CN107538727A - A kind of plastic pipe enlarging production line - Google Patents
A kind of plastic pipe enlarging production line Download PDFInfo
- Publication number
- CN107538727A CN107538727A CN201610502878.4A CN201610502878A CN107538727A CN 107538727 A CN107538727 A CN 107538727A CN 201610502878 A CN201610502878 A CN 201610502878A CN 107538727 A CN107538727 A CN 107538727A
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- plastic pipe
- frame
- enlarging
- production line
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- 239000004033 plastic Substances 0.000 title claims abstract description 166
- 229920003023 plastic Polymers 0.000 title claims abstract description 166
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 238000003754 machining Methods 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention discloses a kind of plastic pipe enlarging production line, including frame, the conveyer for sending plastic pipe, the transfer device that plastic pipe is transferred to relevant position, the heater heated to plastic pipe and the expanding device that enlarging is carried out to the plastic pipe that heating is completed are provided with frame.This programme uses new mechanical structure.The present invention has advantages below and effect：By the combination of multiple devices, realize the enlarging effect to plastic pipe, during without manually carry, the accurate positioning to plastic pipe is high in machining efficiency.
Description
Technical field
The present invention relates to the manufacture field of plastic pipe, the enlarging production line of more particularly to a kind of plastic pipe.
Background technology
Pipeline be people's daily life production in be used for supply water, the facility of draining, pipeline limited length in production, in order to meet the requirement of long distance delivery water, need to connect more segment pipes, it is general to be attached by the way of socket for the pipeline of PVC or HDPE types, thus need the both ends radius of pipeline to differ, because this kind of pipeline is the consistent tubulose of integral radius after first one-step forming, thus also need to further carry out enlarging reprocessing to one end of pipeline.
Publication No. CN105500684A, the day for announcing are 2016.04.20 Chinese patent《Pipeline enlarging machine》Disclose a kind of pipeline enlarging machine, including frame, heating system, bellmouth system and control system, wherein heating system includes heater box, the clamping device being located in frame, heater box front end is provided with opening, clamping device is arranged in frame including the upper holder being respectively positioned in front of heater box and lower holder, upper holder by top lowering or hoisting gear, and lower holder is arranged in frame by bottom lowering or hoisting gear；Bellmouth system includes flaring die, rotary shaft and the airduct in the frame, and flaring die is horizontally disposed and is connected with rotary shaft, the air outlet of airduct towards flaring die middle-end and be in same vertical plane with it, and air outlet is set to flat mouth；Control system includes controller and the heating sensor and enlarging sensor that are electrically connected with the controller respectively, and wherein heating sensor is outside heater box opening, and enlarging sensor is above flaring die.The present invention realizes Automated condtrol, improves processing efficiency, and ensure that crudy.
The control of foregoing invention bronze drum automation, realize the function of the enlarged open of plastic pipe to plastic pipe, improve processing efficiency, but during being processed to pipeline, or need that plastic pipe manually is transported into bellmouth system from heating system, the efficiency of production is impacted.
The content of the invention
It is an object of the invention to provide a kind of plastic pipe enlarging production line of automatic transporting plastic pipe.
The present invention above-mentioned technical purpose technical scheme is that：A kind of plastic pipe enlarging production line, including frame, it is provided with the frame
Conveyer：Including the transmission wheel group positioned at frame side and it is multigroup along plastic pipe axially and the driven wheels that are arranged side by side with the transmission wheel group；
Transfer device：Including multiple lift cylinders being axially distributed along plastic pipe, the lift cylinder upper end is connected by connecting rod, the axially arranged of the connecting rod upper end edge plastic pipe has multiple support frames for being used to support plastic pipe, the lift cylinder lower end is connected by supporting plate, and the sliding cylinder for promoting the supporting plate to move in the horizontal direction is provided with the frame；
Heater：Including the rotation roller group in frame and it is multigroup along plastic pipe axially and the rotating wheel group that is arranged side by side with the driving wheel group, the position relative with the rotation roller group is provided with heater box along the axial slip of plastic pipe in the frame；
Expanding device：Including the driving wheel group in frame and it is multigroup along plastic pipe axially and the scroll wheel groups that are arranged side by side with the driving wheel group, the one end of the driving wheel group away from the scroll wheel groups is provided with enlarging case in the frame, the locating ring for gripping plastic pipe is provided between the enlarging case and the scroll wheel groups.
