CN115230138A - Lining pipe flanging sealing machine - Google Patents
Lining pipe flanging sealing machine Download PDFInfo
- Publication number
- CN115230138A CN115230138A CN202211161544.7A CN202211161544A CN115230138A CN 115230138 A CN115230138 A CN 115230138A CN 202211161544 A CN202211161544 A CN 202211161544A CN 115230138 A CN115230138 A CN 115230138A
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- CN
- China
- Prior art keywords
- centering
- support
- aligning
- push
- lining pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/26—Lining or sheathing of internal surfaces
- B29C63/34—Lining or sheathing of internal surfaces using tubular layers or sheathings
- B29C63/36—Lining or sheathing of internal surfaces using tubular layers or sheathings being turned inside out
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
- B21D41/045—Closing
Abstract
The invention discloses a flanging and sealing machine for a lining pipe, which relates to the technical field of lining pipe production equipment and comprises a support, a base and a support reciprocating walking power device, wherein the support is arranged on the base in a sliding manner and is in transmission connection with the support reciprocating walking power device; the right side of the bracket is provided with a clamping device, and the left side of the bracket is provided with a mould push-pull device; also comprises a mould and a centering device which are positioned in the bracket, the mould is in spherical connection with the end part of a push-pull rod of a mould push-pull device, the aligning and centering device is fixed in the support, and the die is inserted into the aligning and centering device and is centered with the end part of the steel pipe in the aligning and centering device; the device has an automatic aligning and centering function, and can realize quick centering of the steel pipe and the die, so that the flanging and sealing yield of the lining pipe is effectively improved.
Description
Technical Field
The invention relates to the technical field of lining pipe production equipment, in particular to a flanging and sealing machine for a lining pipe.
Background
The lining pipe is a composite pipe structure with the outer part taking a metal pipe as a pipeline framework and the lining taking a wear-resistant, corrosion-resistant and high-temperature-resistant high polymer material pipe as a lining layer. During production and manufacturing of the lining pipe, the end of the lining layer is usually flanged and sealed.
During production, some metal pipes have certain camber, and the polymer material pipe can't be coaxial with the metal pipe when the turn-ups after penetrating the metal pipe as the lining layer, leads to the quality unqualified, because present capper all does not have aligning centering function, and lining pipe tip and mould can not the complete centering in the turn-ups, easily causes the turn-ups to seal the yield and hangs down. In order to solve the problem, when the mold and the lining pipe are not coaxial with each other, the mold is manually moved to realize coaxial centering, but when the condition that whether the mold and the lining pipe are coaxial is not determined well, the centering effect cannot be ensured, and therefore the flanging quality cannot be ensured.
Therefore, it is urgently needed to develop a flanging sealing machine with aligning and centering functions.
Disclosure of Invention
The invention aims to provide a flanging and sealing machine for a lining pipe, aiming at overcoming the defects in the prior art.
The technical scheme of the invention is as follows: a flanging and sealing machine for a lining pipe comprises a support, a base and a support reciprocating power device, wherein the support is arranged on the base in a sliding manner and is in transmission connection with the support reciprocating power device; the right side of the bracket is provided with a clamping device, and the left side of the bracket is provided with a mould push-pull device; the mould is movably connected with the end part of a push-pull rod of a mould push-pull device, the aligning and centering device is fixed in the support, and the mould is inserted in the aligning and centering device and is centered with the end part of a steel pipe in the aligning and centering device;
the aligning and centering device comprises a centering sleeve, an automatic aligning body and an aligning shell, wherein the aligning shell is fixedly arranged in the support and is coaxial with the clamp and the mould push-pull device; the automatic centering body is positioned in the cavity of the centering shell, a gap is reserved between the automatic centering body and the cavity in the radial direction, the automatic centering body can freely move in the radial direction, and a spherical hole is formed in the central axis of the automatic centering body; the right end of the righting sleeve is provided with a ball head matched with the spherical hole, and the ball head is in spherical connection with the automatic centering body through the ball head; the inner wall of the centering sleeve is provided with an inner conical surface matched with the outer conical surface of the end part of the steel pipe, and the die is inserted into the inner cavity of the centering sleeve on the left side of the inner conical surface in a sliding mode.
Preferably, the aligning shell is of a cylindrical structure, the automatic aligning body is a cylinder, a plurality of radial pressure springs are arranged in a gap between the aligning shell and the automatic aligning body in a circumferential array mode, and two ends of each pressure spring are fixedly connected to the inner wall of the aligning shell and the outer wall of the automatic aligning body respectively.
Preferably, the mold is in spherical connection or clearance hinged with the end part of a push-pull rod of a mold push-pull device.
Preferably, the gripper is a multi-jaw chuck.
Preferably, the mold push-pull device is an air cylinder or an oil cylinder.
Preferably, the support reciprocating walking power device comprises a motor, a screw rod and a nut, the motor is fixed on the base, the screw rod is meshed with the nut, the screw rod is fixedly connected with the output end of the motor, and the nut is fixedly installed on the support.
Preferably, the support reciprocating walking power device is a chain, a rack or a cylinder which drives the support to reciprocate.
Compared with the prior art, the invention has the following advantages:
the device has an automatic aligning and centering function, and can drive the die to move in all directions when the steel pipe is in a bending state, so that the steel pipe and the die are quickly centered, and the flanging and sealing yield of the lining pipe is effectively improved; this device simple structure, the practicality is strong, can directly reform transform current capper, saves equipment purchasing cost.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
In the figure: 1. the automatic centering device comprises a support, 2, a base, 3, a clamping device, 4, a mold push-pull device, 5, a push-pull rod, 6, a mold, 7, a centering sleeve, 701, a ball head, 702, an inner conical surface, 8, an automatic centering body, 801, a spherical hole, 9, a centering shell, 10, a steel pipe, 11, a motor, 12, a lead screw, 13 and a nut.
Detailed Description
The invention is further illustrated below with reference to the figures and examples.
Example one
Referring to fig. 1, the flanging sealing machine for the lining pipe comprises a support 1, a base 2 and a support reciprocating power device, wherein the support 1 is arranged on the base 2 in a sliding manner and is in transmission connection with the support reciprocating power device; the right side of the bracket 1 is provided with a clamping device 3, and the left side of the bracket is provided with a mould push-pull device 4; the steel pipe centering device is characterized by further comprising a mold 6 and a centering and centering device, wherein the mold 6 is located inside the support 1, the mold 6 is in spherical connection with the end portion of a push-pull rod 5 of the mold push-pull device 4, the centering and centering device is fixed inside the support 1, and the mold 6 is inserted into the centering and centering device and is centered with the end portion of the steel pipe 10 in the centering and centering device.
The aligning and centering device comprises a centering sleeve 7, an automatic aligning body 8 and an aligning shell 9, wherein the aligning shell 9 is fixedly arranged in the support 1 and is coaxial with the clamp 3 and the mold push-pull device 4; the automatic centering body 8 is positioned in the cavity of the centering shell 9, a gap is reserved between the automatic centering body and the cavity in the radial direction, the automatic centering body 8 can freely move in the radial direction, and a spherical hole 801 is formed in the central axis of the automatic centering body; the right end of the righting sleeve 7 is provided with a ball head 701 matched with the spherical hole 801, and the ball head 701 is in spherical connection with the automatic centering body 8; the inner wall of the centralizing sleeve 7 is provided with an inner conical surface 702 matched with the outer conical surface of the end part of the steel pipe 10, and the mould 6 is inserted into the inner cavity of the centralizing sleeve 7 at the left side of the inner conical surface 702 in a sliding manner.
In more detail, the clamper 3 of the present embodiment is a multi-jaw chuck, and the mold push-pull 4 is a cylinder.
When the automatic centering device is used, firstly, a steel pipe 10 with certain curvature is placed on a rack above a base 2, then the reciprocating walking power device of the support is controlled to drive the support 1 to move towards the direction of the steel pipe 10, the end part of the steel pipe 10 penetrates through a multi-jaw chuck and then is gradually inserted into a centering device, when the steel pipe 10 has micro-bending, a centering sleeve 7 rotates along with the end part of the steel pipe 10 in the insertion process of the steel pipe 10, and drives an automatic centering body 8 to radially move in a cavity of a centering shell 9, and simultaneously drives a mold 6 to rotate around a push-pull rod 5, so that the mold 6 and the steel pipe 10 are coaxial; because the inner wall of the centralizing sleeve 7 is provided with the inner conical surface 702 matched with the outer conical surface of the end part of the steel pipe 10, when the end part of the steel pipe 10 is butted with the inner conical surface 702 of the centralizing sleeve 7, the centralizing with the mould 6 is completed; at the moment, the multi-jaw chuck is controlled to clamp the steel pipe 10, and finally the air cylinder is controlled to push the die 6 rightwards to perform flanging and sealing treatment on the end part of the lining layer. During flanging, the die 6 is pushed by the push-pull rod 5 of the die push-pull device 4 to move forwards, the heated plastic lining layer is gradually turned to the outer side of the opening of the steel pipe 10 to be subjected to compression molding, and the flanging can be completed after the die 6 stops moving.
The device has an automatic aligning and centering function, and can realize quick centering of the steel pipe and the die 6 through the position movement of the die 6, so that the flanging and sealing yield of the lining pipe is effectively improved; this device simple structure, the practicality is strong, can directly reform transform current capper, saves equipment purchasing cost.
Example two
As a preferred embodiment of the present invention, the present embodiment optimizes the structure of the centering device on the basis of the first embodiment, and specifically includes:
in this embodiment, the aligning housing 9 is a cylindrical structure, the automatic aligning body 8 is a cylinder, three radial pressure springs are circumferentially arranged in a gap between the aligning housing 9 and the automatic aligning body 8, and two ends of each pressure spring are respectively and fixedly connected to the inner wall of the aligning housing 9 and the outer wall of the automatic aligning body 8.
Three pressure springs can support the automatic centering body 8 in the center department of the cavity of the centering shell 9, and when the steel pipe 10 is slightly bent, the end part of the steel pipe 10 can drive the automatic centering body 8 to move radially in the bending direction, and meanwhile, the centering sleeve 7 can be limited in multiple directions under the action of the pressure springs, so that the stability of the centering sleeve 7 is ensured, and the end part of the steel pipe 10 can be smoothly inserted into the centering sleeve.
EXAMPLE III
As a preferred embodiment of the present invention, the difference between the first embodiment and the second embodiment is the connection form between the mold 6 and the push-pull rod 5, specifically:
in the embodiment, the mold 6 is hinged with the end part of the push-pull rod 5 of the mold push-pull device 4 through a pin shaft gap; the pin shaft hole at the end part of the push-pull rod 5 is larger and is in clearance fit with the pin shaft, and the die 6 and the pin shaft can freely move to a certain extent, so that the die 6 can freely move to a certain distance along with the centering sleeve 7 in the radial direction.
Example four
As a preferred embodiment of the present invention, the present embodiment optimizes the structure of the support reciprocating motion power device on the basis of the first embodiment, specifically:
in this embodiment, the support reciprocating power device includes a motor 11, a lead screw 12 and a nut 13, the motor 11 is fixed on the base 2, the lead screw 12 is engaged with the nut 13, the lead screw 12 is fixedly connected with an output end of the motor 11, and the nut 13 is fixedly mounted at the bottom of the support 1.
EXAMPLE five
As a preferred embodiment of the present invention, the present embodiment selects the support reciprocating power device and the mold push-pull device 4 on the basis of the first embodiment, specifically:
in this embodiment, the support reciprocating power device may be a chain, a rack, a cylinder, etc. for driving the support 1 to reciprocate.
In addition, the mold push-pull 4 of the present embodiment is a cylinder.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention, and the contents of the changes still fall within the scope of the present invention.
Claims (7)
1. A flanging and sealing machine for a lining pipe comprises a support, a base and a support reciprocating power device, wherein the support is arranged on the base in a sliding manner and is in transmission connection with the support reciprocating power device; the right side of the bracket is provided with a clamping device, and the left side of the bracket is provided with a mould push-pull device; the method is characterized in that: the mould is movably connected with the end part of a push-pull rod of a mould push-pull device, the aligning and centering device is fixed in the support, and the mould is inserted in the aligning and centering device and is centered with the end part of a steel pipe in the aligning and centering device;
the aligning and centering device comprises a centering sleeve, an automatic aligning body and an aligning shell, wherein the aligning shell is fixedly arranged in the support and is coaxial with the clamp and the mold push-pull device; the automatic centering body is positioned in the cavity of the centering shell, a gap is reserved between the automatic centering body and the cavity in the radial direction, the automatic centering body can freely move in the radial direction, and a spherical hole is formed in the central axis of the automatic centering body; the right end of the centering sleeve is provided with a ball head matched with the spherical hole, and the ball head is in spherical connection with the automatic centering body through the ball head; the inner wall of the centering sleeve is provided with an inner conical surface matched with the outer conical surface of the end part of the steel pipe, and the die is inserted into the inner cavity of the centering sleeve on the left side of the inner conical surface in a sliding mode.
