CN210792069U

CN210792069U - Stretching device is used in BOPP film production that can freely stretch

Info

Publication number: CN210792069U
Application number: CN201921716595.5U
Authority: CN
Inventors: 杨孔昶; 李为波; 张国举
Original assignee: Lianyungang Jintian High Tech Materials Co ltd
Current assignee: Lianyungang Jintian High Tech Materials Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-06-19
Anticipated expiration: 2029-10-14

Abstract

The utility model relates to the technical field of plastic production devices, in particular to a freely stretchable stretching device for producing BOPP films, which aims at the problem that the two existing stretching devices can not be well matched, and the following proposal is proposed, which comprises a processing cover, wherein, both sides of the processing cover are provided with chutes, both sides of the processing cover are fixedly connected with a pneumatic cylinder, the output end of the pneumatic cylinder is fixedly connected with a winding device, both sides of the middle of the processing cover are provided with limiting grooves, and the top of the processing cover is fixedly connected with a plurality of first motors through bolts, the utility model has simple structure and convenient use, can protect the whole production, simultaneously, can conveniently take and place through a detachable taking block, is convenient to work, can conveniently control the limit of transverse stretching, simultaneously cooperates with longitudinal stretching, and simultaneously completes the work of a plurality of items, the working procedures are reduced, the efficiency is improved, and the time is saved.

Description

Stretching device is used in BOPP film production that can freely stretch

Technical Field

The utility model relates to a plastics apparatus for producing technical field especially relates to a can be tensile stretching device is used in BOPP film production freely.

Background

BOPP films are produced by first passing a melt of high molecular polypropylene through a long and narrow head to form a sheet or thick film, then stretching the film in two perpendicular directions (longitudinal and transverse) simultaneously or stepwise at a certain temperature and a set speed in a special stretching machine, and subjecting the film to appropriate cooling or heat treatment or special processing (e.g. corona, coating, etc.).

In the course of working, tensile is important one step, and in this in-process, the current device though can be fine stretch, but horizontal stretching and vertical stretching can not be fine cooperation, simultaneously, when tensile, do not protect for the course of working is easily influenced by the external world.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can be tensile BOPP film production with stretching device freely has solved two kinds of tensile complex problems that can not be fine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a can be tensile stretching device for BOPP film production freely, covers including processing, the both sides of processing cover all are provided with the spout, the equal fixedly connected with pneumatic cylinder in both sides of processing cover, the output fixedly connected with of pneumatic cylinder is around rolling up the device, the middle both sides of processing cover all are provided with the restriction groove, a plurality of first motors of bolt fixedly connected with are passed through at the top of processing cover, the output fixedly connected with of first motor covers the threaded rod of being connected with processing, and the outer wall screw drive cooperation of threaded rod has the controlling means.

Preferably, the winding device comprises a connecting block fixedly connected with the pneumatic cylinder, the connecting block is connected with the sliding groove in a sliding mode, the other side, far away from the pneumatic cylinder, of the connecting block is connected with a moving block in a rotating mode through a hinge, the middle of the moving block is connected with a taking block in a sliding mode, a second motor is fixedly connected to one side of the taking block, the output end of the second motor is fixedly connected with a rotating shaft connected with the taking block in a rotating mode, and an accommodating roller is fixedly sleeved on the outer wall of the rotating shaft.

Preferably, the limiting device comprises a sliding block matched with the threaded rod in a spiral transmission mode, the sliding block is connected with the groove wall of the limiting groove in a sliding mode, a working shaft is connected between the sliding blocks in a rotating mode, an extrusion roller is fixedly sleeved on the outer wall of the working shaft, and a heater is embedded in the extrusion roller in a fixed mode.

Preferably, the connecting block adopts a rectangular structure, and the outer wall of the connecting block is in sliding connection with the groove wall of the sliding groove.

Preferably, the number of the sliding blocks in the limiting groove is two, and one of the sliding blocks is rotatably connected with one of the threaded rods.

Preferably, the lower side of the processing cover is fixedly connected with a supporting column through a bolt, and one side of the processing cover is fixedly connected with a controller through a bolt.

The utility model has the advantages that:

1. through the protection casing, can be so that whole production can be protected, simultaneously through the detachable piece of taking, conveniently take and place, conveniently carry out work.

2. Through the squeeze roll that can adjust, can conveniently control horizontal tensile limit, the vertical tensile of cooperation simultaneously accomplishes the work to the multinomial simultaneously, reduces the process, increases efficiency, save time.

Drawings

Fig. 1 is the utility model provides a but drawing device is used in production of BOPP film of free stretch's front view section view schematic diagram.

Fig. 2 is the utility model provides a but freely tensile BOPP film production is with stretching device's left side cut-away view schematic diagram.

Fig. 3 is a schematic view of a partial top cross-sectional view of a stretching device for producing a BOPP film capable of being stretched freely according to the present invention.

Fig. 4 is the utility model provides a but freely tensile BOPP film production is with stretching device's enlarged schematic diagram of a department.

Fig. 5 is an enlarged schematic diagram of a B position of the stretching device for producing the BOPP film capable of being stretched freely provided by the utility model.

Reference numbers in the figures: the device comprises a processing cover 1, a first motor 2, a threaded rod 3, a heater 4, a limiting groove 5, a working shaft 6, a squeezing roller 7, a rotating shaft 8, a sliding groove 9, a containing roller 10, a connecting block 11, a pneumatic cylinder 12, a second motor 13, a taking block 14, a moving block 15 and a sliding block 16.

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.

Referring to fig. 1-5, a can be tensile stretching device is used in production of BOPP film freely, including processing cover 1, the both sides of processing cover 1 all are provided with spout 9, spout 9 carries out certain restriction, the equal fixedly connected with pneumatic cylinder 12 in both sides of processing cover 1, the output fixedly connected with of pneumatic cylinder 12 is around the coiling mechanism, the coiling mechanism rolls up, the middle both sides of processing cover 1 all are provided with restriction groove 5, a plurality of first motors 2 of bolt fixedly connected with are passed through at the top of processing cover 1, the output fixedly connected with of first motor 2 covers 1 with processing and rotates threaded rod 3 of being connected, and the outer wall screw drive cooperation limiting device of threaded rod 3, the restriction groove carries out certain restriction to limiting device, guarantee that it removes on predetermined position.

The winding device comprises a connecting block 11 fixedly connected with a pneumatic cylinder 12, the connecting block 11 is slidably connected with a chute 9, the other side of the connecting block, far away from the pneumatic cylinder 12, is rotatably connected with a moving block 15 through a hinge, the middle of the moving block 15 is slidably connected with a taking block 14, one side of the taking block 14 is fixedly connected with a second motor 13, the output end of the second motor 13 is fixedly connected with a rotating shaft 8 rotatably connected with the taking block 14, the outer wall of the rotating shaft 8 is fixedly sleeved with a containing roller 10, the connecting block 11 can move to a certain extent through the pushing of the pneumatic cylinder 12, the moving block 15 and the taking block 14 are further driven to move to a certain extent, the taking block 14 can be simultaneously taken out from the moving block 15 and is convenient to replace, meanwhile, the second motor 13 rotates to drive the rotating shaft 8 to rotate, so that the containing roller 10 rotates, the containing rollers 10 on two sides of the processing cover 1, and the rotation rates of the two second motors 13 are made to differ to some extent.

The limiting device comprises sliders 16 in spiral transmission fit with the threaded rods 3, the sliders 16 are in sliding connection with the groove walls of the limiting grooves 5, a working shaft 6 is rotatably connected between the two sliders 16, a squeezing roller 7 is fixedly sleeved on the outer wall of the working shaft 6, a heater 4 is fixedly embedded in the squeezing roller 7, the number of the sliders 16 in the limiting grooves 5 is two, one slider 16 is rotatably connected with one threaded rod 3, the threaded rod 3 is driven to rotate through the work of the first motor 2, the sliders 16 are further driven to rotate, the two threaded rods on each side of the processing cover 1 are respectively in spiral transmission fit with one of the two sliders, the other threaded rod is in sliding connection with the other slider, so that the two first motors 2 respectively drive one slider 16 to move, the squeezing roller 7 is driven to move, and the distance between the two squeezing rollers 7 is changed, the transverse stretching is completed.

