CN220973666U - Label fixing device and flexographic printing machine - Google Patents
Label fixing device and flexographic printing machine Download PDFInfo
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- CN220973666U CN220973666U CN202322561952.8U CN202322561952U CN220973666U CN 220973666 U CN220973666 U CN 220973666U CN 202322561952 U CN202322561952 U CN 202322561952U CN 220973666 U CN220973666 U CN 220973666U
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- pressing plate
- conveying roller
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- pressing
- magnet
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- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 230000005389 magnetism Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000007774 anilox coating Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the field of flexographic printing, in particular to a label fixing device and a flexographic printing machine, which comprise a bracket, wherein the top of the bracket is fixedly connected with a transverse supporting plate, a first conveying roller and a second conveying roller which are transversely arranged are rotationally connected to the bracket, the first conveying roller and the second conveying roller are respectively positioned at the outer sides of the left end and the right end of the supporting plate, and the top of the first conveying roller, the top of the second conveying roller and the top surface of the supporting plate are flush; the pressing plate is transversely arranged and is positioned above the supporting plate, the pressing plate can move vertically, the bottom of the pressing plate is fixedly connected with two pressing blocks, and the two pressing blocks are respectively opposite to the first conveying roller and the second conveying roller; and the pressing force applying unit is used for applying downward force to the pressing plate. The problem that the position of label can take place to remove when equipment shut down has been solved to this scheme.
Description
Technical Field
The utility model relates to the field of flexographic printing, in particular to a label fixing device and a flexographic printing machine.
Background
Flexographic printing machines are machines that print a substrate with liquid ink by transferring ink through an anilox roller using a flexible photosensitive resin plate and a rubber plate as a base material. It can be applied to the printing of labels.
The flexographic printing machine is provided with a plurality of conveying rollers, the conveying rollers convey the labels, the labels are conveyed to different functional areas of the flexographic printing machine, corresponding processing is carried out on the labels, for example, the labels are conveyed to a printing area, the flexographic printing machine prints the labels, the labels are conveyed to a drying area, and the flexographic printing machine dries the printed labels.
In the prior art, when a label roll is replaced by stopping or when equipment is stopped and maintained, labels on a conveying roller are touched by the outside, and the labels possibly move on the conveying roller, so that the positions of the labels move compared with those of the labels when the equipment is stopped, and when the equipment is started again subsequently, printing errors, such as printed labels which are possibly printed repeatedly, or the labels are not printed, so that the printing quality of the labels is affected, and the labels are wasted.
Disclosure of utility model
The utility model aims to provide a label fixing device and a flexographic printing machine so as to solve the problem that the position of a label can be moved when equipment is stopped.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the label fixing device comprises a label fixing device, a label fixing device and a label fixing device,
The top of the bracket is fixedly connected with a transverse supporting plate, the bracket is rotationally connected with a first conveying roller and a second conveying roller which are transversely arranged, the first conveying roller and the second conveying roller are respectively positioned at the outer sides of the left end and the right end of the supporting plate, and the top of the first conveying roller, the top of the second conveying roller and the top surface of the supporting plate are flush;
the pressing plate is transversely arranged and is positioned above the supporting plate, the pressing plate can move vertically, the bottom of the pressing plate is fixedly connected with two pressing blocks, and the two pressing blocks are respectively opposite to the first conveying roller and the second conveying roller;
and the pressing force applying unit is used for applying downward force to the pressing plate.
The principle and the advantages of the scheme are as follows: the label fixing device in this scheme is used for fixed mounting on the flexographic printing machine, and the label is when conveying, and the label passes through this label fixing device, and also the label passes through position, the second transfer roller between first transfer roller, clamp plate and the backup pad in proper order, and wherein first transfer roller and second transfer roller play the effect of direction for the conveying of label, and first transfer roller makes the label that conveys can be smooth and easy get into the position between clamp plate and the backup pad, and the second transfer roller makes the label can be smooth and easy follow the position between clamp plate and the backup pad and conveys out.
When the label is normally conveyed at ordinary times, a gap is reserved between the pressing block above the first conveying roller and the first conveying roller, and a gap is reserved between the pressing block above the second conveying roller and the second conveying roller, so that the normal conveying of the label is not affected.
