Injection molding machine heater capable of preventing installation loosening

Abstract

The utility model relates to the field of injection molding machine heaters, and particularly discloses an injection molding machine heater capable of preventing mounting loosening, which comprises a mounting plate, a heater and a rotating bolt, the heater is arranged on the mounting plate, a heating pipe is arranged in the heater, an inlet is formed in one end of the heating pipe, an outlet is formed in the other end of the heating pipe, a sleeve shell is arranged outside the heater, a heating cavity is formed in the space between the sleeve shell and the heating pipe, and a heating electric coil is arranged in the heating cavity. The heating electric coil is wound on the heating pipe, a connecting plate is arranged on the heater, the connecting plate is fixedly connected to the mounting plate, a connecting block is arranged on one side of the connecting plate, a connecting groove is formed in the other side of the connecting plate, and the rotating bolt is arranged at the position, close to the connecting groove, of the connecting plate; the injection molding machine heater capable of preventing installation loosening provided by the utility model is convenient to combine, install and fix.

Description

Technical Field

[0001] The utility model relates to the field of injection molding machine heaters, in particular to an injection molding machine heater which can prevent installation from loosening. Background Art

[0002] The injection molding machine heater heats the plastic particles to make them melt, and applies high pressure to the molten plastic to make it eject and fill the mold cavity. It can form plastic products with complex shapes, precise dimensions or dense textures with metal inserts in one go, and is widely used in defense, electromechanical, automotive, packaging and other fields.

[0003] Thermoplastic particles are heated into liquid form and then injected through an injection molding machine. However, during the transportation of the hot plastic liquid, the plastic may solidify and become fixed due to the decrease in temperature. Therefore, continuous heating is required during the transportation process. However, existing heaters may become loose during installation. Therefore, an injection molding machine heater that prevents installation from becoming loose is proposed. Utility Model Content

[0004] The utility model aims to provide an injection molding machine heater which can prevent installation from loosening, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heater for an injection molding machine that prevents loosening during installation, comprising a mounting plate, a heater, and a rotating bolt; the heater is arranged on the mounting plate, a heating tube is arranged inside the heater, an inlet is arranged on one end of the heating tube, and an outlet is arranged on the other end of the heating tube, a casing is arranged outside the heater, a space between the casing and the heating tube is arranged as a heating chamber, a heating coil is arranged inside the heating chamber, the heating coil is wound around the heating tube, a connecting plate is arranged on the heater, the connecting plate is fixedly connected to the mounting plate, a connecting block is arranged on one side of the connecting plate, a connecting groove is arranged on the other side of the connecting plate, and the rotating bolt is arranged at a position of the connecting plate close to the connecting groove.

[0006] Preferably, the mounting plate is provided with a plurality of mounting holes, through which the mounting plate is fixed to avoid loosening during subsequent use.

[0007] Preferably, the mounting plate and the connecting plate have the same width, so as to facilitate the connection and combination of the two heaters.

[0008] Preferably, a limiting block is provided on one end of the connecting groove, the connecting block and the connecting groove have the same internal structure, and the length of the connecting block is the same as the depth of the connecting groove.

[0009] Preferably, a screw groove is provided on the connecting plate next to the connecting groove, the rotating bolt is provided inside the screw groove, a stop block is provided on the rotating bolt, a ring is provided on the connecting plate, the ring passes through the rotating bolt, a limiting plate is provided on the ring, the connecting block inserted into the connecting groove is fixed by the limiting plate to prevent loosening, and the rotating bolt fixes the limiting plate.

[0010] Preferably, the heating tube is made of copper material with high thermal conductivity to improve heat conduction efficiency, and an insulation layer is provided on the inner wall of the heating chamber to reduce heat loss and improve efficiency.

[0011] Preferably, the inlet is connected to a liquid input portion, the outlet is connected to a liquid outlet pipe, and the liquid is heated by a heater.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the heating tube is continuously heated by the arranged heating coil, thereby maintaining the liquid state of the thermoplastic, the device is fixedly installed through the mounting holes on the mounting plate to prevent the device from loosening, the two heaters are connected by inserting the connecting block of one heater into the connecting groove of the other heater, the connecting block is fixed by the limit plate, and the limit plate is fixed by the arranged rotating bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the overall structure of the utility model from another perspective;

[0015] Figure 3 This is the internal structure diagram of the heater of the utility model;

[0016] Figure 4 For this utility model Figure 2 Schematic diagram of the structure of part A;

[0017] Numbers in the figure: 1. Mounting plate; 11. Mounting hole; 2. Heater; 21. Heating tube; 22. Inlet; 23. Outlet; 24. Heating chamber; 25. Heating coil; 3. Connecting plate; 31. Connecting block; 32. Connecting groove; 33. Limiting block; 4. Rotating bolt; 41. Abutment block; 42. Ring; 43. Limiting plate. DETAILED DESCRIPTION

[0018] 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.

[0019] 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.

[0020] 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.

