CN115214224B

CN115214224B - Positive and negative rotation transformation transmission device of unit type photogravure press

Info

Publication number: CN115214224B
Application number: CN202211147672.6A
Authority: CN
Inventors: 文文; 牧青; 李宝
Original assignee: Jiangsu Hi Print Electromechanical Science & Technology Co ltd
Current assignee: Jiangsu Hi Print Electromechanical Science & Technology Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2022-11-25
Anticipated expiration: 2042-09-21
Also published as: CN115214224A

Abstract

The invention discloses a forward and reverse rotation conversion transmission device of a unit type photogravure press, which relates to the field of printing transmission devices and solves the problem that a combiner is seriously abraded under the condition of switching without stopping a machine in the conventional reversing transmission device.

Description

Positive and negative rotation conversion transmission device of unit type gravure printing machine

Technical Field

The invention relates to the field of printing transmission devices, in particular to a positive and negative rotation conversion transmission device of a unit type gravure printing machine.

Background

Intaglio printing is called gravure for short, and is one of four printing modes. The intaglio printing is a direct printing method, and is characterized by that the ink contained in intaglio pit can be directly printed on the printing material, and the shade layer of the printed picture is determined by size and depth of pit, and in the course of working the machine set type intaglio printing machine can be regulated for forward and backward rotation of printing roller.

The existing transmission device for positive and negative rotation conversion only switches the steering under the halt state, separates and matches two groups of couplers, and does not cause collision damage of the couplers, if the steering is switched under the non-halt state, one group of the combined couplers is separated forcibly, while one of the couplers of the other group rotates at a high speed, the other coupler is in the halt state, in the process of matching the halted couplers with the couplers rotating at a high speed, the couplers rotating at a high speed can collide with the stalled couplers at one moment, then the stalled couplers are driven to rotate, and under the continuous propulsion of the stalled couplers, the couplers can stably follow the couplers rotating at a high speed to transmit, but in the non-halt state, the couplers collide in the matching process every time, and are easy to damage, therefore, the transmission device for positive and negative rotation conversion of the unit type intaglio printing press is provided.

Disclosure of Invention

The invention aims to provide a positive and negative rotation conversion transmission device of a unit type photogravure press, which can match or separate a binder without stopping the press and can not cause the damage of the binder, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the positive and negative rotation conversion transmission device of the unit type photogravure press comprises a device shell, a power input shaft, a first optical axis, a power output shaft and a second optical axis, wherein the power input shaft, the power output shaft and the first optical axis and the second optical axis are installed inside the device shell in a rotating mode; the locking mechanisms can enable the power output shaft to perform reversing transmission, and are arranged in two groups, the two groups of locking mechanisms are respectively arranged between the second combining part and the second optical axis and between the third combining part and the power input shaft, and the two groups of locking mechanisms are arranged in a reverse direction; reversing adjustment mechanism can be to two sets of locking mechanism adjusts reversing adjustment mechanism install in the upper end of device casing, just reversing adjustment mechanism with distribute in power input shaft one side install displacement mechanism between the locking mechanism, wherein power input shaft, optical axis one, power output shaft, two four external diameters of optical axis are unanimous.

Preferably, locking mechanism including the activity cup joint in the connection lantern ring in the power input shaft outside, the binder three is close to the one end fixed mounting of power input shaft has the carousel, the connection lantern ring with the snap ring has all been cup jointed to the outside of carousel, the equal fixed mounting of lower wall has the card on the inside of device casing, just the card with snap ring activity gomphosis, the connection lantern ring is close to the articulated a plurality of locking arms of installing of one end of carousel, the carousel is close to the terminal surface of the connection lantern ring has seted up the spout, just the equal slip of inside of spout has inlayed the slider, locking arm with slider activity hinge, the slider is close to the one end in the carousel centre of a circle installs spring two, the surface of power input shaft is equipped with friction line, locking arm is close to the cushion is installed to the terminal surface of friction line, just locking arm is under the horizontality cushion with the friction line is hugged closely, locking arm's excircle under the horizontality with the external diameter of connection lantern ring is unanimous, the outside slip of connection lantern ring of the binder of binder two and the friction line is closely laminated in the two outer side of the friction pads, the inner circle of slip lantern ring and the two outer side of the friction pads of the friction ring of the power input lantern ring and the friction ring is closely driven through the friction ring, the last joint of the friction arm, the friction ring of the two slip of the friction ring of the power input shaft and the friction ring, the friction arm closely the friction ring.

