CN201172088Y - Steel tube end beading device - Google Patents
Steel tube end beading device Download PDFInfo
- Publication number
- CN201172088Y CN201172088Y CNU2008200556281U CN200820055628U CN201172088Y CN 201172088 Y CN201172088 Y CN 201172088Y CN U2008200556281 U CNU2008200556281 U CN U2008200556281U CN 200820055628 U CN200820055628 U CN 200820055628U CN 201172088 Y CN201172088 Y CN 201172088Y
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- Prior art keywords
- pipe end
- reducing device
- pipe
- internal diameter
- main body
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- Expired - Fee Related
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Abstract
The utility model relates to a steel pipe end necking device which comprises a necking device main body (4) provided with an arched disk working surface (8) and an inside diameter stop device (1), wherein, the other end of the necking device main body (4) corresponding to the arched disk working surface (8) is arranged on an end bracket of a general purpose machine; 3 to 5 compression rollers (5) producing radial pressure to the radial direction of the steel pipe are evenly distributed along the circumference of the disk working surface (8) of the necking device main body (4), a screw nut is connected on the disk working surface (8); the inside diameter stop device (1) is connected at the center of the necking device main body (4) through a high strength bolt (3). The steel pipe end necking device is particular applied to the steel pipe end necking processing that the inner wall of the pipe end of the pipe with thinner wall thickness and larger inner diameter needs a certain amount of cutting processing. For part of tubing with special materials, the deformation amount of the whole tubing end is controlled by controlling the inner diameter, at the same time, the inner diameter is prevented from being undersize and the processing efficiency is enhanced.
Description
Technical field
The utility model relates to field of machining, and more particularly, the utility model relates to a kind of steel pipe processing unit (plant).
Background technology
In the production of steel pipe, process, be connected and installed in the process, need carry out radially reducing processing to pipe end usually.
For example, in the design of the special buckle product of oil well pipe, usually, to carry out a certain amount of machining for the inwall of pipe pipe end.But the pipe material wall thickness that has is thinner relatively, and internal diameter causes more greatly and can't be machined into.Therefore need carry out reducing to the pipe end of this part pipe material, make internal diameter reduce by reducing, reach can be processed size.In addition, for the pipe material of part special material, deflection can not be too big, therefore need be by the control of internal diameter being controlled the deflection of whole pipe end, and simultaneously, preventing that internal diameter is too small also can reduce later processing capacity, improves working (machining) efficiency to a certain extent.
And for example, being connected and installed in the process of steel pipe, need carry out reducing processing radially usually, so that another pipe end is welded or rivets on it to a pipe end of steel pipe to be connected.
Perhaps, for the large-diameter steel pipe pipe end is corrected, the welded tube big at elasticity, that the mechanical strength fluctuation is big has proposed pipe end shrink mouth, the method for enlarging and usefulness and apparatus for correcting thereof.
And for example, in cold drawing steel tube is produced, in order to make the nib that can be passed the drawbench drawing die by the steel pipe of draw, generally all need carry out " tup " operation, this operation metal loss is big, labour intensity is high and the quality that influences steel pipe internal-surface.For this reason, the someone adopts the size that the pipe end reducing device makes needs reducing with being reached by the steel tube end part of cold-drawn.
Have, for the end of thin metallic tubd being processed into conical pipe end shrink mouth device, be used for the installation of bonding thin wall metal pipeline, the mode by punching press or spinning is processed into required pipe end shape with the expanding end or the reducing of copper pipe.
For example, the patent No. provides a kind of large-diameter steel pipe pipe-end straightening method and device thereof for the patent of invention of " CN88107835.2 ", and the welded tube big at elasticity, that the mechanical strength fluctuation is big has proposed pipe end shrink mouth, the method for enlarging and usefulness and apparatus for correcting thereof.Correct pipe end with this method, can not only obtain accurately consistent caliber size and high pipe end out of roundness, also can utilize the buckling deformation of reducing operation rectification commissure wherein.
And for example, the patent No. equipment that provides a kind of cold drawing steel tube pipe end shrink mouth to use for the patent of invention of " 93112490.5 ".This invention is to substitute " tup " with the reducing method.Described necking machine is formed by auxilliary cylinder, auxilliary cylinder piston, dolly, anchor clamps (clamping body, anchor clamps voussoir, clamp sheet), clamping fixture seat, master cylinder, master cylinder piston and with mechanical mechanism such as the support of dolly chute, nib panel seat and hydraulic system, make with reached by the steel tube end part of cold-drawn need reducing size.
