CN1294002C - Production process and apparatus for ultrasonic fusing type radiation crosslinking polyolefin thermal shrinkable sleeve - Google Patents
Production process and apparatus for ultrasonic fusing type radiation crosslinking polyolefin thermal shrinkable sleeve Download PDFInfo
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- CN1294002C CN1294002C CNB2005100205801A CN200510020580A CN1294002C CN 1294002 C CN1294002 C CN 1294002C CN B2005100205801 A CNB2005100205801 A CN B2005100205801A CN 200510020580 A CN200510020580 A CN 200510020580A CN 1294002 C CN1294002 C CN 1294002C
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- thermal shrinkable
- radiation crosslinking
- shrinkable sleeve
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Abstract
The present invention relates to an ultrasonic welding type process and equipment for producing a thermal shrinkable sleeve made from polyolefin by radiation crosslinking. The producing process comprises the preparation of a thermal shrinkable band sheet made from the polyolefin by radiation crosslinking, and the head and the tail of the sheet are overlapped into a sleeve which is positioned and tightly clamped; an ultrasonic welding device is started, and the overlapping part of the sheet is stamped and welded by the ultrasonic stamping head of the device so as to prepare a thermal shrinkable sleeve product. The special ultrasonic welding equipment for production is mainly composed of the ultrasonic welding device with the ultrasonic stamping head, a device frame on which a worktable device is arranged, a clamping and positioning device and an electrical control device. The present invention is characterized in that the worktable device is composed of a supporting panel, a worktable guideway, a worktable cushion block, a worktable stop dog and a moveable worktable, and the clamping and positioning device is composed of two fixing plates, a front clamping and positioning mechanism and a back clamping and positioning mechanism; both the front clamping and positioning mechanism and the back clamping and positioning mechanism are composed of two cylinders, a connecting rod, a pressure plate, a width positioning block, etc., and are symmetrical arranged in parallel with the same structure. The present invention is especially suitable for the production of a thermal shrinkable sleeve in a large internal diameter.
Description
Technical field
The production technology and the special equipment of that the present invention relates to use in pipe or piping and relevant with pipe or piping spare part, particularly a kind of ultrasonic fusing type radiation crosslinking polyolefin thermal shrinkable sleeve production technology and equipment are the expansions of prior art.
Background technology
In the prior art, the structure of engineering pipeline anticorrosive heat shrink sleeve for mouth-repairing generally is that outer and PUR internal layer constitutes by base material, its molding mode mainly be by raw material by granulation, tubing extrude, operations such as irradiation, expansion, moulding produce; Adopt this mode, be difficult to produce the bigger heat shrinking sleeve of diameter, and production efficiency is low, operation is loaded down with trivial details, and yield rate is low, and mechanization degree is low, and the factor of man's activity product quality is many, and quality is wayward, and the product internal stress is big, and splitting resistance is poor.The Ultrasonic Plastic welding has the development mileage of many decades, now become a kind of being widely used and mature technique, but Shang Weijian is exclusively used in the ultrasonic brazing unit of irradiated crosslinked polyalkene material welding; The mechanism of common ultrasonic fusing is to utilize the dither of ultrasonic wave generation by certain pressure, make the weldment junction that violent friction take place, produce heat and make sew, thereby reach welding effect, but the at high temperature crosslinked part of polyolefin through crosslinking with radiation can not plastify, polyolefine material can not be fused fully, and the ultrasonic brazing unit of prior art is difficult to be suitable for.
Summary of the invention
Purpose of the present invention is intended to overcome above-mentioned deficiency of the prior art, the pyrocondensation belt that overlaps by the head and the tail that adopt ultrasonic fusing equipment that branch is cut carries out fusing mode, thereby a kind of ultrasonic fusing type radiation crosslinking polyolefin thermal shrinkable sleeve production technology that internal diameter is produced greater than 159 millimeters heat shrinking sleeves that is particularly suitable for is provided; Another object of the present invention provides special-purpose ultrasonic fusing equipment in a kind of radiation crosslinking polyolefin thermal shrinkable sleeve production.
