CN111907036A

CN111907036A - Rotary discharging type plastic film raw material extrusion device

Info

Publication number: CN111907036A
Application number: CN202010742464.5A
Authority: CN
Inventors: 张玉青
Original assignee: Jiangsu Zhongda Packing Material Co ltd
Current assignee: Jiangsu Zhongda Packing Material Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2020-11-10

Abstract

The invention discloses a rotary discharging type plastic film raw material extruding device which comprises a supporting seat, a stirring and conveying tank body, a feeding hopper, a stirring and conveying mechanism, a rotary driving mechanism and a rotary discharging mechanism, wherein the stirring and conveying tank body is arranged on the supporting seat; the rotary discharging mechanism is additionally arranged, the power gear is driven to rotate by the discharging power motor, then the power gear drives the discharging gear ring to rotate, and further drives the extruding head to rotate, so that the rotary discharging structure is formed, the extruded material has certain kinetic energy, and the condition of extruding and blanking cannot occur.

Description

Rotary discharging type plastic film raw material extrusion device

Technical Field

The invention relates to a rotary discharging type plastic film raw material extrusion device.

Background

The plastic is a high molecular compound which is polymerized by addition polymerization or polycondensation reaction by taking a monomer as a raw material, is commonly called plastic or resin, can freely change components and form and style, and comprises synthetic resin, a filler, a plasticizer, a stabilizer, a lubricant, a pigment and other additives; the basic properties of plastics are largely determined by the nature of the resin, but additives also play an important role; however, in the existing extrusion device, the interior of the tank body generally needs to be heated and insulated, so that the raw materials keep certain fluidity in the conveying process, but the temperatures of the raw materials with different material components required for flow insulation are different, so that under the condition of better fluidity of the raw materials, when too much heating time is not needed, the heating time can be shortened, the conveying speed can be increased, and the extrusion efficiency can be improved; when the flowability of the raw materials is poor and the heating time needs to be increased, the heating time can be prolonged, and the conveying speed of the raw materials can be properly reduced, so that the discharging speed and the heating time of the raw materials can be adjusted according to the flowability of different raw materials; in addition, in order to improve the discharging speed, the rotating speed of the screw rod is generally improved by increasing the rotation of the motor in the prior art, so that the discharging speed is accelerated, but the energy consumption of the motor is additionally improved, and the discharging speed is limited by the power of the motor.

Disclosure of Invention

Aiming at the defects of the prior art, the invention solves the problems that: the rotary discharging type plastic film raw material extruding device can rotate to discharge materials, can adjust the discharging speed and the heating time of the raw materials according to the flowability of different raw materials, and can assist in controlling the discharging speed except the driving of a motor.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

