CN2637027Y - Extrusion equipment for making pipe end changing size - Google Patents
Extrusion equipment for making pipe end changing size Download PDFInfo
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- CN2637027Y CN2637027Y CN 03284563 CN03284563U CN2637027Y CN 2637027 Y CN2637027 Y CN 2637027Y CN 03284563 CN03284563 CN 03284563 CN 03284563 U CN03284563 U CN 03284563U CN 2637027 Y CN2637027 Y CN 2637027Y
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- extrusion equipment
- pipe
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- clamping device
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Abstract
The utility model relates to an extrusion device which changes the diameter of a pipe end; the extrusion device is provided with a frame which is provided with a clamp device which fixes the fed pipe and an extrusion component which is matched with the clamp device and makes the diameter of end of the fixed pipe be contracted. The device can change the diameter of the end of the pipe by simple operation, does not damage a clamped position of the pipe, meanwhile, the utility model does not require complex work procedures such as heating and rolling, etc., thus reducing the processing cost.
Description
Technical field:
The utility model relates to a kind of pipe end reducing that makes, and particularly can make the extrusion equipment of pipe end reduced.
Background technology:
The metal tube of two kinds of different tube diameters is when butt joint, usually adopt the pipe joint of a reducing and pipe is docking together by the screwed mode, and no matter be inside or the outside that reduction nipple is screwed in described metal tube, a prominent edge of annular that is made of pipe end all can appear on the inwall of pipeline join domain, this is prominent along the circulation that can hinder the pipeline inner fluid, on the other hand, reduction nipple is the parts of a discrete independent making.Yet, in the prior art, make the aforementioned tube joint commonly used have only welding and these two kinds of methods of diameter expansion method, making the reducing head with welding is according to the suitable sheet material of the diameter cutting of connecting tube, just can make through weld seam again after then this sheet material being curled into tubulose, so its manufacture craft relative complex also has higher cost simultaneously; And make pipe end with diameter expansion method, be at first with the heating of tube end zone, applying the reducing core then in pipe enlarges with the caliber that forces this pipe, though the reduction nipple of Zhi Zuoing has the correlation properties of seamless steel pipe in this way, but this kind method is except that having the high and technology relative complex of cost, also increase defective such as waste energy.
In addition, in the operation of drawing metal composite pipe, employing be that earlier the pipe that caliber is relatively little is put into the big pipe of caliber, then, catch the big pipe end of caliber and make pipe whole with drawbench, form a composite pipe after allowing two pipes reach interference fit by force by prefabricated mould.But, before drawing, must catch the termination of big caliber with mechanical part earlier, and this termination diameter is less than the diameter of this pipe usually, for this reason, pipe end is the matter of utmost importance that the drawing metal composite pipe is faced to little direction reducing, more suitably do not making reducer pipe particularly during undergauge equipment, plain mode is with its flattening or make other shape conveniently to catch with pipe end position personnel selection worker or equipment.
In a word, metal tube reducing, particularly undergauge promptly help pipeline and connect, and also help pipe fitting and process once more, but up to the present, also do not find the desirable complete set of equipments that can directly make reducer pipe or reducing pipe.
Summary of the invention:
Task of the present utility model provides and a kind ofly can make the particularly extrusion equipment of undergauge of pipe end reducing easily by simple machinery.
The extrusion equipment that makes the pipe end reducing that the utility model proposed has a fuselage, on fuselage, be equipped with can pipe fitting that send into is fixing clamping device and with the matching used compression assemblies that makes the termination undergauge of institute's fixed fitting of this clamping device.
Described clamping device and compression assemblies are controlled its action by hydraulic mechanism respectively.Compression assemblies has one and is fixed on fairlead on the fuselage by support, is equipped with in this fairlead axially to be connected with the take-off lever of hydraulic mechanism, and the other end is fixed with the piston piece of undergauge mould.And clamping device has the hollow body of an inwall along axioversion, is equipped with to be used to clamp or unclamp slip clamp assemblies that extend into pipe fitting in the main body and the actuating assembly that is used to limit slip clamping component states in main body.Described undergauge mould comprises a disk, is provided with step-like radial direction through hole in the central region of this disk.
Described slip clamp assemblies comprises that at least two is columniform through hole by the internal diameter that is combined to form, and external diameter is similar to the Wedge gripping of truncated cone-shaped.
Described actuating assembly has the hydraulic pressure push-pull device at fixed that the slippage cover that flexibly connects with the end of Wedge gripping and control slippage cover move along the axially parallel of main body, and the elastomeric element that can make the diametric(al) movement tendency of the oriented main body of described slippage tackling.
