CN216936696U

CN216936696U - Injection molding machine sprinkler and use its injection molding machine

Info

Publication number: CN216936696U
Application number: CN202122838092.9U
Authority: CN
Inventors: 胡昌石
Original assignee: Guangdong Zhongzhineng Plastic Technology Co ltd
Current assignee: Guangdong Zhongzhineng Plastic Technology Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-07-12
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a spraying device of an injection molding machine and the injection molding machine using the same, comprising a three-axis moving device, wherein the three-axis moving device is provided with guide strokes in the directions of an X axis, a Y axis and a Z axis; the supply device comprises a power pump and a connecting hose, one end of the connecting hose is communicated with the power pump, and the other end of the connecting hose is communicated with the liquid inlet; each liquid outlet is provided with an atomizing nozzle; the spraying device of the injection molding machine can automatically move to the cavity of the mold to spray the release agent, and the release agent is quantitatively and uniformly sprayed.

Description

Injection molding machine sprinkler and use its injection molding machine

Technical Field

The utility model relates to the technical field of injection molding processes, in particular to a spraying device of an injection molding machine and the injection molding machine using the spraying device.

Background

The injection molding machine is a tool for producing plastic products and has wide application. In the production process of plastic products, a mold release agent needs to be sprayed on a cavity on a mold of an injection molding machine. The common method is that an operator sprays a release agent to a mold cavity after producing a certain number of products, and the method is carried out by the operator according to experience and has the defects of different time intervals, inconsistent spraying amount, high labor intensity and the like.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the spraying device of the injection molding machine can automatically move to the cavity of a mold to spray the release agent, and the release agent is sprayed quantitatively and uniformly.

The utility model also provides an injection molding machine.

According to a first aspect of the utility model, an injection molding machine spraying device comprises: the three-axis moving device is provided with guide strokes in the directions of an X axis, a Y axis and a Z axis, a connecting block is arranged on the three-axis moving device so as to drive the connecting block to move in the directions of the X axis, the Y axis and the Z axis, a liquid inlet and a plurality of liquid outlets are arranged on the connecting block, and the liquid outlets are communicated with the liquid inlet; the supply device comprises a power pump and a connecting hose, one end of the connecting hose is communicated with the power pump, and the other end of the connecting hose is communicated with the liquid inlet; and each liquid outlet is provided with the atomizing nozzle.

The spraying device of the injection molding machine provided by the embodiment of the utility model at least has the following technical effects: the three-axis moving device can drive the connecting block to move in the space, and the connecting block can be automatically moved to a cavity of a die; the supply device is used for providing a release agent, the power pump pressurizes the release agent, the release agent is conveyed to the connecting block through the connecting hose, and then the release agent is sprayed out from the atomizing nozzle and evenly spread in the cavity; the atomizing nozzle can refine the release agent liquid into small liquid drops, namely an atomized state, so that the release agent is distributed more uniformly.

In some embodiments of the present invention, the atomizing nozzle is connected to the liquid outlet through a universal ball joint, and the connecting block is provided with an adjusting device, and the adjusting device is connected to the atomizing nozzle, so that a nozzle of the atomizing nozzle can change direction.

In some embodiments of the present invention, the adjusting device includes a plurality of pulling devices and a plurality of pulling ropes, three pulling devices are disposed around each atomizing nozzle, the pulling devices are disposed on the connecting block, the pulling devices are uniformly arranged around the circumference of the atomizing nozzle, and the pulling devices are connected with the central atomizing nozzle through the pulling ropes.

In some embodiments of the utility model, the pulling device is a stepper motor.

In some embodiments of the present invention, the atomizing nozzle includes a nozzle body and a mixing cap, the nozzle body has a liquid passage therein, the liquid passage communicates with the liquid outlet, a gas passage is disposed beside the liquid passage, the mixing cap is disposed at the outlets of the liquid passage and the gas passage, the mixing cap has a mixing chamber therein, the mixing chamber communicates the outlets of the liquid passage and the gas passage, the mixing cap has an ejection hole, and the ejection hole communicates with the mixing chamber, so that the mixture is ejected from the ejection hole.

In some embodiments of the present invention, the outlet end of the nozzle body is tapered, the outlet of the gas passage is disposed on the tapered wall, the outlet of the liquid passage is disposed at the tapered axis, the injection hole is coaxial with the outlet of the liquid passage, a taper corresponding to the outlet end of the nozzle body is disposed inside the mixing cap, the mixing cap and the nozzle body are connected by a screw thread, so that the mixing cap can be adjusted along the axial direction of the nozzle body, and a gas flow passage with an adjustable cross-sectional size is formed between the tapered surface of the mixing cap and the tapered surface of the nozzle body.

According to a second aspect of the embodiment of the utility model, the injection molding machine comprises the injection molding machine spraying device.

The injection molding machine provided by the embodiment of the utility model at least has the following technical effects: the injection molding machine spraying device can automatically move to the cavity of the injection molding machine mold to spray the release agent, and the release agent is quantitatively and uniformly sprayed.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an atomizing nozzle in accordance with an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a connection block according to an embodiment of the present invention.

Reference numerals:

the three-axis moving device 100, the connecting block 110, the supplying device 200, the power pump 210, the connecting hose 220, the atomizing nozzle 300, the spray body 310, the liquid channel 311, the gas channel 312, the mixing cap 320, the spray hole 321, the universal ball head 400, the pulling device 500 and the pulling rope 510.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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 thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, a spray apparatus of an injection molding machine according to an embodiment of a first aspect of the present invention includes: the three-axis moving device 100 is provided with a guide stroke in the directions of an X axis, a Y axis and a Z axis, the three-axis moving device 100 is provided with a connecting block 110 to drive the connecting block 110 to move in the directions of the X axis, the Y axis and the Z axis, the connecting block 110 is provided with a liquid inlet and a plurality of liquid outlets, and the liquid outlets and the liquid inlet are communicated; the supply device 200, the supply device 200 includes the power pump 210 and the connecting hose 220, one end of the connecting hose 220 communicates with the power pump 210, another end communicates with liquid inlet; and each liquid outlet is provided with an atomizing nozzle 300.

The three-axis moving device 100 can drive the connecting block 110 to move in the space, so that the connecting block 110 can be automatically moved to a cavity of a mold; the supply device 200 is used for supplying the release agent, the power pump 210 pressurizes the release agent, the release agent is conveyed to the connecting block 110 through the connecting hose 220, and then the release agent is sprayed out from the atomizing nozzle 300 and uniformly spread in the cavity; the atomizing nozzle 300 is capable of finely atomizing the release agent liquid into small droplets, i.e., atomized, so that the release agent is more uniformly distributed.

Referring to fig. 2, in some embodiments of the present invention, an atomizing nozzle 300 includes a nozzle body 310 and a mixing cap 320, the nozzle body 310 is provided with a liquid passage 311, the liquid passage 311 is communicated with a liquid outlet, a gas passage 312 is provided beside the liquid passage 311, the mixing cap 320 covers outlets of the liquid passage 311 and the gas passage 312, the mixing cap 320 is provided with a mixing chamber therein, the mixing chamber communicates the outlets of the liquid passage 311 and the gas passage 312, the mixing cap 320 is provided with an injection hole 321, and the injection hole 321 is communicated with the mixing chamber, so that a mixture is injected from the injection hole 321.

The mold release agent flows from the liquid passage 311, the inner diameter of the liquid passage 311 is small, so that the flow rate of the mold release agent is increased, a negative pressure area is generated at the outlet of the gas passage 312, air is driven to flow from the gas passage 312, the mold release agent is mixed and collided with the air in the mixing cap 320, small liquid drops are generated, and finally the small liquid drops are sprayed from the spraying hole 321 to generate an atomization effect. Of course, the air passage 312 may also be connected to an air pump to actively pressurize the air passage 312, thereby achieving faster atomization and spraying.

In some embodiments of the present invention, the outlet end of the nozzle body 310 is tapered, the outlet of the gas channel 312 is disposed on the tapered wall, the outlet of the liquid channel 311 is disposed at the tapered axis, the injection hole 321 is coaxial with the outlet of the liquid channel 311, the interior of the mixing cap 320 is provided with a taper corresponding to the outlet end of the nozzle body 310, the mixing cap 320 is connected with the nozzle body 310 by a screw thread, so that the mixing cap 320 can be adjusted along the axial direction of the nozzle body 310, and a gas flow channel with an adjustable cross-sectional size is formed between the tapered surface of the mixing cap 320 and the tapered surface of the nozzle body 310.

When the relative position of the mixing cap 320 and the nozzle body 310 is adjusted by rotating in the axial direction, that is, the size of the gap between the tapered surface of the mixing cap 320 and the tapered surface of the nozzle body 310 is adjusted, the size of the cross section through which the gas flows can be changed, thereby controlling the flow rate of the gas. In a certain adjusting range, the smaller the flowing cross section is, the larger the gas flow velocity is, the better the atomization effect generated by the impact mixing with the release agent is, and the smaller the droplet diameter is.

In some embodiments of the present invention, the atomizing nozzle 300 is connected to the liquid outlet through a universal ball head 400, and the connecting block 110 is provided with an adjusting device, and the adjusting device is connected to the atomizing nozzle 300, so that the nozzle opening of the atomizing nozzle 300 can change the direction.

The spout redirecting of atomizing nozzle 300, can change the spray direction of release agent promptly, can deal with the problem that the lateral wall of mould cavity is difficult to spray, can evenly spray the release agent to each department of cavity, control through adjusting device, can effectively spray the release agent evenly.

