CN212636478U - Accurate energy-conserving injection moulding pressurizer - Google Patents
Accurate energy-conserving injection moulding pressurizer Download PDFInfo
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- CN212636478U CN212636478U CN202021363846.9U CN202021363846U CN212636478U CN 212636478 U CN212636478 U CN 212636478U CN 202021363846 U CN202021363846 U CN 202021363846U CN 212636478 U CN212636478 U CN 212636478U
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- injection molding
- molding machine
- pressure maintaining
- gate valve
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Abstract
The utility model discloses an accurate energy-saving injection molding pressurizer, which comprises an injection molding machine body, a gate valve and a pressurizing mechanism, wherein a plastic runner is arranged in the injection molding machine body, one end of the plastic runner is an injection molding machine outlet, and the other end of the plastic runner is an injection molding machine inlet; the outlet of the injection molding machine is connected with a nozzle, and the inlet of the injection molding machine is connected with an injection molding material pipe group; the gate valve is arranged on the plastic runner; a pressure maintaining mechanism is arranged between the outlet of the injection molding machine and the gate valve in the plastic flow channel; the pressure maintaining mechanism comprises a pressure maintaining plunger, a spring and a push rod, the pressure maintaining mechanism is communicated with a plastic runner of the injection molding machine body, the pressure maintaining plunger is arranged at the joint, and the spring is connected with the pressure maintaining plunger through the push rod. The accurate energy-saving injection molding pressurizer utilizes the self telescopic force of the spring to provide power, and performs pressure maintaining work on the injection molding machine body without increasing extra energy consumption, thereby saving energy and reducing cost.
Description
Technical Field
The utility model relates to an injection molding machine technical field, especially an accurate energy-conserving injection moulding pressurizer.
Background
An injection molding machine is a main molding device for making thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die, and the injection molding machine can heat the plastics and apply high pressure to the molten plastics so as to inject the molten plastics to fill a die cavity of the die.
The injection molding machine is the main production facility of present plastic products, and injection molding machine is after penetrating the glue, will use the pressurizer to carry out the pressurize work to the molten plastics, and present injection molding machine generally uses cylinder or hydro-cylinder as power to exert pressure and do the pressurize work, and the work of cylinder makes equipment increase the energy consumption to make the process flow increase the cost, influenced economic benefits.
SUMMERY OF THE UTILITY MODEL
To the above defect, the utility model aims to provide an accurate energy-conserving injection moulding pressurizer utilizes the concertina power of spring self to provide power, is pressurize work to the injection molding machine, and need not to increase extra energy consumption, thereby has practiced thrift the energy and has reduced the cost.
To achieve the purpose, the utility model adopts the following technical proposal: an accurate energy-saving injection molding pressure maintaining device comprises an injection molding machine body, a gate valve and a pressure maintaining mechanism, wherein a plastic runner is arranged in the injection molding machine body, one end of the plastic runner is an injection molding machine outlet, and the other end of the plastic runner is an injection molding machine inlet;
an injection molding machine outlet of the injection molding machine body is connected with a nozzle, and an injection molding material pipe group is connected with an injection molding machine inlet of the injection molding machine body;
the gate valve is arranged on a plastic runner of the injection molding machine body;
a pressure maintaining mechanism is arranged between the plastic runner of the injection molding machine body and the gate valve;
the pressure maintaining mechanism comprises a pressure maintaining plunger, a spring and a push rod, the pressure maintaining mechanism is communicated with a plastic runner of the injection molding machine body, the pressure maintaining plunger is arranged at the joint, and the spring is connected with the pressure maintaining plunger through the push rod.
Preferably, pressurize mechanism still includes pillar, push pedal and fixed plate, the bottom of pillar with this body coupling of injection molding machine, the pillar movable sleeve have the push pedal with the spring, the push rod passes through the push pedal with the one end of spring is connected, the other end of spring with the fixed plate is connected, the fixed plate is fixed in through the nut the top of pillar.
Preferably, a thrust rod and an anti-collision rod are arranged between the push plate and the fixed plate, the thrust rod is connected with the fixed plate, and the anti-collision rod is connected with the push plate.
Preferably, the struts are provided with cooling plates.
Preferably, the outer wall of the plastic runner of the injection molding machine body is provided with a pressure maintaining body.
Preferably, the gate valve comprises a gate valve rod and a gate valve oil cylinder, the gate valve rod is communicated with the plastic runner of the injection molding machine body, and the output end of the gate valve oil cylinder is connected with the gate valve rod.
Preferably, an injection molding machine inlet of the injection molding machine body is connected with the injection molding material pipe group through a connecting flange.
Preferably, the pressure maintaining mechanism comprises a plurality of springs, and the springs are uniformly distributed on the surface of the push plate.
The utility model has the advantages that: the accurate energy-saving injection molding pressurizer utilizes the self telescopic force of the spring to provide power, and performs pressure maintaining work on the injection molding machine body without increasing extra energy consumption, thereby saving energy and reducing cost.
When the injection molding machine injects glue, the gate valve is opened, and the plastic is injected into the plastic runner from the inlet of the injection molding machine through the injection molding material pipe group and then is injected into a mold through a nozzle positioned at the outlet of the injection molding machine; as injection pressure increases, the hold pressure plunger pushes back and compresses the spring through the push rod, accumulating the force of the hold pressure. And after the injection of the glue is finished, the gate valve is closed, so that the plastic runner is cut off, a pressure maintaining cavity is formed between the mold and the cutting opening, and the pressure maintaining plunger extends out of the plastic runner under the action of the spring to push the plastic to enter the mold, so that the pressure maintaining function is realized. Meanwhile, the injection molding material pipe group is used for preparing the next cycle of injection molding.
Drawings
Fig. 1 is a front view of a glue-injecting state according to an embodiment of the present invention;
fig. 2 is a top view of a glue-shot state in an embodiment of the invention;
fig. 3 is a schematic structural diagram of a pressure maintaining state according to an embodiment of the present invention.
Wherein: 1, an injection molding machine body; 2, a gate valve; 3, a pressure maintaining mechanism; 11 a plastic runner; 12, an outlet of the injection molding machine; 13 inlet of injection molding machine; 21 a gate valve stem; 22 gate valve oil cylinders; 31 pressure maintaining plunger; 32 springs; 33 a push rod; 34 a support pillar; 35 a push plate; 36 fixing the plate; 37 a thrust rod; 38 crash bars; 39 cooling the plate; 111 a pressure maintaining body; 121 nozzles; 131 injection molding a material pipe group; 132 are connected to the flanges.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
An accurate energy-saving injection molding pressure maintaining device comprises an injection molding machine body 1, a gate valve 2 and a pressure maintaining mechanism 3, wherein a plastic runner 11 is arranged in the injection molding machine body 1, one end of the plastic runner 11 is an injection molding machine outlet 12, and the other end of the plastic runner 11 is an injection molding machine inlet 13;
an injection molding machine outlet 12 of the injection molding machine body 1 is connected with a nozzle 121, and an injection molding machine inlet 13 of the injection molding machine body 1 is connected with an injection molding material pipe group 131;
the gate valve 2 is arranged on a plastic runner 11 of the injection molding machine body 1;
a pressure maintaining mechanism 3 is arranged between the plastic runner 11 of the injection molding machine body 1 and the gate valve 2 and at the injection molding machine outlet 12 of the injection molding machine body 1;
the pressure maintaining mechanism 3 comprises a pressure maintaining plunger 31, a spring 32 and a push rod 33, the pressure maintaining mechanism 3 is communicated with the plastic runner 11 of the injection molding machine body 1, the pressure maintaining plunger 31 is arranged at the joint, and the spring 32 is connected with the pressure maintaining plunger 31 through the push rod 33.
The accurate energy-saving injection molding pressurizer utilizes the self telescopic force of the spring 32 to provide power, and performs pressure maintaining work on the injection molding machine body 1 without increasing additional energy consumption, thereby saving energy and reducing cost.
When the injection molding machine injects glue, the gate valve 2 is opened, and the plastic is injected into the plastic runner 11 from the injection molding machine inlet 13 through the injection molding material pipe group 131 and then is injected into a mold through the nozzle 121 positioned at the injection molding machine outlet 12; as the injection pressure increases, the holding pressure plunger 31 pushes back and compresses the spring 32 by the push rod 33, thereby accumulating the holding pressure as power. And after the injection of the plastic is finished, the gate valve 2 is closed, so that the plastic runner is cut off, a pressure maintaining cavity is formed between the mold and the cutting opening, the pressure maintaining plunger 31 extends towards the plastic runner 11 under the action of the spring 32 to push the plastic to enter the mold, the pressure maintaining function is realized, and meanwhile, the injection molding material pipe group 131 is used for preparing the injection of the plastic in the next period.
Preferably, the pressure maintaining mechanism 3 further comprises a support column 34, a push plate 35 and a fixing plate 36, the bottom end of the support column 34 is connected with the injection molding machine body 1, the support column 34 is movably sleeved with the push plate 35 and the spring 32, the push rod 33 is connected with one end of the spring 32 through the push plate 35, the other end of the spring 32 is connected with the fixing plate 36, and the fixing plate 36 is fixed at the top end of the support column 34 through a nut.
Because the other end of the spring 32 is fixed at the top end of the pillar 34 through the fixing plate 36, the injection molding machine finishes injecting glue, and one end of the spring 32 pushes the push plate 35 to move along the pillar 34 so as to push the push rod 33 to move, so that the pressure maintaining plunger 31 moves towards the plastic runner 11, and the pressure maintaining action is completed.
Preferably, a thrust rod 37 and an anti-collision rod 38 are arranged between the push plate 35 and the fixed plate 36, the thrust rod 37 is connected with the fixed plate 36, and the anti-collision rod 38 is connected with the push plate 35.
The thrust rod 37 and bumper rod 38 prevent over-compression of the spring 32. When the spring 32 is compressed to a certain extent, the thrust rod 37 and the crash bar 38 are in contact, preventing the spring 32 from being further compressed, thereby preventing the pressure maintaining mechanism 3 from being excessively compressed to cause damage.
Preferably, the struts 34 are provided with cooling plates 39.
When the spring 32 of the pressure maintaining mechanism 3 is frequently stretched and contracted, a large amount of heat is generated by friction of the support column 34, and the cooling plate 39 can cool the support column 34 to prevent the support column 34 from being too hot.
Preferably, the outer wall of the plastic runner 11 of the injection molding machine body 1 is provided with a pressure maintaining body 111.
The pressure maintaining body 111 is arranged on the outer wall of the plastic runner 11, so that the plastic runner 11 can be prevented from being deformed when being filled with plastic, and the injection molding precision of the injection molding machine is improved.
Preferably, the gate valve 2 comprises a gate valve rod 21 and a gate valve cylinder 22, the gate valve rod 21 is communicated with the plastic runner 11 of the injection molding machine body 1, and the output end of the gate valve cylinder 22 is connected with the gate valve rod 21.
The gate valve oil cylinder 22 controls the extension and retraction of the gate valve rod 21, so as to control the connection and disconnection of the plastic runner 11 of the injection molding machine body 1 and the injection molding machine inlet 13 of the injection molding machine body 1. When the injection molding machine injects glue, the gate valve rod 21 contracts, the plastic runner 11 is communicated with the inlet 13 of the injection molding machine, and the plastic enters the plastic runner 11; when the injection molding is finished and the gate valve rod 21 extends, a part of the gate valve rod 21 extends into the plastic runner 11 and cuts off the plastic runner 11, so that the plastic is prevented from entering the plastic runner 11.
Preferably, the injection machine inlet 13 of the injection machine body 1 is connected to the injection material pipe set 131 via a connecting flange 132.
Installation is more flexible with the attachment flange 132 and no leakage occurs.
Preferably, the pressure maintaining mechanism 3 includes a plurality of springs 32, and the plurality of springs 32 are uniformly distributed on the surface of the push plate 35.
The plurality of springs 32 work to force the push plate 35 evenly and to improve the hold pressure effect.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. An accurate energy-saving injection molding pressure maintaining device comprises an injection molding machine body, a gate valve and a pressure maintaining mechanism, wherein a plastic runner is arranged in the injection molding machine body, one end of the plastic runner is an injection molding machine outlet, and the other end of the plastic runner is an injection molding machine inlet;
an injection molding machine outlet of the injection molding machine body is connected with a nozzle, and an injection molding material pipe group is connected with an injection molding machine inlet of the injection molding machine body;
the method is characterized in that:
the gate valve is arranged on a plastic runner of the injection molding machine body;
a pressure maintaining mechanism is arranged between the plastic runner of the injection molding machine body and the gate valve;
the pressure maintaining mechanism comprises a pressure maintaining plunger, a spring and a push rod, the pressure maintaining mechanism is communicated with a plastic runner of the injection molding machine body, the pressure maintaining plunger is arranged at the joint, and the spring is connected with the pressure maintaining plunger through the push rod.
2. The precise energy-saving injection molding pressurizer of claim 1, wherein: the pressurize mechanism still includes pillar, push pedal and fixed plate, the bottom of pillar with this body coupling of injection molding machine, the pillar movable sleeve have the push pedal with the spring, the push rod passes through the push pedal with the one end of spring is connected, the other end of spring with the fixed plate is connected, the fixed plate is fixed in through the nut the top of pillar.
3. The precise energy-saving injection molding pressurizer of claim 2, wherein: the anti-collision device is characterized in that a thrust rod and an anti-collision rod are arranged between the push plate and the fixed plate, the thrust rod is connected with the fixed plate, and the anti-collision rod is connected with the push plate.
4. The energy-saving precision injection molding pressurizer of claim 3, wherein: the struts are provided with cooling plates.
5. The energy-saving precision injection molding pressurizer of claim 4, wherein: and the outer wall of the plastic runner of the injection molding machine body is provided with a pressure maintaining body.
6. The energy-saving precision injection molding pressurizer of claim 5, wherein: the gate valve comprises a gate valve rod and a gate valve oil cylinder, the gate valve rod is communicated with the plastic runner of the injection molding machine body, and the output end of the gate valve oil cylinder is connected with the gate valve rod.
7. The energy-saving precision injection molding pressurizer of claim 6, wherein: and an injection molding machine inlet of the injection molding machine body is connected with the injection molding material pipe group through a connecting flange.
8. The precise energy-saving injection molding pressurizer of claim 7, wherein: the pressure maintaining mechanism comprises a plurality of springs which are uniformly distributed on the surface of the push plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021363846.9U CN212636478U (en) | 2020-07-13 | 2020-07-13 | Accurate energy-conserving injection moulding pressurizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021363846.9U CN212636478U (en) | 2020-07-13 | 2020-07-13 | Accurate energy-conserving injection moulding pressurizer |
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| CN212636478U true CN212636478U (en) | 2021-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023163208A1 (en) * | 2022-02-28 | 2023-08-31 | 日精エー・エス・ビー機械株式会社 | Dwelling device, injection device, and injection method for resin material |
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2020
- 2020-07-13 CN CN202021363846.9U patent/CN212636478U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023163208A1 (en) * | 2022-02-28 | 2023-08-31 | 日精エー・エス・ビー機械株式会社 | Dwelling device, injection device, and injection method for resin material |
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