CN218749247U - Air passage control device of hollow plastic forming machine - Google Patents
Air passage control device of hollow plastic forming machine Download PDFInfo
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- CN218749247U CN218749247U CN202222869661.0U CN202222869661U CN218749247U CN 218749247 U CN218749247 U CN 218749247U CN 202222869661 U CN202222869661 U CN 202222869661U CN 218749247 U CN218749247 U CN 218749247U
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Abstract
The utility model discloses a gas circuit control device of a hollow plastic molding machine, which comprises a main gas inlet pipeline, wherein a gas charging and discharging device, a side blowing device and an action cylinder control device are connected in parallel on the main gas inlet pipeline; the inflation and exhaust device comprises an inflation and exhaust pipeline connected with the main air inlet pipeline, a first pressure reducing valve is mounted on the inflation and exhaust pipeline, an inflation control device is connected between the first pressure reducing valve and the inflation inlet, and an exhaust device is connected between the inflation inlet and the inflation control device; the side-blowing device comprises a side-blowing pipeline, a side-blowing pressure reducing valve and a side-blowing electromagnetic directional valve; the action cylinder control device comprises an action cylinder control pipeline, and an action pressure reducing valve, an air cylinder control electromagnetic directional valve and an action cylinder are installed on the action cylinder control pipeline; the gas circuit control device can control the high-pressure gas to work in cooperation with the working process of the plastic forming machine, so that the stability and the accuracy of the production process are ensured; meanwhile, the air channels of the plastic molding machine are controlled in a centralized manner, so that the management and the allocation are convenient.
Description
Technical Field
The utility model relates to a plastic molding machine technical field especially relates to a cavity plastic molding machine gas circuit controlling means.
Background
In the working process of the hollow plastic molding machine, a bottom blowing or side blowing mode is needed for molding the plastic container, and high-pressure gas is blown into the material blank to enable the material blank to be tightly attached to the inner surface of the mold, so that the plastic container matched with the mold is molded. How to precisely and reasonably control the work of the high-pressure gas is a key factor related to the quality of the finished plastic product.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a cavity plastic molding machine gas circuit controlling means of reasonable control high-pressure gas work is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the air circuit control device of the hollow plastic molding machine comprises a main air inlet pipeline, wherein an air charging and exhausting device, a side blowing device and an action cylinder control device are connected to the main air inlet pipeline in parallel;
the air charging and discharging device comprises an air charging and discharging pipeline connected with the main air inlet pipeline, a first pressure reducing valve is installed on the air charging and discharging pipeline, an air charging control device is connected between the first pressure reducing valve and an air charging port, and an air discharging device is connected between the air charging port and the air charging control device;
the side blowing device comprises a side blowing pipeline connected with the main air inlet pipeline, and a side blowing pressure reducing valve and a side blowing electromagnetic directional valve are sequentially arranged on the side blowing pipeline;
the action cylinder control device comprises an action cylinder control pipeline connected with the main air inlet pipeline, an action pressure reducing valve is installed on the action cylinder control pipeline, the action pressure reducing valve is connected with a plurality of action cylinder control branches in parallel, each action cylinder control branch is provided with an air cylinder control electromagnetic directional valve, and each air cylinder control electromagnetic directional valve is correspondingly connected with an action cylinder.
As a preferred technical solution, the inflation control device comprises a first control pipeline and a second control pipeline which are connected in parallel; the first control pipeline is sequentially connected with a first electromagnetic directional valve and a first one-way valve;
and the second control pipeline is sequentially connected with a second pressure reducing valve, a second electromagnetic directional valve and a second one-way valve.
As a preferable technical solution, the exhaust device includes an exhaust pipe, and an exhaust change valve and a muffler are mounted on the exhaust pipe.
As a preferred technical scheme, the action pressure reducing valve is connected with three action cylinder control branches in parallel, each action cylinder control branch is provided with a cylinder control electromagnetic directional valve, each cylinder control electromagnetic directional valve is correspondingly connected with an action cylinder, and the three action cylinders comprise a side blowing needle insertion driving cylinder, a mold closing sealing driving cylinder and a finished product clamping driving cylinder.
As a preferable technical solution, a filter is installed on the main intake pipeline.
