CN202702561U - Large energy-saving injection molding machine - Google Patents
Large energy-saving injection molding machine Download PDFInfo
- Publication number
- CN202702561U CN202702561U CN 201220442776 CN201220442776U CN202702561U CN 202702561 U CN202702561 U CN 202702561U CN 201220442776 CN201220442776 CN 201220442776 CN 201220442776 U CN201220442776 U CN 201220442776U CN 202702561 U CN202702561 U CN 202702561U
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- CN
- China
- Prior art keywords
- circuit
- main circuit
- injection molding
- molding machine
- contactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a large energy-saving injection molding machine, which comprises a main circuit, wherein the main circuit comprises a first circuit and a second circuit, wherein the first circuit comprises a first alternating current contactor and a second alternating current contactor, which are connected in series, a frequency converter is connected between the first alternating current contactor and the second alternating current contactor in series, the second circuit is connected with a third alternating current contactor in series, after the first circuit and the second circuit are connected in parallel, the main circuit is formed, one end of the main circuit is connected with an oil pump, and the other end of the main circuit is connected with a power supply. According to the large energy-saving injection molding machine provided by the utility model, a working mode at variable frequency or power frequency is adopted in different processes of the injection molding machine, so that energy waste in a working process is avoided, the energy consumption of the injection molding machine is reduced, the energy-saving effect is remarkable, and the production cost is reduced.
Description
Technical field
The utility model relates to a kind of large size plastic jetting-moulding device, particularly a kind of large-scale energy-saving injection machine.
Background technology
As everyone knows, injection machine is the capital equipment to various plastics processings, by plastic grain is carried out multistage temperature heating in double-screw injection molding machine, after supercharging is stirred in melting the fluid material is injected in the mold cavity, finishes processing and forming.When producing large product, can use large-scale injection machine, large size plastic jetting-moulding device oil pump power is large, in the injection machine course of work, pressure and the time of a lot of operations are all different, work under power frequency, the power consumption of large size plastic jetting-moulding device is very huge, a lot of power consumptions are wasted, and this has just increased and has caused energy waste, has increased production cost.
The utility model content
The technical problem that (one) will solve
The technical problems to be solved in the utility model provides a kind of large-scale energy-saving injection machine that power frequency and frequency conversion two states are arranged.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of large-scale energy-saving injection machine, comprise main circuit, described main circuit comprises the first circuit and second circuit, described the first circuit comprises the first A.C. contactor QM1 and the second A.C. contactor QM2 that is cascaded, be in series with frequency converter 1 between described first-class contactor QM1 and the second A.C. contactor QM2, be in series with the 3rd A.C. contactor QM3 on the described second circuit, form main circuit after described the first circuit and the second circuit parallel connection, described main circuit one end connects oil pump 2, and the other end connects power supply.
Further, between described main circuit and power supply, be in series with air switch QK.
(3) beneficial effect
The utility model large-scale energy-saving injection machine in the different operation of injection machine, adopts the mode of operation of frequency conversion or power frequency, has avoided energy waste in the course of the work, has reduced the power consumption of injection machine, and power savings is obvious, has reduced production cost.
Description of drawings
Fig. 1 is the circuit diagram of the utility model large-scale energy-saving injection machine.
The specific embodiment
Consult Fig. 1, the utility model provides a kind of large-scale energy-saving injection machine, comprise main circuit, this main circuit is comprised of the first circuit and the second circuit of parallel connection, the first circuit comprises the first A.C. contactor QM1 and the second A.C. contactor QM2 that is cascaded, be in series with frequency converter 1 between first-class contactor QM1 and the second A.C. contactor QM2, be in series with the 3rd A.C. contactor QM3 on the second circuit, main circuit one end connects oil pump 2, the other end connects power supply, is in series with air switch between power supply and main circuit.The utility model large-scale energy-saving injection machine in the different operation of injection machine, adopts the mode of operation of frequency conversion or power frequency, has avoided energy waste in the course of the work, has reduced the power consumption of injection machine, and power savings is obvious, has reduced production cost.
The above only is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (2)
1. large-scale energy-saving injection machine, comprise main circuit, it is characterized in that: described main circuit comprises the first circuit and second circuit, described the first circuit comprises the first A.C. contactor (QM1) and the second A.C. contactor (QM2) that is cascaded, be in series with frequency converter (1) between described first-class contactor (QM1) and the second A.C. contactor (QM2), be in series with the 3rd A.C. contactor (QM3) on the described second circuit, form main circuit after described the first circuit and the second circuit parallel connection, described main circuit one end connects oil pump (2), and the other end connects power supply.
2. large-scale energy-saving injection machine as claimed in claim 1 is characterized in that: be in series with air switch (QK) between described main circuit and power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442776 CN202702561U (en) | 2012-08-31 | 2012-08-31 | Large energy-saving injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442776 CN202702561U (en) | 2012-08-31 | 2012-08-31 | Large energy-saving injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202702561U true CN202702561U (en) | 2013-01-30 |
Family
ID=47582897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220442776 Expired - Fee Related CN202702561U (en) | 2012-08-31 | 2012-08-31 | Large energy-saving injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202702561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763912A (en) * | 2019-10-30 | 2020-02-07 | 中铁科学研究院有限公司 | Power saving rate verification method of main line type power saving equipment in construction power distribution system |
-
2012
- 2012-08-31 CN CN 201220442776 patent/CN202702561U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763912A (en) * | 2019-10-30 | 2020-02-07 | 中铁科学研究院有限公司 | Power saving rate verification method of main line type power saving equipment in construction power distribution system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20150831 |
|
| EXPY | Termination of patent right or utility model |