CN220033477U - Thermoprint membrane unreeling device - Google Patents
Thermoprint membrane unreeling device Download PDFInfo
- Publication number
- CN220033477U CN220033477U CN202320601818.3U CN202320601818U CN220033477U CN 220033477 U CN220033477 U CN 220033477U CN 202320601818 U CN202320601818 U CN 202320601818U CN 220033477 U CN220033477 U CN 220033477U
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- film
- brake
- shaft
- hot stamping
- plate
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- 239000012528 membrane Substances 0.000 title claims abstract description 18
- 238000013016 damping Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000006247 magnetic powder Substances 0.000 description 7
- 238000004804 winding Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
The utility model relates to a thermoprinting film unreeling device, which comprises a film unreeling device mounting plate (2) and a film unreeling shaft (4), wherein the film unreeling shaft (4) passes through the film unreeling device mounting plate (2) and can rotate in the film unreeling shaft, and a thermoprinting film fixing device is used for mounting a thermoprinting film on the film unreeling shaft (4); the brake device (1), the brake device (1) is installed on putting membrane device mounting panel (2), and brake device (1) is connected with putting membrane axle (4) for apply the resistance and produce the damping for putting the rotation of membrane axle (4). The utility model has the advantages of reasonable structural design, stable release film damping, reliable and durable effect, simple structure and low cost.
Description
Technical Field
The utility model relates to a thermoprinting film unreeling device, in particular to a device for applying thermoprinting films in a license plate thermoprinting machine, and belongs to license plate printing film pasting technologies.
Background
Existing technology
The flatness of the hot stamping film in the hot stamping process of the motor vehicle license plate directly influences the hot stamping quality of the surface of the license plate, and the hot stamping equipment on the market at present generally adopts hot stamping film winding and unwinding devices with two structures to control the flatness of the hot stamping film. The winding device adopts a torque motor to control the tension of the hot stamping film, the unwinding device adopts a mode that the hot stamping film is sleeved on a fixed shaft, a baffle presses the end face of the hot stamping film, and the unwinding resistance of the hot stamping film is controlled by the friction force between the baffle and the hot stamping film, so that the hot stamping film is tensioned and kept flat; the second structure is that the winding device adopts a torque motor to control the tension of the hot stamping film, the unwinding device adopts a mode that the hot stamping film is fixed on a rotating shaft, the rotating shaft is arranged on a magnetic powder brake, and the unwinding resistance of the hot stamping film is controlled by controlling the braking force of the magnetic powder brake, so that the tension of the hot stamping film is kept smooth.
In the first structure, abnormal sound can sometimes appear when the thermoprint membrane paper tube is sleeved on the fixed shaft, and paper scraps falling off after the paper tube rotates for a long time can be clamped between the paper tube and the fixed shaft, so that the thermoprint membrane is unreeled and blocked or stopped, and the thermoprint membrane is folded or broken, so that the thermoprint effect is affected. During the use, the hot stamping film rolling diameter can gradually become smaller, and the terminal surface area of baffle and hot stamping film contact reduces, and frictional force gradually becomes smaller, needs the degree of compaction of manual regulation baffle just can keep the unreeling resistance of hot stamping film.
In the second structure, under the condition that the hot stamping equipment is not used for a long time, magnetic powder in the magnetic powder brake can be deposited to generate magnetic bias, the magnetic powder brake can be invalid, and unreeling resistance can not be controlled.
