CN205326214U - Injection molding machine control circuit and injection molding machine - Google Patents
Injection molding machine control circuit and injection molding machine Download PDFInfo
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- CN205326214U CN205326214U CN201521065264.1U CN201521065264U CN205326214U CN 205326214 U CN205326214 U CN 205326214U CN 201521065264 U CN201521065264 U CN 201521065264U CN 205326214 U CN205326214 U CN 205326214U
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- choke valve
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Abstract
The utility model belongs to the technical field of injection molding machine oil return control circuit technique and specifically relates to an injection molding machine control circuit is related to, include: oil pipe and choke valve return, return oil pipe one end and oil tank intercommunication, the other end passes through this internal oil expenses system intercommunication of choke valve and injection molding machine. The utility model provides an injection molding machine control circuit sets up the choke valve on returning oil pipe, oil flows back to the flow of oil tank in -process in adjustable time oil pipe on the choke valve to the pressure of controlling back in the oil pipe keeps predetermineeing the position, and then has guaranteed injection molding machine oil expenses system and injection molding machine control circuit's stability.
Description
Technical field
This utility model relates to injection machine oil return oil circuit control technical field, especially relates to a kind of machine Control system oil circuit and injection machine。
Background technology
Injection machine, is utilize mould for plastics to make the main former of variously-shaped plastic thermoplastic or thermosetting material, and it is widely used in injection molding technology field。The structure of injection machine includes matched moulds part, penetrates platform part, electrical appliance part and hydraulic part, and its basic functional principle is that electrical appliance part controls hydraulic part and will process raw material and note into matched moulds part, through penetrating platform partial syringe, completes then through plastifying the demoulding。
In prior art, the oil circuit control of injection machine is that the import of oil pump connects with fuel tank, outlet connects with injection machine system, driven by motor oil pump makes the oil in fuel tank enter to system use, and when intrasystem oil mass is too much, intrasystem oil is back in fuel tank by oil return pipe with to be used。
But, in prior art, the oil circuit control of injection machine is in the process used, and intrasystem oil is when oil return pipe flow in fuel tank, owing in oil return pipe, oil is subject to the effect such as back pressure and causes that oil piping system is unstable。
Utility model content
The purpose of this utility model is in that to provide machine Control system oil circuit, to solve the technical problem of the injection machine oil piping system instability existed in prior art。
The machine Control system oil circuit that this utility model provides, including: oil return pipe and choke valve；Oil return pipe one end connects with fuel tank, and the other end is connected by the intrinsic oil system of choke valve and injection machine。
Further, choke valve is proportional throttle valve。
Further, machine Control system oil circuit also includes oil inlet pipe, oil pump, motor and overflow valve；Oil pump electrically connects with motor；One end of oil inlet pipe is connected with fuel tank by oil pump, and the other end connects with the intrinsic oil system of injection machine；Overflow valve is arranged on oil inlet pipe, is used for controlling oil-feed overpressure。
Further, machine Control system oil circuit also includes oil filter；Oil pump is connected with fuel tank by oil filter。
Further, machine Control system oil circuit also includes controller；Choke valve is electrically connected with the controller。
Further, oil inlet pipe and oil return pipe are high-pressure hose。
Further, machine Control system oil circuit also includes oil return sensor；Oil return sensor is arranged on oil return pipe, and oil return sensor is electrically connected with the controller。
Further, oil-feed sensor is also included；Oil-feed sensor is arranged on oil inlet pipe, and oil-feed sensor is electrically connected with the controller。
Further, motor is servomotor。
Further, this utility model also provides for a kind of injection machine, including oil cylinder and machine Control system oil circuit；Oil return pipe one end connects with fuel tank, and the other end connects with oil cylinder。
The machine Control system oil circuit that this utility model provides, in use, oil in fuel tank enter injection machine with oil system, when with the oil mass of oil system too much time, with in oil system by oil return pipe, and be back in fuel tank through the adjustment of choke valve, with to be used。
