CN218196827U - Raw material conveying device for processing polypropylene flexible freight bag - Google Patents

Abstract

The utility model discloses a raw material conveying device for processing polypropylene flexible freight bags, which comprises a hopper, wherein one side of the top of the hopper is provided with a feed hopper, the bottom of the hopper is provided with a crushing box, the bottom of the crushing box is horizontally provided with a material conveying cylinder, and one end of the material conveying cylinder is provided with a material discharging cylinder communicated with a feed inlet of an extruder; two crushing rollers are symmetrically arranged in the crushing box, the two crushing rollers are rotationally connected with the crushing box, and the same uniform ends of the two crushing rollers extend to the outside of one side of the crushing box, which is far away from the discharging barrel; two rotating shafts are symmetrically and rotatably arranged in the material conveying cylinder, the same end of each rotating shaft extends to the outer part of one side of the material conveying cylinder, which is far away from the crushing box, and spiral conveying pieces are symmetrically arranged on the two rotating shafts; and a driving mechanism for driving the two crushing rollers and the two rotating shafts to rotate oppositely is arranged on one side of the material conveying cylinder far away from the material discharging cylinder. The utility model discloses can effectively carry out the breakage so that the extruder to its heating melting to the raw materials, can reduce extruder heating energy consumption.

Description

Raw material conveying device for processing polypropylene flexible freight bag

Technical Field

The utility model relates to a raw materials conveyor for processing polypropylene flexible container belongs to flexible container processing technology field.

Background

The polypropylene container is a flexible transport and package container, and is widely used for transport and package of powdery, granular and blocky articles such as food, cereal, medicine, chemical industry, mineral products and the like. In the production process of polypropylene flexible freight bags, raw materials are required to be put into a conveying device, then the conveying device conveys the materials into an extruder to be heated and melted, and then the materials are extruded into films, cut into threads and then subjected to processes such as weaving.

However, the existing conveying device often directly mixes the materials and then puts the mixed materials into the conveying device, and the conveying device does not further process the raw materials; for example, a quantitative material conveying device for producing a flexible freight bag, disclosed in the prior art as CN215589674U, can automatically weigh different materials before the materials enter a stirring machine, and automatically introduce quantitative materials into the stirring machine after the materials are weighed.

Disclosure of Invention

For solving the not enough of prior art, the utility model provides a raw materials conveyor for processing polypropylene flexible container can effectively carry out the breakage so that the extruder can reduce extruder heating energy consumption to its heating melting to the raw materials.

The utility model discloses the technical scheme who adopts does:

a raw material conveying device for processing polypropylene flexible freight bags comprises a hopper, wherein a feed hopper is arranged on one side of the top of the hopper, a crushing box is arranged at the bottom of the hopper, a conveying cylinder is horizontally arranged at the bottom of the crushing box, and a discharging cylinder communicated with a feed inlet of an extruder is arranged at one end of the conveying cylinder; two crushing rollers are symmetrically arranged in the crushing box, the two crushing rollers are rotationally connected with the crushing box, and the same uniform ends of the two crushing rollers extend to the outside of one side of the crushing box, which is far away from the discharging barrel; two rotating shafts are symmetrically and rotatably arranged in the material conveying cylinder, the same end of each rotating shaft extends to the outer part of one side of the material conveying cylinder, which is far away from the crushing box, and spiral conveying pieces are symmetrically arranged on the two rotating shafts; and a driving mechanism for driving the two crushing rollers and the two rotating shafts to rotate in opposite directions is further arranged on one side, far away from the feeding barrel, of the feeding barrel.

As an optimization of the utility model, two guide plates which incline downwards and face to the gap between the two crushing rollers are symmetrically arranged in the crushing box above the two crushing rollers.

As a preferred, the crushing roller includes that main shaft and fixed cover establish the epaxial roll body, the main shaft passes through the bearing and is connected with the rotation of broken case surround on the roll body and be provided with a plurality of bulge loop, and the mutual crisscross setting of bulge loop on two crushing rollers.

As a preference of the utility model, the driving mechanism comprises a transmission case, the bottom of the transmission case is provided with a mounting plate fixedly connected with the top surface of the extruder, and the main shafts and the two rotating shafts of the two crushing rollers extend into the transmission case and are respectively connected with the transmission case in a rotating way through bearings; two driving motors are symmetrically arranged on the side wall of the transmission case, and execution shafts of the driving motors extend into the transmission case and are fixedly connected with corresponding rotating shafts through couplers; two corresponding chain wheels are arranged on each rotating shaft and the corresponding main shaft, and a transmission chain is arranged around the two chain wheels.

As the utility model discloses a preferred the top of hopper is provided with the agitator motor that the executive spindle extends to in the hopper vertical (mixing) shaft that is provided with the executive spindle fixed connection of top through shaft coupling and agitator motor in the hopper be provided with the stirring flood dragon on the (mixing) shaft.

Preferably, the hopper is further provided with a boundary window.

As a preferred, still be provided with a plurality of and extruder top surface fixed connection's the supporting legs of type of falling T structure in the bottom of defeated feed cylinder.

As an optimization of the utility model, an exhaust pipe is also arranged on one side of the top of the hopper.

The beneficial effects of the utility model reside in that:

the raw materials are crushed by the crushing roller, so that the raw materials can be conveniently heated and melted by the extruder, and the energy consumption can be reduced to a certain degree; by adopting a double-screw feeding mode, the discharging efficiency is high, the discharging is uniform, the aging yield can be better ensured, and the calculation and the control of the feeding amount are convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the crushing roller;

fig. 3 is a side view of the guide plate.

Detailed Description

The present invention will be specifically described with reference to the accompanying drawings and examples.

As shown in fig. 1-3: the embodiment is a raw materials conveyor for processing polypropylene flexible freight bag, including hopper 1, top one side of hopper 1 is provided with feeder hopper 2, top opposite side at hopper 1 is provided with blast pipe 3, be provided with the vertical decurrent agitator motor 4 that extends to in the hopper 1 of execution axle at the top of hopper 1, the vertical (mixing) shaft 5 that is provided with the execution axle fixed connection that passes through shaft coupling and agitator motor 4 at the top in hopper 1, be provided with the stirring flood dragon 6 on (mixing) shaft 5, in the time of practical application, in order to improve mixed effect, can replace stirring flood dragon 6 into installing the stirring vane on (mixing) shaft 5 from top to bottom, still set up bounded face window 7 on hopper 1, in order to conveniently observe the raw materials material level in the hopper 1.

The raw materials after mixing are put into the hopper 1 through the feed hopper 2, and the stirring motor 4 drives the stirring shaft 5 to rotate and drive the stirring flood dragon 6 thereon to continuously stir the raw materials after mixing, so that the raw materials are kept in a fully mixed state.

Be provided with the broken case 8 with hopper 1 intercommunication in the bottom of hopper 1, the symmetry is provided with two crushing rollers 9 in broken case 8, crushing roller 9 includes that main shaft 10 and fixed cover establish the roll body 11 on main shaft 10, main shaft 10 rotates with broken case 8 through the bearing to be connected, and two main shafts 10 with the homogeneous end extend to one side outside of broken case 8, around being provided with a plurality of bulge loop 12 on roll body 11, and the bulge loop 12 on two crushing rollers 9 sets up crisscross each other, bulge loop 12 can carry out effectual breakage to the material in clearance between two roll bodies 11.

In order to facilitate the crushing of the raw material, two guide plates 13 are symmetrically arranged in the crushing box 8 above the two crushing rollers 9, the guide plates 13 are inclined downwards and face towards the gap between the two crushing rollers 9, and the raw material is guided between the two roller bodies 11 through the guide plates 13.

A material conveying cylinder 14 is horizontally arranged at the bottom of the crushing box 8, two rotating shafts 15 are symmetrically and rotatably arranged in the material conveying cylinder 14, and spiral conveying pieces 16 are symmetrically arranged on the two rotating shafts 15; the same end of the two rotating shafts 15 also extends to the outside of one side of the material conveying cylinder 14, and the end of the rotating shaft 15 is located at the same side as the end of the main shaft 10.

A driving mechanism for driving the two crushing rollers 9 and the two rotating shafts 15 to rotate oppositely is further arranged on one side of the material conveying cylinder 14, the driving mechanism comprises a transmission case 17, an installation plate 18 fixedly connected with the top surface of the extruder is arranged at the bottom of the transmission case 17, and the main shafts 10 of the two crushing rollers 9 and the two rotating shafts 15 extend into the transmission case 17 and are respectively and rotatably connected with the transmission case 17 through bearings; two driving motors 19 are symmetrically arranged on the side wall of the transmission case 17, and execution shafts of the driving motors 19 extend into the transmission case 17 and are fixedly connected with the corresponding rotating shafts 15 through couplers; two corresponding chain wheels 20 are arranged on each rotating shaft 15 and the corresponding main shaft 10, a transmission chain 21 is arranged around the two chain wheels 20, and the driving motor 19 drives the corresponding rotating shaft 15 to rotate so as to drive the corresponding main shaft 10 to rotate through the transmission chain 21, namely, the corresponding crushing roller 9 is driven to rotate.

Taking the view angle in fig. 1 as an example, the rotating shaft 15 and the main shaft 10 located at the front end rotate along the counterclockwise direction under the driving of the corresponding driving motor 19, the rotating shaft 15 and the main shaft 10 located at the rear end rotate along the counterclockwise direction under the driving of the corresponding driving motor 19, and then the raw materials passing through the two crushing rollers 9 can be crushed, and the raw materials falling into the material conveying cylinder 14 after being crushed can be conveyed to the other end of the cylinder body, the other end of the material conveying cylinder 14 is also provided with a material discharging cylinder 22 communicated with the feed port of the extruder, and the raw materials fall into the extruder after being conveyed into the material discharging cylinder 22.

In order to improve the stability, a plurality of support legs 23 of an inverted T-shaped structure fixedly connected with the top surface of the extruder are further arranged at the bottom of the feed delivery cylinder 14.

The utility model discloses a theory of operation does:

the materials mixed according to a certain proportion are put into the hopper 1 through the feed hopper 2, the amount of the raw materials passing through the two guide plates 13 is limited, so that a certain material level is accumulated in the hopper 1, and the stirring motor 4 drives the stirring shaft 5 and the stirring flood dragon 6 on the stirring shaft 5 to rotate so as to keep the raw materials in a mixed state.

When the raw materials are guided to the gap between the two crushing rollers 9 driven by the driving motor 19 to rotate through the two material guide plates 13, the raw materials are crushed under the action of the roller body 11 and the convex ring 12; the crushed material falls into the material conveying cylinder 14, under the action of the driving motor 19, the spiral conveying piece 16 on the rotating shaft 15 pushes the raw material to move towards the lower material cylinder 22, and then the raw material falls into the extruder through the lower material cylinder 22, the crushed raw material is convenient for the extruder to heat and melt the raw material, and the energy consumption can be reduced to a certain degree.

In practical application, a valve can be arranged on the cylinder body of the lower feed cylinder 22 below the feed delivery cylinder 14 to solve the problem of raw material conveying during initial feeding, that is, the driving motor 19 drives the spiral conveying piece 16 to push the material into the lower feed cylinder 22, and then the valve is opened after a certain period of time, so as to reduce the error between the raw material amount entering the extruder for the first time and the raw material amount entering the extruder for the subsequent time.

After the whole system is stable, the aging output of the extruder and the feeding amount of the conveying device can be conveniently calculated and controlled.

The parts of the utility model not described in detail are prior art, and are not described again here.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A raw materials conveyor for processing polypropylene flexible freight bag which characterized in that: the extruder comprises a hopper, wherein a feed hopper is arranged on one side of the top of the hopper, a crushing box is arranged at the bottom of the hopper, a feed delivery cylinder is horizontally arranged at the bottom of the crushing box, and a discharge cylinder communicated with a feed inlet of an extruder is arranged at one end of the feed delivery cylinder; two crushing rollers are symmetrically arranged in the crushing box, the two crushing rollers are rotationally connected with the crushing box, and the same uniform ends of the two crushing rollers extend to the outside of one side of the crushing box, which is far away from the discharging barrel; two rotating shafts are symmetrically and rotatably arranged in the material conveying cylinder, the same end of each rotating shaft extends to the outer part of one side of the material conveying cylinder, which is far away from the crushing box, and spiral conveying pieces are symmetrically arranged on the two rotating shafts; and a driving mechanism for driving the two crushing rollers and the two rotating shafts to rotate oppositely is arranged on one side of the material conveying cylinder far away from the material discharging cylinder.

2. The raw material conveying apparatus for processing polypropylene bulk bags according to claim 1, wherein two guide plates are symmetrically disposed in the crushing box above the two crushing rollers, and are inclined downward toward the gap between the two crushing rollers.

3. The raw material conveying device for processing the polypropylene flexible freight bags according to claim 1 or 2, wherein the crushing rollers comprise a main shaft and a roller body fixedly sleeved on the main shaft, the main shaft is rotatably connected with the crushing box through a bearing, a plurality of convex rings are arranged on the roller body in a surrounding manner, and the convex rings on the two crushing rollers are arranged in a staggered manner.

4. The raw material conveying device for processing the polypropylene flexible freight bags according to claim 3, wherein the driving mechanism comprises a transmission case, the bottom of the transmission case is provided with a mounting plate fixedly connected with the top surface of the extruder, and the main shafts and the two rotating shafts of the two crushing rollers extend into the transmission case and are respectively and rotatably connected with the transmission case through bearings; two driving motors are symmetrically arranged on the side wall of the transmission case, and execution shafts of the driving motors extend into the transmission case and are fixedly connected with corresponding rotating shafts through couplers; two corresponding chain wheels are arranged on each rotating shaft and the corresponding main shaft, and a transmission chain is arranged around the two chain wheels.

5. The raw material conveying device for processing the polypropylene flexible freight bags according to claim 1, characterized in that a stirring motor with an execution shaft extending into the hopper is arranged at the top of the hopper, a stirring shaft with the top fixedly connected with the execution shaft of the stirring motor through a coupler is vertically arranged in the hopper, and a stirring auger is arranged on the stirring shaft.

6. A material transfer unit for use in the processing of polypropylene bulk bags according to claim 1 or 5, wherein a bounding window is further provided in the hopper.

7. The material conveying device for processing polypropylene bulk bags according to claim 1, wherein the bottom of the material conveying cylinder is further provided with a plurality of supporting legs of inverted T-shaped structure fixedly connected with the top surface of the extruder.

8. The raw material conveying device for processing the polypropylene bulk bag as claimed in claim 1, wherein an exhaust pipe is further provided at one side of the top of the hopper.

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