CN210280411U - Forming die of stainless steel structure spiral welded pipe - Google Patents
Forming die of stainless steel structure spiral welded pipe Download PDFInfo
- Publication number
- CN210280411U CN210280411U CN201921245785.3U CN201921245785U CN210280411U CN 210280411 U CN210280411 U CN 210280411U CN 201921245785 U CN201921245785 U CN 201921245785U CN 210280411 U CN210280411 U CN 210280411U
- Authority
- CN
- China
- Prior art keywords
- forming die
- sleeve
- stainless steel
- lining body
- inner lining
- Prior art date
- 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 - Fee Related
Links
- 239000010935 stainless steel Substances 0.000 title claims abstract description 18
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000005240 physical vapour deposition Methods 0.000 claims abstract description 6
- 239000002120 nanofilm Substances 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The scheme discloses a forming die for a spiral welded pipe with a stainless steel structure, which belongs to the technical field of forming dies and comprises an inner lining body, a sleeve and a locking mechanism, the outer side wall of the inner lining body is coated with the sleeve, the two ends of the inner lining body are provided with the locking mechanisms, the equal triangular connecting structure with stable structure is formed by matching the clamping pin hole and the clamping ring, the stability between the welding pipe forming die and the connecting shaft is improved, when in use, the pipe forming die does not generate relative displacement, simultaneously, key holes are arranged at the top and the bottom of the inner side wall of the mounting hole and are matched with connecting keys of the connecting shaft to increase the tightness between the pipe forming die and the connecting shaft, the outer side wall of the concave groove is coated with a mould surface film which is a layer of diamond-like nano film deposited on the surface of the concave groove by physical vapor deposition, the strength of the surface of the concave groove in the welded pipe forming die can be improved, and the service life of the welded pipe forming die is prolonged.
Description
Technical Field
The utility model relates to a welded tube production mould technical field specifically is forming die of stainless steel construction spiral welded tube.
Background
The spiral welded pipe is made up by rolling the steel band of low-carbon or low-alloy structural steel into pipe blank according to a certain spiral angle (called forming angle) and seam-welding the pipe blank. The specification is expressed by the outer diameter wall thickness, and the welded pipe is required to ensure that the tensile strength and the cold bending performance of a hydraulic test and a welding line meet the requirements.
The forming die of current spiral welded tube simple structure leads to forming die and connecting axle to be connected the steadiness lower, takes place the accident easily when using, and the security is not strong, and simultaneously, current spiral welded tube forming die's surface strength is lower, uses for a long time after, and the surface has wearing and tearing, and causes unable use, needs to change the mould, can cause a large amount of wastes of resource like this.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the conventional spiral welded pipe forming mold.
Therefore, the utility model aims at providing a forming die of stainless steel construction spiral welded pipe, can solve the forming die simple structure of current spiral welded pipe, the steadiness of being connected that leads to forming die and connecting axle is lower, relative displacement can take place when using, the easy emergence accident, the security is not strong, and simultaneously, current spiral welded pipe forming die's surface strength is lower, after long-term the use, the surface has wearing and tearing, and cause unable use, need change the mould, can cause the problem of a large amount of wastes of resource like this. For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
the forming die of the spiral welded pipe of the stainless steel structure comprises: the outer side wall of the inner lining body is coated with the sleeve, and the locking mechanisms are arranged at two ends of the inner lining body.
As a preferred scheme of forming die of stainless steel construction spiral welded pipe, wherein: the inner lining body is provided with a mounting hole on the inner side wall, and key holes are formed in the top and the bottom of the inner side wall of the mounting hole.
As a preferred scheme of forming die of stainless steel construction spiral welded pipe, wherein: the sleeve lateral wall integrated into one piece has the concave groove, the coating of concave groove lateral wall has the mould surface film.
As a preferred scheme of forming die of stainless steel construction spiral welded pipe, wherein: the surface film of the mould is a layer of diamond-like nano film deposited on the surface of the concave groove by physical vapor deposition.
As a preferred scheme of forming die of stainless steel construction spiral welded pipe, wherein: the locking mechanism further comprises clamping rings and clamping pin holes, the clamping rings are arranged on the outer side walls of the two end faces of the inner lining body, the clamping pin holes are arranged on the outer side walls of the two end faces of the sleeve, and the clamping pin holes are arranged in an equal triangular mode.
As a preferred scheme of forming die of stainless steel construction spiral welded pipe, wherein: the clamping ring is arranged between the inner lining body and the sleeve, the inner lining body is in threaded connection with the sleeve through a fastening screw, and the clamping ring is welded at the joint of the inner lining body and the sleeve.