Preferably, the locking arm is composed of two sections, the two sections are connected in a sliding mode through a sliding rod, the purpose is that the overall length of the locking arm in the unfolding state and the folding state is different, and the locking arm can adapt to two groups of states by being arranged in two sections.

Preferably, reversing adjustment mechanism include fixed mounting in the breach lantern ring of device casing upper end, just the inside of the breach lantern ring slides and has inlayed spoon form piece two and spoon form piece one, spoon form piece two with spoon form piece one is crisscross distribution, spoon form piece two with fixed mounting has spring three between the spoon form piece one, spoon form piece one is kept away from the one end of spring three pass through splint with interior circular arc lantern ring one is fixed connection, the device casing is kept away from the one end fixed mounting of the breach lantern ring has the motor, just the threaded rod is installed through the shaft coupling to the output of motor, the threaded rod activity inlay in the inside of the breach lantern ring, just spoon form piece two with the threaded rod is thread engagement, spoon form piece one inside seted up can with the gliding through-hole of threaded rod, interior circular arc lantern ring two is close to spoon form piece two one end with fixed mounting has the extension spring between the device casing, and the extension spring aim at interior circular arc lantern ring two after being released, can reset and move it.

Preferably, displacement mechanism include fixed mounting in the sealed cylinder one and the sealed cylinder two at device casing top, the outside slidable mounting of combiner four has the curved bar of stirring, just the upper end of stirring the curved bar slide run through in the device casing, sealed cylinder two distribute in stir the left side end of curved bar, the inside slip of sealed cylinder two has inlayed piston rod two, just the right side end of piston rod two with stir curved bar activity laminating, sealed cylinder one distribute in the left side end of inner circular arc lantern ring one, just the inside slip of sealed cylinder one has inlayed piston rod one, sealed cylinder one with the intercommunication has the conveyer pipe between the left side end of sealed cylinder two, stir the bottom of curved bar and install reset assembly, wherein sealed cylinder one and sealed cylinder two and the inside of conveyer pipe all are annotated liquid.

Preferably, the reset assembly includes fixed mounting in four outside a plurality of the joint block are the protruding ball that the circumference distributes, just stir the right side terminal surface of curved bar with the protruding ball activity is laminated, four keep away from of joint block the one end fixed mounting of three of the joint block has the card post, just the card post slide inlay in power output shaft's inside, the card post is kept away from one end of four of the joint block is installed spring one, through the promotion to stirring the curved bar, can make four of the joint block and three separations of joint block.

Preferably, the inside of device casing still installs blast mechanism, blast mechanism include through frame plate fixed mounting in the inside airtight section of thick bamboo of device casing, just airtight section of thick bamboo distribute in the center part of device casing, the outside intercommunication of airtight section of thick bamboo has the one-way jet head of multiunit, airtight section of thick bamboo is close to telescopic bellows is installed to the one end of gear two, just the equal fixed mounting in both ends of telescopic bellows has the stripper disc, is close to one of airtight section of thick bamboo the outside fixed mounting of stripper disc has spacing, just spacing with the device casing is fixed connection, telescopic bellows with intercommunication has trachea one between the airtight section of thick bamboo, trachea two is installed to the lower extreme of trachea one, the last port of trachea two with telescopic bellows fixed intercommunication, just the lower port of trachea two runs through in the device casing, telescopic bellows keeps away from the promotion subassembly is installed to the one end of airtight section of thick bamboo, through the effect that promotes the subassembly, in the device operation process, can constantly face to its inner structure through the one-way jet head of a plurality of blowing.

Preferably, promote the subassembly including fixed cup connect in optical axis two with the promotion collets in the power output shaft outside, and two sets of promote the collets and be the symmetric distribution, keep away from one of them of airtight section of thick bamboo the extrusion disk outside fixed mounting has the push rod, just the both ends of push rod with promote the cambered surface activity laminating of collets, the side of push rod with the up end activity laminating of spacing, and fixed mounting has reset spring between two extrusion disks, two sets of promotion collets that are the symmetry and arrange can follow two synchronous reverse rotations of two sets of intermeshing's gears.