When the flexographic printing machine is stopped, the pressing force applying unit is started to enable the pressing force applying unit to work, the pressing force applying unit applies downward force to the pressing plate, the pressing plate moves downwards, the pressing plate drives the two pressing blocks to move downwards, the two pressing blocks respectively press on the first conveying roller and the second conveying roller, accordingly, the labels are fixed, the labels cannot move freely, the problem that the positions of the labels can move when equipment is stopped is solved, and the problem that the printing quality of the labels is affected when the labels are started next time due to the fact that the positions of the labels move is avoided.
Two briquetting in this scheme are located the tip department about the backup pad respectively and fix the label, and the briquetting of backup pad left end department is fixed the label, has played the fixed action to this fixing device left side's label, and the briquetting of backup pad right-hand member department is fixed the label, has played the fixed action to the label on this fixing device right side, adopts two briquettes to fix the label, compares to use a briquetting to fix the label, and the label is fixed effect better, the label is fixed more stable.
Preferably, as an improvement, the device further comprises a vertical guide rod, and the pressing plate is vertically and slidably connected to the guide rod.
From this, the setting of guide bar has played the effect of direction for the vertical slip of clamp plate for the clamp plate vertical movement stability is good.
Preferably, as an improvement, an elastic member for moving the pressing plate upward away from the support plate is attached to the pressing plate. When the pressing force applying unit applies downward force to the pressing plate, the pressing plate overcomes the elasticity of the elastic piece to move downwards, and the elastic piece stores the force. When the pressing force applying unit does not work, the elastic piece automatically resets to apply upward movement force to the pressing plate, so that the pressing plate automatically moves upward to reset.
Preferably, as a modification, the elastic member is a spring, and the spring is sleeved on the guide rod. Therefore, the guide rod can limit the spring, so that the spring cannot bend when deformed.
Preferably, as an improvement, the pressing force applying unit includes a first magnet portion and a second magnet portion fixedly located on the pressing plate, the first magnet portion and the second magnet portion being opposite; at least one of the first magnet part and the second magnet part is an electromagnet.
Therefore, the electromagnet is electrified, so that magnetism is generated by the electromagnet, after the electromagnet generates magnetism, magnetic force is generated between the first magnet part and the second magnet part, and the pressing plate moves downwards under the action of the magnetic force. Therefore, when the pressing force applying unit is started, the pressing plate can move downwards only by electrifying the electromagnet, and the operation is simple and convenient. When the electromagnet is powered off, the magnetic force between the first magnet part and the second magnet part disappears, and the pressing plate automatically resets.
Preferably, as a modification, the first magnet portion is fixedly located at the top of the support plate, the second magnet portion is fixedly located at the bottom of the pressing plate, and the first magnet portion and the second magnet portion can attract each other.
Thus, the first magnet part and the second magnet part are positioned between the pressing plate and the supporting plate, and the pressing plate moves downwards through mutual attraction between the first magnet part and the second magnet part.
Preferably, as a modification, the second magnet portion is fixedly located at the top of the pressing plate, the first magnet portion is located above the second magnet portion, and the first magnet portion and the second magnet portion can repel each other.
Thus, the first magnet portion and the second magnet portion are located above the pressing plate, and the pressing plate is moved downward by mutual repulsion between the first magnet portion and the second magnet portion.
Preferably, as an improvement, the spring is a compression spring or a tension spring, the compression spring is positioned between the supporting plate and the pressing plate, and the tension spring is connected to the top of the pressing plate. Therefore, the spring can be a compression spring or a tension spring, when the spring is selected as the compression spring, the compression spring is positioned between the supporting plate and the pressing plate, when the pressing plate moves downwards, the pressing plate extrudes the compression spring, the compression spring compresses, and when the pressing force applying unit does not work, the pressing plate moves upwards under the action of the elasticity of the compression spring. When the tension spring is selected, the tension spring is positioned above the pressing plate, the bottom end of the tension spring is fixed with the pressing plate, and the top end of the tension spring is fixed with the outside, so that when the pressing plate moves downwards, the tension spring stretches to deform, and when the pressing force applying unit does not work, the pressing plate moves upwards under the action of the elasticity of the tension spring.
Preferably, as a modification, a plurality of third conveying rollers are rotatably connected to the frame. The third transfer roller is used for guiding the transfer of the label so that the label can be transferred to the first transfer roller, and the label is transferred to other transfer rollers of the flexographic printing machine through the third transfer roller after being transferred from the second transfer roller.
In order to achieve the above purpose, the present utility model further adopts the following technical scheme: the flexographic printing machine comprises a frame and a plurality of label fixing devices, wherein the label fixing devices are arranged on the frame.
Thus, the present application protects not only the label holding means but also the flexographic printing machine corresponding to the label holding means.
Because the volume on the flexographic printing machine is great, the length that the label was conveyed on the flexographic printing machine is longer, consequently is equipped with a plurality of label fixing device on the flexographic printing machine, and different label fixing device fixes the different positions of longer label on the flexographic printing machine respectively to guarantee the fixed effect of label, avoided label length longer and only fixed the condition that one position of label and other positions of label can't be fixed.
Drawings
Fig. 1 is a perspective view of a tag fixing apparatus.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a schematic view showing a structure in which a plurality of label holding means are provided on a flexographic printing machine.
Detailed Description
The following is a further detailed description of the embodiments:
Reference numerals in the drawings of the specification include: the label feeding device comprises a bracket 1, a third conveying roller 2, labels 3, a supporting plate 4, a pressing plate 5, a guide rod 6, a spring 7, a first magnet part 8, a pressing block 9, a second magnet part 10, a first conveying roller 11, a second conveying roller 12 and a rack 13.
An example is substantially as shown in figures 1-3 of the accompanying drawings: the label fixing device comprises a support 1, wherein the support 1 is two vertically opposite plates, a transverse support plate 4 is fixedly connected to the top of the support 1 (through welding or screw fixation), a first conveying roller 11 and a second conveying roller 12 which are transversely arranged are connected to the support 1 through shaft and bearing matching rotation, the first conveying roller 11 and the second conveying roller 12 are respectively located on the outer sides of the left end and the right end of the support plate 4, and the top of the first conveying roller 11, the top of the second conveying roller 12 and the top surface of the support plate 4 are flush.
The label fixing device further comprises a pressing plate 5, the pressing plate 5 is transversely arranged and located above the supporting plate 4, the pressing plate 5 can move vertically, in order to enable the pressing plate 5 to move vertically stably, two guide rods 6 are welded at the top of the supporting plate 4, the two guide rods 6 are located at the front end and the rear end of the supporting plate 4 respectively, vertical holes are formed in the pressing plate 5, the guide rods 6 penetrate through the vertical holes of the pressing plate 5, and therefore the vertical movement of the pressing plate 5 is guided. The pressing plate 5 is connected with an elastic member for making the pressing plate 5 upwardly away from the supporting plate 4. The elastic member in this embodiment is a spring 7, and the spring 7 is sleeved on the guide rod 6. When the spring 7 is located between the supporting plate 4 and the pressing plate 5, the spring 7 is a pressure spring, when the spring 7 is located above the pressing plate 5, the spring 7 is a tension spring, at the moment, the bottom end of the tension spring is welded with the top of the pressing plate 5, and the top of the tension spring is welded and fixed with the structure outside the device. The spring 7 is preferably a compression spring.
The bottom of the pressing plate 5 is fixedly connected with two pressing blocks 9 through screws or adhesion, the two pressing blocks 9 are long, the two pressing blocks 9 are respectively opposite to the first conveying roller 11 and the second conveying roller 12, and the pressing blocks 9 in the embodiment are rubber blocks.
The label holding apparatus in this embodiment further includes a pressing force applying unit for applying a downward force to the platen 5. The pressing force applying means includes a first magnet portion 8 and a second magnet portion 10 fixedly provided on the pressing plate 5, the first magnet portion 8 and the second magnet portion 10 being opposed to each other. Referring to fig. 2, the first magnet 8 is fixed to the top of the support plate 4 by a screw, the second magnet 10 is fixed to the bottom of the platen 5 by a screw, and the first magnet 8 and the second magnet 10 can attract each other, and at least one of the first magnet 8 and the second magnet 10 is an electromagnet. In this embodiment, the first magnet 8 is an electromagnet, and the second magnet 10 is a normal magnet, but it is needless to say that the first magnet 8 may be a normal magnet, the second magnet 10 may be an electromagnet, or both the first magnet 8 and the second magnet 10 may be electromagnets. The number of the first magnet parts 8 and the second magnet parts 10 on the label fixing device is four, wherein the front end of the supporting plate 4 is provided with two first magnet parts 8, the rear end of the supporting plate 4 is provided with two first magnet parts 8, the front end of the pressing plate 5 is provided with two second magnet parts 10, and the rear end of the pressing plate 5 is provided with two second magnet parts 10.