The technical scheme that the present invention addresses the above problem employing is: a kind of ultrasonic fusing type radiation crosslinking polyolefin thermal shrinkable sleeve production technology comprises:
A, raw material be through steps such as batching, granulation, tentering, irradiation, coating, cuttings, makes outer and be coated on the irradiated crosslinked polyalkene pyrocondensation belt sheet material that the PUR internal layer on the base material skin constitutes by base material:
It is characterized in that also comprising the following steps:
B, with the head and the tail of pyrocondensation belt sheet material be overlapped to form shell-like, and the location clamp;
C, open ultrasonic wave welding device, the sound head of ultrasonic wave welding device is carried out punching press to the overlap of pyrocondensation belt sheet material, make and dash an embedding by in the fusant body on the sound head;
D, with ultrasonic vibration each is dashed a some welding again, make each material fusion connection around dashing a little after, withdraw from sound head towards point, promptly make the heat shrinking sleeve product.The reasonable location mode of welding point can overlap each welding point institute fusant material mutually, forms the solution plane of sealing in the horizontal.
In the technical solution of the present invention: the overlap of described pyrocondensation belt sheet material head and the tail is the outer overlap joints mutually of described base material.
In the technical solution of the present invention: the internal diameter of described heat shrinking sleeve product is preferably greater than 159 millimeters.
In the technical solution of the present invention: the time that described fusion connects can be 2-15 second, preferably 4.5 seconds.The thickness of the overlap of described pyrocondensation belt sheet material head and the tail is preferably lower than 10 millimeters.
Another technical scheme that the present invention addresses the above problem employing is: the ultrasonic fusing equipment of special use during a kind of radiation crosslinking polyolefin thermal shrinkable sleeve is produced.Mainly by: form by the ultrasonic wave welding device of sound head, the frame that table device is installed, clamping and positioning device and electrical control gear, it is characterized in that:
Described table device by: be installed in the support panel (12) on the described frame, be fixedly mounted on table slide (11), workbench cushion block (13) and table stop (18) on the support panel (12), and be arranged at the king and make the removable workbench (10) that platform guide rail (11) and king do above the cushion piece (13) and form;
Described clamping and positioning device is by 2 fixed heads (2) of being oppositely arranged and fixedlying connected with support panel (12), and the preceding and back clamping positioning mechanism that parallelly be symmetrical arranged, structure is identical is formed; Each clamping positioning mechanism is by 2 width locating pieces (8) formation at the interval that is fixedly mounted on pressing plate (4) that 2 cylinders (1) on 2 fixed heads (2), two ends link to each other with the guide pillar of a cylinder (1) respectively by connecting rod (7) respectively and flexibly connects by bolt (5) and pressing plate (4);
The sound head of described ultrasonic wave welding device (3) is installed on the described frame of clamping positioning mechanism top, and there is the uniform point (22) that dashes sound head (3) lower end.
In this technical solution: the following of described pressing plate (4) can also fixed interval be connected with 2-20 clamping cushion block (9), is used for workpiece is clamped.
In this technical solution: the table stroke switch (14) corresponding with workbench (10) one tip position also is installed, the same prior art of its structure and occupation mode on the described table stop (18).
In this technical solution: the quantity of the sound head of described ultrasonic wave welding device (3) can be 1-10 arranged side by side.
In this technical solution: the number of spots of dashing on the described sound head (3) can be that 10-500 is individual.
In this technical solution: described workbench (10) is one side the top step (17) that projection is arranged is used for the spacing of pyrocondensation belt sheet material.
In this technical solution: described cylinder (1) can be other devices such as fluid cylinder or cylinder.The same prior art of its structure and using method.
In this technical solution: described fixed head (2) both can be fixed on the support panel (12), also can be fixed on frame or other position.
Compared with prior art, the present invention has following characteristics and beneficial effect:
(1) adopt ultrasonic fusing to have the irradiated crosslinked polyalkene material technology of heat-shrinkable, by special-purpose ultrasonic wave welding device, the welding of sheet pyrocondensation belt is become cylindric heat shrinking sleeve, production technology is simple, efficient is high, the mechanization degree height, the yield rate height, and also the product internal stress is little, splitting resistance is good, and quality is controlled easily;
(2) can carry out ultrasonic fusing to common plastics, main is to have realized the cross-linking radiation polyolefine material is carried out ultrasonic fusing; Be particularly suitable for internal diameter greater than 159 millimeters, adopt the production of the large diameter heat shrinking sleeve that the prior art mode is difficult to produce.
(3) Zhuan Yong ultrasonic fusing equipment is simple in structure, processing ease, and accurate work piece positioning, weld time is short, and high efficiency is practical.