In addition, there are the following prior art solutions:
for example, chinese patent publication No. CN217671687U discloses a constant tension device for a thermoprinting film of a thermoprinting machine, which comprises a frame (1), a license plate conveying assembly (2) is arranged above the frame (1), a casing (3) is arranged above the license plate conveying assembly (2), a lifting thermoprinting roller set (4) is arranged in the middle of the casing (3), two ends of the lifting thermoprinting roller set (4) are respectively provided with an unreeling device (5) and a reeling device (6), and a detection shaft (7), a first fixed shaft (8), a second fixed shaft (9) and a supporting shaft (10) are sequentially arranged between the unreeling device (5) and the reeling device (6); an encoder (11) is arranged on the detection shaft (7), and the encoder (11) is connected with a PLC (programmable logic controller) 12; the winding device (6) and the unwinding device (5) are connected with a servo motor (13), and the servo motor (13) is connected with a PLC (programmable logic controller) 12. The utility model has the characteristic of being convenient for adjusting the tension of the thermoprinting film. However, the technology has higher control precision requirements on the servo motor and the PLC controller, has precise and complex structure, has high cost on one hand, is easy to generate faults on the other hand, can offset the adjusting parameters of the moment after being used for a period of time, and has higher operation and maintenance cost.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the hot stamping film unreeling device which is reasonable in structural design, stable in unreeling film damping, reliable and durable in effect, simple in structure and low in cost.
The technical scheme adopted by the utility model for solving the technical problems is that the thermoprinting film unreeling device comprises a film unreeling device mounting plate (2) and a film unreeling shaft (4), wherein the film unreeling shaft (4) penetrates through the film unreeling device mounting plate (2) and can rotate in the film unreeling device mounting plate, and the thermoprinting film unreeling device is structurally characterized in that: the device also comprises the following components:
the hot stamping film fixing device is used for installing the hot stamping film on the film placing shaft (4);
the film releasing device comprises a film releasing device mounting plate (2), and a braking device (1), wherein the braking device (1) is mounted on the film releasing device mounting plate (2), and the braking device (1) is connected with a film releasing shaft (4) and used for applying resistance to rotation of the film releasing shaft (4) to generate damping.
Preferably, a linear bearing (3) is mounted on the film placing device mounting plate (2), the film placing shaft (4) penetrates through the linear bearing (3), and the linear bearing (3) is used for keeping the parallelism of the film placing shaft (4).
Preferably, the thermoprint film fixing device provided by the utility model comprises two film placing baffles (5), two springs (6), a limiting sleeve (7) and a tightening handle (8), wherein the two film placing baffles (5) are arranged at two ends of the thermoprint film, the springs (6) are sleeved on a film placing shaft (4) outside the film placing baffles (5) at the far end, the limiting sleeve (7) is sleeved outside the springs (6), and the limiting sleeve (7) is fixed on the film placing shaft (4) by the tightening handle (8).
Preferably, the brake device (1) of the utility model comprises a film-releasing shaft fixing plate (11), a brake shaft (12), a brake tightness adjusting plate (13), a brake block (14), a bearing (15), a brake mounting head (16) and a tightness adjusting bolt (19), wherein the brake shaft (12) is sleeved outside the film-releasing shaft (4) and fixed by the film-releasing shaft fixing plate (11), the bearing (15) is sleeved outside the brake shaft (12), the brake mounting head (16) fixedly connected with the film-releasing device mounting plate (2) is sleeved outside the bearing (15), the brake tightness adjusting plate (13) is sleeved outside the brake shaft (12), the brake tightness adjusting plate (13) is fixedly connected with the brake shaft (12) through the tightness adjusting bolt (19), the brake block (14) is arranged between the brake mounting head (16) and the brake tightness adjusting plate (13), and the brake block (14) and the bearing (15) are rubbed mutually.
Preferably, the brake mounting head (16) is fixedly connected with the film releasing device mounting plate (2) through a mounting plate bolt (18).
Preferably, the film placing shaft fixing plate (11) and the film placing shaft (4) are fixedly connected through a fixing plate bolt (17).
Preferably, the linear bearing (3) and the hot stamping film fixing device are arranged on the same side of the mounting plate (2) of the hot stamping film placing device.
Preferably, the hot stamping film of the utility model is arranged on one side of the film placing device mounting plate (2), and the brake device (1) is arranged on the other side of the film placing device mounting plate (2).
Preferably, the linear bearing (3) and the hot stamping film fixing device are arranged on the same side of the mounting plate (2) of the hot stamping film placing device.
Compared with the prior art, the utility model has the following advantages and effects:
1. the unreeling resistance of the thermoprinting film is controlled to be constant, and manual adjustment is not needed.
2. Effectively solves the problems of stuck unreeling and abnormal sound of the thermoprint film.
3. The magnetic powder deposition bias condition of the magnetic powder brake is solved.
4. Solves the problem that the paper scraps of the thermoprint film paper cylinder can block the fixed shaft, so that the thermoprint film unreels to block or stop.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic cross-sectional view of a brake apparatus according to the present utility model.
Description of the reference numerals: the brake device 1, a membrane releasing device mounting plate 2, a linear bearing 3, a membrane releasing shaft 4, a membrane releasing baffle 5, a spring 6, a limit sleeve 7, a tightening handle 8, a membrane releasing shaft fixing plate 11, a brake shaft 12, a brake tightness adjusting plate 13, a brake block 14, a bearing 15, a brake mounting head 16, a fixing plate bolt 17, a mounting plate bolt 18 and a tightness adjusting bolt 19.
Detailed Description
The present utility model will be described in further detail with reference to the following examples, which are illustrative of the present utility model and are not intended to limit the present utility model thereto.
Example 1:
as shown in fig. 1 to 2, this embodiment describes a hot stamping film unreeling device, in the installation, a film unreeling shaft fixing plate 11 is connected to a brake shaft 12 through bolts, then a brake device 1 is assembled according to the brake shaft 12, a brake tightness adjusting plate 13, a brake block 14, a bearing 15 and a brake mounting head 16 in sequence, then the brake device 1 is connected to a film unreeling device mounting plate 2 through a mounting plate bolt 18, and after the installation is completed, the brake tightness adjusting plate 13 is adjusted through a tightness adjusting bolt 19, so that the brake block 14 achieves proper tightness. And then the linear bearing 3 is arranged on the film placing device mounting plate 2, and the linear bearing 3 is used for guaranteeing the parallelism and the rotation flow of the film placing shaft 4. The film placing shaft 4 is then penetrated and locked on the film placing shaft fixing plate 11 through the fixing plate bolts 17.
Finally, the film placing baffle plate 5, the spring 6, the limiting sleeve 7 and the fastening handle 8 are sequentially installed on the film placing shaft 4 to finish installation.
Under the working state of the thermoprinting machine, the thermoprinting film and the paper tube are firstly arranged on the film placing device of the thermoprinting machine, then the thermoprinting film is wound on the film collecting device through the bottom of the rubber roller device, the equipment is started, the license plate is conveyed from the license plate feeding direction by the conveying device, the sensor transmits signals when the license plate is pressed, and the rubber roller device is lowered to the designated height through the lifting mechanism to carry out thermoprinting. Meanwhile, a motor of the film collecting device drives a thermoprint film to collect the film, the thermoprint film drives a film collecting shaft 4, a film collecting baffle 5, a spring 6, a limit sleeve 7 and a fastening handle 8 of the film collecting device to rotate together, and meanwhile, the linear bearing 2 and the brake device 1 are driven to rotate, and damping is generated by the brake device 1 to achieve the film collecting effect.
The thermoprinting film is arranged on the film placing shaft 4, and is pressed by the film placing baffle 5, the spring 6 and the limit sleeve 7, so that the thermoprinting film is fixed on the film placing shaft 4 to rotate together with the film placing shaft. The film releasing shaft 4 is connected with the brake device 1, and rotates through the pulling force of the hot stamping device winding device, and meanwhile, the friction degree between the brake pad 14 and the bearing 15 is controlled by adjusting the pressing force of the brake pad 14 on the brake device 1, so that the unwinding resistance is controlled, and the hot stamping film is tensioned and kept flat.
According to the utility model, the thermoprinting film is pressed by the film placing baffle plate 5, the spring 6 and the limit sleeve 7, and is fixed on the film placing shaft 4 to rotate together with the film placing shaft, so that the problem that paper scraps are generated by long-time friction between the thermoprinting film paper cylinder and the film placing shaft 4 is solved. The film releasing shaft 4 is arranged on the bearing 15, and can rotate in a rolling way through the bearing 15, so that abnormal sound and jamming can not be generated. After the pressing force of the brake pad of the brake device 1 is regulated, no matter how large the hot stamping film is rolled, the resistance of the brake pad 14 is always kept constant, and no readjustment is needed. The brake device 1 adopts a mechanical friction principle, has stable and reliable structure, and can not cause unreeling resistance control failure condition due to failure under general conditions.
In addition, the specific embodiments described in the present specification may differ in terms of parts, shapes of components, names, and the like. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.
Claims (8)
1. The utility model provides a thermoprint membrane unreeling device, contains puts membrane device mounting panel (2), puts membrane axle (4), put membrane axle (4) pass put membrane device mounting panel (2) and can rotate characterized by therein: the device also comprises the following components:
the hot stamping film fixing device is used for installing the hot stamping film on the film placing shaft (4);
the film releasing device comprises a film releasing device mounting plate (2), and a braking device (1), wherein the braking device (1) is mounted on the film releasing device mounting plate (2), and the braking device (1) is connected with a film releasing shaft (4) and used for applying resistance to rotation of the film releasing shaft (4) to generate damping.
2. The hot stamping film unreeling device of claim 1, wherein: the film releasing device is characterized in that a linear bearing (3) is arranged on the film releasing device mounting plate (2), the film releasing shaft (4) penetrates through the linear bearing (3), and the linear bearing (3) is used for keeping the parallelism of the film releasing shaft (4).
3. The hot stamping film unreeling device of claim 1, wherein: the hot stamping film fixing device is composed of a film placing baffle plate (5), springs (6), limiting sleeves (7) and a tightening handle (8), wherein the film placing baffle plate (5) is two, the two film placing baffle plates (5) are arranged at two ends of a hot stamping film, the springs (6) are sleeved on a film placing shaft (4) outside the film placing baffle plate (5) at the far end, the limiting sleeves (7) are sleeved outside the springs (6), and the limiting sleeves (7) are fixed on the film placing shaft (4) by the tightening handle (8).
4. A hot stamping film unreeling device according to claim 1, 2 or 3, characterized in that: the novel brake device is characterized in that the brake device (1) comprises a film releasing shaft fixing plate (11), a brake shaft (12), a brake tightness adjusting plate (13), a brake block (14), a bearing (15), a brake mounting head (16) and a tightness adjusting bolt (19), wherein the brake shaft (12) is sleeved outside the film releasing shaft (4) and fixed by the film releasing shaft fixing plate (11), the bearing (15) is sleeved outside the brake shaft (12), the brake mounting head (16) fixedly connected with the film releasing device mounting plate (2) is sleeved outside the bearing (15), the brake tightness adjusting plate (13) is fixedly connected with the brake shaft (12) through the tightness adjusting bolt (19), the brake mounting head (16) and the brake tightness adjusting plate (13) are provided with the brake block (14), and the brake block (14) and the bearing (15) are rubbed mutually.
5. The hot stamping film unreeling device of claim 4, wherein: the brake mounting head (16) is fixedly connected with the membrane releasing device mounting plate (2) through a mounting plate bolt (18).
6. The hot stamping film unreeling device of claim 4, wherein: the film placing shaft fixing plate (11) is fixedly connected with the film placing shaft (4) through a fixing plate bolt (17).
7. The hot stamping film unreeling device of claim 2, wherein: the linear bearing (3) and the hot stamping film fixing device are arranged on the same side of the hot stamping film unreeling device mounting plate (2).
8. The hot stamping film unreeling device of claim 1, 2, 3 or 7, wherein: the hot stamping film is arranged on one side of the film placing device mounting plate (2), and the brake device (1) is arranged on the other side of the film placing device mounting plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320601818.3U CN220033477U (en) | 2023-03-24 | 2023-03-24 | Thermoprint membrane unreeling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320601818.3U CN220033477U (en) | 2023-03-24 | 2023-03-24 | Thermoprint membrane unreeling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220033477U true CN220033477U (en) | 2023-11-17 |
Family
ID=88737715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320601818.3U Active CN220033477U (en) | 2023-03-24 | 2023-03-24 | Thermoprint membrane unreeling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220033477U (en) |
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2023
- 2023-03-24 CN CN202320601818.3U patent/CN220033477U/en active Active
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