Injection molding machine heater with temperature control function

Abstract

The utility model belongs to the technical field of injection molding machines, and particularly discloses an injection molding machine heater with a temperature control function, which comprises a heater body, the heater body is sleeved at the outer end of a machine barrel of an injection molding machine, and the heater body comprises a hollow columnar mounting shell consisting of two arc-shaped shells; hinges are fixed to one side of the inner wall of the mounting shell so that the two arc-shaped shells can be opened and closed, a fixing frame is arranged on one side of the inner wall of the mounting shell, a plurality of limiting holes are formed in the fixing frame in a penetrating mode, electric heating pipes are mounted in the limiting holes, and one ends of the electric heating pipes are connected to a connector through connecting cables. The connector is fixedly arranged at one end of the mounting shell, the connector is arranged to be fan-shaped according to the shape of a component of the mounting shell, a resistance regulator is arranged at one end of the connector, a temperature sensor is arranged on one side of the resistance regulator, and the temperature sensor is fixed to the inner wall of the mounting shell. And a connecting cable is arranged between the temperature sensor and the resistance regulator for connection.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, in particular to an injection molding machine heater with temperature control. Background Art

[0002] As a new type of material, plastic has caused a sensation since its appearance. With the development of science and technology, various plastic molding and processing technologies have emerged one after another, among which injection molding technology is a commonly used processing method. During injection molding, the plastic particles need to be melted by the injection molding machine, and then the molten plastic is squeezed into the mold by the screw. It is very important to keep the injection molding machine in a stable temperature range, which has attracted widespread attention. The existing injection molding machine heater has a single heating mechanism and no temperature control device. Therefore, it is necessary to design an injection molding machine heater with temperature control function. Utility Model Content

[0003] The purpose of the utility model is to provide an injection molding machine heater with temperature control to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a temperature-controlled injection molding machine heater, comprising a heater body, the heater body is sleeved on the outer end of the barrel of the injection molding machine, the heater body comprises an internally hollow cylindrical mounting shell composed of two arc-shaped shells, a hinge is fixed on one side of the inner wall of the mounting shell so that the two arc-shaped shells can be opened and closed, an assembly buckle is arranged on the outer peripheral wall of the mounting shell, the assembly buckle is arranged on two opposite sides of the hinge, a fixing frame is arranged on one side of the inner wall of the mounting shell, the mounting frame is fixedly connected to the mounting shell by bolts, a plurality of limiting holes are penetrated on the fixing frame, an electric heating tube is installed in the limiting hole, one end of the electric heating tube is connected to a connector through a connecting cable, the connector is fixedly arranged at one end of the mounting shell, the connector is arranged to be fan-shaped in accordance with the shape of the mounting shell component, a resistance adjuster is arranged at one end of the connector, a temperature sensor is arranged on one side of the resistance adjuster, the temperature sensor is fixed on the inner wall of the mounting shell, and a connecting cable is arranged between the temperature sensor and the resistance adjuster.

[0005] Preferably, the installation shell is provided with a heat-insulating layer on the outer layer, the heat-insulating layer adopts heat-insulating cotton, and the installation shell is provided with a flame-retardant layer on the inner layer.

[0006] Preferably, a mounting seat is provided through the outer peripheral wall of the mounting shell, and a fan is fixedly mounted on the mounting seat.

[0007] Preferably, the electric heating tube is overall U-shaped.

[0008] Preferably, a protective cover is provided on the outside of the temperature sensor, and ventilation holes are provided on two opposite sides of the protective cover.

[0009] Preferably, arc-shaped sealing plates are provided at both ends of the opening of the mounting shell, and the circumference of the inner wall of the combined sealing plates on the same side fits with the outer wall of the barrel of the injection molding machine.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model effectively monitors the temperature inside the heater body by arranging a temperature sensor; the temperature sensor is also connected to a display screen, so that the user can adjust the power of the device according to the temperature; the utility model is convenient for the user to maintain the electronic components inside the mounting shell by arranging a detachable sealing plate and an electric heating tube; in addition, the mounting shell is hingedly mounted to facilitate the installation of the heater body. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a partial structural schematic diagram of the utility model;

[0013] Figure 3 This is a cross-sectional view of the utility model;

[0014] Figure 4 This is a schematic diagram of the structure after installation of the utility model.

