CN207756605U - A kind of cold centring means of pipe - Google Patents
A kind of cold centring means of pipe Download PDFInfo
- Publication number
- CN207756605U CN207756605U CN201721668087.5U CN201721668087U CN207756605U CN 207756605 U CN207756605 U CN 207756605U CN 201721668087 U CN201721668087 U CN 201721668087U CN 207756605 U CN207756605 U CN 207756605U
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- Prior art keywords
- pipe
- cylinder
- centring means
- plate
- screw rod
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Abstract
The utility model discloses a kind of cold centring means of pipe, including riser, top, holder, lifter plate, roll, rolling bearing, bottom plate, top plate, hinge, wheel, screw rod and nut.The cold centring means of pipe of the utility model, is made using metal material, is designed as symmetrical structure；Make axial linear movement, lifter plate in pass using the scroll positioning of roll, pipe and carries out a series of technical measures such as rolling screens, the axial precession of top in the second baltimore groove of riser, realize the accurate centering and drilling to pipe so that the utility model patent technology has the characteristics that production cost is low, centering precision is high, operation is flexible.
Description
Technical field
The utility model is related to field of mechanical technique more particularly to a kind of cold centring means of pipe.
Background technology
The required filled circles blank of production steel pipe is usually called pipe, pipe centering refers in the end face of pipe front end
Centre-drilling hole or punching.In the production process by pipe to hollow billet, the work that the both ends end to end of pipe are got with cone is needed
Skill hole, if fabrication hole is trained off, the head wall thickness of hollow billet is be easy to cause in perforation to facilitate punch accurately to be perforated
Unevenness reduces the geometric accuracy of steel pipe.
The online hot centering technique of the current generally use in China, heat centering is after heating of pipe blank, with compressed air or hydraulic pressure
Punching in hot state.But on the one hand the technique can cause the temperature drop of pipe, increase the rolling load of punch, on the other hand meeting
Influence production efficiency.
Although disclosing several pipes in CN104942401A, CN101032776A, CN203992912U patent document
Centring means, but it still has many shortcomings：(1) design is relatively complicated, causes production cost relatively high；
(2) centering punching is carried out to pipe by the electric discharge of electric arc bar, certain damage can be caused to human body；(3) centering precision is not high enough.
Therefore, those skilled in the art is dedicated to developing a kind of cold centring means of pipe, using Machining principle, behaviour
Make comparatively safe；It is come directly towards by axial precession, realizes the accurate centering to pipe at normal temperatures, and get high-precision circular cone
Hole.
Utility model content
In view of the drawbacks described above of the prior art, technical problem to be solved in the utility model is in pipe centering process
There are security risks；Centering precision is not high enough；The complex structural designs of device cause production cost higher, and efficiency is low.
To achieve the above object, the utility model provides a kind of cold centring means of pipe, including riser, top, holder,
Lifter plate, roll, bottom plate, top plate, rolling bearing, hinge, wheel, screw rod and nut.
The riser is the symmetrical concave structure of plate；
Further, in the concave structure another side, four cylinder bore holes of symmetrical machining, for installing the axis of rolling
It holds, is attached with roll；
Further, the front end that same side is cheated in the cylinder bore is equipped with the second baltimore groove of a setting, is used as
The raceway of wheel on lifter plate, eight cylinder through-holes of symmetrical machining on two horizontal planes up and down of concave structure, for pacifying
Screw rod is inserted, is attached respectively with top plate and bottom plate.
The top is cylindrical structure, is made using metal material；
Further, the front end of the cylinder is cone drill bit structure, can be drilled to pipe；
Further, the outer surface at position is equipped with screw thread among the cylinder, to twist-on holder；
Further, the rear end of the cylinder is cylindrical structure.
The holder is convex structure, is made using metal material；
Further, it at the axis of convex structure, if there are one horizontal cylinder screw hole, is come directly towards to twist-on；
Further, the axis of cylinder screw hole is overlapped with the axis of pipe to be felt relieved, the clubfoot in convex structure both sides
It is upper to be respectively attached with bottom plate there are two vertical cylinder through-hole to assign screw rod.
