CN211492824U - Polyethylene pressure injection sealing production device for water supply and drainage pipe port - Google Patents
Polyethylene pressure injection sealing production device for water supply and drainage pipe port Download PDFInfo
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- CN211492824U CN211492824U CN201921828083.8U CN201921828083U CN211492824U CN 211492824 U CN211492824 U CN 211492824U CN 201921828083 U CN201921828083 U CN 201921828083U CN 211492824 U CN211492824 U CN 211492824U
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Abstract
The utility model discloses a water supply and drainage pipe port polyethylene pressure injection sealing production device, which belongs to the field of urban and rural municipal construction polyethylene steel-plastic composite pipes and comprises an upper port die, an upper port die advance and retreat hydraulic cylinder, an upper port die advance and retreat limiter, a lower port die advance and retreat limiter and a lower port die; the steel framework on the cutting port surface of the pipe is completely and integrally closed and is not exposed, and quality safety accidents caused by medium corrosion in use are avoided; the sealing efficiency is high, the cost is low, and the quality is stable; the requirements of internal drainage and external surface corrosion resistance are met, and the port sealing of the polyethylene melt injection pipe in large scale and batch at one time is realized; the production and maintenance cost is reduced, and the economic benefit is improved.
Description
Technical Field
The utility model discloses a belong to urban and rural municipal building polyethylene steel-plastic composite pipe field, especially relate to water supply and drainage tubular product port face steel skeleton seals the complete production device that seals not expose through the polyethylene pressure injection.
Background
With the vigorous advance of urbanization construction, the technical innovation in the field of water supply and drainage is changing day by day. Especially, the polyethylene water supply and drainage pipe with the built-in steel skeleton is widely applied due to high strength, but has the following defects in use: in the production process, the polyethylene steel framework pipe is required to be cut to length, so that the built-in steel framework is exposed, and then a heating polyethylene ring is adopted for sealing, or a sleeve is additionally arranged for sealing; the existing pipe sealing technology has the problems of low efficiency, low strength, unstable quality, high processing cost, easy production of polyethylene cracking of the inner wall and the outer wall of the pipe due to the exposure of the built-in steel skeleton, exposed corrosion of the steel skeleton, water leakage, shortened service life and the like. The invention needs to invent a polyethylene pressure injection sealing device for the port of a water supply and drainage pipe to realize the port sealing of the once-used integral polyethylene melt pressure injection pipe with large scale, batch, mould, different caliber specifications, high quality and high efficiency.
Disclosure of Invention
The invention discloses a polyethylene pressure injection sealing production device for a port of a water supply and drainage pipe, which aims to overcome the defects of the existing pipe port sealing production device and overcome the defects of low efficiency, low sealing strength, unstable sealing quality, high manufacturing cost, inconvenience for manufacturing, transportation and installation, cracking of polyethylene on the inner wall and the outer wall of the pipe due to cracking and stress concentration in use, exposed corrosion of a steel skeleton, water leakage and the like of the pipe sealing technology.
