CN212266501U

CN212266501U - Heating device for plastic mobile phone protective housing is moulded plastics and is used

Info

Publication number: CN212266501U
Application number: CN202020599795.3U
Authority: CN
Inventors: 肖尊才
Original assignee: Dongguan Yuding Nano Technology Co ltd
Current assignee: Dongguan Yuding Nano Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2021-01-01
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a heating device that plastic cell-phone protective housing was moulded plastics and is used, including the feed cylinder, the feeder hopper is installed on the top of feed cylinder, and the side of feeder hopper is fixed with the mounting bracket, and the motor is installed to the bottom of mounting bracket, and the side of motor is provided with the pivot, and the feed cylinder is passed in the pivot, and the connecting rod is installed on the top of feed cylinder, and open on the surface of connecting rod has the connecting hole, and the connecting hole is passed in the pivot, and the fixed surface of. When plastics get into the feed cylinder from the feeder hopper, stir the group of plastics through stirring the frame and scatter for plastics form the molten state easily, or melt more abundant, improve the quality of moulding plastics. The electric heating rod is installed at the center of the charging barrel, the heating frame is installed at the bottom end of the charging barrel, and the heating strip is inserted into the groove, so that the electric heating ring is better contacted with the surface of the charging barrel, and the plastic inside the charging barrel is favorably heated.

Description

Heating device for plastic mobile phone protective housing is moulded plastics and is used

Technical Field

The utility model relates to a plastic technical field that moulds plastics specifically is a heating device that plastic cell-phone protective housing was moulded plastics and is used.

Background

An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for molding thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold. The injection molding machine applies high pressure to the molten plastic to eject the molten plastic to fill the mold cavity. The heating system of the injection molding machine is used for heating the charging barrel, the charging barrel of the injection molding machine generally adopts an electric heating ring as a heating device, the charging barrel is arranged outside the charging barrel, the thermocouple is used for detecting in a segmented mode, and heat is conducted through the wall of the charging barrel to provide a heat source for material plasticizing.

The Chinese invention with the authorization notice number CN208558217U is specially favorable for 2019, 3 and 1, and discloses a plastic heating device for an injection molding machine, which comprises a charging barrel, wherein an electric heating coil heater is installed on the top wall of the charging barrel, a feeding hopper is arranged on the upper side of the charging barrel, a connecting pipe is fixedly installed at the bottom end of the feeding hopper, the bottom end of the connecting pipe is inserted on the top wall of the charging barrel, a control valve is installed on one side of the connecting pipe, a motor is fixedly installed on the outer side wall of one end of the charging barrel, a rotating shaft is fixedly installed at the driving end of the motor, a plurality of stirring rods are uniformly. The utility model discloses not only can prevent that the heat in the feed cylinder from running off, can also avoid near heat transfer to feed inlet to prevent that the raw materials from melting at the feed opening, simple structure not only can also reduction in production cost, exhaust apparatus and agitating unit cooperation can be in the heating process fast with the gas outgoing in the raw materials, appear the bubble in the raw materials when avoiding injection moulding, thereby improved injection moulding's effect.

The heating device for the plastic mobile phone protective shell is used for injection molding, so that heat loss in the charging barrel can be prevented, and heat can be prevented from being transferred to the position near the feeding hole. However, when entering the barrel from the hopper, the plastic is easy to agglomerate, so that the plastic is not easy to form a molten state or is not molten sufficiently, and the injection molding quality is affected. And only the wall of the charging barrel is heated, and the heating of the barrel center part is insufficient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heating device that plastic cell-phone protective housing was moulded plastics and is used to solve when plastics get into the feed cylinder from the feeder hopper, gather into the bulk easily, lead to plastics to be difficult to form the molten condition, or melt inadequately, influence the problem of the quality of moulding plastics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heating device that plastic cell-phone protective housing was moulded plastics and is used, includes the feed cylinder, the feeder hopper is installed on the top of feed cylinder, the side of feeder hopper is fixed with the mounting bracket, the motor is installed to the bottom of mounting bracket, the side of motor is provided with the pivot, the feed cylinder is passed in the pivot, the connecting rod is installed on the top of feed cylinder, open on the surface of connecting rod has the connecting hole, the connecting hole is passed in the pivot, the fixed surface of pivot has the stirring frame.

Preferably, the bottom end of the connecting rod is fixed with an electric heating rod, the surface of the electric heating rod is fixed with a heating sheet, and the bottom end of the electric heating rod is fixed with a heating frame.

