CN216230686U

CN216230686U - Plastic is moulded plastics and is used firing equipment

Info

Publication number: CN216230686U
Application number: CN202122990952.0U
Authority: CN
Inventors: 吴丽苹
Original assignee: Shenzhen Youjia Industrial Co ltd
Current assignee: Shenzhen Youjia Industrial Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-08
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses heating equipment for plastic injection molding, which comprises an extrusion bin, wherein support frames are arranged at the bottom of the extrusion bin along two opposite length sides, a top cover is arranged at the top end of the extrusion bin, a feed inlet is formed in one side of the top end of the top cover, a controller is arranged on one side of the top cover, which is far away from the feed inlet, a discharge outlet is formed in one side of the bottom of the extrusion bin, heating plates are arranged on two side walls of the inner side of the extrusion bin, two rotating shafts which are arranged in parallel are arranged in the extrusion bin, heating wires are arranged inside each rotating shaft, a spiral propelling stirring blade is sleeved outside each rotating shaft, and a driving device for driving the rotating shafts to rotate is arranged on one side of the extrusion bin, which is far away from the discharge outlet, so that the extrusion of injection molding materials is realized, the injection molding materials in a screw extruder are uniformly heated, and the injection molding quality is greatly improved.

Description

Plastic is moulded plastics and is used firing equipment

Technical Field

The utility model relates to the technical field of plastic injection molding heating equipment, in particular to heating equipment for plastic injection molding.

Background

The twin-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing and plasticizing performance, exhaust performance, extrusion stability and the like, so that the twin-screw extruder is widely applied to molding and processing of extruded products.

In the plastic injection molding process, a double-screw extruder is indispensable, and the double-screw extruder for plastic injection molding heating in the prior art generally heats at the side wall, but is easy to cool between two screws, so that the plastic cannot be fully and completely heated.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a heating apparatus for plastic injection molding, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a plastic is moulded plastics and is used firing equipment, includes the extrusion storehouse, extrusion storehouse bottom is equipped with the support frame along the reverse both sides of length, the top in extrusion storehouse is equipped with the top cap, top cap top one side is equipped with the feed inlet, one side that the feed inlet was kept away from to the top cap is equipped with the controller, one side that the feed inlet was kept away from to extrusion storehouse bottom is equipped with the discharge gate, be equipped with the hot plate on the inboard both sides wall in extrusion storehouse, be equipped with two parallel arrangement's pivot in the extrusion storehouse, the inside of every pivot all is equipped with the heater strip, the pivot overcoat is equipped with the screw propulsion stirring leaf, one side that the discharge gate was kept away from in the extrusion storehouse is equipped with this pivot pivoted drive arrangement of drive.

As a preferable scheme of the utility model, the driving device comprises two driving motors which are arranged at the side of the extrusion bin close to the feed inlet and the side of the output end far away from the controller, one sides of the two rotating shafts far away from the controller penetrate through the extrusion bin and are connected with second gears, the output end of each driving motor is provided with a first gear, the first gear and the second gear are in transmission connection through a chain wheel, and a gearbox is arranged between the output end of each driving motor and the first gear.

As a preferable scheme of the present invention, the driving motor and the extrusion chamber are fixed by bolts, the first gear is fixedly connected to an output end of the driving motor, the second gear is fixedly connected to the rotating shaft, and the first gear and the second gear are sleeved with protective covers.

As a preferable scheme of the present invention, two sides of the two rotating shafts are respectively provided with a first fixing seat and a second fixing seat which are fixedly connected with the extrusion chamber, the first fixing seat is arranged at one side of the extrusion chamber close to the driving device, the second fixing seat is arranged at one side close to the controller, wherein the first fixing seat is rotatably connected with the two rotating shafts through a first bearing seat, and the second fixing seat is rotatably connected with the two rotating shafts through a second bearing seat.

As a preferable scheme of the utility model, the controller and the top cover are fixed through bolts, and the controller is provided with an operation button and a display screen.

As the preferable scheme of the utility model, the extrusion bin is fixedly connected with the supporting frame, and the extrusion bin is fixed with the top cover through bolts.

