CN115284753A - Dual-channel switching device and printing equipment - Google Patents
Dual-channel switching device and printing equipment Download PDFInfo
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- CN115284753A CN115284753A CN202210800871.6A CN202210800871A CN115284753A CN 115284753 A CN115284753 A CN 115284753A CN 202210800871 A CN202210800871 A CN 202210800871A CN 115284753 A CN115284753 A CN 115284753A
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- 230000009977 dual effect Effects 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 2
- 238000013461 design Methods 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
- B41J13/0072—Handling wide cut sheets, e.g. using means for enabling or facilitating the conveyance of wide sheets
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- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
Abstract
The invention discloses a dual-channel switching device, comprising: the guide switching component, the first film channel and the second film channel are used for transmitting a first film, the second film channel is used for transmitting a second film, and the size of the first film is different from that of the second film. This kind of binary channels auto-change over device through with the film that the size is different under the switching of direction switch module convey respectively first film passageway and second film passageway in, solved among the prior art only one and size of a dimension according to maximum dimension design, the less film of size is difficult to discover, inconvenient quilt is taken out, the problem that can appear being forgotten even, be one kind can make the less film of size discover easily and conveniently be taken out the binary channels auto-change over device. In addition, the printing equipment comprising the dual-channel switching device is also disclosed.
Description
Technical Field
The invention relates to the field of film printing equipment, in particular to a double-channel switching device and printing equipment.
Background
The medical film printing device is a device for printing medical films, and the current medical film printer usually prints films with different specifications and sizes such as 14 × 17, 11 × 14, 10 × 12, 8 × 10 and the like.
The film outlet of the medical film printer is only one, the printed medical films are stored in the same film channel, and the film channel can be designed according to the film with the largest size in order to meet the storage requirements of the films with all sizes.
The printed films are stored in a rear alignment mode when the films are discharged due to the large and small sizes of the films, so that the large-sized films are easy to see and take out, and the small-sized films are not easy to find due to the small size, are inconvenient to take out and even have the problem of being forgotten.
Disclosure of Invention
In view of this, there is a need for a dual channel switch that is small in size and easy to find and retrieve.
In addition, it is necessary to provide a printing apparatus including the above dual channel switching device.
To solve the above problem, a dual channel switching device includes: the film processing device comprises a guide switching component, a first film channel and a second film channel, wherein the first film channel is used for transmitting a first film, the second film channel is used for transmitting a second film, and the size of the first film is different from that of the second film;
the guide switching assembly is provided with a first state communicated with the film outlet and a second state not communicated with the film outlet, a first film placing part is arranged at one end, far away from the film outlet, of the first film channel, and a second film placing part is arranged at one end, far away from the film outlet, of the second film channel;
when the guide switching component is in the first state, the guide switching component is communicated with the film outlet and the first film channel, and at the moment, the first film moves from the film outlet to the first film channel and the first film placing part along the guide switching component;
when the guide switching member is in the second state, the film exit and the second film path are communicated, and at this time, the first film moves from the film exit to the second film path and the second film placing section.
In one embodiment, the guide switching assembly includes a movable plate, one end of the movable plate is disposed adjacent to the film exit, the other end of the movable plate is disposed adjacent to the first film path, and the movable plate is movable relative to the film exit to switch between the first state and the second state.
In one embodiment, an end of the second film path proximate the film exit is located below the film exit;
when the guide switching component is in the second state, the movable plate moves to the position above the film outlet, so that a channel is formed between the movable plate and the film outlet, and the second film is transferred from the film outlet to the second film channel through the channel.
In one embodiment, the guide switching assembly further comprises a first rotating shaft provided on the moving plate, and the moving plate rotates along the first rotating shaft relative to the film outlet to switch between the first state and the second state.
In one embodiment, the guidance switching assembly further comprises an elastic reset assembly and a cam power assembly;
the elastic reset assembly and the cam power assembly are arranged on the moving plate and can drive the moving plate to rotate along the first rotating shaft.
In one embodiment, the dual channel switching device further comprises a mounting bracket, the cam power assembly comprises a cam and a second rotating shaft, the cam is fixed on the second rotating shaft and is in rotational contact with the moving plate, the elastic reset assembly comprises an elastic piece, one end of the elastic piece is fixed on the moving plate, the other end of the elastic piece is fixed on the mounting bracket, and the elastic piece can generate elastic force, so that the moving plate is always in contact with the cam.
