can realize moving horizontally and vertically moving for printhead.
During printing, slide is transported to by print position, printhead vertical drive machine by slide horizontal drive mechanism
Structure driving printhead fixation kit presses to vertical print position, makes printhead that carbon ribbon is pressed on slide;Then, print
Head fixation kit direction of arrow under printhead horizontal drive mechanism acts on by Fig. 1 moves horizontally, and realizes type information line by line,
During this, slide horizontal drive mechanism remains stationary, and carbon ribbon feed mechanism does not feed carbon ribbon.
After printing terminates, lifted on printhead vertical driving mechanism driving printhead fixation kit to vertical pre-print position,
Printhead 51 is set to depart from slide 4, carbon ribbon feed mechanism starts the carbon ribbon by direction of arrow recovery certain length in Fig. 2, returns
After receipts terminate, slide horizontal drive mechanism leaves horizontal print position with slide, completes a printing interval.
Printhead horizontal drive mechanism can be passive delivery structure, be moved to slide dolly as manually operated and beat
Position or dynamic source structure are printed, as motor driving slide dolly 3 moves linearly., can in order to ensure kinematic accuracy
To set horizontally-guided mechanism 1.
After the completion of printing, slide is lifted away from printhead, then feeds carbon ribbon, carbon ribbon feeding terminate after, slide again from
Drive print position.It is of course also possible to after the completion of being printing, printhead compresses slide and carbon without departing from slide, i.e. printhead
Band, first allow carbon ribbon feeding certain length after, printhead again on be lifted away from slide, after above lifting to position, slide is further out printing
Position;Either, after the completion of printing, carbon ribbon feeding is carried out while lift on printhead.
Carbon ribbon feed mechanism can include carbon ribbon feed wheel 2 and carbon ribbon granting wheel 7.Carbon ribbon granting wheel 7 is used to realize new carbon
Fixation of the band on printing equipment, new carbon ribbon can be on the carbon ribbon granting wheels.In order to allow carbon ribbon to be kept for certain appropriate
Clamp force, ensure that carbon ribbon is smooth, carbon ribbon granting wheel 7 is built-in with existing reverse resilient structures.Reverse resilient structures can be supplied to
Carbon ribbon 6 is in reverse to the pulling force of direction of feed, while carbon ribbon again can be with course feed, conventional resilient structures such as damping and torsion spring.
Carbon ribbon feed wheel 2 scrolling carbon ribbon, guarantee carbon ribbon can be fed with uniform linear velocity under power drive.For
Printhead is prevented in moving process, carbon ribbon 6 is dragged and printing failure occurs by printhead, it is desirable to carbon ribbon feed wheel 2 and carbon
With the frictional force F between 62More than the frictional force F between printhead 51 and carbon ribbon 61, i.e. F2>F1.Carbon ribbon feed wheel 2 includes carbon ribbon
Rubber roll 21 and carbon ribbon contact roller 22 are fed, carbon ribbon 6 is pressed between carbon ribbon feeding rubber roll 21 and carbon ribbon contact roller 22, when carbon ribbon enters
During to 21 scrolling of rubber roll, carbon ribbon feeding can be dragged, when carbon ribbon feeding rubber roll 21 is static, carbon ribbon feeding rubber roll 21 can provide
Frictional force F2, F2Size can be controlled by adjusting the compression degree of carbon ribbon contact roller 22.
In order to facilitate changing carbon ribbon and saving the time-write interval, printhead fixation kit is provided with three upright positions:Vertically
Initial position, vertical pre-print position and vertical print position.The effect of vertical initial positions is:After power-off, when idle or stop
During dormancy, printhead enters the initial position, is conveniently replaceable carbon ribbon or cleaning printhead.Vertical pre-print position is that printhead is vertical
The position waited is run, this position is closer from vertical printing position position, and when slide runs to print position, printhead is very
Fast can is depressed into vertical print position, and without from vertical initial positions, saving flow time, and hang down at this
Straight pre-print position, slide may exit off print position, without being collided with printhead.When vertical printing position position is printing
Position.
As shown in figure 5, the slide dolly 3 being oriented to by horizontally-guided mechanism 1 transports slide 4 under power source drive
It is downloaded to horizontal print position.Printhead vertical driving mechanism includes vertical driving motor 82, transmission mechanism and vertical movement rotating shaft
81, vertical driving motor 82 transfers power to vertical movement rotating shaft 81 by transmission mechanism, and transmission mechanism can be timing belt
Transmission mechanism or gear drive.Printhead fixation kit 5 is affixed to vertical movement rotating shaft 81, realizes printhead
51 vertical depression and upper lift, realize three upright positions.Pass through such design, it is possible to achieve by adjusting vertical driving motor
82 walking step number adjusts the force of impression of needs.
As shown in fig. 6, being coaxially installed with detection block plate 84 in vertical movement rotating shaft 81, both are connected.Detect block plate 84
It is the disk with some breach, gap position and above-mentioned vertical initial positions, vertical pre-print position and vertical print position
It is corresponding.One or two detection sensors 86 are distributed with detection block plate 84,
For judging the position of the detection breach of block plate 84.Detection block plate 84 is co-axially mounted with vertical movement rotating shaft 81, vertically
Motor 82 and vertical movement rotating shaft 81 are all arranged on moving box, can be moved with printhead horizontal drive mechanism, should
When the advantages of design is that printhead is moved horizontally to any position, power down or abnormal conditions occurs, printhead can be known
Vertical direction be in where, beneficial to troubleshooting.
As shown in figure 5, damage printhead during in order to prevent power down, reset element 83 can be designed with, the one of reset element
Printhead fixation kit 5 is fixed at end, and the other end is fixed on printhead horizontal drive mechanism 9, and when device power down, printhead is solid
Determine component 5 and be automatically pulled vertical initial positions, prevent printhead from being collided with slide dolly.Reset element can with extension spring,
It can be torsion spring.The effect of printhead horizontal drive mechanism 9 is dragging printhead movement, realizes printing.
As shown in Fig. 7 to Figure 11, in another embodiment, carbon ribbon feed mechanism includes carbon ribbon granting wheel 7, carbon ribbon enters
Wheel assembly 8 is compressed to wheel 2, carbon ribbon recycling round 17, carbon ribbon guide wheel 11 and carbon ribbon.
Carbon ribbon granting wheel 7 is used to realize that winding of the new carbon ribbon on printing equipment is fixed, and carbon ribbon granting wheel possesses one
Fixed rotary damping.Carbon ribbon feed wheel 2 is used to realize scrolling carbon ribbon, ensures that carbon ribbon is fed with uniform linear velocity.Carbon ribbon
Recycling round 17 is used to store the carbon ribbon backrush after printing, and carbon ribbon recycling round need to meet certain linear speed with carbon ribbon feed wheel
Degree relation:The linear velocity of carbon ribbon recycling round is equal to or more than the linear velocity of carbon ribbon feed wheel, ensures that carbon ribbon can be in recycling round
Winding is tight, not loosely;Also, carbon ribbon recycling round should preferably possess the function that overload is skidded, when carbon ribbon recycling round linear velocity is big
When the linear velocity of carbon ribbon feed wheel, carbon ribbon recycling round can skid automatically, ensure between carbon ribbon feed wheel and carbon ribbon recycling round
That section of carbon ribbon tension force be constant, prevent from breaking carbon ribbon.Carbon ribbon guide wheel 11 moves road when can realize carbon ribbon work
Constraint, prevent carbon ribbon from being overlapped during scrolling, ensure print area in carbon ribbon it is smooth.
Carbon ribbon compresses wheel assembly 8 and is used to provide pressure of the carbon ribbon on carbon ribbon feed wheel so that carbon ribbon feed friction power increases
Greatly.Simultaneously because when changing carbon ribbon, carbon ribbon is needed through carbon ribbon contact roller and carbon ribbon feed wheel, so needing carbon ribbon pressure
Bearing up pulley can go up lift, separated with carbon ribbon feed wheel, reserve sufficient space, guarantee to install carbon ribbon.
In order to save space, carbon ribbon recycling round 17 can be arranged on the right side of carbon ribbon feed wheel 2, i.e. carbon ribbon recycling round 17 is set
Put between carbon ribbon feed wheel 2 and carbon ribbon granting wheel 7;In order to increase the frictional force of carbon ribbon and carbon ribbon feed wheel, generally Fig. 7 institutes are pressed
Show that the direction of arrow winds carbon ribbon 6, ensure there is the contact cornerite of maximum between carbon ribbon and carbon ribbon feed wheel, so that carbon ribbon feed wheel
It is opposite with the rotation direction of carbon ribbon recycling round.
Motor 10 is imparted power on carbon ribbon feed wheel 2 by driving pulley 14, timing belt 12, driven pulley 13
Feeding main shaft 63.The inside of frame 15 of motor installation carbon ribbon feed mechanism, synchronous belt drive mechanism are arranged in outside frame
Side, it effectively make use of space.Carbon ribbon feed wheel 2 is carried by feeding main shaft 63, and feeding main shaft 63 is rotatably supported in by bearing
In frame 15, torque force limiting device 61 be housed on feeding main shaft 63, wherein, torque force limiting device is divided into inner ring and outer rings, inner ring with
There is the friction plate for keeping friction torque between outer shroud, the end face of friction plate has compression spring to provide pressure.Torque force limiting device
Inner ring be connected with feeding main shaft 63, the outer shroud of torque force limiting device is connected with feeding driving gear 62, while feeds driving gear
62 form revolute pair, support rotating shaft of the feeding main shaft 63 as feeding driving gear 62 with feeding main shaft 63;Carbon ribbon feed wheel 2 is
Installed in the shaft end of the feeding main shaft 63.Carbon ribbon recycling round 17 is carried by carbon ribbon recovery axle 71, and carbon ribbon reclaims axle 71 and turned by bearing
Dynamic to be supported in frame 15, carbon ribbon reclaims axle 71 and connected firmly with recovery driven gear 72, and it is driven with reclaiming to feed driving gear 62
Gear 72 engages, i.e., the power of the outer shroud of torque force limiting device 61 is delivered to carbon ribbon by gear drive and reclaimed on axle 71, reaches one
Motor 10 completes carbon ribbon and enters to give carbon ribbon recovery function;Because gear drive will change the direction of motion, carbon ribbon is also achieved
Feed wheel rotates backward with carbon ribbon recycling round.When the carbon ribbon tension force increase between carbon ribbon feed wheel and carbon ribbon recycling round, by
In having used torque force limiting device, constant transmission torsion is kept between carbon ribbon feed wheel and carbon ribbon recycling round, torque force limiting device
Inner ring relative can be skidded with outer shroud.
In order to increase the frictional force of carbon ribbon feed wheel, devise carbon ribbon and compress wheel assembly 8 with compressing cam 23.Carbon ribbon compresses
Wheel assembly 8 includes contact roller 81, and compression axis 82, cursor 83, rotating shaft 84 and reset element 85 form.Contact roller 81 and compression axis
82 form revolute pairs and can be rotated around compression axis 82, and contact roller 81 can have one or more.Compression axis 82, which is connected in, to be turned
One end of swing arm 83, the other end and the rotating shaft 84 of cursor 83 are connected, and rotating shaft 84 can rotate in frame.Carbon ribbon contact roller 81
Pressure provided by compressing cam 23, compress the compact heap 24 and action bars 25 having elastic component on cam 23 equipped with band.Behaviour
Make bar 25 and rotated with cam 23 is compressed, in the rotational travel of cam, there is load stroke and lost motion, when loading stroke,
Compress cam and compact heap 24 is pushed by flexible member, and then compact heap is pressed on cursor 83, contact roller compresses carbon ribbon
Feed wheel 2;In lost motion, compact heap 24 is released to the thrust of cursor, and cursor is multiple in the presence of reset element
Position, makes contact roller be separated with carbon ribbon feed wheel.
State shown in Figure 10 is the state that contact roller 81 compresses carbon ribbon feed wheel 2, by stirring action bars 25, can make pressure
Tight block 24 departs from from cursor, no longer provides pressure.Now, the meeting of cursor 83 appliance for releasing single under the active force of reset element 85
Rise, so that contact roller separates with carbon ribbon feed wheel, reset element can be torsion spring and extension spring, as shown in figure 11.Contact roller with
After the separation of carbon ribbon feed wheel, user's can winding carbon ribbon, after winding terminates, action bars is stirred, cam pressing will be compressed again
On cursor.In order to prevent user from having forgotten to stir action bars, cause frictional force inadequate, being provided with detection in cursor side passes
Sensor 16, such as microswitch.When compression cam is pressed on cursor by compact heap, detection sensor induced signal, work as detection
Sensor does not detect signal, will alarm, and prompts user's operation.
Present embodiment has the advantages that:
1) electric machine built-in;Torque force limiting device, feeding driving gear and feeding main shaft are co-axially mounted, and are greatly saved space knot
Structure;
2) by gear drive, on the one hand realize that single motor realizes carbon ribbon recovery and feeding, reduce cost;On the other hand it is real
Now reclaim and feed rotation direction reversed, increase carbon ribbon friction cornerite;Torque force limiting device is coordinated to realize carbon ribbon constant-tension simultaneously;
3) contact roller can separate with carbon ribbon feed wheel, facilitate user to change carbon ribbon;
4) the automatic upper lift of cursor is realized using reset element;Automatic detection can be realized by detection sensor simultaneously
Alarm.
As shown in Fig. 6, Figure 12 to Figure 14, in one embodiment, in order to solve the depth of parallelism of printhead and slide
Problem, the printhead fixation kit of tilt self-adaptive can be used, ensures printhead and slide reliable contacts, realized reliable
Information prints, and saves the printhead adjustment process of complexity, improves efficiency.
Printhead fixation kit 5 includes printhead 51, support 54, contiguous block 52, spill spin block 55, rotary shaft 56 and elasticity member
Part 53.Printhead 51 is connected on contiguous block 52 by screw 57, and spill spin block 55 and the middle part of rotary shaft 56 are fixed, rotary shaft 56
Both ends and support 54 between be provided with revolute pair, the vertical movement rotating shaft 81 of support and printhead vertical driving mechanism is fixed;
Force of impression provides by the flexible member 53 being connected between support 54 and contiguous block 52, and printhead contact slide it
Before, flexible member 53 has certain initial compression amount, and when support 54 is depressed on slide, flexible member 53 can compress change
Shape, so as to provide force of impression.When support 54 continues to push, rotary shaft 56 also can and then rotate, and the moment ensures given beat
Coining power.
Swinging axle 58 is provided between contiguous block 52 and spill spin block 55.One end of swinging axle 58 is connected by holding screw 59
On contiguous block 52, the other end of swinging axle is then connected on spill spin block 5 by two bearings 18, and the inner ring of bearing 18 passes through sleeve
19 and back-up ring 20 it is spacing.So, just there is the free degree of opposing oscillatory between contiguous block and spill spin block, inclined with adapting to printhead
Tiltedly.When printhead and slide are not parallel, there is the design for swinging the free degree, printhead can is adaptively pressed on load glass
On piece, automatic adjusument is realized.Using bearings, swing resistance is small, ensure that the validity and reliability of swing.Separately
Outside, due to only increasing the swing free degree, the stable support of printhead is ensure that, deflection or confusion will not be produced.
For the adaptive printhead fixation kit, during printing, printhead 51 is pressed on load glass by flexible member 53
On piece 2, ensure there is certain contact force between printhead 51 and slide 2, also ensure that and beat by the active force of flexible member 53
Print the good contact of first 51 and slide 2 and overcome rocking for printhead.Flexible member 3 can use two symmetrical are fixed on to beat
Print on head, can also be fixed on using one among printhead.Certainly, flexible member can also have three or more than three.
In a kind of replacing structure, the relative position of rotary shaft and swinging axle is exchanged, i.e. swinging axle one end is fixed on support
On, the other end is connected by revolute pair with spill spin block;And revolute pair is designed between rotary shaft and spill spin block, contiguous block is fixed
Connect on the rotary shaft, to realize the swing of printhead and rotation.
As shown in Figure 15 to Figure 19, in one embodiment, carbon ribbon recycling round 17 is designed to demountable structure, and it includes
One dismountable recovery volume sleeve, what recovery volume sleeve can be easy is arranged on carbon ribbon recovery axle, can also be easy
From carbon ribbon recovery axle dismounting.The structure can be solved in the place of some spaces compacts, under recovery volume sleeve is dismantled, in space
Carbon ribbon one end is fixed on recovery volume sleeve or takes off used carbon ribbon from recovery volume sleeve by big place operation.
Easy carbon ribbon compressing structure is provided with recovery volume sleeve, carbon ribbon one end is fixed on recovery volume set by quick realize
On cylinder.Compressing structure includes the compressor arm with elastomeric material parcel and pressing groove is engaged with compressor arm, and compressor arm is with compressing
Groove is designed with certain magnitude of interference, reliably can be clipped in carbon ribbon and neither loosen between the two, also not pinch off.During operation, only need by
Compressor arm is transferred to or depresses can, simple and efficient.
Carbon ribbon recycling round 17 includes the dismountable recovery volume sleeve 171 of separation, and recovery volume sleeve can pass through elastic member
The tensioner of part 3 is on carbon ribbon recovery axle 71.Recovery volume sleeve 171 has an axially extending connecting hole 170, and carbon ribbon reclaims axle 71 can be with
The connecting hole is inserted, carbon ribbon reclaims axis connection on the power source of printing equipment, so as to which recovery motion is delivered into recovery volume set
On cylinder 171.Dismountable recovery volume set is separated by designing, user, can be with when connecting carbon ribbon with dismantling used carbon ribbon
Recovery volume sleeve is extracted, in the big place operation of machine exterior or space.
Carbon ribbon recycling round includes recovery volume sleeve 171, compressor arm 173 and rotating shaft 174, and the barrel of recovery volume sleeve 1 crosses
The connecting hole 170 axially penetrated through, the connecting hole are the interfaces being connected with the carbon ribbon of printing equipment recovery axle 71.Recovery volume sleeve cylinder
Bottom and axially extending pressing groove 172 are arranged at the top of wall, and one end of compressor arm 173 is connected by rotating shaft with barrel, makes pressure
Tight bar can be inserted in the pressing groove 2.
Figure 17 is the state that compressor arm 173 is pressed in pressing groove 172.
The both ends difference connected ball handle 175 and spill spin block 176 of compressor arm 173.Ball handle 175 passes through screw thread with compressor arm 173
It is connected and fixed, the effect of ball handle 175 is to facilitate user to extract or press compressor arm, improves operational comfort.Rotation
Together with block 176 connects firmly with compressor arm 173, the rotation of compressor arm is realized together with rotating shaft 174.
Rubber sleeve 177 can be set on compressor arm 173, and rubber sleeve 177 can also use other that certain elasticity can occur
The soft material of deformation, such as polyurethane tube, rubber sleeve need certain wall thickness, and guarantee has compress variation.Rubber sleeve 177 can
Compressor arm 173 is installed in a manner of using encapsulated or intubation.
The inside diameter d2 of pressing groove 172 opens opening size d1 more than pressing groove, ensures that compressor arm is pressed in pressing groove
Without departing from;Smooth grinding process is wanted on pressing groove periphery, ensures that carbon ribbon will not be cut off.The external diameter of rubber sleeve 177, which is more than, to be compressed
The inside diameter d2 of groove, by the deformation of rubber sleeve, carbon ribbon is pressed between pressing groove and rubber sleeve by increase frictional force, works as carbon
When power with recovery axle is delivered on recovery volume sleeve, carbon ribbon will be wrapped on the outer circumference surface of recovery volume sleeve.
The spill spin block 176 being connected on compressor arm with around the shaft 174 rotations, can realize the rotating function of compressor arm.Rotating shaft 174
Designed with the place that spill spin block 176 coordinates using optical axis, the shaft end of rotating shaft is designed with screw thread, for being connected to recovery volume sleeve
On.The anti-step killed is designed with rotating shaft, rotating shaft is tightened onto certain position, and step can withstand on recovery volume sleeve, not have now
Method is tightened again, prevents locking.
As shown in Figure 20 to Figure 22, in one embodiment, printhead horizontal drive mechanism 9 is using penetration type straight line step
Stepper motor 93 is used as driving source, and a kind of structure is screw pair built in stepper motor, and nut and the motor of feed screw nut pair turn
Son is directly connected to, and the rotary motion of feed screw nut adjutant's stepper motor is converted into the linear motion of leading screw, is beaten so as to drive
Print head movement;Another structure is screw structure built in stepper motor, and rotor is directly connected with leading screw, during electric motor starting,
Leading screw only rotates, and does not move, and the nut being enclosed on leading screw drives printhead movement, while needs guide rail to prevent nut from rotating.By
In leading screw or nut built in penetration type linear stepping motor, traditional shaft coupling and the support knot of leading screw fixing end are eliminated
Structure, so saving transmission mechanism axial direction dimensions length and simplifying structure, and then print member is saved in blood film preparing instrument
On bulk and improve the reliability of mechanism, while remain that screw nut driven precision is high again and stable drive it is excellent
Point.
As shown in figure 20, linear stepping motor 93 and line slideway 98 are fixed by screws on main floor 91, leading screw spiral shell
Female secondary leading screw 92 is applied among linear stepping motor 93, and wherein one end of leading screw is fixed on leading screw connecting seat by screw 27
On 94, leading screw connecting seat 94 is fixed on base 97, and base 97 is fixed on the sliding block of line slideway 98, parallel using two
The line slideway 98 of installation increases the stationarity of motion.Two carrier bases 99 are provided with the both sides of base 97, carrier base 99 is used
Rotating shaft 81 is moved in fixed vertical, vertical movement rotating shaft 81 is the connecting interface of printhead, and the can of printhead fixation kit 5 is consolidated
The vertical movement rotating shaft 81 is scheduled on, and then printhead fixation kit 5 can drive printhead to move, and realize printing.Support is set
Seat 99 and the purpose of vertical movement rotating shaft 81 are that vertical movement rotating shaft 81 and carrier base 99 can design revolute pair, to realize printing
The upper lift of head is with pushing.The position detection of printhead movement is detection sensor 95 and carrier base by being fixed on main floor 91
99 upper stop pieces 96 are realized, after catch 96 senses detection sensor 95, represent that printhead is moved to initial position or stop bits
Put.Base 97 and two carrier bases 99 are fixed and form Mobile base 87, and printhead horizontal drive mechanism can drive the Mobile base
87 rectilinear movements.
With reference to shown in Figure 20 and Figure 21, linear stepping motor 93 is fixed on main floor 91 by motor mount 26, silk
The leading screw 92 of thick stick pair of nut is applied among linear stepping motor 93, the nut of screw pair and turning for linear stepping motor 93
Son is connected.When motor action, leading screw can linear movement output, and leading screw is not in rotate, based on this feature, silk
The linear motion of thick stick can be delivered on printhead by Mobile base, realize the movement of printhead.Because leading screw is applied in straight line
Among stepper motor, and leading screw one end is directly connected to Mobile base, the middle structure without other similar to shaft coupling and bearing, structure
Simply, bulk is saved.And driving-chain is short, motion positions precision ensure that.
With reference to shown in Figure 20 and Figure 22, the rotor of linear stepping motor 93 and the leading screw 92 of screw pair connect, motor
Rotary motion directly drive leading screw to rotate, nut 28 is enclosed on leading screw 92, and nut 27 is connected with Mobile base, coordinate line slideway
98 anti-rotation, realize the rectilinear movement for Mobile base 87 by the convert rotational motion of motor.
