CN216635325U

CN216635325U - A plastic extrusion device

Info

Publication number: CN216635325U
Application number: CN202123435603.9U
Authority: CN
Inventors: 任军伟; 李勇利; 单双喜
Original assignee: Dongguan Youhe Plastic Products Co ltd
Current assignee: Dongguan Youhe Plastic Products Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-31
Anticipated expiration: 2031-12-30

Abstract

The application discloses a plastic extrusion device, which relates to the technical field of color masterbatch production, and improves the problems of uneven heating and easy cooling and solidification of plastics in the current plastic extrusion device. It includes a conveying pipe, and one end of the conveying pipe is fixedly connected with an extrusion head. In the present application, through the setting of the stepper motor, the first electric heating pipe and the conveying screw, the conveying pipe can be connected to the conveying pipe through the conveying pipe when the first electric heating pipe starts to work. The molten plastic flowing inside is heated, and when the stepper motor starts to work, the conveying pipe can be rotated through the gear and the gear ring, so that the molten plastic inside the conveying pipe can be conveyed with the conveying screw, and finally extruded from the extrusion head, At the same time, the continuously rotating conveying pipe can make the surface of the conveying pipe evenly heated, so that the molten plastic inside the conveying pipe is heated evenly, thereby effectively reducing the probability of cooling and solidification of the molten plastic inside the conveying pipe.

Description

Plastic extrusion device

Technical Field

The application relates to the technical field of color masterbatch production, in particular to a plastic extrusion device.

Background

The black master batch is a master batch raw material produced by the procedures of injection molding of carbon black, a carrier, an auxiliary agent and the like, the heat resistance of pigments of the black master batch PVC and PE is 160-DEG C ABS resistant to heat and 180℃, the heat resistance of pigments of PS is 250-DEG C and 280℃, the heat resistance of the pigments of PP, PA and PET is above 280 ℃ generally required to be 4-10 minutes, and generally, the higher the use temperature is, the shorter the heat resistance time is. It has high black, high brightness, easy dispersion and high mirror effect. The environment-friendly, nontoxic, tasteless and smokeless product has smooth and bright surface, stable solid color and good toughness, and can not generate color points, color lines and other phenomena, thereby reducing the cost, saving additives and reducing the pollution of plant sites.

The existing plastic extrusion device generally adopts screw rotation to extrude plastic, corresponding electric heating tubes are generally arranged to heat and heat the conveying pipeline in order to reduce cooling and solidification of the plastic in the extrusion process, but the heating is uneven, so that the condition that the plastic is cooled and solidified in the conveying pipeline is easily caused.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that present plastic extrusion device has the heating inhomogeneous, and plastics are easily cooled and solidify, the application provides a plastic extrusion device.

The application provides a plastics extrusion device adopts following technical scheme:

the utility model provides a plastics extrusion device, includes the conveyer pipe, the head is extruded to the one end fixedly connected with of conveyer pipe, the other end of conveyer pipe is rotated and is connected with the rotation cover that is linked together, the outside symmetry of conveyer pipe is rotated and is connected with the swivel becket, and is two sets of a plurality of first electrothermal tubes of even fixedly connected with between the swivel becket, it is a plurality of first electrothermal tube evenly set up with the outside of conveyer pipe, the inside cover of conveyer pipe is equipped with the conveying screw rod of looks adaptation, conveying screw rod's one end with rotate cover fixed connection, the blanking fill that the top fixedly connected with of rotation cover is linked together, the outside fixedly connected with ring gear of conveyer pipe, the bottom meshing of ring gear is connected with the gear, one side fixedly connected with step motor of gear.

Optionally, the outer side of the stepping motor is fixedly connected with a supporting plate, and the supporting plate is fixedly connected with the rotating cover.

Optionally, a heat-insulating sleeve is fixedly connected between the two groups of rotating rings, the heat-insulating sleeve is sleeved outside the conveying pipe, and the first electric heating pipes are located inside the heat-insulating sleeve.

Optionally, the outer side of the heat insulation sleeve is symmetrically and fixedly connected with a vertical plate, the bottom of the vertical plate is fixedly connected with a base, and the supporting plate is fixedly connected with the base.

Optionally, the inner wall of the heat-insulating sleeve is fixedly connected with a mirror aluminum foil.

Optionally, fins are fixedly connected to the outer side of the first electrothermal tube at equal intervals.

Optionally, a holding tank is disposed inside the conveying screw, a second electric heating tube adapted to the holding tank is sleeved inside the holding tank, and the second electric heating tube is fixedly connected to the rotating cover.

Optionally, the top of the blanking hopper is rotatably connected with a top cover matched with the blanking hopper.

To sum up, the beneficial effects of this application are as follows:

this application is through step motor, first electrothermal tube and conveyor screw's setting, make can heat the inside flowing melting plastics of conveyer pipe through the conveyer pipe when first electrothermal tube starts work, and can drive the conveyer pipe through gear and ring gear and rotate when step motor starts work, thereby cooperation conveyor screw can carry the inside melting plastics of conveyer pipe, extrude from extruding the head at last, the conveyer pipe of constantly rotatory simultaneously can be so that the conveyer pipe surface is heated evenly, thereby make the inside melting plastics of conveyer pipe be heated evenly, thereby effectively reduce the inside melting plastics cooling solidification's of conveyer pipe probability.

Drawings

FIG. 1 is a cross-sectional view of the overall construction of the present application;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

fig. 3 is a side cross-sectional view of a first electric heat pipe structure of the present application.

Description of reference numerals: 1. a delivery pipe; 2. a rotating cover; 3. a conveying screw; 4. a rotating ring; 5. a first electric heating tube; 6. a fin; 7. a heat-insulating sleeve; 8. accommodating grooves; 9. a second electric heating tube; 10. a blanking hopper; 11. a toothed ring; 12. a support plate; 13. a vertical plate; 14. a top cover; 15. an extrusion head; 16. mirror aluminum foil; 17. a stepping motor; 18. a gear; 19. a base.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, a plastic extrusion device includes a delivery pipe 1, and the delivery pipe 1 is configured to guide a flow of molten plastic. An extrusion head 15 is fixedly connected to one end of the delivery pipe 1, and the extrusion head 15 is provided with an outlet for extruding the molten plastic. The other end of conveyer pipe 1 rotates and is connected with the rotation cover 2 that is linked together, rotates the blanking fill 10 that the top fixedly connected with of cover 2 is linked together, rotates the setting of cover 2 and is used for providing the support to blanking fill 10, is connected blanking fill 10 and conveyer pipe 1 simultaneously, and the setting of blanking fill 10 is used for splendid attire fused plastics. The top of the blanking hopper 10 is rotatably connected with a top cover 14 which is matched with the top of the blanking hopper 10, and the top cover 14 is arranged for covering the top of the blanking hopper 10 so as to reduce heat dissipation of molten plastics.

Referring to fig. 1-3, the outside of the conveying pipe 1 is symmetrically and rotatably connected with rotating rings 4, a plurality of first electric heating tubes 5 are uniformly and fixedly connected between two groups of rotating rings 4, the plurality of first electric heating tubes 5 are uniformly arranged on the outside of the conveying pipe 1, the rotating rings 4 are used for supporting and fixing the first electric heating tubes 5, the first electric heating tubes 5 are arranged for heating the conveying pipe 1 during the power-on operation, so as to heat and preserve the molten plastic flowing inside the conveying pipe 1, fins 6 are uniformly and fixedly connected on the outside of the first electric heating tubes 5 at equal intervals, and the fins 6 are arranged for increasing the surface area of the first electric heating tubes 5, so that the heating effect on the conveying pipe 1 is improved.

Referring to fig. 1-3, a heat-insulating sleeve 7 is fixedly connected between two sets of rotating rings 4, the heat-insulating sleeve 7 is sleeved outside the conveying pipe 1, the plurality of first electric heating tubes 5 are all located inside the heat-insulating sleeve 7, and the heat-insulating sleeve 7 is arranged to cooperate with the rotating rings 4 to reduce the probability of heat dissipation generated by the first electric heating tubes 5 during operation, thereby improving the utilization effect of the heat generated by the first electric heating tubes 5 during operation. The inner wall of the heat preservation sleeve 7 is fixedly connected with a mirror aluminum foil 16, and the mirror aluminum foil 16 is arranged for reflecting heat radiation generated by the first electric heating tube 5 during operation, so that the utilization rate of heat generated by the first electric heating tube 5 is improved.

Referring to fig. 1-2, a support plate 12 is fixedly connected to an outer side of the stepping motor 17, the support plate 12 is fixedly connected to the rotating cover 2, and the support plate 12 is configured to support the rotating cover 2. The outside symmetry fixedly connected with riser 13 of heat preservation sleeve 7, the bottom fixedly connected with base 19 of riser 13, backup pad 12 and base 19 fixed connection, the setting of riser 13 is used for providing the support to heat preservation sleeve 7, and the setting of base 19 then provides the support to riser 13 and backup pad 12. Conveyer pipe 1's outside fixedly connected with ring gear 11, ring gear 11's bottom meshing is connected with gear 18, one side fixedly connected with step motor 17 of gear 18, step motor 17's setting is used for driving conveyer pipe 1 through gear 18 and ring gear 11's transmission when starting work and rotates to it is even to make conveyer pipe 1 be heated, so as to reduce the inside melting plastics of conveyer pipe 1 and lead to the probability that the cooling solidifies owing to be heated the inequality.

