CN208497661U - The online pipe expander of external heated type pvc pipe and pvc pipe expansion pipe system - Google Patents
The online pipe expander of external heated type pvc pipe and pvc pipe expansion pipe system Download PDFInfo
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- CN208497661U CN208497661U CN201821084540.2U CN201821084540U CN208497661U CN 208497661 U CN208497661 U CN 208497661U CN 201821084540 U CN201821084540 U CN 201821084540U CN 208497661 U CN208497661 U CN 208497661U
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Abstract
The utility model provides a kind of online pipe expander of external heated type pvc pipe and the pvc pipe expansion pipe system for being equipped with the pipe expander, the pipe expander includes that auxiliary expands head and hot gas flow tube, it includes the cylindrical expansion body for keeping cylinder and circular platform type or tapered structure that auxiliary, which expands head, hot gas flow tube includes the thermal current tube body an of cylindrical structure, passes through vent branch for thermal current in being provided on thermal current tube body.The hot gas flow tube of external uses split type structure, is installed in outside and fixation that built-in auxiliary expands head, and when work, PVC mother tube, which by built-in auxiliary expands head, to carry out preliminary expander and expand again later.The utility model structure is simple, disassembling operations are convenient and efficient, expander flexible movements, the advantages that work efficiency is high.Using heating two schemes of expander and preparatory expander, can effectively solve the problem that due to low temperature expander and existing PVC mother tube the problem of being easy to appear rupture.
Description
Technical field
The utility model relates to tubing production equipment technologies, more specifically, in particular to a kind of external heated type
The online pipe expander of pvc pipe and a kind of pvc pipe expansion pipe system.
Background technique
In present life, with the development of construction industry, the demand of PVC (polyvinyl chloride, English abbreviation PVC) pipe is also got over
Come it is higher, as environmental requirement is increasingly stringenter, pvc pipe will also replace steel pipe become main piping material.
Present pvc pipe uses the production method of assembly line, according to the difference of produced caliber, using different expansion heads
Expander is carried out, for existing technique in expander, PVC mother tube temperature is lower, and when by expanding head, it is broken often to will appear tube wall
The phenomenon that splitting needs shutdown to remove rupture tubing from pipe expander if tube wall rupture, this will result in production and pauses,
Which not only reduces production operation efficiencies, also will cause the waste of raw material.
In conclusion how to solve in the prior art due to low temperature expander and existing PVC mother tube is easy to appear rupture
The problem of, become those skilled in the art's urgent problem to be solved.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of external online pipe expander of heated type pvc pipe, passes through
The design of its structure, can be improved temperature of the PVC mother tube in expander, to improve the efficiency of expander, prevent the rupture of pvc pipe wall
The phenomenon that occur.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of external online pipe expander of heated type pvc pipe, comprising:
Auxiliary expands head, and it includes cylindrical holding cylinder and circular platform type or tapered structure that the auxiliary, which expands head,
Expand body, the expansion body includes bigger diameter end and miner diameter end, and the diameter of the bigger diameter end keeps the transversal of cylinder with described
Face diameter is identical, and the expansion body is connect by its bigger diameter end with the holding cylinder, and the holding cylinder is split type structure,
The plane subdivision for keeping cylinder edge to be parallel to its axis is at least two cylinder units, whole cylinder unit spliceds
It is formed with the complete holding cylinder, the expansion body is split type structure, and the expansion body edge is parallel to its axis
Plane subdivision be at least two to expand body units, whole expansion body units has been spliced to form the complete expansion
Fill body;
Hot gas flow tube, the hot gas flow tube include the thermal current tube body an of cylindrical structure, and the auxiliary expands head
It is set in the thermal current tube body, the auxiliary, which expands, has interval and shape between head and the inner sidewall of the thermal current tube body
At have expand for PVC mother tube pass through by gap, in be provided on the thermal current tube body pass through for thermal current it is logical
Gas branch pipe, the vent branch are connected to described by gap.
