CN111645249A - Forming machine central energy distributor and using method thereof - Google Patents

Abstract

The invention provides a central energy distributor of a forming machine, which comprises a shell, wherein one side of the shell is a steam input end, a first cavity communicated with the steam input end is formed in the shell, the opposite side of the steam input end of the shell is a steam output end, steam enters a plurality of channels formed on two sides of the first cavity after entering the first cavity, a proportional control valve used for controlling the opening and closing of each channel is respectively installed on each channel, and a plurality of steam output ends are respectively communicated with a fixed die and a moving die of a forming machine die; the inside second cavity that has still seted up of casing, be provided with the air interface on the casing of second cavity one side, the both sides of second cavity respectively with the passageway intercommunication of first cavity side, and install the proportional control valve of control passageway switching at second cavity side, the second cavity passes through passageway and steam output end intercommunication. The forming machine reduces the maintenance cost of the pipeline system and the control logic difficulty of the pipeline system part of the equipment.

Description

Forming machine central energy distributor and using method thereof

Technical Field

The invention relates to the technical field of equipment for molding and preparing bead foaming products, in particular to a central energy distributor of a molding machine and a using method thereof.

Background

EPP is the abbreviation of expanded polypropylene, is a short for novel bead foamed plastic, EPP is a high-crystallization polymer gas composite material with excellent performance, becomes the fastest environment-friendly novel compression-resistant buffering heat-insulating material at present with unique and superior performance, and is also an environment-friendly material which can be recycled, can be naturally degraded and cannot cause white pollution. The equipment used in the EPP production process is an EPP forming machine.

The existing energy system of the EPP foaming and forming machine comprises three parts, namely a steam pipeline system, an air pipeline system and a cooling water pipeline system, wherein the air pipeline system also comprises an exhaust pipeline for exhausting the gas of a mold cavity of the mold so as to adjust the pressure of the mold cavity of the mold.

The existing EPP foaming forming machine has the defects that the traditional equipment controls the three systems in a partition mode, and basically pipelines are not shared, so that the pipelines and control valves of an equipment body are complicated, the equipment assembly difficulty is high, the control logic is complex, and the reliability of the whole system is low.

Disclosure of Invention

The invention provides a central energy distributor of a forming machine and a using method thereof, aiming at solving the problems of complicated pipelines of a machine body of the forming machine and high assembling difficulty caused by the fact that the current energy system of the forming machine supplies energy by independently using pipelines.

In order to achieve the purpose, the invention adopts the following technical scheme:

the central energy distributor of the forming machine comprises a shell, wherein a steam input end is arranged on one side of the shell, a first cavity communicated with the steam input end is formed in the shell, a steam output end is arranged on the opposite side of the steam input end of the shell, a plurality of channels communicated with the first cavity are formed on two sides of the first cavity, steam enters the first cavity and then enters the channels formed on the two sides of the first cavity, a proportional control valve used for controlling the opening and closing of each channel is respectively installed on each channel, and a plurality of steam output ends are respectively communicated with a fixed die and a moving die of a forming machine die;

the steam generator is characterized in that a second cavity is further formed in the shell, an air interface is arranged on the shell on one side of the second cavity, two sides of the second cavity are communicated with a channel on the side surface of the first cavity respectively, a proportional control valve for controlling the channel to be opened and closed is mounted on the side surface of the second cavity, and the second cavity is communicated with the steam output end through the channel.

A molding machine is provided with any one of the molding machine central energy distributor.

The use method of the central energy distributor of the molding machine comprises the following steps:

(1) steam heating, namely selectively opening a proportional control valve of the side surface of the first cavity corresponding to the moving mold cavity or a proportional control valve of the side surface of the fixed mold cavity according to the performance requirement of the product, closing all proportional control valves at two sides of the second cavity, and closing all proportional control valves in the exhaust cavity to respectively heat the product in the moving mold cavity or the product in the fixed mold cavity;

(2) air is fed, the proportional control valves on the side surfaces of all the first chambers are closed, the proportional control valves in all the exhaust chambers are closed, and the proportional control valves on the side surfaces of the second chambers are opened;