By using above-mentioned technical proposal,Plastic pipe is sent to by corresponding position by the transmission wheel on conveyer and driven pulley,The lift cylinder in transfer device is recycled to support plastic pipe,Effect by sliding cylinder changes the position of supporting plate,Plastic pipe is transferred to above heater,The valency of liter cylinder declines,Plastic pipe is rotated the support of wheel group,Heater box is moved to the end of plastic pipe and parcel plastic pipe,The rotation of plastic pipe is realized by driving wheel group,It is heated evenly plastic pipe,Heater box removes after the completion of heating,Drive stops operating,Cylinder is supported to rise plastic pipe lifting,Plastic pipe is transferred to above the rotating wheel group of expanding device by sliding cylinder again,Lift cylinder declines,Plastic pipe is rotated the support of wheel group,Plastic pipe is transferred in enlarging case by rotating wheel group,Plastic pipe is clamped by locating ring,Then the effect of enlarging is realized,Rotating wheel group inverts after the completion of enlarging,Plastic pipe is released into enlarging case,Need not manually it be carried during plastic pipe enlarging,Labour is liberated,Improve processing efficiency,.
The present invention is further arranged to：Be provided with compression roller group plastic pipe being pushed against in the rotation roller group above the rotation roller group in vertical direction sliding, the compression roller group is connected with the first compression cylinder.
By using above-mentioned technical proposal, compress the setting of roller group, pass through the effect of the first compression cylinder, plastic pipe can be pushed against and rotated in roller group, increase plastic pipe and rotate the frictional force between roller group, the rotation of plastic pipe is facilitated, plastic pipe can equably be heated, and be convenient for the enlarging process to plastic pipe.
The present invention is further arranged to：Be provided with contact roller group plastic pipe being pushed against in told driving wheel group, the contact roller group is connected with the second compression cylinder above the driving wheel group.
By using above-mentioned technical proposal, the setting of contact roller group, pass through the effect of the second cylinder, add the frictional force between plastic pipe and drive, the movement of axial direction occurs in the presence of drive for plastic pipe, reduces the probability that plastic pipe skids, improves the efficiency to plastic pipe transmission.
The present invention is further arranged to：The sliding semi-ring that the locating ring is arranged on above the positions semi-ring by the positions semi-ring being fixed in frame and sliding forms.
By using above-mentioned technical proposal, the combination positions semi-ring and sliding semi-ring for sliding semi-ring and positions semi-ring combine, by the movement for sliding semi-ring, combined with positions semi-ring, the clamping to plastic pipe is realized, plastic pipe is fixed, is easy to enlarging case to carry out enlarging process to plastic pipe, position skew will not occur for plastic pipe, improve the quality of plastic pipe enlarging.
The present invention is further arranged to：The locating rod group for fixing the positions semi-ring is provided with the frame.
By using above-mentioned technical proposal, the setting of locating rod group, the support to positions semi-ring and fixation are realized, positions semi-ring will not be moved, and the clamping action to plastic pipe can be better achieved, and lift the stability of plastic pipe.
The present invention is further arranged to：The clamping cylinder for connecting the sliding semi-ring is provided with the frame.
By using above-mentioned technical proposal, the setting of clamping cylinder, the effect that sliding semi-ring is pushed to stationary half is realized, the clamping action to plastic pipe is realized, plastic pipe is fixed, when clamping cylinder loosens, clamping action no longer is carried out to plastic pipe, plastic pipe can move.
The present invention is further arranged to：The heater box includes housing, the heating sucker rod positioned at housing central section and the multiple electrothermal tubes for being distributed and taking the shape of the letter U around the heating sucker rod that sliding is connected in frame.
By using above-mentioned technical proposal, heating sucker rod in housing realizes the function of being heated to the inside of plastic pipe, and multiple circular heating sucker rods distributions and the electrothermal tube that takes the shape of the letter U then the outside of plastic pipe is heated, plastic pipe is heated with carrying out Omnibearing even, improves the quality of plastic pipe enlarging.
The present invention is further arranged to：Electric heating piece is distributed with the electric heating pipe outer wall.
By using above-mentioned technical proposal, the setting of electric heating piece, preferably the heat in electrothermal tube can be come out, the efficiency for softening plastic pipe be improved, so as to improve processing efficiency.
The present invention is further arranged to：The enlarging case includes enlarging shell, flaring die and the propulsion cylinder for promoting the flaring die movement.
By using above-mentioned technical proposal, propulsion cylinder pushes flaring die to the plastic pipe of softening, when flaring die enters the end of plastic pipe, realizes the enlarging effect to plastic pipe, the efficiency high of enlarging is carried out to plastic pipe, enlarging is stable.
The present invention is further arranged to：Multiple spray heads for being used to cool down plastic pipe also are distributed with around the flaring die in the enlarging case.
By using above-mentioned technical proposal, setting for spray head can carry out quick cooling effect to the plastic pipe that enlarging is completed, and lift processing efficiency, and spray head is distributed around flaring die, plastic pipe can uniformly be heated, so as to lift the quality after the completion of plastic pipe enlarging.
In summary, the invention has the advantages that：Plastic pipe is sent on transfer device by conveyer, plastic pipe is transferred to by heater by transfer device, rotating wheel on heater rotates the rotation for realizing plastic pipe, heater box surrounds the end of plastic pipe, realize the uniform heating to plastic pipe, then plastic pipe is being moved on expanding device by transfer device, clamping to plastic pipe is realized by locating ring, flaring die realizes the enlarging effect to plastic pipe in the presence of propulsion cylinder, without manually carrying in the transfer process of plastic pipe, labour has been liberated, has improved processing efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is A portions enlarged drawing in Fig. 1；
Fig. 3 is the schematic diagram of heater box；
Fig. 4 is the schematic diagram of enlarging case；
In figure：1st, frame；2nd, transmission wheel group；3rd, driven wheels；4th, lift cylinder；5th, connecting rod；6th, support frame；7th, supporting plate；8th, cylinder is slid；9th, roller group is rotated；91st, rotating wheel group；10th, heater box；101st, housing；102nd, heating sucker rod；103rd, electrothermal tube；11st, driving wheel group；12nd, scroll wheel groups；13rd, enlarging case；131st, enlarging shell；132nd, flaring die；133rd, propulsion cylinder；14th, locating ring；141st, positions semi-ring；142nd, semi-ring is slid；15th, roller group is compressed；16th, the first compression cylinder；17th, contact roller group；18th, the second compression cylinder, 19, locating rod group；20th, clamping cylinder；21st, electric heating piece；22nd, spray head.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, a kind of plastic pipe enlarging production line, including frame 1, frame 1 are formed by more square tubes solderings, realize the supporting role to plastic pipe.
It is conveyer in the side of frame 1, realize the effect for transmitting plastic pipe, conveyer includes the transmission wheel group 2 being arranged in frame 1, the axial direction of transmission wheel group 2 and the axially vertical of plastic pipe and on the horizontal plane, transmission wheel connects motor, transmission wheel group 2 rotates under the drive of motor, realize the transmission to plastic pipe, it is arranged with multigroup driven wheels 3 in parallel with transmission wheel group 2 in frame 1, plastic pipe and frame 1 are separated, reduce the frictional force between plastic pipe and frame 1 by driven wheels 3, facilitate the movement of plastic pipe.
