CN212124117U

CN212124117U - Film extrusion device

Info

Publication number: CN212124117U
Application number: CN202020689176.3U
Authority: CN
Inventors: 张月松; 张建松; 时建新; 蒋浩维; 陆新良
Original assignee: Haining Huali Industrial Co ltd
Current assignee: Haining Huali Industrial Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-11
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a film extrusion device, the on-line screen storage device comprises a base, the surface welding has the barrel on the base, the base upper surface has driving motor through the leg weld, driving motor's output shaft welding has the threaded rod of extruding, it runs through the rotation with the barrel through the bearing to extrude the threaded rod and is connected, extrude one section that the threaded rod is located barrel inside and be provided with the screw thread, all the other parts are smooth structure, the barrel runs through fixedly connected with inlet pipe, the one end welding that the barrel was kept away from to the inlet pipe has the feeder hopper, the surface welding has the installation room on the barrel, it has first gear to extrude one section interference fit that the threaded rod is. The utility model discloses can sieve raw and other materials and stir when extruding, prevent because of the inhomogeneous and insufficient film performance decline that leads to of feeding granularity, guarantee the quality and the performance of production film, do not need the manual work to operate simultaneously, greatly reduced workman's intensity of labour.

Description

Film extrusion device

Technical Field

The utility model relates to a film production facility technical field especially relates to a film extrusion device.

Background

Films made from polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins are used for packaging, and as a film coating. The plastic film is widely applied to the fields of agriculture, food, medicine, chemical industry and the like at present, wherein due to the development of greenhouse planting industry, the plastic film is more and more widely applied to agriculture, and the demand of the plastic film is more and more increased. The film extrusion needs to use an extruder, materials are placed into a machine barrel of the extruder, and then are melted and plasticized under the action of a certain temperature through rotation, extrusion and stirring of a screw, and are extruded and molded through a machine head annular mouth die gap after passing through a filter screen and a splitter plate under the pushing of the screw, and finally, a finished product is prepared through cooling and shaping.

Among the prior art, current extruder generally all is direct feeding, does not set up the screen cloth in the charge-in pipe and filters, leads to the feeding granularity uneven to make the finished product composition that obtains uneven, influence the film performance, current extruder is when producing the color film simultaneously, does not stir before the feeding, leads to the raw materials to mix insufficient composition, causes the film colour inhomogeneous, if select to carry out manual stirring and screening when the feeding, then greatly increased workman's intensity of labour.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a film extrusion device.

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

a film extrusion device comprises a base, wherein a cylinder is welded on the upper surface of the base, a driving motor is welded on the upper surface of the base through a support, an extrusion threaded rod is welded on an output shaft of the driving motor, the extrusion threaded rod is in penetrating and rotating connection with the cylinder body through a bearing, a section of the extrusion threaded rod, which is positioned in the cylinder body, is provided with threads, the rest part is a smooth structure, the cylinder body is fixedly connected with a feeding pipe in a penetrating way, one end of the feeding pipe, which is far away from the cylinder body, is welded with a feeding hopper, the upper surface of the cylinder body is welded with an installation chamber, a section of the extrusion threaded rod positioned outside the cylinder body is in interference fit with a first gear, first gear engagement has the second gear, second gear interference fit has the axis of rotation, be provided with agitating unit and screening plant in the inlet pipe, driving motor's one end fixedly connected with forming device is kept away from to the barrel.

Preferably, the axis of rotation runs through to rotate with inlet pipe and installation room through the bearing and is connected and extend to in the installation room, the one end interference fit that the axis of rotation is located the installation room has the third gear, third gear engagement has the fourth gear, fourth gear interference fit has the driven shaft, the driven shaft runs through to rotate with installation room and inlet pipe through the bearing and is connected and extend to the inlet pipe is outside, the axis of rotation has a plurality of stirring leaves with the one end welding that the driven shaft is located the inlet pipe inside.

Preferably, the sliding tray has been advanced to two lateral walls that the inlet pipe is relative, the inlet pipe runs through sliding connection through the sliding tray and has the screen cloth, the screen cloth both ends all extend to the inlet pipe outside, one section interference fit that the driven shaft is located inlet pipe and installation room outside has a plurality of cams, the lateral wall and the screen cloth of cam offset, the screen cloth is located the inside one section roof welding of inlet pipe and has a plurality of baffles, a plurality of springs of fixedly connected with between screen cloth and the inlet pipe.

Preferably, at least three groups of springs are symmetrically arranged between the screen and the feeding pipe, and the height of the baffle is greater than that of the sliding groove.