For carbon ribbon feed mechanism, it generally comprises carbon ribbon feed wheel 2, carbon ribbon recycling round and carbon ribbon granting wheel 7, carbon ribbon hair
Put wheel and be typically built-in with reverse resilient structures.With reference to shown in Fig. 7, during carbon ribbon course feed, carbon ribbon feed wheel 2 drives carbon ribbon to move
Dynamic, due to being built-in with reverse resilient structures, the rotating speed of carbon ribbon granting wheel is slow, and rotation radian is few, turns to turn with carbon ribbon feed wheel
To consistent, such as rotate clockwise.After carbon ribbon is broken, in the presence of reverse resilient structures, carbon ribbon granting wheel is changed into the inverse time
Pin rotates, and rotating speed accelerates, and rotates radian and becomes more.It follows that by setting rotary state sensor on carbon ribbon granting wheel, it is real
When monitor carbon ribbon granting wheel rotary state, i.e., whether normal can detect carbon ribbon.Specifically, it can be matched somebody with somebody using binary channels optocoupler
Code-disc is closed, by the dipulse signal phase of acquisition, frequency and number difference, obtains and turns to, rotating speed and rotation radian information.
For carbon ribbon feed mechanism, on whole carbon ribbon winding path, occur when in carbon ribbon standing, printing or removal process
Carbon ribbon is broken.Carbon ribbon granting wheel can be caused to turn round.And have steering, rotating speed, the monitoring that radian triplet state judges is rotated, can be carried
The accuracy of high-carbon band fracture detection, and then it is avoided that carbon ribbon fracture, which occurs, causes indivedual or multiple push jack sample information impression blocks
Paste even no marking, effectively avoids medical detection risk.
Carbon ribbon fracture detection is when being broken with carbon ribbon course feed with carbon ribbon occurs, and the difference of motion feature is marked for detection
It is accurate.During detection, rotating speed, steering can be detected simultaneously and rotates radian, or only detects one therein or two.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to assert this hair
Bright specific implementation is confined to these explanations.For general technical staff of the technical field of the invention, do not taking off
On the premise of from present inventive concept, some simple deduction or replace can also be made.
Claims (12)
- A kind of 1. slide printing equipment, it is characterised in that including can feed and reclaim carbon ribbon carbon ribbon feed mechanism, can Slide is conveyed to the slide horizontal drive mechanism of print position, printhead fixation kit, printhead horizontal drive mechanism, shifting Dynamic seat and printhead vertical driving mechanism, the printhead fixation kit have printhead, the printhead horizontal drive mechanism It is connected with the Mobile base and the Mobile base can be driven to move horizontally, the printhead fixation kit is rotatablely installed in described Mobile base, the printhead vertical driving mechanism are installed on the Mobile base and the printhead fixation kit can be driven to turn Dynamic, during printing, the carbon ribbon is pressed on the slide by the printhead, the slide horizontal drive mechanism and carbon ribbon Feed mechanism is static, and the printhead horizontal drive mechanism drives the printhead to move horizontally;The carbon ribbon feed mechanism bag Including rack and being rotatablely installed is built-in with reversely in the carbon ribbon feed wheel in the frame and carbon ribbon granting wheel, the carbon ribbon granting wheel Resilient structures, the reversely resilient structures are used for when carbon ribbon feed wheel drives carbon ribbon course feed, damping carbon ribbon granting wheel Rotating speed, carbon ribbon fracture after, drive the reverse quick rotation of carbon ribbon granting wheel, and the rotating speed of the carbon ribbon granting wheel, turn to and turn At least one of dynamic radian is detected by sensor.
- 2. slide printing equipment as claimed in claim 1, it is characterised in that the printhead vertical driving mechanism has defeated Going out the vertical movement rotating shaft of rotational motion, the printhead fixation kit includes support, contiguous block and at least one flexible member, The support with it is described vertical movement rotating shaft be connected, the printhead is connected with the contiguous block, the flexible member with it is described Support is connected, and the contiguous block is suspended on the lower section of the flexible member.
- 3. slide printing equipment as claimed in claim 2, it is characterised in that be coaxially installed with the vertical movement rotating shaft Block plate is detected, the block plate has multiple breach of the corresponding different vertical position of printhead, and the position of the breach is passed by detection Sensor detects.
- 4. slide printing equipment as claimed in claim 2, it is characterised in that the printhead fixation kit includes swinging Axle, rotary shaft and spill spin block, the rotary shaft and vertical movement shaft parallel, the swinging axle and rotary shaft are vertical, the rotation Switch block is fixed with the rotary shaft, and one end of the swinging axle is fixed with the contiguous block, and the other end of the swinging axle passes through Revolute pair is connected with the spill spin block.
- 5. slide printing equipment as claimed in claim 1, it is characterised in that the carbon ribbon feed mechanism also includes being installed on Carbon ribbon recycling round in the frame, and the steering of the carbon ribbon recycling round and carbon ribbon feed wheel is opposite.
- 6. slide printing equipment as claimed in claim 5, it is characterised in that the carbon ribbon recycling round is rotated by reclaiming axle The frame is installed on, and the carbon ribbon recycling round and the recovery axle are detachably connected.
- 7. slide printing equipment as claimed in claim 6, it is characterised in that the carbon ribbon recycling round includes recovery volume sleeve And compressor arm, the barrel of the recovery volume sleeve cross axially extending connecting hole, the connecting hole and the recovery axle close-fitting Closing, the barrel is recessed to form axially extending pressing groove, and the compressor arm is arranged in the pressing groove by axis of rotation, The compressor arm has initial position and final position in its rotary motion trace, and in the final position, the compressor arm is caught in In the pressing groove;In the initial position, the compressor arm leaves the pressing groove.
- 8. slide printing equipment as claimed in claim 5, it is characterised in that the carbon ribbon feed mechanism also includes driving electricity Machine, the motor are fixed on the frame, and the carbon ribbon feed wheel is installed on the frame, institute by feeding main axis State carbon ribbon recycling round and be rotatablely installed by reclaiming axle in the frame, the motor driving feeding main axis, institute State feeding main shaft drives the recovery axle to rotate by transmission mechanism, and torque force limiting device is housed on the feeding main shaft.
- 9. slide printing equipment as claimed in claim 2, it is characterised in that the carbon ribbon feed mechanism compresses including carbon ribbon Wheel assembly and controlled compact heap, the carbon ribbon, which compresses wheel assembly, includes contact roller, compression axis, cursor and reset element, institute State cursor and be rotatablely installed and be rotatablely installed in the support, the contact roller by compression axis in the cursor, the compression Block has impaction state and releasing orientation, and in the impaction state, the compact heap presses the cursor, makes the contact roller Press the carbon ribbon feed wheel;In the releasing orientation, the compact heap contacts with the cursor breakaway force, described to reset member Part resets the cursor, separates contact roller and the carbon ribbon feed wheel.
- 10. slide printing equipment as claimed in claim 9, it is characterised in that the carbon ribbon, which compresses wheel assembly, also includes inspection Sensor is surveyed, when the compact heap is contacted with the cursor breakaway force, the detection sensor is alarmed.
- 11. slide printing equipment as claimed in claim 1, it is characterised in that the printhead horizontal drive mechanism includes Penetration type linear stepping motor and feed screw nut pair, the screw mandrel of the feed screw nut pair crosses the linear stepping motor, described The rotation of the screw mandrel and one of nut of feed screw nut pair is restrained, rotates the restrained screw mandrel or nut and the movement Seat is fixed.
- 12. slide printing equipment as claimed in claim 1, it is characterised in that the printhead fixation kit and the shifting Reset element is provided between dynamic seat, when making power down, the printhead fixation kit is reset element returns.
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CN106696477B (en) * | 2017-01-16 | 2018-04-03 | 李美玲 | A kind of slide printer |
CN107284045B (en) * | 2017-07-05 | 2019-07-26 | 广州蓝勃生物科技有限公司 | A kind of slide printing equipment |
CN109795228B (en) * | 2019-03-05 | 2023-09-15 | 江苏诚印科技有限公司 | Printing device and printer |
CN110228301B (en) * | 2019-08-07 | 2019-12-06 | 上海韬涵医疗科技有限公司 | Slide printing device |
CN110450547B (en) * | 2019-09-12 | 2021-02-09 | 湖南爱威医疗科技有限公司 | Printing system and method |
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Application publication date: 20151125 Assignee: Shenzhen Mindray Animal Medical Technology Co.,Ltd. Assignor: SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS Co.,Ltd. Contract record no.: X2022440020009 Denomination of invention: Glass slide printing device and method Granted publication date: 20180130 License type: Common License Record date: 20220804 |