CN215791709U - Formed thermoplastic pipe rounding equipment - Google Patents
Formed thermoplastic pipe rounding equipment Download PDFInfo
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- CN215791709U CN215791709U CN202122020412.XU CN202122020412U CN215791709U CN 215791709 U CN215791709 U CN 215791709U CN 202122020412 U CN202122020412 U CN 202122020412U CN 215791709 U CN215791709 U CN 215791709U
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Abstract
The utility model relates to the technical field of thermoplastic solid-wall pipe rounding, in particular to formed thermoplastic pipe rounding equipment, which comprises a pipe transportation control device, a pipe internal and external heating device and a pipe rounding forming device; the pipe internal and external heating device and the pipe rounding forming device are arranged adjacently, and the pipe transportation control device is arranged in front of the pipe internal and external heating device and the pipe rounding forming device and used for transporting pipes; the pipe inner and outer heating device heats the pipe, and the pipe rounding forming device rounds the heated pipe. Can realize the control of tubular product whole circle process system, can solve the unusual circumstances that leads to because of manual operation when removing and placing tubular product, can solve the problem that whole circle tubular product whole circle back resumes original shape and size, especially can solve 800 and add the unable whole circle problem of realizing of 2000mm large-bore thick-walled tubular product prior art to do not harm tubular product at whole circle process, do not influence the tubular product performance.
Description
Technical Field
The utility model relates to the technical field of thermoplastic solid-wall pipe rounding, in particular to formed thermoplastic pipe rounding equipment.
Background
The information in this background section is only for enhancement of understanding of the general background of the utility model and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
At present, the thermoplastic pipe is easy to have a pipe product with large out-of-roundness in the production process, and the joint of the pipe product with large out-of-roundness in the use process has a plurality of problems, such as: PVC pipe products with large non-roundness cannot be normally installed in socket connection, or water leaks at the connection position due to poor matching of the pipe and the rubber ring; when PE and PPR pipe products with large non-circularity are connected in a hot melting or electric melting mode, the welding position is large in misalignment due to large non-circularity of the pipes or the pipes and the pipe fittings are matched, and the connecting position can be broken and leaked after long-term use; the PE and PPR pipes with large non-roundness have large contact surface gaps and insufficient welding after the pipe fittings are subjected to socket electric melting or hot melting welding, and the pressure bearing capacity is greatly reduced.
The existing pipe rounding equipment adopts the mode that the pipe port is directly clamped, and the pipe is pressed for a long time under the pressure of hydraulic equipment, so that the out-of-roundness of the pipe is reduced. The deformation of the thermoplastic pipe in the method is elastic deformation, the original shape and size can be recovered after a period of time, and the pipe with the recovered shape still seriously influences the use.
In addition, in the existing pipe rounding process, all the pipes are manually operated, the steps are very complicated, the pipes need to be hoisted by a crane controlled by personnel when being moved and placed, and the pipes are extremely easy to be damaged and scratched in the process, so that the appearance of the pipes is influenced.
Along with PE, PVC class tubular product is used more and more to the trunk line of municipal administration water supply and drainage pipe network, 1600mm has been produced to the biggest specification of PVC class product, the biggest specification of PE class product has been produced to 2000mm, and heavy-calibre thick-walled tubular product bore is great, the wall thickness is thick, the required extrusion force of whole circle is very big, current whole circle method can't realize the whole circle of this type of tubular product, and at tubular product whole circle in-process, whole for manual operation, the step is very loaded down with trivial details, tubular product is removing, the process of placing all needs personnel to control driving hoist and mount tubular product, the process is very easily damaged, scratch tubular product, will seriously influence tubular product outward appearance and performance.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the prior art, the utility model aims to provide a formed thermoplastic pipe rounding device, which can realize automatic conveying of pipes, reduce the operation of personnel in the pipe rounding process and solve the abnormal situation caused by manual operation when the pipes are placed in a moving way; the formed thermoplastic pipe rounding equipment comprises a set of internal and external heating equipment, when the internal and external heating equipment heats the pipe to exceed the glass transition temperature of the material, molecular chain segments can move, so that the deformation of the pipe is easier to occur, and the problem that the large-caliber thick-wall pipe cannot be rounded is particularly solved; the pipe is heated to exceed the glass transition temperature of the material and then is rounded, the process is plastic deformation and permanent deformation, and the problem that the pipe returns to the original shape and size after being rounded by the existing rounding technology is solved.
The technical scheme of the utility model is as follows:
a formed thermoplastic pipe rounding device comprises a pipe transportation control device, a pipe internal and external heating device and a pipe rounding forming device;
the pipe internal and external heating device and the pipe rounding forming device are arranged adjacently, and the pipe transportation control device is arranged in front of the pipe internal and external heating device and the pipe rounding forming device and used for transporting pipes; the pipe inner and outer heating device heats the pipe, and the pipe rounding forming device rounds the heated pipe.
