CN113771330B

CN113771330B - plastic extruder

Info

Publication number: CN113771330B
Application number: CN202111073935.9A
Authority: CN
Inventors: 冉庆海; 张永胜; 李剑
Original assignee: Wenzhou Jiutian Electronic And Electrical Co ltd
Current assignee: Wenzhou Jiutian Electronic And Electrical Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2023-08-29
Anticipated expiration: 2041-09-14
Also published as: CN113771330A

Abstract

The application relates to a plastic extruder, which relates to the field of power line processing and comprises a machine body, wherein a material port is formed in the upper part of the machine body, a feeding box is arranged on the material port, a drying box is fixedly connected in the feeding box, a receiving hopper is fixedly connected to one side of the bottom of the drying box, a feeding port is formed in the bottom of the drying box, a circulating device for material circulation is arranged in the drying box, a drying port and a discharging port are respectively formed in the peripheral wall of the top end of the drying box, a control device is arranged in the drying port of the drying box, an adjusting device is arranged in the discharging port of the drying box, the drying port is positioned above the receiving hopper, the discharging port is positioned above the material port, and a blowing device for drying materials is arranged in the drying port of the drying box. The application has the effect of ensuring the sufficient drying of the materials, improves the melt extrusion effect of the materials, and greatly improves the production efficiency of the coil insulation sheath.

Description

Plastic extruder

Technical Field

The application relates to the field of power cord processing, in particular to a plastic extruder.

Background

The current power cord is the cord that carries the current. The usual way of current transmission is point-to-point transmission. The power cord may be classified into an AC power cord and a DC power cord according to the use, and generally the AC power cord is a wire through which an alternating current having a relatively high voltage is passed, and an insulating sheath of the power cord is manufactured by using an extruder.

The traditional Chinese patent with the publication number of CN109605709A proposes a plastic extruder, which comprises an extrusion barrel, the level is provided with the baffle in the extrusion barrel and is used for with extrusion barrel inner space separates into upper extrusion inner chamber and lower extrusion inner chamber, be provided with extrusion screw rod and lower extrusion screw rod in upper extrusion inner chamber and the lower extrusion inner chamber respectively, the spiral that sets up on upper extrusion screw rod and the lower extrusion screw rod revolves in opposite directions, the extrusion barrel outside corresponds upper extrusion screw rod and lower extrusion screw rod respectively fixed mounting have upper driving motor and lower driving motor, the extrusion barrel upper end with upper extrusion inner chamber runs through and is provided with the feed inlet, lower driving motor's one end level is provided with the discharge gate down, the baffle is kept away from the one end of feed inlet is provided with the opening of intercommunication upper extrusion inner chamber and lower extrusion inner chamber.

In view of the above-described related art, the inventors consider that if the raw material is melted in the extruder barrel and then extruded, the raw material does not dry, the melting rate of the raw material is affected, and the extrusion quality of the raw material is further affected, and the degree of drying of the raw material has a defect that the melting rate is affected.

Disclosure of Invention

In order to solve the problem of low melting efficiency of raw materials, the application provides a plastic extruder.

The technical scheme adopted by the plastic extruder provided by the application is as follows:

the utility model provides a plastics extruder, includes the organism, organism upper portion is provided with the material mouth, the organism in the feeding case is installed to the material mouth, fixedly connected with stoving case in the feeding case, one side fixedly connected with of stoving bottom of the case portion connects the hopper, the stoving case is close to connect the hopper bottom to have seted up the feed inlet, be provided with the circulating device who is used for material circulation in the stoving case, stoving case top perisporium is provided with stoving mouth and discharge gate respectively, the stoving case in the stoving mouth is provided with controlling means, the stoving case in the discharge gate is provided with adjusting device, the stoving mouth is located connect the hopper top, the discharge gate is located the material mouth top, the stoving case in the stoving mouth is provided with the blast apparatus who is used for drying the material.

