Injection molding machine with injection molding nozzle protection mechanism

Abstract

The utility model discloses an injection molding machine with an injection nozzle protection mechanism, which comprises a bottom frame, a raw material placing component, a material injection component and a pushing component are assembled at the top end of the bottom frame, one end of the material injection component is connected with a nozzle, a heat preservation component and a cleaning component are further arranged at the top end of the bottom frame, and the nozzle comprises a shell; raw materials are heated and subjected to hot melting in the raw material placing assembly, then flow into the material injection assembly, are pushed in the molten state in the material injection assembly under the action of the pushing assembly, then are sprayed out of the nozzle and are matched with a mold to complete injection molding operation, and after injection molding is completed, the raw materials are discharged out of the mold. The hot liquid in the box body is conveyed into the spiral channel through the circulating pump, so that the nozzle is heated, it is guaranteed that the temperature of residual molten plastic in the nozzle cannot be reduced too much, the molten plastic is prevented from being solidified in the nozzle, and high-pressure gas is conveyed into the gas spraying head through the gas pump; and then the high-pressure gas is matched to blow away the residual molten plastic in the nozzle.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection molding machine technical field, specifically, relate to a kind of injection molding machine with injection molding nozzle protection mechanism. BACKGROUND

[0002] Injection molding machine is also known as injection molding machine or injection machine, it is the thermoplastic or thermosetting plastics using plastic molding die is made into various shapes of plastic products Main molding equipment is divided into vertical, horizontal, all-electric, injection molding machine can heat plastic, melt plastic is applied high pressure, so that it is filled with mold cavity.

[0003] Injection molding machine is transported into molding die by injection molding nozzle with molten plastic, but the molten plastic remaining in the nozzle after injection molding is solidified in the nozzle, which causes the nozzle to be blocked, affecting the next use of injection molding machine.

[0004] For the problems in the related art, no effective solution has been proposed so far.

[0005] Therefore, in order to solve the above problems, the utility model provides an injection molding machine with injection molding nozzle protection mechanism. Utility model content

[0006] In order to overcome the above technical problems, the purpose of the utility model is to provide an injection molding machine with injection molding nozzle protection mechanism. The raw material is heated and melted in the raw material placing assembly, then flows into the injection assembly, and is pushed by the pushing assembly in the molten state of the raw material in the injection assembly, then is sprayed from the nozzle, and is completed with the mold injection operation. After injection molding, the hot liquid in the box is transported into the spiral channel by the circulating pump, so as to heat the nozzle, thereby ensuring that the temperature of the residual molten plastic in the nozzle does not drop too much, avoiding its solidification in the nozzle. High pressure gas is transported into the air jet head by the air pump, and then the residual molten plastic in the nozzle is blown away with the high pressure gas.

[0007] The purpose of the utility model can be achieved by the following technical solutions:

[0008] The utility model provides an injection molding machine with injection nozzle protection mechanism, including the bottom frame, the top of bottom frame is equipped with raw material placing assembly, injection assembly and push assembly, one end of injection assembly is connected with the nozzle, the top of bottom frame still is provided with heat preservation subassembly and cleaning assembly, the nozzle includes the shell, the inside of shell is equipped with spiral channel, the heat preservation subassembly includes the box, the top of box is installed with circulating pump, circulating pump can deliver hot liquid in the box to spiral channel, the cleaning assembly includes air pump and the air jet head of setting on the nozzle, raw material is heated hot melt in raw material placing assembly, then flows into injection assembly, pushes the raw material under the molten state in injection assembly through the effect of push assembly, then makes it from the nozzle, cooperation mold completes injection molding work, after injection molding, the hot liquid in the box is delivered to spiral channel through circulating pump, thereby the nozzle is heated, and then guarantee the temperature of residual molten state plastics in the nozzle does not drop too much, avoids its solidification in the nozzle, through air pump to the high pressure gas of delivery in air jet head, thereby cooperation high pressure gas blows away residual molten state plastics in the nozzle.

[0009] Further in, the top of bottom frame still is installed with injection molding plate, injection molding plate sets up in the export end of nozzle.

[0010] Further in, the top of bottom frame still is installed with mold, and the mold sets up in one side of injection molding plate.

[0011] Further in, the outside of box is equipped with heat preservation layer, and the inside of box is installed with heating sheet.

[0012] Further in, the bottom end of circulating pump is installed with first pipe, and the top end of circulating pump is installed with second pipe, and the top of box is still connected with third pipe.