As a preferable scheme of the utility model, a temperature sensor is arranged inside the extrusion bin.

Has the advantages that: when the injection molding machine is used, the screw extruder is started through the controller, then injection molding materials are poured into the injection molding machine from the feeding hole, after the injection molding materials are poured into the injection molding machine, the driving motors are started through the controller, the rotating speeds of the driving motors are controlled through the gearbox, the rotating directions of the two driving motors are opposite, then the heating plates and the heating wires are started to heat the injection molding materials, the heating plates are arranged on the side walls and the heating wires are arranged inside the rotating shafts, so that the inside and the outside of the injection molding materials are uniformly heated, the temperature of the injection molding materials is controlled by the temperature sensors to be kept constant, the injection molding materials are prevented from being solidified due to nonuniform heating, and finally the injection molding materials are extruded from the discharging hole.

Drawings

FIG. 1 is a perspective view of a heating apparatus for plastic injection molding according to the present invention;

FIG. 2 is a perspective view of the interior of a heating apparatus for plastic injection molding according to the present invention;

FIG. 3 is a perspective view of a driving device of a heating apparatus for plastic injection molding according to the present invention;

FIG. 4 is a schematic view of a twin-screw installation of a heating apparatus for plastic injection molding according to the present invention;

FIG. 5 is a schematic view of a heater strip of a heating apparatus for plastic injection molding according to the present invention.

In the figure: 1. extruding the bin; 2. a top cover; 3. a feed inlet; 4. a discharge port; 5. a support frame; 6. a protective cover; 7. a gearbox; 8. a drive motor; 9. a controller; 10. a rotating shaft; 11. a spiral propelling stirring blade; 12. heating plates; 13. a first gear; 14. a second gear; 15. a sprocket; 16. a first fixed seat; 17. a first bearing housing; 18. a second fixed seat; 19. a second bearing housing; 20. a heating wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a plastic is moulded plastics and is used firing equipment, is including extruding

storehouse

1, 1 bottom in extrusion storehouse is equipped with support frame 5 along the reverse both sides of length, the top in extrusion storehouse 1 is equipped with

top cap

2, 2 top one sides of top cap are equipped with feed inlet 3, one side that feed inlet 3 was kept away from to top cap 2 is equipped with controller 9, one side that feed inlet 3 was kept away from to 1 bottom in extrusion storehouse is equipped with discharge gate 4, be equipped with hot plate 12 on the inboard both sides wall in extrusion storehouse 1, be equipped with two parallel arrangement's pivot 10 in the extrusion storehouse 1, the inside of every pivot 10 all is equipped with

heater strip

20, 10 overcoat in the pivot is equipped with screw propulsion stirring leaf 11, one side that discharge gate 4 was kept away from in extrusion storehouse 1 is equipped with this pivot 10 pivoted drive arrangement of drive.

In an embodiment, referring to fig. 1, fig. 2, and fig. 3, the driving device includes two driving motors 8 disposed at a position where the extrusion chamber 1 is close to the feed inlet 3, and an output end of each driving motor 8 is far from one side of the controller 9, one sides of the two rotating shafts 10, which are far from the controller 9, penetrate through the extrusion chamber 1 and are connected with second gears 14, the output end of each driving motor 8 is provided with a first gear 13, the first gear 13 is in transmission connection with the second gear 14 through a sprocket 15, a transmission case 7 is disposed between the output end of each driving motor 8 and the first gear 13, the driving motors 8 and the extrusion chamber 1 are fixed by bolts, the first gears 13 are fixedly connected with the output end of each driving motor 8, the second gears 14 are fixedly connected with the rotating shafts 10, and the first gears 13 and the second gears 14 are sleeved with a protective cover 6.

In an embodiment, referring to fig. 1 and fig. 4, two sides of two rotating shafts 10 are respectively provided with a first fixing seat 16 and a second fixing seat 18 fixedly connected with the extrusion chamber 1, the first fixing seat 16 is disposed on one side of the extrusion chamber 1 close to the driving device, the second fixing seat 18 is disposed on one side close to the controller 9, wherein the first fixing seat 16 is rotatably connected with the two rotating shafts 10 through a first bearing seat 17, the second fixing seat 18 is rotatably connected with the two rotating shafts 10 through a second bearing seat 19, the controller 9 is fixed with the top cover 2 through a bolt, and the controller 9 is provided with an operation button and a display screen.