In one embodiment, the dual channel switching device comprises a drive motor assembly comprising a motor, a worm shaft, a double-layer gear and a spindle gear;
a worm shaft is arranged on an output shaft of the motor, a central shaft of the worm shaft is perpendicular to a central shaft of the double-layer gear, the worm shaft is in running fit with one layer of gear of the double-layer gear, a central shaft of the rotating shaft gear is parallel to the central shaft of the double-layer gear, the rotating shaft gear is in running fit with the other layer of gear of the double-layer gear, and the rotating shaft gear is fixed with the second rotating shaft.
In one embodiment, the dual channel switching device includes a position sensor assembly including a code wheel sensor and a code wheel;
the coded disc is arranged on the second rotating shaft, and the coded disc is matched with the coded disc sensor.
In one embodiment, the dual path switching apparatus further comprises a first transport component disposed between the film exit and the guide switching assembly and a second transport component disposed between the guide switching assembly and the first film path;
the first transmission part comprises a first driving roller and a first driven roller, the second transmission part comprises a second driving roller and a second driven roller, a first gap is formed between the first driving roller and the first driven roller, and a second gap is formed between the second driving roller and the second driven roller.
To solve the above problem, a printing apparatus includes the dual channel switching device according to any one of the above embodiments.
The invention discloses a dual-channel switching device, comprising: the film guide device comprises a guide switching component, a first film channel and a second film channel, wherein the first film channel is used for transmitting a first film, the second film channel is used for transmitting a second film, and the size of the first film is different from that of the second film;
the guide switching assembly has a first state communicated with the film outlet and a second state not communicated with the film outlet, and when the guide switching assembly is in the first state, the guide switching assembly is communicated with the film outlet and the first film channel, and when the guide switching assembly is in the second state, the film outlet is communicated with the second film channel.
This kind of binary channels auto-change over device through with the film that the size is different under the switching of direction switching module convey respectively first film passageway and second film passageway in, solved among the prior art only one and size of a dimension according to maximum dimension design, the less film of size is difficult to discover, inconvenient quilt is taken out, the problem of being forgotten can appear even, be one kind can make the less film of size discover easily and conveniently the binary channels auto-change over device who is taken out.
In addition, the printing equipment comprising the dual-channel switching device is also disclosed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
fig. 1 is a perspective view of a printing apparatus according to an embodiment of the present invention.
Fig. 2 is a perspective view of the dual channel switching device shown in fig. 1 in a first state.
Fig. 3 is a perspective view of the dual channel switching device shown in fig. 1 in a second state.
Fig. 4 is a perspective view of the driving motor assembly and the position sensor assembly at both ends of the second rotation shaft shown in fig. 1.
Fig. 5 is a partial schematic view of the region a shown in fig. 1.
Reference numerals:
10-mounting a bracket;
20-a guide switching component, 22-a moving plate, 24-a cam, 26-an elastic component, 28-a first rotating shaft and 29-a second rotating shaft;
30-a first film path, 32-a first film placement section;
40-a second film path, 42-a second film placement section;
52-motor, 54-worm shaft, 56-double layer gear, 58-rotating shaft gear;
62-code wheel sensor, 64-code wheel;
70-film exit, 72-first panel, 74-second panel, 76-third gap;
80-a first conveying member, 82-a first drive roller, 84-a first follower roller, 86-a first gap;
90-a second conveyor member, 92-a second drive roller, 94-a second follower roller, 96-a second nip.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the members, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
With reference to fig. 1 to 3, the present invention discloses a dual channel switching device according to an embodiment, including: a guide switching assembly 20, a first film channel 30 and a second film channel 40, the first film channel 30 being used for transporting a first film, the second film channel 40 being used for transporting a second film, the first film being of a different size than the second film;
the guide switching assembly 20 has a first state (fig. 2) communicating with the film outlet 70 and a second state (fig. 3) not communicating with the film outlet 70, the first film path 30 is provided with a first film placing section 32 at an end away from the film outlet 70, and the second film path 40 is provided with a second film placing section 42 at an end away from the film outlet 70;
when the guide switching assembly 20 is in the first state (fig. 2), the guide switching assembly 20 communicates the film exit 70 with the first film path 30, at which time the first film moves from the film exit 70 along the guide switching assembly 20 to the first film path 30 and the first film placing section 32;
when the guide switching assembly 20 is in the second state (fig. 3), the film outlet 70 and the second film path 40 are communicated, and at this time, the first film moves from the film outlet 70 to the second film path 40 and the second film placing section 42.
This kind of binary channels auto-change over device through with the film that the size is different under the switching of direction switch module convey respectively first film passageway and second film passageway in, solved among the prior art only one and size of a dimension according to maximum dimension design, the less film of size is difficult to discover, inconvenient quilt is taken out, the problem that can appear being forgotten even, be one kind can make the less film of size discover easily and conveniently be taken out the binary channels auto-change over device.
