CN202657745U - Folding collection device for plastic films - Google Patents
Folding collection device for plastic films Download PDFInfo
- Publication number
- CN202657745U CN202657745U CN 201220234184 CN201220234184U CN202657745U CN 202657745 U CN202657745 U CN 202657745U CN 201220234184 CN201220234184 CN 201220234184 CN 201220234184 U CN201220234184 U CN 201220234184U CN 202657745 U CN202657745 U CN 202657745U
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- China
- Prior art keywords
- swinging mounting
- balance staff
- nip rolls
- traction nip
- swinging
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a folding collection device for plastic films. The folding collection device for plastic films comprises a rack, wherein a pair of primary traction clamping rollers and a first motor are arranged on the rack; a swinging bracket is arranged below the primary traction clamping rollers; a swinging shaft is arranged at the upper part of the swinging bracket; the central axis of the swinging shaft is parallel to the axial direction of the primary traction clamping rollers; the swinging shaft of the swinging bracket is formed by a left section and a right section on a same straight line; a secondary traction clamping roller and a second motor are arranged at the lower part of the swinging bracket; two guide rollers are fixedly arranged on the rack; watching from the up-down direction, the two guide rollers and the swinging shaft are located at a same height; watching from the front-back direction, the two guide rollers are respectively located at the front and rear sides of the central axis of the swinging shaft of the swinging bracket; and watching from the left-right direction, the two guide rollers are located between the left and right sections of the swinging shaft in parallel. According to the folding collection device for plastic films, in the folding and swinging process of a film, the tensile force of the film between the primary and second traction clamping rollers does not change, so that the reliable cutting action of a cutter is ensured and the structure is simple.
Description
Technical field
The utility model belongs to the technical field of plastic film production facilities, is specifically related to a kind of collapsible collection apparatus of plastic film.
Background technology
The fabric width of agricultural film is very wide, if adopt traditional winding method to collect rolling, then the fabric width of rolling coiled material is still constant, therefore bothers very much in transportation, loading and unloading and storage process, and is in use also very inconvenient.Afterwards, people had invented the packing-box design mode of agricultural film, and so-called packing-box design mode is taked longitudinally to fold back and forth to collect to finished film exactly, again according to width requirement after laterally be converted into the number folding, a kind of blister-pack form of the rectangle carton of packing into.The packing-box design of film greatly improves the image of product, and because width is little, is convenient to transportation, loading and unloading and storage, and is in use also particularly convenient, thereby has very high commercial value, and the higher market demand is also arranged.
Not yet occur in early days before the collapsible collection apparatus, some plastic sheeting for farm use manufacturer is in order to satisfy the requirement of client's " packing-box design ", have to be with the rolling film that has batched, again pass through artificial or Simple mechanical folding assisted, sell with the form of case dress again.People had succeeded in developing the collapsible collection apparatus of plastic film afterwards.The collapsible collection apparatus of plastic film is different from traditional " winder ", because usually " rolling " refers to that takeup type collects, and collapsiblely collects the action of not reeling.
Structure and the technological process of existing collapsible collection apparatus are as follows: shown in Figure 1, in frame a pair of main traction nip rolls 1 is installed, main traction nip rolls 1 is rotated by the first motor-driven, below main traction nip rolls, be provided with swinging mounting 2, swinging mounting 2 also is connected with driver train (this driver train can be piston crank mechanism), and swinging mounting 2 is driven by driver train and around balance staff 3 swings on its top; The bottom of swinging mounting is equipped with a pair of auxiliary traction nip rolls 5, and the auxiliary traction nip rolls is rotated by the second motor-driven; The table top that the below of swinging mounting is provided with this plummer of plummer 6(of bearing film is typically provided with load-transfer device 7).During work, film 9 from the blown film unit is sent through some deflector rolls, enters the main traction nip rolls 1 on collapsible collection apparatus top, main traction nip rolls with the synchronous speed of manufacturing line and constant tension force tracting film 9, send into the auxiliary traction nip rolls 5 of swinging mounting bottom; At film when auxiliary traction nip rolls 5 is sent, swinging mounting 2 swing under the driving of piston crank mechanism, auxiliary traction nip rolls 5 is around rotating shaft 3 swings of swinging mounting, make film 9 roll over freely pendulum, fall within above the plummer, realize thus longitudinally folding collecting back and forth of finished film, as shown in Figure 1; When length was collected in the arrival setting, high speed cutter cut off film; Then load-transfer device starts, and the film that folds is sent, and has namely finished the process of an auto-folder, and it is the number folding that the film of sending is laterally rolled over by artificial edge again, and the carton of packing into is finished whole packing-box design process.
But above-mentioned existing collapsible collection apparatus still has the following disadvantages: the haulage speed of the auxiliary traction nip rolls 5 during the master on top draws nip rolls 1 and is fixed on swinging mounting is consistent, but because swinging mounting swing, the position of auxiliary traction nip rolls 5 constantly changes, length from main traction nip rolls 1 to the film path the auxiliary traction nip rolls 5 will constantly change, such as Fig. 2, shown in Fig. 3, in Fig. 2, when swinging mounting swings to the intermediate equilibria position, main traction nip rolls 1 is straight line ABC to the film path between the auxiliary traction nip rolls 5, and the distance in film path is AC; And in Fig. 3, when swinging mounting swings to when taking over end position, main traction nip rolls is AD to the film path distance between the auxiliary traction nip rolls, obvious AD＜AB+BD, and AB+BD=AB+BC=AC, namely AD＜AC means that the film path of state shown in Fig. 2 is greater than the film path of state shown in Fig. 3, will cause like this two problems: 1, memberane stress can change along with the change of film path distance, and when pine time is tight; 2, during change of lap, because memberane stress is fixing, when tension force was not enough, cutting knife possibly can't cut off film crisply, and it is unreliable to cut off.
At present, people are in order to overcome the above problems, generally be to adopt magnetic-powder clutch to control the velocity of rotation of the main traction nip rolls of auxiliary traction nip rolls speed and top, the two speed can be changed along with the variation of the two distance, thereby reduce the variation of tension force, but this structure is complicated, and control difficulty, fault rate is high, and is unreliable.
The utility model content
The purpose of this utility model is to provide a kind of collapsible collection apparatus of plastic film overcoming above-mentioned shortcoming, it can make in the film-folding pendulum process, main traction nip rolls can not change to the memberane stress between the auxiliary traction nip rolls, guarantees that cutting knife cuts off reliable in action, and simple in structure.
Its purpose can realize by following scheme: the collapsible collection apparatus of this plastic film comprises frame, in frame a pair of main traction nip rolls and the first motor are installed, main traction nip rolls is rotated by the first motor-driven, below main traction nip rolls, be provided with swinging mounting, the top of swinging mounting is provided with balance staff, and the central axis of balance staff is parallel to the axial of main traction nip rolls; The balance staff of swinging mounting by about being located along the same line two sections consist of, wherein left section of balance staff connects the upper left corner of swinging mounting, right section upper right corner that connects swinging mounting of balance staff; Swinging mounting also is connected with driver train, and swinging mounting is driven by driver train and around the balance staff swing; In the bottom of swinging mounting a pair of auxiliary traction nip rolls and the second motor are installed, the auxiliary traction nip rolls is rotated by the second motor-driven, and the axially parallel of auxiliary traction nip rolls is in the balance staff central axis; The below of swinging mounting is provided with the plummer of bearing film; Its principal feature is, also is installed with two deflector rolls on the frame, and two deflector rolls are close together side by side; Look up from upper and lower, two deflector rolls and balance staff are in the sustained height position; Look up from front and back, two deflector rolls lay respectively at the both sides, front and back of swinging mounting balance staff central axis; Look up from right and left, two deflector rolls are side by side between right section of left section of balance staff and balance staff.
The table top of the plummer of described bearing film is provided with load-transfer device.
The driver train of described swinging mounting is piston crank mechanism.
Cutter mechanism also is installed on the swinging mounting.
In the present specification, take the bearing of trend of the balance staff central axis of swinging mounting as left and right directions, be fore-and-aft direction perpendicular to the horizontal direction of left and right directions.
The utlity model has following advantage and effect:
1, the utility model is set up two deflector rolls between main traction nip rolls and auxiliary traction nip rolls, article two, the line of centers of deflector roll and swinging mounting balance staff central axis are overlapping, like this, in the process that swinging mounting swings, length from main traction nip rolls to the film path the auxiliary traction nip rolls just remains unchanged, so memberane stress remains unchanged, further, because memberane stress remains unchanged, can guarantee that cutting knife cuts off reliable in action.
Description of drawings
Fig. 1 is the collapsible collection apparatus principle of work schematic diagram of plastic film.
Fig. 2 is the view of collapsible collection apparatus when film swings to the intermediate equilibria position of conventional plastic film.
Fig. 3 is that the collapsible collection apparatus of conventional plastic film swings to view when taking over end position at film.
Fig. 4 is the structural representation of a kind of embodiment of the utility model.
Fig. 5 is side-looking structural representation embodiment illustrated in fig. 4.
Fig. 6 is the view of the utility model embodiment when film swings to the intermediate equilibria position.
To be the utility model embodiment swing to view when taking over end position at film to Fig. 7.
The specific embodiment
Fig. 4, shown in Figure 5, the collapsible collection apparatus of this plastic film comprises frame, in frame a pair of main traction nip rolls 1 and the first motor are installed, main traction nip rolls 1 is rotated by the first motor-driven, below main traction nip rolls 1, be provided with swinging mounting 2, the top of swinging mounting 2 is provided with balance staff 3, and the central axis of balance staff 3 is parallel to the axial of main traction nip rolls 1; The balance staff 3 of swinging mounting is made of two sections (being right section 32 of left section 31 of balance staff and balance staff) about being located along the same line, left section 31 upper left corner that connects swinging mounting of balance staff wherein, right section 32 upper right corner 32 that connects swinging mounting of balance staff; Swinging mounting also is connected with driver train, and around the balance staff swing, this driver train is piston crank mechanism to swinging mounting by the driver train driving.Cutter mechanism 4 also is installed on the swinging mounting.In the bottom of swinging mounting 2 a pair of auxiliary traction nip rolls 5 and the second motor are installed, auxiliary traction nip rolls 5 is rotated by the second motor-driven, and the axially parallel of auxiliary traction nip rolls 5 is in balance staff 3 central axis; The below of swinging mounting 2 is provided with the plummer 6 of bearing film; The table top of plummer is provided with load-transfer device 7.Also being installed with 8, two deflector rolls 8 of two deflector rolls on the frame is close together side by side; Look up from upper and lower, two deflector rolls 8 are in the sustained height position with balance staff 3; Look up from front and back, two deflector rolls 8 lay respectively at the both sides, front and back of swinging mounting balance staff 3 central axis; Look up from right and left, two deflector rolls 8 are side by side between right section 32 of left section 31 of balance staff and balance staff.In brief, the line of centers of two deflector rolls 8 (being expressed as the B point in Fig. 6, Fig. 7) is overlapping with the central axis of swinging mounting balance staff 3,
Above-described embodiment when work, swinging mounting 2 swing under the driving of piston crank mechanism, shown in curved arrow among Fig. 4, film 9 swing and on plummer 6, folding under the traction of auxiliary traction nip rolls 5.When swinging mounting 2 swings to the intermediate equilibria position, main traction nip rolls 1 is AC to the film path distance between the auxiliary traction nip rolls 5, as shown in Figure 6, when swinging mounting 2 swings to other position (end position for example takes over), main traction nip rolls 1 is broken line ABD to the film path between the auxiliary traction nip rolls 5, distance is AB+BD, as shown in Figure 7, obvious AB+BD=AB+BC=AC, mean in the process that swinging mounting swings, length from main traction nip rolls 1 to the film path the auxiliary traction nip rolls 5 remains unchanged, so film 9 tension force remain unchanged.
When length was collected in the arrival setting, film 9 can be cut off by cutting knife 4; Because film 9 tension force remain unchanged, can guarantee that cutting knife 4 cuts off reliable in action.After the cut-out, load-transfer device 7 starts immediately, and the film that folds is sent, and has namely finished the process of an auto-folder, and it is the number folding that the film of sending is laterally rolled over by artificial edge, and the carton of packing into is finished whole packaging process.
Claims (4)
1. the collapsible collection apparatus of a plastic film, comprise frame, in frame a pair of main traction nip rolls and the first motor are installed, main traction nip rolls is rotated by the first motor-driven, below main traction nip rolls, be provided with swinging mounting, the top of swinging mounting is provided with balance staff, and the central axis of balance staff is parallel to the axial of main traction nip rolls; The balance staff of swinging mounting by about being located along the same line two sections consist of, wherein left section of balance staff connects the upper left corner of swinging mounting, right section upper right corner that connects swinging mounting of balance staff; Swinging mounting also is connected with driver train, and swinging mounting is driven by driver train and around the balance staff swing; In the bottom of swinging mounting a pair of auxiliary traction nip rolls and the second motor are installed, the auxiliary traction nip rolls is rotated by the second motor-driven, and the axially parallel of auxiliary traction nip rolls is in the balance staff central axis; The below of swinging mounting is provided with the plummer of bearing film; It is characterized in that: also be installed with two deflector rolls on the frame, two deflector rolls are close together side by side; Look up from upper and lower, two deflector rolls and balance staff are in the sustained height position; Look up from front and back, two deflector rolls lay respectively at the both sides, front and back of swinging mounting balance staff central axis; Look up from right and left, two deflector rolls are side by side between right section of left section of balance staff and balance staff.
2. the collapsible collection apparatus of plastic film according to claim 1, it is characterized in that: the table top of the plummer of described bearing film is provided with load-transfer device.
3. the collapsible collection apparatus of plastic film according to claim 1 and 2, it is characterized in that: the driver train of described swinging mounting is piston crank mechanism.
4. the collapsible collection apparatus of plastic film according to claim 1 and 2 is characterized in that: cutter mechanism also is installed on the swinging mounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220234184 CN202657745U (en) | 2012-05-23 | 2012-05-23 | Folding collection device for plastic films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220234184 CN202657745U (en) | 2012-05-23 | 2012-05-23 | Folding collection device for plastic films |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202657745U true CN202657745U (en) | 2013-01-09 |
Family
ID=47452666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220234184 Expired - Lifetime CN202657745U (en) | 2012-05-23 | 2012-05-23 | Folding collection device for plastic films |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202657745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106548820A (en) * | 2016-12-09 | 2017-03-29 | 航天晨光股份有限公司 | A kind of vehicular film body automatic packing machine structure |
| CN109287697A (en) * | 2017-07-25 | 2019-02-01 | 山东银鹰炊事机械有限公司 | A kind of musculus cutaneus auto-folder equipment |
-
2012
- 2012-05-23 CN CN 201220234184 patent/CN202657745U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106548820A (en) * | 2016-12-09 | 2017-03-29 | 航天晨光股份有限公司 | A kind of vehicular film body automatic packing machine structure |
| CN106548820B (en) * | 2016-12-09 | 2018-11-16 | 航天晨光股份有限公司 | A kind of vehicular membrane body automatic packaging mechanism |
| CN109287697A (en) * | 2017-07-25 | 2019-02-01 | 山东银鹰炊事机械有限公司 | A kind of musculus cutaneus auto-folder equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |