CN212737001U

CN212737001U - Plastic extruder feeding device with preheating mechanism

Info

Publication number: CN212737001U
Application number: CN202021497453.7U
Authority: CN
Inventors: 谢永良; 韩仲英; 莫国良; 赵小妹
Original assignee: Changzhou Yongbo Electronic Co ltd
Current assignee: Changzhou Yongbo Electronic Co ltd
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-03-19
Anticipated expiration: 2030-07-25

Abstract

The utility model discloses a plastics extruder loading attachment with preheat mechanism belongs to plastics extruder field, and it includes the feed bin and with the material hose of inhaling of feed bin intercommunication, still includes the preheating cabinet, the bottom of preheating cabinet with inhale the one end intercommunication that the feed bin was kept away from to the material hose, the preheating cabinet top is equipped with the apron, the electric heating pipe of the vertical setting of fixedly connected with on the apron, the steam discharge port has been seted up to the preheating cabinet lateral wall. The utility model discloses have and to carry out the drying to the material, make its water content can reduce, make the material be difficult for adhering to ejection of compact hose inner wall, also be difficult for causing the effect of harmful effects to the quality of the plastic film who produces.

Description

Plastic extruder feeding device with preheating mechanism

Technical Field

The utility model belongs to the technical field of plastic extruder loading attachment's technique and specifically relates to a plastic extruder loading attachment with preheat mechanism is related to.

Background

After the development of the plastic extruder for more than 100 years, multiple types of double screws, multiple screws, even no screws and the like are derived from the original single screw, so that the plastic extrusion molding machine is one of the widely applied plastic processing industry at present or in the future. The basic mechanism comprises a feeding mechanism, a melting mechanism, a conveying and extruding mechanism and a cutting and winding mechanism, and the working principle is as follows: the plastic and the auxiliary materials are mixed according to the proportion to form a material, the material is fed through a feeding mechanism, then the material is heated and melted through a melting mechanism, then the material is extruded and molded through a conveying and extruding mechanism, and finally the material is cut to a proper width and wound according to the requirement. The insulating sheath wrapped outside the core wire in the cable is usually made of plastics such as polyvinyl chloride, and when the cable is produced, the produced plastics are extruded by a die head of a plastic extruder and are wrapped on the core wire, so that the core wire has good insulating property.

Chinese patent with publication number CN210061933U discloses a plastics extruder feed mechanism, which comprises a frame, still including locating the negative pressure in the frame and inhaling material subassembly and the heavy control assembly of rice, the heavy control assembly of rice is including locating the feed bin of negative pressure material subassembly output, the feed bin bottom is equipped with ejection of compact hose and ejection of compact electric butterfly valve intercommunication, ejection of compact hose is towards plastics extruder input, the negative pressure is inhaled the material subassembly and is including locating the transfer bin of feed bin upper end, be equipped with on the transfer bin and inhale the material hose, be equipped with the negative pressure air pump in addition, be equipped with the filtration grid in the transfer bin, the negative pressure air pump lets in the transfer bin through the air suction pipeline, the transfer bin is equipped with the filtration grid in air suction pipeline department, the transfer bin lower extreme is.

The above prior art solutions have the following drawbacks: because the material in the feed bin directly gets into the plastics extruder input from ejection of compact hose ejection of compact back and melts, if water content is more in the material, lead to the material to become moist easily and in the ejection of compact hose is attached to, not only be difficult to the clearance, and also can take place the problem of different material dopings when utilizing ejection of compact hose to carry other materials again, influence the plastics quality of producing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastics extruder loading attachment with preheat mechanism has and carries out the drying to the material, makes its water content reduce, makes the material be difficult for adhering to ejection of compact hose inner wall, also is difficult for causing the effect of harmful effects to the quality of the plastic film who produces.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a plastics extruder loading attachment with preheat mechanism, includes the feed bin and with the material hose of inhaling of feed bin intercommunication, still includes the preheating cabinet, the bottom of preheating cabinet with inhale the one end intercommunication that the feed bin was kept away from to the material hose, the preheating cabinet top is equipped with the apron, the electric heating pipe of the vertical setting of fixedly connected with on the apron, the steam discharge port has been seted up to the preheating cabinet lateral wall.