Referring to fig. 1, a conveying screw 3 is sleeved inside a conveying pipe 1, one end of the conveying screw 3 is fixedly connected with a rotating cover 2, and the conveying screw 3 is used for being matched with the conveying pipe 1 to convey molten plastics inside the conveying pipe 1 when the conveying pipe 1 rotates, and finally, the molten plastics are extruded from an extrusion head 15. Holding tank 8 has been seted up to conveyor screw 3's inside, and holding tank 8's inside cover is equipped with the second electrothermal tube 9 of looks adaptation, and second electrothermal tube 9 with rotate cover 2 fixed connection, the setting of second electrothermal tube 9 is used for heating the inside molten plastics of conveyer pipe 1 from inside to outside through conveyor screw 3 when circular telegram work to the improvement is to the heating heat preservation effect of the inside molten plastics of conveyer pipe 1.

The application has the implementation principle that:

when the plastic feeding device is used, molten plastic is poured into the blanking hopper 10, so that the molten plastic is discharged into the conveying pipe 1 through the rotating cover 2, then the stepping motor 17 is started, the conveying pipe 1 is driven to rotate through the transmission of the gear 18 and the toothed ring 11 when the stepping motor 17 is started to work, the conveying pipe 1 can be matched with the conveying screw 3 to convey the molten plastic discharged into the conveying pipe 1 from right to left when the conveying pipe 1 rotates, and finally the molten plastic is extruded out of the extrusion head 15, the first electric heating pipe 5 and the second electric heating pipe 9 can be started in the conveying and extruding process, so that the first electric heating pipe 5 can heat the conveying pipe 1 when the conveying pipe 1 is started to work, the heating and heat preservation effects on the molten plastic inside the conveying pipe 1 are achieved, meanwhile, the conveying pipe 1 which is continuously rotated can be uniformly heated, and the probability of cooling and solidification of the molten plastic inside the conveying pipe 1 is reduced, and the second electric heating tube 9 can heat the plastic in the conveying pipe 1 from inside to outside through the conveying screw 3 when the second electric heating tube is started, so that the effect of heating and insulating the molten plastic in the conveying pipe 1 is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A plastic extrusion device, comprising a conveying pipe (1), characterized in that: one end of the conveying pipe (1) is fixedly connected with an extrusion head (15), and the other end of the conveying pipe (1) rotates A connected rotating cover (2) is connected, a rotating ring (4) is symmetrically connected to the outer side of the conveying pipe (1), and a plurality of first electric heaters are evenly and fixedly connected between the two sets of the rotating rings (4). A pipe (5), a plurality of the first electric heating pipes (5) are evenly arranged on the outside of the conveying pipe (1), and the inside of the conveying pipe (1) is sleeved with a suitable conveying screw (3) , one end of the conveying screw (3) is fixedly connected with the rotating cover (2), and the top of the rotating cover (2) is fixedly connected with a communicating hopper (10), and the conveying pipe (1) is A gear ring (11) is fixedly connected to the outside, a gear (18) is engaged with the bottom of the gear ring (11), and a stepper motor (17) is fixedly connected to one side of the gear (18).

2 . The plastic extrusion device according to claim 1 , wherein a support plate ( 12 ) is fixedly connected to the outer side of the stepping motor ( 17 ), and the support plate ( 12 ) is connected with the rotating The cover (2) is fixedly connected.

3. A plastic extrusion device according to claim 2, characterized in that: a thermal insulation sleeve (7) is fixedly connected between the two sets of the rotating rings (4), and the thermal insulation sleeve (7) covers Provided on the outside of the conveying pipe (1), the plurality of first electric heating pipes (5) are all located inside the thermal insulation sleeve (7).

4 . The plastic extrusion device according to claim 3 , wherein a vertical plate ( 13 ) is symmetrically and fixedly connected to the outer side of the thermal insulation sleeve ( 7 ), and the bottom of the vertical plate ( 13 ) is fixed. 5 . A base (19) is connected, and the support plate (12) is fixedly connected with the base (19).

5 . The plastic extrusion device according to claim 3 , wherein: the inner wall of the thermal insulation sleeve ( 7 ) is fixedly connected with a mirror-finished aluminum foil ( 16 ). 6 .

6 . The plastic extrusion device according to claim 1 , wherein fins ( 6 ) are fixedly connected to the outer side of the first electric heating pipe ( 5 ) evenly and at equal intervals. 7 .

7 . The plastic extrusion device according to claim 1 , wherein a receiving groove ( 8 ) is opened inside the conveying screw ( 3 ), and the inside of the receiving groove ( 8 ) is sleeved with a corresponding groove. 8 . An adapted second electric heating pipe (9), the second electric heating pipe (9) is fixedly connected with the rotating cover (2).

8 . The plastic extrusion device according to claim 1 , characterized in that: a top cover ( 14 ) adapted to be rotatably connected to the top of the hopper ( 10 ). 9 .