(3) and exhausting, closing all the proportional control valves on the side surfaces of the first chambers, opening the proportional control valves on the exhaust chambers corresponding to the steam output ends according to the product condition in the fixed die cavity or the moving die cavity, and closing the proportional control valves on the side surfaces of the second chambers.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides a central energy distributor of a forming machine, which has the functions of quantitatively and accurately conveying steam of an external steam source into a fixed die cavity and a moving die cavity of a die respectively to realize heating; secondly, the air can be quantitatively and accurately conveyed into a fixed die cavity and a moving die cavity of the die respectively, so that the product is cooled; the third action is to adjust the air pressure in the fixed die cavity and the moving die cavity of the die, namely the air in the die cavity can be discharged; the invention ensures that the matching performance of the pipeline system of the forming machine and the rack is higher, and the numerous and complicated pipeline systems in the equipment are reduced, so that the forming machine has a compact structure, the material cost of the pipeline system part is greatly reduced, the maintenance cost of the pipeline system is reduced, and meanwhile, the assembly difficulty and the control logic difficulty of the pipeline system part of the equipment are reduced;

the central energy distributor of the forming machine provided by the invention has the advantages of simple structure, clear operation logic and high value of batch manufacturing;

the number of the existing molding machine is two, the invention only uses one silencer, and the silencer can design the power according to the flow rate of gas/liquid, so the invention only uses one silencer and can not reduce the silencing effect. Through the distribution control of the central energy distributor, the number of control valves is reduced, the total pipeline length of the whole machine is greatly reduced, and finally the assembly difficulty, the control logic difficulty and the cost of equipment are reduced.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a perspective view of a central energy distributor of a molding machine according to the present invention;

FIG. 2 is a bottom view of the central energy distributor of the molding machine of the present invention;

FIG. 3 is a rear view of the central energy distributor of the molding machine of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3 according to the present invention;

FIG. 5 is a side view of a central energy distributor of the molding machine of the present invention;

FIG. 6 is a cross-sectional view B-B of FIG. 5;

fig. 7 is a cross-sectional view taken along line C-C of fig. 5.

The reference numbers in the figure are sequentially shell 1, steam input end 11, first chamber 12, steam output end 13, second chamber 14, air interface 141, channel 15, exhaust interface 16, exhaust chamber 161, partition plate 162, mounting seat 17 and valve hole 2.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the drawings and the detailed implementation mode:

example 1

In this embodiment, as shown in fig. 1 to 3, the central energy distributor of the molding machine includes a housing 1, the housing 1 may be a hexahedral structure as a whole, one side of the housing 1 is a steam input end 11, the steam input end is connected to a steam pipeline outside the central energy distributor of the molding machine, a first chamber 12 formed inside the housing 1 is located at a lower portion of the steam input end 11, as shown in fig. 4, steam enters the first chamber 12 from the steam input end 11 for storage, a steam output end 13 is located on an opposite side of the steam input end 11 of the housing 1, the steam input end 11 is a flange, and a diameter of the steam input end 11 is greater than a diameter of the steam output end 13. After entering the first chamber 12, the steam enters a plurality of channels 15 formed on both sides of the first chamber 12, and the channels 15 may be formed by disposing partitions 162 in the inner cavity of the housing 1. In this embodiment, two channels 15 are respectively formed on two sides of the first cavity 12, the channel 15 on one side conveys steam into a moving mold cavity of a mold (the mold is not shown in the figure), the two channels 15 on the other side correspond to a mold cavity of a fixed mold of the mold, in order to control steam, a valve hole 2 is formed on a side wall of each channel 15, a proportional control valve located on a side surface of the housing 1 is installed in each valve hole 2, as shown in fig. 5, the proportional control valve is located on the housing 1, specifically, holes are drilled on two side surfaces of the first cavity 12, the proportional control valve penetrates through the outer wall of the housing 1 and then penetrates through the channel 15 to extend into the hole and block the hole, the proportional control valves are all installed in the same way, steam output quantity in the channels 15 can be respectively controlled through the proportional control valves, steam quantity can be accurately provided according to specific pressure required by material molding, and, the production cost can be controlled to a certain extent, and the EPP material is formed; meanwhile, the number of the steam output ends 13 is four, and the four steam output ends are respectively used for being communicated with a fixed die and a moving die of a mold of the molding machine, in the embodiment, each steam output end 13 corresponds to one channel 15 and is communicated into the first cavity 12, so that the control of a proportional control valve is facilitated; the inside second cavity 14 that has still seted up of casing 1, second cavity 14 is used for holding the air of seting up the air interface 141 input in second cavity 14 one side, in order to be convenient for control the cooling respectively to the mould shifting and the cover half die cavity of mould, the both sides of second cavity 14 and the passageway 15 intercommunication of first cavity 12 side, because first cavity 12 side has one or two passageways 15, a hole has been seted up respectively to the both sides of second cavity 14, it can with passageway 15 intercommunication, valve opening 2 is seted up equally to each passageway 15, install the proportional control valve in the valve opening 2, the proportional control valve stretches into the hole of second cavity 14 wall, second cavity 14 communicates with steam output end 13 through passageway 15 to carry the air respectively to the mould intracavity of mould cover half and mould shifting. In order to facilitate the detection of the pressure and temperature conditions of the first chamber 12, a temperature sensor and a pressure sensor interface (not shown in the figure) are provided on the housing outside the first chamber 12, and meanwhile, a temperature sensor and a pressure sensor interface are also provided on the inner walls of the channel 15 in the second chamber 14 and the housing, and the positions of the interfaces are reasonably selected according to the actual shape of the housing.

Furthermore, the housing 1 is further provided with two exhaust interfaces 16, the exhaust interfaces 16 are installed at the position of the housing 1 close to the steam output end 13, one of the exhaust interfaces 16 is communicated with the channel 15 at the side of the first chamber 12 through an exhaust cavity 161 formed at the side of the housing 1 so as to be communicated with the fixed mold cavity, and the other exhaust interface 16 is communicated with the channel 15 at the other side of the first chamber 12 through another exhaust cavity 161 formed at the side of the housing 1 so as to be communicated with the moving mold cavity; each exhaust cavity 161 is correspondingly connected with two steam output ends 13, and each steam output end 13 is correspondingly provided with a proportional control valve which is arranged on the shell 1 and is positioned in the exhaust cavity 161.

Further, in order to facilitate the fixed installation, the outer wall of the housing 1 is extended outward to form an installation seat 17, and an installation hole for installing a bolt is opened on the installation seat 17.

Further, both exhaust ports 16 are connected to a muffler, and the present invention uses only one muffler, and since the muffler can design its power according to the flow rate of gas/liquid, the present invention uses only one muffler and does not reduce the muffling effect.

The invention also claims a forming machine provided with any one of the forming machine central energy distributor.

The invention also provides a using method of the central energy distributor of the forming machine, which comprises the following using steps:

(1) steam heating, namely selecting the product heating requirement according to the performance requirement of the product, selectively opening a proportional control valve of the side surface of the first cavity 12 corresponding to the moving die cavity or a proportional control valve of the fixed die cavity, closing the proportional control valves of the two sides of all the second cavities 14, closing the proportional control valves in all the exhaust cavities 161, allowing steam to enter a steam input end 11 from a steam source, and respectively outputting the steam from a steam output end 13 under the control of the proportional control valves so as to respectively heat the side surfaces of the product in the moving die cavity or the product in the fixed die cavity;

(2) air is fed, in the step, all the proportional control valves on the side surfaces of the first chambers 12 need to be closed, all the proportional control valves in the exhaust chambers 161 need to be closed, the proportional control valves on the side surfaces of the second chambers 14 need to be opened, and the air enters the air interface 141 of the shell 1 from an external air source and enters the movable mold cavity or the fixed mold cavity from the steam output end 13 to respectively cool the side surfaces of the products in the mold cavities;

(3) and in the step of exhausting, all the proportional control valves on the side surfaces of the first chambers 12 need to be closed, the proportional control valve on the exhaust chamber 161 corresponding to the steam output end 13 is opened according to the pressure intensity in the fixed mold cavity or the moving mold cavity, and the proportional control valve on the side surface of the second chamber 14 is closed, so that the pressure intensity in the mold cavity is adjusted. The three steps are not in sequence, and can be adjusted according to the product processing condition in the die cavity of the die.

