CN102407658B - Device for powdering sheets in printer - Google Patents
Device for powdering sheets in printer Download PDFInfo
- Publication number
- CN102407658B CN102407658B CN201110250970.3A CN201110250970A CN102407658B CN 102407658 B CN102407658 B CN 102407658B CN 201110250970 A CN201110250970 A CN 201110250970A CN 102407658 B CN102407658 B CN 102407658B
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- China
- Prior art keywords
- powder
- room
- head piece
- locking device
- goes out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/06—Powdering devices, e.g. for preventing set-off
Abstract
The device has a storage device (2) for storing powder and comprising two chambers (7, 8) for gravitational force conveyance of two stocks (28, 29) of the powder, respectively. A closure element (11) is rotatable around a middle axis i.e. valve axis, for closing and opening a drain of one of the chambers, formed as a ring and forms rotary valve. A dosing device (3) is provided for dosing the powder, and a spray device (4) is provided for spraying the powder. The dosing device is arranged in a conveying direction (30) of the powder between the storage device and spray device. The characteristic of the powdering device is that the closure element (11) is a ring.
Description
Technical field
The present invention relates to a kind of in printing machine to the equipment of page spreading powder, it comprises the storage device for storing powder, described storage device has the first Room and the second Room, described first Room has first and goes out head piece, described first go out head piece for powder the first deposit first go out the gravity transfer that head piece carries out through this, described second Room is used for the second deposit of powder, wherein, exists and is used for closing the locking device that described first goes out head piece.This equipment also has the metering device for measuring described powder and the injection apparatus for spraying described powder, and wherein, described metering device is arranged between described storage device and described injection apparatus along the throughput direction of described powder.
Background technology
That powder to tend in apotheca bonding and sintering spreading long-term Problems existing in powder apparatus.In order to overcome this point, develop different counter-measures.
In DE 198 58 484 C2, describe one spread powder apparatus, wherein, bonding should be avoided by means of heating core.
In DE 198 36 013 A1, describe one spread powder apparatus, wherein, the bonding should avoiding powder on apotheca inwall by means of the crown block extending into indoor and the formation of so-called powder bridge.
In DE 42 37 111 B4, describe one spread powder apparatus, wherein, collection funnel is set below funnel shaped storage device.What described storage device had discharge conection form on its lower end goes out head piece.The metering device of oscillating plate form is set below described discharge conection.Described metering device is arranged between funnel shaped storage device and collection funnel along the throughput direction of powder.Powder remains in fluidised form by means of the mixing arm be arranged in storage device.Described mixing arm is driven by motor.The described powder apparatus that spreads is disadvantageous in the storage of large powder capacity.This large powder capacity needs large mixing power and the strong motor of corresponding driving force.The motor met this requirement requires relatively many structure spaces and has relatively high energy requirement.
Summary of the invention
Task of the present invention be to provide a kind of be suitable for Large Copacity deposit spread powder apparatus.Task of the present invention is particularly, provides one to spread powder apparatus, wherein, and pre-anti-stick in an efficient way.
Described task is solved by the equipment with feature of the present invention.
According to the present invention, propose a kind of in printing machine to the equipment of page spreading powder, it comprises the storage device for storing powder, described storage device has the first Room and the second Room, described first Room has first and goes out head piece, described first go out head piece for powder the first deposit first go out the gravity transfer that head piece carries out through this, described second Room is used for the second deposit of powder, wherein, exist for closing the locking device that described first goes out head piece.In addition, equipment of the present invention comprises the metering device for measuring described powder and comprises the injection apparatus for spraying described powder, and wherein, described metering device is arranged between described storage device and described injection apparatus along the throughput direction of described powder.In the apparatus of the present: invention, described locking device is configured to ring.
Go out head piece to first and configure described locking device, described first can be closed by means of this locking device and go out head piece, to forbid that the powder of the first deposit is transferred going out head piece through described first.Described locking device is the component different from previously mentioned metering device.
At this, described locking device is configured to ring.Described ring can be circle, oval or polygonal is such as tetragonal.When clean, two acerous shapes (circular and oval) are favourable getting rid of in residual powder.Circular ring can manufacture especially simply with the shape of pipeline section.