Through adopting above-mentioned technical scheme, the material enters into the stoving incasement from receiving the hopper, under adjusting device's effect, realizes the sealed effect to the discharge gate, under circulating device's effect, the material is carried to stoving case top from the stoving incasement, and drops to receiving in the hopper from the stoving mouth, under blast apparatus's the warm braw effect, the material is dried from the reciprocal circulation of stoving mouth, further promotes drying efficiency, guarantees that the material is fully dried before entering into the organism, further promotes insulating crust production efficiency.

Optionally, both sides wall setting of stoving mouth all is provided with the cavity, the stoving case in cavity opening part is removable to be provided with the filter screen.

Through adopting above-mentioned technical scheme, the filter screen is used for avoiding the material to enter into in the cavity, influences blast apparatus's normal use.

Optionally, the blast apparatus includes two heating wires, two blowpipes and two air-blowers, the heating wires with cavity inner wall fixed connection, the blowpipe with the air-blower intercommunication, the blowpipe other end with stoving case fixed connection just with the cavity intercommunication.

Through adopting above-mentioned technical scheme, when the material passes through from the stoving mouth, the air-blower is bloied in to the cavity through the tuber pipe, under the heating effect of heating wire, is the hot-air to the material blowing, and the hot-air is used for accelerating the drying effect of material.

Optionally, the controlling means include with the stoving case rotates the control panel and the drive the intermittent type subassembly of control panel intermittent type motion, the equidistant four parts that divide into of control panel just are provided with three different control mouths of size, control panel central point put with the stoving case rotates and is connected with the axis of rotation.

Through adopting above-mentioned technical scheme, under the effect of intermittent type subassembly, intermittent type motion takes place for the control panel, and three control mouth move to the position with the stoving mouth intercommunication just, can control the speed that the material flows out from the stoving mouth, and then realize the drying efficiency to the material.

Optionally, intermittent type subassembly includes rolling disc and driving disc, the driving disc with the control panel is coaxial fixed, the driving disc is provided with four transmission grooves, the rolling disc with the stoving case rotates to be connected, rolling disc fixedly connected with lug, the lug slide-in to in the transmission groove, stoving case fixedly connected with first motor, first motor output with the rolling disc is coaxial fixed, the rolling disc with be provided with spacing subassembly between the driving disc.

Through adopting above-mentioned technical scheme, first motor drives the rolling disc and rotates, and the rolling disc drives the lug and rotates to the transmission inslot, lug and transmission inslot wall butt, and the transmission dish is promoted by the lug and takes place to rotate, under limit assembly's effect, ensures that the lug rotates to next transmission inslot, realizes the intermittent motion between rolling disc and the transmission dish, and then realizes the intermittent motion of control panel.

Optionally, the spacing subassembly is including rotating slider and drive slider, rotate the slider with rotating disk fixed connection, the drive slider is located adjacent two between the transmission groove, rotate the slider with drive slider cross-section circular arc radius is the same, just the drive slider is the indent setting, drive slider lateral wall with rotate slider lateral wall laminating slip.

Through adopting above-mentioned technical scheme, when the lug slides out from the transmission inslot, rotates slider and transmission slider lateral wall laminating this moment, rotates the slider and restricts the transmission slider because inertial motion, ensures that the lug rotates to next transmission inslot.

Optionally, the distance between the bump and the bottom of the transmission groove is smaller than the distance between the bump and the center of the transmission disc.

By adopting the technical scheme, in the process of pushing the transmission disc to move by the lug, the lug moves outwards towards the transmission groove after moving on the inner wall of the transmission groove, so that the lug is ensured to slide out of the transmission groove.

Optionally, adjusting device includes two tracks, regulating plate and cylinder, two the tracks are located respectively the both sides of discharge gate, regulating plate sliding connection in the track, the regulating plate is provided with the regulation mouth, the cylinder with stoving case fixed connection, the cylinder output with regulating plate fixed connection.

Through adopting above-mentioned technical scheme, cylinder drive regulating plate motion, when regulating gate motion to the discharge gate position on the regulating plate, regulating gate and discharge gate intercommunication realize the sealed effect to the discharge gate when the regulating gate moves to keeping away from the discharge gate position.

Optionally, the circulating device includes hob and circulation motor, the hob rotate connect in the stoving incasement, circulation motor with stoving case top fixed connection, circulation motor output with hob tip fixed connection.

Through adopting above-mentioned technical scheme, circulation motor drives the hob and rotates, and the hob rotates in-process and drives the material and move to the top from the bottom, when the material motion to stoving mouth, dries the material this moment, and along with the hob rotates in-process, the material is dried repeatedly in the stoving incasement, guarantees drying efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the material enters the drying box from the receiving hopper, the sealing effect of the discharge hole is realized under the action of the adjusting device, the material is conveyed to the top end of the drying box from the drying box under the action of the circulating device and falls into the receiving hopper from the drying hole, and the material is dried in a reciprocating circulation way from the drying hole under the action of the blowing and heating air of the blowing device;

2. the first motor drives the rotating disc to rotate, the protruding block rotates to the transmission groove, the protruding block pushes the transmission disc to rotate, and under the limiting effect of the rotating sliding block and the transmission sliding block, the transmission disc drives the control board to rotate, when the rotating disc rotates by one quarter circle, the control board rotates by one quarter circle, under the effect of the three control ports, the material flow passing through the drying ports is controlled, and the material passing through the drying ports is dried under the effect of warm air blowing.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of an embodiment of the present application;

FIG. 3 is a schematic view of a feed bin, a drying bin and a control device in an embodiment of the application;

FIG. 4 is a schematic diagram of an electric heating wire, a filter screen, a blower, and a blower pipe according to an embodiment of the present application;

fig. 5 is a left side view of an embodiment of the present application.

Reference numerals: 1. a body; 2. a material port; 3. a feed box; 4. a drying box; 5. a receiving hopper; 6. a feed inlet; 7. a drying port; 8. a discharge port; 9. a cavity; 10. a filter screen; 11. heating wires; 12. a blowing pipe; 13. a blower; 14. a control board; 15. a control port; 16. a rotating disc; 17. a drive plate; 18. a transmission groove; 19. a bump; 20. a first motor; 21. rotating the sliding block; 22. a transmission slide block; 23. a track; 24. an adjusting plate; 25. a cylinder; 26. an adjustment port; 27. a screw rod; 28. and (5) circulating the motor.

Detailed Description

The application is described in further detail below with reference to fig. 1-5.

The embodiment of the application discloses a plastic extruder. Referring to fig. 1 and 2, the plastic extruder comprises a machine body 1, wherein a material port 2 is arranged at the upper part of the machine body 1, a feeding box 3 is fixedly arranged at the material port 2 of the machine body 1, the upper end of the feeding box 3 is provided with an opening and is used for feeding raw materials into the machine body 1, a drying box 4 is fixedly connected in the feeding box 3 for realizing the pre-drying effect of the raw materials, a receiving hopper 5 is fixedly connected at one side of the bottom wall of the drying box 4, and a feeding port 6 is formed in the bottom of the drying box 4 close to the receiving hopper 5; the material is poured into the receiving hopper 5, the material passes through the feeding hole 6 from the receiving hopper 5 and then enters the drying box 4, and the material hole 2 is positioned on the other side of the drying box 4 far away from the receiving hopper 5.