The patent No. is used for the installation of bonding thin wall metal pipeline for the utility model of " CN200420049026.7 " relates to a kind of conical pipe end shrink mouth device that the end of thin metallic tubd can be processed into.It is characterized in that: it is made of body, elastic sleeve, thrust loose piece and actuating unit; The elastic sleeve that is positioned at body is to match with internal thread on the body by the external screw thread on the latter end to be fixed on the body, the leading portion of elastic sleeve is served as reasons and is formed a many resilient strip cylindraceous and constitute, the outer surface of elastic sleeve front end is a taper seat, the internal conical surface of the same tapering on this outer conical surface and the thrust loose piece that makes it to produce radial contraction matches, and the inner surface of elastic sleeve front end forms the taper seat of the tapering that requires for making pipe end; The thrust loose piece with can make it to produce reciprocating actuating unit and be connected.
Described utility model device is used for the end forming processes of air conditioner heat-exchanger brass pipe, and promptly the mode by punching press or spinning is processed into required pipe end shape with the expanding end or the reducing of copper pipe; Adopt hydraulic-driven, PLC control.
Number of patent application has for the steel tube end beading device of " 85104457 ": in predetermined mobile path moves around the equipment of automatic pipe processing end the first clamping device that is contained in the reducing device front that is positioned on the base on the mobile path is arranged. handlebar tube wall between the reducing device of pipe end shrink mouth and the first clamping device is processed into corrugated to form the tube press of axially spaced positioning area. the second clamping device of clamping tube end is arranged between tube press and reducing device. and the handlebar plug moves the plug feed apparatus of delivering to outside the path on the path between the second clamping device and reducing device. and the plug insertion apparatus has one to insert nozzle and move plug insertion tube end along being parallel to the pipe moving direction, and lubricant is sent in the pipe.
Again, number of patent application comprises a powered part and a combination forming part for the utility model of " 200620014470.4 " provides a kind of Pipe End Throat Machine, and described powered partly comprises a push action cylinder; Described combination forming partly comprises a clamping device; Wherein, described powered part also comprises the forming sleeve that an end is connected with push action cylinder, described forming sleeve one end medial surface is provided with profile, described clamping device comprises a mo(u)ld top half piece and a mo(u)ld bottom half piece, described upper and lower type piece is provided with depression, described two depressions are common form one can ccontaining workpiece cavity volume, described cavity volume one end medial surface is provided with profile.This utility model Pipe End Throat Machine can be realized the reducing simultaneously of shrinkage waiting open workpiece two ends.
Yet, the problem that above-mentioned pipe end reducing device exists is: it is very not convenient that the steel pipe that needs reducing is carried out reducing processing, mechanism's complexity, and be difficult to prevent that the pipe end distortion is excessive, particularly, seem not ideal enough in the man-hour that adds of the special button thin-walled oil pipe that is used for using in the oil field.
For overcoming the problems referred to above, the utility model provides a kind of pipe end reducing device, described pipe end reducing device features simple structure is specially adapted to pipe and expects that wall thickness is relatively thin, internal diameter is bigger, need carry out the pipe end reducing processing of a certain amount of machining to pipe pipe end inwall.
The utility model content
The utility model provides a kind of pipe end reducing device, described pipe end reducing device comprises the internal diameter stop device that the reducing device main body and that is formed with an arc disk machined surface is installed on it, and the other end of the arc relatively disk machined surface of described reducing device main body is used to be installed on the universal machine tools tailstock;
The 3-5 of being uniformly distributed along the circumference on the disc face of described reducing device main body radially produces the pressure roller of radial pressure to steel pipe, and nut is mounted on the disc face;
Described internal diameter stop device is connected reducing device body center by high-strength bolt.
According to pipe end reducing device of the present utility model, described pipe end reducing device is specially adapted to pipe and expects that wall thickness is relatively thin, internal diameter is bigger, need will carry out the pipe end reducing processing of a certain amount of machining to pipe pipe end inwall.
According to pipe end reducing device of the present utility model, described pipe end reducing device makes internal diameter reduce by reducing, reach can be processed size.In addition, for the pipe material of part special material, by the control of internal diameter being controlled the deflection of whole pipe end, prevent the change of the excessive material mechanical performance that causes of cold working, simultaneously, preventing that internal diameter is too small also can reduce later processing capacity, improves working (machining) efficiency.