Preferably, the hot gas flow tube is split type structure, and the hot gas flow tube is along the plane subdivision for being parallel to its axis
For at least two air hose units, whole air hose unit spliceds is formed with the complete hot gas flow tube;In described
At least one described vent branch is each provided on air hose unit.
Preferably, the cylinder unit is used to that the side that the expansion body unit docks to be provided with connecting plate, the expansion
It fills body unit to be fixedly connected with the connecting plate, the lateral surface of the lateral surface and the cylinder unit for expanding body unit is formed
There is a smooth expansion forming surface.
Preferably, the connecting plate is shaped on the cylinder unit;It is solid by bolt between the cylinder unit
Fixed connection;The expansion body unit is fixedly connected by bolt with the connecting plate;Pass through bolt between the expansion body unit
It is fixedly connected.
Preferably, the side that air hose unit adjacent thereto mutually splices is used in the air hose unit and be located at described
The lateral surface of air hose unit is provided with docking wing plate, and the docking wing plate between the air hose unit of adjacent two is solid by bolt
Fixed connection.
Preferably, it is one group with multiple vent branch and is formed with a branch pipe group, in the same branch pipe group
The vent branch be arranged along arranged at equal intervals are parallel on the axis direction of the hot gas flow tube;The branch pipe group is provided with
Multiple, whole branch pipe groups are set to the hot gas flow tube as rotation center using the axis of the hot gas flow tube at equal intervals
On.
Preferably, the cylinder unit is an integral structure;The expansion body unit is an integral structure.
The utility model additionally provides a kind of pvc pipe expansion pipe system, is used to carry out expander operation to PVC mother tube, including
There is expander rack, in being provided with mounting rod in the expander rack, main expansion head is provided with by the mounting rod.Based on above-mentioned
Structure design, the utility model further includes just like the above-mentioned external online pipe expander of heated type pvc pipe;
The external online pipe expander of heated type pvc pipe includes that auxiliary expands head and hot gas flow tube, the hot gas
Flow tube is sheathed on the outside that the auxiliary expands head;
The auxiliary, which expands, offers the through hole for running through its axis on head, the auxiliary expands head and passed through by described
Perforation is fixedly installed on the mounting rod, and along pvc pipe expander direction of travel, the auxiliary expands head and is set to the main expansion
The front end of head.
Preferably, the utility model further includes that bar is auxiliarily fixed, described to be auxiliarily fixed that bar is parallel with the mounting rod to be set
It sets, the bar that is auxiliarily fixed is fixedly connected with auxiliary expansion head;Described one end that bar is auxiliarily fixed is expanded from the auxiliary
The miner diameter end of head is inserted into and extends to the bigger diameter end that the auxiliary expands head, and the other end that bar is auxiliarily fixed extends outwardly simultaneously
It extend out to the outside of the hot gas flow tube.
Preferably, the bar that is auxiliarily fixed is provided with two, and bar is auxiliarily fixed described in two and is symmetrically divided into the installation
The two sides of bar.