The machine Control system oil circuit that this utility model provides, oil return pipe arranges choke valve, in choke valve scalable oil return pipe, oil is back to the flow in fuel tank process, thus the pressure controlled in oil return pipe is maintained at predeterminated position, and then ensure that injection machine oil system and the stability of machine Control system oil circuit。
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
The structural representation of the machine Control system oil circuit that Fig. 1 provides for this utility model embodiment。
Accompanying drawing labelling:
1-oil filter；2-motor；3-oil pump；
4-oil inlet pipe；5-oil return pipe；6-overflow valve；
7-choke valve；8-fuel tank。
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model。Additionally, term " first ", " second ", " the 3rd " are only for descriptive purposes, and it is not intended that indicate or hint relative importance。
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals。For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model。
The structural representation of the machine Control system oil circuit that Fig. 1 provides for this utility model embodiment；As it is shown in figure 1, the machine Control system oil circuit that this utility model embodiment provides, including: oil return pipe 5 and choke valve 7；Oil return pipe 5 one end connects with fuel tank 8, and the other end is connected by the intrinsic oil system of choke valve 7 and injection machine。
Wherein, the material of oil return pipe 5 can be multiple, for instance: metal, plastics or rubber etc.。Preferably, the material of oil return pipe 5 adopts high-pressure hose, high-pressure hose can make oil return pipe 5 bear bigger pressure in the process used, thus it is in use excessive and break because bearing pressure to avoid oil return pipe 5, extend the service life of oil return pipe 5, and then extend the service life that machine Control system oil circuit is overall。
The kind of choke valve 7 can be multiple, for instance, different by channel mode, choke valve 7 can adopt through type and angie type；Different by the shape of opening and closing element, choke valve 7 can adopt aciculiform, ditch shape and window shape。Or, choke valve 7 adopts the one in scalable choke valve 7, sleeve type choke valve 7。
The machine Control system oil circuit that the present embodiment provides, in use, oil in fuel tank 8 enter injection machine with oil system, when with the oil mass of oil system too much time, with in oil system by oil return pipe 5, and be back in fuel tank 8 through the adjustment of choke valve 7, with to be used。In the process used, user can pass through to regulate choke valve 7 openings of sizes, thus realizing the speed of system oil-feed。
The machine Control system oil circuit that the present embodiment provides, oil return pipe 5 arranges choke valve 7, in choke valve 7 scalable oil return pipe 5, oil is back to the flow in fuel tank 8 process, thus the pressure controlled in oil return pipe 5 is maintained at predeterminated position, and then ensure that injection machine oil system and the stability of machine Control system oil circuit。
As it is shown in figure 1, on the basis of above-described embodiment, further, choke valve 7 is proportional throttle valve 7。
In the present embodiment, choke valve 7 is set to proportional throttle valve 7, it can when injection machine oil cylinder carries out many actions, pressure in oil return pipe 5 is regulated as required to multiple default values, so that the pressure in oil return pipe 5 is regulated more accurate by choke valve 7, enhance the stability in operation of injection machine oil system, also enhance the suitability of injection machine oil system simultaneously。
As it is shown in figure 1, on the basis of above-described embodiment, further, machine Control system oil circuit also includes oil inlet pipe 4, oil pump 3, motor 2 and overflow valve 5；Shown oil pump 3 electrically connects with motor 2；One end of oil inlet pipe 4 is connected with fuel tank 8 by oil pump 3, and the other end connects with the intrinsic oil system of injection machine；Overflow valve 5 is arranged on oil inlet pipe 4, is used for controlling pressure in oil inlet pipe 4。
Wherein, the kind of overflow valve 5 can be multiple, for instance: direct acting type overflow valve 5 or pilot operated compound relief valve 5 etc.。
The material of oil inlet pipe 4 can be multiple, for instance: metal, plastics or rubber etc.。Preferably, the material of oil inlet pipe 4 adopts high-pressure hose, high-pressure hose can make oil inlet pipe 4 bear bigger pressure in the process used, thus it is in use excessive and break because bearing pressure to avoid oil inlet pipe 4, extend the service life of oil inlet pipe 4, and then extend the service life that machine Control system oil circuit is overall。