[0013] Further in, one end of second pipe is connected with the import end of spiral channel, and one end of third pipe is connected with the export end of spiral channel.

[0014] Further in, one side of air pump is connected with air pipe, and one end of air pipe is connected with air jet head, and air pipe is installed with valve.

[0015] Further in, the air jet direction of air jet head is identical with the export direction of nozzle.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model discloses a material is heated hot melt in raw material placing subassembly, then flows into the injection material subassembly, and the raw material under the molten state in injection material subassembly is pushed through the effect of push subassembly, then makes it from the nozzle spouts, and completes injection moulding operation with mould, after injection moulding is completed, and the hot liquid in the tank is extracted through the first pipeline by circulating pump, and it is transported to the spiral channel through the second pipeline, thereby the nozzle is heated, and then guarantee the temperature of the residual molten state plastic in the nozzle not to drop too much, avoid its solidification in the nozzle, and then hot liquid flows back to the tank through the third pipeline, and the liquid is heated through the heating sheet, guarantees its use effect, and the heat preservation layer can play a heat preservation effect to the tank, avoids the heat loss too fast, then opens the valve, and high pressure gas is transported to the air jet head through the air pump, and then the residual molten state plastic in the nozzle is blown away with high pressure gas. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0019] Figure 1 It is one of the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the second three-dimensional structure schematic diagram of the utility model;

[0021] Figure 3 It is the heat preservation subassembly structure schematic diagram of the utility model;

[0022] Figure 4 It is the cleaning assembly structure schematic diagram of the utility model.

[0023] Reference signs:

[0024] 1, base frame;2, raw material placing subassembly;3, injection material subassembly;4, push subassembly;5, nozzle;501, shell;502, spiral channel;6, injection moulding plate;7, mould;8, heat preservation subassembly;801, tank;802, heat preservation layer;803, heating sheet;804, circulating pump;805, first pipeline;806, second pipeline;807, third pipeline;9, cleaning assembly;901, air pump;902, air pipe;903, air jet head;904, valve. DETAILED DESCRIPTION

[0025] Next, the utility model is further described in combination with the drawings and specific embodiments:

[0026] Please refer to Figures 1-4 The utility model discloses an injection molding machine with injection nozzle protection mechanism, including the chassis 1, the top of chassis 1 is equipped with raw material placing assembly 2, injection assembly 3 and push assembly 4, one end of injection assembly 3 is connected with the nozzle 5, the top of chassis 1 still is provided with heat preservation assembly 8 and cleaning assembly 9, and the nozzle 5 includes the shell 501, and the inside of shell 501 is provided with spiral channel 502, and heat preservation assembly 8 includes the box 801, and the top of box 801 is installed with circulating pump 804, and circulating pump 804 can deliver hot liquid in the box 801 to spiral channel 502, and cleaning assembly 9 includes air pump 901 and the jet head 903 of setting on the nozzle 5, and the raw material is heated hot melt in raw material placing assembly 2, then flows into injection assembly 3, and the raw material under the molten state in injection assembly 3 is pushed by the action of push assembly 4, then makes it from the nozzle 5 and sprays, and completes injection molding operation with mould 7, after injection molding, the hot liquid in the box 801 is delivered to spiral channel 502 by circulating pump 804, to heat the nozzle 5, to ensure that the temperature of residual molten state plastics in the nozzle 5 does not drop too much, avoids its solidification in the nozzle 5, and high pressure gas is delivered to the jet head 903 by air pump 901, and then the residual molten state plastics in the nozzle 5 is blown away with high pressure gas.

[0027] The top of chassis 1 still is installed with injection molding plate 6, and injection molding plate 6 is arranged at the outlet end of nozzle 5.

[0028] The top of chassis 1 still is installed with mould 7, and mould 7 is arranged at one side of injection molding plate 6.

[0029] The outside of box 801 is provided with heat preservation layer 802, and the inside of box 801 is installed with heating sheet 803.

[0030] The bottom end of circulating pump 804 is installed with first pipeline 805, and the top end of circulating pump 804 is installed with second pipeline 806, and the top of box 801 is still connected with third pipeline 807.

[0031] One end of second pipeline 806 is connected with the inlet end of spiral channel 502, and one end of third pipeline 807 is connected with the outlet end of spiral channel 502.

[0032] One side of air pump 901 is connected with air pipe 902, and one end of air pipe 902 is connected with jet head 903, and valve 904 is installed on air pipe 902.