Built-in auxiliary provided by the utility model expands head device and uses split type structure, and it includes expand body and holding
Cylinder two parts will expand body and connect with holding cylinder, be then fitted into the intrinsic main front end for expanding head of PVC production line,
What installation was used to assist expansion head fixed is auxiliarily fixed bar.The hot gas flow tube of external uses split type structure, is installed in
Built-in auxiliary expands outside and the fixation of head, and thermal current is imported and expands head to built-in auxiliary and PVC is former by when work
Expects pipe is heated.When work, PVC mother tube expands head by built-in auxiliary and carries out preliminary expander, then using original
The main expansion head of design completes pipe expanding.The utility model is with structure is simple, disassembling operations are convenient and efficient, expander movement
Flexibly, the advantages that work efficiency is high, most importantly: using heating two schemes of expander and preparatory expander, can effectively solve
Certainly in the prior art due to low temperature expander and the problem of existing PVC mother tube is easy to appear rupture.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Wherein:
Fig. 1 is the main view that auxiliary expands head in the utility model embodiment;
Fig. 2 is the right view that auxiliary expands head in the utility model embodiment;
Fig. 3 is the top view that auxiliary expands head in the utility model embodiment;
Fig. 4 is the three-view diagram that auxiliary expands head in the utility model embodiment;
Fig. 5 is the top view of hot gas flow tube in the operating condition in the utility model embodiment;
Fig. 6 is the A direction view of Fig. 5;
Fig. 7 is the three-view diagram of hot gas flow tube in the operating condition in the utility model embodiment;
Fig. 8 is the main view of hot gas flow tube in the operating condition in the utility model embodiment;
Fig. 9 is main view of the hot gas flow tube under vertical state in the utility model embodiment;
Figure 10 is side view of the hot gas flow tube under vertical state in the utility model embodiment;
Figure 11 is top view of the hot gas flow tube under vertical state in the utility model embodiment;
Figure 12 is three-view diagram of the hot gas flow tube under vertical state in the utility model embodiment;
In the accompanying drawings, the corresponding relationship of component names and appended drawing reference are as follows:
Cylinder 1 is kept, expands body 2, cylinder unit 3, expand body unit 4, thermal current tube body 5, vent branch 6, air hose list
Connecting plate 8, docking wing plate 9, mounting rod 10, bar 11 is auxiliarily fixed in member 7;
PVC mother tube a.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.Each example passes through the utility model
The mode of explanation provide rather than limit the utility model.In fact, those skilled in the art will be clear that, this reality is not being departed from
In the case where with novel range or spirit, it can modify in the present invention and modification.For example, being illustrated or described as one
The feature of a part of a embodiment can be used for another embodiment, to generate another embodiment.Thus, it may be desirable to
The utility model includes the such modifications and variations being included into the range of the following claims and their equivalents.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.Term used in the utility model " connected ", " connection " shall be understood in a broad sense,
For example, it may be being fixedly connected, may be a detachable connection;It can be directly connected, it can also be indirect by intermediate member
It is connected, for the ordinary skill in the art, can understands the concrete meaning of above-mentioned term as the case may be.
Fig. 1 is please referred to Figure 12.
The utility model provides a kind of external online pipe expander of heated type pvc pipe, expands for installation into PVC mother tube
On pipe production line, pre- tube enlarging operation can be carried out to PVC mother tube a.
In an embodiment of the utility model, which includes as follows
Two main composition components:
1, auxiliary expands head
Auxiliary expands head for installation on existing PVC mother tube expansion tube production line, and is located at main expansion head (primary producing line
Own structure) front end (pressing production technology), auxiliary, which expands head, to carry out pre- expander processing to PVC mother tube a.
In the present invention, it includes cylindrical holding cylinder 1 and circular platform type or tapered structure that auxiliary, which expands head,
Expansion body 2, using expand body 2 PVC mother tube a is expanded, the pipe after expansion realizes structure after keeping cylinder 1
Stabilization.
Specifically, expanding body 2 includes bigger diameter end and miner diameter end, and the diameter of miner diameter end is straight less than PVC mother tube a
Diameter, the diameter of bigger diameter end are greater than the diameter of PVC mother tube a.Before expanding, the miner diameter end for expanding body 2 is just inserted into PVC original
In expects pipe a, then PVC mother tube a is moved under external force, and the end (expanding 2 bigger diameter end of body) contacted with expansion body 2 is just
Expansion can be expanded under the action of expanding body 2.
It for the smooth degree slided when guaranteeing that PVC mother tube a expands, limits herein: expanding the diameter of the bigger diameter end of body 2
It is identical as the diameter of section of cylinder 1 is kept, expand body 2 and connect by its bigger diameter end with cylinder 1 is kept, that is, expands body 2 and be installed to
It keeps on cylinder 1, expanding body 2 can seamlessly transit with the connecting portion of cylinder 1 is kept.