Description of drawings
Fig. 1 is the structural representation of the ultrasonic fusing equipment of special use during the radiation crosslinking polyolefin thermal shrinkable sleeve of the embodiment of the invention 1 is produced;
Fig. 2 is the H-H structural representation of Fig. 1;
Fig. 3 is the vertical profile TV structure schematic diagram that adopts the fusing type radiation crosslinking polyolefin thermal shrinkable sleeve product of the present invention's production.
Among the figure: 1-cylinder, 2-fixed head, 3-sound head (can be one or more sound head associated working as required), 4-pressing plate, the 5-bolt, 6-bolt, 7-connecting rod, 8-width locating piece, 9-clamps cushion block, 10-workbench, 11-table slide, 12-support panel, 13-king makes the cushion piece, 14-table stroke switch, and 15-clamps cushion block side, 16-screw, the 17-step, 18-table stop, 19-base material skin, 20-PUR internal layer, the 21-overlap, 22-is towards point.
The specific embodiment
Embodiment 1: referring to accompanying drawing 1-2.
The ultrasonic fusing equipment of special use during a kind of radiation crosslinking polyolefin thermal shrinkable sleeve is produced.Mainly by: form by the ultrasonic wave welding device of sound head, the frame that table device is installed, clamping and positioning device and electrical control gear:
Described table device by: be installed in the support panel 12 on the described frame, be fixedly mounted on table slide 11, workbench cushion block 13 and table stop 18 on the support panel 12, and be arranged at table slide 11 and the removable workbench 10 above the workbench cushion block 13 (playing location and pressure-bearing effect) composition; There is the step 17 of projection on one side above the described workbench 10;
Described clamping and positioning device is by 2 fixed heads 2 being oppositely arranged and fixedlying connected with support panel 12, and the preceding and back clamping positioning mechanism that parallelly be symmetrical arranged, structure is identical is formed; Each clamping positioning mechanism is connected by being fixedly mounted on 2 cylinders 1 on 2 fixed heads 2, pressing plate 4, fixed interval that two ends link to each other with the guide pillar of a cylinder 1 respectively by connecting rod 7 respectively that below the pressing plate 44 clamp cushion blocks 9 and 2 width locating pieces 8 at the interval that flexibly connects by bolt 5 and pressing plate 4 constitute;
The quantity of the sound head 3 of described ultrasonic wave welding device is 3, is installed on the described frame of clamping positioning mechanism top side by side, and sound head 3 lower ends have uniform 150 to dash point 22;
The table stroke switch 14 corresponding with workbench 10 1 tip position is installed, the same prior art of its structure and occupation mode on the described table stop 18;
Described cylinder 1 can be other devices such as fluid cylinder or cylinder.The same prior art of its structure and occupation mode.
The same prior art of other structure; Embodiment 2 is seen in the use of present embodiment 1.
Embodiment 2: referring to accompanying drawing 1-3.
A kind of ultrasonic fusing type radiation crosslinking polyolefin thermal shrinkable sleeve production technology, mainly form by the following step:
A, raw material be through steps such as batching, granulation, tentering, irradiation, coating, cuttings, makes outer and be coated on the irradiated crosslinked polyalkene pyrocondensation belt sheet material that the PUR internal layer on the base material skin constitutes by base material;
B, the head and the tail of pyrocondensation belt sheet material overlap joint (is determined weld length as required, peeled off the hot melt adhesive layer that needs weld; Overlap is that described base material skin 19 overlaps mutually) become shell-like, and the location clamp; The composition of special-purpose ultrasonic fusing equipment is seen embodiment 1 in the radiation crosslinking polyolefin thermal shrinkable sleeve production, and concrete operations are as follows:
(1) adjusts on each pressing plate 4 distance between two width locating pieces 8, all bolts 5 on the front pressuring plate 4 are unclamped, this moment, two width locating pieces 8 just can move left and right, adjust two width locating pieces 8, make the distance between the two consistent with the width of workpiece welding direction, tight a bolt 5 then, and the width locating piece position on the pressing plate is identical before and after making;
(2) with workbench 10 reaches, when workbench 10 front ends touched table stroke switch 14, workbench 10 halted and rests on the workbench cushion block 13;
(3) irradiated crosslinked polyalkene pyrocondensation sheet material is placed workbench 10 belows, have one of PUR internal layer 20 to face up;
(4) end with irradiated crosslinked polyalkene pyrocondensation sheet material places on the workbench 10, and near 17 on the step of workbench 10 with the location;
(5) the front clamp positioner moves down, and is pressed on irradiated crosslinked polyalkene pyrocondensation sheet surface with clamping cushion block 9;
(6) other end with irradiated crosslinked polyalkene pyrocondensation sheet material is overlapped on the upper surface of the irradiated crosslinked polyalkene pyrocondensation sheet material of clamping and positioning, and near the side 15 that clamps cushion block 9 with the location;
(7) the back clamping and positioning device moves down, and is pressed on irradiated crosslinked polyalkene pyrocondensation sheet surface with clamping cushion block 9.Realized clamping and positioning this moment to irradiated crosslinked polyalkene pyrocondensation sheet material welding position.
