Plastic film blowing machine

Abstract

The utility model discloses a plastic film blowing machine which comprises a machine body, according to the plastic film blowing machine, through cooperative use of the filtering mechanism, in the using process of the film blowing machine, plastic raw materials are poured into a frame plate, a motor is started, a rotating shaft and a first gear are driven to rotate, then a second gear and a movable rod are driven to rotate, and meanwhile the movable rod drives two first belt wheels to rotate; a second belt wheel and a connecting rod are driven to rotate through transmission of a belt, so that an ejector block is driven to rotate, then the ejector block is in movable connection with a contact plate through the shape, the contact plate is driven to move up and down, a frame plate is driven to move synchronously, and plastic raw materials are filtered on a filter screen and fall into a hopper; and moreover, the blockage phenomenon of the plastic raw materials is reduced through vibration, the quality of plastic film production is effectively improved, the workload of operators is reduced, and then the practicability of the film blowing machine is improved to a certain degree.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of blown film machine, concretely to a plastic film blown film machine. BACKGROUND

[0002] The plastic film blown film machine is a kind of equipment that plastic particles are heated and melted, extruded by extruder and blown into film, first, plastic raw materials (such as polyethylene, polypropylene, etc.) are added to the hopper of blown film machine, these raw materials are transported to heating zone by the rotation of screw, in heating zone, screw is wrapped by heating ring outside, plastic particles gradually melt under the extrusion of screw and the heating of heating ring, molten plastic is pushed by screw, extruded through die, the tube blank extruded from die is immediately blown by air, forming a thin-walled cylindrical film, wherein the extruder is one of the core components of blown film machine, it is mainly composed of hopper, screw, cylinder and heating cooling system etc.

[0003] The hopper of existing blown film machine does not have filtering function, impurities exist in plastic raw materials, which affect the quality of subsequent plastic film, meanwhile, the hopper is easy to be blocked, so it is necessary for operator to pat the hopper to vibrate and dredge plastic raw materials, which increases the workload of operator and reduces the production efficiency of plastic film, therefore, it is necessary to propose a plastic film blown film machine. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a plastic film blown film machine to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a plastic film blown film machine, including machine body, the upper portion of machine body is fixedly connected with hopper, the outer wall of hopper is fixedly connected with filtering mechanism, the upper portion of hopper is movably connected with sealing mechanism.

[0006] The filtering mechanism includes fixed block, motor, rotating shaft, first gear, second gear, movable rod, first belt pulley, belt, second belt pulley, connecting rod, top block, contact plate, frame plate, plug-in block, reinforcing frame and filter screen, one side of hopper is fixedly connected with fixed block, one side of fixed block is fixedly connected with motor, the output end of motor is fixedly connected with rotating shaft through shaft coupling, one end of rotating shaft is fixedly connected with first gear, the outer wall of first gear is movably connected with second gear, the inside of second gear is fixedly connected with movable rod, the outer wall of movable rod is fixedly connected with first belt pulley, the outer wall of first belt pulley is movably connected with belt, the inside of belt is movably connected with second belt pulley, the inside of second belt pulley is fixedly connected with connecting rod, the outer wall of connecting rod is fixedly connected with top block, the outer wall of top block is movably connected with contact plate.

[0007] Preferably, one side of the contact plate is fixedly connected with a frame plate, an insertion block is movably connected above the frame plate, a reinforcing frame is fixedly connected to one side of the insertion block, and a filter screen is fixedly connected to the inner wall of the reinforcing frame.

[0008] Preferably, the inner part of the fixed block is fixedly connected with a bearing, and the fixed block is movably connected with the movable rod through the bearing.

[0009] Preferably, grooves are formed on both sides of the hopper, and the shape and size of the grooves are matched with those of the contact plate.

[0010] Preferably, the insertion block penetrates the inside of the frame plate and extends to the upper part of the frame plate, and the insertion block is movably connected with the frame plate.

[0011] Preferably, the sealing mechanism comprises a sealing cover, a sealing strip and a handle, the sealing cover is movably connected above the frame plate, the sealing strip is fixedly connected below the sealing cover, and the handle is fixedly connected above the sealing cover.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The plastic film blowing machine, through the cooperation of the filtering mechanism, in the use process of the blowing machine, the plastic raw materials are poured into the inside of the frame plate, the motor is started, the rotation of the rotating shaft and the first gear is driven, thereby the rotation of the second gear and the movable rod is driven, at the same time, the rotation of the two first belt pulleys is driven by the movable rod, and the rotation of the second belt pulley and the connecting rod is driven through the transmission of the belt, thereby the rotation of the top block is driven, then the up-down movement of the contact plate is driven through the shape of the top block and the movable connection with the contact plate, thereby the synchronous movement of the frame plate is driven, the plastic raw materials are filtered on the filter screen and fall into the hopper, the blocking phenomenon of the plastic raw materials is reduced through vibration, the quality of plastic film production is effectively improved, the workload of the operator is reduced, at the same time, the reinforcing frame can be separated from the frame plate by lifting the insertion block upwards, the filter screen is disassembled, the filter screen is cleaned, and the practicability of the blowing machine is improved.