[0015] In the figure: 100, injection molding machine; 200, heater body; 1, mounting shell; 101, hinge; 102, assembly buckle; 103, mounting seat; 2, fixing frame; 201, limiting hole; 3, electric heating tube; 701, vent; 4, connector; 5, resistance adjuster; 6, temperature sensor; 7, protective cover; 8, connecting cable; 9, insulation layer; 10, flame retardant layer; 11, sealing plate; 12, fan. DETAILED DESCRIPTION

[0016] 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 in 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.

[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-4 The utility model provides a technical solution: a temperature-controlled injection molding machine heater, comprising a heater body 200, the heater body 200 being sleeved on the outer end of the barrel of the injection molding machine 100, the heater body 200 comprising an internally hollow cylindrical mounting shell 1 composed of two arc-shaped shells, a hinge 101 being fixed on one side of the inner wall of the mounting shell 1 so that the two arc-shaped shells can be opened and closed, an assembly buckle 102 being arranged on the outer peripheral wall of the mounting shell 1, the assembly buckle 102 being arranged on two opposite sides of the hinge 101, a fixing frame 2 being arranged on one side of the inner wall of the mounting shell 1, the mounting frame being fixed by The bolts are fixedly connected to the mounting shell 1, and a plurality of limiting holes 201 are penetrated on the fixing frame 2. An electric heating tube 3 is installed in the limiting hole 201. One end of the electric heating tube 3 is connected to the connector 4 through a connecting cable 8. The connector 4 is fixedly arranged at one end of the mounting shell 1. The connector 4 is arranged in a fan shape to match the shape of the mounting shell 1 component. A resistance adjuster 5 is arranged at one end of the connector 4. A temperature sensor 6 is arranged on one side of the resistance adjuster 5. The temperature sensor 6 is fixed on the inner wall of the mounting shell 1, and a connecting cable 8 is arranged between the temperature sensor 6 and the resistance adjuster 5.

[0020] Furthermore, the installation shell 1 is provided with an insulation layer 9 on the outer layer. The insulation layer 9 is made of insulation cotton. The insulation cotton has the advantages of heat preservation, reducing heat loss of the heater, and shortening the heating time. The installation shell 1 is provided with a flame retardant layer 10 on the inner layer. The flame retardant layer 10 prevents combustion caused by excessive temperature.

[0021] Furthermore, a mounting seat 103 is provided through the outer wall of the mounting shell 1 , and a fan 12 is fixedly mounted on the mounting seat 103 .

[0022] Furthermore, the electric heating tube 3 is overall in a "U" shape.

[0023] Furthermore, a protective cover 7 is provided on the outside of the temperature sensor 6 , and ventilation holes 701 are provided on two opposite sides of the protective cover 7 . The protective cover 7 blocks heat and protects the temperature sensor 6 , thereby extending the service life of the temperature sensor 6 .

[0024] Furthermore, arc-shaped sealing plates 11 are provided at both ends of the opening of the mounting shell 1, and the inner wall circumference of the sealing plates 11 on the same side is in contact with the outer wall of the barrel of the injection molding machine 100. The sealing plates 11 at both ends of the mounting shell 1 protect the electric heating tube 3 and reduce internal heat loss.