a rotary discharging type plastic film raw material extrusion device comprises a supporting seat, a stirring and conveying tank body, a feeding hopper, a stirring and conveying mechanism, a rotary driving mechanism and a rotary discharging mechanism; two supporting seats are respectively arranged on two sides of the lower end of the stirring and conveying tank body; a rotary discharging mechanism is arranged at the outer end of one side of the stirring and conveying tank body; the rotary discharging mechanism comprises an extrusion head, a discharging gear ring, a power gear and a discharging power motor; the extrusion head is rotationally clamped at the outer end of one side of the stirring and conveying tank body; the discharging gear ring is arranged on the outer side of the periphery of the extrusion head; the power gear is meshed and connected with the lower side of the discharging gear ring; the discharging power motor is arranged on the supporting seat; the discharging power motor is connected with a power gear; a feeding hopper is arranged outside the upper end of the other side of the stirring and conveying tank body; the rotary driving mechanism is arranged at the outer end of the other side of the stirring and conveying tank body; the rotary driving mechanism comprises a driving motor, a driving gear, a driving chain, a driven gear and a driving rotating shaft; the driving motor is arranged at the upper end of the other side of the stirring and conveying tank body; a driving gear is arranged on the outer side of the driving motor; the driven gear is arranged at the axle center outside the outer end of the other side of the stirring and conveying tank body; the driven gear and the driving gear are linked through a driving chain; the inner end of the driven gear is provided with a driving rotating shaft; the driving rotating shaft is rotationally clamped on the end face of the other side of the stirring and conveying tank body; the outer end of the driving rotating shaft extends into the stirring and conveying tank body; the stirring and conveying mechanism is arranged in the stirring and conveying tank body; the stirring and conveying mechanism comprises an outer end shaft, a built-in moving shaft, an inner end shaft, a driving screw, a heating pipe and a helical blade; the outer end shaft is rotatably clamped and installed on one side of the interior of the stirring and conveying tank body; the inner end shaft is rotatably arranged at the other side in the stirring and conveying tank body; the outer side of the center of the inner end shaft is fixedly connected with the inner end of the driving rotating shaft; a material accumulation gap is formed between the outer end shaft and the inner end shaft; helical blades are arranged on the outer sides of the peripheries of the outer end shaft and the inner end shaft; the inner end of the outer end shaft is provided with an outer side moving cavity; the outer end of the inner end shaft is provided with an inner side moving cavity; heating pipes are arranged on the periphery inside the built-in movable shaft; the built-in moving shaft comprises a large-diameter section, a conical section and a small-diameter section; the large-diameter section, the conical section and the small-diameter section are sequentially connected end to end; the large-diameter section is slidably clamped in an outer side moving cavity at the inner end of the outer end shaft; the small-diameter section is slidably clamped in an inner side moving cavity at the outer end of the inner end shaft; a driven thread channel is arranged inside the axle center of the outer end of the small-diameter section; one end of the driving screw is in threaded rotation connection with a driven threaded channel of the axle center of the outer end of the small-diameter section, and the other end of the driving screw sequentially penetrates through the axle center of the inner side moving cavity and the axle center of the driving rotating shaft and then extends to the outer side of the driven gear; the driving screw is rotationally clamped on the driven gear.

Furthermore, the upper side and the lower side of the outer side moving cavity at the inner end of the outer end shaft are respectively provided with an outer side sliding clamping groove; the upper side and the lower side of the outer end of the large-diameter section are respectively provided with an outer side sliding latch; the large-diameter section is in sliding clamping connection with outer sliding clamping grooves on the upper side and the lower side of an outer side moving cavity of the outer end shaft through outer sliding clamping teeth on the upper side and the lower side of the outer end.

Further, the upper side and the lower side of an inner side moving cavity at the outer end of the inner end shaft are respectively provided with an inner side sliding clamping groove; the inner end of the small-diameter section is provided with a sliding clamping and connecting plate; the upper side and the lower side of the sliding clamping plate are respectively provided with an inner side sliding clamping tooth; the sliding clamping plate is in sliding clamping connection with the inner side sliding clamping groove of the inner side moving cavity at the outer end of the inner end shaft through the inner side sliding clamping teeth at the upper side and the lower side.

Furthermore, rotary clamping ring grooves are formed in the periphery of the outer end shaft; a positioning clamping and connecting rod is arranged above one side inside the stirring and conveying tank body; the outer end shaft is rotatably clamped at the end part of the positioning clamping rod through the rotary clamping ring grooves on the periphery of the outer end.

Furthermore, a positioning rotary clamping groove is formed in the axis of the driven gear; a positioning rotary clamping ring is arranged on the outer side of the periphery of the driving screw; the driving screw is rotationally clamped in a positioning and rotating clamping groove in the axis of the driven gear through a positioning and rotating clamping ring on the outer side of the periphery.

Further, the large-diameter section and the small-diameter section are both in circular cylinder structures; the outer side moving cavity and the inner side moving cavity are both in circular cavity structures; the diameter of the large-diameter section is 2 to 3 times the length of the diameter of the small-diameter section.

Further, the feeding hopper is of a conical structure with a large upper part and a small lower part.

The invention has the advantages of

1. The rotary discharging mechanism is additionally arranged, the power gear is driven to rotate by the discharging power motor, then the power gear drives the discharging gear ring to rotate, and further drives the extruding head to rotate, so that the rotary discharging structure is formed, the extruded material has certain kinetic energy, and the condition of extruding and blanking cannot occur.

2. The invention carries out in-situ clamping rotation on the driven gear by the driving screw rod, utilizes the driven thread channel inside the axle center of the outer end of the small diameter section, thereby driving the whole built-in movable shaft to move, in particular to the large-diameter section of the built-in movable shaft sliding in the outer side movable cavity at the inner end of the outer end shaft and the small-diameter section of the movable shaft sliding in the inner side movable cavity at the outer end of the inner end shaft, thereby realizing the position change of the large-diameter section, the conical section and the small-diameter section at the material accumulation gap between the outer end shaft and the inner end shaft, when the small diameter section is positioned at the material accumulation gap between the outer end shaft and the inner end shaft, the annular space at the outer side of the periphery of the material accumulation gap is the largest, the time of the material accumulation of the raw material at the outer side of the periphery of the small-diameter section is longest, so that the heating time of the raw material at the outer side of the periphery of the small-diameter section is prolonged, and the discharging speed of the raw material is slowed down; the small-diameter section, the conical section and the large-diameter section sequentially move towards the inner end shaft direction, so that the annular space on the outer side of the periphery of the material accumulation gap between the outer end shaft and the inner end shaft is smaller and smaller, the material accumulation time of the raw material at the material accumulation gap is gradually shortened, the heating time of the raw material is gradually reduced, the material feeding speed of the raw material is improved, when the large-diameter section is completely positioned at the material accumulation gap, the annular space on the periphery of the material accumulation gap is minimum, the heating time of the raw material is minimum, and the material feeding speed of the raw material is fastest.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the built-in moving shaft of the present invention.

Fig. 3 is a partially enlarged view of the outer end shaft of the present invention.

Fig. 4 is a partially enlarged view of the inner end shaft side of the present invention.

Fig. 5 is an enlarged schematic structural view of the rotary discharging mechanism of the present invention.

Detailed Description

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

As shown in fig. 1 to 5, a rotary discharging type plastic film raw material extrusion device comprises a supporting seat 1, a stirring and conveying tank 2, a feeding hopper 5, a stirring and conveying mechanism 3, a rotary driving mechanism 4 and a rotary discharging mechanism 6; two supporting seats 1 are respectively arranged on two sides of the lower end of the stirring and conveying tank body 2; a rotary discharging mechanism 6 is arranged at the outer end of one side of the stirring and conveying tank body 2; the rotary discharging mechanism 6 comprises an extrusion head 64, a discharging gear ring 63, a power gear 62 and a discharging power motor 61; the extrusion head 64 is rotationally clamped at the outer end of one side of the stirring and conveying tank body 2; the discharging gear ring 63 is arranged on the outer side of the periphery of the extrusion head 64; the power gear 62 is meshed and connected with the lower side of the discharging gear ring 63; the discharging power motor 61 is arranged on the supporting seat 1; the discharging power motor 61 is connected with a power gear 62; the extrusion head 64 is of a circular sleeve structure with openings at two ends, the clamping ring 641 is arranged on the outer side of the periphery of the inner end of the extrusion head 64, the clamping ring groove 29 is arranged on the periphery of the opening at one side of the stirring and conveying tank body 2, and thus the extrusion head 64 is rotatably clamped on the clamping ring groove 29 arranged on the periphery of the opening at one side of the stirring and conveying tank body 2 through the clamping ring 641 on the outer side of the periphery of the inner end; a feeding hopper 5 is arranged outside the upper end of the other side of the stirring and conveying tank body 2; the rotary driving mechanism 4 is arranged at the outer end of the other side of the stirring and conveying tank body 2; the rotary driving mechanism 4 comprises a driving motor 41, a driving gear 42, a driving chain 43, a driven gear 44 and a driving rotating shaft 45; the driving motor 41 is arranged at the upper end of the other side of the stirring and conveying tank body 2; a driving gear 42 is arranged outside the driving motor 41; the driven gear 44 is arranged at the axle center of the outer part of the outer end of the other side of the stirring and conveying tank body 2; the driven gear 44 and the driving gear 42 are linked through a driving chain 43; a driving rotating shaft 45 is arranged at the inner end of the driven gear 44; the driving rotating shaft 45 is rotationally clamped on the end face of the other side of the stirring and conveying tank body 2; the outer end of the driving rotating shaft 45 extends into the stirring and conveying tank body 2; the stirring and conveying mechanism 3 is arranged in the stirring and conveying tank body 2; the stirring and conveying mechanism 3 comprises an outer end shaft 31, a built-in moving shaft 33, an inner end shaft 32, a driving screw 34, a heating pipe 36 and a helical blade 35; the outer end shaft 31 is rotatably clamped and installed on one side of the interior of the stirring and conveying tank body 2; the inner end shaft 32 is rotatably arranged at the other side in the stirring and conveying tank body 2; the outer side of the center of the inner end shaft 32 is fixedly connected with the inner end of the driving rotating shaft 45; a material accumulation gap 38 is arranged between the outer end shaft 31 and the inner end shaft 32; helical blades 35 are arranged on the outer sides of the periphery of the outer end shaft 31 and the inner end shaft 32; the inner end of the outer end shaft 31 is provided with an outer side moving cavity 313; the outer end of the inner end shaft 32 is provided with an inner side moving cavity 322; heating pipes 36 are arranged around the inner part of the built-in moving shaft 33; the built-in moving shaft 33 comprises a large diameter section 331, a tapered section 332 and a small diameter section 333; the large-diameter section 331, the conical section 332 and the small-diameter section 333 are sequentially connected end to end; the large-diameter section 331 is slidably engaged in the outer moving cavity 313 at the inner end of the outer end shaft 31; the small diameter section 333 is slidably engaged in the inner moving cavity 322 at the outer end of the inner shaft 32; a driven thread channel 337 is arranged in the axle center of the outer end of the small-diameter section 333; one end of the driving screw 34 is in threaded rotation connection with the driven threaded passage 337 at the outer end of the small-diameter section 333, and the other end of the driving screw 34 sequentially passes through the axis of the inner moving cavity 332 and the axis of the driving rotating shaft 45 and then extends to the outer side of the driven gear 44; the drive screw 34 is rotatably engaged with the driven gear 44.