Preferably, the bearing between the extrusion threaded rod and the barrel, the bearing between the rotating shaft and the feeding pipe, and the bearing between the driven shaft and the feeding pipe are all sealed bearings.

Preferably, the driving motor is a motor of type Y100L-2, and the bottom wall of the base is adhered with a non-slip pad.

The utility model discloses contrast prior art, its advantage lies in:

1. when the extruder works, the threaded rod is driven by the driving motor to extrude, the rotating shaft is driven to rotate by the meshing of the first gear and the second gear while extruding, the driven shaft is driven to rotate by the meshing of the third gear and the fourth gear, raw materials to be extruded are stirred by the rotating shaft and the stirring blades on the driven shaft, and are uniformly mixed, so that non-uniform color caused by non-uniform stirring in the process of producing colored films is prevented;

2. the driven shaft drives the cam to rotate while rotating, and the cam and the spring are arranged to vibrate the screen, so that the filled raw materials are screened and filtered, the phenomenon that the performance of the produced film cannot reach the expected effect due to nonuniform feeding granularity is prevented, and the quality and the performance of the film are improved;

3. the raw materials in the feeding pipe are automatically screened and stirred in the extruding process through the meshing of the gears, manual operation is not needed, the labor intensity of workers is greatly reduced, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a film extrusion apparatus provided by the present invention.

Fig. 2 is an enlarged view of a position a of the film extrusion apparatus provided by the present invention.

Fig. 3 is a partial sectional view of a portion B of a film extrusion apparatus according to the present invention.

In the figure: 1 base, 2 barrels, 3 driving motors, 4 extrusion threaded rods, 5 first gears, 6 second gears, 7 rotating shafts, 71 stirring blades, 8 feeding pipes, 9 mounting chambers, 91 third gears, 92 fourth gears, 93 driven shafts, 94 cams, 95 screens, 96 springs, 97 baffles, 81 feed hoppers, 82 sliding grooves and 101 forming devices.

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. 1-3, a film extrusion device comprises a base 1, a barrel 2 welded on the upper surface of the base 1, a driving motor 3 welded on the upper surface of the base 1 through a support, an extrusion threaded rod 4 welded on the output shaft of the driving motor 3, the extrusion threaded rod 4 and the barrel 2 connected through a bearing in a penetrating and rotating manner, a section of the extrusion threaded rod 4 positioned inside the barrel 2 is provided with threads, the rest is smooth structure, barrel 2 runs through fixedly connected with inlet pipe 8, the one end welding that barrel 2 was kept away from to inlet pipe 8 has

feeder hopper

81, 2 upper surface welding of barrel have installation room 9, it has first gear 5 to extrude one section interference fit that threaded rod 4 is located barrel 2 outside, first gear 5 meshes has

second gear

6, 6 interference fit of second gear has axis of rotation 7, be provided with agitating unit and screening plant in the inlet pipe 8, the one end fixedly connected with forming device 101 of driving motor 3 is kept away from to barrel 2.

Rotation axis 7 and inlet pipe 8 and installation room 9 run through the rotation through the bearing and are connected and extend to in the installation room 9, the one end interference fit that rotation axis 7 is located the installation room 9 has third gear 91, third gear 91 meshes has fourth gear 92, fourth gear 92 interference fit has driven shaft 93, driven shaft 93 runs through the rotation through the bearing with installation room 9 and inlet pipe 8 and is connected and extend to the inlet pipe 8 outside, rotation axis 7 has a plurality of stirring leaf 71 with the one end welding that driven shaft 93 is located the inlet pipe 8 inside.

Two relative lateral walls of inlet pipe 8 advance and have seted up sliding tray 82, inlet pipe 8 runs through sliding connection through sliding tray 82 and has screen cloth 95, the screen cloth 95 both ends all extend to inlet pipe 8 outside, one section interference fit that driven shaft 93 is located inlet pipe 8 and installation room 9 outside has a plurality of cams 94, the lateral wall of cam 94 offsets with screen cloth 95, screen cloth 95 is located the inside one section roof welding of inlet pipe 8 and has a plurality of baffles 97, a plurality of springs 96 of fixedly connected with between screen cloth 95 and the inlet pipe 8. At least three groups are symmetrically arranged between the spring 96, the screen mesh 95 and the feeding pipe 8, the height of the baffle 97 is greater than that of the sliding groove 82, the baffle 97 is arranged, and the height of the baffle 97 is greater than that of the sliding groove 82, so that raw materials are prevented from leaking from the sliding groove 82.