The lifter plate is rectangular parallelepiped structure, is made using metal material；
Further, on the end face of the left and right of lifter plate two, it is respectively provided with a first vertical baltimore groove, for placing
Wheel；
Further, in the left and right ends of lifter plate, symmetrical four cylinder through-holes are equipped with, to assign hinge, with wheel
Son is attached.
The roll both ends are cylindrical structure, are made using metal material；
Further, rolling bearing is installed at roll both ends；
Further, the vertical sectional shape of the intermediate working portion of roll in an axial direction is semicircle；
Further, the pass that upper and lower two rolls are constituted is circle, pipe can in pass positioning trip.
The bottom plate is cuboid platy structure, is made using metal material；
Further, in the left and right ends of the bottom plate, symmetrical 12 cylinder through-holes are equipped with, to assign spiral shell
Bar is attached with riser and holder respectively.
The top plate is cuboid platy structure, is made using metal material；
Further, in the left and right ends of the top plate, symmetrical eight cylinder through-holes are equipped with, to assign screw rod,
It is attached with riser.
In the better embodiment of the utility model, the riser is two pieces, top is one, holder is one, rises
Drop plate is one piece, roll is four, bottom plate is one piece, top plate is one piece, rolling bearing is eight, hinge is four, wheel four
A, screw rod is 20, nut is 20.
In another better embodiment of this practicality, the rolling bearing, hinge, wheel, screw rod and nut are standard
Part.
Using above scheme, the cold centring means of pipe of the utility model has the advantages that：
The cold centring means of pipe provided by the utility model, constituent material is common, easy to process, therefore, the production of device
Cost is relatively low；
The cold centring means of pipe of the utility model, package unit are symmetrical structure, roll can scroll positioning, pipe can
To make axial linear movement, and the axis weight of the cylinder screw hole of holder and pipe to be felt relieved in the pass that one group of roll forms
It closing, lifter plate carries out a series of technical measures such as screens in the second baltimore groove of riser, being accurately positioned for pipe may be implemented,
Therefore, the centering precision of device is relatively high：
The cold centring means design of pipe of the utility model is more compact, pipe can be ensured at two pairs by rotary roller
Screens movement is carried out in the pass that roll is formed, and is come directly towards by axial precession, the drill precise holes to pipe may be implemented, because
This, the operation of device is more flexible：
In conclusion by the cold centring means of the utility model pipe, realizes and precision centering is carried out to pipe and cold is beaten
The purpose in hole has the characteristics that device production cost is low, centering precision is high, operation is flexible, is conducive to carry out wide popularization and application.
The technique effect of the design of the utility model, concrete structure and generation is made furtherly below with reference to attached drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Description of the drawings
Fig. 1 is the front view of the cold centring means of pipe of a preferred embodiment of the utility model；
Fig. 2 is the left view of the cold centring means of pipe of a preferred embodiment of the utility model；
Fig. 3 is the vertical view of the cold centring means of pipe of a preferred embodiment of the utility model；
Fig. 4 is that section view of the cold centring means of pipe of a preferred embodiment of the utility model along the faces A-A of Fig. 3 is illustrated
Figure；
Fig. 5 is that section view of the cold centring means of pipe of a preferred embodiment of the utility model along the faces B-B of Fig. 3 is illustrated
Figure；
In figure, 1- bottom plates, 2- nuts, 3- holders, 4- top plates, 5- hinges, 6- lifter plates, the first baltimore grooves of 601-, 7- wheels,
8- rolls, the tops 9-, 10- screw rods, 11- risers, the second baltimore grooves of 1101-, 12- rolling bearings, 13- pipes；
Rolling bearing, hinge, screw rod and nut in all schematic cross-sectional views do not do section view.
