Injection molding machine for low-carbon plastic pearl wool lining box

Abstract

The utility model belongs to the technical field of plastic processing equipment, and particularly relates to a low-carbon plastic pearl wool lining box injection molding machine which comprises a working table, an injection mechanism and a mold closing mechanism are connected in a matched mode and arranged at the top of the working table, and the injection molding machine is characterized in that a feeding hopper is arranged at a feeding port in the top of the injection mechanism; a uniform distribution hopper plate is arranged in the feeding hopper, a partition plate is arranged in the feeding hopper and located below the uniform distribution hopper plate, a heating cavity is formed between the uniform distribution hopper plate and the partition plate, a plurality of snakelike discharging pipes are arranged at the bottom of the uniform distribution hopper plate in a penetrating mode, and the bottom ends of the snakelike discharging pipes extend to the position below the partition plate. Heating plates are arranged on the lower surfaces of the inclined parts of the multiple snakelike discharging pipes and used for heating materials falling along the inner walls of the snakelike discharging pipes; the raw material drying device is good in raw material drying effect, and water in the pearl wool raw material is prevented from forming steam at the high injection molding temperature to affect the product quality.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of plastic processing equipment, specifically relates to a low carbon plastic pearl wool inner lining box injection molding machine. BACKGROUND

[0002] With the continuous improvement of environmental awareness, the demand for low carbon plastic products is increasing. As a commonly used packaging material, the quality control in the production process of pearl wool is crucial. In the injection molding production of pearl wool inner lining box, the drying degree of raw materials has a significant impact on product quality.

[0003] Problems existing in the prior art:

[0004] The drying treatment of the traditional injection molding machine is not perfect during the feeding process, and the moisture in the pearl wool raw material will form steam under high temperature injection molding, resulting in defects such as bubbles and deformation of the product, which seriously affects the product quality. At the same time, the existing feeding mechanism is prone to over-concentration of the raw material during discharging, which makes the heating of the raw material uneven, further reducing the product quality and production efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a low carbon plastic pearl wool inner lining box injection molding machine, which can dry the raw materials well and avoid the moisture in the pearl wool raw material from forming steam under high temperature injection molding, affecting the product quality.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A low carbon plastic pearl wool inner lining box injection molding machine, comprising a workbench, an injection mechanism and a mold closing mechanism, the injection mechanism is connected with the mold closing mechanism, and is arranged on the top of the workbench, characterized in that a feeding hopper is arranged at the top feeding port of the injection mechanism, a uniform distribution hopper plate is arranged in the feeding hopper, a partition plate is arranged in the feeding hopper below the uniform distribution hopper plate, a heating chamber is formed between the uniform distribution hopper plate and the partition plate, a plurality of serpentine discharge pipes are arranged in the bottom of the uniform distribution hopper plate and extend to below the partition plate, heating plates are arranged on the lower surfaces of the inclined parts of the serpentine discharge pipes and used for heating the materials falling along the inner walls of the serpentine discharge pipes, a drying mechanism for drying the materials is arranged in the feeding hopper below the partition plate, and a vibrating mechanism for driving the serpentine discharge pipes to vibrate is arranged in the feeding hopper above the partition plate.

[0008] The uniform distribution hopper plate is integrally made of a plurality of four-pyramid hoppers, and the top of the serpentine discharge pipe is connected with the corresponding four-pyramid hopper in a penetrating manner.

[0009] The cross section of the serpentine discharge pipe is rectangular.

[0010] The drying mechanism comprises an air inlet pipe arranged at one side of the upper hopper and communicated with the top of one side of the heating chamber, an air inlet conical cover arranged through the other side of the upper hopper below the air inlet pipe, a hot air blowing head arranged on the outer wall of the upper hopper below the baffle and used for air drying the material falling from the serpentine discharging pipe, a connecting pipe connected between the air inlet conical cover and the hot air blowing head, a blowing pump arranged on the outer wall of the upper hopper and connected with the connecting pipe, and a backflow pipe connected through the bottom of the air inlet pipe and communicated with the upper hopper below the baffle.

[0011] The vibration mechanism comprises a rotating shaft arranged in the inner side of the upper hopper, a plurality of limiting blocks arranged on the outer wall of the rotating shaft, a cam arranged on the outer wall of the limiting block, a limiting waist groove arranged through the outer wall of the cam and slidably connected with the limiting block, and a turbine arranged in the air inlet conical cover and extended from one end of the rotating shaft.