[0021] See also Figure 1-4 The utility model provides a technical solution: a heater for an injection molding machine that prevents loosening during installation, comprising a mounting plate 1, a heater 2, and a rotating bolt 4; the heater 2 is arranged on the mounting plate 1, a heating tube 21 is arranged inside the heater 2, an inlet 22 is arranged on one end of the heating tube 21, and an outlet 23 is arranged on the other end of the heating tube 21; a sleeve is arranged outside the heater 2, and a space between the sleeve and the heating tube 21 is arranged as a heating chamber 24, a heating coil 25 is arranged inside the heating chamber 24, and the heating coil 25 is wound around the heating tube 21; a connecting plate 3 is arranged on the heater 2, and the connecting plate 3 is fixedly connected to the mounting plate 1, a connecting block 31 is arranged on one side of the connecting plate 3, and a connecting groove 32 is arranged on the other side of the connecting plate 3, and the rotating bolt 4 is arranged on the connecting plate 3 near the connecting groove 32.

[0022] Furthermore, the mounting plate 1 is provided with a plurality of mounting holes 11, and the mounting plate 1 is fixed through the mounting holes 11 to avoid loosening during subsequent use.

[0023] Furthermore, the mounting plate 1 and the connecting plate 3 have the same width, which facilitates the connection and combination of the two heaters 2 .

[0024] Furthermore, a limiting block 33 is disposed on one end of the connection groove 32 , the connection block 31 and the connection groove 32 have the same internal structure, and the length of the connection block 31 is the same as the depth of the connection groove 32 .

[0025] Furthermore, a screw groove is provided on the connecting plate 3 next to the connecting groove 32, the rotating bolt 4 is provided inside the screw groove, a stop block 41 is provided on the rotating bolt 4, a collar 42 is provided on the connecting plate 3, the collar 42 passes through the rotating bolt 4, a limiting plate 43 is provided on the collar 42, the connecting block 31 inserted into the connecting groove 32 is fixed by the limiting plate 43 to prevent it from loosening, and the rotating bolt 4 fixes the limiting plate 43.

[0026] Furthermore, the heating tube 21 is made of copper material with high thermal conductivity to improve heat conduction efficiency, and an insulation layer is provided on the inner wall of the heating chamber 24 to reduce heat loss and improve efficiency.

[0027] Furthermore, the inlet 22 is connected to the liquid input part, and the outlet 23 is connected to the liquid outlet pipe, and the liquid is heated by the heater 2.

[0028] Working principle: insert the connecting block 31 of one heater 2 into the connecting groove 32 of another heater 2 to realize the connection combination of the two heaters 2, fix the position of the connecting block 31 by adjusting the limit plate 43, fix the sleeve ring 42 by rotating the rotating bolt 4 and the block 41 to fix the limit plate 43, fix the mounting plate 1 through the mounting hole 11, connect the inlet 22 to the input liquid pipeline, connect the outlet 23 to the liquid filling port, heat the liquid through the heater 2, heat the heating tube 21 through the heating coil 25, and keep the heating tube 21 warm in the heating chamber 24.

[0029] 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 that prevents loosening during installation, characterized in that: The invention comprises a mounting plate (1), a heater (2), and a rotating bolt (4); the heater (2) is arranged on the mounting plate (1); a heating tube (21) is arranged inside the heater (2); an inlet (22) is arranged at one end of the heating tube (21); an outlet (23) is arranged at the other end of the heating tube (21); a casing is arranged outside the heater (2); a space between the casing and the heating tube (21) is arranged as a heating chamber (24); a heating coil (25) is arranged inside the heating chamber (24); the heating coil (25) is wound around the heating tube (21); a connecting plate (3) is arranged on the heater (2); the connecting plate (3) is fixedly connected to the mounting plate (1); a connecting block (31) is arranged on one side of the connecting plate (3); a connecting groove (32) is arranged on the other side of the connecting plate (3); and the rotating bolt (4) is arranged at a position of the connecting plate (3) close to the connecting groove (32).

2. The anti-loosening installation heater for injection molding machines according to claim 1, characterized in that: The mounting plate (1) is provided with a plurality of mounting holes (11).

3. The anti-loosening installation heater for injection molding machine according to claim 1, characterized in that: The mounting plate (1) and the connecting plate (3) have the same width.

4. The anti-loosening installation heater for injection molding machines according to claim 1, characterized in that: A limiting block (33) is arranged at one end of the connection groove (32); the connection block (31) and the connection groove (32) have the same internal structure; the length of the connection block (31) and the depth of the connection groove (32) are the same.

5. The anti-loosening installation heater for injection molding machines according to claim 1, characterized in that: A screw groove is arranged on the connecting plate (3) next to the connecting groove (32), the rotating bolt (4) is arranged inside the screw groove, a stop block (41) is arranged on the rotating bolt (4), a collar (42) is arranged on the connecting plate (3), the collar (42) passes through the rotating bolt (4), and a limiting plate (43) is arranged on the collar (42).

6. The anti-loosening installation heater for injection molding machines according to claim 1, characterized in that: The heating tube (21) is made of copper material with high thermal conductivity, and a heat-insulating layer is provided on the inner wall of the heating chamber (24).

7. The anti-loosening installation heater for injection molding machines according to claim 1, characterized in that: The inlet (22) is connected to the liquid input portion, and the outlet (23) is connected to the liquid outlet pipeline.

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