Compared with the prior art: through card pinhole and rand cooperation formation stable in structure's triangle connection structure such as, increase the steadiness between welded tube forming die and the connecting axle, relative displacement can not take place when using, simultaneously, the keyhole has all been seted up with the bottom to the inboard wall top in the mounting hole, the keyhold increases the compactness of pipe forming die and connecting axle with the connection key cooperation of connecting axle, and the coating of concave groove lateral wall has mould surface film, mould surface film is the one deck diamond-like nanometer membrane of adopting physical vapor deposition deposit on concave groove surface, because diamond nanometer membrane hardness is high, cohesion is strong, wear-resisting antifriction and surface are bright and clean, can promote the intensity on concave groove surface in the welded tube forming die, increase welded tube forming die's life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the structure of part a of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a forming die of stainless steel construction spiral welded tube forms stable in structure's triangle connection structure such as through calorie pinhole and rand cooperation, increases the steadiness between welded tube forming die and the connecting axle, can not take place relative displacement when using, simultaneously, the keyhole has all been seted up with the bottom in the mounting hole inside wall top, and the keyhole cooperates with the connection key of connecting axle to increase the compactness of a tub forming die and connecting axle, please refer to figure 1, include interior welt 100, sleeve 200 and locking mechanism 300.
With reference to fig. 1 and fig. 2, the inner liner 100 has a connection hole 110, specifically, the inner liner 100 is a cylindrical installation liner made of stainless steel material, the inner liner 100 is used to connect the sleeve 200 and the locking mechanism 300, the inner sidewall of the inner liner 100 has a central installation hole 110, and the installation hole 110 is used to cooperate with the keyhole 330 to assist in fixing the whole device and the rotating shaft;
referring to fig. 1 and fig. 2, the sleeve 200 has a concave groove 210 and a mold surface film 220, the sleeve 200 is disposed on the outer surface of the inner liner 100, specifically, the sleeve 200 is sleeved on the outer side wall of the inner liner 100, the sleeve 200 is connected with the inner liner 100 through a fastening screw, the sleeve 200 is used for providing a pin hole 320, the concave groove 210 is integrally formed on the outer side wall of the sleeve 300, the concave groove 210 is used for extrusion molding of a spiral welded pipe, the mold surface film 220 is coated on the outer side wall of the concave groove 210, the mold surface film 220 is a diamond-like nano film deposited on the surface of the concave groove 210 by physical vapor deposition, the diamond-like nano film has high hardness, strong bonding force, wear resistance, friction reduction and smooth surface, the strength of the surface of the concave groove 210 in the welded pipe forming mold can be improved, and;
referring to fig. 1 and fig. 2, the locking mechanism 300 has a collar 310, a pin hole 320, and a key hole 330, the locking mechanism 300 is disposed on the inner liner 100, specifically, the collar 310 is welded at the joint of the inner liner 100 and the sleeve 200, the collar 310 is used to form a clamping piece with the pin hole 320 to increase the fixing property between the welding tube forming mold and the connecting shaft, the outer side walls of the two end surfaces of the sleeve 200 are provided with three pin holes 320, the three pin holes 320 are arranged in an equal triangle, the three pin holes 320 and the collar 310 cooperate to form an equal triangle connecting structure with a stable structure, so as to increase the stability between the welding tube forming mold and the connecting shaft, and when in use, no relative displacement occurs, and at the same time, the top and the bottom of the inner side wall of the mounting hole 110 are provided with the key hole 330, so as to increase.
The working principle is as follows: the utility model discloses a when using, form stable in structure's triangle connection structure such as through the cooperation of card pinhole 320 and rand 310, increase the steadiness between welded tube forming die and the connecting axle, relative displacement can not take place when using, and simultaneously, keyhole 330 has all been seted up with the bottom at mounting hole 110 inside wall top, keyhole 330 increases the compactness of a tub forming die and connecting axle with the connection key cooperation of connecting axle, and the coating of concave groove 210 lateral wall has mould surface film 220, mould surface film 220 is for adopting the one deck diamond-like carbon nanometer membrane of physical vapor deposition on concave groove 210 is surperficial, because diamond nanometer membrane hardness is high, the cohesion is strong, wear-resisting antifriction and surface are bright and clean, can promote the intensity on concave groove 210 surface among the welded tube forming die, increase welded tube forming die's life.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. Forming die of stainless steel construction spiral welded tube, its characterized in that includes: the outer side wall of the inner lining body (100) is coated with the sleeve (200), and the locking mechanisms (300) are arranged at two ends of the inner lining body (100).
2. The forming die of the spiral welded pipe with the stainless steel structure as claimed in claim 1, wherein the inner lining body (100) has a mounting hole (110) formed in an inner side wall thereof, and the top and the bottom of the inner side wall of the mounting hole (110) are both provided with a keyhole (330).
3. The forming die for the spiral welded stainless steel-structured pipe according to claim 1, wherein the outer side wall of the sleeve (200) is integrally formed with a concave groove (210), and the outer side wall of the concave groove (210) is coated with a die surface film (220).
4. The forming die of the spiral welded tube with the stainless steel structure as claimed in claim 3, wherein the die surface film (220) is a diamond-like nano film layer deposited on the surface of the concave groove (210) by physical vapor deposition.
5. The forming die of the spiral welded pipe with the stainless steel structure according to claim 1, wherein the locking mechanism (300) further comprises a clamping ring (310) and clamping pin holes (320), the clamping ring (310) is arranged on the outer side walls of the two end surfaces of the inner lining body (100), the three clamping pin holes (320) are arranged on the outer side walls of the two end surfaces of the sleeve (200), and the three clamping pin holes (320) are arranged in an equal triangular manner.
6. The forming die of the spiral welded pipe with the stainless steel structure as claimed in claim 5, wherein the collar (310) is disposed between the inner lining body (100) and the sleeve (200), the inner lining body (100) and the sleeve (200) are screwed together by fastening screws, and the collar (310) is welded at the joint of the inner lining body (100) and the sleeve (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921245785.3U CN210280411U (en) | 2019-08-02 | 2019-08-02 | Forming die of stainless steel structure spiral welded pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921245785.3U CN210280411U (en) | 2019-08-02 | 2019-08-02 | Forming die of stainless steel structure spiral welded pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210280411U true CN210280411U (en) | 2020-04-10 |
Family
ID=70061701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921245785.3U Expired - Fee Related CN210280411U (en) | 2019-08-02 | 2019-08-02 | Forming die of stainless steel structure spiral welded pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210280411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029358A (en) * | 2021-09-22 | 2022-02-11 | 北京航星机器制造有限公司 | Method for manufacturing titanium alloy thin-wall cylinder |
-
2019
- 2019-08-02 CN CN201921245785.3U patent/CN210280411U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114029358A (en) * | 2021-09-22 | 2022-02-11 | 北京航星机器制造有限公司 | Method for manufacturing titanium alloy thin-wall cylinder |
| CN114029358B (en) * | 2021-09-22 | 2024-04-05 | 北京航星机器制造有限公司 | Manufacturing method of titanium alloy thin-wall cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210280411U (en) | Forming die of stainless steel structure spiral welded pipe | |
| CN202715646U (en) | Special-shaped cavity hard alloy cold extrusion mold | |
| CN213235775U (en) | Self-lubricating wear-resistant miniature shaft | |
| CN200975412Y (en) | Self-lubricating spherical surface sliding bearing | |
| CN109944554B (en) | Combined drill rod | |
| CN100506410C (en) | High hardness fracture-proof type roll able to quickly change its surface | |
| CN208778582U (en) | Novel sleeve | |
| CN211175016U (en) | Component combining carbon fiber composite material and metal lining | |
| CN202579656U (en) | Improved shaft sleeve | |
| CN208169716U (en) | A kind of ductile iron pipe with composite anti-corrosive coating | |
| CN203131264U (en) | Deflection-free high-bearing-capacity rotary compensator | |
| CN207406634U (en) | A kind of new whole spherical plain bearing rod end | |
| CN217628624U (en) | High-hardness hard alloy round rod with gradient structure | |
| CN210196266U (en) | Open type graphite copper sleeve linear bearing | |
| CN220600189U (en) | Self-tapping self-drilling screw with small drill tail and connecting structure | |
| CN211888996U (en) | Alloy forming core rod for powder metallurgy | |
| GB2333811A (en) | Fluid lubricated bearing | |
| CN207989684U (en) | A kind of high-precision transfer case connection internal gear | |
| CN210218987U (en) | Automobile brake oil pipe with electroplating coating | |
| CN218440191U (en) | Gapless connecting structure | |
| CN218267800U (en) | Fast-assembling type flange | |
| CN214617463U (en) | High-strength and impact-toughness steel forging | |
| CN213392059U (en) | High-pressure heavy-load tail pipe hanger and internal connection structure thereof | |
| CN210830826U (en) | Composite reducer pipe | |
| CN213234653U (en) | Anti-abrasion hinge structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 |