[0012] The utility model discloses obtain technical effect for:

[0013] The utility model discloses through setting up the even distribution hopper board, can effectively even distribution the pearl wool raw materials that add to the upper hopper in corresponding serpentine discharging pipe through a plurality of four pyramid type hopper, avoided the problem that the pearl wool raw materials discharging is too concentrated, thereby improved the heating effect to pearl wool raw materials, the serpentine discharging pipe adopts the steel pipe of long rectangle cross section to make, increased the contact area of pearl wool raw materials and serpentine discharging pipe inner wall, the pearl wool raw materials better with serpentine discharging pipe inner wall contact is convenient, further improved the heating effect to pearl wool raw materials, can effectively remove the moisture in pearl wool raw materials, drying mechanism makes external air enter heating chamber through blowing pump, after heating through the heating plate, through hot air blowing head and blow to the pearl wool raw materials that fall from serpentine discharging pipe, carries out further drying and preheating treatment to it.

[0014] The utility model discloses through setting up vibration mechanism and utilizing hot -air flow when blowing pump starts and passes through air inlet conical cover and drive turbine rotation, further make rotating shaft drive limiting block rotation, limiting block cooperation limiting waist groove drive cam rotation, through the cam and make serpentine discharging pipe vibrate through striking, the pearl wool raw materials of convenient serpentine discharging pipe inside discharging, avoid the blockage, can also let the material contact more fully with serpentine discharging pipe inner wall in the falling process, promote heating effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three -dimensional structure schematic diagram of injection molding machine of the utility model;

[0016] Figure 2 It is the upper hopper structure schematic diagram of the utility model;

[0017] Figure 3is the internal structure schematic view of the feeding hopper of the utility model;

[0018] Figure 4 is the structure schematic view of the serpentine discharging pipe of the utility model;

[0019] Figure 5 is the three-dimensional structure schematic view of the vibrating mechanism of the utility model.

[0020] In the drawings, the component list represented by each sign is as follows:

[0021] 1, workbench;2, injection mechanism;3, mold closing mechanism;4, feeding hopper;5, equal distribution hopper plate;6, serpentine discharging pipe;7, partition;8, heating plate;9, air inlet pipe;10, air inlet cone cover;11, connecting pipe;12, hot air blower head;13, air blower pump;14, return pipe;15, rotating shaft;16, limit block;17, cam;18, limit waist groove;19, turbine. Specific implementation

[0022] In order to make the purpose and the advantage of the utility model more clearly and clearly, the utility model is specifically explained below in combination with examples. It should be understood that the following text is only used to describe one or several specific implementation modes of the utility model, and does not strictly limit the protection scope specifically requested by the utility model.

[0023] As Figures 1-4 Indicated, a kind of low carbon plastic pearl wool lining box injection molding machine, including workbench 1, injection mechanism 2 and mold closing mechanism 3, injection mechanism 2 is connected with mold closing mechanism 3 cooperation, and it is set to the top of workbench 1, and the top feed inlet of injection mechanism 2 is provided with feeding hopper 4, the inside of feeding hopper 4 is provided with equal distribution hopper plate 5, the inside of feeding hopper 4 and below equal distribution hopper plate 5 is provided with partition 7, and the heating chamber is formed between equal distribution hopper plate 5 and partition 7, the bottom of equal distribution hopper plate 5 is provided with multiple serpentine discharging pipes 6, and the bottom end of serpentine discharging pipe 6 extends to below partition 7, the lower surface of the inclined portion of multiple serpentine discharging pipes 6 is provided with heating plate 8, for heating the material falling along the inner wall of serpentine discharging pipe 6, the inside of feeding hopper 4 and below partition 7 is provided with drying mechanism for drying material, and the inside of feeding hopper 4 and above partition 7 is provided with vibrating mechanism for driving serpentine discharging pipe 6 vibration;Equal distribution hopper plate 5 is integrally made of multiple four-pyramid type hoppers, and the top of serpentine discharging pipe 6 is connected with corresponding four-pyramid type hopper;The cross section of serpentine discharging pipe 6 is rectangle.