Expand the assembling of head for the ease of auxiliary, in the present invention, cylinder 1 is kept to use split type structure, kept
Cylinder 1 is at least two cylinder units 3 along the plane subdivision for being parallel to its axis, and whole cylinder units 3 has been spliced to form one
A complete holding cylinder 1;Expansion body 2 is split type structure, and expanding body 2 along the plane subdivision for being parallel to its axis is at least two
A expansion body unit 4, whole expansion body units 4 have been spliced to form a complete expansion body 2.
In an embodiment of the utility model, keeping cylinder 1 includes that there are two cylinder unit 3, two cylinder lists
The structure of member 3 is identical;Expanding body 2 includes there are two expansion body unit 4, and the structures of two expansion body units 4 are identical.
In the another embodiment of the utility model, keeping cylinder 1 includes that there are three (or four) cylinder units
3, the structure of whole cylinder units 3 is identical;Expanding body 2 includes that there are three (or four) to expand body unit 4, whole expansions
The structure of body unit 4 is identical.
In said structure design, expands body 2 and adopted a split structure with cylinder 1 is kept, expansion body 2 can use as follows
Mode, which is installed to, to be kept on cylinder 1: being used to that the side that expansion body unit 4 docks be provided with connecting plate 8 in cylinder unit 3, even
The lateral surface of fishplate bar 8 sinks relative to the lateral surface of cylinder unit 3, so that being formed with one expands body unit 4 for installing
Avoiding space.
Expand body unit 4 to be fixedly connected with connecting plate 8, expands the lateral surface of body unit 4 and the lateral surface shape of cylinder unit 3
Cheng Youyi smooth expansion forming surfaces, also, limit herein: connecting plate 8 is shaped on cylinder unit 3;Cylinder unit 3
Between be bolted to connection;Expand body unit 4 to be fixedly connected by bolt with connecting plate 8;Expand between body unit 4 and passes through
Bolt is fixedly connected.It is achieved a fixed connection between the utility model all parts using bolt, attended operation is simple, connection jail
Gu operation is simple for the assembly and disassembly most importantly between all parts.
In the another embodiment of the utility model, expands between body unit 4 and be bolted, cylinder unit 3
Between be bolted, be respectively formed with expand body 2 and keep cylinder 1 after, expand body 2 be used for keep cylinder 1 connect
One end bigger diameter end of body 2 (expand) be provided with docking stud, be provided with docking screw hole on keeping cylinder 1, in such manner, it is possible to
Realize the threaded connection expanded between body 2 and holding cylinder 1.
In order to improve the structural strength that auxiliary expands head, in the present invention, cylinder unit 3 uses metal or ceramics
Material is as raw material integral structure;Expand body unit 4 using metal or ceramic material as raw material integral structure.
2, hot gas flow tube
Thermal current pipe sleeve is located at the outside that auxiliary expands head, can be passed through thermal current, to realize that auxiliary expands head
Preheating when heating and the subsequent expansion of pipe.
Specifically, hot gas flow tube includes the thermal current tube body 5 an of cylindrical structure, and auxiliary expands head and is set to hot gas
In flow tube body 5, auxiliary expands between head and the inner sidewall of thermal current tube body 5 to have to be spaced and be formed with and expand for PVC mother tube a
Fill by by gap, in being provided on thermal current tube body 5 for thermal current through vent branch 6, vent branch 6 with pass through
Gap connection.
Hot gas flow tube can use integral structure, can guarantee the precision and structural strength of its structure size in this way.
Hot gas flow tube can also use split type structure, be convenient for the installation of hot gas flow tube in the production line in this way.