Preferably, the surface of feed cylinder is opened flutedly, the surface mounting of feed cylinder has the electric heating circle, the internal surface of electric heating circle is fixed with the heating strip, the heating strip inserts the recess, the surface mounting of electric heating circle has the insulation cover.

Preferably, the mounting bracket is of an L-shaped structure, the rotating shaft is perpendicular to the side face of the charging barrel, and the rotating shaft is located at the upper port of the charging barrel.

Preferably, the connecting rod is perpendicular to the rotating shaft, the rotating radius of the stirring frame is not larger than the inner diameter of the charging barrel, and the stirring frame is parallel to the connecting rod.

Preferably, the electric heating rod is perpendicular to the connecting rod, the cross section of the heating plate is of an arc structure, and the heating frame is of a cross structure.

Preferably, the length of the recess is no greater than the length of the cartridge.

Compared with the prior art, the beneficial effects of the utility model are that: 1. when plastics get into the feed cylinder from the feeder hopper, stir the group of plastics through stirring the frame and scatter for plastics form the molten state easily, or melt more abundant, improve the quality of moulding plastics.

2. The electric heating rod is installed at the center of the charging barrel, the heating frame is installed at the bottom end of the charging barrel, and the heating strip is inserted into the groove, so that the electric heating ring is better contacted with the surface of the charging barrel, and the plastic inside the charging barrel is favorably heated.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view taken along direction a of fig. 1 according to the present invention;

fig. 3 is a sectional view of the present invention taken along the direction B of fig. 1;

fig. 4 is a schematic circuit diagram of the motor of fig. 1 according to the present invention.

In the figure: 1. a charging barrel; 2. an electric heating ring; 3. a thermal insulation sleeve; 4. a groove; 5. heating the strip; 6. a heating rack; 7. a heating plate; 8. an electrical heating rod; 9. a rotating shaft; 10. a motor; 11. a mounting frame; 12. a feed hopper; 13. connecting holes; 14. a connecting rod; 15. and a stirring frame.

Detailed Description

Referring to fig. 1 and fig. 3, the present invention provides a technical solution: a heating device for plastic mobile phone protective shell injection molding comprises a material cylinder 1, wherein the material cylinder 1 is of a cylindrical structure. The top end of the charging barrel 1 is provided with a feed hopper 12, and the feed hopper 12 is in a bell mouth shape.

Referring to fig. 1, 3 and 4, a mounting bracket 11 is fixed on the side of the feeding hopper 12, the mounting bracket 11 is of an L-shaped structure, and the mounting bracket 11 is located on the side of the charging barrel 1. The motor 10 is installed at the bottom end of the mounting rack 11, the motor is 10YX3-112M-4 type, and the motor is provided with a switch and is connected with an indoor power supply through a lead to be electrified.

Referring to fig. 1 and 3, a rotating shaft 9 is disposed on a side surface of the motor 10, the rotating shaft 9 is perpendicular to a side surface of the charging barrel 1, the rotating shaft 9 is located at an upper port of the charging barrel 1, and the rotating shaft 9 penetrates through the charging barrel 1. The surface of the rotating shaft 9 is fixed with a stirring frame 15, and the rotating radius of the stirring frame 15 is not more than the inner diameter of the charging barrel 1. When plastics get into feed cylinder 1 from feeder hopper 12, stir the group through stirring frame 15 and scatter for plastics form the molten state easily, or melt more fully, improve the quality of moulding plastics.

Referring to fig. 1 and 3, a connecting rod 14 is installed at the top end of the charging barrel 1, the connecting rod 14 is perpendicular to the rotating shaft 9, a connecting hole 13 is formed in the surface of the connecting rod 14, the rotating shaft 9 passes through the connecting hole 13, and the stirring frame 15 is parallel to the connecting rod 14 for stabilizing the rotating shaft 9 and installing the electric heating rod 8.

Referring to fig. 1 and 2, an electric heating rod 8 is fixed at the bottom end of the connecting rod 14, the electric heating rod 8 is perpendicular to the connecting rod 14, and the electric heating rod 8 is located at the center of the charging barrel 1. The surface of the electric heating rod 8 is fixed with a heating plate 7, the section of the heating plate 7 is of an arc structure, and the heating plate 7 is used for enlarging the contact area between the electric heating rod 8 and plastic.