By adopting the technical scheme, the air path control device of the hollow plastic molding machine comprises a main air inlet pipeline, wherein an air charging and exhausting device, a side blowing device and an action cylinder control device are connected in parallel on the main air inlet pipeline; the air charging and discharging device comprises an air charging and discharging pipeline connected with the main air inlet pipeline, a first pressure reducing valve is installed on the air charging and discharging pipeline, an air charging control device is connected between the first pressure reducing valve and an air charging port, and an air discharging device is connected between the air charging port and the air charging control device; the side-blowing device comprises a side-blowing pipeline connected with the main air inlet pipeline, and a side-blowing pressure reducing valve and a side-blowing electromagnetic directional valve are sequentially arranged on the side-blowing pipeline; the action cylinder control device comprises an action cylinder control pipeline connected with the main air inlet pipeline, an action pressure reducing valve is installed on the action cylinder control pipeline, the action pressure reducing valve is connected with a plurality of action cylinder control branches in parallel, an air cylinder control electromagnetic directional valve is installed on each action cylinder control branch, and each air cylinder control electromagnetic directional valve is correspondingly connected with an action cylinder; the gas circuit control device can control the high-pressure gas to work in cooperation with the working process of the plastic forming machine, so that the stability and the accuracy of the production process are ensured; meanwhile, the air channels of the plastic molding machine are controlled in a centralized manner, so that the management and the allocation are convenient.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: 11-a primary air intake line; 12-a filter; 2-a first pressure relief valve; 31-a first electromagnetic directional valve; 32-a first one-way valve; 41-a second pressure reducing valve; 42-a second electromagnetic directional valve; 43-a second one-way valve; 51-an exhaust reversing valve; 52-a muffler; 61-side blow pressure relief valve; 62-side blow electromagnetic directional valve; 71-an action reducing valve; 72-cylinder control electromagnetic directional valve; 73-actuating cylinder.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, the air passage control device of the hollow plastic molding machine comprises a primary air inlet pipeline 11, and a filter 12 is installed on the primary air inlet pipeline 11. The main air inlet pipeline 11 is connected with an air charging and discharging device, a side blowing device and an action cylinder 73 control device in parallel;
the air charging and discharging device comprises an air charging and discharging pipeline connected with the main air inlet pipeline 11, a first pressure reducing valve 2 is installed on the air charging and discharging pipeline, an air charging control device is connected between the first pressure reducing valve 2 and an air charging port, and an air discharging device is connected between the air charging port and the air charging control device; the inflation control device comprises a first control pipeline and a second control pipeline which are connected in parallel; the first control pipeline is sequentially connected with a first electromagnetic directional valve 31 and a first one-way valve 32; and the second control pipeline is sequentially connected with a second pressure reducing valve 41, a second electromagnetic directional valve 42 and a second one-way valve 43.
The exhaust apparatus includes an exhaust pipe on which an exhaust change valve 51 and a muffler 52 are mounted.
The side-blowing device comprises a side-blowing pipeline connected with the main air inlet pipeline 11, and a side-blowing pressure reducing valve 61 and a side-blowing electromagnetic directional valve 62 are sequentially arranged on the side-blowing pipeline;
the control device of the action cylinder 73 comprises an action cylinder 73 control pipeline connected with the main air inlet pipeline 11, an action pressure reducing valve 71 is installed on the action cylinder 73 control pipeline, a plurality of action cylinder 73 control branches are connected in parallel with the action pressure reducing valve 71, an air cylinder control electromagnetic directional valve 72 is installed on each action cylinder 73 control branch, and each air cylinder control electromagnetic directional valve 72 is correspondingly connected with an action cylinder 73.
Specifically, in this embodiment, the action pressure reducing valve 71 is connected in parallel with three action air cylinder 73 control branches, one air cylinder control electromagnetic directional valve 72 is installed on each action air cylinder 73 control branch, each air cylinder control electromagnetic directional valve 72 is correspondingly connected with one action air cylinder 73, and the three action air cylinders 73 include a side blowing needle insertion driving air cylinder, a mold closing sealing driving air cylinder and a finished product clamping driving air cylinder
The air channel control device of the hollow plastic molding machine can realize the following functions:
1. pre-blowing and inflating. The pressure of the charge air can be adjusted by adjusting the first pressure reducing valve 2 and the second pressure reducing valve 41.
