CN210880831U - Screw temperature control system for film blowing machine and film blowing machine - Google Patents
Screw temperature control system for film blowing machine and film blowing machine Download PDFInfo
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- CN210880831U CN210880831U CN201920873352.6U CN201920873352U CN210880831U CN 210880831 U CN210880831 U CN 210880831U CN 201920873352 U CN201920873352 U CN 201920873352U CN 210880831 U CN210880831 U CN 210880831U
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- oil
- cooling device
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- screw
- blowing machine
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Abstract
The utility model provides a screw rod temperature control system and inflation film manufacturing machine for inflation film manufacturing machine, wherein screw rod temperature control system includes: the circulating oil cooling device is sleeved outside the screw working cavity and comprises a first oil inlet, a second oil inlet, a first oil outlet and a second oil outlet; an outlet of the oil tank is communicated with a first oil inlet of the circulating oil cooling device through an oil conveying pipe, and an inlet of the oil tank is communicated with a first oil outlet of the circulating oil cooling device through an oil conveying pipe; and the outlet of the water cooling device is communicated with a second oil inlet of the circulating oil cooling device through an oil conveying pipe, and the inlet of the water cooling device is communicated with a second oil outlet of the circulating oil cooling device through an oil conveying pipe. Through adopting the utility model discloses, adopt circulating oil heat sink to cool down the screw rod working chamber to adopt water cooling plant to cool down the oil circuit, improve the screw rod temperature control effect of inflation film manufacturing machine.
Description
Technical Field
The utility model relates to a inflation film manufacturing machine technical field especially relates to a screw rod temperature control system and inflation film manufacturing machine for inflation film manufacturing machine.
Background
The film blowing machine is a mechanical device for heating and melting plastic particles and then blowing the plastic particles into a film, and generally comprises an extrusion mechanism, a traction mechanism, a curling mechanism and the like. The extrusion mechanism is used for pushing and mixing plastic particles in the hopper at a certain temperature through a screw to obtain molten and mixed plastic, and then extruding the plastic through the die head.
In the process of pushing out and mixing plastic particles by the screw, the temperature of the screw needs to be controlled, so that the temperature in the working cavity of the screw is within a preset range. In the prior art, the screw is cooled by adopting a direct water cooling mode. However, in the working process of the screw, a large amount of heat is generated during pushing and mixing, the requirement of temperature control is difficult to meet by pure water cooling, and the quality of a film produced by the film blowing machine can be influenced due to the fact that the temperature is not satisfactory.
SUMMERY OF THE UTILITY MODEL
Problem to among the prior art, an object of the utility model is to provide a screw rod temperature control system and inflation film manufacturing machine for inflation film manufacturing machine adopts the circulating oil heat sink to cool down the screw rod working chamber to adopt water cooling plant to cool down the oil circuit, improve inflation film manufacturing machine's screw rod temperature control effect.
An embodiment of the utility model provides a screw rod temperature control system for inflation film manufacturing machine for adjust the temperature of the screw rod working chamber of inflation film manufacturing machine, the system includes: the circulating oil cooling device is sleeved outside the screw working cavity and comprises a first oil inlet, a second oil inlet, a first oil outlet and a second oil outlet; an outlet of the oil tank is communicated with a first oil inlet of the circulating oil cooling device through an oil conveying pipe, and an inlet of the oil tank is communicated with a first oil outlet of the circulating oil cooling device through an oil conveying pipe; and the outlet of the water cooling device is communicated with a second oil inlet of the circulating oil cooling device through an oil conveying pipe, and the inlet of the water cooling device is communicated with a second oil outlet of the circulating oil cooling device through an oil conveying pipe.
Optionally, the outside of circulating oil heat sink still is provided with at least one heating plate, the heating plate is right the screw rod working chamber heats.
Optionally, the screw rod in the screw rod working chamber of inflation film manufacturing machine includes a plurality of subsections, a plurality of subsections are including the mixed section of a plurality of mixing sections and a plurality of sections of releasing that set up in turn, the outside cover of circulating oil heat sink be equipped with the heating plate of subsection one-to-one, the heating plate sets up in the segmentation position that corresponds.
Optionally, the screw rod includes that the first section of releasing, first mixing section, second release section, the mixed section of second, third release section and the mixed section of third that set gradually, the outside of circulating oil heat sink is provided with six heating plates.
Optionally, the first section of releasing includes water-cooling section and oil-cooling section, the outside cover of water-cooling section is equipped with circulating water cooling jacket, the outside cover that the section was released to oil-cooling section, first mixed section, second, the mixed section of second, third and the mixed section of third is equipped with the circulating oil heat sink.