C, open ultrasonic wave welding device, the overlap 21 of 3 pairs of pyrocondensation belt sheet materials of sound head of ultrasonic wave welding device is carried out punching press, make and dashing a little 22 embeddings by in the fusant body on the sound head 3;
D, with ultrasonic vibration each is dashed point 22 weldings again, each is dashed a little after material fusion around 22 connects, withdraw from sound head and dash point 22, material promptly overlaps, forms in the horizontal the face of weld of sealing mutually, promptly makes fusing type radiation crosslinking polyolefin heat shrinking sleeve product; Workbench 10 is return, and can take out product smoothly and get final product;
The time that described fusion connects is 4.5 seconds; The internal diameter of described heat shrinking sleeve product is 249 millimeters.
Repeat above-mentioned steps, can carry out the welding of next workpiece.
The invention is not restricted to the foregoing description, content of the present invention is described all can be implemented, and can obtain described good result.
Claims (9)
1, a kind of ultrasonic fusing type radiation crosslinking polyolefin thermal shrinkable sleeve production technology comprises:
A, raw material be through batching, granulation, tentering, irradiation, coating, cutting step, makes outer and be coated on the irradiated crosslinked polyalkene pyrocondensation belt sheet material that the PUR internal layer on the base material skin constitutes by base material;
It is characterized in that also comprising the following steps:
B, with the outer head and the tail of the base material of pyrocondensation belt sheet material be overlapped to form shell-like, and the location clamp;
C, open ultrasonic wave welding device, the punching press sound head of ultrasonic wave welding device is carried out punching press to the overlap of pyrocondensation belt sheet material, make and dash an embedding by in the fusant body on the sound head;
D, with ultrasonic vibration each is dashed a some welding again, make each material fusion connection around dashing a little after, withdraw from sound head towards point, promptly make the heat shrinking sleeve product.
2, by the described ultrasonic fusing type radiation crosslinking polyolefin thermal shrinkable sleeve production technology of claim 1, it is characterized in that: the internal diameter of described heat shrinking sleeve product is greater than 159 millimeters.
3, by the described ultrasonic fusing type radiation crosslinking polyolefin thermal shrinkable sleeve production technology of claim 1, it is characterized in that: the time that described fusion connects is 2-15 second.
4, special-purpose ultrasonic fusing equipment during a kind of radiation crosslinking polyolefin thermal shrinkable sleeve is produced, mainly by: form by the ultrasonic wave welding device of punching press sound head, the frame that table device is installed, clamping and positioning device and electrical control gear, it is characterized in that:
Described table device by: be installed in the support panel (12) on the described frame, be fixedly mounted on table slide (11), workbench cushion block (13) and table stop (18) on the support panel (12), and the removable workbench (10) that is arranged at above table slide (11) and the workbench cushion block (13) is formed;
Described clamping and positioning device is by 2 fixed heads (2) of being oppositely arranged and fixedlying connected with support panel (12), and the preceding and back clamping positioning mechanism that parallelly be symmetrical arranged, structure is identical is formed; Each clamping positioning mechanism is by 2 width locating pieces (8) formation at the interval that is fixedly mounted on pressing plate (4) that 2 cylinders (1) on 2 fixed heads (2), two ends link to each other with the guide pillar of a cylinder (1) respectively by connecting rod (7) respectively and flexibly connects by bolt (5) and pressing plate (4);
The sound head of described ultrasonic wave welding device (3) is installed on the described frame of clamping positioning mechanism top, and there is the uniform point (22) that dashes sound head (3) lower end.