In this embodiment, the support 1 is further rotatably connected with a third conveying roller 2 through a shaft and a bearing, and in fig. 1, the number of the third conveying rollers 2 is at least two, and the third conveying rollers are respectively located below the first conveying roller 11 and below the second conveying roller 12, so as to guide the conveying of the labels 3.
As shown in fig. 3, the label fixing apparatus is mounted on a frame 13 of a flexographic printing machine (the specific functional structure of the flexographic printing machine in fig. 3, such as a printing structure, is not shown, which is an improvement of the present application, is a prior art), and since the volume of the flexographic printing machine is large and long, a plurality of label fixing apparatuses are mounted on the flexographic printing machine, in fig. 3, three of the label fixing apparatuses are exemplified by a bracket 1 fixed on the flexographic printing machine by bolts, three of the label fixing apparatuses are arranged in three directions, and the labels 3 are sequentially transferred from left to right and transferred to the right, and in fig. 2, the labels 3 are transferred from left to right through a third transfer roller 2 upward through a first transfer roller 11, then between a platen 5 and a support plate 4, and downward through a third transfer roller 2 rightward after passing through a second transfer roller 12.
The electromagnets on the three label fixing devices are mutually connected in series, and a power supply and a control switch are also connected in series on a circuit of the electromagnets connected in series.
When the labels 3 are conveyed rightward, the labels 3 pass through the label fixing device, namely the labels 3 sequentially pass through the left third conveying roller 2, the first conveying roller 11, the position between the pressing plate 5 and the supporting plate 4, the second conveying roller 12 and the right third conveying roller 2, wherein the third conveying roller 2, the first conveying roller 11 and the second conveying roller 12 play a role in guiding the conveying of the labels 3, the labels 3 conveyed by the left third conveying roller 2 and the first conveying roller 11 can smoothly enter the position between the pressing plate 5 and the supporting plate 4, and the labels 3 can be smoothly conveyed from the position between the pressing plate 5 and the supporting plate 4 by the right third conveying roller 2 and the second conveying roller 12.
When the labels 3 are normally conveyed at ordinary times, gaps are reserved between the pressing blocks 9 above the first conveying rollers 11 and between the pressing blocks 9 above the second conveying rollers 12 and the second conveying rollers 12, and therefore normal conveying of the labels 3 is not affected.
When the flexographic printing machine is stopped, the pressing force applying unit is started at the moment, namely the control switch is pressed, so that a circuit is closed, the first magnet part 8 on the three label fixing devices is electrified at the same time, the first magnet part 8 is electrified to generate magnetism, the magnetism of the top of the first magnet part 8 is opposite to that of the bottom of the second magnet part 10, attractive force is generated between the top of the first magnet part 8 and the bottom of the second magnet part, the pressing plate 5 overcomes the elastic force of the pressure spring under the action of the attractive force to move downwards, the pressing plate 5 drives the two pressing blocks 9 to move downwards, and the two pressing blocks 9 respectively press the first conveying roller 11 and the second conveying roller 12, so that the labels 3 are conveyed to be pressed on the first conveying roller 11 and the second conveying roller 12, the labels 3 are fixed, the labels 3 cannot move freely, the problem that the positions of the labels 3 move when the machine is stopped is solved, and the influence on the printing quality of the labels 3 when the labels are started next time is avoided.
When the flexographic printing machine needs to be started, the control switch is turned off, the first magnet parts 8 of the three label fixing devices are all powered off, the first magnet parts 8 lose magnetism, the magnetic force between the first magnet parts 8 and the second magnet parts 10 disappears, the pressing plate 5 moves upwards under the action of the pressure springs, the pressing plate 5 drives the two pressing blocks 9 to move upwards, so that the pressing blocks 9 do not press the first conveying roller 11 and the second conveying roller 12 any more, the labels 3 are not fixed, and the labels 3 can move on the label fixing devices.
Therefore, it can be seen that the three tag fixing devices are controlled simultaneously in the embodiment, and the operation is simple and convenient.
In the above embodiment, the first magnet portion 8 and the second magnet portion 10 are both located between the pressing plate 5 and the supporting plate 4, however, in other embodiments, the second magnet portion 10 may be fixed on the top of the pressing plate 5 by screws, the first magnet portion 8 is located above the second magnet portion 10, and the first magnet portion 8 is fixed on the outside of the tag fixing device, where the bottom of the first magnet portion 8 and the top of the second magnet portion 10 have the same magnetic properties, and can repel each other. Thus, when the electromagnet is electrified, for example, when the first magnet part 8 is the electromagnet, the first magnet part 8 generates magnetism, so that repulsive force is generated between the first magnet part 8 and the second magnet part 10, the pressing plate 5 moves downwards under the action of the repulsive force, and the pressing plate 5 presses, so that the two pressing blocks 9 move downwards to fix the tag 3.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (10)
1. Label fixing device, its characterized in that: comprising the steps of (a) a step of,
The support is fixedly connected with a transverse supporting plate at the top of the support, a first conveying roller and a second conveying roller which are transversely arranged are rotationally connected to the support, the first conveying roller and the second conveying roller are respectively positioned at the outer sides of the left end and the right end of the supporting plate, and the top of the first conveying roller, the top of the second conveying roller and the top surface of the supporting plate are flush;
The pressing plate is transversely arranged and is positioned above the supporting plate, the pressing plate can move vertically, two pressing blocks are fixedly connected to the bottom of the pressing plate, and the two pressing blocks are respectively opposite to the first conveying roller and the second conveying roller;
And the pressing force applying unit is used for applying downward force to the pressing plate.
2. The label holding assembly of claim 1, wherein: the device also comprises a vertical guide rod, and the pressing plate is vertically and slidably connected to the guide rod.
3. The label holding assembly of claim 2, wherein: the pressing plate is connected with an elastic piece which is used for enabling the pressing plate to be upwards far away from the supporting plate.
4. A label holding assembly as set forth in claim 3, wherein: the elastic piece is a spring, and the spring is sleeved on the guide rod.
5. The label holding assembly of claim 1, wherein: the pressing force applying unit comprises a first magnet part and a second magnet part fixedly arranged on the pressing plate, and the first magnet part is opposite to the second magnet part; at least one of the first magnet part and the second magnet part is an electromagnet.
6. The label holding assembly of claim 5, wherein: the first magnet portion is fixedly arranged at the top of the supporting plate, the second magnet portion is fixedly arranged at the bottom of the pressing plate, and the first magnet portion and the second magnet portion can be attracted to each other.
7. The label holding assembly of claim 5, wherein: the second magnet portion is fixedly located at the top of the pressing plate, the first magnet portion is located above the second magnet portion, and the first magnet portion and the second magnet portion can repel each other.
8. The label holding assembly of claim 4, wherein: the spring is a pressure spring or a tension spring, the pressure spring is positioned between the supporting plate and the pressing plate, and the tension spring is connected to the top of the pressing plate.
9. The label holding assembly of claim 8, wherein: and a plurality of third conveying rollers are rotatably connected to the support.
10. Flexographic printing machine, its characterized in that: a label holder comprising a housing and a plurality of label holders according to any one of claims 1-9, the label holder being mounted to the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322561952.8U CN220973666U (en) | 2023-09-21 | 2023-09-21 | Label fixing device and flexographic printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322561952.8U CN220973666U (en) | 2023-09-21 | 2023-09-21 | Label fixing device and flexographic printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220973666U true CN220973666U (en) | 2024-05-17 |
Family
ID=91060894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322561952.8U Active CN220973666U (en) | 2023-09-21 | 2023-09-21 | Label fixing device and flexographic printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220973666U (en) |
-
2023
- 2023-09-21 CN CN202322561952.8U patent/CN220973666U/en active Active
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