The top peripheral wall of the drying box 4 is respectively provided with a drying opening 7 and a discharge opening 8, the discharge opening 8 is positioned above the material opening 2, the drying opening 7 is positioned above the receiving hopper 5, and the receiving hopper 5 is arranged in a funnel shape, so that materials falling from the drying opening 7 are convenient to enter the receiving hopper 5; a circulating device for circulating materials is arranged in the drying box 4, the circulating device comprises a circulating motor 28 and a screw rod 27, the circulating motor 28 is fixedly connected with the top end of the drying box 4, two ends of the screw rod 27 are respectively and rotatably connected with two ends of the drying box 4, and one end of the screw rod 27 penetrating out of the drying box 4 is fixedly connected with the output end of the circulating motor 28;

when the material enters the drying box 4 from the feed inlet 6, the circulating motor 28 drives the screw rod 27 to rotate, the screw rod 27 conveys the material from the top end, if the material needs to be dried, the discharge port 8 is controlled to be closed, the drying port 7 is controlled to be opened, the material falls into the receiving hopper 5 from the drying port 7, the material is further dried in a circulating way, phenolphthalein test paper can be inserted into the material, and if the phenolphthalein test paper changes color, the material needs to be further dried; if the material is dried, the discharge port 8 is opened, the drying port 7 is closed, and the material falls into the machine body 1 from the discharge port 8 to be melted and extruded.

Referring to fig. 3 and 4, a drying box 4 is provided with a blowing device for drying materials at a position of a drying opening 7, two side walls of the drying opening 7 are provided with a cavity 9, the cavity 9 is communicated with the drying opening 7, the drying box 4 is fixedly provided with a filter screen 10 at an opening of the cavity 9, the filter screen 10 is fixedly connected with the drying box 4 through a plurality of screws, the blowing device comprises two electric heating wires 11, two blowing pipes 12 and two blowers 13, the electric heating wires 11 are fixedly arranged on the inner wall of the cavity 9, the blowing pipes 12 are fixedly connected with the drying box 4, the blowing pipes 12 are communicated with the cavity 9, and the blowing pipes 12 are positioned behind the electric heating wires 11, namely, the connection position of the blowing pipes 12 and the drying box 4 is closer to the inner wall of the cavity 9 relative to the electric heating wires 11; when the material passes through the drying opening 7, the air blower 13 blows air into the cavity 9 through the air pipe, and under the heating action of the electric heating wire 11, the material is blown to be warm air, and the warm air is used for accelerating the drying effect of the material.

The drying box 4 is provided with a control device at the position of the drying opening 7, the control device comprises a control board 14 which is rotationally connected with the drying box 4 and an intermittent assembly which drives the control board 14 to intermittently move, the control board 14 is equally arranged and divided into four parts, three control openings 15 with different sizes are respectively arranged, one part of the control openings is not provided with openings, and when the part without the openings rotates to the drying opening 7, the drying opening 7 is in a closed state,

Referring to fig. 3 and 4, a rotating shaft is rotatably connected to the drying box 4 at the center of the control board 14, the control board 14 is attached to the wall surface of the drying box 4, the intermittent assembly comprises a rotating disc 16 and a driving disc 17, the rotating disc 16 is coaxially fixed with the control board 14, the driving disc 17 is provided with four driving grooves 18, one end of the driving groove 18, which faces the rotating disc 16, is provided with an opening, the rotating disc 16 is rotatably connected with the drying box 4, a bump 19 is fixedly connected to the end surface of the rotating disc 16, the drying box 4 is fixedly connected with a first motor 20, and the output end of the first motor 20 is fixedly connected with the rotating disc 16;

when the protruding block 19 moves to the opening of the transmission groove 18, the protruding block 19 drives the size of the center of the transmission disc 17 to be equal to the distance from the opening of the transmission groove 18 to the center of the transmission disc 17, so that the protruding block 19 is ensured to slide into the transmission groove 18, when the protruding block 19 rotates along with the rotation disc 16, the protruding block 19 is abutted with the inner wall of the transmission groove 18, and the protruding block 19 drives the transmission disc 17 to rotate; the limiting component is arranged between the rotating disc 16 and the driving disc 17 and comprises a rotating slide block 21 and a driving slide block 22, the rotating slide block 21 is fixedly connected with the end face of the rotating disc 16, the radius of the circular arc of the section of the rotating slide block 21 is equal to that of the circular arc of the section of the driving slide block 22, the center of the lug 19 is positioned on the circumference of the circular arc of the section of the rotating slide block 21, the driving slide block 22 is arranged in a concave manner, the rotating slide block 21 is arranged in a convex manner, and the side wall of the rotating slide block 21 is attached to the side wall of the driving slide block 22 for sliding.

The first motor 20 drives the rotating disc 16 to rotate, the lug 19 continuously drives the rotating disc 16 to rotate after rotating into the transmission groove 18, the lug 19 moves towards the inner wall of the transmission groove 18 along the transmission groove 18, the distance between the lug 19 and the bottom of the transmission groove 18 is smaller than the distance between the lug 19 and the center of the transmission disc 17, the lug 19 is ensured to slide out of the transmission groove 18, when the lug 19 slides out of the transmission groove 18, the rotating slide block 21 is attached to the side wall of the transmission slide block 22, the rotating slide block 21 limits the motion of the transmission slide block 22 due to inertia, the lug 19 is ensured to rotate into the next transmission groove 18, at the moment, when the rotating disc 16 rotates one circle, the transmission disc 17 rotates one quarter circle, at the moment, the control panel 14 rotates one quarter circle along with the transmission disc 17, the control effect of the rotation circle of the control panel 14 is realized, at the moment, when the control opening 15 with different sizes moves to be communicated with the drying opening 7, the speed of the material falls down from the drying opening 7 is changed, the control effect of the material drying efficiency is realized, and if the control panel 14 rotates to the opening position to the position 7, the sealing effect of the drying opening 7 is realized.

Referring to fig. 3 and 5, the drying box 4 is provided with an adjusting device at the discharge hole 8, the adjusting device comprises two rails 23, an adjusting plate 24 and an air cylinder 25, the two rails 23 are respectively located at two sides of the discharge hole 8, the adjusting plate 24 is slidably connected in the rails 23, the section of the rails 23 is in an L shape, the air cylinder 25 is fixedly connected with the drying box 4, the output end of the air cylinder 25 is fixedly connected with the adjusting plate 24, one end of the rail 23, which faces the air cylinder 25, is in an opening arrangement, the other end of the rail is in a closing arrangement, the adjusting plate 24 is provided with an adjusting hole 26, the air cylinder 25 drives the adjusting plate 24 to move, and when the adjusting hole 26 on the adjusting plate 24 moves to the discharge hole 8 to be communicated, materials flow out from the discharge hole 8 and drop into the machine body 1 from the material hole 2.

The implementation principle of the plastic extruder provided by the embodiment of the application is as follows: pouring the materials into the receiving hopper 5, enabling the materials to enter the drying box 4 from the feeding hole 6, enabling the circulating motor 28 to drive the screw rod 27 to rotate, and conveying the materials to the top end of the drying box 4; the air cylinder 25 drives the adjusting plate 24 to move in the track 23, and the adjusting port 26 on the adjusting plate 24 moves to a position far away from the discharge port 8, so that the sealing effect on the discharge port 8 is realized;

the blower 13 starts to work and the blowing pipe 12 blows warm air into the hollow cavity 9, the first motor 20 drives the rotating disc 16 to rotate, the protruding block 19 rotates into the transmission groove 18, the protruding block 19 pushes the transmission disc 17 to rotate, and under the limiting effect of the rotating sliding block 21 and the transmission sliding block 22, the transmission disc 17 drives the control board 14 to rotate, when the rotating disc 16 rotates for a quarter circle, the control board 14 rotates for a quarter circle, under the effect of the three control ports 15, the control of the material flow passing through the drying port 7 is realized, the material passing through the drying port 7 is dried under the effect of the blowing warm air, and the material falls into the receiving hopper 5 from the drying port 7 to be circularly and repeatedly dried, so that the drying quality is ensured;