When plastic pipe is sent to particular location by conveyer, transmission wheel stops operating, and plastic pipe no longer moves, then is realized by transfer device by the function of plastic pipe position transfer.
Transfer device is included being arranged in frame 1 along axial and horizontally disposed multiple sliding cylinders 8 of plastic pipe, sliding cylinder 8 is arranged on side of the frame 1 away from conveyer, the piston rod of multiple sliding cylinders 8 connects same supporting plate 7, realizes that supporting plate 7 is made and the axially vertical linear motion of plastic pipe in the horizontal plane by sliding the motion of piston rod of cylinder 8.Axially arranged in the upper end edge plastic pipe of supporting plate 7 has multiple lift cylinders 4, lift cylinder 4 is arranged on the lower end of supporting plate 7, its piston rod is fed through supporting plate 7 and set upward, it is attached between the piston rod of multiple lift cylinders 4 by a connecting rod 5, moving up and down for connecting rod 5 can be realized by the effect of lift cylinder 4.Multiple support frames 6 also are distributed with along the axial direction of plastic pipe in the upper end of connecting rod 5, the upper end of support frame 6 is provided with the limiting plate of arc, for being defined effect to plastic pipe.
Transfer device is got up plastic pipe lifting by lift cylinder 4, position transfer to plastic pipe is being realized by sliding cylinder 8, plastic pipe is transferred to the top of heater, then realizes that plastic pipe declines by lift cylinder 4, plastic pipe is placed on heater.
Heater includes the rotation roller group 9 in frame 1, the axial direction for rotating roller group 9 is consistent with the axial direction of plastic pipe, it is located in same level along the axial direction of plastic pipe in frame 1 and with rotating roller group 9 and is provided with driving wheel group 11, driving wheel group 11 realizes the supporting role to plastic pipe, plastic pipe is separated with frame 1, be easy to the motion of plastic pipe.
Rotate roller group 9 and be connected with motor, the rotation of plastic pipe is realized under the drive of motor, contact roller group 17 is additionally provided with the surface for rotating roller group 9, contact roller group 17 realizes the movement in vertical direction by the compression cylinder being connected in frame 1, compression cylinder is arranged on the top of frame 1, when the first compression cylinder 16 promotes contact roller group 17 to push, contact roller group 17 contradicts the surface of plastic pipe, plastic pipe is pushed against and rotated in roller group 9, increase plastic pipe and rotate the frictional force between roller group 9, so as to reduce the probability that plastic pipe skids when rotating roller rotates, improve the slewing rate of plastic pipe.
As shown in Figure 3, also sliding is provided with heater box 10 in frame 1, heater box 10 includes housing 101, the heating sucker rod 102 positioned at the middle part of housing 101 and the electrothermal tube 103 being distributed around heating sucker rod 102, electrothermal tube 103 takes the shape of the letter U, multiple electric heating pieces 21 are also distributed with outside electrothermal tube 103, quickly come out the energy on electrothermal tube 103.
In the stable rotation of plastic pipe, heater box 10 slides towards plastic pipe and slid, the end of plastic pipe is wrapped up, heating sucker rod 102 is located at the middle part of plastic pipe, and electrothermal tube 103 is looped around the outside of plastic pipe, realizes the Omnidirectional heating to plastic cement tube end, soften plastic pipe, when plastic pipe, which heats, to be completed, heater box 10 removes, and rotating roller stops operating.
After the completion of plastic pipe heating, plastic pipe is supported by the lift cylinder 4 in transfer device, it is transferred to by sliding cylinder 8 above expanding device, then lift cylinder 4 declines, plastic pipe is flared the driving wheel group 11 of device and multigroup scroll wheel groups 12 being arranged side by side with driving wheel group 11 support, enlarging case 13 is additionally provided with one end that plastic pipe heating is completed, driving wheel group 11 connects motor, contact roller group 17 is controlled to decline by the second compression cylinder 18, plastic pipe is pushed against in driving wheel group 11, add the frictional force between driving wheel group 11 and plastic pipe, plastic pipe is sent in enlarging shell 131 by drive under the drive of motor.