Example 2

The central energy distributor of the forming machine in this embodiment is substantially the same as that in embodiment 1, except that in this embodiment, two channels 15 are respectively formed at two sides of the first cavity 12, the channels 15 extend from the side surface of the second cavity 14 to the steam output end 13, a partition plate 162 is arranged between the channels 15, a valve hole 2 is formed on the side wall of each channel 15, and a proportional control valve located at the side surface of the housing 1 is installed on each valve hole 2. And two sides of the second cavity 14 are provided with a hole communicated with the channel 15, so that air is fed into the cavity of the mold through the steam output end 13.

The method for using the central energy distributor of the molding machine of this embodiment is also the same as that of embodiment 1, and the description thereof is omitted.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (9)

1. The forming machine central energy distributor comprises a shell and is characterized in that a steam input end is arranged on one side of the shell, a first cavity communicated with the steam input end is formed in the shell, a steam output end is arranged on the opposite side of the steam input end of the shell, a plurality of channels communicated with the first cavity are formed on two sides of the first cavity, proportional control valves used for controlling the opening and closing of the channels are respectively installed on each channel, and a plurality of steam output ends are respectively communicated with a fixed die and a moving die of a forming machine die;

the steam generator is characterized in that a second cavity is further formed in the shell, an air interface is arranged on the shell on one side of the second cavity, two sides of the second cavity are communicated with a channel on the side surface of the first cavity respectively, a proportional control valve for controlling the channel to be opened and closed is mounted on the side surface of the second cavity, and the second cavity is communicated with the steam output end through the channel.

2. The molding machine central energy distributor of claim 1, wherein the number of steam outputs is four, two of the steam outputs being adapted to communicate with the mold cavity of the stationary mold and the other two steam outputs being adapted to communicate with the mold cavity of the moving mold.

3. The machine central energy distributor of claim 2, wherein two channels are formed on either side of the first chamber, each channel having a proportional control valve mounted on a side of the housing.

4. The machine central energy distributor of claim 2, wherein the first chamber has a channel formed on each side thereof, a partition is disposed between the channels, and a proportional control valve is mounted on each channel and located on a side of the housing.

5. The machine central energy distributor of claim 4, wherein the housing further comprises two exhaust ports, one of the exhaust ports is connected to the two steam outlets through an exhaust cavity formed in a side surface of the housing, the other exhaust port is connected to the other two steam outlets through another exhaust cavity formed in a side surface of the housing, and each steam outlet is associated with a proportional control valve mounted on the housing and located in the exhaust cavity.

6. The machine central energy distributor of any one of claims 1-5, wherein the housing outer wall is provided with a mounting seat.

7. The molding machine central energy distributor of claim 6, wherein both exhaust ports are connected to a muffler.

8. A molding machine equipped with a molding machine central energy distributor according to any one of claims 1 to 7.

9. The using method of the central energy distributor of the forming machine is characterized by comprising the following steps:

(1) steam heating, namely selectively opening a proportional control valve of the side surface of the first cavity corresponding to the moving mold cavity or a proportional control valve of the side surface of the fixed mold cavity according to the performance requirement of the product, closing all proportional control valves at two sides of the second cavity, and closing all proportional control valves in the exhaust cavity to respectively heat the product in the moving mold cavity or the product in the fixed mold cavity;

(2) air is fed, the proportional control valves on the side surfaces of all the first chambers are closed, the proportional control valves in all the exhaust chambers are closed, and the proportional control valves on the side surfaces of the second chambers are opened;

(3) and exhausting, closing all the proportional control valves on the side surfaces of the first chambers, opening the proportional control valves on the exhaust chambers corresponding to the steam output ends according to the product condition in the fixed die cavity or the moving die cavity, and closing the proportional control valves on the side surfaces of the second chambers.

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