[0025] Working principle: The utility model provides an injection molding machine heater with temperature control, including a heater body 200, which is sleeved on the outer end of the barrel of the injection molding machine 100, and the heater body 200 includes an internally hollow cylindrical mounting shell 1 composed of two arc-shaped shells, and a hinge 101 is fixed on one side of the inner wall of the mounting shell 1 so that the two arc-shaped shells can be opened and closed, and an assembly buckle 102 is arranged on the outer peripheral wall of the mounting shell 1, and the assembly buckle 102 is arranged on two opposite sides of the hinge 101, and a fixing frame 2 is arranged on one side of the inner wall of the mounting shell 1, and the mounting frame is fixedly connected to the mounting shell 1 by bolts, and a plurality of limiting holes 201 are penetrated on the fixing frame 2, and an electric heating tube 3 is installed in the limiting hole 201, and one end of the electric heating tube 3 is connected to the connector 4 through a connecting cable 8, and the connector 4 is fixedly arranged at one end of the mounting shell 1 The connector 4 is configured to fit the mounting shell 1 component in a fan shape, a resistor regulator 5 is provided at one end of the connector 4, a temperature sensor 6 is provided at one side of the resistor regulator 5, the temperature sensor 6 is fixed on the inner wall of the mounting shell 1, and a connecting cable 8 is provided between the temperature sensor 6 and the resistor regulator 5; when in use, the fan 12 and the electric heating tube 3 are turned on, the electric heating tube 3 releases heat to heat and melt the raw material in the barrel of the injection molding machine 100, the temperature sensor 6 senses the internal temperature of the heater body 200, and the temperature sensor 6 is also connected to a digital display to display the temperature value. The user operates the resistor regulator 5 according to the temperature value, thereby adjusting the power of the electric heating tube 3 and adjusting the temperature. In addition, when the temperature of the heater body 200 is stable or needs to be cooled, the fan 12 is used to drive air circulation to accelerate the cooling time to avoid the raw material temperature in the barrel of the injection molding machine 100 being too high and causing burning.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heater for an injection molding machine with temperature control, characterized in that: The invention comprises a heater body (200), wherein the heater body (200) is sleeved on the outer end of the barrel of the injection molding machine (100), wherein the heater body (200) comprises a hollow cylindrical mounting shell (1) composed of two arc-shaped shells, wherein a hinge (101) is fixed on one side of the inner wall of the mounting shell (1) so that the two arc-shaped shells can be opened and closed, wherein an assembly buckle (102) is arranged on the outer peripheral wall of the mounting shell (1), wherein the assembly buckle (102) is arranged on two opposite sides of the hinge (101), wherein a fixing frame (2) is arranged on one side of the inner wall of the mounting shell (1), wherein the fixing frame is fixedly connected to the mounting shell (1) by bolts, and wherein the fixing frame (2) is provided with a fixing frame (2). A plurality of limiting holes (201) are provided through the housing, an electric heating tube (3) is installed in the limiting hole (201), one end of the electric heating tube (3) is connected to a connector (4) via a connecting cable (8), the connector (4) is fixedly provided at one end of the mounting shell (1), the connector (4) is configured to be fan-shaped to match the shape of the mounting shell (1), one end of the connector (4) is provided with a resistance adjuster (5), one side of the resistance adjuster (5) is provided with a temperature sensor (6), the temperature sensor (6) is fixed on the inner wall of the mounting shell (1), and a connecting cable (8) is provided between the temperature sensor (6) and the resistance adjuster (5).

2. The temperature-controlled injection molding machine heater according to claim 1, characterized in that: The installation shell (1) is provided with a heat-insulating layer (9) on the outer layer, the heat-insulating layer (9) is made of heat-insulating cotton, and the installation shell (1) is provided with a flame-retardant layer (10) on the inner layer.

3. The injection molding machine heater with temperature control according to claim 1, characterized in that: A mounting seat (103) is provided through the outer peripheral wall of the mounting shell (1), and a fan (12) is fixedly mounted on the mounting seat (103).

4. The injection molding machine heater with temperature control according to claim 1, characterized in that: The electric heating tube (3) is in a "U" shape as a whole.

5. The temperature-controlled injection molding machine heater according to claim 1, characterized in that: A protective cover (7) is arranged on the outside of the temperature sensor (6), and ventilation holes (701) are arranged on two opposite sides of the protective cover (7).

6. The temperature-controlled injection molding machine heater according to claim 1, characterized in that: Arc-shaped sealing plates (11) are provided at both ends of the opening of the installation shell (1), and the inner wall circumference of the combined sealing plates (11) on the same side fits with the outer wall of the barrel of the injection molding machine (100).

Images