In an embodiment, referring to fig. 1, the extrusion chamber 1 is fixedly connected to the support frame 5, the extrusion chamber 1 is fixed to the top cover 2 by bolts, and a temperature sensor is disposed inside the extrusion chamber 1.

The operation process comprises the following steps: when the injection molding machine is used, the screw extruder is started through the controller, then injection molding materials are poured into the injection molding machine from the feeding hole, after the injection molding materials are poured into the injection molding machine, the driving motors are started through the controller, the rotating speeds of the driving motors are controlled through the gearbox, the rotating directions of the two driving motors are opposite, then the heating plates and the heating wires are started to heat the injection molding materials, the heating plates are arranged on the side walls and the heating wires are arranged inside the rotating shafts, so that the inside and the outside of the injection molding materials are uniformly heated, the temperature of the injection molding materials is controlled by the temperature sensors to be kept constant, the injection molding materials are prevented from being solidified due to nonuniform heating, and finally the injection molding materials are extruded from the discharging hole.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A heating device for plastic injection molding comprises an extrusion bin (1), wherein two sides of the bottom of the extrusion bin (1) along the reverse length are provided with support frames (5), a top cover (2) is arranged at the top end of the extrusion bin (1), a feeding hole (3) is arranged at one side of the top end of the top cover (2), a controller (9) is arranged on one side of the top cover (2) far away from the feed inlet (3), a discharge hole (4) is arranged on one side of the bottom of the extrusion bin (1) far away from the feed inlet (3), heating plates (12) are arranged on two side walls of the inner side of the extrusion bin (1), two rotating shafts (10) which are arranged in parallel are arranged in the extrusion bin (1), a heating wire (20) is arranged in each rotating shaft (10), the screw propulsion stirring blade (11) is sleeved outside the rotating shaft (10), and a driving device for driving the rotating shaft (10) to rotate is arranged on one side, away from the discharge hole (4), of the extrusion bin (1).

2. The heating apparatus for plastic injection molding according to claim 1, wherein: drive arrangement runs through extrusion storehouse (1) and is connected with second gear (14) including setting up two driving motor (8) that controller (9) one side are kept away from to extrusion storehouse (1) department and output that are close to feed inlet (3), one side that controller (9) were kept away from in two pivot (10), the output of driving motor (8) is equipped with first gear (13), be connected through sprocket (15) transmission between first gear (13) and second gear (14), be equipped with gearbox (7) between the output of driving motor (8) and first gear (13).

3. The heating apparatus for plastic injection molding according to claim 2, wherein: pass through the bolt fastening between driving motor (8) and extrusion storehouse (1), fixed connection between the output of first gear (13) and driving motor (8), fixed connection between second gear (14) and pivot (10), first gear (13) and second gear (14) overcoat are equipped with safety cover (6).

4. The heating apparatus for plastic injection molding according to claim 1, wherein: the both sides of two pivot (10) are equipped with respectively and extrude first fixing base (16) and second fixing base (18) of storehouse (1) fixed connection, and its first fixing base (16) are established in one side that extrudes storehouse (1) and is close to drive arrangement, establish in one side that is close to controller (9) second fixing base (18), wherein rotate through first bearing frame (17) between first fixing base (16) and two pivot (10) and be connected, rotate through second bearing frame (19) between second fixing base (18) and two pivot (10) and be connected.

5. The heating apparatus for plastic injection molding according to claim 1, wherein: the controller (9) and the top cover (2) are fixed through bolts, and the controller (9) is provided with an operating button and a display screen.

6. The heating apparatus for plastic injection molding according to claim 1, wherein: the extrusion bin (1) is fixedly connected with the support frame (5), and the extrusion bin (1) is fixed with the top cover (2) through bolts.

7. The heating apparatus for plastic injection molding according to claim 1, wherein: and a temperature sensor is arranged in the extrusion bin (1).