Optionally, the circulating oil cooling device includes six oil sleeves in one-to-one correspondence with the segments, the oil sleeves are sleeved outside the corresponding segments, each oil sleeve is provided with a first oil inlet, a first oil outlet, a second oil inlet and a second oil outlet, the first oil inlet and the first oil outlet of the oil sleeve are communicated with the oil tank, and the second oil inlet and the second oil outlet of the oil sleeve are communicated with the water cooling device.
Optionally, the system further comprises a temperature controller, and the temperature controllers are respectively connected with the heating sheets;
the system also comprises temperature sensors which are in one-to-one correspondence with the heating sheets, the temperature sensors are arranged at the corresponding heating sheets, and the temperature sensors are connected with the temperature controller.
Optionally, the system further comprises a circulating oil control device, and the circulating oil control device controls the flow rate of the cooling oil in the circulating oil cooling device.
Optionally, the system further includes temperature sensors corresponding to the heating sheets one to one, the temperature sensors are disposed at the corresponding heating sheets, and the temperature sensors are connected to the temperature controller.
Optionally, water cooling plant includes the tower body and set up in inside cistern, water pump, the mechanism of spraying and the mechanism of catchmenting of tower body, it is in to spray the mechanism adopt under the effect of water pump water in the cistern is to getting into the inside defeated oil pipe of tower body sprays, the mechanism of catchmenting is collected spray mechanism spun water and return to the cistern.
The utility model also provides a inflation film manufacturing machine, inflation film manufacturing machine includes arbitrary the screw rod temperature control system who is used for inflation film manufacturing machine.
The utility model provides a screw rod temperature control system and inflation film manufacturing machine for inflation film manufacturing machine adopts the circulating oil heat sink to cool down the screw rod working chamber to adopt water cooling plant to cool down the oil circuit, improve the screw rod temperature control effect of inflation film manufacturing machine; further, to a neotype mixing screw rod of three-section, all set up a heating plate to every segmentation respectively, the heating plate is heated corresponding the segmentation alone, realizes the solitary temperature control of different segmentation, improves the control by temperature change effect, and the guarantee screw rod working chamber internal temperature is in within the suitable scope, improves the quality of inflation film manufacturing machine output film.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a screw temperature control system for a film blowing machine according to an embodiment of the present invention applied to a screw working chamber;
fig. 2 is a schematic structural view of the circulating oil cooling device according to an embodiment of the present invention applied to a screw working chamber;
FIG. 3 is a schematic structural view of a circulating oil cooling device and a heating plate applied to a screw working chamber according to another embodiment of the present invention;
fig. 4 is a schematic structural view of a screw working chamber to which the circulating oil cooling device and the heating plate of another embodiment of the present invention are applied.
Reference numerals:
1 screw working chamber 4 circulating oil control device
2 screw rod 5 water cooling device
21 outlet of water cooling device of first push-out section 51
22 inlet of water cooling device of first mixing section 52
23 second push-out section 6 oil tank
24 outlet of oil tank of second mixing section 61
25 inlet of oil tank of third push-out section 62
26 third mixing section 7 heating plate
3 circulating oil cooling device 8 circulating water cooling jacket
31 first oil inlet
32 first oil outlet
33 second oil inlet
34 second oil outlet
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.
In order to solve the technical problem among the prior art, the utility model provides a screw rod temperature control system for inflation film manufacturing machine for adjust the temperature of the screw rod working chamber of inflation film manufacturing machine, the system includes: the circulating oil cooling device is sleeved outside the screw working cavity and comprises a first oil inlet, a second oil inlet, a first oil outlet and a second oil outlet; an outlet of the oil tank is communicated with a first oil inlet of the circulating oil cooling device through an oil conveying pipe, and an inlet of the oil tank is communicated with a first oil outlet of the circulating oil cooling device through an oil conveying pipe; and the outlet of the water cooling device is communicated with a second oil inlet of the circulating oil cooling device through an oil conveying pipe, and the inlet of the water cooling device is communicated with a second oil outlet of the circulating oil cooling device through an oil conveying pipe.
Therefore, the utility model provides a screw rod temperature control system for inflation film manufacturing machine adopts the circulating oil heat sink to cool down the screw rod working chamber to adopt water cooling plant to cool down the oil circuit, improve inflation film manufacturing machine's screw rod temperature control effect. The utility model also provides a inflation film manufacturing machine, inflation film manufacturing machine includes arbitrary the screw rod temperature control system for inflation film manufacturing machine, can improve the control by temperature change effect, guarantee screw rod work intracavity temperature is in within the suitable scope, improves the quality of inflation film manufacturing machine output film.
The following describes a screw temperature control system for a film blowing machine according to an embodiment of the present invention with reference to fig. 1 and 2. In this embodiment, the screw temperature control system includes: the circulating oil cooling device 3 is sleeved outside the working cavity 1 of the screw 2, and the circulating oil cooling device 3 comprises a first oil inlet 31, a second oil inlet 33, a first oil outlet 32 and a second oil outlet 34; an outlet 61 of the oil tank 6 is communicated with a first oil inlet 31 of the circulating oil cooling device 3 through an oil pipeline, and an inlet 62 of the oil tank 6 is communicated with a first oil outlet 32 of the circulating oil cooling device 3 through an oil pipeline; and an outlet 51 of the water cooling device 5 is communicated with a second oil inlet 33 of the circulating oil cooling device 3 through an oil pipeline, and an inlet 52 of the water cooling device 5 is communicated with a second oil outlet 34 of the circulating oil cooling device 3 through an oil pipeline. This embodiment adopts circulating oil heat sink 3 to cool down screw rod working chamber 1 to adopt water cooling plant 5 to cool down circulating oil heat sink 3's oil circuit, improve inflation film manufacturing machine's screw rod temperature control effect.
As shown in fig. 1, in this embodiment, the screw temperature control system further includes a circulating oil control device 4, and the circulating oil control device 4 controls the flow rate of the cooling oil in the circulating oil temperature reducing device 3. For example, the circulating oil control device 4 may control the flow rate of the cooling oil in the oil delivery pipe by controlling the oil pump of the circulating oil temperature lowering device 3, or may control the flow rate of the cooling oil in the oil delivery pipe by providing a valve.
As shown in fig. 2, the circulating oil cooling device 3 may be in the form of an annular oil jacket 35, which is sleeved outside the screw working chamber 1, and an annular circulating oil path is formed between the circulating oil cooling device 3 and the oil tank through an oil pump. A first oil inlet 31, a first oil outlet 32, a second oil inlet 33 and a second oil outlet 34 are formed in different positions of the annular oil sleeve 35.
In this embodiment, the water cooling device 5 may be a water cooling tower, and specifically, the water cooling tower may include a tower body, and a reservoir, a water pump, a spraying mechanism and a water collecting mechanism which are arranged inside the tower body, wherein the spraying mechanism sprays an oil pipeline (an oil pipeline connected between the outlet 51 and the inlet 52 of the water cooling device 5) entering the tower body with water in the reservoir under the action of the water pump, and the water collecting mechanism collects water sprayed by the spraying mechanism and returns the water to the reservoir to form a circulating water cooling structure. In addition, an air cooling mechanism can be added in the water cooling device 5 to cool water in the reservoir and the like. The second outlet 34 of the circulating oil temperature reducing device 3 takes out the hot oil heated by the screw working chamber 1, enters the inlet 52 of the water cooling device 5 through an oil pipeline, is cooled by the spray water in the water cooling device 5, and then flows the cold oil from the outlet 51 of the water cooling device 5 back to the second inlet 33 of the circulating oil temperature reducing device 3. Therefore, compared with the traditional pure water cooling or pure oil cooling mode, the screw temperature control system in the embodiment has a better cooling effect.
As shown in fig. 3, it is a schematic structural view of the screw working chamber to which the circulating oil cooling device in the screw temperature control system according to another embodiment of the present invention is applied. This embodiment further adds a heating fin 7 and a circulating cooling water jacket 8 as compared with the previous embodiment. When the inflation film manufacturing machine just started, the temperature of screw 2 and screw working chamber 1 is lower, needs to heat screw working chamber 1 this moment. Therefore, in this embodiment, the screw temperature control system further includes at least one heating plate 7, and the heating plate 7 is disposed outside the circulating oil cooling device 3 to heat the screw working chamber 1. The heating plate 7 may be annularly sleeved outside the oil jacket 35, or may be a plate attached to the outside of the oil jacket 35. The heating plate 7 can be provided with a thermal resistance wire to heat the screw working cavity 1.
In this embodiment, the screw 2 in the screw working chamber 1 of the film blowing machine comprises a plurality of sections, and specifically, the screw 2 comprises a first push-out section 21, a first mixing section 22, a second push-out section 23, a second mixing section 24, a third push-out section 25 and a third mixing section 26 which are arranged in sequence. The first ejecting section 21, the second ejecting section 23 and the third ejecting section 25 are respectively provided with a screw thread, and the first mixing section 22, the second mixing section 24 and the third mixing section 26 are respectively provided with a plurality of convex blocks. The raw materials are pushed and stirred through the threads of the push-out sections, and are scattered through the convex blocks of the three mixing sections, so that different raw materials are uniformly distributed in finally extruded molten plastic, the mixing uniformity of the raw materials is improved, and the distribution uniformity of various components in a product is improved. The outside of circulating oil heat sink 3 be provided with six heating plates 7 of segmentation one-to-one, heating plate 7 sets up in the segmentation position that corresponds. The lengths of the heating fins 7 in the axial direction of the screw 2 may be set individually depending on the lengths of the respective segments in the axial direction of the screw 2.
In this embodiment, the length of the first push-out section 21 is long, the first push-out section 21 is divided into a water cooling section and an oil cooling section along the length direction, the circulating water cooling jacket 8 is sleeved outside the water cooling section, and the circulating oil cooling device 3 is sleeved outside the oil cooling section, the first mixing section 22, the second push-out section 23, the second mixing section 24, the third push-out section 25 and the third mixing section 26. The utility model discloses a design into the mixed novel screw rod of three-section with screw rod 2, improved the hybrid process to the raw materials in the extrusion mechanism of inflation film manufacturing machine. In addition, in the screw working chamber 1 of the embodiment, the raw materials are subjected to three concentrated scattering and mixing processes, so that the temperature can rapidly rise in the working process of the screw 2, and the temperature of the screw working chamber 1 can be better controlled by adopting the circulating oil cooling device and the water cooling device of the embodiment.
In this embodiment, the system further includes a temperature controller, where the temperature controller is respectively connected to each of the heating sheets 7, and can respectively control the temperature of each of the heating sheets 7, specifically, can control the power on/off of a heater wire in the heating sheet 7. The system further comprises temperature sensors in one-to-one correspondence with the heating sheets 7, the temperature sensors are arranged at the corresponding heating sheets 7, and the temperature sensors are connected with the temperature controller. The temperature sensor respectively carries out temperature data acquisition to each segmentation, and the temperature controller can be according to the temperature data of different segmentations control the heating plate of each segmentation alone.
Therefore, the utility model discloses to a novel mixing screw rod of three-section, all set up a heating plate to every segmentation respectively, the heating plate is heated corresponding segmentation alone, realizes the solitary temperature control of different segmentation, improves the control by temperature change effect, and guarantee screw rod work intracavity temperature is in within the suitable within range. Because the screw rod 2 is designed into the three-section mixing screw rod which can obtain better mixing effect, and each section on the screw rod 2 is also independently controlled in temperature, the temperature of each section can be better ensured to meet the requirement.
As shown in fig. 4, it is a schematic structural view that the circulating oil cooling device and the heating plate of the present invention are applied to a screw working chamber according to another embodiment of the present invention. In this embodiment, compared with the embodiment shown in fig. 3, the difference is that the circulating oil cooling device 3 includes six oil sleeves 35 corresponding to the segments one by one, the oil sleeves 35 are sleeved outside the corresponding segments, each oil sleeve 35 is provided with a first oil inlet 31, a first oil outlet 32, a second oil inlet 33 and a second oil outlet 34, the first oil inlet 31 and the first oil outlet 32 of the oil sleeve 35 are communicated with the oil tank 6, and the second oil inlet and the second oil outlet of the oil sleeve 35 are communicated with the water cooling device. Specifically, the embodiment may also include a temperature sensor, which collects temperature data of each segment of the screw 2 and sends the temperature data to a temperature controller, and the temperature controller controls the heating operation of each heating plate 7 according to the collected data of the temperature sensor. In addition, since each oil jacket 35 corresponds to a different section of the screw 2, the circulating oil control device 4 may also control the flow rate of oil in each individual oil jacket 35 according to the temperature of each section collected by each temperature controller to control the cooling effect of each oil jacket 35 on each section.
Compared with the prior art, the screw temperature control system for the film blowing machine and the film blowing machine provided by the utility model adopt the circulating oil cooling device to cool the screw working cavity, and adopt the water cooling device to cool the oil path, thereby improving the screw temperature control effect of the film blowing machine; further, to a neotype mixing screw rod of three-section, all set up a heating plate to every segmentation respectively, the heating plate is heated corresponding the segmentation alone, realizes the solitary temperature control of different segmentation, improves the control by temperature change effect, and the guarantee screw rod working chamber internal temperature is in within the suitable scope, improves the quality of inflation film manufacturing machine output film.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A screw temperature control system for a film blowing machine, for adjusting the temperature of a screw working chamber of the film blowing machine, the system comprising:
the circulating oil cooling device is sleeved outside the screw working cavity and comprises a first oil inlet, a second oil inlet, a first oil outlet and a second oil outlet;
an outlet of the oil tank is communicated with a first oil inlet of the circulating oil cooling device through an oil conveying pipe, and an inlet of the oil tank is communicated with a first oil outlet of the circulating oil cooling device through an oil conveying pipe;
and the outlet of the water cooling device is communicated with a second oil inlet of the circulating oil cooling device through an oil conveying pipe, and the inlet of the water cooling device is communicated with a second oil outlet of the circulating oil cooling device through an oil conveying pipe.
2. The screw temperature control system for the film blowing machine according to claim 1, characterized in that at least one heating sheet is further arranged outside the circulating oil cooling device, and the heating sheet heats the screw working cavity.
3. The screw temperature control system for the film blowing machine according to claim 2, characterized in that the screw in the screw working chamber of the film blowing machine comprises a plurality of segments, the plurality of segments comprise a plurality of mixing segments and a plurality of pushing segments which are alternately arranged, the heating plates which are in one-to-one correspondence with the segments are sleeved outside the circulating oil cooling device, and the heating plates are arranged at the corresponding segment positions.
4. The screw temperature control system for the film blowing machine according to claim 3, wherein the screw comprises a first push-out section, a first mixing section, a second push-out section, a second mixing section, a third push-out section and a third mixing section which are arranged in sequence, and six heating plates are arranged outside the circulating oil cooling device.
5. The screw temperature control system for the film blowing machine according to claim 4, characterized in that the first pushing-out section comprises a water cooling section and an oil cooling section, a circulating water cooling jacket is sleeved outside the water cooling section, and the circulating oil cooling device is sleeved outside the oil cooling section, the first mixing section, the second pushing-out section, the second mixing section, the third pushing-out section and the third mixing section.
6. The screw temperature control system for the film blowing machine according to claim 4, characterized in that the circulating oil cooling device includes six oil sleeves in one-to-one correspondence with the segments, the oil sleeves are sleeved outside the corresponding segments, each oil sleeve is provided with a first oil inlet, a first oil outlet, a second oil inlet and a second oil outlet, the first oil inlet and the first oil outlet of the oil sleeve are communicated with the oil tank, and the second oil inlet and the second oil outlet of the oil sleeve are communicated with the water cooling device.
7. The screw temperature control system for the film blowing machine according to claim 2, further comprising temperature controllers respectively connected to the heating plates;
the system also comprises temperature sensors which are in one-to-one correspondence with the heating sheets, the temperature sensors are arranged at the corresponding heating sheets, and the temperature sensors are connected with the temperature controller.
8. The screw temperature control system for the film blowing machine according to claim 1, further comprising a circulating oil control device, wherein the circulating oil control device controls the flow rate of the cooling oil in the circulating oil cooling device.
9. The screw temperature control system for the film blowing machine according to claim 1, wherein the water cooling device comprises a tower body, and a reservoir, a water pump, a spraying mechanism and a water collecting mechanism which are arranged inside the tower body, the spraying mechanism sprays an oil pipeline entering the inside of the tower body with water in the reservoir under the action of the water pump, and the water collecting mechanism collects water sprayed out by the spraying mechanism and returns the water to the reservoir.
10. A film blowing machine, characterized in that, the film blowing machine comprises the screw temperature control system for the film blowing machine of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920873352.6U CN210880831U (en) | 2019-06-11 | 2019-06-11 | Screw temperature control system for film blowing machine and film blowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920873352.6U CN210880831U (en) | 2019-06-11 | 2019-06-11 | Screw temperature control system for film blowing machine and film blowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210880831U true CN210880831U (en) | 2020-06-30 |
Family
ID=71331238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920873352.6U Expired - Fee Related CN210880831U (en) | 2019-06-11 | 2019-06-11 | Screw temperature control system for film blowing machine and film blowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210880831U (en) |
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2019
- 2019-06-11 CN CN201920873352.6U patent/CN210880831U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 Termination date: 20210611 |
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| CF01 | Termination of patent right due to non-payment of annual fee |