And the bearings between the extrusion threaded rod 4 and the barrel body 2, the bearings between the rotating shaft 7 and the feeding pipe 8 and the bearings between the driven shaft 93 and the feeding pipe 8 are all sealed bearings, and the sealed bearings are adopted to prevent the materials in the feeding pipe 8 and the barrel body 2 from leaking out from the joint of the bearings. The driving motor 3 is a motor of Y100L-2 type, the bottom wall of the base 1 is bonded with a non-slip mat, the non-slip mat prevents slipping caused by external force when the device is used, the stability of the device is improved, and a heating resistance wire is arranged in the barrel 2 to heat and melt materials in the barrel 2.

When the device of the utility model is used, the driving motor 3 is started, the raw materials are poured into the feed hopper 81 according to the proportion, the driving motor drives the extrusion threaded rod 4 to rotate, the raw materials are mixed, melted and extruded through the heating resistance wire in the barrel 2, when the raw materials are fed, the extrusion threaded rod 4 drives the first gear 5 to rotate, thereby the second gear 6 meshed with the first gear 5 rotates, the second gear 6 drives the rotating shaft 7 in interference fit with the second gear to rotate, the rotating shaft 7 drives the third gear 91 in interference fit with the third gear to rotate, the fourth gear 92 drives the driven shaft 93 in interference fit with the fourth gear to rotate, the raw materials are mixed and stirred through the rotating shaft 7 and the stirring blade 71 on the driven shaft 93, when in stirring, the driven shaft 93 drives the cam 94 to rotate, under the action of the cam 94 and the spring 96, the screen mesh 95 is vibrated to form a vibrating screen, the raw material is filtered, and the filtered and stirred raw material is extruded through the extrusion screw 4 and is molded in the molding device 101.

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 film extrusion device comprises a base (1) and is characterized in that a barrel (2) is welded on the upper surface of the base (1), a driving motor (3) is welded on the upper surface of the base (1) through a support, a threaded rod (4) is extruded through the welding of an output shaft of the driving motor (3), the threaded rod (4) is rotatably connected with the barrel (2) through a bearing in a penetrating manner, a section of the threaded rod (4) inside the barrel (2) is provided with threads, the rest of the threaded rod is of a smooth structure, the barrel (2) is fixedly connected with an inlet pipe (8) in a penetrating manner, a feed hopper (81) is welded at one end, away from the barrel (2), of the inlet pipe (8), a mounting chamber (9) is welded on the upper surface of the barrel (2), and a section of the threaded rod (4) outside the barrel (2) is, first gear (5) meshing has second gear (6), second gear (6) interference fit has axis of rotation (7), be provided with agitating unit and screening plant in inlet pipe (8), the one end fixedly connected with forming device (101) of driving motor (3) are kept away from in barrel (2).

2. A film extrusion apparatus according to claim 1, wherein the rotating shaft (7) is rotatably connected with the feeding pipe (8) and the installation chamber (9) through a bearing and extends into the installation chamber (9), the end of the rotating shaft (7) located in the installation chamber (9) is in interference fit with a third gear (91), the third gear (91) is engaged with a fourth gear (92), the fourth gear (92) is in interference fit with a driven shaft (93), the driven shaft (93) is rotatably connected with the installation chamber (9) and the feeding pipe (8) through a bearing and extends to the outside of the feeding pipe (8), and a plurality of stirring blades (71) are welded at the end of the rotating shaft (7) and the driven shaft (93) located in the feeding pipe (8).

3. The film extrusion device according to claim 2, wherein sliding grooves (82) are formed in two opposite side walls of the feeding pipe (8), the feeding pipe (8) is connected with a screen (95) through the sliding grooves (82) in a penetrating and sliding manner, two ends of the screen (95) extend to the outside of the feeding pipe (8), a plurality of cams (94) are arranged on a section of the driven shaft (93) located outside the feeding pipe (8) and the installation chamber (9) in an interference fit manner, the side walls of the cams (94) abut against the screen (95), a plurality of baffles (97) are welded on a top wall of the section of the screen (95) located inside the feeding pipe (8), and a plurality of springs (96) are fixedly connected between the screen (95) and the feeding pipe (8).

4. A film extrusion apparatus according to claim 3, wherein at least three groups of springs (96) and screen (95) and feed pipe (8) are symmetrically arranged, and the height of the baffle plate (97) is larger than that of the sliding groove (82).

5. A film extrusion apparatus according to claim 3, wherein the bearings between the extrusion screw rod (4) and the barrel (2), the bearings between the rotating shaft (7) and the feeding pipe (8), and the bearings between the driven shaft (93) and the feeding pipe (8) are sealed bearings.

6. A film extrusion apparatus according to claim 1, wherein the driving motor (3) is a Y100L-2 motor, and the bottom wall of the base (1) is adhered with a non-slip mat.