2. The lining pipe flanging sealing machine according to claim 1, is characterized in that: the automatic centering device comprises a centering shell, an automatic centering body and a plurality of pressure springs, wherein the centering shell is of a cylindrical structure, the automatic centering body is a cylinder, the gaps between the centering shell and the automatic centering body are circumferentially arrayed and provided with a plurality of radial pressure springs, and two ends of each pressure spring are fixedly connected to the inner wall of the centering shell and the outer wall of the automatic centering body respectively.
3. The lining pipe flanging sealing machine according to claim 1, is characterized in that: the mould is connected with the end part of the push-pull rod of the mould push-pull device in a spherical mode or in a clearance hinge mode.
4. The lining pipe flanging sealing machine according to claim 1, is characterized in that: the gripper is a multi-jaw chuck.
5. The lining pipe flanging sealing machine according to claim 1, is characterized in that: the mold push-pull device is an air cylinder or an oil cylinder.
6. The lining pipe flanging sealing machine according to claim 1, is characterized in that: the support reciprocating walking power device comprises a motor, a lead screw and a nut, wherein the motor is fixed on the base, the lead screw is meshed with the nut and is fixedly connected with the output end of the motor, and the nut is fixedly installed on the support.
7. The lining pipe flanging sealing machine according to claim 1, characterized in that: the support reciprocating walking power device is a chain, a rack or a cylinder which drives the support to move in a reciprocating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211161544.7A CN115230138B (en) | 2022-09-23 | 2022-09-23 | Lining pipe flanging sealing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211161544.7A CN115230138B (en) | 2022-09-23 | 2022-09-23 | Lining pipe flanging sealing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115230138A true CN115230138A (en) | 2022-10-25 |
| CN115230138B CN115230138B (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211161544.7A Active CN115230138B (en) | 2022-09-23 | 2022-09-23 | Lining pipe flanging sealing machine |
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1134663A (en) * | 1965-04-26 | 1968-11-27 | Dow Chemical Co | Flanging of thermoplastic lined pipe |
| SE374689B (en) * | 1968-10-03 | 1975-03-17 | Wavin Bv | |
| GB1502123A (en) * | 1974-10-08 | 1978-02-22 | Elmepla Spa | Tool for shaping gasket seats in the inside of plastics material tubes |
| JPH0742883A (en) * | 1993-08-04 | 1995-02-10 | Mirai Ind Co Ltd | Device for connecting synthetic resin pipe and method and jig for machining end of synthetic resin pipe |
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| CN101623830A (en) * | 2009-07-28 | 2010-01-13 | 宁波市鄞州中天阀门有限公司 | Automatic aligning combined clamp |
| CN102407601A (en) * | 2011-09-29 | 2012-04-11 | 广东东方管业有限公司 | Method and device for sealing steel wire framework plastic composite pipe |
| CN202225439U (en) * | 2011-09-26 | 2012-05-23 | 山东黄金矿业(鑫汇)有限公司 | Quick flanging device for plastic pipelines |
| CN104441603A (en) * | 2014-10-16 | 2015-03-25 | 吉林钰翎珑钢管钢构制造有限公司 | Opening part flanging method for manufacturing composite pipe by metal pipe inner lining plastic |
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| CN106626152A (en) * | 2016-12-15 | 2017-05-10 | 浙江三维橡胶制品股份有限公司 | Conveyer belt production line centering mechanism convenient for adjustment |