Preferably, the ventilation direction of the one-way air nozzle is one-way circulation from the airtight cylinder to the one-way air nozzle, the lower port of the second air pipe is provided with a one-way valve, the circulation direction of the one-way valve is one-way circulation from the second air pipe to the telescopic corrugated pipe, and the front end and the rear end of the device shell are both provided with ventilation grooves.

Preferably, the stiffness of the spring three is greater than the sum of the stiffness of the spring one and the stiffness of the springs two, so as to ensure that the spring three can push the inner arc lantern ring one and the piston rod one under the condition that the spoon-shaped block one is not pressed against the spoon-shaped block one.

Compared with the prior art, the invention has the beneficial effects that:

the spoon-shaped block I and the spoon-shaped block II can be switched between the locking states of the two groups of locking mechanisms through the movement of the motor to the spoon-shaped block I and the spoon-shaped block II, so that the power output shaft and the power input shaft can be in same-direction transmission or reverse transmission under the condition that the power input shaft does not stop rotating, the abrasion of a combiner can not be caused in the switching process, meanwhile, in the synchronous reverse rotation process of the power output shaft and the optical shaft II, the push rod can be continuously pushed through the lifting sleeve block, the one-way air nozzle can continuously blow the transmission parts in the device, and the cleaning and cooling effects can be achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention;

FIG. 3 is a schematic view of the internal structure of the housing of the apparatus of the present invention;

FIG. 4 is a schematic view of a circular spring according to the present invention;

FIG. 5 is a schematic view of the structure of the sliding block and the sliding groove of the present invention;

FIG. 6 is a schematic view of the structure of the airtight cylinder of the present invention;

FIG. 7 is a schematic view of the construction of a lift sleeve and a push rod according to the present invention;

FIG. 8 is a schematic structural view of a first spoon-shaped block and a second spoon-shaped block.

In the figure: 1-a device housing; 2-a ventilating groove; 3-a power input shaft; 4-optical axis one; 5-a power output shaft; 6-optical axis two; 7-gear one; 8-gear two; 9-binding member one; 10-linker two; 11-linker three; 12-binder four; 13-toggle curved bar; 14-inner circular collar one; 15-inner circular lantern ring II; 16-locking mechanism; 17-a blower mechanism; 18-a pushing assembly; 19-a displacement mechanism; 20-a reversing adjustment mechanism; 21-clamp column; 22-spring one; 23-a turntable; 24-friction lines; 25-a connecting collar; 26-a locking arm; 27-a tension spring; 28-a chute; 29-a slide block; 30-spring two; 31-airtight cylinder; 32-one-way showerhead; 33-trachea one; 34-trachea II; 35-bellows; 36-an extrusion disc; 37-a limiting frame; 38-a push rod; 39-lifting the sleeve block; 40-notched collar; 41-a motor; 42-threaded rod; 43-spoon-shaped block two; 44-spoon-shaped block one; 45-spring three; 46-sealing the first cylinder; 47-piston rod one; 48-a delivery pipe; 49-sealing cylinder two; and 50-a second piston rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, a positive-negative rotation conversion transmission device of a unit type gravure printing machine in the drawings comprises a device shell 1, a power input shaft 3, a first optical axis 4, a power output shaft 5 and a second optical axis 6, wherein the power input shaft 3 and the power output shaft 5 are rotatably installed inside the device shell 1, the first optical axis 4 and the second optical axis 6 are coaxial, the second optical axis 6 and the power output shaft 5 are fixedly sleeved with a second gear 8, the two gears 8 are mutually engaged, a connecting rod is rotatably embedded in the side wall of the device shell 1, the connecting rod, the first optical axis 4 and the power input shaft 3 are fixedly sleeved with a first gear 7, the three gears 7 are mutually engaged, one end of the first optical axis 4 extending into the device shell 1 is fixedly provided with a first binder 9, the outer side of the first binder 9 is engaged with a second binder 10, one end of the power output shaft 5 extending into the device shell 1 is provided with a fourth binder 12, and the outer side of the fourth binder 12 is engaged with a third binder 11; two groups of locking mechanisms 16 are arranged, the locking mechanisms 16 can enable the power output shaft 5 to perform reversing transmission, the two groups of locking mechanisms 16 are respectively arranged between the second combining part 10 and the second optical shaft 6 and between the third combining part 11 and the power input shaft 3, and the two groups of locking mechanisms 16 are arranged in a reverse direction; the reversing adjusting mechanism 20, the reversing adjusting mechanism 20 that can adjust the two groups of locking mechanisms 16, is installed at the upper end of the device shell 1, and a displacement mechanism 19 is installed between the reversing adjusting mechanism 20 and the locking mechanisms 16 distributed on one side of the power input shaft 3, wherein the outer diameters of the power input shaft 3, the first optical axis 4, the power output shaft 5 and the second optical axis 6 are the same.

Referring to fig. 4 and 5, in the drawings, the locking mechanism 16 includes a connecting sleeve ring 25 movably sleeved on the outer side of the power input shaft 3, a rotary table 23 is fixedly installed at one end of the combiner three 11 close to the power input shaft 3, snap rings are fixedly sleeved on the outer sides of the connecting sleeve ring 25 and the rotary table 23, a card is fixedly installed on the upper wall and the lower wall inside the device housing 1 and movably embedded with the snap rings, a plurality of locking arms 26 are hinged at one end of the connecting sleeve ring 25 close to the rotary table 23, a sliding groove 28 is formed on one end face of the rotary table 23 close to the connecting sleeve ring 25, a sliding block 29 is slidably embedded inside the sliding groove 28, the locking arms 26 are movably hinged with the sliding block 29, a second spring 30 is installed at one end of the sliding block 29 close to the center of the rotary table 23, friction grains 24 are arranged on the outer surface of the power input shaft 3, the cushion is installed to the face that the arm 26 of locking is close to friction line 24, and the cushion hugs closely with friction line 24 under the horizontality of arm 26 of locking, the circumcision circle of arm 26 under the horizontality is unanimous with the external diameter of the connection lantern ring 25, the outside slip of the connection lantern ring 25 cup joints interior circular arc lantern ring one 14, the outside slip of the connection lantern ring 25 that distributes between two combiners 10 and two 6 of optical axis has cup jointed interior circular arc lantern ring two 15, the upper end of interior circular arc lantern ring one 14 and interior circular arc lantern ring two 15 all slides and runs through in device casing 1, after the cushion of terminal surface closely laminated with friction line 24 under a plurality of arm 26 of locking, its both power input shaft 3 alright pass through frictional force drive three combiners 11 and rotate.

Referring to fig. 4, the locking arm 26 is shown as two segments slidably connected by a sliding rod, so that the locking arm 26 has different overall lengths in the unfolded and folded states, and can adapt to two states by being provided in two segments.

Referring to fig. 8, in the figure, the reversing adjustment mechanism 20 includes a notch lantern ring 40 fixedly installed at the upper end of the device casing 1, a spoon-shaped block two 43 and a spoon-shaped block one 44 are slidably embedded in the notch lantern ring 40, the spoon-shaped block two 43 and the spoon-shaped block one 44 are distributed in a staggered manner, a spring three 45 is fixedly installed between the spoon-shaped block two 43 and the spoon-shaped block one 44, one end, far away from the spring three 45, of the spoon-shaped block one 44 is fixedly connected with the inner arc lantern ring one 14 through a clamping plate, a motor 41 is fixedly installed at one end, far away from the notch lantern ring 40, of the device casing 1, a threaded rod 42 is installed at an output end of the motor 41 through a coupler, the threaded rod 42 is movably embedded in the notch lantern ring 40, the spoon-shaped block two 43 is in threaded engagement with the threaded rod 42, a through hole capable of sliding with the threaded rod 42 is formed in the spoon-shaped block one 44, a tension spring 27 is fixedly installed between one end, close to the spoon-shaped block two 43, and the device casing 1, and the tension spring 27 is used for restoring the purpose of the tension spring 27 after the inner arc lantern ring two 15 is pushed out.

Referring to fig. 5 and 8, the illustrated middle displacement mechanism 19 includes a first sealing cylinder 46 and a second sealing cylinder 49 fixedly mounted on the top of the device housing 1, the toggle curved rod 13 is slidably mounted on the outer side of the combiner four 12, the upper end of the toggle curved rod 13 slidably penetrates through the device housing 1, the second sealing cylinder 49 is distributed on the left side end of the toggle curved rod 13, a second piston rod 50 is slidably embedded in the second sealing cylinder 49, the right side end of the second piston rod 50 is movably attached to the toggle curved rod 13, the first sealing cylinder 46 is distributed on the left side end of the first inner arc collar 14, a first piston rod 47 is slidably embedded in the first sealing cylinder 46, a delivery pipe 48 is communicated between the first sealing cylinder 46 and the left side end of the second sealing cylinder 49, and a reset component is mounted at the bottom of the toggle curved rod 13, wherein liquid is filled in the first sealing cylinder 46, the second sealing cylinder 49 and the delivery pipe 48.

Referring to fig. 4 and 5, in the illustration, the reset assembly includes a plurality of circumferentially distributed convex balls fixedly mounted on the outer side of the clutch assembly four 12, and the right end face of the toggle curved rod 13 is movably attached to the convex balls, a clamping column 21 is fixedly mounted at one end of the clutch assembly four 12 far away from the clutch assembly three 11, the clamping column 21 is slidably embedded in the power output shaft 5, a first spring 22 is mounted at one end of the clamping column 21 far away from the clutch assembly four 12, and the clutch assembly four 12 and the clutch assembly three 11 can be separated by pushing the toggle curved rod 13.

The working principle that the bond can be matched or separated without stopping the machine is that: in an initial state, the locking arms 26 distributed between the power input shaft 3 and the third combining element 11 are in a locking state, namely the power input shaft 3 can drive the third combining element 11 to rotate through the friction force between the rubber mat and the friction grains 24, the power output shaft 5 is enabled to synchronously rotate through the meshing of the third combining element 11 and the fourth combining element 12, the locking arms 26 distributed between the second combining element 10 and the second optical axis 6 are in an opening state, and in the state, the rotation of the second combining element 10 cannot drive the second optical axis 6 to rotate through the friction force, namely the second combining element 10 idles;

when the power input shaft 3 does not stop rotating and the power output shaft 5 needs to be subjected to reversing transmission, the threaded rod 42 is used for driving the spoon-shaped block two 43 to move towards the power input shaft 3 through the control motor 41, the spoon-shaped block one 44 can be driven to move through the spring three 45 in the moving process, the spoon-shaped block one 44 with the spring three 45 can firstly push the inner arc lantern ring one 14 distributed on one side of the power input shaft 3 under the action of the spring three 45, the purpose is to enable the inner arc lantern ring one 14 not to be sleeved with the locking arm 26, the locking arm 26 can be instantly unfolded under the action of the spring two 30 at the moment that the inner arc lantern ring one 14 is just separated from the locking arm 26, the rubber pad at the lower end of the unfolded locking arm 26 is not contacted with the friction grains 24 any more, at the moment, the power input shaft 3 cannot drive the combined part three 11 to rotate, and the power input shaft 3 idles;

when the first inner arc lantern ring 14 is separated from the locking arm 26 and continues to slide at a moment, the first piston rod 47 can be pushed, liquid in the first sealing cylinder 46 is conveyed to the inside of the second sealing cylinder 49 through the conveying pipe 48, the second piston rod 50 is ejected out, the toggle curved rod 13 can be pushed in the ejection process of the second piston rod 50, the toggle curved rod 13 moves the fourth connector 12 through the convex ball in the moving process, the fourth connector 12 is separated from the third connector 11, and meanwhile, the first spring 22 is compressed;

after the four couplers 12 and the three couplers 11 are separated, namely the first piston rod 47 moves to the maximum value, and at this time the first spoon-shaped block 44 cannot move any more, at this time the second spoon-shaped block 43 just contacts with the second inner arc lantern ring 15, under the continuous transmission of the threaded rod 42, the third spring 45 starts to compress, and the maximum compression amount of the third spring 45 is the maximum displacement amount of the second inner arc lantern ring 15, when the second inner arc lantern ring 15 moves to furl a plurality of locking arms 26 distributed on the outer side of the second optical axis 6, the locking arms 26 can contact with the friction grains 24, at this time, the transmission of the first optical axis 4 can drive the second optical axis 6 to transmit through the second couplers 10, wherein the first optical axis 4 and the power input shaft 3 rotate in the same direction, and when the second optical axis 6 rotates the power output shaft 5 through the two sets of gears 8 meshed with each other, the power output shaft 5 and the power input shaft 3 rotate in the opposite direction, at this time, the forward and backward adjustment of the power output shaft 5 can be realized under the condition that the abrasion of the couplers is not caused and the power input shaft 3 stops;

the purpose of separating the fourth coupling member 12 from the third coupling member 11 is to reduce the burden on the optical axis two 6 when the power output shaft 5 is rotated.

Example 2

Referring to fig. 3 and 6, in this embodiment, as to embodiment 1, a blower mechanism 17 is further installed inside the device housing 1, the blower mechanism 17 includes an airtight cylinder 31 fixedly installed inside the device housing 1 through a frame plate, the airtight cylinder 31 is distributed at a central portion of the device housing 1, a plurality of sets of unidirectional air nozzles 32 are communicated with an outer side of the airtight cylinder 31, a telescopic bellows 35 is installed at one end of the airtight cylinder 31 close to the second gear 8, two ends of the telescopic bellows 35 are fixedly installed with a pressing disc 36, a limiting frame 37 is fixedly installed at an outer side of one of the pressing discs 36 close to the airtight cylinder 31, the limiting frame 37 is fixedly connected with the device housing 1, a first air pipe 33 is communicated between the telescopic bellows 35 and the airtight cylinder 31, a second air pipe 34 is installed at a lower end of the first air pipe 33, an upper port of the second air pipe 34 is fixedly communicated with the telescopic bellows 35, a lower port of the second air pipe 34 penetrates through the device housing 1, a plurality of unidirectional air nozzles 32 are installed at one end of the telescopic bellows 35, and the inner portion of the air nozzles are continuously blown by the action of the pushing assembly 18 during operation of the device.

Referring to fig. 6 and 7, in the drawings, the pushing assembly 18 includes two lifting blocks 39 fixedly sleeved on the outer sides of the second optical axis 6 and the power output shaft 5, and the two groups of lifting blocks 39 are symmetrically distributed, a push rod 38 is fixedly mounted on the outer side of one of the extrusion discs 36 far away from the airtight cylinder 31, two ends of the push rod 38 are movably attached to the arc surface of the lifting block 39, the side surface of the push rod 38 is movably attached to the upper end surface of the limiting frame 37, a return spring is fixedly mounted between the two extrusion discs 36, and the two groups of symmetrically arranged lifting blocks 39 can synchronously and reversely rotate along with the two groups of gears 8 which are meshed with each other.

Referring to fig. 6, in the figure, the ventilation direction of the one-way air nozzle 32 is the one-way flow from the air-tight cylinder 31 to the one-way air nozzle 32, the lower port of the air pipe two 34 is provided with a one-way valve, the flow direction of the one-way valve is the one-way flow from the air pipe two 34 to the telescopic bellows 35, and the front end and the rear end of the device shell 1 are both provided with the ventilation grooves 2.

In this embodiment: two 6 and the power output shaft 5 of optical axis drive two promotion sleeve blocks 39 synchronous antiport in-process, can impel push rod 38 simultaneously, cooperate the reset spring between two extrusion discs 36, alright make the flexible of flexible bellows 35 continuation, at flexible in-process at every turn, the homoenergetic is bloied toward the inside transmission structure part of device casing through a plurality of one-way nozzle 32, the purpose of blowing is, transmission structure part can heat up because of the existence of friction minim in the operation process, it just can cool down the processing to transmission structure part to blow, and because of the reason of various material formes in the printing factory, there are a large amount of tiny paper fibre or plastic fiber in the printing factory inner space, a lot of tiny fiber all can get into the inside of device casing 1, through the inside of continuation blowing, can be discharged tiny fiber from the inside of device casing 1 through ventilative groove 2, in order to avoid the pile of the inside tiny fiber of device casing 1 to crowd, influence transmission's performance.

Example 3

Referring to fig. 4, 5 and 8, the present embodiment further illustrates that the stiffness of spring three 45 is greater than the sum of the stiffness of spring one 22 and the plurality of springs two 30 for other embodiments.

In this embodiment: so as to ensure that the spring three 45 can push the inner arc lantern ring one 14 and the piston rod one 47 under the condition of not being compressed when the spoon-shaped block one 44 is not pressed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positive reverse conversion transmission of unit formula gravure press, include device casing (1) and rotate install in power input shaft (3), optical axis (4), power output shaft (5), optical axis two (6) inside device casing (1), power input shaft (3) with power output shaft (5) are with the axle center, just optical axis one (4) with optical axis two (6) are with the axle center, optical axis two (6) with the outside of power output shaft (5) is all fixed gear two (8) of having cup jointed, and two gear two (8) intermeshing, the lateral wall of device casing (1) rotates and has inlayed the connecting rod, just the connecting rod with optical axis one (4) and the outside of power input shaft (3) is all fixed gear one (7) of having cup jointed, and three gear one (7) intermeshing, its characterized in that: one end, extending into the device shell (1), of the optical axis I (4) is fixedly provided with a first connector (9), the outer side of the first connector (9) is meshed with a second connector (10), one end, extending into the device shell (1), of the power output shaft (5) is provided with a fourth connector (12), and the outer side of the fourth connector (12) is meshed with a third connector (11);

the locking mechanisms (16) can enable the power output shaft (5) to perform reversing transmission, two groups of locking mechanisms (16) are arranged, the two groups of locking mechanisms (16) are respectively arranged between the second combined part (10) and the second optical axis (6) and between the third combined part (11) and the power input shaft (3), and the two groups of locking mechanisms (16) are arranged in a reverse direction;

the reversing adjusting mechanism (20) is used for adjusting the two groups of locking mechanisms (16), the reversing adjusting mechanism (20) is arranged at the upper end of the device shell (1), and a displacement mechanism (19) is arranged between the reversing adjusting mechanism (20) and the locking mechanisms (16) distributed on one side of the power input shaft (3);

locking mechanism (16) including the activity cup joint in the connection sleeve ring (25) in power input shaft (3) outside, three (11) of binder are close to the one end fixed mounting of power input shaft (3) has carousel (23), connection sleeve ring (25) with the snap ring has all been fixed cup joint in the outside of carousel (23), the equal fixed mounting of lower wall has the card on the inside of device casing (1), just the card with snap ring activity gomphosis, connection sleeve ring (25) are close to the articulated arm (26) of installing of one end of carousel (23), carousel (23) are close to spout (28) have been seted up to the terminal surface of connection sleeve ring (25), just the inside of spout (28) all slides and has inlayed slider (29), locking arm (26) with slider (29) activity hinge joint, slider (29) are close to the one end of carousel (23) installs spring two (30), the surface of power input shaft (3) is equipped with rubs line (24), locking arm (26) are close to rub line (24) one end install the line pad (24), rub level and rub pad (26) and glue the outer diameter level and fill up the connection sleeve ring (26) and rub line level under the connection sleeve ring (24), an inner arc lantern ring I (14) is sleeved on the outer side of the connecting lantern ring (25) in a sliding mode, an inner arc lantern ring II (15) is sleeved on the outer side of the connecting lantern ring (25) distributed between the combiner II (10) and the optical axis II (6) in a sliding mode, and the upper ends of the inner arc lantern ring I (14) and the inner arc lantern ring II (15) penetrate through the device shell (1) in a sliding mode;

reversing adjustment mechanism (20) including fixed mounting in breach lantern ring (40) of device casing (1) upper end, just the inside slip of breach lantern ring (40) has inlayed spoon form piece two (43) and spoon form piece (44), spoon form piece two (43) with spoon form piece (44) are staggered distribution, spoon form piece two (43) with fixed mounting has spring three (45) between spoon form piece (44), spoon form piece (44) are kept away from the one end of spring three (45) pass through splint with interior circular arc lantern ring one (14) are fixed connection, device casing (1) is kept away from the one end fixed mounting of breach lantern ring (40) has motor (41), just threaded rod (42) is installed through the shaft coupling to the output of motor (41), activity inlay in the inside of breach lantern ring (40), just spoon form piece two (43) with threaded rod (42) are thread engagement, the inside of spoon form piece one (44) seted up can with threaded rod (42), the through-hole of interior circular arc slip lantern ring (43) is close to the through-hole of extension spring (15) between two fixed mounting of extension spring (27) arc piece (27).

2. The recto-verso conversion transmission of a unit-type intaglio printing press according to claim 1, characterized in that: the locking arm (26) consists of two sections which are connected in a sliding way through a sliding rod.

3. The recto-verso conversion transmission of a unit-type intaglio printing press according to claim 1, characterized in that: the displacement mechanism (19) comprises a first sealing barrel (46) and a second sealing barrel (49) which are fixedly mounted at the top of the device shell (1), a toggle rod (13) is slidably mounted on the outer side of the fourth combiner (12), the upper end of the toggle rod (13) is slidably penetrated through the device shell (1), the second sealing barrel (49) is distributed at the left end of the toggle rod (13), a second piston rod (50) is slidably embedded in the second sealing barrel (49), the right end of the second piston rod (50) is movably attached to the toggle rod (13), the first sealing barrel (46) is distributed at the left end of the first inner arc lantern ring (14), a first piston rod (47) is slidably embedded in the first sealing barrel (46), a conveying pipe (48) is communicated between the first sealing barrel (46) and the left end of the second sealing barrel (49), and a reset component is mounted at the bottom of the toggle rod (13).

4. The recto-verso conversion transmission of a unit-type intaglio printing press according to claim 3, characterized in that: reset assembly includes fixed mounting in four (12) outside a plurality of combiners are the protruding ball that the circumference distributes, just stir the right side terminal surface of curved bar (13) with the laminating of protruding ball activity, four (12) of combiners are kept away from the one end fixed mounting of three (11) of combiners has calorie post (21), just card post (21) slide inlay in the inside of power output shaft (5), keep away from card post (21) spring one (22) is installed to the one end of four (12) of combiners.

5. The direct-reverse conversion transmission device of a unit-type intaglio printing press according to claim 1, characterized in that: air-blast mechanism (17) are still installed to the inside of device casing (1), air-blast mechanism (17) include through frame plate fixed mounting in the inside airtight section of thick bamboo (31) of device casing (1), just airtight section of thick bamboo (31) distribute in the central point of device casing (1), the outside intercommunication of airtight section of thick bamboo (31) has one-way jet head of multiunit (32), airtight section of thick bamboo (31) are close to telescopic bellows (35) are installed to the one end of gear two (8), just the equal fixed mounting in both ends of telescopic bellows (35) has crushing disk (36), is close to one of them of airtight section of thick bamboo (31) the outside fixed mounting of crushing disk (36) has spacing (37), just spacing (37) with device casing (1) is fixed connection, telescopic bellows (35) with the intercommunication has trachea one (33) between airtight section of thick bamboo (31), trachea two (34) are installed to the lower extreme of trachea one (33), the upper end mouth of trachea two (34) with telescopic bellows (35) fixed connection, and trachea one end intercommunication is in two airtight section of thick bamboo subassemblies (18) promote bellows one end.

6. The direct-reverse conversion transmission device of a unit-type intaglio printing press according to claim 5, characterized in that: promote subassembly (18) including fixed cup connect in optical axis two (6) with promotion sleeve block (39) in power output shaft (5) outside, and two sets of promote sleeve block (39) and be the symmetric distribution, keep away from one of them of airtight cylinder (31) extrusion disk (36) outside fixed mounting has push rod (38), just the both ends of push rod (38) with the laminating of the cambered surface activity of promoting sleeve block (39), the side of push rod (38) with the up end activity laminating of spacing frame (37), and fixed mounting has reset spring between two extrusion disks (36).

7. The direct-reverse conversion transmission device of a unit-type intaglio printing press according to claim 5, characterized in that: the ventilation direction of the one-way air nozzle (32) is one-way circulation from the airtight cylinder (31) to the one-way air nozzle (32), the lower port of the second air pipe (34) is provided with a one-way valve, the circulation direction of the one-way valve is one-way circulation from the second air pipe (34) to the telescopic corrugated pipe (35), and the front end and the rear end of the device shell (1) are both provided with ventilation grooves (2).

8. The recto-verso conversion transmission of a unit-type intaglio printing press according to claim 1, characterized in that: the stiffness of the spring three (45) is greater than the sum of the stiffness of the spring one (22) and the plurality of springs two (30).