CN111347648A - Quick high-yield forming device for polypropylene (PP) building template - Google Patents
Quick high-yield forming device for polypropylene (PP) building template Download PDFInfo
- Publication number
- CN111347648A CN111347648A CN201811565462.2A CN201811565462A CN111347648A CN 111347648 A CN111347648 A CN 111347648A CN 201811565462 A CN201811565462 A CN 201811565462A CN 111347648 A CN111347648 A CN 111347648A
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- China
- Prior art keywords
- vacuum
- shaping
- negative pressure
- polypropylene
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Links
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 34
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 34
- -1 polypropylene Polymers 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 11
- 230000001360 synchronised effect Effects 0.000 claims abstract 2
- 238000007493 shaping process Methods 0.000 claims description 27
- 238000004513 sizing Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000007666 vacuum forming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/05—Forming boards or similar elements the form surface being of plastics
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a rapid high-yield forming device of a polypropylene (PP) building template, which comprises a forming rack system, a negative pressure vacuumizing system, a water path cooling system, a forming plate up-down lifting system and the like, wherein water paths of gas paths of the existing forming table are all black rubber pipes, gas pipes can bear vacuum negative pressure below-0.1 Mpa, the negative pressure value of the forming table during normal production is-0.02 Mpa, PU pipelines are enough to ensure that qualified products are produced, the waste of the pipelines is greatly reduced, a negative pressure gas storage tank is added in the gas paths, the gas storage tank can well store certain gas amount, the effect of a buffer is achieved, the condition that the gas paths are unstable is solved, and in order to solve the problem that the forming table is not parallel when retreating, a gear rack structure is adopted, and the synchronous retreating of two sides of the.
Description
Technical Field
The invention relates to the field of building templates, in particular to a rapid high-yield forming device for a polypropylene (PP) building template.
Background
The extrusion molding method for producing the polypropylene (PP) building template product refers to the following steps: the extruder melts and plasticizes the polypropylene granules or the crushed materials, then the melted materials are basically formed in the die, and the formed materials are conveyed to the stacking platform through the cooling forming device, the traction device, the transverse cutting device and the conveying device. Cooling and shaping by a shaping table, and after traction and cutting, conveying to a material turning frame for stacking and packaging. In the polypropylene (PP) building template production line, the forming device mainly has the function of providing a cooling environment and negative pressure vacuum for the building template.
Domestic general forming device generally is three groups of stereotype boards, three vacuum system of group, it includes first vacuum system and second group vacuum system to be first stereotype board respectively, second piece stereotype board includes third group vacuum system, third piece stereotype board vacuum system that does not have, the distance undersize of such structure vacuum environment, the output of building template increases, the vacuum effect descends under the same condition of cooling efficiency, the face unevenness of building template, vacuum system's fluctuation range also becomes along with it, use frequency conversion control to first vacuum pump, it is automatic adjustable to realize stably in the vacuum of first vacuum group.
Disclosure of Invention
The invention aims to provide a rapid high-yield forming device for a polypropylene (PP) building template, which can quickly establish negative pressure and cold environment required by forming the PP building template, form products in the shortest time, reduce the rejection rate of the PP building template and improve the yield of the building template.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a quick high yield forming device of polypropylene (PP) building templates, includes by design frame, vacuum cooling design board, frame elevating system, negative pressure evacuating device, design board elevating system constitutes, design vacuum section includes four sections, from right side to left side is first design vacuum section, second design vacuum section and third design vacuum section and fourth design vacuum section in proper order, and each vacuum section divide into upper and lower two sets of, and every group vacuum section connects in parallel to an airtight square tube through pipeline (PU pipe), and two airtight square tubes are connected to the vacuum tee bend pipeline that has certain volume respectively through metal collapsible tube, and the vacuum tee bend pipeline is connected to the negative pressure gas holder before the vacuum through the combination of hard tube with the hose, and negative pressure gas holder hard tube is connected to the import of vacuum pump and realizes the vacuum system of polypropylene building templates, and the four ways pipeline is first vacuum pipe system of the way respectively, The vacuum forming platform comprises a second vacuum pipeline system, a third vacuum pipeline system and a fourth vacuum pipeline system, wherein the first vacuum pipeline system of the pipelines is connected to a variable frequency vacuum pump, the second, third and fourth vacuum pipeline systems are respectively connected with a water ring vacuum pump to form a vacuum system of the whole set of vacuum forming platform, the side surface of each forming plate is divided into a water inlet and a water outlet, and the water inlet and the water outlet are connected with a main water inlet and outlet pipeline through a pipeline (PU pipe).