The kind of motor 2 can be multiple, for instance, different according to its working power kind, direct current generator 2 or alternating current generator 2 can be adopted。Different with operation principle according to its structure, dc motor, asynchronous motor or synchronous motor can be adopted。
The kind of oil pump 3 can be multiple, for instance: in-line arrangement oil pump 3, monoplunger pump 3 or single-body type oil pump 3 etc.。
In the present embodiment, oil pump 3 electrically connects with motor 2, and motor 2 drives oil pump 3 to operate, and is pumped to oil inlet pipe 4 by the oil in fuel tank 8, under the adjustment effect of overflow valve 5, and is delivered in the use oil system of injection machine for use through oil inlet pipe 4。
In the present embodiment, at oil inlet pipe 4 place, overflow valve 5 is set, user can regulate the flow of oil in oil inlet pipe 4 according to user demand by overflow valve 5, thus the oil mass ensured in injection machine oil system is at default value, and then ensure that machine Control system oil circuit stability in use。
As it is shown in figure 1, on the basis of above-described embodiment, further, also include oil filter 1；Oil pump 3 is connected with fuel tank 8 by oil filter 1。
Wherein, the kind of oil filter 1 can be multiple, for instance, according to its structure, it is possible to adopt screen filter 1, edge type oil filter 1, foldable filter element formula oil filter 1, metal oil filter 1 or magnetic oil filter 1 etc.。
In the present embodiment, oil pump 3 is connected with fuel tank 8 by oil filter 1, thus oil pump 3 can be avoided to suck pollute impurity, and pollution impurity is delivered to in oil system, ensure that the cleannes of system, so that machine Control system oil circuit keeps clean, reduce the impaired probability of machine Control system oil circuit, and then extend the life-span of machine Control system oil circuit。
As it is shown in figure 1, on the basis of above-described embodiment, further, machine Control system oil circuit also includes controller；Choke valve 7 is electrically connected with the controller。
In the present embodiment, realize being automatically adjusted the flow of oil in oil return pipe 5 by arranging controller control choke valve 7, facilitate user and use。
As it is shown in figure 1, on the basis of above-described embodiment, further, oil inlet pipe 4 and oil return pipe 5 are high-pressure hose。
In the present embodiment, oil inlet pipe 4 and oil return pipe 5 are disposed as high-pressure hose, high-pressure hose can make oil inlet pipe 4 and oil return pipe 5 bear bigger pressure in the process used, thus it is in use excessive and break because bearing pressure to avoid oil inlet pipe 4 and oil return pipe 5, extend oil inlet pipe 4 and the service life of oil return pipe 5, and then extend the service life that machine Control system oil circuit is overall。
As it is shown in figure 1, on the basis of above-described embodiment, further, machine Control system oil circuit also includes oil return sensor；
Oil return sensor is arranged on oil return pipe 5, and oil return sensor is electrically connected with the controller。
In the present embodiment, oil return sensor, for measuring the pressure in oil return pipe 5, so that controller adjusts choke valve 7 openings of sizes according to the pressure in oil return pipe 5, and then makes the pressure in oil return pipe 5 be maintained at default value。
In the present embodiment, oil return pipe 5 arranges oil return sensor and can realize being automatically adjusted of pressure in oil return pipe 5 better, so that regulate more accurate。
As it is shown in figure 1, on the basis of above-described embodiment, further, also include oil-feed sensor；Oil-feed sensor is arranged on oil inlet pipe 4, and oil-feed sensor is electrically connected with the controller。
In the present embodiment, oil-feed sensor, for measuring the pressure in oil inlet pipe 4, so that controller adjusts overflow valve 5 openings of sizes according to the pressure in oil inlet pipe 4, and then makes the pressure in oil inlet pipe 4 be maintained at default value。
In the present embodiment, oil inlet pipe 4 arranges oil-feed sensor and can realize being automatically adjusted of pressure in oil inlet pipe 4 better, so that regulate more accurate。
On the basis of above-described embodiment, further, motor 2 is servomotor 2。
In the present embodiment, motor 2 being set to servomotor 2, it can make control speed very accurate, thus ensureing that the work efficiency of oil pump 3 meets user demand, improves its degree of accuracy in use。
As it is shown in figure 1, on the basis of above-described embodiment, further, this utility model also provides for a kind of injection machine, including oil cylinder and machine Control system oil circuit；Oil return pipe 5 one end connects with fuel tank 8, and the other end connects with oil cylinder。