Referring to fig. 1 and 2, a heating frame 6 is fixed at the bottom end of the electric heating rod 8, the heating frame 6 is in a cross structure, and the heating frame 6 is located at the bottom end of the charging barrel 1 to more fully heat the plastic.

Referring to fig. 1 and 2, a groove 4 is formed on the surface of the charging barrel 1, and the length of the groove 4 is not greater than that of the charging barrel 1; the surface mounting of feed cylinder 1 has electric heating ring 2, and the internal surface of electric heating ring 2 is fixed with heating strip 5, and the length of heating strip 5 is not more than the length of recess 4, and heating strip 5 inserts recess 4. The electric heating ring 2 is better contacted with the surface of the charging barrel 1, and the plastic inside the charging barrel 1 is favorably heated. The outer surface of the electric heating ring 2 is provided with a heat insulation sleeve 3 for heat insulation of the electric heating ring 2.

The utility model discloses when concrete implementation: the connecting rod 14 is installed in the upper end of feed cylinder 1, and the electric heating rod 8 is installed in the inside of feed cylinder 1 and is connected with connecting rod 14, and the heating plate 7 is fixed on the surface of electric heating rod 8, and heating frame 6 is fixed in the bottom of electric heating rod 8.

The electric heating ring 2 is arranged on the surface of the charging barrel 1, the heating strip 5 is inserted into the groove 4, and the insulating sleeve 3 is sleeved on the surface of the electric heating ring 2.

The feed hopper 12 is installed at the top end of the charging barrel 1, the motor 10 is installed at the side of the charging barrel 1 through the mounting frame 11, the rotating shaft 9 passes through the charging barrel 1 and the connecting hole 13, and the stirring frame 15 is fixed on the surface of the rotating shaft 9.

The electric heating ring 2 and the heating strip 5 heat the surface of the charging barrel 1, and the electric heating rod 8, the heating sheet 7 and the heating frame 6 heat the interior of the charging barrel 1; the motor 10 drives the rotating shaft 9 to rotate, and the rotating shaft 9 drives the stirring frame 15 to rotate.

Plastics begin to feed cylinder 1 inside through feeder hopper 12, and pivot 9 drives and stirs frame 15 and stir the group of plastics for plastics form the molten state easily, or melt more abundant, improve the quality of moulding plastics. At the same time, the center and the surface of the barrel 1 are heated together, so that the plastic melts more sufficiently.

Claims

1. The utility model provides a heating device that plastic cell-phone protective housing was moulded plastics and is used, includes feed cylinder (1), its characterized in that: feeder hopper (12) are installed on the top of feed cylinder (1), the side of feeder hopper (12) is fixed with mounting bracket (11), motor (10) are installed to the bottom of mounting bracket (11), the side of motor (10) is provided with pivot (9), feed cylinder (1) is passed in pivot (9), connecting rod (14) are installed on the top of feed cylinder (1), connecting hole (13) have been opened on the surface of connecting rod (14), connecting hole (13) are passed in pivot (9), the fixed surface of pivot (9) has stirring frame (15).

2. The heating device of claim 1, wherein the heating device comprises: the bottom mounting of connecting rod (14) has electrical heating rod (8), the fixed surface of electrical heating rod (8) has heating plate (7), the bottom mounting of electrical heating rod (8) has heating frame (6).

3. The heating device of claim 1, wherein the heating device comprises: recess (4) are opened on the surface of feed cylinder (1), the surface mounting of feed cylinder (1) has electric heating ring (2), the internal surface mounting of electric heating ring (2) has heating strip (5), recess (4) are inserted in heating strip (5), the surface mounting of electric heating ring (2) has insulation cover (3).

4. The heating device of claim 1, wherein the heating device comprises: mounting bracket (11) are L type structure, the side of pivot (9) and feed cylinder (1) is perpendicular, pivot (9) are located the up end department of feed cylinder (1).

5. The heating device of claim 1, wherein the heating device comprises: the connecting rod (14) is perpendicular to the rotating shaft (9), the rotating radius of the stirring frame (15) is not larger than the inner diameter of the charging barrel (1), and the stirring frame (15) is parallel to the connecting rod (14).

6. The heating device of claim 2, wherein the heating device comprises: the electric heating rod (8) is perpendicular to the connecting rod (14), the cross section of the heating sheet (7) is of an arc structure, and the heating frame (6) is of a cross structure.

7. The heating device of claim 3, wherein the heating device comprises: the length of the groove (4) is not more than that of the charging barrel (1).