[0014] 2. The plastic film blowing machine, through the cooperation of the filtering mechanism, in the use process of the blowing machine, the sealing cover is sleeved on the outer wall of the frame plate by grabbing the handle, thereby the sealing between the sealing cover and the frame plate is driven by the sealing strip, the impurities are prevented from falling into the inside of the frame plate, the filtering effect and efficiency of the plastic raw materials are improved, the protection effect of the frame plate and the hopper is improved, and the applicability of the blowing machine is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is the whole structure schematic view of the utility model;

[0017] Figure 3 It is the filter mechanism structure schematic view of the utility model;

[0018] Figure 4 It is the sealing mechanism structure schematic view of the utility model.

[0019] In the drawing: 1, machine body;2, hopper;3, filter mechanism;301, fixed block;302, motor;303, rotating shaft;304, first gear;305, second gear;306, movable rod;307, first belt pulley;308, belt;309, second belt pulley;310, connecting rod;311, top block;312, contact plate;313, frame plate;314, plug-in block;315, reinforcing frame;316, filter screen;4, sealing mechanism;401, sealing cover;402, sealing strip;403, handle. Specific implementation

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides technical scheme: a plastic film blowing machine, including machine body 1, the upper of machine body 1 is fixedly connected with hopper 2, the outer wall of hopper 2 is fixedly connected with filter mechanism 3, the upper of hopper 2 is movably connected with sealing mechanism 4;

[0022] The filtering mechanism 3 comprises a fixed block 301, a motor 302, a rotating shaft 303, a first gear 304, a second gear 305, a movable rod 306, a first belt pulley 307, a belt 308, a second belt pulley 309, a connecting rod 310, a top block 311, a contact plate 312, a frame plate 313, an insertion block 314, a reinforcing frame 315 and a filter screen 316. One side of the hopper 2 is fixedly connected with the fixed block 301, the inside of the fixed block 301 is fixedly connected with a bearing, the fixed block 301 is movably connected with the movable rod 306 through the bearing, the stability of the connection between the fixed block 301 and the movable rod 306 is improved, and meanwhile the smoothness during the rotation of the movable rod 306 is improved, one side of the fixed block 301 is fixedly connected with the motor 302, the output end of the motor 302 is fixedly connected with the rotating shaft 303 through a shaft coupling, one end of the rotating shaft 303 is fixedly connected with the first gear 304, the outer wall of the first gear 304 is movably connected with the second gear 305, the inside of the second gear 305 is fixedly connected with the movable rod 306, the outer wall of the movable rod 306 is fixedly connected with the first belt pulley 307, the outer wall of the first belt pulley 307 is movably connected with the belt 308, the inside of the belt 308 is movably connected with the second belt pulley 309, the inside of the second belt pulley 309 is fixedly connected with the connecting rod 310, the outer wall of the connecting rod 310 is fixedly connected with the top block 311, the outer wall of the top block 311 is movably connected with the contact plate 312, both sides of the hopper 2 are provided with groove bodies, the shape and size of the groove bodies and the shape and size of the contact plate 312 are matched with each other, the height of the contact plate 312 is adjusted, thereby driving the synchronous movement of the frame plate 313, one side of the contact plate 312 is fixedly connected with the frame plate 313, the upper portion of the frame plate 313 is movably connected with the insertion block 314, the insertion block 314 penetrates through the inside of the frame plate 313 and extends to the upper portion of the frame plate 313, the insertion block 314 is movably connected with the frame plate 313, the insertion block 314 is pulled, thereby driving the loading and unloading work between the filter screen 316 and the frame plate 313, one side of the insertion block 314 is fixedly connected with the reinforcing frame 315, the inner wall of the reinforcing frame 315 is fixedly connected with the filter screen 316.

[0023] Please refer to Figures 1-4 The sealing mechanism 4 comprises a sealing cover 401, a sealing strip 402 and a handle 403, the upper portion of the frame plate 313 is movably connected with the sealing cover 401, the lower portion of the sealing cover 401 is fixedly connected with the sealing strip 402, and the upper portion of the sealing cover 401 is fixedly connected with the handle 403.