Further, the length of the first vacuum pipeline is smaller than the length of the second vacuum pipeline, the third vacuum pipeline and the fourth vacuum pipeline.
Furthermore, a 20L negative pressure air storage tank is arranged in front of the vacuum pump of each group of vacuum pipelines, and the air storage tank can bear negative pressure of (-0.01Mpa) - (-0.1 Mpa).
Further, the shaping plate up-down lifting force is given by the cylinder and matched with the gear rack structure, and the lifting synchronization of the two sides is guaranteed.
Furthermore, the cooling system is a water inlet, and the outlet ball valve can adjust the flow.
The invention has the beneficial effects that:
1. the polypropylene forming device can produce a formed standard plate when the fourth plate is produced.
2. The air circuit and the water path of the existing shaping table are all black rubber pipes, the market price of the black rubber pipes is about 6 yuan per meter, the existing black rubber pipes are replaced by PU air pipes in the shaping table, the air pipes are about 0.3 yuan per meter, the air pipes can bear vacuum negative pressure below-0.1 Mpa, the negative pressure value of the shaping table during normal production is-0.02 Mpa, the PU pipelines are enough to ensure that qualified products are produced, and the waste of the pipelines is greatly reduced.
3. A negative pressure gas storage tank is added in the gas circuit, the gas storage tank can well store a certain gas amount, the effect of a buffer is achieved, and the problem that the gas circuit is unstable is solved.
4. In order to solve the problem that the shaping table is not parallel when retreating, a gear rack structure is adopted, and the two sides of the shaping table are ensured to retreat synchronously when retreating.
Drawings
The invention is further illustrated by the following figures and examples:
FIG. 1: partial drawing of a rapid high-yield forming device of a polypropylene (PP) building template;
FIG. 2: a local diagram of a sizing rack system;
FIG. 3: partial diagram of a negative pressure vacuum-pumping system;
FIG. 4: a partial view of a waterway cooling system;
FIG. 5: local view of the up-down lifting system;
in the figure: 101 a setting machine frame assembly, 102 a moving gear train assembly, 103 a gear strip assembly, 201 a first setting vacuum section, 202 a second setting vacuum section, 203 a third setting vacuum section, 204 a fourth setting vacuum section, 205 an air storage tank, 206 a variable frequency vacuum pump, 207 a water ring pump, 301 an upper setting plate total water inlet pipeline, 302 an upper setting plate total water outlet pipeline, 303 a lower setting plate total water inlet pipeline, 304 a lower setting plate total water outlet pipeline, 401 an air cylinder assembly and 402 a gear and rack assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 5, in the embodiment of the present invention, a rapid high-yield forming apparatus for a polypropylene (PP) building template comprises a forming rack system, a negative pressure vacuum pumping system, a water path cooling system, a forming plate lifting system, and the like, wherein a first forming vacuum section 201, a second forming vacuum section 202, a third forming vacuum section 203, and a fourth forming vacuum section 204 in the negative pressure vacuum system are fixed on the forming rack system, each vacuum section is divided into an upper group and a lower group, each group of vacuum sections is connected in parallel to a sealed rectangular pipe through a pipeline (PU pipe), two sealed rectangular pipes are respectively connected to a vacuum three-way pipeline with a certain volume through a metal hose, the vacuum three-way pipeline is connected to a negative pressure gas storage tank 205 before vacuum through a combination of a hard pipe and a soft pipe, the hard pipe of the negative pressure gas storage tank is connected to an inlet of a vacuum pump to realize the vacuum system, the 201 first shaping vacuum section is connected to 205 variable-frequency vacuum pumps, and the 202 second shaping vacuum section, the 203 third shaping vacuum section and the 204 fourth shaping vacuum section are respectively connected to 207 water-ring vacuum pumps to form a vacuum system of the whole set of vacuum shaping table.
The die orifice is cleaned before starting, the main operation panel controls the 102 moving gear train component to be close to the die through the 103 gear rack component, then the speed reducer in the 102 moving gear train is manually adjusted, and the distance between the shaping plate and the die is finely adjusted. The polypropylene material enters a shaping plate, a 201 first section vacuum assembly in a 2 negative pressure vacuum system is started, a 206 variable frequency vacuum pump works, a 202 second section vacuum system is opened when the negative pressure reaches a stable state, and by parity of reasoning, all vacuum negative pressure systems are opened. And (3) measuring the temperature of the polypropylene material of the sizing plate, adjusting 302 an upper water outlet ball valve and 304 a lower water outlet ball valve, and controlling the temperature and the surface process parameters of the sizing plate of the building template.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A rapid high-yield forming device of a polypropylene (PP) building template comprises a shaping rack system, a negative pressure vacuum pumping system, a water path cooling system, a shaping plate up-down lifting system and the like, and is characterized in that (201) a first shaping vacuum section, (202) a second shaping vacuum section, (203) a third shaping vacuum section and (204) a fourth shaping vacuum section in the negative pressure vacuum system are fixed on the shaping rack system, each vacuum section is divided into an upper group and a lower group, each group of vacuum sections are connected in parallel to a closed rectangular pipe through a pipeline (PU pipe), two closed rectangular pipes are respectively connected to a vacuum three-way pipeline with a certain volume through metal hoses, the vacuum three-way pipeline is connected to a (205) negative pressure gas storage tank before vacuum through a combination of a hard pipe and a hose, and (205) the negative pressure gas storage tank is connected to an inlet of a vacuum pump to realize the vacuum system of the polypropylene building template, the first shaping vacuum section (201) is connected to a variable-frequency vacuum pump (205), the second shaping vacuum section (202), the third shaping vacuum section (203) and the fourth shaping vacuum section (204) are respectively connected with a water-ring vacuum pump (207) to form a vacuum system of the whole set of vacuum shaping table.
2. The apparatus for rapid high-throughput molding of polypropylene (PP) building templates according to claim 1, wherein the length of the first vacuum line is less than the length of the second, third and fourth vacuum lines.
3. The apparatus of claim 2, wherein the lifting force of the sizing plate is determined by a cylinder, and the synchronous lifting of the two sides is ensured by the gear rack structure.
4. The apparatus of claim 1, wherein a vacuum pump of each vacuum line is preceded by a 20L negative pressure gas tank, which can withstand a negative pressure of (-0.01Mpa) - (-0.1 Mpa).
5. The apparatus for rapid high-throughput molding of polypropylene (PP) building templates as claimed in claim 1, wherein the cooling system is a water inlet, and the outlet ball valve is capable of adjusting flow rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565462.2A CN111347648A (en) | 2018-12-20 | 2018-12-20 | Quick high-yield forming device for polypropylene (PP) building template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565462.2A CN111347648A (en) | 2018-12-20 | 2018-12-20 | Quick high-yield forming device for polypropylene (PP) building template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111347648A true CN111347648A (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811565462.2A Pending CN111347648A (en) | 2018-12-20 | 2018-12-20 | Quick high-yield forming device for polypropylene (PP) building template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111347648A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202870495U (en) * | 2012-09-20 | 2013-04-10 | 广东省粤东磁电有限公司 | Central apparatus for conveying vacuum (negative pressure) to system |
| CN104708794A (en) * | 2015-03-31 | 2015-06-17 | 广东联塑机器制造有限公司 | Sizing table for vacuum and quick sizing |
| CN204701124U (en) * | 2015-03-31 | 2015-10-14 | 广东联塑机器制造有限公司 | A kind of shaping platform |
| CN207564931U (en) * | 2017-12-12 | 2018-07-03 | 柯美特建材集团股份有限公司 | A kind of PVC profile cooling and shaping platform |
-
2018
- 2018-12-20 CN CN201811565462.2A patent/CN111347648A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202870495U (en) * | 2012-09-20 | 2013-04-10 | 广东省粤东磁电有限公司 | Central apparatus for conveying vacuum (negative pressure) to system |
| CN104708794A (en) * | 2015-03-31 | 2015-06-17 | 广东联塑机器制造有限公司 | Sizing table for vacuum and quick sizing |
| CN204701124U (en) * | 2015-03-31 | 2015-10-14 | 广东联塑机器制造有限公司 | A kind of shaping platform |
| CN207564931U (en) * | 2017-12-12 | 2018-07-03 | 柯美特建材集团股份有限公司 | A kind of PVC profile cooling and shaping platform |
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Application publication date: 20200630 |