2. And (5) exhausting. When the pressure in the mould reaches the upper limit of the set pressure by inflation, the air is immediately exhausted, and when the air pressure is reduced to the lower limit of the set pressure, the air is inflated again. Through a plurality of repeated processes, the stability of the air pressure in the mold is maintained.
3. In general, a blow molding machine adopts a downward blowing mode, if a side blowing mode is needed for some products, namely a driving cylinder and an air needle are added, the air needle is inserted into a blank by the driving cylinder before time setting, and then air is blown by the air needle.
4. Sealing/unsealing. The blank can be sleeved on the charging connector after reaching the blowing system, and a sealing action is needed to realize that the air leakage phenomenon does not occur in the process of charging. Two cylinders are driven to drive a sliding block arranged on a linear guide rail, a sealing plate is arranged on the sliding block to realize sealing action, and opening and sealing are realized by opposite action. The synchronization device keeps synchronization in the processes of sealing and unsealing actions.
5. And (4) clamping. The clamping process comprises clamping in/out and clamping in/out.
The gas circuit control device can control the high-pressure gas to work in cooperation with the working process of the plastic forming machine, so that the stability and the accuracy of the production process are ensured; meanwhile, the air channels of the plastic molding machine are controlled in a centralized manner, so that the management and the allocation are convenient.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Hollow plastic molding machine gas circuit controlling means, its characterized in that: the device comprises a main air inlet pipeline, wherein an air charging and exhausting device, a side blowing device and an action cylinder control device are connected in parallel on the main air inlet pipeline;
the air charging and discharging device comprises an air charging and discharging pipeline connected with the main air inlet pipeline, a first pressure reducing valve is installed on the air charging and discharging pipeline, an air charging control device is connected between the first pressure reducing valve and an air charging port, and an air discharging device is connected between the air charging port and the air charging control device;
the side blowing device comprises a side blowing pipeline connected with the main air inlet pipeline, and a side blowing pressure reducing valve and a side blowing electromagnetic directional valve are sequentially arranged on the side blowing pipeline;
the action cylinder control device comprises an action cylinder control pipeline connected with the main air inlet pipeline, an action pressure reducing valve is installed on the action cylinder control pipeline, the action pressure reducing valve is connected with a plurality of action cylinder control branches in parallel, each action cylinder control branch is provided with an air cylinder control electromagnetic directional valve, and each air cylinder control electromagnetic directional valve is correspondingly connected with an action cylinder.
2. The air circuit control device of the blow molding machine according to claim 1, characterized in that: the inflation control device comprises a first control pipeline and a second control pipeline which are connected in parallel; the first control pipeline is sequentially connected with a first electromagnetic directional valve and a first one-way valve;
and the second control pipeline is sequentially connected with a second pressure reducing valve, a second electromagnetic directional valve and a second one-way valve.
3. The air passage control device of a blow molding machine according to claim 1, characterized in that: the exhaust device comprises an exhaust pipeline, and an exhaust reversing valve and a silencer are installed on the exhaust pipeline.
4. The air passage control device of a blow molding machine according to claim 1, characterized in that: the action pressure reducing valve is connected with three action cylinder control branches in parallel, each action cylinder control branch is provided with an air cylinder control electromagnetic directional valve, each air cylinder control electromagnetic directional valve is correspondingly connected with an action cylinder, and the three action cylinders comprise a side blowing needle insertion driving cylinder, a die assembly sealing driving cylinder and a finished product clamping driving cylinder.
5. The air passage control device of a hollow plastic molding machine as claimed in any one of claims 1 to 4, wherein: and a filter is arranged on the main air inlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222869661.0U CN218749247U (en) | 2022-10-28 | 2022-10-28 | Air passage control device of hollow plastic forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222869661.0U CN218749247U (en) | 2022-10-28 | 2022-10-28 | Air passage control device of hollow plastic forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218749247U true CN218749247U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222869661.0U Active CN218749247U (en) | 2022-10-28 | 2022-10-28 | Air passage control device of hollow plastic forming machine |
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| CN (1) | CN218749247U (en) |
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2022
- 2022-10-28 CN CN202222869661.0U patent/CN218749247U/en active Active
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