As shown in fig. 1 to 5, further, the upper and lower sides of the outer moving cavity at the inner end of the outer end shaft 31 are respectively provided with an outer sliding slot 311; the upper side and the lower side of the outer end of the large-diameter section 331 are respectively provided with an outer sliding latch 334; the large-diameter section 331 is slidably engaged with the outer sliding engaging grooves 311 on the upper and lower sides of the outer moving cavity 313 of the outer shaft 31 through the outer sliding engaging teeth 334 on the upper and lower sides of the outer end. Preferably, the upper side and the lower side of the inner side moving cavity 322 at the outer end of the inner end shaft 32 are respectively provided with an inner side sliding clamping groove 321; the inner end of the small-diameter section 333 is provided with a sliding clamping plate 37; the upper side and the lower side of the sliding clamping plate 37 are respectively provided with an inner side sliding clamping tooth 371; the sliding clamping plate 37 is slidably clamped on the inner sliding clamping groove 321 of the inner moving cavity 322 at the outer end of the inner end shaft 32 through the inner sliding clamping teeth 371 at the upper and lower sides. Further, a rotary clamping ring groove 312 is formed around the outer end of the outer end shaft 31; a positioning clamping and connecting rod 22 is arranged above one side inside the stirring and conveying tank body 2; the outer shaft 31 is rotatably fastened to the end of the positioning fastening rod 22 through a rotary fastening ring groove 312 around the outer end. More preferably, a positioning and rotating slot 441 is arranged inside the axis of the driven gear 44; a positioning rotary clamping ring 341 is arranged on the outer side of the periphery of the driving screw 34; the driving screw 34 is rotatably clamped in the positioning and rotating clamping groove 441 inside the axis of the driven gear 44 through the positioning and rotating clamping ring 341 on the outer side of the periphery. Further, the large-diameter section 331 and the small-diameter section 333 are both in a circular cylinder structure; the outer side moving cavity 313 and the inner side moving cavity 322 are both in a circular cavity structure; the diameter of the large-diameter section 331 is 2 to 3 times the length of the diameter of the small-diameter section 333. Further, the feeding hopper 5 is of a conical structure with a large upper part and a small lower part.