In one or more embodiments, the number of the internal and external heating devices of the pipe is one or more; the heating device comprises an outer shell and an inner heating device, and further comprises an outer annular heater and an inner annular heater inside the outer annular heater; after in tubular product was transported the interior heating device of adding of tubular product, interior annular heater heated the inside of tubular product, and outer annular heater heats the outside of tubular product, and the heating temperature to tubular product can be realized more evenly to inside and outside concurrent heating.
In one or more embodiments, the pipe rounding forming device comprises a pipe outer wall rounding device and a pipe inner support rounding device positioned inside the pipe outer wall rounding device;
further, the outer walls of the pipe outer wall rounding device and the pipe inner support rounding device are provided with rounding dies;
further, an annular water cooling device is arranged between the pipe outer wall rounding device and the pipe inner support rounding device;
install a plurality of shower nozzles on the annular water cooling plant, the tubular product after like the rounding through the shower nozzle sprays cold water, realizes that tubular product cools off fast to the material glass transition temperature below, prevents that tubular product from being in under the high temperature nature change for a long time, has improved equipment rounding efficiency simultaneously.
In one or more embodiments, the pipe transportation control device comprises a conveying pipe frame and pipe conveying wheels, wherein the conveying pipe frame moves left and right, and the pipe conveying wheels are controlled by crawler wheels to move front and back;
furthermore, the pipe transportation control device also comprises an infrared limiting device, so that fixed-point stop in pipe transportation can be realized;
in one or more embodiments, the apparatus for rounding a formed thermoplastic pipe further comprises a fully automated control system that automates and controls the pipe transport control device, the pipe inside and outside heating device, and the pipe rounding forming device.
The utility model has the beneficial effects that:
the formed thermoplastic pipe rounding equipment can realize the systematic control of the pipe rounding process, can solve the abnormal situation caused by manual operation when the pipe is placed in a moving way, can solve the problem that the original shape and size of the rounded pipe are recovered after rounding, and particularly can solve the problem that the rounding of the 800 plus 2000mm large-caliber thick-wall pipe cannot be realized in the prior art, and does not damage the pipe in the whole rounding process and influence the performance of the pipe.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a front view of the apparatus for rounding a formed thermoplastic pipe according to the present invention.
FIG. 2 is a top view of the apparatus for rounding a formed thermoplastic pipe of the present invention.
The pipe conveying device comprises a pipe inner and outer heating device 1, a pipe outer wall rounding device 2, a pipe inner supporting rounding device 3, an annular water cooling device 4, a pipe conveying wheel 5 and a pipe frame for conveying 6.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
A formed thermoplastic pipe rounding device comprises a pipe transportation control device, a pipe internal and external heating device and a pipe rounding forming device;
the pipe internal and external heating device and the pipe rounding forming device are arranged adjacently, and the pipe transportation control device is arranged in front of the pipe internal and external heating device and the pipe rounding forming device and used for transporting pipes; the pipe inner and outer heating device heats the pipe, and the pipe rounding forming device rounds the heated pipe.
In one or more embodiments, the number of the internal and external heating devices of the pipe is one or more; the heating device comprises an outer shell and an inner heating device, and further comprises an outer annular heater and an inner annular heater inside the outer annular heater; after in tubular product was transported the interior heating device of adding of tubular product, interior annular heater heated the inside of tubular product, and outer annular heater heats the outside of tubular product, and the heating temperature to tubular product can be realized more evenly to inside and outside concurrent heating.
The highest heating temperature can be controlled at 300 ℃, through temperature setting and temperature control point detection, the heating device can heat thermoplastic pipes produced by different materials to exceed the glass transition temperature of the materials, molecular chain segments of the materials can move at the temperature, deformation of the pipes is realized, and particularly the problem that large-caliber thick-wall pipes cannot be round is solved. And after the temperature of the pipe exceeds the glass transition temperature of the material, the pipe is subjected to plastic deformation in the process of rounding, the pipe is subjected to permanent deformation, and the rounded pipe does not recover the original shape and size.
In one or more embodiments, the pipe rounding forming device comprises a pipe outer wall rounding device and a pipe inner support rounding device positioned inside the pipe outer wall rounding device;
further, the outer walls of the pipe outer wall rounding device and the pipe inner support rounding device are provided with rounding dies;
the pipe rounding forming device is powered by hydraulic equipment, a rounding die on the outer wall of the pipe outer wall rounding device and a rounding die on the outer wall of the pipe inner support rounding device are used for extruding the pipe at a certain length away from a port, the inner support die supports the pipe to realize the pipe rounding forming, and the formed thermoplastic pipe rounding equipment can realize the rounding of the 110 plus 2000mm caliber full-specification pipe by installing different rounding dies on the outer walls of the pipe outer wall rounding device and the pipe inner support rounding device, and after the extruding rounding process, the out-of-roundness of the pipe can be controlled to be below 0-5mm and is far smaller than the out-of-roundness range specified in the relevant pipe standard.
Further, an annular water cooling device is arranged between the pipe outer wall rounding device and the pipe inner support rounding device;
install a plurality of shower nozzles on the annular water cooling plant, the tubular product after like the rounding through the shower nozzle sprays cold water, realizes that tubular product cools off fast to the material glass transition temperature below, prevents that tubular product from being in under the high temperature nature change for a long time, has improved equipment rounding efficiency simultaneously.
In one or more embodiments, the pipe transportation control device comprises a conveying pipe frame and pipe conveying wheels, wherein the conveying pipe frame moves left and right, and the pipe conveying wheels are controlled by crawler wheels to move front and back;
furthermore, the pipe transportation control device also comprises an infrared limiting device, so that fixed-point stop in pipe transportation can be realized;
the pipe transportation control device can control and move a single 6-17 m PVC pipe or 2000mm PE pipe to the maximum extent, and the pipe moving and fixed point stopping are system automatic control, so that the pipe is not required to be carried in the rounding process, the labor cost is saved, and the pipe damage and scratch caused by personnel error in the pipe moving process are prevented.
In one or more embodiments, the formed thermoplastic pipe rounding apparatus further comprises a full automation control system, the full automation control system automates and controls the pipe transportation control device, the pipe internal and external heating device and the pipe rounding forming device, and the controller automatically controls the operation of the whole apparatus and monitors the state of each node of the apparatus, such as: the automatic control system realizes automatic control of the pipe rounding process system, and greatly reduces abnormal pipe rounding caused by manual operation.
As shown in fig. 1 and 2, a formed thermoplastic pipe rounding device comprises a pipe conveying wheel 5, a pipe frame 6 for conveying, a pipe internal and external heating device 1 and a pipe rounding forming device, wherein the pipe rounding forming device comprises a pipe outer wall rounding device 2, a pipe internal support rounding device 3 and an annular water cooling device 4;
the number of the pipe internal and external heating devices 1 is two, the pipe internal and external heating devices 1 and the pipe rounding forming device are arranged side by side, the pipe conveying wheel 5 and the pipe frame 6 for conveying are arranged in front of the internal and external annular heating devices 1 and the pipe rounding forming device, the pipe is moved left and right by the pipe frame 6 for conveying, the pipe conveying wheel 5 is controlled by the crawler wheel to move front and back, and the conveyed pipe enters the internal and external annular heating devices and the pipe rounding forming device;
the pipe internal and external heating device 1 consists of a shell and an internal heating device, and the heating device consists of an external annular heater and an internal annular heater inside the external annular heater; after the pipe is transported into the pipe internal and external heating device, the internal annular heater heats the inside of the pipe, the external annular heater heats the outside of the pipe, and the internal and external heating can realize more uniform heating temperature of the pipe;
the pipe rounding forming device comprises a pipe outer wall rounding device 2, a pipe inner support rounding device 3 and an annular water cooling device 4; the outer walls of the pipe outer wall rounding device 2 and the pipe inner support rounding device 3 are provided with rounding dies; the pipe rounding forming device is powered by hydraulic equipment, a rounding die on the outer wall of the pipe outer wall rounding device 2 and the outer wall of the pipe inner support rounding device 3 are used for extruding a pipe at a certain length away from a port, and the inner support die supports the pipe to realize the pipe rounding forming;
an annular water cooling device 4 is also arranged between the pipe outer wall rounding device and the pipe inner support rounding device; install a plurality of shower nozzles on the annular water cooling plant 4, through the shower nozzle like the tubular product after the rounding spray cold water, realize that tubular product cools off fast to the material glass transition temperature below, prevent that tubular product from being in under the high temperature nature change for a long time, improved equipment rounding efficiency simultaneously.
The formed thermoplastic pipe rounding equipment further comprises a full-automatic control system, the full-automatic control system is used for automatically controlling the pipe transportation control device, the pipe internal and external heating device and the pipe rounding forming device, and the controller is used for automatically controlling the operation of the whole equipment and monitoring the state of each node of the equipment.
As shown in fig. 1 and 2, the working process of the formed thermoplastic pipe rounding device is as follows: after a pipe needing to be rounded is placed on a pipe conveying wheel 5, the pipe is controlled by a crawler wheel to move back and forth, the stop position of the pipe is controlled by an infrared limiting device, the pipe is controlled by a conveying pipe frame 6 to move left and right, when the pipe moves to the front of an inner and outer pipe heating device 1, the inner and outer pipe heating device 1 is controlled by a hydraulic device to move forward, when the pipe moves to the fixed position of the inner and outer pipe heating device 1, the inner and outer pipe heating device 1 completely covers a pipe port, a heater in the inner and outer pipe heating device 1 heats the inner and outer walls of the pipe port, after heating is finished, the inner and outer pipe heating device 1 is controlled by the hydraulic device to move backward, the pipe is controlled by the conveying pipe frame 6 to move right to the front end of an outer pipe wall rounding device 2, then the pipe is controlled by the crawler wheel to enter the outer pipe wall rounding device 2, and the upper part, the lower part, the upper part, the lower part and the lower part, and the upper part of the lower part of the outer pipe wall rounding device 2, The lower outer wall rounding die is controlled by a hydraulic device to move towards the middle, the pipe port is extruded in the upper and lower outer wall rounding dies to be rounded, the pipe inner support rounding device 3 is controlled by the hydraulic device to move forwards, the inner support die in the pipe inner support rounding device 3 is installed in the pipe port, the pipe port is rounded under the combined action of the upper and lower outer wall rounding dies and the inner support die, then the pipe is cooled by a ring-shaped water cooling device provided with a plurality of spray heads, after cooling is finished, the pipe inner support rounding device 3 is controlled by the hydraulic device to move backwards to separate from the pipe, the upper and lower outer wall rounding dies in the pipe outer wall rounding device 2 are controlled by the hydraulic device to release the pipe, the pipe is controlled by a crawler wheel to move backwards to leave the pipe outer wall rounding device 2, and rounding operation is completed under the action of the pipe equipment.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A formed thermoplastic pipe rounding device is characterized by comprising a pipe transportation control device, a pipe internal and external heating device and a pipe rounding forming device;
the pipe internal and external heating device and the pipe rounding forming device are arranged adjacently, and the pipe transportation control device is arranged in front of the pipe internal and external heating device and the pipe rounding forming device and used for transporting pipes; the pipe inner and outer heating device heats the pipe, and the pipe rounding forming device rounds the heated pipe.
2. A shaped thermoplastic pipe rounding apparatus as claimed in claim 1, wherein the number of said internal and external heating means for the pipe is one or more; the heating device comprises a shell and an internal heating device.
3. A formed thermoplastic pipe rounding apparatus as claimed in claim 1, wherein said heating means comprises an outer annular heater and an inner annular heater within the outer annular heater.
4. The apparatus for rounding a formed thermoplastic pipe as recited in claim 1, wherein said means for rounding the pipe comprises means for rounding the outer wall of the pipe and means for rounding the inner wall of the pipe located within the means for rounding the outer wall of the pipe.
5. The apparatus for rounding a shaped thermoplastic pipe as defined in claim 1, wherein the rounding dies are disposed on the outer wall of the pipe outer wall rounding device and the pipe inner support rounding device.
6. A shaped thermoplastic pipe rounding apparatus as claimed in claim 1, wherein an annular water cooling means is further provided between said pipe outer wall rounding means and said pipe inner support rounding means.
7. A shaped thermoplastic pipe rounding apparatus as claimed in claim 1 wherein said annular water cooling means is provided with a plurality of spray heads through which cold water is sprayed like the pipe after rounding.
8. A formed thermoplastic pipe rounding apparatus as claimed in claim 1, wherein the pipe transport control means comprises a pipe rack for conveying which moves left and right and pipe transport wheels which move back and forth as controlled by track wheels.
9. A shaped thermoplastic pipe rounding apparatus as claimed in claim 1, wherein said pipe transport control means further comprises infrared stop means to enable a fixed point stop in the pipe transport.
10. The apparatus for rounding a formed thermoplastic pipe as recited in claim 1, further comprising a fully automated control system that automates and controls the pipe transport control device, the pipe inside and outside heating device, and the pipe rounding forming device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122020412.XU CN215791709U (en) | 2021-08-25 | 2021-08-25 | Formed thermoplastic pipe rounding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122020412.XU CN215791709U (en) | 2021-08-25 | 2021-08-25 | Formed thermoplastic pipe rounding equipment |
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| Publication Number | Publication Date |
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| CN215791709U true CN215791709U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122020412.XU Active CN215791709U (en) | 2021-08-25 | 2021-08-25 | Formed thermoplastic pipe rounding equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115504035A (en) * | 2022-10-21 | 2022-12-23 | 康美包（苏州）有限公司 | Straw heating unit and straw shaping device |
-
2021
- 2021-08-25 CN CN202122020412.XU patent/CN215791709U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115504035A (en) * | 2022-10-21 | 2022-12-23 | 康美包（苏州）有限公司 | Straw heating unit and straw shaping device |
| CN115504035B (en) * | 2022-10-21 | 2023-10-31 | 康美包（苏州）有限公司 | Straw heating unit and straw shaping device |
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