after the material is fully dried, the control panel 14 rotates to the unopened position to coincide with the drying opening 7, the closing effect on the drying opening 7 is completed, the work of the electric heating wire 11 and the blower 13 is stopped, the control cylinder 25 drives the adjusting plate 24 to move, the adjusting opening 26 moves to the position of the discharging opening 8, the material falls into the material opening 2 from the discharging opening 8, and the material enters into the machine body 1 to be melted and extruded.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a plastics extruder, includes organism (1), organism (1) upper portion is provided with material mouth (2), organism (1) in material mouth (2) install feeding case (3), its characterized in that: the feeding box is characterized in that a drying box (4) is fixedly connected in the feeding box (3), a receiving hopper (5) is fixedly connected to one side of the bottom of the drying box (4), a feeding hole (6) is formed in the bottom of the receiving hopper (5) in a way of being close to the drying box (4), a circulating device for material circulation is arranged in the drying box (4), a drying hole (7) and a discharging hole (8) are respectively formed in the peripheral wall of the top end of the drying box (4), a control device is arranged in the drying hole (7) of the drying box (4), an adjusting device is arranged in the discharging hole (8) of the drying box (4), the drying hole (7) is located above the receiving hopper (5), the discharging hole (8) is located above the material hole (2), and a blowing device for drying materials is arranged in the drying hole (7). Cavities (9) are formed in two side walls of the drying opening (7), and a filter screen (10) is detachably arranged at the opening of the cavities (9) in the drying box (4); the control device comprises a control board (14) which is rotationally connected with the drying box (4) and an intermittent assembly which drives the control board (14) to intermittently move, wherein the control board (14) is equally divided into four parts and is provided with three control ports (15) with different sizes, and the center position of the control board (14) is rotationally connected with the drying box (4) with a rotating shaft; the adjusting device comprises two rails (23), an adjusting plate (24) and an air cylinder (25), wherein the two rails (23) are respectively positioned at two sides of the discharge hole (8), the adjusting plate (24) is slidably connected in the rails (23), the adjusting plate (24) is provided with an adjusting hole (26), the air cylinder (25) is fixedly connected with the drying box (4), and the output end of the air cylinder (25) is fixedly connected with the adjusting plate (24); the blowing device comprises two electric heating wires (11), two blowing pipes (12) and two blowers (13), wherein the electric heating wires (11) are fixedly connected with the inner wall of the cavity (9), the blowing pipes (12) are communicated with the blowers (13), and the other ends of the blowing pipes (12) are fixedly connected with the drying box (4) and are communicated with the cavity (9); the intermittent assembly comprises a rotating disc (16) and a transmission disc (17), wherein the transmission disc (17) is coaxially fixed with the control board (14), the transmission disc (17) is provided with four transmission grooves (18), the rotating disc (16) is rotationally connected with the drying box (4), the rotating disc (16) is fixedly connected with a lug (19), the lug (19) slides into the transmission groove (18), the drying box (4) is fixedly connected with a first motor (20), the output end of the first motor (20) is coaxially fixed with the rotating disc (16), and a limiting assembly is arranged between the rotating disc (16) and the transmission disc (17); the circulating device comprises a screw rod (27) and a circulating motor (28), wherein the screw rod (27) is rotationally connected in the drying box (4), the circulating motor (28) is fixedly connected with the top end of the drying box (4), and the output end of the circulating motor (28) is fixedly connected with the end part of the screw rod (27).

2. The plastic extruder of claim 1, wherein: the limiting assembly comprises a rotating slide block (21) and a transmission slide block (22), wherein the rotating slide block (21) is fixedly connected with the rotating disc (16), the transmission slide block (22) is positioned between two adjacent transmission grooves (18), the arc radiuses of the sections of the rotating slide block (21) and the transmission slide block (22) are the same, the transmission slide block (22) is arranged in a concave mode, and the side walls of the transmission slide block (22) are attached to the side walls of the rotating slide block (21) to slide.

3. A plastic extruder according to claim 2, characterized in that: the distance between the lug (19) and the bottom of the transmission groove (18) is smaller than the distance between the lug (19) and the center of the transmission disc (17).