The machine Control system oil circuit that the present embodiment provides, in use, oil in fuel tank 8 enter injection machine with oil system for oil cylinder, when with the oil mass of oil system too much time, with in oil system by oil return pipe 5, and be back in fuel tank 8 through the adjustment of choke valve 7, with to be used。In the process used, user can pass through to regulate choke valve 7 openings of sizes, thus realizing the speed of system oil-feed。When oil cylinder is multiple, choke valve 7 can be arranged on the total road of oil return of multiple oil cylinder, thus the adjustment to multiple oil cylinders can be realized。
The machine Control system oil circuit that the present embodiment provides, oil return pipe 5 arranges choke valve 7, in choke valve 7 scalable oil return pipe 5, oil is back to the flow in fuel tank 8 process, thus the pressure controlled in oil return pipe 5 is maintained at predeterminated position, and then ensure that injection machine oil system and the stability of machine Control system oil circuit。
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of this utility model。
Claims (8)
1. a machine Control system oil circuit, it is characterised in that including: oil return pipe and choke valve；
Described oil return pipe one end connects with fuel tank, and the other end is connected by the intrinsic oil system of described choke valve and injection machine；
Also include oil inlet pipe, oil pump, motor and overflow valve；
Described oil pump electrically connects with described motor；One end of described oil inlet pipe is connected with described fuel tank by described oil pump, and the other end connects with the intrinsic oil system of described injection machine；Described overflow valve is arranged on described oil inlet pipe, is used for controlling described oil-feed overpressure；
Also include oil filter；Described oil pump is connected with described fuel tank by described oil filter。
2. machine Control system oil circuit according to claim 1, it is characterised in that described choke valve is proportional throttle valve。
3. machine Control system oil circuit according to claim 1, it is characterised in that also include controller；
Described choke valve electrically connects with described controller。
4. machine Control system oil circuit according to claim 1, it is characterised in that described oil inlet pipe and described oil return pipe are high-pressure hose。
5. machine Control system oil circuit according to claim 3, it is characterised in that also include oil return sensor；
Described oil return sensor is arranged on described oil return pipe, and described oil return sensor electrically connects with described controller。
6. machine Control system oil circuit according to claim 3, it is characterised in that also include oil-feed sensor；
Described oil-feed sensor is arranged on described oil inlet pipe, and described oil-feed sensor electrically connects with described controller。
7. machine Control system oil circuit according to claim 1, it is characterised in that described motor is servomotor。
8. an injection machine, it is characterised in that include oil cylinder and the machine Control system oil circuit as described in any one of claim 1-7；
Described oil return pipe one end connects with described fuel tank, and the other end connects with described oil cylinder。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521065264.1U CN205326214U (en) | 2015-12-17 | 2015-12-17 | Injection molding machine control circuit and injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521065264.1U CN205326214U (en) | 2015-12-17 | 2015-12-17 | Injection molding machine control circuit and injection molding machine |
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| Publication Number | Publication Date |
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| CN205326214U true CN205326214U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521065264.1U Active CN205326214U (en) | 2015-12-17 | 2015-12-17 | Injection molding machine control circuit and injection molding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370443A (en) * | 2019-08-15 | 2019-10-25 | 唐山贺祥机电股份有限公司 | High-pressure molding mud curve pressurizing device and method |
| CN113290805A (en) * | 2021-04-09 | 2021-08-24 | 宁波伊士通技术股份有限公司 | Back pressure control method of hydraulic injection molding machine |
-
2015
- 2015-12-17 CN CN201521065264.1U patent/CN205326214U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370443A (en) * | 2019-08-15 | 2019-10-25 | 唐山贺祥机电股份有限公司 | High-pressure molding mud curve pressurizing device and method |
| CN113290805A (en) * | 2021-04-09 | 2021-08-24 | 宁波伊士通技术股份有限公司 | Back pressure control method of hydraulic injection molding machine |
| CN113290805B (en) * | 2021-04-09 | 2022-11-15 | 宁波伊士通技术股份有限公司 | Back pressure control method of hydraulic injection molding machine |
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