Through adopting above-mentioned technical scheme, can preheat the material, reduce material water content, make the material be difficult for gluing in inhaling material hose inner wall, also be difficult for sending out biological material doping problem when utilizing ejection of compact hose to carry other materials simultaneously to the quality of the plastic film who produces is difficult for influencing.

Preferably, a hollow sleeve is installed on one side, facing the interior of the preheating box, of the cover plate, and the electric heating pipe is sleeved in the hollow sleeve.

Through adopting above-mentioned technical scheme, can reduce the material and directly glue the possibility on electric heating pipe.

Preferably, the side wall of the hollow sleeve is formed with a plurality of notches.

By adopting the technical scheme, the contact area between the material and the hollow sleeve is increased, the quantity of heat transfer of the material directly is increased, and the reduction of the total water content of the material is facilitated.

Preferably, one end of the hollow sleeve penetrates through the outer side of the cover plate, the hollow sleeve is rotatably connected with the cover plate, and the side wall of the hollow sleeve is fixedly connected with a stirring blade.

Through adopting above-mentioned technical scheme, thereby the accessible is artifical rotates the cavity sleeve pipe and stirs the material, is favorable to carrying out the heat transfer between material and the cavity sleeve pipe, makes the material be heated more evenly, reduces the water content of material.

Preferably, the cover plate is provided with a motor, one end of the hollow sleeve penetrating out of the cover plate is fixedly connected with a bevel gear, an output shaft of the motor is fixedly provided with a bevel gear, and the bevel gear are in meshing transmission.

Through adopting above-mentioned technical scheme, the motor rotates and drives the helical gear and rotate, further drives bevel gear and rotates, makes cavity sleeve pipe and stirring vane rotate then to stir the material with automizing.

Preferably, the side wall of the preheating box is communicated with a heat exchange fan, and the air inlet end of the heat exchange fan is connected with an air purifier.

Through adopting above-mentioned technical scheme, heat transfer fan has promoted the flow of the inside air of preheating cabinet on the horizontal direction to the evaporation of material and hollow sleeve's heat exchange and steam has been promoted.

Preferably, the air outlet end of the heat exchange fan and the side wall of the preheating box are connected with an air blowing pipeline, the preheating box is located at the joint of the preheating box and the air blowing pipeline and is provided with an air blowing pipeline valve, an opening is formed in the side wall of the air blowing pipeline and is close to the air blowing pipeline valve, a fixing rod is arranged in the opening, an electric heating wire is fixedly connected to the side wall of the fixing rod, and the air blowing pipeline is bonded to the opening through a sealing adhesive tape for fixing the fixing rod.

Through adopting above-mentioned technical scheme, the heating wire heats the air, and the heat transfer fan blows in the preheating cabinet with the air after heating to can further promote the evaporation of moisture in the material.

Preferably, a thermocouple thermometer is arranged on the side wall of the preheating box.

By adopting the technical scheme, the thermocouple thermometer can measure the temperature in the preheating box, and the preheating is stopped when the temperature reaches the corresponding temperature, so that the possibility of spontaneous combustion of materials caused by overhigh temperature is reduced.

Preferably, the cover plate is fixedly connected with an anti-scald handle.

Through adopting above-mentioned technical scheme, the material can conveniently be thrown at the preheating cabinet top to the utilization and prevent scalding the handle.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the preheating box, the electric heating pipe and the water vapor outlet are arranged, so that the material can be preheated, the water content of the material is reduced, and the quality of the produced plastic film is more stable;

2. the arrangement of the notches formed on the side wall of the hollow sleeve can increase the area of the electric heating pipe for radiating heat in the preheating box, improve the direct contact area of the materials and the hollow sleeve, and facilitate further reduction of the total water content of the materials;

3. through the setting of air purifier, heat transfer fan, blowing pipeline, dead lever, sealed sticky tape and heating wire, can be to the hot-air of blowing into in the preheating cabinet, promote the flow of the interior air of preheating cabinet, make the material be heated more evenly, still can further promote the evaporation of steam simultaneously.

Drawings

FIG. 1 is a schematic structural diagram of a feeding device of a plastic extruder in an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of the interior of the preheating box in the embodiment of the present application.

Fig. 4 is a schematic view of a connection structure of the preheating box, the heat exchange fan and the air purifier in the embodiment of the present application.

Fig. 5 is an enlarged view of a portion B in fig. 4.

In the figure, 1, a preheating box; 11. preheating a material sucking valve; 12. a cover plate; 121. a hollow sleeve; 1211. an electric heating tube; 1212. a notch; 1213. a stirring blade; 1214. a bevel gear; 122. a motor; 1221. a helical gear; 13. a water vapor outlet; 14. an anti-scald handle; 141. a rubber sleeve; 15. a thermocouple thermometer; 16. a blowpipe valve; 2. a material suction hose; 21. a negative pressure air pump; 4. a storage bin; 41. a water vapor discharge port; 5. a heat exchange fan; 51. an air purifier; 6. a blowing duct; 61. an electric heating wire; 63. fixing the rod; 64. sealing the adhesive tape; 7. and (7) a discharge hose.

Detailed Description

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

As shown in fig. 1 and 2, for the utility model discloses a plastics extruder loading attachment with mechanism preheats, including feed bin 4, negative pressure air pump 21, preheating cabinet 1 with inhale material hose 2, discharge hose 7 and plastics extruder feed inlet intercommunication are passed through to 4 bottoms of feed bin, steam discharge port 41 has been seted up at 4 tops of feed bin, negative pressure air pump 21 is installed at 4 tops of feed bin, inhale material hose 2 one end and pass through negative pressure air pump 21 and be connected with feed bin 4, the other end is connected bottom preheating cabinet 1, preheating cabinet 1 is installed in inhaling material hose 2 bottom junction and is preheated and inhale material valve 11. The top of preheating cabinet 1 is equipped with apron 12, and fixedly connected with prevents scalding handle 14 on the apron 12, prevents scalding the cover and establishes and be fixed with rubber sleeve 141 on the handle 14, utilizes to prevent scalding handle 14 and opens apron 12 and can carry out the feeding.

As shown in fig. 1 and 2, an electric heating tube 1211 is fixedly connected to one side of the cover plate 12 facing the interior of the preheating chamber 1, the electric heating tube 1211 is vertically arranged, and the top end of the electric heating tube passes through the outer side of the cover plate 12 for wiring; the center of the cover plate 12 is rotatably connected with a hollow sleeve 121 which is vertically arranged and is located inside the preheating box 1, a plurality of notches 1212 are formed on the side wall of the hollow sleeve 121 along the axial direction, the electric heating pipe 1211 is located inside the hollow sleeve 121, and the distance between the side wall of the electric heating pipe 1211 and the notches 1212 is 1-2 cm. The side wall of the preheating box 1 is provided with a water vapor outlet 13, after the electric heating pipe 1211 is electrified to generate heat, the electric heating pipe 1211 can exchange heat with the material in the preheating box 1, if wet material exists, the wet material can be dried, so that the wall sticking phenomenon of the material in the subsequent conveying process is reduced, and the arrangement of the notch 1212 can increase the contact area of the heat transfer between the material and the hollow sleeve 121. The side wall of the preheating chamber 1 is also provided with a thermocouple thermometer 15 for measuring the temperature inside the preheating chamber 1.

As shown in fig. 2 and 3, the cover plate 12 is provided with a motor 122, an output shaft of the motor 122 is horizontally arranged and coaxially fixed with a helical gear 1221, and the side wall of the hollow casing 121 is fixedly connected with a stirring blade 1213 along the axial direction thereof; the end of the hollow sleeve 121, which is out of the cover plate 12, is fixedly connected with a bevel gear 1214, and the bevel gear 1214 is in meshing transmission with a bevel gear 1221. The motor 122 may drive the hollow casing 121 to rotate and stir the material using the stirring blade 1213 to accelerate the drying efficiency of the material.

As shown in fig. 4 and 5, a blowing pipe 6 is connected to a side wall of the preheating box 1, a heat exchange fan 5 is connected to one end of the blowing pipe 6 away from the preheating box 1, and an air inlet of the heat exchange fan 5 is connected to an air cleaner 51. An opening (not shown) is formed in the side wall of the blowing pipe 6, a fixing rod 63 is inserted into the opening, and a sealing tape 64 for fixing the fixing rod 63 and the blowing pipe 6 relatively is bonded to the opening of the blowing pipe 6. The lateral wall fixedly connected with heating wire 61 of dead lever 63, preheating cabinet 1 lateral wall are located its junction with blowing pipeline 6 and install blowing pipeline valve 16, and heating wire 61 is located blowing pipeline 6 and is close to blowing pipeline valve 16 department, and heat transfer fan 5 and heating wire 61 start can heat the air that is purified by air purifier 51, blow in to preheating cabinet 1 again, further carry out the drying to the material.

The implementation principle of the above embodiment is as follows: firstly, putting materials into a preheating box 1, electrifying an electric heating pipe 1211, opening a motor 122 to rotate a hollow sleeve 121 while the electric heating pipe 1211 heats the interior of the preheating box 1, opening a blowing pipeline valve 16 to electrify an electric heating wire 61 and introducing air through an air exchange purifier 51 and an air heater 5, observing the temperature through a thermocouple thermometer 15, closing the motor 122, the electric heating pipe 1211, the electric heating wire 61 and the heat exchange fan 5 when the temperature is high, opening a preheating material suction valve 11, sucking the materials in the preheating box 1 into a storage bin 4 by using a negative pressure air pump 21, and then feeding the materials into a plastic extruder.

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 to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a plastics extruder loading attachment with preheat mechanism, includes feed bin (4) and inhales material hose (2) with feed bin (4) intercommunication, its characterized in that: still include preheating cabinet (1), the bottom of preheating cabinet (1) and the one end intercommunication of keeping away from feed bin (4) in inhaling material hose (2), preheating cabinet (1) top is equipped with apron (12), electric heating pipe (1211) of the vertical setting of fixedly connected with on apron (12), steam discharge port (13) have been seted up to preheating cabinet (1) lateral wall.

2. The feeding device of the plastic extruder with the preheating mechanism, according to claim 1, is characterized in that: one side of the cover plate (12) facing the interior of the preheating box (1) is provided with a hollow sleeve (121), and the electric heating pipe (1211) is sleeved in the hollow sleeve (121).

3. The feeding device of the plastic extruder with the preheating mechanism as claimed in claim 2, wherein: the side wall of the hollow sleeve (121) is provided with a plurality of notches (1212).

4. The feeding device of the plastic extruder with the preheating mechanism as claimed in claim 2, wherein: one end of the hollow sleeve (121) penetrates through the outer side of the cover plate (12), the hollow sleeve (121) is rotatably connected with the cover plate (12), and a stirring blade (1213) is fixedly connected to the side wall of the hollow sleeve (121).

5. The feeding device of the plastic extruder with the preheating mechanism as claimed in claim 2, wherein: the motor (122) is installed on the cover plate (12), the hollow sleeve (121) penetrates out of one end of the cover plate (12) and is fixedly connected with a bevel gear (1214), a bevel gear (1221) is fixed on an output shaft of the motor (122), and the bevel gear (1214) and the bevel gear (1221) are in meshing transmission.

6. The feeding device of the plastic extruder with the preheating mechanism, according to claim 1, is characterized in that: the side wall of the preheating box (1) is communicated with a heat exchange fan (5), and the air inlet end of the heat exchange fan (5) is connected with an air purifier (51).

7. The feeding device of the plastic extruder with the preheating mechanism, according to claim 6, is characterized in that: the heat exchange fan is characterized in that an air outlet end of the heat exchange fan (5) and the side wall of the preheating box (1) are connected with an air blowing pipeline (6), the preheating box (1) is located at the joint of the preheating box and the air blowing pipeline (6) and is provided with an air blowing pipeline valve (16), the side wall of the air blowing pipeline (6) is close to the air blowing pipeline valve (16), an opening is formed in the position, a fixing rod (63) is arranged in the opening, the side wall of the fixing rod (63) is fixedly connected with an electric heating wire (61), and the air blowing pipeline (6) is bonded with a sealing adhesive tape (64) used for fixing the fixing rod (63) at the opening.

8. The feeding device of the plastic extruder with the preheating mechanism, according to claim 1, is characterized in that: and a thermocouple thermometer (15) is arranged on the side wall of the preheating box (1).

9. The feeding device of the plastic extruder with the preheating mechanism, according to claim 1, is characterized in that: an anti-scald handle (14) is fixedly connected to the cover plate (12).