[0024] Working principle: in using the plastic film blowing machine, first, the plastic raw material is poured into the frame plate 313, the motor 302 is started, the rotating shaft 303 and the first gear 304 are driven to rotate, then the mutual engagement between the first gear 304 and the second gear 305 is realized, thereby driving the rotation of the second gear 305 and the movable rod 306, at the same time, the rotation of the movable rod 306 drives the rotation of the two first belt pulleys 307, and through the transmission of the belt 308, the second belt pulley 309 and the connecting rod 310 are driven to rotate, thereby driving the rotation of the top block 311 on the outer wall of the connecting rod 310, then through the shape of the top block 311 and the movable connection with the contact plate 312, the up and down movement of the contact plate 312 is driven, and through the fixed connection between the contact plate 312 and the frame plate 313, the synchronous movement of the frame plate 313 is driven, so that the plastic raw material is filtered on the filter screen 316 and falls into the hopper 2, and the phenomenon of clogging of the plastic raw material is reduced through vibration, if it is necessary to clean or replace the impurities on the filter screen 316, the plug 314 can be lifted upwards, thereby driving the plug 314 to lift the height in the inner wall of the frame plate 313, thereby driving the reinforced frame 315 to separate from the frame plate 313 above the frame plate 313, so as to disassemble the filter screen 316, when the machine body 1 is not used, the sealing cover 401 is sleeved on the outer wall of the frame plate 313, thereby driving the sealing strip 402 to seal between the sealing cover 401 and the frame plate 313, avoiding the impurities falling into the inside of the frame plate 313 and the hopper 2 and the machine body 1, improving the protection effect of the frame plate 313, the hopper 2 and the machine body 1, so the use process of the plastic film blowing machine is completed.

[0025] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A plastic film blowing machine comprising a machine body (1), characterized in that: The upper part of the machine body (1) is fixedly connected with a hopper (2), the outer wall of the hopper (2) is fixedly connected with a filtering mechanism (3), and the upper part of the hopper (2) is movably connected with a sealing mechanism (4). The filtering mechanism (3) comprises a fixed block (301), a motor (302), a rotating shaft (303), a first gear (304), a second gear (305), a movable rod (306), a first belt pulley (307), a belt (308), a second belt pulley (309), a connecting rod (310), a top block (311), a contact plate (312), a frame plate (313), an insertion block (314), a reinforcing frame (315) and a filter screen (316), one side of the hopper (2) is fixedly connected with the fixed block (301), one side of the fixed block (301) is fixedly connected with the motor (302), the output end of the motor (302) is fixedly connected with the rotating shaft (303) through a shaft coupling, one end of the rotating shaft (303) is fixedly connected with the first gear (304), the outer wall of the first gear (304) is movably connected with the second gear (305), the inside of the second gear (305) is fixedly connected with the movable rod (306), the outer wall of the movable rod (306) is fixedly connected with the first belt pulley (307), the outer wall of the first belt pulley (307) is movably connected with the belt (308), the inside of the belt (308) is movably connected with the second belt pulley (309), the inside of the second belt pulley (309) is fixedly connected with the connecting rod (310), the outer wall of the connecting rod (310) is fixedly connected with the top block (311), and the outer wall of the top block (311) is movably connected with the contact plate (312).

2. A plastic film blowing machine according to claim 1, characterized in that One side of the contact plate (312) is fixedly connected with the frame plate (313), the upper part of the frame plate (313) is movably connected with the insertion block (314), one side of the insertion block (314) is fixedly connected with the reinforcing frame (315), and the inner wall of the reinforcing frame (315) is fixedly connected with the filter screen (316).

3. A plastic film blowing machine according to claim 1, characterized in that, The inside of the fixed block (301) is fixedly connected with a bearing, and the fixed block (301) is movably connected with the movable rod (306) through the bearing.

4. A plastic film blowing machine according to claim 1, wherein Grooves are formed in the two sides of the hopper (2), and the shape and size of the grooves are matched with those of the contact plate (312).

5. A plastic film blowing machine according to claim 2, wherein The insertion block (314) penetrates the inside of the frame plate (313) and extends to the upper part of the frame plate (313), and the insertion block (314) is movably connected with the frame plate (313).

6. A plastic film blowing machine according to claim 1, wherein The upper part of the frame plate (313) is movably connected with a sealing cover (401), the lower part of the sealing cover (401) is fixedly connected with a sealing strip (402), and the upper part of the sealing cover (401) is fixedly connected with a handle (403).

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