CN207547347U - Steel pipe spiral groove rolling device - Google Patents
Steel pipe spiral groove rolling device Download PDFInfo
- Publication number
- CN207547347U CN207547347U CN201721681670.XU CN201721681670U CN207547347U CN 207547347 U CN207547347 U CN 207547347U CN 201721681670 U CN201721681670 U CN 201721681670U CN 207547347 U CN207547347 U CN 207547347U
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- China
- Prior art keywords
- steel pipe
- sleeve
- short axle
- rolling wheel
- hole
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Abstract
The utility model provides a kind of steel pipe spiral groove rolling device, belongs to mechanical stitch processing technique field.At present, spiral grooved tube is in the design and manufacture of heat exchanger, primarily serves the effect of heat exchange and heat transfer, its formant as heat transfer element is widely used in the industries such as oil, chemical industry and power.For the forming process of steel pipe helicla flute, mainly realized by being plastically deformed processing, device described in the utility model can reliably realize the rolling to steel pipe, by realizing multiple spot stress simultaneously on the circumference of steel pipe, ensure the quality of the uniform groove face of groove profile, be particularly directed to thin-walled and longer steel pipe, it can realize a roll forming, secondary occlusion and artificial alignment are not needed to, production efficiency is improved, ensure that the quality of production.
Description
Technical field
The utility model belongs to mechanical stitch processing technique field, is related to a kind of rolling device of helicla flute, and in particular to
A kind of steel pipe spiral groove rolling device.
Background technology
At present, spiral grooved tube primarily serves the effect of heat exchange and heat transfer in the design and manufacture of heat exchanger, it is as biography
The formant of thermal element is widely used in the industries such as oil, chemical industry and power.It is main for the forming process of steel pipe helicla flute
It to be realized by being plastically deformed processing, a kind of steel pipe helicla flute has been invented in, tubing longer steel pipe relatively thin for wall thickness, research
Rolling device, mainly by bottom plate, bolt, left support abutment, cutting ferrule, short key, nut, stud, outer pressing sleeve, right support abutment, rolling wheel, every
Set, support sleeve and short axle composition.Power and transmission system by lathe is needed for rolling device, in advance by lathe slide carriage
On knife rest remove after installed.Traditional machining spiral groove, steel pipe unbalance stress, deformation is larger, and spiral groove surface is preferably opened
It splits, it is necessary to which carrying out secondary occlusion could use, the utility model steel pipe spiral groove rolling device, simple in structure, can realize one
Secondary roll forming, production efficiency is high, and deflection deformation is small after steel pipe rolling, avoids in the rolling process since unbalance stress causes
Tube wall cracking phenomena, particularly suitable thin-walled and longer steel pipe.
Rolling device is mounted on lathe slide carriage, and working method is rolled into from the headstock of lathe to tailstock direction
Type, to ensure the molding rigidity of spiral grooved tube.
Invention content
The purpose of this utility model is to solve the above-mentioned problems of the prior art, i.e., most of rolling are set in the market
For to steel pipe unbalance stress, deformation is larger, and spiral groove surface preferably cracks, and the spiral grooved tube for manufacturing long length is very difficult etc. existing
As in order to ensure the Forming Quality of heat exchange element, and then providing a kind of for steel pipe spiral groove rolling device.