Specifically, the first film path 30 is used to transport a first film, the second film path 40 is used to transport a second film, the first film and the second film have different sizes of films, and there are no limitations on two types of fixed sizes of films, the first film is the first film below a predetermined size, and the second film is the second film below the predetermined size.
The guide switching assembly 20 has a first state communicating with the film exit 70 and a second state not communicating with the film exit 70, and particularly, as shown in fig. 2 and 3, the moving plate 22 and the cam 24 are located at different positions, and the film exit 70 refers to an exit through which the film is discharged after the film printing is completed.
In the above embodiment, the film exit 70 includes the first panel 72, the second panel 74, and the third gap 76, the first panel 72 and the second panel 74 are disposed opposite to each other with the passage therebetween, the third gap 76 exists between the first panel 72 and the second panel 74, and the first film and the second film are discharged from the third gap 76.
The first film is delivered from the film exit 70 and moves along the guide switch assembly 20 to the first film path 30 when the guide switch assembly 20 is in the first state, and the second film is delivered from the film exit 70 and moves onto the first film path 40 when the guide switch assembly 20 is in the second state.
In the above embodiment, the first film path 30 is provided with the first film placing section 32 at the end far away from the film exit 70, the second film path 40 is provided with the second film placing section 42 at the end far away from the film exit 70, the sizes of the first film placing section 32 and the second film placing section 42 can be set according to the actual use requirement to adapt to the sizes of different films, the first film is delivered from the guide switching assembly 20 and placed on the first film path 30 and the first film placing section 32, and the second film is delivered from the film exit 70 and placed on the second film path 40 and the second film placing section 42.
Specifically, the guide switching member 20 can also increase the distance for conveying the first film, and if the position of the exit end of the first film placing section 32 is approximately flush with the position of the exit end of the second film placing section 42, which is the end of the film taken out by the user, the first film needs to be sent out by a larger distance than the second film to be completely conveyed to the first film placing section 32, and the guide switching member 20 can also increase the first film conveying distance.
Preferably, the guide switching assembly 20 includes a moving plate 22, one end of the moving plate 22 is disposed adjacent to the film exit 70, the other end of the moving plate 22 is disposed adjacent to the first film path 30, and the moving plate 22 is movable relative to the film exit 70 to switch between the first state and the second state.
Specifically, the ability of the guide switch assembly 20 to communicate with or not communicate with the film exit 70 is accomplished by movement of the moving plate 22 such that one end of the moving plate 22 is disposed adjacent the film exit 70 and the other end is disposed adjacent the first film path 30.
Preferably, the end of the second film path 40 adjacent the film exit 70 is below the film exit 70;
when the guide switch assembly 20 is in the second state, the moving plate 22 moves above the film exit 70 to form a channel between the moving plate 22 and the film exit 70 through which the second film is transferred from the film exit 70 to the second film path 40.
Specifically, when the guide switching assembly 20 is in the second state, the moving plate 22 moves to above the film exit 70, and the moving plate 22 is not connected to the film exit 70 and forms a channel with the film exit 70, and since the end of the second film channel 40 close to the film exit 70 is located below the film exit 70, the second film can be transferred to the second film channel 40 through the channel.
Specifically, the guiding switch assembly 20 further includes a first rotating shaft 28, the first rotating shaft 28 is disposed on the moving plate 22, and the moving plate 22 rotates along the first rotating shaft 28.
The first rotating shaft 28 is disposed on the moving plate 22 in a fixed manner or a non-fixed manner, and when the first rotating shaft 28 is not fixed with the moving plate 22, the first rotating shaft 28 is fixed on the mounting bracket 10, and the moving plate 22 rotates relative to the first rotating shaft 28 and the mounting bracket 10.
When the first rotating shaft 28 is fixed with the moving plate 22, the first rotating shaft 28 is rotatably connected with the mounting bracket 10, and the moving plate 22 and the first rotating shaft 28 rotate relative to the mounting bracket 10.
In other embodiments, when the first rotating shaft 28 is fixed to the moving plate 22, the first rotating shaft 28 can be externally connected to a power assembly, and the power assembly directly controls the rotation of the first rotating shaft 28, and thus the rotation of the moving plate.
Preferably, the guiding switching assembly 20 further comprises an elastic reset assembly and a cam power assembly;
the elastic return assembly and the cam power assembly are disposed on the moving plate 22, and the elastic return assembly and the cam power assembly can drive the moving plate 22 to rotate along the first rotating shaft 28.
In the above embodiment, the guiding switch assembly 20 further includes an elastic reset assembly and a cam power assembly, the moving plate 22 rotates through the elastic reset assembly and the cam power assembly, the cam power assembly can control the moving plate 22 to rotate to a certain position, and the elastic reset assembly can enable the moving plate 22 to rotate back to the original position.
Referring to fig. 4, the dual channel switching device further includes a mounting bracket 10, the cam power assembly includes a cam 24 and a second rotating shaft 29, the cam 24 is fixed on the second rotating shaft 29, the cam 24 is in rotational contact with the moving plate 22, the elastic reset assembly includes an elastic member 26, one end of the elastic member 26 is fixed on the moving plate 22, the other end of the elastic member 26 is fixed on the mounting bracket 10, and the elastic member 26 can generate an elastic force, so that the moving plate 22 is always in contact with the cam 24.
Specifically, the cam power assembly includes a cam 24 and a second rotating shaft 29, the cam 24 is fixed on the second rotating shaft 29, and a pin is provided on the cam 24, so that the cam 24 and the second rotating shaft 29 can not rotate relatively, that is, the cam 24 rotates along with the second rotating shaft 29.
In the above embodiment, the second rotating shaft 29 and the first rotating shaft 28 are arranged in parallel, the second rotating shaft 29 is rotatably connected with the mounting bracket 10, and the number of the cams 24 is two, and the cams are respectively arranged at two sides of the second rotating shaft 29, so that the moving plate 22 can rotate more stably on one hand, and the first film is not blocked from being conveyed on the moving plate 22 on the other hand.
In this embodiment, two ends of the elastic member 26 are provided with hooks, the moving plate 22 is provided with a hanging hole, the mounting bracket 10 is provided with a hanging buckle, one end of the elastic member 26 is connected with the hanging hole of the moving plate 22, the other end of the elastic member is connected with the hanging buckle of the mounting bracket 10, and the number of the elastic members 26 is two and the two elastic members are respectively arranged at two sides of the moving plate 22.
The cam 24 has a protruding portion and a non-protruding portion, and can contact with the moving plate 22 along with the rotation of the second rotating shaft 29, when the protruding portion of the cam 24 contacts with the moving plate 22, the position of the moving plate 22 changes, and the elastic force exerted on the moving plate 22 by the elastic member 26 has an action direction opposite to the direction of the change of the position of the moving plate 22, so that the moving plate 22 always contacts with the cam 24 and plays a role of resetting the moving plate 22.
Referring to fig. 5, the dual channel switching device includes a driving motor assembly including a motor 52, a worm shaft 54, a double-layer gear 56, and a rotation shaft gear 58;
the output shaft of the motor 52 is provided with a worm shaft 54, the central axis of the worm shaft 54 is perpendicular to the central axis of the double-layer gear 56, the worm shaft 54 is rotatably engaged with one of the double-layer gear 56, the central axis of the rotating shaft gear 58 is parallel to the central axis of the double-layer gear 56, the rotating shaft gear 58 is rotatably engaged with the other of the double-layer gear 56, and the rotating shaft gear 58 is fixed with the second rotating shaft 29.
The driving motor assembly drives the second rotating shaft 29 to rotate, the motor 52 is fixed on the mounting bracket 10, and the mounting area of the motor 52 can be reduced by designing the central axis of the worm shaft 54 and the central axis of the double-layer gear 56 to be perpendicular to each other.
With reference to FIG. 5, the dual channel switching device includes a position sensor assembly including a code wheel sensor 62 and a code wheel 64;
the code wheel 64 is arranged on the second rotating shaft 29, and the code wheel 64 is matched with the code wheel sensor 62.
The position sensor assembly is used for monitoring the rotation angle of the second rotating shaft 29, and the second rotating shaft 29 can rotate to a preset angle by matching with the driving motor assembly.
Preferably, the dual path switch apparatus further comprises a first transport member 80 and a second transport member 90, the first transport member 80 being disposed between the film exit 70 and the guide switch assembly 20, the second transport member 90 being disposed between the guide switch assembly 20 and the first film path 30;
the first transfer part 80 includes a first driving roller 82 and a first driven roller 84, and the second transfer part 90 includes a second driving roller 92 and a second driven roller 94, with a first gap 86 between the first driving roller 82 and the first driven roller 84, and a second gap 96 between the second driving roller 92 and the second driven roller 94.
Specifically, the first conveying component 80 and the second conveying component are used for conveying the film and providing power for the conveying of the film, the first driving roller 82 can drive the first driven roller 84 to rotate, the second driving roller 92 can drive the second driven roller 94 to rotate, a first gap 86 exists between the first driving roller 82 and the first driven roller 84, a second gap 96 exists between the second driving roller 92 and the second driven roller 94, the film is conveyed out of the first gap 86 and the second gap 96, the first gap 86 is used for conveying the first film and the second film, and the second gap 96 is used for conveying the first film.
The invention also discloses printing equipment comprising the dual-channel switching device.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A dual channel switching device, comprising: the film processing device comprises a guide switching component, a first film channel and a second film channel, wherein the first film channel is used for transmitting a first film, the second film channel is used for transmitting a second film, and the size of the first film is different from that of the second film;
the guide switching assembly is provided with a first state communicated with the film outlet and a second state not communicated with the film outlet, a first film placing part is arranged at one end, far away from the film outlet, of the first film channel, and a second film placing part is arranged at one end, far away from the film outlet, of the second film channel;
when the guide switching component is in the first state, the guide switching component is communicated with the film outlet and the first film channel, and at the moment, the first film moves from the film outlet to the first film channel and the first film placing part along the guide switching component;
when the guide switching member is in the second state, the film exit and the second film path are communicated, and at this time, the first film moves from the film exit to the second film path and the second film placing section.
2. The dual channel switching device of claim 1, wherein the guide switch assembly includes a moving plate having one end disposed proximate the film exit and another end disposed proximate the first film channel, the moving plate being movable relative to the film exit to effect switching between the first state and the second state.
3. The dual channel switching device of claim 2, wherein an end of the second film channel proximate the film exit is located below the film exit;
when the guide switching component is in the second state, the moving plate moves to the position above the film outlet, so that a channel is formed between the moving plate and the film outlet, and the second film is transferred from the film outlet to the second film channel through the channel.
4. The dual channel switching device of claim 3, wherein the guided switching assembly further comprises a first pivot disposed on the moving plate, the moving plate rotating along the first pivot relative to the film exit to effect switching between the first state and the second state.
5. The dual channel switching device of claim 4, wherein the guided switching assembly further comprises a resilient return assembly and a cam power assembly;
the elastic reset assembly and the cam power assembly are arranged on the moving plate and can drive the moving plate to rotate along the first rotating shaft.
6. The dual channel switching device of claim 5, further comprising a mounting bracket, wherein the cam power assembly comprises a cam and a second shaft, wherein the cam is fixed on the second shaft, wherein the cam is in rotational contact with the moving plate, wherein the elastic return assembly comprises an elastic member, wherein one end of the elastic member is fixed on the moving plate, and the other end of the elastic member is fixed on the mounting bracket, wherein the elastic member is capable of generating an elastic force, so that the moving plate is always in contact with the cam.
7. The dual channel switching device of claim 6, comprising a drive motor assembly comprising a motor, a worm shaft, a double-layer gear, and a spindle gear;
a worm shaft is arranged on an output shaft of the motor, a central shaft of the worm shaft is perpendicular to a central shaft of the double-layer gear, the worm shaft is in running fit with one layer of gear of the double-layer gear, a central shaft of the rotating shaft gear is parallel to the central shaft of the double-layer gear, the rotating shaft gear is in running fit with the other layer of gear of the double-layer gear, and the rotating shaft gear is fixed with the second rotating shaft.
8. The dual channel switching device of claim 7, wherein the dual channel switching device includes a position sensor assembly including a code wheel sensor and a code wheel;
the coded disc is arranged on the second rotating shaft, and the coded disc is matched with the coded disc sensor.
9. The dual channel switching device of any one of claims 1-8, further comprising a first transport member disposed between the film exit and the guide switch assembly and a second transport member disposed between the guide switch assembly and the first film path;
the first transmission part comprises a first driving roller and a first driven roller, the second transmission part comprises a second driving roller and a second driven roller, a first gap is formed between the first driving roller and the first driven roller, and a second gap is formed between the second driving roller and the second driven roller.
10. A printing apparatus comprising a dual channel switching device according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210800871.6A CN115284753A (en) | 2022-07-08 | 2022-07-08 | Dual-channel switching device and printing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210800871.6A CN115284753A (en) | 2022-07-08 | 2022-07-08 | Dual-channel switching device and printing equipment |
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| CN115284753A true CN115284753A (en) | 2022-11-04 |
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| CN202210800871.6A Pending CN115284753A (en) | 2022-07-08 | 2022-07-08 | Dual-channel switching device and printing equipment |
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| US20170183177A1 (en) * | 2015-12-28 | 2017-06-29 | Canon Kabushiki Kaisha | Sheet conveyance apparatus and image forming apparatus |
| CN207497771U (en) * | 2017-10-24 | 2018-06-15 | 赛珂无锡医疗科技有限公司 | A kind of film output device of medical film printer |
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Application publication date: 20221104 |