[0024] According to the above structure, in use, the raw materials are poured into the upper hopper 4, the raw materials enter the equal distribution hopper plate 5, and enter the corresponding serpentine feeding pipe 6 through the plurality of four-pyramid-shaped hoppers on the equal distribution hopper plate 5, the heating plate 8 is started, the serpentine feeding pipe 6 is heated, the serpentine feeding pipe 6 heats the raw materials falling along the inner wall, the raw materials are heated and dried, and then fall from the bottom end of the serpentine feeding pipe 6 into the injection mechanism 2 for injection molding, the mold is pressed by the mold clamping mechanism 3, and the finished product is manufactured, the structure is simple, the operation is convenient, the drying effect of the raw materials is good, and the moisture in the pearl wool raw materials is prevented from forming steam under high temperature injection molding to affect the product quality; the equal distribution hopper plate 5 is arranged, the pearl wool raw materials added into the upper hopper 4 can enter the corresponding serpentine feeding pipe 6 through the plurality of four-pyramid-shaped hoppers on the equal distribution hopper plate 5, the pearl wool raw materials are prevented from being discharged too concentratedly, and the heating effect of the pearl wool raw materials is improved; the serpentine feeding pipe 6 is made of a rectangular steel pipe in cross section, the pearl wool raw materials can better contact the inner wall of the serpentine feeding pipe 6, the heating effect of the pearl wool raw materials is further improved, and the moisture of the pearl wool raw materials can be effectively removed.

[0025] As shown in Figures 2-3 , the drying mechanism comprises an air inlet pipe 9 arranged on one side of the upper hopper 4, the air inlet pipe 9 is in communication with one side top of the heating chamber, an air inlet conical cover 10 is arranged through the other side of the upper hopper 4 below the air inlet pipe 9, a hot air blowing head 12 is arranged on the outer wall of the upper hopper 4 below the partition plate 7, and is used for air drying the materials falling from the serpentine feeding pipe 6, a connecting pipe 11 is connected between the air inlet conical cover 10 and the hot air blowing head 12, a blower pump 13 connected with the connecting pipe 11 is arranged on the outer wall of the upper hopper 4, a reflux pipe 14 is connected through the bottom of the air inlet pipe 9, and the other end of the reflux pipe 14 is in communication with the upper hopper 4 below the partition plate 7; the one end of the air inlet pipe 9 and the one end of the reflux pipe 14 are both provided with a filter screen.

[0026] According to the above structure, the blower pump 13 is started, the external air enters the heating chamber, is heated by the heating plate 8, enters the connecting pipe 11, and then enters the hot air blowing head 12, and blows on the pearl wool raw materials falling from the serpentine feeding pipe 6, and the pearl wool raw materials are further dried and preheated, part of the blown hot air enters the air inlet pipe 9 along the reflux pipe 14, the external air entering the heating chamber is preheated, the external air is recycled, the energy saving and environmental protection are realized, and the practicability of the equipment is increased.

[0027] As shown in Figure 3 and Figure 5As shown, the vibration mechanism includes a rotating shaft 15 arranged inside the upper hopper 4, the outer wall of the rotating shaft 15 is provided with a plurality of limiting blocks 16, the outer wall of the limiting block 16 is provided with a cam 17, the outer wall of the cam 17 is provided with a limiting waist groove 18 in sliding connection with the limiting block 16, and one end of the rotating shaft 15 extends into the air inlet conical cover 10 and is provided with a turbine 19.

[0028] According to the above structure, when the air blowing pump 13 is started, the hot air flows through the air inlet conical cover 10 and drives the turbine 19 to rotate, the turbine 19 drives the rotating shaft 15 to rotate, the rotating shaft 15 drives the limiting block 16 to rotate, the limiting block 16 cooperates with the limiting waist groove 18 to drive the cam 17 to rotate, and the cam 17 strikes the serpentine downpipe 6 to make it vibrate, which facilitates the downflow of the pearl wool raw material in the serpentine downpipe 6, avoids blockage, and also enables the material to contact the inner wall of the serpentine downpipe 6 more fully during the falling process, thereby improving the heating effect.

