Injection molding machine die head structure convenient for quantitative discharging

Abstract

The injection molding machine die head structure comprises an injection molding head main body, the inner side wall of the injection molding head main body is fixedly connected with a heat preservation mechanism, the inner side wall of the heat preservation mechanism is fixedly connected with a heating mechanism, one end of the injection molding head main body is connected with a flowing pipe in a penetrating mode, and the other end of the injection molding head main body is fixedly connected with the heating mechanism. And one end of the runner pipe is fixedly connected with a motor box. According to the injection molding machine die head structure convenient for quantitative discharging, through the arrangement of the heating mechanism and the heat preservation mechanism, when equipment is used, a power supply is switched on, an integrated control panel controls a heating net in an injection molding head main body to emit heat, and an injection molding liquid is heated, so that the injection molding liquid is prevented from being cooled and condensed to influence the injection molding effect and block an injection molding head; and the rock wool layer and the ceramic fiber layer are further arranged in the injection molding head body and have the good heat preservation effect, the situation that heat in injection molding liquid is lost too fast, repeated heating is needed, and consumption of electric power resources is affected is avoided, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of a die head structure of an injection molding machine which is convenient for quantitative material discharging, and in particular to a die head structure of an injection molding machine which is convenient for quantitative material discharging. Background Art

[0002] In an injection molding machine, a die head structure that facilitates quantitative discharge is usually called a metering die head or metering structure. The main function of a metering die head is to ensure that the amount of plastic injected each time is accurate and consistent to meet the quality and specification requirements of the product. The existing die head structure of an injection molding machine is not easy to quantitatively control the discharge amount, and the injection liquid inside the discharge port cools and solidifies during discharge, affecting the injection molding effect. Therefore, an injection molding machine die head structure that facilitates quantitative discharge is required.

[0003] A die head structure of an injection molding machine disclosed in the announcement number CN206011679U, although, the die head structure of the injection molding machine belongs to the field of mold processing technology. In order to solve the existing problem that only a single wire is coated and easy to wear, a die head structure of an injection molding machine is provided, including a mold shell and a guide rod, the lower end face of the mold shell has a concave cavity 1, the left side face has a concave cavity 2, the concave cavity 1 and the concave cavity 2 are interlinked, a through hole 1 is provided on the right side face of the mold shell, the guide rod passes through the through hole 1, the right end of the guide rod forms a tight fit with the through hole 1, the left end of the guide rod is located in the concave cavity 2, the guide rod is arranged horizontally, and a number of through holes arranged in parallel and in the same plane are opened in the guide rod along the length direction, the left side face of the mold shell is located at the concave cavity 2 and is provided with an end cover, the end cover is connected to the inner side wall of the concave cavity 2 by a thread, and a through hole 2 is opened on the end cover, and the central axis of each through hole is parallel to the central axis of the through hole 2 and is in the same plane. This die head structure can achieve the effect of coating multiple wires into one; and it also has the effect of preventing wear.

[0004] However, the die head structure of the injection molding machine has the following disadvantages: when the equipment is used, it is not easy to quantitatively control the injection volume, which may cause excessive or insufficient injection volume to affect the injection molding effect. Utility Model Content

[0005] The technical problems to be solved by the utility model are as follows: to provide an injection molding machine die head structure which is highly practical, can be easily operated, and has a relatively simple structure and is convenient for quantitative discharging, thereby solving the problem of difficulty in quantitatively controlling the injection volume proposed in the above-mentioned background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A die head structure of an injection molding machine that is convenient for quantitative discharging includes an injection head body, an inner side wall of the injection head body is fixedly connected to a heat preservation mechanism, an inner side wall of the heat preservation mechanism is fixedly connected to a heating mechanism, one end of the injection head body is connected through a flow tube, one end of the flow tube is fixedly connected to a motor box, the interior of the motor box is fixedly connected to a driving mechanism, and one side of the surface of the injection head body is fixedly connected to a quantitative mechanism.

[0008] As a further solution of the utility model: the heat-insulating mechanism comprises a rock wool layer fixedly connected to the inner wall of the injection head body, one end of the rock wool layer is fixedly connected to a ceramic fiber layer, and the ceramic fiber layer is convenient for heat preservation.

[0009] As a further solution of the utility model: the heating mechanism includes a heating net fixedly connected to the inner wall of the heat preservation mechanism, and one end of the heating net is electrically connected to a battery through a power line, so that the battery is convenient for continuous power supply.

[0010] As a further solution of the utility model: the driving mechanism includes a servo motor fixedly connected to the inside of the motor box, the output end of the servo motor is splined with a transmission rod, one end of the transmission rod is fixedly connected to a driving gear, one end of the driving gear is meshed with a transmission gear, and one end of the transmission gear is fixedly connected to a piston rod, which facilitates the movement of the injection liquid.

[0011] As a further solution of the utility model: the quantitative mechanism includes a solenoid valve fixedly connected to one side of the surface of the injection head body, one side of the solenoid valve is electrically connected to an integrated control panel through a power line, one side of the integrated control panel is electrically connected to a flow sensor through a power line, and the other side of the integrated control panel is electrically connected to one side of the servo motor and the heating network through the power line, and the integrated control panel facilitates the control of the circuit system.

[0012] As a further solution of the utility model: the bottom of the circulation pipe is fixedly connected with a connecting block, the surface of the connecting block is provided with two groups of threaded holes, the internal threads of the threaded holes are connected with threaded columns, and the threaded columns are convenient for fixing the equipment.

[0013] As a further solution of the utility model: a liquid injection port is provided on the upper surface of the circulation tube, and a filter screen is fixedly connected to the interior of the injection head body, and the filter screen is convenient for filtering impurities in the injection liquid.

[0014] Beneficial effects of the utility model:

[0015] 1. Through the setting of heating mechanism and heat preservation mechanism, when the equipment is used, the power is turned on, and the integrated control panel controls the heating network inside the injection head body to heat up, and heats the injection liquid to avoid cooling and condensation of the injection liquid, affecting the injection effect and clogging the injection head. In addition, a rock wool layer and a ceramic fiber layer are also set inside the injection head body. The rock wool layer and the ceramic fiber layer have a good heat preservation effect, which can prevent the heat inside the injection liquid from dissipating too quickly, requiring repeated heating, affecting the consumption of power resources, and reducing production costs.

[0016] 2. Through the setting of the driving mechanism and the quantitative mechanism, when the equipment is used, the servo motor is started, and the servo motor drives the driving gear on one side to rotate. The driving gear drives the piston rod on the transmission gear meshing with its surface to move inside the circulation tube, so that the piston rod pushes the injection liquid inside the circulation tube to move to the main body of the injection head. The flow sensor on the surface of the injection head main body detects the flow. When the preset value is reached, the signal is transmitted to the integrated control panel, and then the integrated control panel controls the solenoid valve to close and the servo motor to stop operating, completing a quantitative operation to avoid too much or too little injection liquid, which affects the injection molding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the driving mechanism of the utility model;

[0020] Figure 3 It is a schematic diagram of the quantitative mechanism structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the heating mechanism structure of the utility model;

[0022] Figure 5 It is a schematic diagram of the structure of the heat preservation mechanism of the utility model.

[0023] In the figure: 1. Injection head body; 2. Insulation mechanism; 201. Rock wool layer; 202. Ceramic fiber layer; 3. Heating mechanism; 301. Heating net; 302. Battery; 4. Flow pipe; 5. Motor box; 6. Driving mechanism; 601. Servo motor; 602. Transmission rod; 603. Driving gear; 604. Transmission gear; 605. Piston rod; 7. Dosing mechanism; 701. Solenoid valve; 702. Integrated control panel; 703. Flow sensor; 8. Connecting block; 9. Threaded column; 10. Liquid injection port; 11. Filter net. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1-5 As shown, a die head structure of an injection molding machine that is convenient for quantitative discharging includes an injection head body 1, and the inner side wall of the injection head body 1 is fixedly connected with a heat preservation mechanism 2. Through the arrangement of a heating mechanism 3 and the heat preservation mechanism 2, it is prevented that the heat inside the injection liquid is lost too quickly, and repeated heating is required, which affects the consumption of electric power resources and reduces production costs. The inner side wall of the heat preservation mechanism 2 is fixedly connected with the heating mechanism 3. One end of the injection head body 1 is through-connected with a flow pipe 4, and one end of the flow pipe 4 is fixedly connected with a motor box 5. The inside of the motor box 5 is fixedly connected to a driving mechanism 6. Through the arrangement of the driving mechanism 6 and the quantitative mechanism 7, it is prevented that the injection liquid is too much or too little, which affects the injection effect. The surface side of the injection head body 1 is fixedly connected with the quantitative mechanism 7.

[0026] like Figure 5 As shown, the heat preservation mechanism 2 includes a rock wool layer 201 fixedly connected to the inner wall of the injection head body 1, and one end of the rock wool layer 201 is fixedly connected to a ceramic fiber layer 202. The heat preservation mechanism 2 is provided to achieve heat preservation.

[0027] like Figure 4 As shown, the heating mechanism 3 includes a heating net 301 fixedly connected to the inner wall of the heat preservation mechanism 2, and one end of the heating net 301 is electrically connected to a battery 302 through a power line. The battery 302 is provided to provide continuous power supply;

[0028] like Figure 2 As shown, the driving mechanism 6 includes a servo motor 601 fixedly connected to the inside of the motor box 5, the output end of the servo motor 601 is splined with a transmission rod 602, one end of the transmission rod 602 is fixedly connected to a driving gear 603, one end of the driving gear 603 is meshed with a transmission gear 604, and one end of the transmission gear 604 is fixedly connected to a piston rod 605. The piston rod 605 is arranged to drive the injection liquid to move;

[0029] like Figure 3As shown, the quantitative mechanism 7 includes a solenoid valve 701 fixedly connected to one side of the surface of the injection head body 1, one side of the solenoid valve 701 is electrically connected to an integrated control panel 702 through a power line, one side of the integrated control panel 702 is electrically connected to a flow sensor 703 through a power line, and the other side of the integrated control panel 702 is electrically connected to a servo motor 601 and one side of the heating network 301 through a power line. Through the setting of the integrated control panel 702, the function of controlling the circuit system is played;

[0030] like Figure 1 As shown, the bottom of the flow pipe 4 is fixedly connected with a connection block 8, and the surface of the connection block 8 is provided with two groups of threaded holes, and the internal threads of the threaded holes are connected with threaded columns 9, and the setting of the threaded columns 9 plays a role in fixing the equipment;

[0031] like Figure 4 As shown, a liquid injection port 10 is provided on the upper surface of the circulation tube 4, and a filter screen 11 is fixedly connected to the interior of the injection head body 1. The filter screen 11 is provided to filter impurities in the injection liquid.

[0032] The model of the integrated control panel 702 is: MCU; the model of the flow sensor 703 is: Promag; the above parameters and models can be selected according to actual conditions.

[0033] The working principle of the utility model is as follows: when the equipment is in use, the power is turned on, and the integrated control panel 702 controls the heating net 301 inside the injection head body 1 to generate heat, so as to heat the injection liquid to prevent the injection liquid from cooling and condensing, affecting the injection molding effect and clogging the injection head. In addition, a rock wool layer 201 and a ceramic fiber layer 202 are also arranged inside the injection head body 1. The rock wool layer 201 and the ceramic fiber layer 202 have a good thermal insulation effect. In addition, the servo motor 601 is started, and the servo motor 601 drives the driving gear 603 on one side to rotate. The driving gear 603 drives the piston rod 605 on the transmission gear 604 meshing with its surface to move inside the circulation tube 4, so that the piston rod 605 pushes the injection liquid inside the circulation tube 4 to move to the injection head body 1. The flow sensor 703 on the surface of the injection head body 1 detects the flow. When the preset value is reached, the signal is transmitted to the integrated control panel 702, and then the integrated control panel 702 controls the solenoid valve 701 to close and the servo motor 601 to stop operating, thereby completing a quantitative operation.

[0034] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A die head structure for an injection molding machine that facilitates quantitative discharging, comprising an injection head body (1), characterized in that: The inner wall of the injection head body (1) is fixedly connected to a heat preservation mechanism (2), the inner wall of the heat preservation mechanism (2) is fixedly connected to a heating mechanism (3), one end of the injection head body (1) is connected through a circulation tube (4), one end of the circulation tube (4) is fixedly connected to a motor box (5), the interior of the motor box (5) is fixedly connected to a driving mechanism (6), and one side of the surface of the injection head body (1) is fixedly connected to a quantitative mechanism (7).

2. The die head structure of an injection molding machine for facilitating quantitative discharging according to claim 1, characterized in that: The heat-insulating mechanism (2) comprises a rock wool layer (201) fixedly connected to the inner wall of the injection head body (1), and one end of the rock wool layer (201) is fixedly connected to a ceramic fiber layer (202).

3. The die head structure of an injection molding machine for facilitating quantitative discharging according to claim 1, characterized in that: The heating mechanism (3) comprises a heating net (301) fixedly connected to the inner wall of the heat-insulating mechanism (2); one end of the heating net (301) is electrically connected to a storage battery (302) via a power line.

4. The die head structure of an injection molding machine for facilitating quantitative discharging according to claim 1, characterized in that: The driving mechanism (6) comprises a servo motor (601) fixedly connected to the inside of the motor box (5); the output end of the servo motor (601) is spline-connected to a transmission rod (602); one end of the transmission rod (602) is fixedly connected to a driving gear (603); one end of the driving gear (603) is meshed with a transmission gear (604); and one end of the transmission gear (604) is fixedly connected to a piston rod (605).

5. The die head structure of an injection molding machine for facilitating quantitative discharging according to claim 1, characterized in that: The quantitative mechanism (7) comprises a solenoid valve (701) fixedly connected to one side of the surface of the injection head body (1); one side of the solenoid valve (701) is electrically connected to an integrated control panel (702) via a power line; one side of the integrated control panel (702) is electrically connected to a flow sensor (703) via a power line; and the other side of the integrated control panel (702) is electrically connected to a servo motor (601) and one side of a heating network (301) via a power line.

6. The die head structure of an injection molding machine for facilitating quantitative discharging according to claim 1, characterized in that: The bottom of the circulation pipe (4) is fixedly connected to a connection block (8), the surface of the connection block (8) is provided with two groups of threaded holes, and the internal threads of the threaded holes are connected to threaded columns (9).

7. The die head structure of an injection molding machine for facilitating quantitative discharging according to claim 1, characterized in that: The upper surface of the circulation tube (4) is provided with a liquid injection port (10), and the interior of the injection head body (1) is fixedly connected with a filter screen (11).

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