CN113276398A - Equipment for producing PVC-O pipe by remolding method - Google Patents
Equipment for producing PVC-O pipe by remolding method Download PDFInfo
- Publication number
- CN113276398A CN113276398A CN202110523971.4A CN202110523971A CN113276398A CN 113276398 A CN113276398 A CN 113276398A CN 202110523971 A CN202110523971 A CN 202110523971A CN 113276398 A CN113276398 A CN 113276398A
- Authority
- CN
- China
- Prior art keywords
- die
- pvc
- main body
- equipment rack
- pipe
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 7
- 238000007634 remodeling Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 16
- 239000004800 polyvinyl chloride Substances 0.000 description 16
- 238000013461 design Methods 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004017 vitrification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
- B29C55/26—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes biaxial
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/041—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
- B29C2035/1616—Cooling using liquids
Abstract
The invention discloses equipment for producing a PVC-O pipe by a remolding method, which comprises an equipment rack main body, wherein two groups of die assembly oil cylinders are symmetrically connected to two ends of the outer wall of the equipment rack main body; the remodeling method PVC-O pipe equipment heats the PVC pipe in the mould through hot water with a certain temperature, the temperature is uniform, the PVC pipe is not influenced by external temperature, the production is stable, the qualification rate is high, the remodeling method does not need secondary manufacturing of the socket, the shape of the socket is formed in the inner cavity of the mould, the production efficiency is high, and the energy consumption is low.
Description
Technical Field
The invention relates to the technical field of PVC (polyvinyl chloride) plastics, in particular to equipment for producing a PVC-O (polyvinyl chloride-O) pipe by a remodeling method.
Background
PVC raw materials are extruded into PVC pipes through a machine head and a mouth die of an extruder, a spraying system and the like, then the pipes are heated through an infrared heating system, the pipes are stretched axially and radially through an expansion die after the temperature of the pipes reaches the vitrification temperature, then the PVC pipes are cooled, shaped and cut off, and then one end of the PVC pipes, which needs to be provided with a socket, is heated to complete the processes of flaring and the like, so that the production of PVC-O is completed, wherein the production process is also called as a one-step method.
However, the existing equipment for producing the PVC-O pipe by the remodeling method still has some defects, 1. the equipment has a long infrared heating system, is difficult to ensure that the temperature of each section is the same, is easily influenced by the external temperature, and has unstable production and low percent of pass; 2. the produced PVC-O pipe is a one-step method, so that the socket of the pipe cannot be synchronously manufactured, and the socket can be manufactured only after the head of the pipe is heated, so that the efficiency is low and the energy consumption is high; 3. because the method is a one-step method, the pulling-up rate of the pipe can only reach 1.6, the increased strength of the pipe is not too high, and the material grade can only reach 400 grade; 4. the one-step production process connects all production processes together, so that the equipment is large in size, large in occupied area and high in requirements for plants, the whole production line is stopped due to abnormal operation of one process, and the waste is large.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides equipment for producing the PVC-O pipe by the remodeling method, the PVC-O pipe equipment in the die is heated by hot water at a certain temperature, the temperature is uniform, the PVC-O pipe is not influenced by the external temperature, the production is stable, and the qualification rate is high.
In order to solve the technical problems, the invention provides the following technical scheme: the equipment comprises an equipment rack main body, wherein two groups of die assembly oil cylinders are symmetrically connected to two ends of the outer wall of the equipment rack main body, water receiving grooves are formed in the outer walls of two sides of the equipment rack main body, the output ends of the die assembly oil cylinders are connected with moving assemblies, the moving assemblies are connected and fixed to the inner wall of the equipment rack main body, a lifting oil cylinder is arranged in the equipment rack main body, the output end of the lifting oil cylinder is connected with a chain push-pull mechanism, the chain push-pull mechanism is connected with a lifting mechanism, and a main die is arranged in the lifting mechanism.
As a preferred technical scheme of the invention, the motion assembly comprises a machine head die connecting structure connected with the output end of the die assembly oil cylinder, a slide rod fixed with one end of the machine head die connecting structure, a machine head die fixed with the other end of the slide rod and a connecting rod which is connected with the machine head die in a sliding manner and fixed on the main body of the equipment rack.
As a preferred technical scheme of the invention, the die closing oil cylinder, the machine head die connecting structure, the sliding rod, the machine head die and the connecting rod form a horizontal reciprocating motion structure.
As a preferred technical scheme of the invention, three groups of the sliding rods are arranged between the machine head die connecting structure and the machine head die.
As a preferable technical scheme of the invention, two groups of connecting rods are symmetrically arranged in the front and back of the main body of the equipment rack.
The rotating groove is formed in the position of the left end of the bolt rod, a chain is arranged in the lifting mechanism, and two ends of the chain are respectively connected with the chain push-pull mechanism and the main die connecting piece.
In a preferred embodiment of the present invention, the PVC-O pipe produced from the main body of the equipment rack is molecularly biaxially oriented to form a net structure.
As a preferred technical scheme of the present invention, the process steps in the equipment rack main body are as follows:
s1: loading the workpiece;
s2: descending the main die;
s3: closing the mold;
s4: feeding hot water;
s5: cooling with cold water;
s6: splitting a mold;
s7: lifting the main die;
s8: taking a part;
s9: and (7) warehousing.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. the remolding method PVC-O pipe equipment heats the PVC pipe in the mould through hot water at a certain temperature, the temperature is uniform, the influence of external temperature is avoided, the production is stable, and the qualification rate is high.
2. The remolding method does not need to manufacture the socket for the second time, and the shape of the socket is the shape of the inner cavity of the die, so that the production efficiency is high, and the energy consumption is low.
3. The pulling-up rate of the remolding method to the pipe can reach 1.8, the strength of the pipe is greatly improved, and the material grade can reach 450 grades.
4. The remodeling PVC-O pipe equipment does not need to be connected with an extruder, is independently placed, is not influenced by other factors in production, is more stable in production and more flexible in placement, and one extruder can be simultaneously matched with a plurality of remodeling PVC-O pipe equipment.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a raised main mold according to the present invention;
FIG. 3 is a schematic perspective view of a descending structure of the main mold of the present invention;
FIG. 4 is a perspective view of the master mold in position according to the present invention;
FIG. 5 is a schematic bottom perspective view of the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 7 is a schematic front view of the structure of the present invention;
FIG. 8 is a schematic top view of the structure of the present invention;
wherein: 1. an equipment rack main body; 2. a main mold; 3. a die closing oil cylinder; 4. a water receiving tank; 5. A machine head die connecting structure; 6. a slide bar; 7. a machine head mould; 8. a connecting rod; 9. a lifting mechanism; 10. a lift cylinder; 11. a chain push-pull mechanism.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in figures 1-8, an apparatus for producing PVC-O pipe by remolding method comprises an apparatus frame main body 1, two sets of mold closing oil cylinders 3 are symmetrically connected to two ends of the outer wall of the apparatus frame main body 1, water receiving grooves 4 are arranged on the outer walls of two sides of the apparatus frame main body 1, the output ends of the mold closing oil cylinders 3 are connected with moving components, the moving components are connected and fixed on the inner wall of the apparatus frame main body 1, a lifting oil cylinder 10 is arranged in the apparatus frame main body 1, the output end of the lifting oil cylinder 10 is connected with a chain push-pull mechanism 11, the chain push-pull mechanism 11 is connected with a lifting mechanism 9, a main mold 2 is arranged in the lifting mechanism 9, the moving components comprise a machine head mold connecting structure 5 connected with the output end of the mold closing oil cylinder 3, a slide bar 6 fixed with one end of the machine head mold connecting structure 5, a machine head mold 7 fixed with the other end of the slide bar 6, and a connecting bar 8 fixed on the apparatus frame main body 1 and slidably connected with the machine head mold 7, the die assembly oil cylinder 3, the machine head die connecting structure 5, the slide rod 6, the machine head die 7 and the connecting rod 8 form a horizontal reciprocating motion structure, three groups of the slide rods 6 are arranged between the machine head die connecting structure 5 and the machine head die 7, the connection between the machine head die connecting structure 5 and the machine head die 7 is firmer through the design, two groups of the connecting rods 8 are symmetrically arranged in the front and back of the equipment rack main body 1, so that the machine head die 7 slides on the connecting rod 8 more stably, a chain is arranged in the lifting mechanism 9, two ends of the chain are respectively connected with the chain push-pull mechanism 11 and the main die 2 connecting piece, through the design, the lifting oil cylinder 10 drives the chain push-pull mechanism 11 to drag the chain to enable the main die 2 to move up and down in the lifting mechanism 9, and PVC-O pipe molecules produced by the equipment rack main body 1 are in a double-shaft orientation mode to form a net-shaped structure, by this design, the pipe is given a significantly enhanced impact resistance, which means that the damage due to impact collisions from foreign objects during installation, water testing and even running of the pipeline is reduced.
Remolding method PVC-O pipe equipment mainly comprises equipment rack main part 1, a mold, hydraulic system, elevating system 9, waterway system, cooling system and seven parts of electrical apparatus system, equipment rack main part 1 mainly plays the supporting role to each part such as mould, hydraulic cylinder, lift system, the mould is the core part of preparation remolding method PVC-O pipe, all kinds of sizes of remolding pipe appearance all decide from this, hydraulic system mainly is responsible for the mould of opening and shutting and provides power for the reminder system, the lift system mainly is responsible for the lift of mould, waterway system and cooling system are the key link in remolding pipe production technology, mainly be responsible for the heating inflation and the cooling setting of PVC hair pipe, electrical apparatus system is responsible for controlling the various actions of whole equipment operation.
The process steps in the equipment rack main body 1 are as follows:
s1: loading the workpiece;
s2: descending the main die;
s3: closing the mold;
s4: feeding hot water;
s5: cooling with cold water;
s6: splitting a mold;
s7: lifting the main die;
s8: taking a part;
s9: warehouse entry, the manipulator snatchs PVC hair pah pipe, and put into master mould 2 to it, electrical system sensor senses PVC hair pah pipe and puts in place the back control elevating system 9 and makes master mould 2 descend to the die-closing position, at this moment, aircraft nose mould 7 carries out the compound die under the effect of pneumatic cylinder, the back waterway system that the compound die put in place lets in 91-lift cylinder 100 degrees hot water to the inside and outside wall of PVC hair pah pipe in the mould respectively under electrical system's control and heats, when the temperature of PVC hair pah pipe reaches the vitrification temperature, at this moment, let in high-pressure hot water in the inside of PVC hair pah pipe and blow out to PVC hair pah pipe and carry out axial and radial two-way stretch, make the PVC hair pah pipe outer wall closely laminate with the inner chamber of mould, begin to let in the inside cold water of tubular product after laminating completely and cool off the design, aircraft nose mould 7 divides the mould under the effect of pneumatic cylinder to divide the mould after cooling off the design, elevating system 9 makes the PVC hair pah pipe rise to put in place, the manipulator grabs the pipe from the main die 2 and puts the pipe into the turnover vehicle, and the process is finished.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the above embodiments and descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an equipment of remolding method production PVC-O pipe, includes equipment rack main part (1), its characterized in that: the equipment rack is characterized in that two sets of die closing oil cylinders (3) are symmetrically connected to two ends of the outer wall of the equipment rack main body (1), water receiving grooves (4) are formed in the outer walls of two sides of the equipment rack main body (1), the output ends of the die closing oil cylinders (3) are connected with a hydraulic system, the hydraulic system is connected and fixed to the inner wall of the equipment rack main body (1), a lifting oil cylinder (10) is arranged in the equipment rack main body (1), the output end of the lifting oil cylinder (10) is connected with a chain push-pull mechanism (11), the chain push-pull mechanism (11) is connected with a lifting mechanism (9), and a main die (2) is arranged in the lifting mechanism (9).
2. A device for producing PVC-O tubing by a reshaping process according to claim 1, wherein: the hydraulic system comprises a machine head die connecting structure (5) connected with the output end of the die closing oil cylinder (3), a sliding rod (6) fixed with one end of the machine head die connecting structure (5), a machine head die (7) fixed with the other end of the sliding rod (6) and a connecting rod (8) which is connected with the machine head die (7) in a sliding mode and fixed on the equipment rack main body (1).
3. A device for producing PVC-O tubing by a reshaping process according to claim 2, wherein: the die closing oil cylinder (3), the machine head die connecting structure (5), the sliding rod (6), the machine head die (7) and the connecting rod (8) form a horizontal reciprocating motion structure.
4. A device for producing PVC-O tubing by a reshaping process according to claim 2, wherein: three groups of sliding rods (6) are arranged between the handpiece die connecting structure (5) and the handpiece die (7).
5. A device for producing PVC-O tubing by a reshaping process according to claim 2, wherein: the connecting rods (8) are symmetrically arranged in two groups in the front and back direction in the equipment rack main body (1).
6. A device for producing PVC-O tubing by a reshaping process according to claim 1, wherein: and a chain is arranged in the lifting mechanism (9), and two ends of the chain are respectively connected with a chain push-pull mechanism (11) and a main die (2) connecting piece.
7. A device for producing PVC-O tubing by a reshaping process according to claim 1, wherein: the PVC-O pipe produced by the equipment frame main body (1) is molecularly and biaxially oriented to form a net structure.
8. A device for producing PVC-O tubing by a reshaping process according to claim 1, wherein: the process steps in the equipment rack main body (1) are as follows:
s1: loading the workpiece;
s2: descending the main die;
s3: closing the mold;
s4: feeding hot water;
s5: cooling with cold water;
s6: splitting a mold;
s7: lifting the main die;
s8: taking a part;
s9: and (7) warehousing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110523971.4A CN113276398A (en) | 2021-05-13 | 2021-05-13 | Equipment for producing PVC-O pipe by remolding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110523971.4A CN113276398A (en) | 2021-05-13 | 2021-05-13 | Equipment for producing PVC-O pipe by remolding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113276398A true CN113276398A (en) | 2021-08-20 |
Family
ID=77278978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110523971.4A Pending CN113276398A (en) | 2021-05-13 | 2021-05-13 | Equipment for producing PVC-O pipe by remolding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113276398A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104017310A (en) * | 2014-06-20 | 2014-09-03 | 福建博大塑业新材料有限公司 | Biaxial orientation polyvinyl chloride pipe and preparation method thereof |
| CN105690787A (en) * | 2016-03-28 | 2016-06-22 | 张家港市斯维达机械有限公司 | PVC-O tube production line |
| CN111873391A (en) * | 2020-07-23 | 2020-11-03 | 萍乡市大地新材料科技有限公司 | Bidirectional stretching corrugated pipe, forming system thereof and manufacturing method thereof |
-
2021
- 2021-05-13 CN CN202110523971.4A patent/CN113276398A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104017310A (en) * | 2014-06-20 | 2014-09-03 | 福建博大塑业新材料有限公司 | Biaxial orientation polyvinyl chloride pipe and preparation method thereof |
| CN105690787A (en) * | 2016-03-28 | 2016-06-22 | 张家港市斯维达机械有限公司 | PVC-O tube production line |
| CN111873391A (en) * | 2020-07-23 | 2020-11-03 | 萍乡市大地新材料科技有限公司 | Bidirectional stretching corrugated pipe, forming system thereof and manufacturing method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 卢圣春等: "《汽车装配技术》", 31 March 2013, 北京理工大学出版社 * |
| 卢少忠等: "《塑料管道工程 性能•生产•应用》", 30 June 2004, 中国建材工业出版社 * |
| 唐志玉等: "《挤塑模设计》", 30 June 1997, 化学工业出版社 * |
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Application publication date: 20210820 |