CN214082338U

CN214082338U - Hopper structure of film blowing machine

Info

Publication number: CN214082338U
Application number: CN202023222937.3U
Authority: CN
Inventors: 冯春
Original assignee: Suzhou Tipack Co ltd
Current assignee: Suzhou Tipack Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-31
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a inflation film manufacturing machine's hopper structure, say, be located the material and say the screw rod of interior and say communicating hopper, its characterized in that with the material including frame, material: the utility model discloses a hopper, including hopper, frame, unloading roller, frame, motor, gear, and plastic granules, the interval is provided with a plurality of unloading rollers that are parallel to each other with material way switch-on department interval in the hopper, the unloading roller all is provided with the pivot that one end passed the hopper lateral wall, the one end that the pivot is located the hopper outside all is provided with the gear that meshes in proper order each other, the frame is provided with and is connected in order to drive its pivoted first motor with one of them pivot, and its technical scheme main points are through first motor drive gear rotation, make adjacent unloading roller rotate along the equidirectional rotation respectively, stir plastic granules, make plastic granules fall into the below screw rod from the clearance between the unloading roller, and plastic granules keeps the mobile state, the bridging phenomenon can not appear.

Description

Hopper structure of film blowing machine

Technical Field

The utility model relates to a inflation film manufacturing machine, more specifically say, it relates to a blowing film manufacturing machine's hopper structure.

Background

The film blowing machine is mainly composed of a motor, a screw rod, a hopper, a die head, a frequency converter, a V plate, a pair of wheels and a winding roller, and is generally divided into a PE film blowing machine, a POF film blowing machine and a PVC film blowing machine. The production process of the film blowing machine comprises the steps of firstly adding dry plastic particles into a hopper, then enabling the particles to enter the surface of a screw rod from the hopper by means of the weight of the particles, applying thrust to the plastic particles by the aid of a rotating screw rod, pushing the particles forwards, extruding the plastic particles mutually in the pushing process, rubbing the screw rod and the material channel, and simultaneously melting the plastic by means of heating inside the material channel. The molten plastic is filtered and extruded, and the finished film is rolled into a cylinder by cooling, blowing and the like.

However, after the plastic particles are introduced into the hopper, the opening of the hopper is gradually reduced downwards, so that the plastic particles are easy to bridge in the hopper, and the plastic particles are difficult to fall; in addition, if some metal impurities exist in the plastic particles, the screw is easily abraded to a certain extent, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a inflation film manufacturing machine's hopper structure, it has makes plastic granules keep flowing, prevents the bridging phenomenon, and can get rid of the impurity in the plastic granules.

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

the utility model provides a blowing machine's hopper structure, includes that frame, material say, be located the material and say the screw rod of interior and say communicating hopper with the material, say the interval with the material and say that switch-on department is provided with a plurality of unloading rollers that are parallel to each other in the hopper, the unloading roller all is provided with the pivot that one end passed the hopper lateral wall, the pivot is located the outer one end of hopper and all is provided with the gear that meshes in proper order each other, the frame is provided with and is connected in order to drive its pivoted first motor with one of them pivot.

Preferably, the surface of the blanking roller is provided with a plurality of ribs along the length direction.

Preferably, a plurality of magnet blocks are distributed on the surface of the blanking roller along the length direction of the blanking roller.

Preferably, the hopper lateral wall is provided with the second motor and the actuating lever of being connected with the second motor near the material way department, the eccentric cam that is provided with through the actuating lever rotation and beats the hopper lateral wall on the actuating lever.

Preferably, the surface of the cam for beating the hopper is provided with a rubber block.

Preferably, a cavity is arranged in the rubber block, and a spring which stretches along with the rubber block is arranged in the cavity.

Preferably, the hopper top is articulated to have the apron, the hopper lateral wall has logical groove along the upper and lower direction run-through, it is provided with the glass piece to lead to the inslot.

Compared with the prior art, the utility model discloses following beneficial effect has:

the gears are driven to rotate by the first motor, so that the adjacent blanking rollers rotate in different directions respectively, plastic particles are stirred, the plastic particles fall from gaps among the blanking rollers, the plastic particles are kept in a flowing state, and the bridging phenomenon cannot occur; the convex edges are arranged on the blanking roller, so that plastic particles are easier to stir, and the plastic particles are prevented from slipping; the magnet piece can adsorb some magnetic metal in the plastic granules, prevents that it from falling into on the screw rod of below and causing equipment wearing and tearing.

The cam is eccentrically arranged on the driving rod, and the driving rod is driven to rotate through the rotation of the second motor, so that the cam continuously flaps the side wall of the hopper, and plastic particles are further prevented from being clamped in the hopper; the rubber block is arranged on the surface of the cam, so that the noise generated by flapping can be reduced, the rubber block is elastically deformed by the cavity during flapping, and the spring supports the rubber cushion block to prevent the rubber cushion block from deforming; through setting up the apron, can prevent that plastic granules from popping out the hopper under the interact of mechanism, can see plastic granules's the degree of depth through the glass piece, be convenient for in time to reinforced in the hopper.

Drawings

FIG. 1 is a sectional view of the present embodiment;

FIG. 2 is a front view of the present embodiment;

FIG. 3 is a side view of the present embodiment;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: 1. a frame; 11. a first motor; 2. a material channel; 21. a screw; 3. a hopper; 31. a blanking roller; 311. a rotating shaft; 3111. a gear; 312. a rib; 313. a magnet block; 32. a second motor; 321. a drive rod; 33. a glass sheet; 4. a cam; 41. a rubber block; 411. a cavity; 4111. a spring; 5. and (7) a cover plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A hopper structure of a film blowing machine comprises a frame 1, wherein a material channel 2 is arranged on the frame 1, a screw 21 is arranged in the material channel 2, and a hopper 3 communicated with the material channel 2 is arranged on the frame 1.

A plurality of parallel blanking rollers 31 are arranged at intervals at the connection part of the hopper 3 and the material channel 2, the blanking rollers 31 are provided with rotating shafts 311, one end of each rotating shaft 311 penetrates through the side wall of the hopper 3, gears 3111 which are meshed with each other in sequence are arranged at one end of each rotating shaft 311 which is positioned outside the hopper 3, and the rack 1 is provided with a first motor 11 connected with one rotating shaft 311 and used for driving the rack to rotate and driving the other gears 3111 to rotate; the surface of the blanking roller 31 is provided with a plurality of ribs 312 along the length direction thereof, so as to facilitate stirring of plastic particles; the plastic particles are kept in a flowing state through the rotation of the blanking rollers 31, so that the plastic particles fall from the gaps among the blanking rollers 31, and the bridging phenomenon cannot occur; a plurality of magnet blocks 313 are distributed on the surface of the blanking roller 31 along the length direction of the blanking roller 31 and are used for sucking out magnetic metal impurities in plastic particles and preventing the magnetic metal impurities from wearing the screw 21.

A second motor 32 is arranged on the outer side wall of the hopper 3 close to the material channel 2, the second motor 32 is connected with a driving rod 321, a cam 4 is eccentrically arranged on the driving rod 321, the driving rod 321 rotates to drive the cam 4 to periodically flap the hopper 3, plastic particles are prevented from being clamped in the hopper 3, and the blanking stability is further improved; the surface that cam 4 is used for patting hopper 3 is provided with block rubber 41 for reduce the noise, is provided with cavity 411 in the block rubber 41, is provided with the flexible spring 4111 along with block rubber 41 in the cavity 411, makes block rubber 41 take place to warp the buffering at the patting in-process, and spring 4111 can prevent that block rubber 41 from taking place plastic deformation.

A cover plate 5 is hinged above the hopper 3 and used for preventing the materials from popping out of the hopper 3; the lateral wall of the hopper 3 is penetrated with a through groove along the up-down direction, and a glass sheet 33 is arranged in the through groove and used for observing the quantity of plastic particles in the hopper 3, so that the feeding is facilitated in time.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a blowing machine's hopper structure, includes frame, material way, be located the material and say the communicating hopper of screw rod and material way, its characterized in that: the feeding device is characterized in that a plurality of parallel feeding rollers are arranged at intervals at the connection position of the feeding channel in the hopper, the feeding rollers are provided with rotating shafts, one ends of the rotating shafts penetrate through the side walls of the hopper, gears which are meshed with each other in sequence are arranged at one ends of the rotating shafts, and the rack is provided with a first motor which is connected with one of the rotating shafts to drive the rotating shafts to rotate.

2. The hopper structure of the film blowing machine according to claim 1, characterized in that: the surface of the blanking roller is provided with a plurality of convex edges along the length direction.

3. The hopper structure of the film blowing machine according to claim 2, characterized in that: and a plurality of magnet blocks are distributed on the surface of the blanking roller along the length direction of the blanking roller.

4. The hopper structure of the film blowing machine according to claim 1, characterized in that: the hopper lateral wall is close to material way department and is provided with the second motor and the actuating lever of being connected with the second motor, the eccentric cam that is provided with through the actuating lever rotation and patts the hopper lateral wall on the actuating lever.

5. The hopper structure of the film blowing machine according to claim 4, characterized in that: the surface that the cam is used for patting the hopper is provided with the block rubber.

6. The hopper structure of the film blowing machine according to claim 5, characterized in that: a cavity is arranged in the rubber block, and a spring which stretches along with the rubber block is arranged in the cavity.

7. The hopper structure of the film blowing machine according to claim 1, characterized in that: the hopper top articulates there is the apron, the hopper lateral wall has logical groove along the upper and lower direction run through, it is provided with the glass piece to lead to the inslot.