The rotary discharging mechanism 6 is additionally arranged, the power gear 62 is driven to rotate by the discharging power motor 61, then the power gear 62 drives the discharging gear ring 63 to rotate, and further drives the extruding head 64 to rotate, so that a rotary discharging structure is formed, extruded materials have certain kinetic energy, and the condition of extruding and blanking cannot occur; the invention carries out in-situ clamping rotation on the driven gear 44 through the driving screw 34, utilizes the driven thread channel 337 inside the axle center of the outer end of the small diameter section 333, thereby driving the whole of the built-in moving shaft 33 to move, specifically, the large diameter section 331 of the built-in moving shaft 33 slides in the outer moving cavity 313 at the inner end of the outer end shaft 31, and the small diameter section 333 of the built-in moving shaft 33 slides in the inner moving cavity 322 at the outer end of the inner end shaft 32, thereby realizing the position change of the large-diameter section 331, the conical section 332 and the small-diameter section 333 at the material accumulation gap 38 between the outer end shaft 31 and the inner end shaft 32, when the small-diameter section 333 is located at the material accumulation gap 38 between the outer end shaft 31 and the inner end shaft 32, the annular space around the outer side of the material accumulation gap 38 is the largest, the material accumulation time of the raw material on the outer side of the periphery of the small-diameter section is the longest, so that the heating time of the raw material is prolonged at the outer side of the periphery of the small-diameter section, and the discharging speed of the raw material is slowed down; the small-diameter section 333, the conical section 332 and the large-diameter section 331 move towards the inner end shaft 32 in sequence, so that the annular space on the outer side of the periphery of the material accumulation gap 38 between the outer end shaft 31 and the inner end shaft 32 is smaller and smaller, the material accumulation time of the raw materials at the material accumulation gap is shortened gradually, the heating time of the raw materials is reduced gradually, the material conveying speed of the raw materials is increased, when the large-diameter section 331 is located at the material accumulation gap 38 completely, the annular space on the periphery of the material accumulation gap 38 is minimum, the heating time of the raw materials is minimum, the material conveying speed of the raw materials is maximum, the heating time and the material conveying speed can be adjusted according to the flowability of the raw materials, in addition, the material conveying speed can be adjusted in an auxiliary mode, and the independent constraint of a.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A rotary discharging type plastic film raw material extrusion device is characterized by comprising a supporting seat, a stirring and conveying tank body, a feeding hopper, a stirring and conveying mechanism, a rotary driving mechanism and a rotary discharging mechanism; two supporting seats are respectively arranged on two sides of the lower end of the stirring and conveying tank body; a rotary discharging mechanism is arranged at the outer end of one side of the stirring and conveying tank body; the rotary discharging mechanism comprises an extrusion head, a discharging gear ring, a power gear and a discharging power motor; the extrusion head is rotationally clamped at the outer end of one side of the stirring and conveying tank body; the discharging gear ring is arranged on the outer side of the periphery of the extrusion head; the power gear is meshed and connected with the lower side of the discharging gear ring; the discharging power motor is arranged on the supporting seat; the discharging power motor is connected with a power gear; a feeding hopper is arranged outside the upper end of the other side of the stirring and conveying tank body; the rotary driving mechanism is arranged at the outer end of the other side of the stirring and conveying tank body; the rotary driving mechanism comprises a driving motor, a driving gear, a driving chain, a driven gear and a driving rotating shaft; the driving motor is arranged at the upper end of the other side of the stirring and conveying tank body; a driving gear is arranged on the outer side of the driving motor; the driven gear is arranged at the axle center outside the outer end of the other side of the stirring and conveying tank body; the driven gear and the driving gear are linked through a driving chain; the inner end of the driven gear is provided with a driving rotating shaft; the driving rotating shaft is rotationally clamped on the end face of the other side of the stirring and conveying tank body; the outer end of the driving rotating shaft extends into the stirring and conveying tank body; the stirring and conveying mechanism is arranged in the stirring and conveying tank body; the stirring and conveying mechanism comprises an outer end shaft, a built-in moving shaft, an inner end shaft, a driving screw, a heating pipe and a helical blade; the outer end shaft is rotatably clamped and installed on one side of the interior of the stirring and conveying tank body; the inner end shaft is rotatably arranged at the other side in the stirring and conveying tank body; the outer side of the center of the inner end shaft is fixedly connected with the inner end of the driving rotating shaft; a material accumulation gap is formed between the outer end shaft and the inner end shaft; helical blades are arranged on the outer sides of the peripheries of the outer end shaft and the inner end shaft; the inner end of the outer end shaft is provided with an outer side moving cavity; the outer end of the inner end shaft is provided with an inner side moving cavity; heating pipes are arranged on the periphery inside the built-in movable shaft; the built-in moving shaft comprises a large-diameter section, a conical section and a small-diameter section; the large-diameter section, the conical section and the small-diameter section are sequentially connected end to end; the large-diameter section is slidably clamped in an outer side moving cavity at the inner end of the outer end shaft; the small-diameter section is slidably clamped in an inner side moving cavity at the outer end of the inner end shaft; a driven thread channel is arranged inside the axle center of the outer end of the small-diameter section; one end of the driving screw is in threaded rotation connection with a driven threaded channel of the axle center of the outer end of the small-diameter section, and the other end of the driving screw sequentially penetrates through the axle center of the inner side moving cavity and the axle center of the driving rotating shaft and then extends to the outer side of the driven gear; the driving screw is rotationally clamped on the driven gear.

2. The rotary discharging type plastic film raw material extruding device as recited in claim 1, wherein outer sliding clamping grooves are respectively formed in the upper side and the lower side of the outer moving cavity at the inner end of the outer end shaft; the upper side and the lower side of the outer end of the large-diameter section are respectively provided with an outer side sliding latch; the large-diameter section is in sliding clamping connection with outer sliding clamping grooves on the upper side and the lower side of an outer side moving cavity of the outer end shaft through outer sliding clamping teeth on the upper side and the lower side of the outer end.

3. The rotary discharging type plastic film raw material extruding device as recited in claim 1, wherein inner side sliding clamping grooves are respectively formed in the upper side and the lower side of an inner side moving cavity at the outer end of the inner end shaft; the inner end of the small-diameter section is provided with a sliding clamping and connecting plate; the upper side and the lower side of the sliding clamping plate are respectively provided with an inner side sliding clamping tooth; the sliding clamping plate is in sliding clamping connection with the inner side sliding clamping groove of the inner side moving cavity at the outer end of the inner end shaft through the inner side sliding clamping teeth at the upper side and the lower side.

4. The rotary discharging type plastic film raw material extrusion device as recited in claim 1, wherein a rotary clamping ring groove is formed around the outer end of the outer end shaft; a positioning clamping and connecting rod is arranged above one side inside the stirring and conveying tank body; the outer end shaft is rotatably clamped at the end part of the positioning clamping rod through the rotary clamping ring grooves on the periphery of the outer end.

5. The rotary discharging type plastic film raw material extruding device as recited in claim 1, wherein a positioning rotary clamping groove is arranged inside the axis of the driven gear; a positioning rotary clamping ring is arranged on the outer side of the periphery of the driving screw; the driving screw is rotationally clamped in a positioning and rotating clamping groove in the axis of the driven gear through a positioning and rotating clamping ring on the outer side of the periphery.

6. The rotary discharge type plastic film raw material extrusion device as recited in claim 1, wherein the large-diameter section and the small-diameter section are both in a circular cylindrical structure; the outer side moving cavity and the inner side moving cavity are both in circular cavity structures; the diameter of the large-diameter section is 2 to 3 times the length of the diameter of the small-diameter section.

7. A rotary discharge type plastic film raw material extruding device as claimed in claim 1, wherein said feeding hopper is a tapered structure with a large upper part and a small lower part.