As shown in Figure 4, locating ring 14 is additionally provided between enlarging case 13 and scroll wheel, locating ring 14 is made up of the positions semi-ring 141 fixed by locating rod group 19 and the sliding semi-ring 142 driven by clamping cylinder 20, sliding cylinder 8 is arranged on the top of frame 1, sliding semi-ring 142 is pushed down on, combined with positions semi-ring 141, realize the fixation to plastic pipe, plastic pipe can not be moved.
When plastic pipe is fixed, the flaring die 132 in enlarging case 13 is moved in the presence of propulsion cylinder 133 to plastic pipe, and flaring die 132 enters inside plastic pipe, and the plastic pipe of softening is opened, and realizes the enlarging effect to plastic pipe.
Flaring die 132 is provided with multiple spray heads 22 in enlarging case 13, after the completion of to plastic pipe enlarging, plastic pipe is cooled by the water sprayed in spray head 22, realizes the quick cooling of plastic pipe.
After the completion of plastic pipe cooling, flaring die 132 separates in the presence of propulsion cylinder 133 with plastic pipe, and sliding semi-ring 142 rises in the presence of clamping cylinder 20, is separated with plastic pipe, and the enlarging to plastic pipe is completed.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as all being protected in scope of the presently claimed invention by Patent Law.
Claims (10)
1. a kind of plastic pipe enlarging production line, including frame（1）, the frame（1）On be provided with
Conveyer：Including positioned at frame（1）The transmission wheel group of side（2）And it is multigroup along plastic pipe axially and with the transmission wheel group（2）The driven wheels being arranged side by side（3）；
Transfer device：Including multiple lift cylinders being axially distributed along plastic pipe（4）, the lift cylinder（4）Upper end passes through connecting rod（5）Connection, the connecting rod（5）The axially arranged of upper end edge plastic pipe has multiple support frames for being used to support plastic pipe（6）, the lift cylinder（4）Lower end passes through supporting plate（7）Connection, the frame（1）On be provided with for promoting the supporting plate（7）The sliding cylinder moved in the horizontal direction（8）；
Heater：Including positioned at frame（1）On rotation roller group（9）And it is multigroup along plastic pipe axially and with the driving wheel group（11）The rotating wheel group being arranged side by side（91）, the frame（1）The upper and rotation roller group（9）Relative position is provided with heater box along the axial slip of plastic pipe（10）；
Expanding device：Including positioned at frame（1）On driving wheel group（11）And it is multigroup along plastic pipe axially and with the driving wheel group（11）The scroll wheel groups being arranged side by side（12）, the frame（1）It is upper to be located at the driving wheel group（11）Away from the scroll wheel groups（12）One end be provided with enlarging case（13）, the enlarging case（13）With the scroll wheel groups（12）Between be provided with the locating ring for gripping plastic pipe（14）.
A kind of 2. plastic pipe enlarging production line according to claim 1, it is characterised in that：The rotation roller group（9）Top is provided with vertical direction sliding plastic pipe being pushed against the rotation roller group（9）On compression roller group（15）, the compression roller group（15）It is connected with the first compression cylinder（16）.
A kind of 3. plastic pipe enlarging production line according to claim 1, it is characterised in that：The driving wheel group（11）Top is provided with is pushed against told driving wheel group by plastic pipe（11）On contact roller group（17）, the contact roller group（17）It is connected with the second compression cylinder（18）.
A kind of 4. plastic pipe enlarging production line according to claim 1, it is characterised in that：The locating ring（14）By being fixed on frame（1）On positions semi-ring（141）And sliding is arranged on the positions semi-ring（141）The sliding semi-ring of top（142）Composition.
A kind of 5. plastic pipe enlarging production line according to claim 4, it is characterised in that：The frame（1）On be provided with for fixing the positions semi-ring（141）Locating rod group（19）.
A kind of 6. plastic pipe enlarging production line according to claim 4, it is characterised in that：The frame（1）On be provided with the connection sliding semi-ring（142）Clamping cylinder（20）.
A kind of 7. plastic pipe enlarging production line according to claim 1, it is characterised in that：The heater box（10）Frame is connected to including sliding（1）On housing（101）, positioned at housing（101）The heating sucker rod at middle part（102）It is and multiple around the heating sucker rod（102）The electrothermal tube for being distributed and taking the shape of the letter U（103）.
A kind of 8. plastic pipe enlarging production line according to claim 7, it is characterised in that：The electrothermal tube（103）Electric heating piece is distributed with outer wall（21）.
A kind of 9. plastic pipe enlarging production line according to claim 1, it is characterised in that：The enlarging case（13）Including enlarging shell（131）, flaring die（132）And promote the flaring die（132）Mobile propulsion cylinder（133）.
A kind of 10. plastic pipe enlarging production line according to claim 1, it is characterised in that：The enlarging case（13）Inside also around the flaring die（132）Multiple spray heads for being used to cool down plastic pipe are distributed with（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502878.4A CN107538727A (en) | 2016-06-25 | 2016-06-25 | A kind of plastic pipe enlarging production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502878.4A CN107538727A (en) | 2016-06-25 | 2016-06-25 | A kind of plastic pipe enlarging production line |
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| Publication Number | Publication Date |
|---|---|
| CN107538727A true CN107538727A (en) | 2018-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610502878.4A Pending CN107538727A (en) | 2016-06-25 | 2016-06-25 | A kind of plastic pipe enlarging production line |
Country Status (1)
| Country | Link |
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| CN (1) | CN107538727A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822603A (en) * | 2020-06-09 | 2020-10-27 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Flaring device of building accessory |
| CN112124932A (en) * | 2020-08-11 | 2020-12-25 | 宁波方力科技股份有限公司 | Extrusion pipeline conveying device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4059379A (en) * | 1976-08-26 | 1977-11-22 | Emery Company, Inc. | Method of belling plastic pipe and apparatus therefor |
| US4083918A (en) * | 1976-05-28 | 1978-04-11 | Grandview Industries, Limited | Method for belling plastic pipe |
| CN2477355Y (en) * | 2001-05-23 | 2002-02-20 | 王志富 | Plastic pipes dilatting machine |
| CN103072265A (en) * | 2012-12-04 | 2013-05-01 | 宿州市达瑞塑业有限责任公司 | Plastic tube flaring heating box |
| CN204977429U (en) * | 2015-09-10 | 2016-01-20 | 林漳鸿 | High -efficient automatic pipe -expanding machine of tubular product |
| CN105500684A (en) * | 2015-12-18 | 2016-04-20 | 湖北水之翼科技有限公司 | Pipeline expanding machine |
| CN205202150U (en) * | 2015-11-26 | 2016-05-04 | 泰捷塑业科技（苏州）有限公司 | PVC manages full -automatic pipe -expanding machine |
| CN205951279U (en) * | 2016-06-25 | 2017-02-15 | 绍兴仁通塑胶有限公司 | Plastic pipe flaring production line |
-
2016
- 2016-06-25 CN CN201610502878.4A patent/CN107538727A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4083918A (en) * | 1976-05-28 | 1978-04-11 | Grandview Industries, Limited | Method for belling plastic pipe |
| US4059379A (en) * | 1976-08-26 | 1977-11-22 | Emery Company, Inc. | Method of belling plastic pipe and apparatus therefor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822603A (en) * | 2020-06-09 | 2020-10-27 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Flaring device of building accessory |
| CN112124932A (en) * | 2020-08-11 | 2020-12-25 | 宁波方力科技股份有限公司 | Extrusion pipeline conveying device |
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Application publication date: 20180105 |