Specific implementation mode
Multiple preferred embodiments that the utility model is introduced below with reference to Figure of description, keep its technology contents clearer
Be easy to understand.The utility model can be emerged from by many various forms of embodiments, the protection of the utility model
Range is not limited only to the embodiment mentioned in text.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.The utility model does not limit the size and thickness of each component.In order to keep diagram apparent, attached drawing
In some places suitably exaggerate thickness of component.
As depicted in figs. 1 and 2, the cold centring means of a kind of pipe comprising riser (11), top (9), holder (3), lifting
Plate (6), roll (8), rolling bearing (12), bottom plate (1), top plate (4), hinge (5), wheel (7), screw rod (10) and nut (2)；
Assemble method：The first, one rolling bearing (12) of installation in each cylinder bore of every piece of riser (11) is cheated, two
Block riser (11) is positioned opposite, and the both ends of four rolls (8) are assigned into respectively in two rolling bearings (12) positioned opposite,
Then by the horizontal padded placement of one piece of bottom plate (1), then two pieces of risers (11) are placed on vertically on bottom plate (1), after through-hole centering,
A screw rod (10), one nut (2) of other end twist-on of every screw rod (10) so that bottom plate (1) are assigned in each through-hole
It is attached with two pieces of risers (11)；
The second, it is horizontally arranged one piece of top plate (4) on two pieces of risers (11), after through-hole centering, is assigned in each through-hole
A piece screw rod (10), one nut (2) of other end twist-on of every screw rod (10) so that top plate (4) and two pieces of risers (11) into
Row connection；
Four wheels (7) are placed in two the first baltimore grooves (601) that lifter plate (6) left and right ends are equipped with by third,
Four cylinder through-hole centerings for ensureing wheel (7) and lifter plate (6), then respectively install a hinge in four cylinder through-holes
(5) so that wheel (7) is attached with lifter plate (6)；
4th, holder (3) is placed on bottom plate (1), ensures the cylinder through-hole centering of holder (3) and bottom plate (1), so
Respectively assign a screw rod (10) in the through-hole in each pair afterwards, one nut (2) of each twist-on of the other end of every screw rod (10),
So that holder (3) is attached with bottom plate (1)；
5th, top (9) is screwed into the screw hole of holder (3), lifter plate (6) along the second baltimore groove of riser (11)
(1101) it is pushed into；Assembling obtains the cold centring means of pipe of the utility model.
When use：
First, the cold centring means of assembled pipe is steadily placed, ensures axis and the top of pipe to be felt relieved (13)
(9) axis overlaps；
Then, lifter plate (6) is lifted along the second baltimore groove (1101) of riser (11), then rotates roll (8), it will
Pipe (13) is sent into the pass that roll (8) forms, then lifter plate (6) is put along the second baltimore groove (1101) of riser (11)
Under, axial precession comes directly towards (9), can drill out a fabrication hole in the shaft core position of (13) one side end face of pipe；
Finally, lifter plate (6) is risen along the second baltimore groove (1101) of riser (11), counter-rotating rollers (8) will
It is removed in the pass that pipe (13) is formed from roll (8), pipe (13) is allowed to rotate 180 degree in the horizontal direction, repeat aforesaid operations
Process can get a fabrication hole again in the shaft core position of pipe (13) another side end face.
By detection, the fabrication hole that the utility model embodiment is got in pipe both sides, centering is accurate, off-centered
Error is small；By specific implementation mode as can be seen that the cold centring means of pipe to pipe carry out centering beat fabrication hole during,
To operator safety height, operation is flexible；Device structure is simpler, make production cost it is low,.
The preferred embodiment of the utility model described in detail above.It should be appreciated that this field ordinary skill without
It needs creative work according to the present utility model can conceive and makes many modifications and variations.Therefore, it is all in the art
Technical staff on the basis of existing technology can by logical analysis, reasoning, or a limited experiment according to the design of the utility model
It, all should be in the protection domain being defined in the patent claims with obtained technical solution.