The purpose of this utility model is achieved through the following technical solutions：
Steel pipe spiral groove rolling device, including：Bottom plate, bolt, left support abutment, cutting ferrule, short key, nut, stud, outer pressing sleeve,
Right support abutment, rolling wheel, spacer, support sleeve, short axle, inner ring and the short axle interference fit of the rolling wheel are installed, in rolling wheel
The end face side of ring is in contact with the shaft shoulder of short axle, and opposite side is contacted with spacer, spacer and short axle clearance fit, rolling wheel outer shroud
It can be freely rotated.One end of support sleeve is square structure, and the other end is cylindrical structure, and hollow formation through-hole is supporting
On the cylindrical surface of axle sleeve, four parts of straight slots and blind slot are provided with, and be uniformly distributed one week by helix rule, straight slot is radially formed
Sector region, blind slot in axial direction form cylindrical region, and short axle, rolling wheel and spacer form component, between being formed with two cell walls
Gap coordinates, and can integrally move radially, and short axle both ends are supported by blind slot bottom forms mobile extreme position.Outer pressing sleeve edge
Axial to be made of two valves, the combination of two valves is on the cylindrical surface of support sleeve, the support sleeve both ends major diameter shaft shoulder and outer pressing sleeve
End face contacts, and outer pressing sleeve inner surface is along the circumferential direction made of three groups of gradual change arc sections, and gradual change arc section is by two sections of different-diameters
Contact of a curve form, the cylindrical outer surface of outer pressing sleeve is opened by helix rule there are four avoiding hollow groove, meanwhile, on cylindrical surface, upper edge is same
One axis is set there are two keyway, and the inner surface of cutting ferrule is equipped with keyway through-hole, and short key is mounted in keyway, the cutting ferrules of left and right two with it is outer
Pressing sleeve is installed with one heart, and cutting ferrule circumferentially welds three groups of installing plates with through-hole, is fastenedly connected by stud and nut.Left support abutment and
Right support abutment is separately mounted on support sleeve, and one end is square hole, and the other end is round hole, and two bottom surface of support saddle pass through bolt and bottom
Plate fastening installation, bottom base plate have positioning convex platform and mounting hole, can be located by connecting with machine tool.
The beneficial effects of the utility model：In common steel tube helicla flute rolling process, since rolling wheel is single presence,
It is non-uniform to the stress of steel pipe radially, leads to steel pipe when being pressurized generation plastic deformation, one side helicla flute rolling shape
Shape size is uneven, is also easy to produce cracking phenomena；On the other hand bending is presented in entire steel pipe, needs secondary occlusion and artificial alignment.
The utility model ensures the uniform quality of groove profile, is particularly directed to by realizing multiple spot stress simultaneously on the circumference of steel pipe
Thin-walled and longer steel pipe can realize a roll forming, not need to secondary occlusion and artificial alignment, improve production effect
Rate ensure that the quality of production.
Description of the drawings
Fig. 1 is the axis side schematic diagram of the utility model steel pipe spiral groove rolling device
Fig. 2 is the internal structure axis side schematic diagram of Fig. 1
Fig. 3 is the front view and left view of assembling assembly
Fig. 4 is the axis side schematic diagram of part 12
Fig. 5 is the axis side schematic diagram of part 8
Fig. 6 is the front view of part 8
Reference numeral in figure：1 is bottom plate, and 2 be bolt, and 3 be left support abutment, and 4 be cutting ferrule, and 5 be short key, and 6 be nut, and 7 are
Stud, 8 be outer pressing sleeve, and 9 be right support abutment, and 10 be rolling wheel, and 11 be spacer, and 12 be support sleeve, and 13 be short axle.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing：The present embodiment is with the utility model skill
Implemented under premised on art scheme, give detailed embodiment, but the scope of protection of the utility model be not limited to it is following
Embodiment.
As shown in Fig. 1 ~ Fig. 6, a kind of metal coiled material decoiling equipment involved by the present embodiment, including：Bottom plate 1, bolt 2,
It is left support abutment 3, cutting ferrule 4, short key 5, nut 6, stud 7, outer pressing sleeve 8, right support abutment 9, rolling wheel 10, spacer 11, support sleeve 12, short
Axis 13.
The inner ring of the rolling wheel 10 is installed with the interference fit of short axle 13, inner ring end face side and the short axle 13 of rolling wheel 10
The shaft shoulder be in contact, opposite side is in contact with spacer 11, spacer 11 and 13 clearance fit of short axle, the outer shroud of rolling wheel 10 can from
By rotating.One end of support sleeve 12 is square structure, and the other end is cylindrical structure, hollow formation through-hole, in support sleeve
On 12 cylindrical surface, four parts of straight slots and blind slot are provided with, and be uniformly distributed one week by helix rule, straight slot radially forms fan
Shape region, blind slot in axial direction form cylindrical region, and short axle 13, rolling wheel 10 and spacer 11 form component, with two cell wall shapes
It into clearance fit, can integrally move radially, 13 both ends of short axle are supported by blind slot bottom forms mobile extreme position.Outside
Pressing sleeve 8 is made of in an axial direction two valves, and the combination of two valves is on the cylindrical surface of support sleeve 12, the big journal axle in 12 both ends of support sleeve
Shoulder is contacted with outer 8 end face of pressing sleeve, and the inner surface of outer pressing sleeve 8 is along the circumferential direction made of three groups of gradual change arc sections, gradual change arc section
It is formed by the contact of a curve of two sections of different-diameters, the cylindrical outer surface of outer pressing sleeve 8 is opened by helix rule there are four avoiding hollow groove, together
When, on cylindrical surface, the same axis of upper edge is set there are two keyway, and the inner surface of cutting ferrule 4 is equipped with keyway through-hole, and short key 5 is mounted on keyway
Interior, two cutting ferrules 4 in left and right and the concentric installation of outer pressing sleeve 8, cutting ferrule 4 circumferentially weld three groups of installing plates with through-hole, pass through stud 7
It is fastenedly connected with nut 6.Left support abutment 3 and right support abutment 9 are separately mounted on support sleeve 12, and one end is square hole, and the other end is
Round hole, left support abutment 3 position side by the right angle on bottom plate 1 and are installed, and two bottom surface of support saddle are fastened by bolt 2 and bottom plate 1
Installation, there are positioning convex platform and mounting hole in 1 bottom of bottom plate, can be located by connecting with machine tool.
The course of work：
On lathe slide carriage, left support abutment 3 is installed close to spindle box side, utilizes the bottom surface of bottom plate 1 for present apparatus integral installation
Centering is carried out in installation process with side, ensures that lathe spindle axis is parallel with the side of bottom plate 1, ensures that left support abutment 3 is rectangular
The axis collinear of 9 cylindrical hole of the axis in hole, the axis of support sleeve 12 and right support abutment.Before steel pipe rolling, from left support abutment 3 along right branch
9 directions of seat rotate clockwise cutting ferrule 4 to a certain angle, and cutting ferrule 4, stud 7 and nut 6 are synchronized with the movement, and are driven by short key 5 outer
Pressing sleeve 8 rotates, at this point, the inner surface arc section of outer pressing sleeve 8 is opposite with the blind hole of support sleeve 12, forms gap, short axle 13, rolling
The component that pinch roller 10 and spacer 11 are formed can be moved along the cell wall of support sleeve 12, will not be by when steel pipe penetrates support sleeve 12
Resistance.The regularity of distribution of rolling wheel 12 determines the screw pitch and rotation direction of helicla flute, adjusts machine tool control system, is fed using leading screw
Function prepares from one lateral tailstock direction rolling and processing of lathe headstock.First, steel pipe is penetrated device and main shaft, by steel pipe
It is fixedly clamped on lathe；Then, from left support abutment 3 along 9 direction of right support abutment, cutting ferrule 4 is rotated counterclockwise to extreme position, cutting ferrule 4,
Stud 7 and nut 6 are synchronized with the movement, and outer pressing sleeve 8 are driven to rotate by short key 5, inner surface arc section and 13 phase of short axle of outer pressing sleeve 8
Cut-grafting is touched, and the component that short axle 13, rolling wheel 10 and spacer 11 are formed is moved along the cell wall of support sleeve 12 to axle center simultaneously, this
When, it is pressed into steel pipe simultaneously by the equally distributed rolling wheel 10 of rule；Finally, start lathe, main shaft drives steel pipe rotation, rolling
Device and machine slide synchronizing moving by transmission rule relationship, are rolled into the other end from one end of steel pipe, ultimately form steel pipe spiral shell
Spin slot.
The preferable specific embodiment of the above, only the utility model, these specific embodiments are all based on this
Different realization methods under utility model general idea, and the scope of protection of the utility model is not limited thereto, it is any ripe
It knows in the technical scope that those skilled in the art disclose in the utility model, the change or replacement that can be readily occurred in, all
It should cover and be within the protection scope of the utility model.Therefore, the scope of protection of the utility model should be with claims
Subject to protection domain.
Claims (1)
1. steel pipe spiral groove rolling device, including：Bottom plate, bolt, left support abutment, cutting ferrule, short key, nut, stud, outer pressing sleeve, the right side
Bearing, rolling wheel, spacer, support sleeve, short axle, which is characterized in that the inner ring of the rolling wheel is installed with short axle interference fit,
The end face side of rolling wheel inner ring is contacted with the shaft shoulder of short axle, and opposite side is contacted with spacer, spacer and short axle clearance fit, rolling
Wheel outer shroud can be freely rotated, and one end of support sleeve is square structure, and the other end is cylindrical structure, hollow formation through-hole,
On the cylindrical surface of support sleeve, four parts of straight slots and blind slot are provided with, and be uniformly distributed one week by helix rule, straight slot is radially square
To sector region is formed, blind slot in axial direction forms cylindrical region, and short axle, rolling wheel and spacer form component, with two cell walls
Clearance fit is formed, can integrally be moved radially, short axle both ends are supported by blind slot bottom forms mobile extreme position, outside
Pressing sleeve is made of in an axial direction two valves, two valves combination mounted on support sleeve cylindrical surface on, the support sleeve both ends major diameter shaft shoulder with
The contact of outer pressing sleeve end face, outer pressing sleeve inner surface are along the circumferential direction made of three groups of gradual change arc sections, gradual change arc section by two sections not
Contact of a curve with diameter forms, and the cylindrical outer surface of outer pressing sleeve is opened by helix rule there are four avoiding hollow groove, meanwhile, on cylindrical surface
The same axis of upper edge is set there are two keyway, and the inner surface of cutting ferrule is equipped with keyway through-hole, and short key is mounted in keyway, the card of left and right two
Set with outer pressing sleeve is concentric installs, cutting ferrule circumferentially welds three groups of installing plates with through-hole, is fastenedly connected by stud and nut, a left side
Bearing and right support abutment are separately mounted on support sleeve, and one end is square hole, and the other end is round hole, and two bottom surface of support saddle pass through spiral shell
Bolt is installed with bottom plate fastening, and bottom base plate has positioning convex platform and mounting hole, can be located by connecting with machine tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681670.XU CN207547347U (en) | 2017-12-08 | 2017-12-08 | Steel pipe spiral groove rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681670.XU CN207547347U (en) | 2017-12-08 | 2017-12-08 | Steel pipe spiral groove rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207547347U true CN207547347U (en) | 2018-06-29 |
Family
ID=62666095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721681670.XU Expired - Fee Related CN207547347U (en) | 2017-12-08 | 2017-12-08 | Steel pipe spiral groove rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207547347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570813A (en) * | 2020-12-01 | 2022-06-03 | 中国石油天然气股份有限公司 | Manufacturing method and manufacturing equipment of screw drill stator and screw drill stator |
-
2017
- 2017-12-08 CN CN201721681670.XU patent/CN207547347U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570813A (en) * | 2020-12-01 | 2022-06-03 | 中国石油天然气股份有限公司 | Manufacturing method and manufacturing equipment of screw drill stator and screw drill stator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 Termination date: 20181208 |