CN201565529U - Cold-drawing steel pipe straightener guide tube protective sleeve - Google Patents
Cold-drawing steel pipe straightener guide tube protective sleeve Download PDFInfo
- Publication number
- CN201565529U CN201565529U CN2009202145372U CN200920214537U CN201565529U CN 201565529 U CN201565529 U CN 201565529U CN 2009202145372 U CN2009202145372 U CN 2009202145372U CN 200920214537 U CN200920214537 U CN 200920214537U CN 201565529 U CN201565529 U CN 201565529U
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- CN
- China
- Prior art keywords
- protective sleeve
- guide
- protection cover
- guide tube
- end static
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model relates to a cold-drawing steel pipe straightener guide tube protective sleeve, which is arranged in a cold-drawing steel pipe straightener guide tube to protect the guide tube and steel pipes in the guide tube. The protective sleeve comprises a static protective sleeve, the static protective sleeve comprises a front-end static protective sleeve and a tail-end static protective sleeve, wherein the front-end static protective sleeve is fixedly connected with the inner wall of the guide tube via a countersunk head bolt, the tail-end static protective sleeve is fixedly connected with a flange at the tail end of the guide tube via bolts, the front-end static protective sleeve and the tail-end static protective sleeve are both in the shape of an annular sleeve, and outer diameters of the front-end static protective sleeve and the tail-end static protective sleeve are both slightly smaller than the size of an inner cavity of the guide tube. The cold-drawing steel pipe straightener guide tube protective sleeve has the advantages that the protective sleeve made of ultrahigh molecular weight polyethylene materials and installed on the inner wall of the steel pipe straightener guide tube protects the seamless body of the guide tube, the front-end static protective sleeve and the tail-end static protective sleeve are convenient for mounting, dismounting and replacing, a dynamic protective sleeve installed on the middle section of the guide tube can uniformize abrasion and prolong service life of the protective sleeve, and the protective sleeve is convenient to be maintained and reduces noise during operation.
Description
Technical field
The utility model relates to the cold drawing steel tube straightener, particularly a kind of protective sleeve of cold drawing steel tube straightener guide.
Background technology
Cold drawing steel tube straightener guide is the servicing unit that the cold working method is produced the tubing equipment.Cold drawing steel tube is the product that hot rolling tubing is carried out deep processing.The characteristics of drawn tube production are that the pipe material is processed into finished product a plurality of preparatory process of needs and distortion usually from putting into, and have characteristics of reciprocation cycle, and the finished product finishing procedure that arrives needs operation is aligned in the distortion of cold-drawn processing steel pipe, makes product reach the requirement of regulations such as glacing flatness, surface smoothness.
Steel tube straightening machine contacts with processed tubing surface the alignment roller by some, it is implemented to surround rotation push and realize correcting.For making steel pipe feed straightener smoothly, before first pair of alignment roller, guide is installed, the internal diameter of guide is slightly larger than the diameter of being rectified steel pipe, is rectified the steel pipe shift length to limit.When steel pipe was rectified in straightener feeding, some rotations to the alignment roller were exerted pressure to make and are rotated by strong steel pipe thereupon and progressively vertically advance, and the rear portion of being rectified steel pipe is caused the rotation whipping and caused bump and rub with the inwall of guide because of crooked, and its result causes:
1, damaged the surface smoothness of drawn tube.
2, the quick wearing and tearing of guide inwall.
3, bump and frictional noise severe overweight.
This kind situation causes work under bad environment because long-term existence, and the high-decibel noise causes workman's ears becoming deaf in various degree, has had a strong impact on the security civilization production of enterprise.
The utility model content
In order to solve above-mentioned existing in prior technology problem; the purpose of this utility model provides a kind of cold drawing steel tube straightener guide protective sleeve, can effectively overcome the wearing and tearing of guide and obviously reduce noise, reaches any surface finish of protection drawn tube; prolong guide service life, reduce the purpose of noise.
Technical solution of the present utility model is as follows:
A kind of cold drawing steel tube straightener guide protective sleeve is arranged in the cold drawing steel tube straightener guide with the steel pipe in protection guide and the guide, and described protective sleeve comprises the static protection cover, and the static protection cover comprises that the front end static protection overlaps and tail end static protection cover;
Described front end static protection cover is fixedlyed connected with the guide lumen wall by dormant bolt;
Described tail end static protection cover is fixedlyed connected with the flange of guide tail end by bolt;
The shape of described front end static protection cover and tail end static protection cover is ring-shaped sleeve, and its outside dimension is slightly less than the guide inner cavity size.
The material of described protective sleeve is a superhigh molecular weight polyethylene material.
The mean molecule quantity of the superhigh molecular weight polyethylene material of described protective sleeve material reaches 4,500,000.
Described protective sleeve also comprises several dynamic protection covers, and several dynamic protection covers are arranged at the guide stage casing at interval, and the internal diameter size of dynamic protection cover is consistent with the static protection cover, and the outside dimension of dynamic protection cover is slightly less than the guide inner cavity size.
Between described dynamic protection cover and the guide for being slidingly matched.
Contact for face between described dynamic protection cover and the guide.
The utility model makes it compared with prior art owing to adopted above technical scheme, has following advantage:
1, the protective sleeve of superhigh molecular weight polyethylene material is installed at steel tube straightening machine guide inwall, is directly born by protective sleeve and rectified bump and the wearing and tearing that produce when steel pipe is worked, guide seamless pipe body is protected.
2, the front end at guide contacts less position installation static protection cover with the aligning steel pipe, and the static protection cover that is positioned at tail end can carry out dismounting easily, safeguards and change.
3, in the stage casing of guide the dynamic protection cover is installed; directly clashed into the extrusion friction power that produces when contact and also driven protective sleeve and self rotate at random when rectifying tube bending part and protective sleeve inwall; reduced the fixed point friction; by being rectified the point of steel pipe and dynamic protection cover inwall or the planar friction that the linear friction develops into protective sleeve outer wall and guide inwall; make the abrasion of dynamic protection cover evenly, prolong the service life of protective sleeve.
4, guide protective sleeve of the present utility model is easy to maintenance, because protective sleeve belongs to attrition component, can be according to abrasion condition, and removal tail end static protection cover withdraws from the dynamic protection lasso one by one easily, adjusts or changes.
5, reduce the protection of noise and outer wall of steel pipe; because the protective sleeve material adopts the ultra-high molecular weight polyethylene plastic tube to make; have good acoustic impedance performance and significantly absorb impact energy; reduced noise; detect through the scene by original 125 decibels and reduce to below 80 decibels; meet the environmental requirement of work-yard, and contacted with the protective sleeve plastic liner by strong steel pipe, the steel pipe presentation quality obviously improves after aligning.
Description of drawings
Fig. 1 is the length direction profile of a kind of cold drawing steel tube straightener guide protective sleeve of the present utility model.
Fig. 2 is the cross sectional view of Fig. 1 guide protective sleeve.
Number in the figure:
1 is front end static protection cover, and 2 is inspection hatch, and 3 is the dynamic protection cover, and 4 is guide, and 5 is tail end static protection cover.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
Referring to Fig. 1 and Fig. 2, a kind of cold drawing steel tube straightener guide protective sleeve of the present utility model is arranged in the cold drawing steel tube straightener guide 4, is used to protect the steel pipe in guide 4 and the guide 4.
The guide protective sleeve comprises the static protection cover.The static protection cover is made up of front end static protection cover 1 and tail end static protection cover 5.Front end static protection cover 1 is fixedlyed connected with guide 4 lumen walls by dormant bolt.Tail end static protection cover 5 is fixedlyed connected with the flange of guide 4 tail ends by bolt.The shape of front end static protection cover 1 and tail end static protection cover 5 is ring-shaped sleeve, and its outside dimension is slightly less than guide 4 inner cavity sizes.
The material of protective sleeve is a superhigh molecular weight polyethylene material, and its mean molecule quantity reaches 4,500,000.
The guide protective sleeve also comprises some dynamic protection covers 3, and several dynamic protection covers 3 are arranged at intervals at guide 4 stage casings.The internal diameter size of dynamic protection cover 3 is consistent with the static protection cover, and the outside dimension of dynamic protection cover 3 is slightly less than guide 4 inner cavity sizes.Between dynamic protection cover 3 and the guide 4 for being slidingly matched.Contact for face between dynamic protection cover 3 and the guide 4.
In the present embodiment; the static protection cover is set according to the structure of guide; guide 4 adopts thick-walled seamless steel pipes to make usually, and the position that the front end of guide 4 promptly is connected with straightener is provided with openable inspection hatch 2, and this section is relative less with wearing and tearing with the bump of being rectified steel pipe when running.Front end static protection cover 1 is fixed with dormant bolt with protective sleeve respectively with guide 4 lumen walls and inspection hatch 2 inwalls.The tail end of guide 4 is also established a segment protect snare, is connected and fixed with end flanges behind bolt and the seamless pipe, and tail end static protection cover 5 mainly limits moving axially of stage casing dynamic protections cover 3.
Dynamic protection cover 3 is made up of several protection lassos, and it is 1 consistent that its internal diameter size and static protection overlap, and its outside dimension is slightly less than the seamless pipe inner cavity size, is the state of being slidingly matched.After one group of dynamic protection cover 3 is installed, still keep certain clearance with protective sleeve two ends, front and back each other, be convenient to protect the phase mutual friction between the lasso axial end.
Consider the particularity of steel tube straightening machine guide working condition, protective sleeve selects for use mean molecule quantity to reach 4,500,000 ultra-high molecular weight polyethylene plastics pushing moulding pipe.That ultra-high molecular weight polyethylene (UHMWPE) has is shock-resistant, wear-resistant, resistance to chemical attack, extremely low coefficient of friction, absorb superior function such as impact energy, especially wearability is stainless 7 times according to detecting, and therefore above-mentioned in actual use characteristic all has a better effect.
In summary, the advantage that the utility model had is: the protective sleeve at steel tube straightening machine guide inwall installation superhigh molecular weight polyethylene material is protected guide seamless pipe body; At the guide front end static protection cover is installed, the static protection cover that is positioned at tail end is convenient to dismounting, safeguards and is changed; In the guide stage casing dynamic protection cover is installed, is made abrasion evenly, prolong the service life of protective sleeve; Protective sleeve is easy to maintenance, can adjust or change according to abrasion condition; Reduced noise in the work.
According to being rectified the characteristics of motion of steel pipe in guide; cold drawing steel tube straightener guide protective sleeve of the present utility model has designed the form of static protection cover and the combination of dynamic protection cover; and select for use suitable nonmetallic materials to make; solve the wearing and tearing of guide effectively and obviously reduced noise; reach good result of use, be subjected to a line post workman welcome deeply.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the utility model, and be not with opposing qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claim conversion, the modification of the foregoing description.
Claims (6)
1. cold drawing steel tube straightener guide protective sleeve, it is characterized in that, be arranged in the cold drawing steel tube straightener guide with the steel pipe in protection guide and the guide, described protective sleeve comprises the static protection cover, and the static protection cover comprises that the front end static protection overlaps and tail end static protection cover;
Described front end static protection cover is fixedlyed connected with the guide lumen wall by dormant bolt;
Described tail end static protection cover is fixedlyed connected with the flange of guide tail end by bolt;
The shape of described front end static protection cover and tail end static protection cover is ring-shaped sleeve, and its outside dimension is slightly less than the guide inner cavity size.
2. cold drawing steel tube straightener guide protective sleeve according to claim 1 is characterized in that the material of described protective sleeve is a superhigh molecular weight polyethylene material.
3. cold drawing steel tube straightener guide protective sleeve according to claim 2 is characterized in that the mean molecule quantity of the superhigh molecular weight polyethylene material of described protective sleeve material reaches 4,500,000.
4. according to any described cold drawing steel tube straightener guide protective sleeve in the claim 1 to 3; it is characterized in that; described protective sleeve also comprises several dynamic protection covers; several dynamic protection covers are arranged at the guide stage casing at interval; the internal diameter size of dynamic protection cover is consistent with the static protection cover, and the outside dimension of dynamic protection cover is slightly less than the guide inner cavity size.
5. cold drawing steel tube straightener guide protective sleeve according to claim 4 is characterized in that, between described dynamic protection cover and the guide for being slidingly matched.
6. cold drawing steel tube straightener guide protective sleeve according to claim 4 is characterized in that, contacts for face between described dynamic protection cover and the guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202145372U CN201565529U (en) | 2009-11-30 | 2009-11-30 | Cold-drawing steel pipe straightener guide tube protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202145372U CN201565529U (en) | 2009-11-30 | 2009-11-30 | Cold-drawing steel pipe straightener guide tube protective sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201565529U true CN201565529U (en) | 2010-09-01 |
Family
ID=42657811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202145372U Expired - Lifetime CN201565529U (en) | 2009-11-30 | 2009-11-30 | Cold-drawing steel pipe straightener guide tube protective sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201565529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102078901B (en) * | 2009-11-26 | 2012-08-15 | 上海超高工程塑料有限公司 | Protective casing for guide cylinder of cold-drawing steel tube straightener and manufacturing method thereof |
-
2009
- 2009-11-30 CN CN2009202145372U patent/CN201565529U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102078901B (en) * | 2009-11-26 | 2012-08-15 | 上海超高工程塑料有限公司 | Protective casing for guide cylinder of cold-drawing steel tube straightener and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |