CN221497090U - Transverse stretching machine for BOPP film production - Google Patents
Transverse stretching machine for BOPP film production Download PDFInfo
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- CN221497090U CN221497090U CN202323359742.7U CN202323359742U CN221497090U CN 221497090 U CN221497090 U CN 221497090U CN 202323359742 U CN202323359742 U CN 202323359742U CN 221497090 U CN221497090 U CN 221497090U
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- fixedly connected
- bopp film
- telescopic rod
- stretching
- electric telescopic
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- 239000011127 biaxially oriented polypropylene Substances 0.000 title claims abstract description 82
- 229920006378 biaxially oriented polypropylene Polymers 0.000 title claims abstract description 82
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 70
- 238000005266 casting Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 45
- 238000010438 heat treatment Methods 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 238000010345 tape casting Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The utility model relates to the technical field of BOPP film production, and discloses a transverse stretcher for BOPP film production, which comprises a casting equipment main body and a mounting frame, wherein two mounting frames are fixedly connected to the mounting frame, a motor is fixedly connected to the mounting frames through the connecting frames, a transmission shaft is fixedly connected to the output end of the motor through a coupling, a transmission gear is fixedly sleeved on the outer surface of the transmission shaft, a first transmission rack in sliding connection with the mounting frames is meshed and connected to the outer surface of the transmission gear.
Description
Technical Field
The utility model relates to the technical field of BOPP film production, in particular to a transverse stretcher for BOPP film production.
Background
In the BOPP film production and manufacturing process, two sides of a semi-finished film are required to be fixedly clamped during stretching and shaping or tensioning and shaping, when the film flows out of casting equipment, two sides of the semi-finished film are required to be fixedly clamped, so that the film is shaped in a tensioning or transverse stretching state, transverse force applied to the film by clamping devices on two sides of the film at high temperature is applied during transverse stretching of the semi-finished film, the purpose of transverse stretching is achieved, two sides of the film also need to be fixedly clamped during longitudinal stretching, and shrinkage of the film towards the center during longitudinal stretching is avoided.
In the operation process of a transverse stretcher used in the existing BOPP film production process, a section of BOPP film is required to be produced by casting equipment, then the casting equipment is stopped for a period of time, then the BOPP film is stretched by a transverse stretching mechanism and then rolled, then the casting equipment works again to produce the BOPP film, and then the BOPP film is stopped and stretched by the transverse stretcher, so that the production efficiency of the BOPP film is lower, meanwhile, the BOPP film is heated in the transverse stretching process and the stretched BOPP film is rapidly cooled, the produced BOPP film is easy to deform, and the quality of the BOPP film is reduced.
Disclosure of utility model
The utility model aims to provide a transverse stretcher for BOPP film production, which has the advantages that the production efficiency of the BOPP film is greatly improved by efficiently producing the BOPP film, the quality of the BOPP film is improved, and the like.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a transverse stretching machine is used in BOPP film production, includes casting equipment main part and mounting bracket, two installing frames of fixedly connected with on the mounting bracket, through connecting frame fixedly connected with motor on the installing frame, the output of motor passes through shaft coupling fixedly connected with transmission shaft, transmission gear has been cup jointed to the surface mounting of transmission shaft, transmission gear's surface meshing is connected with the first transmission rack with installing frame sliding connection, transmission gear's surface meshing is connected with the second transmission rack, all be provided with stretching mechanism on first transmission rack and the second transmission rack, be provided with heating heat preservation mechanism and cooling body on the installing frame.
As a further scheme of the utility model: the stretching mechanism comprises a first transmission rack and a first connecting plate fixedly connected to the second transmission rack, a first electric telescopic rod is fixedly connected to the bottom of the first connecting plate, a second connecting plate is fixedly connected to the bottom of the first electric telescopic rod, a third connecting plate is fixedly connected to one side of the second connecting plate, a second electric telescopic rod is fixedly connected to one side of the third connecting plate, a clamping frame is fixedly connected to one end of the second electric telescopic rod, a third electric telescopic rod is fixedly connected to the clamping frame, and a clamping plate is fixedly connected to one side of the third electric telescopic rod.
As a further scheme of the utility model: one side of the clamping plate is sprayed with an anti-sticking coating.
As a further scheme of the utility model: the heating and heat preserving mechanism comprises a plurality of heating pipes fixedly connected with the mounting frame, a heating spray head is fixedly connected to the outer surface of each heating pipe, the heating pipes are connected through a first connecting pipe, and one end of each first connecting pipe is fixedly connected with a hot air blower fixedly connected with the mounting frame.
As a further scheme of the utility model: the cooling mechanism comprises a plurality of cold air pipes fixedly connected with the mounting frame, a plurality of cold air heads are fixedly connected to the outer surfaces of the cold air pipes, the cold air pipes are connected through second connecting pipes, and one end of each second connecting pipe is fixedly connected with an air cooler fixedly connected with the mounting frame.
As a further scheme of the utility model: and a guide roller is rotationally connected between the two mounting frames.
The utility model has the beneficial effects that:
(1) The motor drives the transmission shaft to rotate, the transmission shaft drives the transmission gear to rotate, the transmission gear drives the first transmission rack and the second transmission rack to move left and right, and meanwhile, the stretching mechanism on the first transmission rack and the stretching mechanism on the second transmission rack are matched, so that the stretching movement and the rolling of the BOPP film are synchronously carried out, and the production efficiency of the BOPP film is greatly improved.
(2) Through in the tensile in-process, supply hot-blast through the air-heater to first connecting pipe and heating pipe, hot-blast through heating shower nozzle with hot-blast blowout, carry out even heating to the upper and lower surface of stretching in-process BOPP film, prevent that the BOPP film from receiving the lower stable influence of external in the tensile in-process and causing BOPP film surface cooling, simultaneously after stretching, carry out the cold zone to the BOPP film after stretching through cooling body, make it carry out quick cooling shaping, the subsequent rolling of being convenient for, the BOPP film cooling after preventing horizontal stretching is insufficient to cause shrinkage deformation, thereby the quality of BOPP film after having improved the production greatly.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a first perspective view of the external structure of the present utility model;
FIG. 2 is a second perspective view of the external structure of the present utility model;
fig. 3 is a perspective view of the external structure of the stretching mechanism of the present utility model.
In the figure: 1. a casting apparatus main body; 2. a mounting frame; 3. a mounting frame; 4. a motor; 5. a transmission shaft; 6. a transmission gear; 7. a first drive rack; 8. a second drive rack; 9. a first connection plate; 10. a first electric telescopic rod; 11. a second connecting plate; 12. a third connecting plate; 13. a second electric telescopic rod; 14. a clamping frame; 15. a third electric telescopic rod; 16. a clamping plate; 17. heating pipes; 18. heating the spray head; 19. a first connection pipe; 20. a hot air blower; 21. a cold air pipe; 22. a cold air head; 23. a second connection pipe; 24. an air cooler; 25. and a guide roller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the utility model discloses a transverse stretching machine for producing BOPP films, comprising a main body 1 of a casting device and a mounting frame 2, wherein two mounting frames 3 are fixedly connected to the mounting frame 2, a motor 4 is fixedly connected to the mounting frame 3 through the connecting frames, the output end of the motor 4 is fixedly connected with a transmission shaft 5 through a coupling, a transmission gear 6 is fixedly sleeved on the outer surface of the transmission shaft 5, a first transmission rack 7 in sliding connection with the mounting frame 3 is connected with the outer surface of the transmission gear 6 in a meshed manner, a second transmission rack 8 is connected with the outer surface of the transmission gear 6 in a meshed manner, stretching mechanisms are arranged on the first transmission rack 7 and the second transmission rack 8, a heating and heat-preserving mechanism and a cooling mechanism are arranged on the mounting frame 3, the BOPP films are produced through the main body 1 of the casting device (the main body 1 of the casting device is the prior art, so not described in detail here too much), then the two sides of the produced BOPP film are clamped and stretched by the stretching mechanism on the first transmission rack 7, meanwhile, the motor 4 drives the transmission shaft 5 to rotate, (the motor 4 can control the positive and negative rotation and the rotation angle of the motor 4 through the control of the PLC programming program), the transmission shaft 5 drives the first transmission rack 7 to move rightwards by the transmission gear 6, meanwhile, the transmission gear 6 drives the second transmission rack 8 to move leftwards, the stretching mechanism on the first transmission rack 7 stretches the produced BOPP film slowly and drives the BOPP film to move, then one end of the BOPP film is connected with the winding mechanism, meanwhile, the heating and heat preserving mechanism heats the BOPP film in the stretching process to prevent uneven stretching caused by cooling, and then the BOPP film is cooled by the cooling mechanism after stretching, be convenient for subsequent rolling, when stretching mechanism on first transmission rack 7 stretches BOPP film to the right-hand member of installing frame 3, second transmission rack 8 removes the exit to tape casting equipment main part 1 this moment, stretching mechanism on first transmission rack 7 releases the BOPP film after stretching and contracts this moment, stretching mechanism on second transmission rack 8 stretches and carries out horizontal stretching to the BOPP film just produced, motor 4 reverse rotation this moment, drive second transmission rack 8 and remove right, first transmission rack 7 removes left, reciprocate in proper order, thereby realized going on stretching movement and rolling synchronization to the BOPP film, the production efficiency to the BOPP film has been improved greatly.
The stretching mechanism comprises a first transmission rack 7 and a first connecting plate 9 fixedly connected to the second transmission rack 8, a first electric telescopic rod 10 is fixedly connected to the bottom of the first connecting plate 9, a second connecting plate 11 is fixedly connected to the bottom of the first electric telescopic rod 10, a third connecting plate 12 is fixedly connected to one side of the second connecting plate 11, a second electric telescopic rod 13 is fixedly connected to one side of the third connecting plate 12, a clamping frame 14 is fixedly connected to one end of the second electric telescopic rod 13, a third electric telescopic rod 15 is fixedly connected to the clamping frame 14, a clamping plate 16 is fixedly connected to one side of the third electric telescopic rod 15, when the stretching mechanism on the first transmission rack 7 is used for clamping and stretching, the first electric telescopic rod 10 on the first transmission rack 7 drives the second connecting plate 11 to move downwards, the second connecting plate 11 drives the third connecting plate 12, the second electric telescopic rod 13 and the clamping frame 14 to move downwards, the second electric telescopic rod 13 drives the clamping frame 14 to move to one side of a BOPP film, the second electric telescopic rod 16 drives the PP film 10 to move downwards through the clamping plate 16, and simultaneously stretches the second electric telescopic rod 14 to stretch the second film 14, and then stretches the second film 14 to stretch the first film 10 to stretch the first film, and then stretch the second film 10 is stretched to stretch the second film, and the stretching frame is stretched to the second film is stretched by the stretching frame 10, and the stretching frame is stretched by the stretching the second film through the second stretching frame 10.
One side of the clamping plate 16 is sprayed with a release coating.
The heating heat preservation mechanism comprises a plurality of heating pipes 17 fixedly connected with the mounting frame 3, the outer surface fixedly connected with heating spray heads 18 of the heating pipes 17 are connected with each other through first connecting pipes 19, one ends of the first connecting pipes 19 are fixedly connected with hot air blowers 20 fixedly connected with the mounting frame 3, after BOPP films are produced, hot air is supplied to the first connecting pipes 19 and the heating pipes 17 through the hot air blowers 20, the hot air is sprayed out through the heating spray heads 18, the upper surface and the lower surface of the BOPP films in the stretching process are uniformly heated, the BOPP films are prevented from being subjected to surface cooling of the BOPP films due to the influence of external lower stability in the stretching process, so that the BOPP films are not uniformly stretched transversely, and the quality of the BOPP films is reduced.
The cooling mechanism comprises a plurality of cold air pipes 21 fixedly connected with the mounting frame 3, a plurality of cold air heads 22 are fixedly connected to the outer surfaces of the cold air pipes 21, a plurality of cold air pipes 21 are connected through a second connecting pipe 23, one end of each second connecting pipe 23 is fixedly connected with an air cooler 24 fixedly connected with the mounting frame 3, when a BOPP film stretched transversely starts to enter the cold air pipes 21, the second connecting pipe 23 and the cold air pipes 21 are supplied with cold air through the air cooler 24, and then the cold air is sprayed out through the cold air heads 22 to uniformly blow and dissipate heat on the surfaces of the BOPP film, so that the BOPP film is subjected to rapid cooling forming, subsequent winding is facilitated, shrinkage deformation caused by insufficient cooling of the BOPP film stretched transversely is prevented, and the quality of the BOPP film is influenced.
And a guide roller 25 is rotatably connected between the two mounting frames 3, and the BOPP film after molding and cooling is conveniently conveyed through the guide roller 25.
The working principle of the utility model is as follows: the 1BOPP film is produced through the tape casting equipment main body (the tape casting equipment main body 1 is the prior art, so excessive description is not made here), then the stretching mechanism on the first transmission rack 7 is used for clamping and stretching the two sides of the produced BOPP film, the motor 4 drives the transmission shaft 5 to rotate at the same time, (the motor 4 is controlled by a PLC programming program, the motor 4 can be controlled to positively and negatively rotate and rotate) the transmission shaft 5 drives the first transmission rack 7 to move rightwards through the transmission gear 6, the transmission gear 6 drives the second transmission rack 8 to move leftwards, the stretching mechanism on the first transmission rack 7 slowly and transversely stretches the produced BOPP film, meanwhile, the stretching mechanism is driven to move, then one end of the BOPP film is connected with the winding mechanism, meanwhile, the heating and heat preserving mechanism heats the produced BOPP film in the stretching process, uneven stretching is prevented, the BOPP film is cooled through the cooling mechanism after stretching, the BOPP film is convenient for subsequent winding, when the stretching mechanism on the first transmission rack 7 stretches the BOPP film to the rightmost end of the mounting frame 3, the second transmission rack 8 moves rightwards, the stretching mechanism on the first transmission rack 7 moves leftwards, the stretching mechanism stretches the BOPP film at the moment, the second transmission rack 8 moves leftwards, the stretching mechanism is greatly and the stretching mechanism is stretched, the BOPP film is stretched, the second transmission mechanism is stretched leftwards, and the stretching mechanism is greatly and the film is stretched, and the stretching the BOPP film is synchronously and synchronously, and the stretching the film is stretched, and the stretching mechanism is greatly and the stretching and stretched, and the film on the stretching mechanism is stretched, and the stretching mechanism.
After BOPP film is produced, hot air is supplied to the first connecting pipe 19 and the heating pipe 17 through the hot air blower 20, hot air is sprayed out through the heating spray head 18, the upper surface and the lower surface of the BOPP film in the stretching process are uniformly heated, the BOPP film is prevented from being cooled by the lower stable influence of the outside in the stretching process, the BOPP film is transversely stretched unevenly, the quality of the BOPP film is reduced, the BOPP film after transverse stretching starts to enter the cold air pipe 21, then the second connecting pipe 23 and the cold air pipe 21 are supplied with cold air through the cold air blower 24, and then the cold air is sprayed out through the cold air head 22 to uniformly blow and dissipate heat on the surface of the BOPP film, so that the BOPP film is rapidly cooled and molded, the subsequent rolling is facilitated, the BOPP film after transverse stretching is prevented from being insufficiently cooled to cause shrinkage deformation, and the quality of the BOPP film is influenced.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (6)
1. The utility model provides a transverse stretching machine is used in BOPP film production, includes casting equipment main part (1) and mounting bracket (2), its characterized in that, two installing frame (3) of fixedly connected with on mounting bracket (2), through connecting frame fixedly connected with motor (4) on installing frame (3), the output of motor (4) passes through shaft coupling fixedly connected with transmission shaft (5), the fixed surface of transmission shaft (5) has cup jointed drive gear (6), the surface meshing of drive gear (6) is connected with first drive rack (7) with installing frame (3) sliding connection, the surface meshing of drive gear (6) is connected with second drive rack (8), all be provided with stretching mechanism on first drive rack (7) and second drive rack (8), be provided with heating heat preservation mechanism and cooling body on installing frame (3).
2. The transverse stretching machine for BOPP film production according to claim 1, wherein the stretching mechanism comprises a first transmission rack (7) and a first connecting plate (9) which are fixedly connected with each other on a second transmission rack (8), a first electric telescopic rod (10) is fixedly connected to the bottom of the first connecting plate (9), a second connecting plate (11) is fixedly connected to the bottom of the first electric telescopic rod (10), a third connecting plate (12) is fixedly connected to one side of the second connecting plate (11), a second electric telescopic rod (13) is fixedly connected to one side of the third connecting plate (12), a clamping frame (14) is fixedly connected to one end of the second electric telescopic rod (13), a third electric telescopic rod (15) is fixedly connected to the inside of the clamping frame (14), and a clamping plate (16) is fixedly connected to one side of the third electric telescopic rod (15).
3. Transverse stretcher for BOPP film production according to claim 2, characterized in that one side of the clamping plate (16) is sprayed with a release coating.
4. The transverse stretching machine for BOPP film production according to claim 1, wherein the heating and heat preservation mechanism comprises a plurality of heating pipes (17) fixedly connected with the mounting frame (3), the outer surface of each heating pipe (17) is fixedly connected with a heating spray head (18), the plurality of heating pipes (17) are connected through a first connecting pipe (19), and one end of each first connecting pipe (19) is fixedly connected with a hot air blower (20) fixedly connected with the mounting frame (3).
5. The transverse stretcher for BOPP film production according to claim 1, wherein the cooling mechanism comprises a plurality of cold air pipes (21) fixedly connected with the mounting frame (3), a plurality of cold air heads (22) are fixedly connected to the outer surfaces of the cold air pipes (21), the plurality of cold air pipes (21) are connected through second connecting pipes (23), and one end of each second connecting pipe (23) is fixedly connected with an air cooler (24) fixedly connected with the mounting frame (3).
6. Transverse stretcher for BOPP film production according to claim 1, characterized in that a guiding roll (25) is rotatably connected between the two mounting frames (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323359742.7U CN221497090U (en) | 2023-12-11 | 2023-12-11 | Transverse stretching machine for BOPP film production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323359742.7U CN221497090U (en) | 2023-12-11 | 2023-12-11 | Transverse stretching machine for BOPP film production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221497090U true CN221497090U (en) | 2024-08-09 |
Family
ID=92136710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323359742.7U Active CN221497090U (en) | 2023-12-11 | 2023-12-11 | Transverse stretching machine for BOPP film production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221497090U (en) |
-
2023
- 2023-12-11 CN CN202323359742.7U patent/CN221497090U/en active Active
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