Claims (6)
1. a kind of cold centring means of pipe, which is characterized in that including riser (11), top (9), holder (3), lifter plate (6), roll
Roller (8), bottom plate (1), top plate (4), rolling bearing (12), hinge (5), wheel (7), screw rod (10) and nut (2)；
Wherein, the riser (11) is the symmetrical concave structure of plate；The concave structure another side, four cylinders of symmetrical machining
Body opening is cheated, and for installing rolling bearing (12), is attached with roll (8)；The front end of cylinder bore hole same side, if
There is the second baltimore groove (1101) of a setting, is used as the raceway of wheel on lifter plate (6), in two water up and down of concave structure
Eight cylinder through-holes of symmetrical machining in plane are attached with top plate (4) and bottom plate (1) respectively for assigning screw rod (10)；
The top (9) is cylindrical structure, is made using metal material；The front end of the cylinder is cone drill bit
Structure can drill to pipe (13)；The outer surface at position is equipped with screw thread among cylinder, to twist-on holder (3)；It is described
The rear end of cylinder is cylindrical structure；
The holder (3) is convex structure, is made using metal material；At the axis of the convex structure, it is equipped with one
The cylinder screw hole of a level, twist-on come directly towards (9)；The axis of cylinder screw hole is overlapped with the axis of pipe to be felt relieved (13),
Convex structure both sides are respectively there are two vertical cylinder through-hole, to assign screw rod (10), screw rod (10) and the bottom plate (1) into
Row connection；
On the end face of left and right two of the lifter plate (6), it is respectively provided with vertical first baltimore groove (601), for placing wheel
Sub (7)；Left and right ends in lifter plate (6) are equipped with symmetrical four cylinder through-holes, to assign hinge (5), with wheel (7)
It is attached；The left and right ends of the bottom plate (1) are equipped with symmetrical 12 cylinder through-holes, to assign screw rod (10), point
It is not attached with riser (11) and holder (3)；
The left and right ends of the top plate (4) are equipped with symmetrical eight cylinder through-holes, to assign screw rod (10), with riser
(11) it is attached.
2. the cold centring means of pipe as described in claim 1, which is characterized in that the riser is two pieces, top is one, holder
For one, lifter plate be one piece, roll is four, bottom plate is one piece, top plate is one piece, rolling bearing is eight, hinge is four,
Wheel is four, screw rod is 20, nut is 20.
3. the cold centring means of pipe as described in claim 1, which is characterized in that the lifter plate is rectangular parallelepiped structure, using gold
Belong to material to be made.
4. the cold centring means of pipe as described in claim 1, which is characterized in that roll (8) both ends are cylindrical structure, are used
In installation rolling bearing (12)；
The vertical sectional shape of the intermediate working portion of the roll (8) in an axial direction is semicircle, the hole that upper and lower two rolls are constituted
Type is circle, pipe (13) positioning trip in pass.
5. the cold centring means of pipe as described in claim 1, which is characterized in that the bottom plate (1) is cuboid platy structure, is adopted
It is made with metal material.
6. the cold centring means of pipe as described in claim 1, which is characterized in that the top plate (4) is cuboid platy structure, is adopted
It is made with metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721668087.5U CN207756605U (en) | 2017-12-05 | 2017-12-05 | A kind of cold centring means of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721668087.5U CN207756605U (en) | 2017-12-05 | 2017-12-05 | A kind of cold centring means of pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207756605U true CN207756605U (en) | 2018-08-24 |
Family
ID=63189822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721668087.5U Withdrawn - After Issue CN207756605U (en) | 2017-12-05 | 2017-12-05 | A kind of cold centring means of pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207756605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947885A (en) * | 2019-11-29 | 2020-04-03 | 仙居云利电子科技有限公司 | Automatic go up screw thread cross rolling equipment of unloading |
-
2017
- 2017-12-05 CN CN201721668087.5U patent/CN207756605U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947885A (en) * | 2019-11-29 | 2020-04-03 | 仙居云利电子科技有限公司 | Automatic go up screw thread cross rolling equipment of unloading |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180824 Effective date of abandoning: 20220401 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180824 Effective date of abandoning: 20220401 |