5, by special-purpose ultrasonic fusing equipment in the described radiation crosslinking polyolefin thermal shrinkable sleeve production of claim 4, it is characterized in that: the following fixed interval of described width locating piece (8) is connected with 2-20 and clamps cushion block (9).
6, by special-purpose ultrasonic fusing equipment in the described radiation crosslinking polyolefin thermal shrinkable sleeve production of claim 4, it is characterized in that: described table stop (18) is equipped with the table stroke switch (14) corresponding with workbench (10) one tip position.
7, by special-purpose ultrasonic fusing equipment in the described radiation crosslinking polyolefin thermal shrinkable sleeve production of claim 4, it is characterized in that: the quantity of the sound head of described ultrasonic wave welding device (3) is arranged side by side 1-10.
8, by special-purpose ultrasonic fusing equipment in claim 4 or the 7 described radiation crosslinking polyolefin thermal shrinkable sleeves productions, it is characterized in that: point (22) quantity of dashing on the described sound head (3) is 10-500.
9, by special-purpose ultrasonic fusing equipment in the described radiation crosslinking polyolefin thermal shrinkable sleeve production of claim 4, it is characterized in that: described workbench (10) is one side the top step (17) that projection is arranged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100205801A CN1294002C (en) | 2005-03-25 | 2005-03-25 | Production process and apparatus for ultrasonic fusing type radiation crosslinking polyolefin thermal shrinkable sleeve |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100205801A CN1294002C (en) | 2005-03-25 | 2005-03-25 | Production process and apparatus for ultrasonic fusing type radiation crosslinking polyolefin thermal shrinkable sleeve |
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| CN1669780A CN1669780A (en) | 2005-09-21 |
| CN1294002C true CN1294002C (en) | 2007-01-10 |
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| CN104139521B (en) * | 2014-06-27 | 2017-02-15 | 江苏远翔物联科技有限公司 | Horizontal pushing type front pre-pressing device |
| CN104191601B (en) * | 2014-08-19 | 2016-06-01 | 陈林 | A kind of method of tubulose part edge sealing and specific equipment |
| CN106965444B (en) * | 2017-04-18 | 2023-03-17 | 江苏金由新材料有限公司 | Preparation device and method of large-diameter thin-wall PTFE (Polytetrafluoroethylene) pipe |
| CN114801207B (en) * | 2022-05-27 | 2024-01-02 | 北京中科九章科技有限公司 | Butt welding machine for hot-melting sleeve plastic plate |
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| CN1112456A (en) * | 1993-12-10 | 1995-11-29 | 株式会社日硝 | Wrapping pipe for a bundle of hollow fibers method and device for production thereof |
| CN1131075A (en) * | 1995-03-16 | 1996-09-18 | 北京燕山石化公司树脂应用研究所 | Special-purpose welding head for welding civil engineering grille by using ultrasonic plastic welder |
| JP3126528B2 (en) * | 1992-12-08 | 2001-01-22 | 新日本製鐵株式会社 | Equipment for measuring iron content in solibull oil |
| CN2644853Y (en) * | 2003-07-14 | 2004-09-29 | 大庆油田建设集团 | Asphalt base glue thermal shrinkable sleeve |
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2005
- 2005-03-25 CN CNB2005100205801A patent/CN1294002C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3338157A1 (en) * | 1983-10-20 | 1985-05-02 | Akzo Gmbh, 5600 Wuppertal | METHOD FOR SEALINGLY CONNECTING PIPE ENDS IN PIPE BASES |
| JPH03126528A (en) * | 1989-10-11 | 1991-05-29 | Masemachitsuku Kk | Sealing method for plastic tube |
| JP3126528B2 (en) * | 1992-12-08 | 2001-01-22 | 新日本製鐵株式会社 | Equipment for measuring iron content in solibull oil |
| CN1112456A (en) * | 1993-12-10 | 1995-11-29 | 株式会社日硝 | Wrapping pipe for a bundle of hollow fibers method and device for production thereof |
| CN1131075A (en) * | 1995-03-16 | 1996-09-18 | 北京燕山石化公司树脂应用研究所 | Special-purpose welding head for welding civil engineering grille by using ultrasonic plastic welder |
| CN2644853Y (en) * | 2003-07-14 | 2004-09-29 | 大庆油田建设集团 | Asphalt base glue thermal shrinkable sleeve |
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