According to pipe end reducing device of the present utility model, be preferably, the described disc face upper edge circumference of described pipe end reducing device is on average every 120 ° of distributions totally 3 pressure rollers (bearing) that steel pipe radially produced radial pressure.
In view of the above, these 3 pressure rollers radially produce radial pressure to steel pipe in the reducing process, play main reducing effect.
According to pipe end reducing device of the present utility model, be preferably the interface of an arc Morse's taper of disc face main body band of described pipe end reducing device
In view of the above, arc disc face provides favorable rigidity basis, modifier treatment.The interface of Morse's taper can be installed on the most universal machine tools tailstock easily.
According to pipe end reducing device of the present utility model, be preferably, the described internal diameter stop device of described pipe end reducing device is connected on the body center by 4 high-strength bolts;
In view of the above, the internal diameter stop device is connected on the body center by the high-strength bolt of 4 M8*50, the main sizing effect that plays inwall after the steel pipe reducing, prevent that the pipe deformation amount is excessive, significant for the steel pipe of some special substances, can provide a comparatively suitable allowance for the machined for inwall later on simultaneously.
According to pipe end reducing device of the present utility model, be preferably, the described internal diameter stop device of described pipe end reducing device center also has a high strength trimming bolt (this bolt need be processed and help tooth).
In view of the above, internal diameter stop device center also has the high-strength bolt (this bolt need be processed and help tooth) of a M10*50, can finely tune the front and back position of internal diameter stop device, also can when this device generation of dismounting is stuck this device be ejected body.
According to pipe end reducing device of the present utility model, described pipe end reducing device is specially adapted to pipe and expects that wall thickness is relatively thin, internal diameter is bigger, need will carry out the pipe end reducing processing of a certain amount of machining to pipe pipe end inwall.
According to pipe end reducing device of the present utility model, described pipe end reducing device makes internal diameter reduce by reducing, reach can be processed size.In addition, for the pipe material of part special material,, improve working (machining) efficiency by the control of internal diameter being controlled the deflection of whole pipe end.
The simple declaration of accompanying drawing
Figure 1 shows that the schematic diagram of pipe end reducing device of the present utility model.
Figure 2 shows that the left side view of the pipe end reducing device of Fig. 1.
Among the figure, 1 is the internal diameter stop device, and 2 is screw, 3 is high-strength bolt, and 4 for being formed with the pipe end reducing device body of arc disc face, and 5 is pressure roller, 6 is the interface of Morse's taper, and 7 for needing the pipe end of reducing, and 8 is the arc disc face of pipe end reducing device body.
The specific embodiment
Specify pipe end reducing device of the present utility model by the following examples.
As Fig. 1, shown in 2,4 for being formed with the pipe end reducing device body of arc disc face 8, and body 4 is formed with an arc disc face 8, the interface 6 of a Morse's taper of other end band.Arc disc face 8 provides favorable rigidity basis, modifier treatment.The interface 6 of Morse's taper can be installed on the most universal machine tools tailstock easily.
On average every 120 ° of distributions totally 3 pressure rollers (bearing) 5, model is IKO CF24 to disc face 8 upper edge circumference, is installed on the disc face by the nut syndeton that carries.5 pairs of steel pipes of these 3 pressure rollers radially produce radial pressure in the reducing process, play main reducing effect.
Internal diameter stop device 1 is connected on body 4 centers by the high-strength bolt 3 of 4 M8*50, the main sizing effect that plays inwall after the pipe end reducing, prevent that the pipe end deflection is excessive, significant for the steel pipe of some special substances, can provide a comparatively suitable allowance for the machined for inwall later on simultaneously.Internal diameter stop device 1 center also has the high-strength bolt 3 (this bolt need be processed and help tooth) of a M10*50, can finely tune the front and back position of internal diameter stop device 1, also can when this device generation of dismounting is stuck this device be ejected body.
The course of work of pipe end reducing device of the present utility model is as follows:
The steel pipe that needs reducing axially rotates along pipe by the drive of lathe claw, and this device is done axial feeding by the rectilinear motion of tailstock.The external diameter of steel pipe contacts earlier with pressure roller, the rotation of steel pipe rotating band dynamic pressure roller at this moment, and the radial pressure of pressure roller makes steel pipe produce the reducing distortion simultaneously; Along with the increase of feeding distance, the inside and outside footpath of steel pipe constantly dwindles, the pipe end of final steel pipe and the step place that internal diameter leans against the internal diameter stop device.The process of whole reducing this moment is finished, and by tailstock reducing device is return.In the reducing process, should note keeping lubricated, want lubricating oil spraying facing to pressure roller and steel pipe contact site.In the present embodiment, petroleum steel pipe pipe end shrink mouth machine equipment is used for Φ 60.32～Φ 114.3mm petroleum steel pipe pipe end shrink mouth, and thickness of steel pipe scope 4～7mm, but length range 5000～15000mm automation produce continuously.
Maximum necking force: 10t
Assembly axis is to maximum reducing processing length: 27mm
Device feed speed: 0～70mm/min
Add main shaft in man-hour (pipe material) rotating speed: 0～40 commentaries on classics/min
According to pipe end reducing device of the present utility model, can make things convenient for to such an extent that the special button light-wall pipe steel pipe that needs reducing is carried out reducing, and can prevent to be out of shape excessive.
According to pipe end reducing device of the present utility model, described pipe end reducing device is specially adapted to pipe and expects that wall thickness is relatively thin, internal diameter is bigger, need will carry out the pipe end reducing processing of a certain amount of machining to pipe pipe end inwall.
According to pipe end reducing device of the present utility model, described pipe end reducing device makes internal diameter reduce by reducing, reach can be processed size.In addition, for the pipe material of part special material,, improve working (machining) efficiency by the control of internal diameter being controlled the deflection of whole pipe end.
Claims (6)
1. pipe end reducing device, described pipe end reducing device comprise reducing device main body that is formed with an arc disk machined surface and an internal diameter stop device that is installed on it, it is characterized in that,
The other end of the arc relatively disk machined surface of described reducing device main body is used to be installed on the universal machine tools tailstock;
The 3-5 of being uniformly distributed along the circumference on the disc face of described reducing device main body radially produces the pressure roller of radial pressure to steel pipe, and nut is mounted on the disc face;
Described internal diameter stop device is connected reducing device body center by bolt.
2. pipe end reducing device as claimed in claim 1 is characterized in that, on the described disc face of described pipe end reducing device, along circumference on average every 120 ° of distributions totally 3 pressure rollers that steel pipe radially produced radial pressure.
3. pipe end reducing device as claimed in claim 1, it is characterized in that, the arc disc face main body of described pipe end reducing device and universal machine tools tailstock link form the interface of a Morse's taper, and the interface of described Morse's taper is installed on the tail stock for machine tool.
4. pipe end reducing device as claimed in claim 1 is characterized in that, described internal diameter stop device is connected the body center by 4 bolts.
5. pipe end reducing device as claimed in claim 1 is characterized in that, described internal diameter stop device center also has a high strength trimming bolt.
6. pipe end reducing device as claimed in claim 5 is characterized in that, tooth is helped in the high strength trimming bolt processing at described internal diameter stop device center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200556281U CN201172088Y (en) | 2008-02-21 | 2008-02-21 | Steel tube end beading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200556281U CN201172088Y (en) | 2008-02-21 | 2008-02-21 | Steel tube end beading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201172088Y true CN201172088Y (en) | 2008-12-31 |
Family
ID=40199198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200556281U Expired - Fee Related CN201172088Y (en) | 2008-02-21 | 2008-02-21 | Steel tube end beading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201172088Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728734A (en) * | 2012-07-10 | 2012-10-17 | 天津钢管集团股份有限公司 | Online opening closing device for pipe end |
| CN103008445A (en) * | 2012-12-04 | 2013-04-03 | 西安庆安电气控制有限责任公司 | Lathe device for axially fixing bearing |
| CN108162374A (en) * | 2016-06-02 | 2018-06-15 | 昆山科森科技股份有限公司 | The processing jig of minimally invasive medical conduit |
-
2008
- 2008-02-21 CN CNU2008200556281U patent/CN201172088Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728734A (en) * | 2012-07-10 | 2012-10-17 | 天津钢管集团股份有限公司 | Online opening closing device for pipe end |
| CN103008445A (en) * | 2012-12-04 | 2013-04-03 | 西安庆安电气控制有限责任公司 | Lathe device for axially fixing bearing |
| CN108162374A (en) * | 2016-06-02 | 2018-06-15 | 昆山科森科技股份有限公司 | The processing jig of minimally invasive medical conduit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20160221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |