CN210162343U - Film cutting mechanism - Google Patents
Film cutting mechanism Download PDFInfo
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- CN210162343U CN210162343U CN201921119018.8U CN201921119018U CN210162343U CN 210162343 U CN210162343 U CN 210162343U CN 201921119018 U CN201921119018 U CN 201921119018U CN 210162343 U CN210162343 U CN 210162343U
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- roller
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- conveying roller
- film cutting
- unfolded
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Abstract
The utility model discloses a film cutting mechanism, include: the front conveying roller comprises a front carrier roller and a front pressing roller used for clamping the unfolded film by matching with the front carrier roller; the rear conveying roller is used for being matched with the front conveying roller to convey the unfolded film backwards, and comprises a rear carrier roller and a rear pressing roller used for being matched with the rear carrier roller to clamp the unfolded film; a roller driving device connected to the front conveying roller or the rear conveying roller; the accelerating transmission device is used for transmitting between the front transmission roller and the rear transmission roller and enabling the rotating speed of the rear transmission roller to be greater than that of the front transmission roller so as to tension the unfolded film; and the film cutting device body is arranged between the front conveying roller and the rear conveying roller. The film cutting device has the advantages that the film is unfolded and conveyed by the aid of roller conveying, the film is cut by the film cutting device body, film cutting efficiency can be improved, the film unfolded between the front conveying roller and the rear conveying roller can be always kept in a tensioning state by the aid of the accelerating transmission device, and accuracy of the size of the cut film can be further improved.
Description
Technical Field
The utility model relates to a cut membrane technology field, in particular to cut membrane mechanism.
Background
For films such as films applied to mobile phones, in the manufacturing process, a roll material film needs to be unfolded and then cut into uniform sizes.
However, the current typical film cutting method is manually implemented, a blade is manually used to cut off the film, the manual operation has instability in dimensional accuracy and efficiency, and the working efficiency is low.
Therefore, how to improve the membrane cutting efficiency is a technical problem that needs to be solved by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a cut membrane mechanism can improve and cut membrane efficiency.
In order to achieve the above object, the utility model provides a following technical scheme:
a film cutting mechanism comprising:
the front conveying roller comprises a front carrier roller and a front pressing roller which is used for being matched with the front carrier roller to clamp the unfolded film;
the rear conveying roller is used for being matched with the front conveying roller to convey the unfolded film backwards, and comprises a rear carrier roller and a rear pressing roller which is used for being matched with the rear carrier roller to clamp the unfolded film;
a roller driving device connected to the front conveying roller or the rear conveying roller;
the accelerating transmission device is used for transmitting between the front conveying roller and the rear conveying roller and enabling the rotating speed of the rear conveying roller to be greater than that of the front conveying roller so as to tension the unfolded film, and the accelerating transmission device is connected with the front conveying roller and the rear conveying roller;
and the film cutting device body is arranged between the front conveying roller and the rear conveying roller.
Preferably, the acceleration transmission device is a synchronous belt transmission device, the front transmission roller is connected to a large synchronous wheel in the synchronous belt transmission device, and the rear transmission roller is connected to a small synchronous wheel in the synchronous belt transmission device.
Preferably, the roller driving device is connected to the front idler or the rear idler.
Preferably, still include detection device, detection device locates back transfer roller rear side, detection device with roller drive arrangement electricity connection controlling means, controlling means is used for when detection device senses the film roller drive arrangement stall, and control cut the membrane of membrane device body.
Preferably, the film cutting device body comprises a blade and a film cutting cylinder for driving the blade to move, and the blade is connected to the film cutting cylinder.
Preferably, the film cutting device further comprises a supporting plate for supporting the unfolded film, the supporting plate is arranged between the front conveying roller and the rear conveying roller, and the supporting plate is located below the film cutting device body.
Preferably, the supporting plate is provided with a film cutting groove for limiting a film cutting track of the blade, and the bottom end of the blade is positioned in the film cutting groove.
Preferably, still include the support frame, it is connected with the pivot that is used for connecting the coil stock film to rotate on the support frame, preceding transfer roller is located the support frame with between the back transfer roller.
Preferably, the top of the support frame is provided with an installation groove with an upward opening, and the rotating shaft is arranged in the installation groove.
Preferably, the front conveying roller and the rear conveying roller are arranged on the frame, and the axial positions of the front conveying roller and the rear conveying roller on the frame are adjustable.
The utility model provides a cut membrane mechanism, include: the front conveying roller comprises a front carrier roller and a front pressing roller used for clamping the unfolded film by matching with the front carrier roller; the rear conveying roller is used for being matched with the front conveying roller to convey the unfolded film backwards, and comprises a rear carrier roller and a rear pressing roller used for being matched with the rear carrier roller to clamp the unfolded film; a roller driving device connected to the front conveying roller or the rear conveying roller; the accelerating transmission device is used for transmitting between the front transmission roller and the rear transmission roller and enabling the rotating speed of the rear transmission roller to be greater than that of the front transmission roller so as to tension the unfolded film; and the film cutting device body is arranged between the front conveying roller and the rear conveying roller.
Adopt the roll conveying to realize the expansion and the conveying of film, cut the membrane through cutting the membrane device body, can improve the degree of automation of the membrane process of cutting, improve and cut membrane efficiency, practice thrift the cost of labor, can carry out digital control to the size of a dimension and the precision of cutting the membrane, and simultaneously, through the setting of transmission with higher speed, the film that can make to expand between preceding conveying roller and the back transfer roller remains throughout at the tensioning state, can further improve the accuracy of cutting the membrane size, realize the uniformity of coil stock film shearing size, and the film after cutting off will with the uncut film between pull out certain distance, be favorable to confirming the initial position of the next film of waiting to cut and the separation of the film after the cutting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of a first perspective structure according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a second perspective structure according to an embodiment of the present invention;
FIG. 3 is a front view of an embodiment of the present invention;
fig. 4 is a side view of an embodiment of the present invention;
fig. 5 is a top view of an embodiment of the present invention.
In fig. 1 to 5:
1-roll material film, 2-motor, 3-front carrier roller, 4-front press roller, 5-big synchronizing wheel, 6-synchronizing belt, 7-small synchronizing wheel, 8-rear carrier roller, 9-rear press roller, 10-detection device, 11-film cutting cylinder, 12-blade, 13-supporting plate, 131-film cutting groove, 14-rotating shaft, 15-supporting frame, 151-mounting groove and 16-frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a film cutting mechanism, can improve film cutting efficiency.
In one embodiment of the film cutting mechanism, please refer to fig. 1 to 5, which includes a front conveying roller, a rear conveying roller, a roller driving device, an accelerating transmission device and a film cutting device body. The film cutting mechanism can be particularly applied to film cutting and pasting processes of film films or other film processes needing cutting.
The front conveying roller comprises a front supporting roller 3 and a front pressing roller 4 used for being matched with the front supporting roller 3 to clamp the unfolded film, and the front supporting roller 3 is arranged below the front pressing roller 4. The rear conveying roller comprises a rear carrier roller 8 and a rear pressing roller 9 which is used for being matched with the rear carrier roller 8 to clamp the unfolded film, and the rear carrier roller 8 is arranged below the rear pressing roller 9. The rear transport roller is matched with the front transport roller to transport the film backwards. The roller driving device is connected to the front conveying roller or the rear conveying roller, preferably to the front carrier roller 3 or the rear carrier roller 8, and the height of the carrier roller is lower than that of the compression roller, so that the installation is convenient. The accelerating transmission device is used for transmission between the front conveying roller and the rear conveying roller, the rotating speed ratio of the front conveying roller to the rear conveying roller can be adjusted, the rotating speed of the rear conveying roller is larger than that of the front conveying roller to stretch the expanded film, and the accelerating transmission device is connected with the front conveying roller and the rear conveying roller. The film cutting device body is arranged between the front conveying roller and the rear conveying roller.
In the embodiment shown in fig. 1, the roller driving device is specifically a motor 2, the motor 2 is connected to the front carrier roller 3, the accelerating transmission device is connected to the front carrier roller 3 and the rear carrier roller 8, the motor 2 drives the front carrier roller 3 to rotate, the front carrier roller 3 drives the rear carrier roller 8 to move through the accelerating transmission device, and the rotating speed of the rear carrier roller 8 is greater than that of the front carrier roller 3. Accordingly, the front press roller 4 rotates by a frictional force with the film and the front carrier roller 3, and the rear press roller 9 rotates by a frictional force with the film and the rear carrier roller 8. The film can expand between the front conveying roller and the rear conveying roller and continuously move backwards, and meanwhile, the rotating speed of the rear conveying roller is greater than that of the front conveying roller, so that the expanded film between the front conveying roller and the rear conveying roller can be kept in a tensioning state, and the film cutting device body can cut the film. Of course, in other embodiments, the roller driving device may be a rotary cylinder, and in addition, the roller driving device may be connected to the rear conveying roller.
The roller driving device can run at a constant speed, and correspondingly, the acceleration transmission device provides constant tension for the film between the front conveying roller and the rear conveying roller.
The tension applied to the film between the front and rear transfer rollers is of such a magnitude that the film cannot be deformed or damaged.
Wherein the axial directions of the front and rear conveying rollers are generally arranged in parallel.
In this embodiment, adopt the roller conveying to realize the expansion and the conveying of film, cut the membrane through cutting the membrane device body, can improve the degree of automation of the membrane process of cutting, improve membrane cutting efficiency, practice thrift the cost of labor, can carry out digital control to the size of a dimension and the precision of cutting the membrane, and simultaneously, through the setting of transmission with higher speed, can make the film that expandes between preceding conveying roller and the back conveying roller remain at the tensioning state all the time, can further improve the accuracy of cutting the membrane size, realize 1 unity of cutting the size of coil stock film, and the film after cutting off will with the uncut film between pull out certain distance, be favorable to confirming the initial position of next waiting to cut the film and the separation of the film after the cutting.
Furthermore, the accelerating transmission device is a synchronous belt transmission device, the front transmission roller is connected to a large synchronous wheel 5 in the synchronous belt transmission device, the rear transmission roller is connected to a small synchronous wheel 7 in the synchronous belt transmission device, the large synchronous wheel 5 and the small synchronous wheel 7 are connected through a synchronous belt 6, and the radiuses of the two synchronous wheels are in proportional relation. Specifically, as shown in fig. 1, the front carrier roller 3 is connected with the large synchronizing wheel 5, the rear carrier roller 8 is connected with the small synchronizing wheel 7, the rotating speed of the front carrier roller 3 is lower than that of the rear carrier roller 8, the rotating speed of the front conveying roller is lower than that of the rear conveying roller, and therefore the film is tensioned between the front conveying roller and the rear conveying roller.
Of course, in other embodiments, the acceleration transmission may also be a gearbox or other transmission device.
Further, this film cutting mechanism still includes detection device 10, and this detection device 10 sets up in the transfer roller rear side of back, and detection device 10 is connected controlling means with roller drive arrangement electricity, and this controlling means is used for controlling roller drive arrangement stop operation when detecting device 10 senses the film to film cutting device body film cutting is controlled.
As shown in fig. 5, the detecting device 10 is an infrared sensor, when the film is delivered from the rear conveying roller and the free end moves to a set position, the infrared sensor detects the film, the film cutting device body operates to cut the film, and a portion of the film between the film cutting position of the film cutting device body and the set position detected by the infrared sensor is the film with a certain length. In addition, because the cut film is pulled out a certain distance from the uncut film, the infrared sensor can accurately sense the end of the film of the next cycle. Of course, in other embodiments, the detection device 10 may also be configured as an ultrasonic sensor; or the camera is used for determining whether the film moves to the set position or not through shooting of the camera.
Further, as shown in fig. 2, the film cutting device body comprises a blade 12 and a film cutting cylinder 11 for driving the blade 12 to move, and the blade 12 is connected to the film cutting cylinder 11. Wherein, optionally, the film cutting cylinder 11 can drive the blade 12 to reciprocate linearly along the axial direction parallel to the front conveying roller.
Further, this film cutting mechanism still includes layer board 13 that is used for holding the film, and layer board 13 sets up in the front between transfer roller and the back transfer roller, and layer board 13 is located the below of cutting the membrane device body, holds the film through layer board 13, makes things convenient for the cutting of blade 12.
Further, the supporting plate 13 is provided with a film cutting groove 131 corresponding to the film cutting track of the blade 12, the bottom end of the blade 12 is located in the film cutting groove 131, as shown in fig. 2, the position of the blade 12 close to the bottom end contacts with the film and cuts the film, the film cutting groove 131 limits the moving direction of the blade 12, and the blade 12 is prevented from shaking in the cutting process due to the fact that the blade 12 is too thin, so that the blade 12 stably moves to cut the film.
Further, this film cutting mechanism still includes support frame 15, rotates on the support frame 15 to be connected with the pivot 14 that is used for connecting coil stock film 1, and preceding transfer roller setting is between support frame 15 and back transfer roller, through the setting of pivot 14 and support frame 15, can make things convenient for placing of coil stock film 1.
Further, the top of the supporting frame 15 is provided with an installation groove 151 with an upward opening, and the rotating shaft 14 is arranged in the installation groove 151, so that the installation of the rotating shaft 14 is facilitated. After one material rolling film 1 is used up, the rotating shaft 14 can be detached, and the other rotating shaft 14 which is fully rolled with the material rolling film 1 is placed in the mounting groove 151 from top to bottom, so that the mounting of the rotating shaft 14 is realized, and the material supplementing operation of the material rolling film 1 is facilitated.
Further, the front conveying roller and the rear conveying roller are both arranged on the machine frame 16, and specifically, the front conveying roller and the rear conveying roller can be respectively corresponding to one machine frame 16. The axial positions of the front and rear conveyor rollers on the frame 16 are adjustable. Wherein the axial position of the front and rear conveyor rollers on the frame 16 may be fixed during operation. However, when the film on the front conveying roller or the rear conveying roller has an axial deviation problem, the axial position of the film on the roller can be adjusted by adjusting the axial position of the front conveying roller or the rear conveying roller on the frame 16 to ensure the cut film shape.
In a specific use process of the film cutting mechanism provided by the embodiment, the front end of the roll material film 1 is clamped by the front supporting roller 3 and the front pressing roller 4, and when the motor 2 rotates, the film is driven to be conveyed backwards. The end of the front carrier roller 3 is connected with a large synchronizing wheel 5, the end of the rear carrier roller 8 is connected with a small synchronizing wheel 7, the two synchronizing wheels are connected through a synchronizing belt 6, and the film is tensioned with constant force. When the infrared sensor senses that a film exists, the film cutting cylinder 11 drives the blade 12 to move, so that the film is cut off on the supporting plate 13, and a cycle is completed. After cutting, because the rotating speed of the front carrier roller 3 is less than that of the rear carrier roller 8, the cut film and the uncut film are pulled out for a certain distance, and the film end of the next cycle can be sensed by the infrared sensor.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The film cutting mechanism provided by the utility model is described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A film cutting mechanism, comprising:
the front conveying roller comprises a front carrier roller (3) and a front pressing roller (4) which is used for being matched with the front carrier roller (3) to clamp the unfolded film;
the rear conveying roller is used for being matched with the front conveying roller to convey the unfolded film backwards, and comprises a rear carrier roller (8) and a rear pressing roller (9) which is used for being matched with the rear carrier roller (8) to clamp the unfolded film;
a roller driving device connected to the front conveying roller or the rear conveying roller;
the accelerating transmission device is used for transmitting between the front conveying roller and the rear conveying roller and enabling the rotating speed of the rear conveying roller to be greater than that of the front conveying roller so as to tension the unfolded film, and the accelerating transmission device is connected with the front conveying roller and the rear conveying roller;
and the film cutting device body is arranged between the front conveying roller and the rear conveying roller.
2. The film cutting mechanism according to claim 1, wherein the accelerating transmission device is a synchronous belt transmission device, the front conveying roller is connected to a large synchronous wheel (5) in the synchronous belt transmission device, and the rear conveying roller is connected to a small synchronous wheel (7) in the synchronous belt transmission device.
3. The film cutting mechanism according to claim 1, wherein the roller driving device is connected to the front idler (3) or the rear idler (8).
4. The film cutting mechanism according to any one of claims 1 to 3, further comprising a detection device (10), wherein the detection device (10) is arranged at the rear side of the rear conveying roller, the detection device (10) is electrically connected with the roller driving device, and the control device is used for controlling the roller driving device to stop running and controlling the film cutting device body to cut the film when the detection device (10) senses the film.
5. The film cutting mechanism according to claim 4, characterized in that the film cutting device body comprises a blade (12) and a film cutting cylinder (11) for driving the blade (12) to move, and the blade (12) is connected to the film cutting cylinder (11).
6. The film cutting mechanism according to claim 5, further comprising a supporting plate (13) for supporting the unfolded film, wherein the supporting plate (13) is arranged between the front conveying roller and the rear conveying roller, and the supporting plate (13) is positioned below the film cutting device body.
7. The film cutting mechanism according to claim 6, characterized in that the supporting plate (13) is provided with a film cutting groove (131) for limiting the film cutting track of the blade (12), and the bottom end of the blade (12) is positioned in the film cutting groove (131).
8. The film cutting mechanism according to claim 4, further comprising a support frame (15), wherein a rotating shaft (14) for connecting a roll material film (1) is rotatably connected to the support frame (15), and the front conveying roller is arranged between the support frame (15) and the rear conveying roller.
9. The film cutting mechanism according to claim 8, wherein the top of the supporting frame (15) is provided with a mounting groove (151) with an upward opening, and the rotating shaft (14) is arranged in the mounting groove (151).
10. The film cutting mechanism according to claim 4, characterized in that the front conveying roller and the rear conveying roller are both arranged on a frame (16), and the axial positions of the front conveying roller and the rear conveying roller on the frame (16) are adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921119018.8U CN210162343U (en) | 2019-07-16 | 2019-07-16 | Film cutting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921119018.8U CN210162343U (en) | 2019-07-16 | 2019-07-16 | Film cutting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210162343U true CN210162343U (en) | 2020-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921119018.8U Active CN210162343U (en) | 2019-07-16 | 2019-07-16 | Film cutting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210162343U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891813A (en) * | 2020-06-15 | 2020-11-06 | 四川省宜宾环球集团有限公司 | Semi-automatic film cutting system and semi-automatic film cutting method |
| CN111977099A (en) * | 2020-08-14 | 2020-11-24 | 成都慧晶机械设备有限公司 | Fixed-length cutting conveying positioning device |
| CN112935961A (en) * | 2021-02-05 | 2021-06-11 | 唐满结 | Bamboo strip grinding device |
-
2019
- 2019-07-16 CN CN201921119018.8U patent/CN210162343U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891813A (en) * | 2020-06-15 | 2020-11-06 | 四川省宜宾环球集团有限公司 | Semi-automatic film cutting system and semi-automatic film cutting method |
| CN111977099A (en) * | 2020-08-14 | 2020-11-24 | 成都慧晶机械设备有限公司 | Fixed-length cutting conveying positioning device |
| CN111977099B (en) * | 2020-08-14 | 2022-02-22 | 成都慧晶机械设备有限公司 | Fixed-length cutting conveying positioning device |
| CN112935961A (en) * | 2021-02-05 | 2021-06-11 | 唐满结 | Bamboo strip grinding device |
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