The present invention is based on following knowledge: the static pressure of the powder of storage and the compacting caused thus are the reasons of bonding.By described knowledge, have found solution, described solution is: the total deposit stored is divided into multiple point deposit spaced at least in part, i.e. the first deposit and the second deposit.
Described division allows the capacity improving always deposit when not improving bonding and being dangerous.This is to spread that powder apparatus is applied in in the printing machine with high page specification and corresponding high powder consumption be favourable by described.
Another advantage is, need not there is the motor of mixing arm and the described mixing arm of driving.Not only can save structure space by the described possible cancellation of described component, and can energy be saved and simplify the structure in addition.
The favourable further scheme of apparatus of the present invention is provided in other describe.
In a further scheme, to described locking device configuration locking bolt, described locking bolt is used for that described locking device is remained on closed described first and goes out in the position of head piece.Described locking bolt can be slippage locking bolt, and described slippage locking bolt can from the position of its fixing described locking device in slippage to the position of the described locking device of release or conversely.Described locking bolt equally also can be swing locking bolt, and described swing locking bolt can to swing in the position of not locking device described in locking or conversely from the position of locking device described in its locking.Described swing locking bolt is particularly advantageous and can has turning joint or flexure hinge for this reason being applied in in the atmosphere loading powder.Turning joint resists blocking of being caused by dirt well, and flexure hinge then gets rid of this blocking completely.
In another further scheme, configure at least one back-moving spring to described locking device, described back-moving spring is used for described locking device to be adjusted to be opened described first and goes out in the position of head piece.After described locking device unlocks, the release first that described locking device pushed back or be withdrawn into this locking device from its closed first position going out head piece goes out the position of head piece by least one back-moving spring described.Replace using unique back-moving spring ground, also can use one group of back-moving spring, wherein, when locking device annular is formed, the back-moving spring of described groups of springs preferably distributes equably along the circumference of closed-loop.
In another further scheme, described first Room surrounds described second Room circlewise.At this, described second Room can extend in described first Room.Such as, the first Room and the second Room can arrange coaxially and observe along its public geometrical axis and overlap each other or partially overlap.
In another further scheme, described first Room is connected setting with cascade each other with described second Room.The powder going out head piece through first from the first Room arrives and is connected to second Room in the first downstream, Room.Accordingly, described first goes out head piece and is passed in described second Room.At least one section of described second Room is arranged on described first Room and described first and goes out below head piece, and this is favourable in the gravity transfer of powder.When gravity transfer, powder to flow into from the first Room voluntarily the second Room due to its weight and not necessarily have to need the conveying device such as conveying worm for being transported to from the first Room by powder the second Room.
In another further scheme, have second go out head piece and head piece will be gone out to second to configure to the second Room.Described second goes out head piece goes out from the second Room through second the gravity transfer that head piece carries out for described powder.
In another further scheme, described locking device is rotary valve.
In another further scheme, described locking device can rotate around an axis to open and close the described first object going out head piece.Described axis is the public axis of valve axis and described first Room, described second Room and described locking device.
In another further scheme, the first Room and the second Room are connected to each other in this wise or are coupled, and they jointly can be taken out from machine by the object of operating personnel temporarily such as in order to safeguard.
Belong to of the present invention and also have a kind of printing machine, it is equipped with at least one and spreads powder apparatus, described in spread powder apparatus and equipment of the present invention and correspondingly or with one of further scheme of present device correspondingly form.The described powder apparatus that spreads preferably is arranged in the page paper receiver of printing machine.Page is by means of press printing and/or glazing and then spread powder apparatus spreading powder by means of integrated.
Accompanying drawing explanation
By drawing in other structure of the present invention preferred embodiment and the description of the drawings below and functionally favourable further scheme.Wherein:
Fig. 1 is the powder unit with lower room and upper room, and described lower room and upper room are filled with powder,
Fig. 2 is in the powder unit in a state, and in a state in which, the powder in lower room is depleted,
Fig. 3 is the powder unit be in operation conditions, and in this operation conditions, powder flows in lower room from upper room,
Fig. 4 a-4d is the sequence of motion of the locking system of powder unit,
Fig. 5 is a remodeling of locking system,
Fig. 6 is the change as locking device, for replacing the slippage ring in Fig. 1,
Fig. 7 a and 7b is the different rotary position of the change in Fig. 6.
Detailed description of the invention
The Local map of printing machine 1 shown in Fig. 1.This printing machine 1 is the page printer for offset lithography.This Local map illustrates the powder unit of printing machine 1.Described powder unit comprises storage device 2, stores the powder being used for page 27 being carried out to spreading in this storage device.In addition, described powder unit comprises metering device 3, carrys out the powder of self-storing mechanism 2 by means of described metering device metering.Injection apparatus 4 is for being ejected into powder-air mixture one after the other in the page 27 of injection apparatus 4 side process.Described injection apparatus 4 comprises the injection nozzle be not shown specifically, and described injection nozzle is arranged on one or more playpipe or jet rod.
Described storage device 2 comprises the second deposit 29 that first deposit the 28, second Room that the first Room 7 and the second Room, Room 8, first have a powder has powder.Described two rooms 7,8 have public axis 31 and at least form respective bottom upper hopper shape respectively.Be in the first outside Room 7 and surround the upper curtate being in the second inner Room 8.First Room 7 does not surround the lower curtate of the second Room 8.In the region of the upper curtate of the second Room 8---namely in the region of the axial overlap of two rooms 7,8, described two rooms 7,8 are spaced by partition wall 6.The outer wall of described partition wall 6 and described room 7,8 can multi-piece type ground or jointly single type ground form.According to the first flexible program, the lower curtate of the second Room 8 and described partition wall 6 are formed by same pipe, and wherein, described pipe is inserted in the pipe of a much thick outer wall, that form the first Room 7, wherein, these two pipes are formed respectively on respective bottom carbon fiber.According to the second flexible program, lower curtate and described first Room 7 of the second Room 8 have public housing 5 as outer wall, and described housing has the shape of the pipe being provided with halfpace.The ring roughly the same with the diameter of the thin segment of described pipe can be used as partition wall 6 and is inserted in the thick section of described pipe.Shown in figure is the second flexible program.The difference of the 3rd flexible program and the second flexible program is only, described housing 5 and partition wall 6 such as by means of injection moulding method with a part manufacture.
Shown in accompanying drawing, housing 5 has the side be open upwards, and it is for be filled into powder in storage device 2 and then by means of the cap covers be not shown specifically in figure.First Room 7---exactly on the end on the funnel inclined-plane of the first Room 7---has at least one on its lower end and first goes out head piece 9, powder 26 by described go out head piece flow into the second Room 8 from the first Room 7, as shown in Figure 3.First goes out through hole that head piece 9 extends along the circumference of described partition wall 6 by a row or through slot is formed, and described through hole or through slot are processed in partition wall 6.According to another not shown flexible program, the lower limb of annular and separation wall 6 does not contact with all the other walls of storage device 2 unlimitedly on its whole circumferential length, thus makes first to go out head piece 9 to consist of the annulus 360 ° Di extended between the funnel inclined-plane of the first Room 7 and described lower limb.In this flexible program, the partition wall 6 of annular is kept by spoke-like support member, and described support member extends between the excircle and the inner periphery of described housing 5 of described partition wall.Second Room 8 has second on its lower end and goes out head piece 10, goes out head piece and flow out from the second Room 8 and can trickle in the funnel-shaped container 16 of metering device 3 with the form of free jet described in powder passes through.
In order to form stop valve, going out head piece 9 to first and configuring at least one first locking device 11, first can be blocked by means of this locking device and go out head piece 9 and flow into the second Room 8 to prevent powder from going out head piece 9 from the first Room 7 through first.In an illustrated embodiment, first locking device 11 is configured to ring and is mounted on partition wall 6, described partition wall is used as linear guide, and that carries out for guiding the vertical axis along storage device 2 of the first locking device 11 when opening and closing first go out head piece 9 moves.The movement clearance formed by the excircle of described partition wall 6 and the inner periphery of described first locking device 11 should determine size like this, make on the one hand to go out substantially not have powder head piece 9 is closed and flow into the second Room 8 by described movement clearance from the first Room 7 when first, avoid described powder to cling in described movement clearance inside and thus cause the first locking device 11 stuck on the other hand.It is inner that described first locking device 11 is arranged on the first Room 7.According to another not shown flexible program, it is inner that the first locking device 11 can not be arranged on the first Room 7, but it is inner to be placed on the second Room 8.Accordingly, the first locking device 11 can be inserted in partition wall 6 or instead be inserted in the thin hypomere of described housing 5.When in the end, the inner peripheral surface of tubular lower house section is used as the linear guide of the first locking device 11 and the motion that the release first of the first locking device 11 goes out head piece 9 is carried out downwards.
In the embodiments illustrated in the figures, the motion that the release first of the first locking device 11 goes out head piece 9 is upwards carried out and this moves through back-moving spring 25 and drives.Described back-moving spring 25 is the extension spring of spiral wound and the covering first being tensioned to this locking device when adjustment the first locking device 11 goes out (see Fig. 1 and 2) in the position of head piece 9.When the first locking device 11 upwards regulates from described covering position, described back-moving spring 25 unloads again.The coil of described back-moving spring 25 should have enough large diameter and enough large pitch and spring wire should be enough thin, thus make powder can reveal described back-moving spring 25.But described back-moving spring 25 should determine size like this, its resistance can resisting the powder surrounding it is made to make the first locking device 11 reset and be squeezed by powder at this.In other words: must consider when selecting back-moving spring 25, the powder be between back-moving spring coil does not hinder the tension of back-moving spring 25.Under this viewpoint, can consider to use the spring such as ductile rubber strip or rubber strip of non-helical to replace extension spring as back-moving spring 25 as back-moving spring 25 or with stage clip.In an illustrated embodiment, corresponding back-moving spring 25 to be suspended on a pin being inserted in partition wall 6 by one end thereof and to be suspended on a pin being inserted into the first locking device 11 with its other end.
There is a locking device, the first locking device 11 keeps and is fixed on it closing first and going out in the position of head piece 9 by the tension force of described locking device opposing back-moving spring 25.Locking bolt 14 belongs to described locking device, and it is outside that described locking bolt is bearing in the first locking device 11.In addition, latch elements 15 also belongs to described locking device, this latch elements to be arranged on the first locking device 11 and this latch elements when locking and described locking bolt 14 coordinate.In the simplest situations, described latch elements 15 can be the hole of processing in the first locking device 11, and described locking bolt 14 is rabbeted in this hole.In an illustrated embodiment, latch elements 15 is the projections such as in pin or screw-type be fixed on the first locking device 11, and described projection is overlapped when locking by described locking bolt 14 or hooked.
Illustrate in fig .4, described locking bolt 14 to be bearing in swingably in hinge 21 and to be provided with lozenges 24.Illustrate in fig. 4b, due to the motion of the first locking device 11, latch elements 15 to be pressed onto when closing first and going out head piece 9 on the lozenges 24 on locking bolt 14 and described locking bolt is squeezed by described latch elements 15 at this.The closing motion carried out downwards of the first locking device 11 by operating personnel manually and causing to the movement carried out before storage device 2 powder filler at this first locking device 11.In the further process of the closing motion of this first locking device 11, locking bolt 14 end of its hook-type snaps onto in latch elements 15, thus make to stop the first locking device in the latched position shown in Fig. 4 c of the locking bolt 14 snapped in otherwise moving upward of being caused by back-moving spring 25.Illustrate in figure 4d, locking bolt 14 arranges handle 22, locking bolt 14 can pull out, to remove locking by means of this handle by operating personnel from the interlocking that it is scarfed to latch elements 15 coordinates.In the simplest situations, described handle 22 can be one section of steel wire or analog.After releasing locking, back-moving spring 25 makes the first locking device 11 go out the position that head piece 9 overlaps to move out from it with first, from and discharge this and go out head piece and powder can flow through described first goes out head piece 9.In figure 4d with arrow schematically provide the first locking device 11 caused by back-moving spring 25 close the first position going out head piece 9 from it and first go out motion the position of head piece 9 to opening of this first locking device 11.The power be applied to by handle 22 by operating personnel when unlocking on locking bolt 14 is shown with another arrow in figure 4d.Configure a spring can to described locking bolt 14, described spring described locking bolt to be remained in its lock position (see Fig. 4 c) and the spring action that described locking bolt 14 can resist described spring moves out from described lock position.
The remodeling of locking device shown in Figure 5, wherein, locking bolt 14 is not manually but flexibly moves.The servo-driver 23 be connected with locking bolt 14 such as can be configured to so-called magnetic relay, and locking bolt 14 pulls out by it from the position of locking first locking device 11 of this locking bolt.In other respects, the remodeling shown in Fig. 5 is corresponding to the locking device shown in Fig. 4 a to 4d.
In addition illustrate in FIG, go out head piece 10 (see Fig. 2) configure the second locking device 12 to second, this second locking device is used for temporary enclosed second and goes out head piece 10.This second locking device 12 can be configured to slidingtype locking device and be configured to closing flap in an illustrated embodiment.For this reason, this second locking device 12 can towards described go out head piece and go out head piece described in leaving and be swingingly bearing in hinge 13.
Metering roll 17 is set in the container 16 of metering device 3, described metering roll stands one and trickles to the powder pillar container 16 from storage device 2.Described post is in the funnel shaped upper curtate of container 16.Described funnel shaped upper curtate has the bottom of shrinking, and another section of container 16 is connected on described bottom, and another section described has the wall bent adaptedly with metering roll 17.Be arranged on metering roll 17 in last described section (so-called pump chamber or rotating room) and form a narrow positions together with the equidistant wall of this metering roll 17, powder is carried downwards through described narrow positions by described metering roll 17.Described narrow positions has the shape of semicircular annular gap substantially.The rotation of metering roll 17 schematically shows with arrow in FIG.Powder is transported in another section of described container 16 by described metering roll 17, and another section described is such as formed by the pipe be connected in described rotating room.Powder arrives in distributor 18 via described section (pipe), and described distributor has pressure air feedway 19 and powder utilizes the pressure air from described pressure air feedway 19 to be mixed into powder-air mixture described in this distributor.Described powder-air mixture flow in injection apparatus 4 via pipe-line system 20, described powder-air mixture outputs in described page with the conveying rhythm of the page 27 of process by described injection apparatus, to carry out spreading to page surface and to avoid the fresh printing figure message set-off in page 27 when stacking page.Described pipe-line system 20 can be consisted of flexible pipe.In distributor 18, the powder-air mixture produced is assigned on the flexible pipe of described pipe-line system 20 equably.Described powder flows through metering device 3, distributor 18 and pipe-line system 20 along the powder throughput direction 30 schematically shown from storage device 2 at it to the path of injection apparatus 4.
Shown system works as follows: when storage device 2 is not yet filled, and the first locking device 11 is passed downwards by operating personnel, until locking bolt 14 snaps in and closes described first at this first locking device 11 go out head piece 9.Before this or afterwards, manually or flexibly make the second locking device 12 swing in the position shown in its Fig. 1, in this position, this second locking device 12 is closed described second and is gone out head piece 10.Then, first and second of two powder the deposits 28 and 29 are filled in two rooms 7,8.When described two rooms 7,8 are substantially fully filled with powder respectively, be in the level of the powder pillar in the second Room 8 or " powder position " (to be similar to the address of " liquid level ") is in the top of the powder position of the powder pillar in the first Room 7 or preferably below or two powder positions are on identical height.Advantageously, the first deposit 28 has and lays in 29 roughly the same capacity with second.
In order to start printing operation, second locking device 12 is swung open from opening 10, thus powder, i.e. the second deposit 29 in making only the second Room 8 can go out head piece 10 through second trickles lentamente in metering device 3, and metering device 3, distributor 18 and injection apparatus 4 are started.
If the second deposit 29 exhausts (as shown in Figure 2) completely or reaches predetermined minimum flow in printing operation, then get loose locking bolt 14.First locking device 11 is back moved to and is opened first and go out in the position of head piece 9 by back-moving spring 25 thus, thus make the first deposit 28 can go out head piece 9 and flow in the second Room 8 through first, to replace or to supplement the second deposit 29 exhausted wholly or in part, as shown in Figure 3.The described waterfall of the second Room fall formula (tandem type) recharge period, second go out head piece 10 can by means of the second locking device 12 temporarily keep close (as shown in Figure 3) or keep open wide.In both cases, printing operation can fall during formula (tandem type) recharges at described waterfall and run without interruption, does not need very many time and be in during this time interval in amount, enough to maintain printing operation as the powder deposit in the container 16 of intermediate storage because this recharges.
Some remodeling are finally also proposed.Back-moving spring 25 and locking device can be cancelled and the first locking device 11 moves to open and close first in the two directions by means of servo-driver such as electric screw gear drive goes out head piece 9 in a remodeling.
In another remodeling (illustrate partly in Fig. 6 to 7b this another remodeling), first locking device 11 can not move along partition wall 6 to open and close the first object going out head piece 9, but can rotate around the axis 31 of partition wall 6 relative to this partition wall.At this, first goes out head piece 9 is consisted of the second throughbore in the circumference of the first locking device 11 of annular of row's first throughbore of processing in the circumference of partition wall 6 or through eyelet 32 and row's processing or through eyelet 33.By the rotation of the first locking device 11, the second throughbore 33 (see Fig. 7 b) when opening first and going out stream 9 overlaps with the first throughbore 32 and (a) departs from the first pass through openings 32 and overlap see Fig. 7 when closing first and going out head piece 9.That is, in this remodeling, the first locking device 11 works with being similar to rotary valve.
Reference number table
1 printing machine
2 storage devices
3 metering devices
4 injection apparatus
5 housings
6 partition walls
Room 7 first
Room 8 second
9 first go out head piece
10 second go out head piece
11 first locking devices
12 second locking devices
13 hinges
14 locking bolts
15 latch elements
16 containers
17 metering rolls
18 distributors
19 pressure air feedwaies
20 pipe-line systems
21 hinges
22 handles
23 servo-drivers
24 lozenges
25 back-moving springs
26 powder
27 pages
28 first deposits
29 second deposits
30 throughput directions
31 first axis
32 first throughbore
33 second throughbore
Claims (10)
1. in printing machine (1) to the equipment of page (27) spreading powder, it comprises:
● for storing the storage device (2) of powder (26), described storage device has the first Room (7) and the second Room (8), described first Room has first and goes out head piece (9), described first go out head piece for powder (26) the first deposit (28) first go out the gravity transfer that head piece carries out through this, described second Room is used for the second deposit (29) of described powder (26), wherein, exist for closing the locking device (11) that described first goes out head piece (9);
● for measuring the metering device (3) of described powder (26);
● for spraying the injection apparatus (4) of described powder (26);
Wherein, described metering device (3) is arranged between described storage device (2) and described injection apparatus (4) along the throughput direction (30) of described powder (26),
It is characterized in that, described locking device (11) is ring.
2., by equipment according to claim 1, it is characterized in that, described locking device (11) can rotate around an axis (31) to open and close the described first object going out head piece (9).
3. by the equipment described in claim 1 or 2, it is characterized in that, described locking device (11) forms rotary valve.
4. by equipment according to claim 1, it is characterized in that existing and be used for described locking device (11) to remain on one and close described first and go out locking bolt (14) in the position of head piece (9).
5. by equipment according to claim 1, it is characterized in that existing and be used for described locking device (11) to be adjusted to one and open described first and go out back-moving spring (25) in the position of head piece (9).
6., by the equipment described in claim 1 or 2, it is characterized in that, described first Room (7) surrounds described second Room (8) circlewise.
7., by the equipment described in claim 1 or 2, it is characterized in that, described first Room (7) is connected setting with described second Room (8) with cascade.
8., by the equipment described in claim 1 or 2, it is characterized in that, described first goes out head piece (9) is passed in described second Room (8).
9. by the equipment described in claim 1 or 2, it is characterized in that, described second Room (8) has second and goes out head piece (10), and described second goes out head piece second goes out the gravity transfer that head piece carries out for described second deposit (29) through this.
10. printing machine (1), it has by the equipment according to any one of claim 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010046355.8 | 2010-09-23 | ||
| DE102010046355 | 2010-09-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102407658A CN102407658A (en) | 2012-04-11 |
| CN102407658B true CN102407658B (en) | 2015-04-08 |
Family
ID=45804913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110250970.3A Expired - Fee Related CN102407658B (en) | 2010-09-23 | 2011-08-16 | Device for powdering sheets in printer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102407658B (en) |
| DE (1) | DE102011111910A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012206170A1 (en) * | 2012-04-16 | 2013-10-17 | Weitmann & Konrad Gmbh & Co Kg | Device for discharging powder-air mixture on printing sheet, used in pollination device, has injector which is provided for supplying powder in stream of compressed air |
| DE102013010318A1 (en) * | 2012-07-13 | 2014-01-16 | Heidelberger Druckmaschinen Ag | Powder device for a printing machine |
| DE102018204608A1 (en) * | 2017-04-27 | 2018-10-31 | Heidelberger Druckmaschinen Ag | Device for changing the powder type |
| DE102020111369A1 (en) * | 2019-05-16 | 2020-11-19 | Heidelberger Druckmaschinen Aktiengesellschaft | Powder device |
| CN110654107B (en) * | 2019-11-15 | 2021-10-15 | 泉州市易智通智能设备有限公司 | Powder printing device |
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| DE3811309A1 (en) * | 1988-04-02 | 1989-10-12 | Weitmann & Konrad Fa | Device for spraying powder |
| DE4237111A1 (en) * | 1992-11-04 | 1994-05-05 | Hans G Platsch | Automatically controlled powder coating system for objects - has fluidised powder directed through delivery nozzles with flow regulated by programmable controller |
| DE19836013A1 (en) * | 1998-08-10 | 2000-02-17 | Weitmann & Konrad Fa | Powdering device for powdering printed sheets |
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| CN101817254A (en) * | 2010-03-28 | 2010-09-01 | 滕兴鸿 | Electronic pneumatic powder-spraying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0647285B2 (en) * | 1988-09-14 | 1994-06-22 | 株式会社グラフィックアーツシステム | Powder spray device to prevent ink back-off in printing machine |
| DE19858484C2 (en) | 1998-12-18 | 2002-01-24 | Weitmann & Konrad Fa | Device for dusting moving printed sheets |
| JP2005001119A (en) * | 2003-06-09 | 2005-01-06 | Insutetsuku Kk | Method and apparatus for monitoring spray powder supply state in paper ejection part of sheet-fed printing machine |
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2011
- 2011-08-16 CN CN201110250970.3A patent/CN102407658B/en not_active Expired - Fee Related
- 2011-08-30 DE DE201110111910 patent/DE102011111910A1/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3811309A1 (en) * | 1988-04-02 | 1989-10-12 | Weitmann & Konrad Fa | Device for spraying powder |
| DE4237111A1 (en) * | 1992-11-04 | 1994-05-05 | Hans G Platsch | Automatically controlled powder coating system for objects - has fluidised powder directed through delivery nozzles with flow regulated by programmable controller |
| DE19836013A1 (en) * | 1998-08-10 | 2000-02-17 | Weitmann & Konrad Fa | Powdering device for powdering printed sheets |
| US6257456B1 (en) * | 1998-08-10 | 2001-07-10 | Weitmann & Konrad Gmbh & Co. Kg | Powdering device |
| CN2664906Y (en) * | 2003-11-10 | 2004-12-22 | 象山盛润机械厂 | Automatic powder applying device for printing |
| CN101817254A (en) * | 2010-03-28 | 2010-09-01 | 滕兴鸿 | Electronic pneumatic powder-spraying device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011111910A1 (en) | 2012-03-29 |
| CN102407658A (en) | 2012-04-11 |
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