The utility model only adopts clamping device and compression assemblies and can make the pipe end reducing by shirtsleeve operation, and clamping device adopts the structure of the Wedge gripping of slidingtype, it can be clamped the pipe fitting that extend in it effectively, can't injure the position that is held of pipe fitting, and compression assemblies only adopts is the undergauge mould that can move by predetermined direction, and in its motion process, pipe end can be pushed reducing, and do not need to heat, complicated procedures of forming such as roll extrusion, cause its processing cost to reduce, simultaneously, above-mentioned clamping device and compression assemblies all adopt hydraulic control, thereby make process become simply handled easily.
Description of drawings:
Accompanying drawing 1 is the cross-sectional view of an embodiment of the utility model;
Accompanying drawing 2 is that the A-A of Fig. 1 is to cutaway view.
The specific embodiment:
Referring to Fig. 1 Fig. 2, the extrusion equipment that makes the pipe end reducing that the utility model proposed, basically by fuselage and compression assemblies 1, clamping device 2 and hydraulic mechanism constitute.
Fuselage mainly is to be used for fixing each device feature, and it can adopt multiple structure, as support etc., so, do not provide the concrete structure of fuselage among this embodiment.
Compression assemblies 1 is installed in a side of fuselage by fairlead 11, this fairlead 11 is the cylindrical of a hollow, the piston 32 that is complementary with its internal diameter is installed at fairlead 11, take-off lever 31 Joints of one end of this piston 32 and hydraulic mechanism, the central region of the other end is equipped with undergauge mould 12, cause piston 32 and take-off lever 31, and undergauge mould 12 synchronization action under hydraulic mechanism control.Undergauge mould 12 has a disk 121 and is arranged on the stairstepping radial direction through hole 122 of these disk 121 central region, and the reducing position of through hole 122 is to be similar to circular arc.
Clamping device 2 is the parts that are used for fixing pipe, and it has a main body 21 that is installed on the fuselage, this main body 21 hollows and have the inwall 212 of inclination.In main body 21, be equipped with and be used to clamp or unclamp slip clamp assemblies 22 that extend into pipe fitting in the main body and the actuating assembly 23 that is used to limit slip clamp assemblies 22 states.Described slip clamp assemblies 22 is made of four Wedge grippings 221, each Wedge gripping 221 has the inclined-plane that the inwall 212 with main body 21 is complementary, can form the middle part after these four Wedge grippings, 221 combinations is columniform axially extending bore, and external diameter is similar to the cylinder of truncated cone-shaped.
Actuating assembly 23 is by slippage cover 231 and hydraulic pressure push-pull device at fixed 4, and elastomeric element 232 constitutes.The end of slippage cover 231 and Wedge gripping 221 all has the groove that activity mutually overlaps and makes slippage overlap 231 elastomeric elements 232 that have to the diametric(al) movement tendency of main body 21, this connected mode, pipe fitting is inserted in the slip clamp assemblies 22, can make two parts can form the integral body of an interaction on the other hand.
Hydraulic pressure push-pull device at fixed 4 has a linkage 41, and an end of this linkage 41 and hydraulic mechanism piston 42 flexibly connects, and the other end and top extend into slippage cover 231 interior slide blocks 43 and is connected.When piston 42 actions, can drive 231 actions of slide block 43 and slippage cover, thereby make slip clamp assemblies 22 finish the task that the pipe fitting that extend in it is clamped or unclamped.When clamping device 2 finish clamp the pipe fitting task after, by the piston 32 on the mobile compression assemblies 1 and the termination of being clamped pipe fitting is extend in the undergauge mould 12, can force pipe end zone undergauge.
Claims (7)
1, make the extrusion equipment of pipe end reducing, it is characterized in that: have a fuselage, on fuselage, be equipped with can pipe fitting that send into is fixing clamping device and with the matching used compression assemblies that makes the termination undergauge of institute's fixed fitting of this clamping device.
2, extrusion equipment according to claim 1 is characterized in that: described clamping device and compression assemblies are controlled its action by hydraulic mechanism respectively.
3, extrusion equipment according to claim 1 and 2, it is characterized in that: described compression assemblies has one and is fixed on fairlead on the fuselage by support, be equipped with in this fairlead axially and be connected with the take-off lever of hydraulic mechanism, the other end is fixed with the piston piece of undergauge mould.
4, extrusion equipment according to claim 3 is characterized in that: described undergauge mould comprises a disk, is provided with step-like radial direction through hole in the central region of this disk.
5, extrusion equipment according to claim 1, it is characterized in that: described clamping device has the hollow body of an inwall along axioversion, is equipped with to be used to clamp or unclamp slip clamp assemblies that extend into pipe fitting in the main body and the actuating assembly that is used to limit slip clamping component states in main body.
6, extrusion equipment according to claim 5 is characterized in that: described slip clamp assemblies comprises that at least two is columniform through hole by the internal diameter that is combined to form, and external diameter is similar to the Wedge gripping of truncated cone-shaped.
7, extrusion equipment according to claim 5, it is characterized in that: described actuating assembly has the hydraulic pressure push-pull device at fixed that the slippage cover that flexibly connects with the end of Wedge gripping and control slippage cover move along the axially parallel of main body, and the elastomeric element that can make the diametric(al) movement tendency of the oriented main body of described slippage tackling.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03284563 CN2637027Y (en) | 2003-08-01 | 2003-08-01 | Extrusion equipment for making pipe end changing size |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03284563 CN2637027Y (en) | 2003-08-01 | 2003-08-01 | Extrusion equipment for making pipe end changing size |
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CN2637027Y true CN2637027Y (en) | 2004-09-01 |
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CN 03284563 Expired - Fee Related CN2637027Y (en) | 2003-08-01 | 2003-08-01 | Extrusion equipment for making pipe end changing size |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101890447A (en) * | 2010-06-22 | 2010-11-24 | 无锡曙光模具有限公司 | Fixture for increasing diameter of thick-walled hollow pipe |
CN102974985A (en) * | 2012-12-03 | 2013-03-20 | 西安西工大超晶科技发展有限责任公司 | Manufacture method for nuclear power station steam generator heat transfer tube end cap |
CN105689487A (en) * | 2016-03-30 | 2016-06-22 | 江苏界达特异新材料股份有限公司 | Diameter-changing performing technology and diameter-reducing device of internal high-pressure forming tube |
CN106391892A (en) * | 2016-08-31 | 2017-02-15 | 安徽金三环金属科技有限公司 | Cold-stamping necking equipment |
CN107061405A (en) * | 2016-07-18 | 2017-08-18 | 阜阳市棋剑节能环保设备有限公司 | The dustproof construction of steel pipe size reducing machine hydraulic jack |
CN107309287A (en) * | 2017-08-09 | 2017-11-03 | 河北晓进机械制造股份有限公司 | A kind of combination hydraulic size reducing machine |
CN109701832A (en) * | 2019-01-24 | 2019-05-03 | 深圳市奥松自动化设备有限公司 | Seven axis dispensers |
CN110479791A (en) * | 2019-09-23 | 2019-11-22 | 长春市阿尔科达科技有限公司 | A kind of molding processing method of high pressure oil rail necking down |
CN110544858A (en) * | 2019-09-25 | 2019-12-06 | 南安市耶郞新材料科技有限公司 | Compression-cracking-preventing necking machine for head of clamping plate type male shell |
-
2003
- 2003-08-01 CN CN 03284563 patent/CN2637027Y/en not_active Expired - Fee Related
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101890447A (en) * | 2010-06-22 | 2010-11-24 | 无锡曙光模具有限公司 | Fixture for increasing diameter of thick-walled hollow pipe |
CN102974985A (en) * | 2012-12-03 | 2013-03-20 | 西安西工大超晶科技发展有限责任公司 | Manufacture method for nuclear power station steam generator heat transfer tube end cap |
CN102974985B (en) * | 2012-12-03 | 2015-11-04 | 西安西工大超晶科技发展有限责任公司 | A kind of nuclear power station steam generator heat transfer tube end cap manufacture method |
CN105689487A (en) * | 2016-03-30 | 2016-06-22 | 江苏界达特异新材料股份有限公司 | Diameter-changing performing technology and diameter-reducing device of internal high-pressure forming tube |
CN107061405B (en) * | 2016-07-18 | 2018-04-13 | 阜阳市棋剑节能环保设备有限公司 | The dustproof construction of steel pipe size reducing machine hydraulic cylinder |
CN107061405A (en) * | 2016-07-18 | 2017-08-18 | 阜阳市棋剑节能环保设备有限公司 | The dustproof construction of steel pipe size reducing machine hydraulic jack |
CN106391892A (en) * | 2016-08-31 | 2017-02-15 | 安徽金三环金属科技有限公司 | Cold-stamping necking equipment |
CN107309287A (en) * | 2017-08-09 | 2017-11-03 | 河北晓进机械制造股份有限公司 | A kind of combination hydraulic size reducing machine |
CN107309287B (en) * | 2017-08-09 | 2023-09-12 | 河北晓进机械制造股份有限公司 | Combined hydraulic reducing machine |
CN109701832A (en) * | 2019-01-24 | 2019-05-03 | 深圳市奥松自动化设备有限公司 | Seven axis dispensers |
CN109701832B (en) * | 2019-01-24 | 2023-11-10 | 深圳市奥松自动化设备有限公司 | Seven-axis dispensing machine |
CN110479791A (en) * | 2019-09-23 | 2019-11-22 | 长春市阿尔科达科技有限公司 | A kind of molding processing method of high pressure oil rail necking down |
CN110544858A (en) * | 2019-09-25 | 2019-12-06 | 南安市耶郞新材料科技有限公司 | Compression-cracking-preventing necking machine for head of clamping plate type male shell |
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