In hot gas flow tube using in split type structure design, hot gas flow tube is at least along the plane subdivision of its axis is parallel to
Two air hose units 7, whole air hose units 7 have been spliced to form a complete hot gas flow tube;In being respectively arranged on air hose unit 7
There is at least one vent branch 6.Vent branch 6 can use the structure type of fast joint, with external thermal current supply arrangement
It is realized and is connected by pipeline, such thermal current is just able to enter in hot gas flow tube (passing through gap).
Specifically, hot gas flow tube is made of two air hose units 7, and the structure of two air hose units 7 is identical, air hose unit 7
Between achieved a fixed connection by bolt, specific structure is as follows: in air hose unit 7 be used for 7 phase of air hose unit adjacent thereto
It is provided on the side of splicing and positioned at the lateral surface of air hose unit 7 and docks wing plate 9, between two adjacent air hose units 7
Docking wing plate 9 is bolted to connection.
In addition, a hot gas flow tube can be by three or four air hoses in the other embodiments of the utility model
Unit 7 is constituted, and is bolted and fixed between two adjacent air hose units 7.
In order to guarantee the supply amount of thermal current inside hot gas flow tube, the utility model proposes following optimization designs: with more
A vent branch 6 is one group and is formed with a branch pipe group, and the vent branch 6 in the same branch pipe group is along being parallel to hot gas flow tube
Arranged at equal intervals are arranged on axis direction;Branch pipe group is provided with multiple, whole branch pipe groups with the axis of hot gas flow tube as rotation
Center is set at equal intervals in hot gas flow tube.Vent branch 6 is provided with multiple, can either improve thermal current in this way in the unit time
Supply amount, and can guarantee the consistency of hot gas flow tube internal temperature.
Based on the above-mentioned external online pipe expander of heated type pvc pipe, the utility model additionally provides a kind of new pvc pipe
Expansion pipe system, the pvc pipe expansion pipe system are used to carry out expander operation to PVC mother tube a.
Specifically, which includes expander rack, in being provided with mounting rod 10 in expander rack, is passed through
Mounting rod 10 is provided with main expansion head.It is additionally provided on mounting rod 10 such as the above-mentioned online expander dress of external heated type pvc pipe
It sets, the external online pipe expander of heated type pvc pipe includes that auxiliary expands head and hot gas flow tube, and thermal current pipe sleeve is set to auxiliary
Expand the outside of head.It is installed on mounting rod 10 in order to assist expanding head, the utility model expands on head in auxiliary to be opened
If one runs through the through hole of its axis, auxiliary expands head and is fixedly installed on mounting rod 10 by through hole, along PVC raw material
Pipe a expander direction of travel, auxiliary expand head be set to it is main expand head front end (i.e. PVC mother tube a first pass through auxiliary expand head,
Using main expansion head).
It rotates during the work time in order to avoid auxiliary expands after head is installed to mounting rod 10, the utility model will pass through
Perforated design is irregularly-shaped hole, such as cross section is the non-circular holes such as triangle, ellipse, auxiliary for installing fixation in mounting rod 10
The position for expanding head is helped to be processed into the shape with through hole shape adaptation, this makes it possible to improve auxiliary to expand head in mounting rod 10
The stability of upper setting avoids its problem that rotates.
In order to further increase the stability that auxiliary expands head installation, the utility model, which additionally provides, is auxiliarily fixed bar 11,
Bar 11 is auxiliarily fixed to be arranged in parallel with mounting rod 10, bar 11 is auxiliarily fixed and is fixedly connected with auxiliary expansion head;Bar 11 is auxiliarily fixed
One end from auxiliary expand head miner diameter end be inserted into and extend to auxiliary expansion head bigger diameter end, the other end of bar 11 is auxiliarily fixed
Extend outwardly and extend out to the outside of hot gas flow tube.
Specifically, bar 11 is auxiliarily fixed and is provided with two, two be auxiliarily fixed that bar 11 is symmetrically divided into mounting rod 10 two
Side.
The utility model expands head by built-in auxiliary and external hot gas flow tube forms, and the utility model uses dissection type
Structure, built-in auxiliary expand head and are mounted on before intrinsic main expansion head, then expand outside head in auxiliary and install thermal current
Pipe when work, is imported thermal current by hot gas flow tube, is heated built-in auxiliary and is expanded head, increases its temperature, PVC raw material
When pipe a expands head by built-in auxiliary, caliber expands, while the thermal current of hot gas flow tube will guarantee the temperature of PVC mother tube a
Degree, is convenient for the tube enlarging operation of next step.
Built-in auxiliary provided by the utility model expands head device and uses split type structure, and it includes expand body 2 and protect
1 two parts of cylinder are held, body 2 will be expanded and cylinder 1 is kept to connect, are then fitted into the intrinsic main expansion head of PVC production line
Front end, what installation was used to assist expansion head fixed is auxiliarily fixed bar.The hot gas flow tube of external uses split type structure, is pacified
Expand outside and the fixation of head mounted in built-in auxiliary, when work by thermal current import and to built-in auxiliary expand head and
PVC mother tube a is heated.When work, PVC mother tube a expands head by built-in auxiliary and carries out preliminary expander, then again
By intrinsic main expansion head, pipe expanding is completed.The utility model is with structure is simple, disassembling operations are convenient and efficient, expands
Pipe flexible movements, the advantages that work efficiency is high, most importantly:, can using heating two schemes of expander and preparatory expander
Effectively solve the problems, such as in the prior art due to low temperature expander and existing PVC mother tube a is easy to appear rupture.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for the skill of this field
For art personnel, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, made
Any modification, equivalent substitution, improvement and etc., should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of external online pipe expander of heated type pvc pipe characterized by comprising
Auxiliary expands head, and it includes cylindrical holding cylinder (1) and circular platform type or tapered structure that the auxiliary, which expands head,
Expand body (2), the expansion body includes bigger diameter end and miner diameter end, the cross of the diameter of the bigger diameter end and the holding cylinder
Diameter of section is identical, and the expansion body is connect by its bigger diameter end with the holding cylinder, and the holding cylinder is dissection type knot
Structure, the plane subdivision for keeping cylinder edge to be parallel to its axis is at least two cylinder units (3), whole cylinder lists
Member has been spliced to form the complete holding cylinder, and the expansion body is split type structure, and the expansion body edge is parallel to
The plane subdivision of its axis be at least two expand body unit (4), whole expansion body units be spliced to form one it is complete
The whole expansion body;
Hot gas flow tube, the hot gas flow tube include the thermal current tube body (5) an of cylindrical structure, and the auxiliary expands head and sets
It is placed in the thermal current tube body, the auxiliary, which expands to have between head and the inner sidewall of the thermal current tube body, to be spaced and formed
Have for PVC mother tube expand pass through by gap, pass through ventilation for thermal current in being provided on the thermal current tube body
Branch pipe (6), the vent branch are connected to described by gap.
2. the external online pipe expander of heated type pvc pipe according to claim 1, which is characterized in that
The hot gas flow tube is split type structure, and the hot gas flow tube is at least two wind along the plane subdivision for being parallel to its axis
Pipe unit (7), whole air hose unit spliceds are formed with the complete hot gas flow tube;
In being each provided at least one described vent branch on the air hose unit.
3. the external online pipe expander of heated type pvc pipe according to claim 1, which is characterized in that
The cylinder unit is used to be provided with connecting plate (8) with the side that the expansion body unit docks, the expansion body unit
It is fixedly connected with the connecting plate, the lateral surface of the lateral surface for expanding body unit and the cylinder unit is formed with one and puts down
Sliding expansion forming surface.
4. the external online pipe expander of heated type pvc pipe according to claim 3, which is characterized in that
The connecting plate is shaped on the cylinder unit;
It is bolted to connection between the cylinder unit;
The expansion body unit is fixedly connected by bolt with the connecting plate;
It is bolted to connection between the expansion body unit.