| CN106903868A (en) * | 2017-05-03 | 2017-06-30 | 浙江金洲管道科技股份有限公司 | A kind of ring flange internal lining pipe hemmer |
| CN107031031A (en) * | 2017-06-15 | 2017-08-11 | 青岛海聚新材料科技有限公司 | A kind of reinforced thermoplastics multiple tube forming apparatus for forming pipe end and method |
| CN107791503A (en) * | 2016-08-31 | 2018-03-13 | 中国石油天然气股份有限公司 | A kind of flanging die |
| CN111605233A (en) * | 2020-06-03 | 2020-09-01 | 汉思科特(盐城)减震技术有限公司 | Automatic flanging machine for air spring leather bag and flanging method thereof |
| CN112718897A (en) * | 2021-01-27 | 2021-04-30 | 柳州工学院 | Cable wire drawing adjusting device |
| CN215396877U (en) * | 2021-06-01 | 2022-01-04 | 中国石油大学胜利学院 | Pipe expanding and flanging equipment for lining pipe |
| CN217123961U (en) * | 2021-10-11 | 2022-08-05 | 常州市德胜塑料机械有限公司 | Pe steel wire net pipe flanger |
-
2022
- 2022-09-23 CN CN202211161544.7A patent/CN115230138B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1134663A (en) * | 1965-04-26 | 1968-11-27 | Dow Chemical Co | Flanging of thermoplastic lined pipe |
| SE374689B (en) * | 1968-10-03 | 1975-03-17 | Wavin Bv | |
| GB1502123A (en) * | 1974-10-08 | 1978-02-22 | Elmepla Spa | Tool for shaping gasket seats in the inside of plastics material tubes |
| JPH0742883A (en) * | 1993-08-04 | 1995-02-10 | Mirai Ind Co Ltd | Device for connecting synthetic resin pipe and method and jig for machining end of synthetic resin pipe |
| CN201250634Y (en) * | 2008-08-28 | 2009-06-03 | 陈敏 | Polish rod aligning and connecting device of an oil pumping unit |
| CN101623830A (en) * | 2009-07-28 | 2010-01-13 | 宁波市鄞州中天阀门有限公司 | Automatic aligning combined clamp |
| CN202225439U (en) * | 2011-09-26 | 2012-05-23 | 山东黄金矿业(鑫汇)有限公司 | Quick flanging device for plastic pipelines |
| CN102407601A (en) * | 2011-09-29 | 2012-04-11 | 广东东方管业有限公司 | Method and device for sealing steel wire framework plastic composite pipe |
| CN104441603A (en) * | 2014-10-16 | 2015-03-25 | 吉林钰翎珑钢管钢构制造有限公司 | Opening part flanging method for manufacturing composite pipe by metal pipe inner lining plastic |
| CN204773554U (en) * | 2015-07-08 | 2015-11-18 | 高飞 | Interior external heating ultrahigh molecular weight polyethylene tubular product flanger |
| CN205326268U (en) * | 2015-12-15 | 2016-06-22 | 安源管道实业股份有限公司 | Fill formula steel and mould a compound pipe pipe end capper from melting |
| CN107791503A (en) * | 2016-08-31 | 2018-03-13 | 中国石油天然气股份有限公司 | A kind of flanging die |
| CN206140888U (en) * | 2016-09-19 | 2017-05-03 | 大庆高新区法尔文得新材料有限公司 | Ultrahigh molecular weight polyethylene manages flanger |
| CN106626152A (en) * | 2016-12-15 | 2017-05-10 | 浙江三维橡胶制品股份有限公司 | Conveyer belt production line centering mechanism convenient for adjustment |
| CN106903868A (en) * | 2017-05-03 | 2017-06-30 | 浙江金洲管道科技股份有限公司 | A kind of ring flange internal lining pipe hemmer |
| CN107031031A (en) * | 2017-06-15 | 2017-08-11 | 青岛海聚新材料科技有限公司 | A kind of reinforced thermoplastics multiple tube forming apparatus for forming pipe end and method |
| CN111605233A (en) * | 2020-06-03 | 2020-09-01 | 汉思科特(盐城)减震技术有限公司 | Automatic flanging machine for air spring leather bag and flanging method thereof |
| CN112718897A (en) * | 2021-01-27 | 2021-04-30 | 柳州工学院 | Cable wire drawing adjusting device |
| CN215396877U (en) * | 2021-06-01 | 2022-01-04 | 中国石油大学胜利学院 | Pipe expanding and flanging equipment for lining pipe |
| CN217123961U (en) * | 2021-10-11 | 2022-08-05 | 常州市德胜塑料机械有限公司 | Pe steel wire net pipe flanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115230138B (en) | 2022-12-13 |
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