[0033] The jet direction of jet head 903 is consistent with the outlet direction of nozzle 5.

[0034] The working principle of the injection molding machine with the injection molding nozzle protection mechanism is as follows: raw materials are heated and melted in the raw material placing assembly 2, then flow into the injection material assembly 3, and then the raw materials in the molten state in the injection material assembly 3 are pushed by the pushing assembly 4, and then are sprayed out from the nozzle 5, and the injection molding operation is completed in cooperation with the mold 7, after the injection molding is completed, the circulating pump 804 extracts the hot liquid in the box body 801 through the first pipeline 805, and then the hot liquid is transported into the spiral channel 502 through the second pipeline 806, so that the nozzle 5 is heated, and then the temperature of the residual molten plastic in the nozzle 5 is prevented from being too low, and the residual molten plastic in the nozzle 5 is prevented from being solidified, then the hot liquid flows back into the box body 801 through the third pipeline 807, and the liquid is heated by the heating sheet 803, so that the use effect is guaranteed, the heat preservation layer 802 can play a heat preservation effect on the box body 801, heat loss is prevented from being too fast, then the valve 904 is opened, and high-pressure gas is transported into the air jet head 903 through the air pump 901, and then the residual molten plastic in the nozzle 5 is blown away in cooperation with the high-pressure gas.

[0035] All the components in the utility model are general standard components or components known by those skilled in the art, the structure and principle of which can be known by the technical personnel through technical manual or through conventional experimental method, meanwhile, the standard components used in the application file can be purchased from the market, the components in the application file can be ordered according to the description and the drawings, the specific connection mode of each component adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical, component and equipment adopt the conventional type in the prior art, the control mode is automatically controlled through the controller, the control circuit of the controller can be realized through simple programming of those skilled in the art, which belongs to the common knowledge in the field, and the application file is mainly used for protecting the mechanical device, so the control mode and circuit connection are not explained in detail, and are not specifically described herein.

[0036] In the description of the utility model, it also needs to be explained that, unless there is definite provision and limitation, the terms "connected", "connected" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. An injection molding machine with injection nozzle protection mechanism, comprising a base frame (1), the top end of the base frame (1) is equipped with a raw material placing assembly (2), an injection assembly (3) and a pushing assembly (4), one end of the injection assembly (3) is connected with a nozzle (5), characterized in that, The top end of the bottom frame (1) is further provided with a heat preservation assembly (8) and a cleaning assembly (9), the nozzle (5) comprises a shell (501), a spiral channel (502) is formed in the shell (501), the heat preservation assembly (8) comprises a box (801), a circulating pump (804) is installed at the top end of the box (801), the circulating pump (804) can deliver hot liquid in the box (801) into the spiral channel (502), the cleaning assembly (9) comprises an air pump (901) and a gas jet head (903) arranged on the nozzle (5).

2. An injection molding machine having a nozzle protection mechanism according to claim 1, wherein, The top end of the bottom frame (1) is further provided with an injection molding plate (6), the injection molding plate (6) is arranged at the outlet end of the nozzle (5).

3. An injection molding machine having a nozzle protection mechanism according to claim 2, wherein, The top end of the bottom frame (1) is further provided with a mold (7), the mold (7) is arranged on one side of the injection molding plate (6).

4. An injection molding machine having a nozzle protection mechanism according to claim 1, wherein, The outside of the box (801) is provided with a heat preservation layer (802), and the inside of the box (801) is provided with a heating sheet (803).

5. An injection molding machine having a nozzle protection mechanism according to claim 1, wherein, The bottom end of the circulating pump (804) is provided with a first pipeline (805), the top end of the circulating pump (804) is provided with a second pipeline (806), and the top end of the box (801) is further provided with a third pipeline (807).

6. An injection molding machine having a nozzle protection mechanism according to claim 5, wherein, One end of the second pipeline (806) is connected with the inlet end of the spiral channel (502), and one end of the third pipeline (807) is connected with the outlet end of the spiral channel (502).

7. An injection molding machine having a nozzle protection mechanism according to claim 1, wherein, One side of the air pump (901) is connected with an air pipe (902), one end of the air pipe (902) is connected with the gas jet head (903), and a valve (904) is installed on the air pipe (902).

8. An injection molding machine having a nozzle protection mechanism according to claim 1, wherein, The gas jet direction of the gas jet head (903) is consistent with the outlet direction of the nozzle (5).

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