[0029] The working principle of the utility model is as follows: in use, the raw material is poured into the upper hopper 4, the raw material enters the equal distribution hopper plate 5 and enters the corresponding serpentine downpipe 6 through the plurality of four-pyramid-shaped hoppers on the equal distribution hopper plate 5, the heating plate 8 is started to heat the serpentine downpipe 6, and the serpentine downpipe 6 heats the raw material that slides along the inner wall; the air blowing pump 13 is started, the external air enters the heating chamber, is heated by the heating plate 8, enters the connecting pipe 11, and then enters the hot air blower head 12 and blows on the pearl wool raw material falling from the serpentine downpipe 6, so as to further dry and preheat the pearl wool raw material, part of the blown hot air enters the air inlet pipe 9 through the reflux pipe 14, so as to preheat and heat the external air entering the heating chamber; when the air blowing pump 13 is started, the hot air flows through the air inlet conical cover 10 and drives the turbine 19 to rotate, the turbine 19 drives the rotating shaft 15 to rotate, the rotating shaft 15 drives the limiting block 16 to rotate, the limiting block 16 cooperates with the limiting waist groove 18 to drive the cam 17 to rotate, and the cam 17 strikes the serpentine downpipe 6 to make it vibrate, which facilitates the downflow of the pearl wool raw material in the serpentine downpipe 6, avoids blockage, and also enables the material to contact the inner wall of the serpentine downpipe 6 more fully during the falling process, thereby improving the heating effect; finally, the raw material falls into the injection mechanism 2 for injection molding, and the mold closing mechanism 3 is used for mold pressing to form a finished product.

[0030] The above only describes the preferred embodiments of the utility model, and it should be pointed out that, for ordinary skilled persons in the art, without departing from the principle of the utility model, a plurality of improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the art without special description and limitation.

Claims

1. A low-carbon plastic pearl wool lining box injection molding machine, comprising a workbench (1), an injection mechanism (2) and a mold closing mechanism (3), the injection mechanism (2) is connected with the mold closing mechanism (3), and is arranged on the top of the workbench (1), characterized in that, The top feeding port of the injection mechanism (2) is provided with an upper hopper (4), the inside of the upper hopper (4) is provided with a distribution hopper plate (5), the inside of the upper hopper (4) and below the distribution hopper plate (5) is provided with a partition plate (7), a heating chamber is formed between the distribution hopper plate (5) and the partition plate (7), the bottom of the distribution hopper plate (5) is provided with a plurality of serpentine discharge pipes (6) in a penetrating manner, and the bottom end of the serpentine discharge pipe (6) extends below the partition plate (7), the lower surface of the inclined part of the plurality of serpentine discharge pipes (6) is provided with a heating plate (8) for heating the material falling along the inner wall of the serpentine discharge pipe (6), the inside of the upper hopper (4) and below the partition plate (7) is provided with a drying mechanism for drying the material, and the inside of the upper hopper (4) and above the partition plate (7) is provided with a vibrating mechanism for driving the serpentine discharge pipe (6) to vibrate.

2. The low-carbon plastic pearl wool lining box injection molding machine according to claim 1, characterized in that: The distribution hopper plate (5) is integrally made of a plurality of four-pyramid hoppers, and the top of the serpentine discharge pipe (6) is connected with the corresponding four-pyramid hopper in a penetrating manner.

3. The low-carbon plastic pearl wool inner box injection molding machine according to claim 1, characterized in that: The cross section of the serpentine discharge pipe (6) is rectangular.

4. The low-carbon plastic pearl wool inner box injection molding machine according to claim 1, characterized in that: The drying mechanism comprises an air inlet pipe (9) arranged on one side of the upper hopper (4), the air inlet pipe (9) is communicated with the top of one side of the heating chamber, an air inlet conical cover (10) is arranged on the other side of the upper hopper (4) and below the air inlet pipe (9) in a penetrating manner, a hot air blowing head (12) is arranged on the outer wall of the upper hopper (4) and below the partition plate (7), which is used for air drying the material falling from the serpentine discharge pipe (6), a connecting pipe (11) is connected between the air inlet conical cover (10) and the hot air blowing head (12), a blower pump (13) is arranged on the outer wall of the upper hopper (4) and connected with the connecting pipe (11), the bottom of the air inlet pipe (9) is connected with a return pipe (14) in a penetrating manner, and the other end of the return pipe (14) is communicated with the upper hopper (4) below the partition plate (7).

5. The low-carbon plastic pearl wool inner box injection molding machine according to claim 1, characterized in that: The vibrating mechanism comprises a rotating shaft (15) arranged on the inner side of the upper hopper (4), a plurality of limiting blocks (16) are arranged on the outer wall of the rotating shaft (15), a cam (17) is arranged on the outer wall of the limiting block (16), a limiting waist groove (18) is formed on the outer wall of the cam (17) and connected with the limiting block (16) in a sliding manner, and a turbine (19) is arranged on one end of the rotating shaft (15) and extends into the air inlet conical cover (10).

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