5. the external online pipe expander of heated type pvc pipe according to claim 2, which is characterized in that
In the side that the air hose unit mutually splices for air hose unit adjacent thereto and outside the air hose unit
Side is provided with docking wing plate (9), and the docking wing plate between the air hose unit of adjacent two is bolted to connection.
6. the external online pipe expander of heated type pvc pipe according to claim 1, which is characterized in that
It is one group with multiple vent branch and is formed with a branch pipe group, the ventilation branch in the same branch pipe group
Pipe is arranged along arranged at equal intervals on the axis direction of the hot gas flow tube are parallel to;
The branch pipe group be provided with multiple, whole branch pipe groups using the axis of the hot gas flow tube as rotation center at equal intervals
It is set in the hot gas flow tube.
7. the external online pipe expander of heated type pvc pipe according to any one of claims 1 to 6, which is characterized in that
The cylinder unit is an integral structure;
The expansion body unit is an integral structure.
8. a kind of pvc pipe expansion pipe system includes expander rack, in described for carrying out expander operation to PVC mother tube (a)
It is provided with mounting rod (10) in expander rack, main expansion head is provided with by the mounting rod, which is characterized in that
It further include just like any one of claim 1 to the 7 external online pipe expander of heated type pvc pipe;
The external online pipe expander of heated type pvc pipe includes that auxiliary expands head and hot gas flow tube, the hot gas flow tube
It is sheathed on the outside that the auxiliary expands head;
The auxiliary, which expands, offers the through hole for running through its axis on head, the auxiliary expands head and passes through the through hole
It is fixedly installed on the mounting rod, along pvc pipe expander direction of travel, the auxiliary expands head and is set to the main expansion head
Front end.
9. pvc pipe expansion pipe system according to claim 8, which is characterized in that
It further include being auxiliarily fixed bar (11), the bar that is auxiliarily fixed is arranged in parallel with the mounting rod, described that bar is auxiliarily fixed
Expand head with the auxiliary to be fixedly connected;
Described one end that bar is auxiliarily fixed, which is inserted into from the miner diameter end that the auxiliary expands head and extends to the auxiliary, expands head
Bigger diameter end, the other end that bar is auxiliarily fixed extend outwardly and extend out to the outside of the hot gas flow tube.
10. pvc pipe expansion pipe system according to claim 9, which is characterized in that
The bar that is auxiliarily fixed is provided with two, and the two sides that bar is symmetrically divided into the mounting rod are auxiliarily fixed described in two.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821084540.2U CN208497661U (en) | 2018-07-09 | 2018-07-09 | The online pipe expander of external heated type pvc pipe and pvc pipe expansion pipe system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821084540.2U CN208497661U (en) | 2018-07-09 | 2018-07-09 | The online pipe expander of external heated type pvc pipe and pvc pipe expansion pipe system |
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CN208497661U true CN208497661U (en) | 2019-02-15 |
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ID=65283861
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CN201821084540.2U Active CN208497661U (en) | 2018-07-09 | 2018-07-09 | The online pipe expander of external heated type pvc pipe and pvc pipe expansion pipe system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109049654A (en) * | 2018-07-09 | 2018-12-21 | 山东钢铁股份有限公司 | The online pipe expander of external heated type pvc pipe and pvc pipe expansion pipe system |
-
2018
- 2018-07-09 CN CN201821084540.2U patent/CN208497661U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109049654A (en) * | 2018-07-09 | 2018-12-21 | 山东钢铁股份有限公司 | The online pipe expander of external heated type pvc pipe and pvc pipe expansion pipe system |
CN109049654B (en) * | 2018-07-09 | 2024-05-07 | 山东钢铁股份有限公司 | External heating type PVC pipe online pipe expanding device and PVC pipe expanding system |
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