Referring to fig. 3, in some embodiments of the present invention, the adjusting device includes a plurality of pulling devices 500 and a plurality of pulling ropes 510, three pulling devices 500 are disposed around each atomizing nozzle 300, the pulling devices 500 are disposed on the connecting block 110, the pulling devices 500 are uniformly arranged around the circumference of the atomizing nozzle 300, and the pulling devices 500 are connected to the central atomizing nozzle 300 through the pulling ropes 510.

The pulling device 500 keeps the pulling rope 510 in a taut state all the time by driving the pulling rope 510, and when the three pulling ropes 510 connected with the atomizing nozzle 300 are all in the same length, the atomizing nozzle 300 is in an initial centered state. If the direction of the nozzle opening of the atomizing nozzle 300 needs to be adjusted, for example, downward adjustment, only the pulling device 500 located below the atomizing nozzle 300 needs to contract the pulling rope 510 connected thereto, and the pulling device 500 located above the atomizing nozzle 300 releases the pulling rope 510 connected thereto, so that the direction of the nozzle opening of the atomizing nozzle 300 can be adjusted to be downward, while the pulling rope 510 is constantly under tension.

In some embodiments of the utility model, the pulling device 500 is a stepper motor.

The drawing device 500 adopts a stepping motor, and the rotation angle of the stepping motor can be accurately controlled according to the number of pulse signals, so as to adjust the length of the drawing rope 510 in a retracting and releasing manner, and thus, the nozzle direction of the atomizing nozzle 300 can be accurately controlled.

The injection molding machine according to the embodiment of the second aspect of the utility model comprises the injection molding machine spraying device.

The injection molding machine spraying device can automatically move to the cavity of the injection molding machine mold to spray the release agent, and the release agent is sprayed quantitatively and uniformly.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An injection molding machine sprinkler, comprising:

the device comprises a three-axis moving device (100), wherein the three-axis moving device (100) has guide strokes in the directions of an X axis, a Y axis and a Z axis, a connecting block (110) is arranged on the three-axis moving device (100) so as to drive the connecting block (110) to move in the directions of the X axis, the Y axis and the Z axis, a liquid inlet and a plurality of liquid outlets are arranged on the connecting block (110), and the liquid inlet is communicated with each liquid outlet;

the supply device (200) comprises a power pump (210) and a connecting hose (220), one end of the connecting hose (220) is communicated with the power pump (210), and the other end of the connecting hose is communicated with the liquid inlet;

and each liquid outlet is provided with the atomizing nozzle (300).

2. The spraying device of the injection molding machine according to claim 1, wherein the atomizing nozzle (300) comprises a nozzle body (310) and a mixing cap (320), a liquid passage (311) is arranged inside the nozzle body (310), the liquid passage (311) is communicated with the liquid outlet, a gas passage (312) is arranged beside the liquid passage (311), the mixing cap (320) covers the outlets of the liquid passage (311) and the gas passage (312), a mixing chamber is arranged in the mixing cap (320), the mixing chamber is communicated with the outlets of the liquid passage (311) and the gas passage (312), an ejection hole (321) is arranged on the mixing cap (320), and the ejection hole (321) is communicated with the mixing chamber, so that the mixture is ejected from the ejection hole (321).

3. The injection molding machine sprinkler according to claim 2, characterized in that the outlet end of the nozzle body (310) is conical, the outlet of the gas channel (312) is arranged on a conical wall, the outlet of the liquid channel (311) is arranged at the conical axis, the injection hole (321) is coaxial with the outlet of the liquid channel (311), the interior of the mixing cap (320) is provided with a conical shape corresponding to the outlet end of the nozzle body (310), the mixing cap (320) is in threaded connection with the nozzle body (310) so that the mixing cap (320) can be adjusted in the axial direction of the nozzle body (310), and a gas flow channel with an adjustable cross-sectional size is formed between the conical surface of the mixing cap (320) and the conical surface of the nozzle body (310).

4. The spraying device of an injection molding machine according to claim 1, characterized in that the atomizing nozzle (300) is connected with the liquid outlet through a universal ball head (400), and an adjusting device is arranged on the connecting block (110), and is connected with the atomizing nozzle (300) so that the nozzle orifice of the atomizing nozzle (300) can change direction.

5. Injection molding machine sprinkler according to claim 4, characterized in that the adjusting device comprises a plurality of pulling devices (500) and a plurality of pulling ropes (510), three pulling devices (500) being provided around each atomizing nozzle (300), the pulling devices (500) being provided on the connecting block (110), the pulling devices (500) being arranged evenly around the circumference of the atomizing nozzle (300), the pulling devices (500) being connected to the central atomizing nozzle (300) by means of the pulling ropes (510).

6. Injection molding machine spraying device according to claim 5, characterized in that the pulling device (500) is a stepper motor.

7. An injection molding machine comprising the injection molding machine sprinkler of any one of claims 1-6.