The polyethylene pressure injection sealing production device for the port of the water supply and drainage pipe comprises the following components: a lower port die advancing and retreating limit screw, a hydraulic baffle B, an upper port die advancing and retreating limit screw, a guide post, an upper port die advancing and retreating hydraulic cylinder, an upper port die advancing and retreating limiter, a hydraulic baffle C, a lower port die advancing and retreating limiter, a lower port die advancing and retreating hydraulic cylinder, a left side runner, a core die advancing and retreating limiter, a core die advancing and retreating hydraulic cylinder, a polyethylene extrusion device, a hydraulic station, a pressure injection hydraulic cylinder, a polyethylene melting cavity, a core die positioning column, a right side runner, a core die, a hydraulic baffle A, a core die advancing and retreating limit screw, an upper port die fixing table, a core die fixing table, a lower port die fixing table, a pressure injection hydraulic advancing and retreating limiter, a die cooling cavity, a seal, a pipe, a polyethylene melting device, an upper end frame, a lower end frame, a core die front end;
the connection relationship is:
the upper port die is connected with an upper port die fixing table, the upper port die fixing table is connected with an upper port die advance and retreat hydraulic cylinder, the upper port die advance and retreat hydraulic cylinder is fixedly connected with an upper end rack, an upper port die advance and retreat limiter is fixedly connected with the upper end rack, a guide post is fixedly connected with the upper end rack, and an upper port die advance and retreat limiting screw is fixedly connected with the upper end rack;
the core mould is connected with a core mould fixing table, the core mould fixing table is connected with a core mould advancing and retreating hydraulic cylinder, the core mould advancing and retreating hydraulic cylinder is connected with a core mould rear end machine frame, the core mould rear end machine frame is connected with a base, a core mould positioning column is connected with the core mould rear end machine frame, the core mould positioning column is connected with a core mould front end machine frame, a core mould advancing and retreating limiter is connected with the core mould front end machine frame,
the core mold advancing and retreating limiting screw is connected with a core mold front end frame, and the core mold front end frame is connected with the base;
the lower port die is connected with a lower port die fixing table, the lower port die fixing table is connected with a lower port die advancing and retreating hydraulic cylinder, the lower port die advancing and retreating hydraulic cylinder is fixedly connected with a lower end frame, a lower port die advancing and retreating limiter is fixedly connected with the lower end frame, a guide post is fixedly connected with the lower end frame, a lower port die advancing and retreating limiting screw is fixedly connected with the lower end frame, and the lower end frame is fixedly connected with a base; the upper mouth die, the core die and the lower mouth die are all provided with die cooling cavities;
the pressure injection hydraulic cylinder is connected with the polyethylene melting cavity, the upper opening die advancing and retreating hydraulic cylinder is connected with the upper opening die, the core die advancing and retreating hydraulic cylinder is connected with the core die, and the lower opening die advancing and retreating hydraulic cylinder is connected with the lower opening die;
feeding polyethylene melt into polyethylene melt under the action of polyethylene extrusion device
And the polyethylene melt enters the die sealing cavity through the left runner and the right runner respectively under the action of the pressure injection hydraulic cylinder, and the port of the cut pipe is sealed by one-time pressure injection.
The polyethylene pressure injection sealing process method for the water supply and drainage pipe port comprises the following steps:
the method comprises the following steps: the method comprises the following steps of (1) preparing, checking a polyethylene pressure injection sealing production device at a port of a water supply and drainage pipe, selecting a sealing mould corresponding to the nominal diameter of the pipe to be sealed, normally installing, debugging and checking, and starting a power supply after the safety production requirement is met;
the method comprises the following steps: a heating procedure, wherein heating rings and thermocouples are attached to the outer surfaces of the polyethylene glue melting device, the left runner and the right runner, and the heating is carried out for 2 hours until the temperature reaches 200 ℃;
the method comprises the following steps: a material cleaning procedure, namely cleaning the residual materials for the last batch of injection in the left runner and the right runner;
the method comprises the following steps: debugging, namely debugging the amount of the polyethylene seal by pressure injection, adjusting the amount of the polyethylene seal by one-time pressure injection of the polyethylene melting device by adjusting a pressure injection hydraulic advance and retreat limiter, and performing normal production after the debugging is qualified;
the method comprises the following steps: a die assembly process, wherein one end of a seal of a pipe to be sealed is pushed to a limit position of a polyethylene pressure injection sealing device, a core die firstly runs in place, an upper opening die secondly runs in place, and a lower opening die secondly runs in place and is fastened;
the method comprises the following steps: a pressure injection procedure, namely starting one-time integral sealing pressure injection of molten polyethylene, and opening a cooling water valve to cool for 2 minutes after the pressure injection is finished;
the method comprises the following steps: a die opening procedure, namely, firstly withdrawing the core die, and then synchronously withdrawing the upper opening die and the lower opening die to finish the pressure injection;
the method comprises the following steps: taking out the tube, and withdrawing the sealed tube;
the method comprises the following nine steps: and (5) a checking procedure, namely trimming and finishing the sealed end of the pipe, and enabling the sealed pipe to enter a finished product warehouse after quality inspection is qualified.