The connecting block 11 adopts a rectangular structure, and the outer wall of the connecting block 11 is in sliding connection with the groove wall of the sliding groove 9.

The downside of processing cover 1 passes through bolt fixedly connected with support column, and one side of processing cover 1 passes through bolt fixedly connected with controller, and the controller adopts AF2638R1 model controller, and the controller is controlled each electrical apparatus, guarantees going on of whole device.

The working principle is as follows: when the device is used, firstly, the containing roller 10 with the raw materials is installed in the moving block 15 through the taking block 14, the moving block 15 and the taking block 14 are contained in the sliding groove 9 through the pneumatic cylinder 12 for limitation, then the device is fixed on the containing roller 10 on the other side through the limiting device, then the installation of the whole device is completed, the rotating speeds of the second motors 13 on the two winding devices are different, the film can be stretched in the length direction, one work is completed, meanwhile, the film is heated through the heater 4 in the limiting device, meanwhile, the whole film is transversely extruded and stretched through the extrusion between the two extrusion rollers 7, transverse processing is completed, after the processing is completed, the moving block 15 and the taking block 14 are taken out from the processing cover 1 through the pneumatic cylinder 12, then the taking block 14 is taken out, and the storage of finished products is completed.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a but stretching device is used in production of tensile BOPP film freely, covers (1) including processing, its characterized in that, the both sides of processing cover (1) all are provided with spout (9), the equal fixedly connected with pneumatic cylinder (12) in both sides of processing cover (1), the output fixedly connected with of pneumatic cylinder (12) is around rolling up the device, the centre both sides of processing cover (1) all are provided with restriction groove (5), a plurality of first motor (2) of bolt fixedly connected with are passed through at the top of processing cover (1), the output fixedly connected with of first motor (2) and the threaded rod (3) of processing cover (1) rotation connection, and the outer wall screw drive cooperation limiting device of threaded rod (3).

2. The stretching device for producing the BOPP film capable of being freely stretched according to claim 1, wherein the winding device comprises a connecting block (11) fixedly connected with a pneumatic cylinder (12), the connecting block (11) is slidably connected with a chute (9), the other side of the connecting block, which is far away from the pneumatic cylinder (12), is rotatably connected with a moving block (15) through a hinge, the middle of the moving block (15) is slidably connected with a taking block (14), one side of the taking block (14) is fixedly connected with a second motor (13), the output end of the second motor (13) is fixedly connected with a rotating shaft (8) rotatably connected with the taking block (14), and a receiving roller (10) is fixedly sleeved on the outer wall of the rotating shaft (8).

3. The stretching device for producing the freely stretchable BOPP film as claimed in claim 1, wherein the limiting device comprises a sliding block (16) in screw transmission fit with the threaded rod (3), the sliding block (16) is in sliding connection with the wall of the limiting groove (5), a working shaft (6) is rotatably connected between the two sliding blocks (16), the outer wall of the working shaft (6) is fixedly sleeved with the extruding roller (7), and the heater (4) is fixedly embedded in the extruding roller (7).

4. The stretching apparatus for producing BOPP film capable of being freely stretched according to claim 2, wherein the connecting block (11) has a rectangular structure, and the outer wall of the connecting block (11) is slidably connected to the wall of the sliding groove (9).

5. The stretching device for the production of the freely stretchable BOPP film according to claim 3, wherein the number of the sliders (16) in the limiting groove (5) is two, and one of the sliders (16) is rotatably connected to one of the threaded rods (3).

6. The stretching device for producing the freely stretchable BOPP film as claimed in claim 1, wherein a support column is fixedly connected to the lower side of the processing cover (1) through a bolt, and a controller is fixedly connected to one side of the processing cover (1) through a bolt.