The noun explains:
water supply and drainage pipe material: the patent refers to a polyethylene steel skeleton composite water supply and drainage pipe material, short for a water supply and drainage pipe material. The end opening surface of the water supply and drainage pipe cut to length is exposed by a built-in steel skeleton, and the end opening surface of the water supply and drainage pipe is sealed by batch, mould, different caliber specifications, high quality, high efficiency and disposable integral polyethylene melt pressure injection pipe through the polyethylene pressure injection sealing device.
Level: a plane parallel to the horizontal plane of the earth.
Axial direction: the axial direction of the pipe is defined as the axial direction.
Radial: radial of the pipe, defined as radial.
Left: the left side of the cross section of the port of the water supply and drainage pipe which faces the axial horizontal position is defined as the left side.
And (3) right: the right side of the cross section of the port of the water supply and drainage pipe facing the axial horizontal position is defined as the right side.
The method comprises the following steps: the plane parallel to the horizontal plane of the earth faces vertically upward and faces the upper side of the cross section of the horizontally-placed axial horizontally-placed water supply and drainage pipe port, and the upper side is defined as the upper side.
The following: the plane parallel to the horizontal plane of the earth is vertically downward and faces the lower side of the cross section of the horizontal axial horizontal water supply and drainage pipe port, and the lower side is defined as the lower side.
Side surface: the two sides of the cross section of the horizontal axial horizontal water supply and drainage pipe are respectively the left side and the right side.
The utility model discloses give drainage tubular product port polyethylene pressure injection and seal apparatus for producing's apparent characteristics and technological progress are: the technical route is a production device which integrally injects molten polyethylene into a sealing cavity of a mould at one time and finishes the sealing and shaping process at one time; the technical effects that the process flow is simple, the sealing quality is guaranteed, the sealing of the polyethylene to the end face of the exposed steel skeleton of the pipe cutting port is improved, and the compression resistance and the outer surface corrosion resistance of the pipe are improved; the realized technical purpose is to realize the port sealing of the polyethylene melting pressure injection pipe with large scale, batch, mould, different caliber specifications, high quality, high efficiency and one-time integration; the production and maintenance cost is reduced as much as possible, and the economic benefit is improved. And the defects that polyethylene cracks on the inner wall and the outer wall of the pipe end port, water leakage occurs, the service life is shortened and the like in transportation, installation and use are overcome.
Drawings
FIG. 1 is a schematic view of a polyethylene injection sealing production device for a port of a water supply and drainage pipe.
FIG. 2 is a schematic top view of a polyethylene injection sealing production device for a port of a water supply and drainage pipe.
FIG. 3 is a schematic left view of a polyethylene injection sealing production device for a port of a water supply and drainage pipe.
FIG. 4 is a schematic axial partial section view of a polyethylene injection sealing production device for a port of a water supply and drainage pipe.
FIG. 5 is a schematic view of a radial polyethylene feeding part of an injection sealing mold of a polyethylene injection sealing production device at a port of a water supply and drainage pipe.
FIG. 6 is a schematic view of a cross section of an injection seal of a polyethylene injection seal production device at a port of a water supply and drainage pipe.
FIG. 7 is a schematic view of a polyethylene injection sealing production device for water supply and drainage pipe ports.
In the figure: 1-lower mouth mold advancing and retreating limit screw, 2-hydraulic baffle B, 3-upper mouth mold advancing and retreating limit screw, 4-guide column, 5-upper mouth mold, 6-upper mouth mold advancing and retreating hydraulic cylinder, 7-upper mouth mold advancing and retreating limit device, 8-hydraulic baffle C, 9-lower mouth mold advancing and retreating limit device, 10-lower mouth mold, 11-lower mouth mold advancing and retreating hydraulic cylinder, 12-left side runner, 13-core mold advancing and retreating limit device, 14-core mold advancing and retreating hydraulic cylinder, 15-polyethylene extrusion device, 16-hydraulic station, 17-pressure injection hydraulic cylinder, 18-polyethylene melting cavity, 19-core mold positioning column, 20-right side runner, 21-core mold, 22-hydraulic baffle A, 23-core mold advancing and retreating limit screw, 24-upper mouth mold fixing table, 25-core die fixing table, 26-lower opening die fixing table, 27-pressure injection hydraulic advance and retreat limiter, 28-die cooling cavity, 29-seal, 30-pipe, 31-polyethylene melt and 32-steel skeleton.
Detailed Description
The polyethylene pressure injection sealing production device for the water supply and drainage pipe port is implemented in a construction site or a workshop where the water supply and drainage pipe port is required to be sealed.
The first embodiment,
And (3) cutting a port of the pipe with the nominal diameter of 315 mm for sealing, and selecting an injection molding sealing mold with the nominal diameter of 315 mm for sealing.
The polyethylene pressure injection sealing production device for the water supply and drainage pipe port comprises the following components: a lower mouth mold advancing and retreating limit screw 1, a hydraulic striker plate B2, an upper mouth mold advancing and retreating limit screw 3, a guide post 4, an upper mouth mold 5, an upper mouth mold advancing and retreating hydraulic cylinder 6, an upper mouth mold advancing and retreating limiter 7, a hydraulic striker plate C8, a lower mouth mold advancing and retreating limiter 9, a lower mouth mold 10, a lower mouth mold advancing and retreating hydraulic cylinder 11, a left runner 12, a core mold advancing and retreating limiter 13, a core mold advancing and retreating hydraulic cylinder 14, a polyethylene extrusion device 15, a hydraulic station 16, an injection hydraulic cylinder 17, a polyethylene melt cavity 18, a core mold positioning post 19, a right runner 20, a core mold 21, a hydraulic striker plate A22, a core mold advancing and retreating limit screw 23, an upper mouth mold fixing table 24, a core mold fixing table 25, a lower mouth mold fixing table 26, an injection hydraulic advancing and retreating limiter 27, a mold cooling cavity 28, a seal 29, a pipe 30, a polyethylene melt device 31, an upper end, The device comprises a base, a heating ring, a thermocouple and a cooling water valve;
the connection relationship is:
the upper port die 5 is connected with an upper port die fixing table 24, the upper port die fixing table 24 is connected with an upper port die advance and retreat hydraulic cylinder 6, the upper port die advance and retreat hydraulic cylinder 6 is fixedly connected with an upper end rack, an upper port die advance and retreat limiting stopper 7 is fixedly connected with the upper end rack, the guide column 4 is fixedly connected with the upper end rack, and the upper port die advance and retreat limiting screw 3 is fixedly connected with the upper end rack;
the core mold 21 is connected with a core mold fixing table 25, the core mold fixing table 25 is connected with a core mold advancing and retreating hydraulic cylinder 14, the core mold advancing and retreating hydraulic cylinder 14 is connected with a core mold rear end frame, the core mold rear end frame is connected with a base, a core mold positioning column 19 is connected with the core mold rear end frame, the core mold positioning column 19 is connected with a core mold front end frame, a core mold advancing and retreating limiter 13 is connected with the core mold front end frame, a core mold advancing and retreating limit screw 23 is connected with the core mold front end frame, and the core mold front end frame is connected with the base;
the lower port die 10 is connected with a lower port die fixing table 26, the lower port die fixing table 26 is connected with a lower port die advancing and retreating hydraulic cylinder 11, the lower port die advancing and retreating hydraulic cylinder 11 is fixedly connected with a lower end frame, a lower port die advancing and retreating limiting stopper 13 is fixedly connected with the lower end frame, a guide post 4 is fixedly connected with the lower end frame, a lower port die advancing and retreating limiting screw rod 1 is fixedly connected with the lower end frame, and the lower end frame is fixedly connected with a base; the upper mouth mold 5, the core mold 21 and the lower mouth mold 10 are all provided with mold cooling cavities 28;
the pressure injection hydraulic cylinder 17 is connected with a polyethylene melt cavity 18, the upper mouth mold advancing and retreating hydraulic cylinder 6 is connected with the upper mouth mold 5, the core mold advancing and retreating hydraulic cylinder 14 is connected with the core mold 21, and the lower mouth mold advancing and retreating hydraulic cylinder 11 is connected with the lower mouth mold 10;
polyethylene raw materials are fed into a polyethylene melt cavity 18 under the action of a polyethylene extrusion device 15, the polyethylene melt 31 enters a die seal cavity through a left runner 12 and a right runner 20 respectively under the action of a pressure injection hydraulic cylinder 17, and the port of the cut pipe is sealed by one-time pressure injection.
Example II,
And (3) cutting a port of the pipe with the nominal diameter of 800 mm for sealing, and selecting an injection molding sealing mold with the nominal diameter of 800 mm for sealing.
The rest is the same as above.
Claims (1)
1. The polyethylene pressure injection sealing production device for the port of the water supply and drainage pipe is characterized in that: the water supply and drainage pipe
The port polyethylene pressure injection sealing production device comprises the following components: a lower port die advancing and retreating limit screw, a hydraulic baffle B, an upper port die advancing and retreating limit screw, a guide post, an upper port die advancing and retreating hydraulic cylinder, an upper port die advancing and retreating limiter, a hydraulic baffle C, a lower port die advancing and retreating limiter, a lower port die advancing and retreating hydraulic cylinder, a left side runner, a core die advancing and retreating limiter, a core die advancing and retreating hydraulic cylinder, a polyethylene extrusion device, a hydraulic station, a pressure injection hydraulic cylinder, a polyethylene melting cavity, a core die positioning column, a right side runner, a core die, a hydraulic baffle A, a core die advancing and retreating limit screw, an upper port die fixing table, a core die fixing table, a lower port die fixing table, a pressure injection hydraulic advancing and retreating limiter, a die cooling cavity, a seal, a pipe, a polyethylene melting device, an upper end frame, a lower end frame, a core die front end;
the connection relation of the production device for the polyethylene pressure injection sealing of the water supply and drainage pipe port is as follows:
the upper port die is connected with an upper port die fixing table, the upper port die fixing table is connected with an upper port die advance and retreat hydraulic cylinder, the upper port die advance and retreat hydraulic cylinder is fixedly connected with an upper end rack, an upper port die advance and retreat limiter is fixedly connected with the upper end rack, a guide column is fixedly connected with the rack, and an upper port die advance and retreat limiting screw is fixedly connected with the upper end rack;
the core mould is connected with a core mould fixing table, the core mould fixing table is connected with a core mould advancing and retreating hydraulic cylinder, the core mould advancing and retreating hydraulic cylinder is connected with a core mould rear end machine frame, the core mould rear end machine frame is connected with a base, a core mould positioning column is connected with the core mould rear end machine frame, the core mould positioning column is connected with a core mould front end machine frame, a core mould advancing and retreating limiter is connected with the core mould front end machine frame,
the core mold advancing and retreating limiting screw is connected with a core mold front end frame, and the core mold front end frame is connected with the base;
the lower port die is connected with a lower port die fixing table, the lower port die fixing table is connected with a lower port die advancing and retreating hydraulic cylinder, the lower port die advancing and retreating hydraulic cylinder is fixedly connected with a lower end frame, a lower port die advancing and retreating limiter is fixedly connected with the lower end frame, a guide column is fixedly connected with the frame, a lower port die advancing and retreating limiting screw is fixedly connected with the lower end frame, and the lower end frame is fixedly connected with a base; the upper mouth die, the core die and the lower mouth die are all provided with die cooling cavities;
the pressure injection hydraulic cylinder is connected with the polyethylene melting cavity, the upper opening die advancing and retreating hydraulic cylinder is connected with the upper opening die, the core die advancing and retreating hydraulic cylinder is connected with the core die, and the lower opening die advancing and retreating hydraulic cylinder is connected with the lower opening die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828083.8U CN211492824U (en) | 2019-10-29 | 2019-10-29 | Polyethylene pressure injection sealing production device for water supply and drainage pipe port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828083.8U CN211492824U (en) | 2019-10-29 | 2019-10-29 | Polyethylene pressure injection sealing production device for water supply and drainage pipe port |
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| Publication Number | Publication Date |
|---|---|
| CN211492824U true CN211492824U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921828083.8U Active CN211492824U (en) | 2019-10-29 | 2019-10-29 | Polyethylene pressure injection sealing production device for water supply and drainage pipe port |
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| Country | Link |
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| CN (1) | CN211492824U (en) |
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- 2019-10-29 CN CN201921828083.8U patent/CN211492824U/en active Active
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