CN214244583U - Special fixture is handled to mandrel QPQ for cold-drawn steel pipe - Google Patents
Special fixture is handled to mandrel QPQ for cold-drawn steel pipe Download PDFInfo
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- CN214244583U CN214244583U CN202023324287.3U CN202023324287U CN214244583U CN 214244583 U CN214244583 U CN 214244583U CN 202023324287 U CN202023324287 U CN 202023324287U CN 214244583 U CN214244583 U CN 214244583U
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- Prior art keywords
- steel pipe
- cold
- plate
- regulating plate
- connecting rod
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 230000001105 regulatory effect Effects 0.000 claims abstract description 41
- 238000010622 cold drawing Methods 0.000 claims abstract description 6
- 210000001503 joint Anatomy 0.000 claims description 17
- 150000003839 salts Chemical class 0.000 abstract description 12
- 230000007423 decrease Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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Abstract
The utility model is suitable for a base station technical field provides a special fixture of mandrel QPQ for cold drawn steel pipe, including linking subassembly and supporting component, the linking subassembly includes roof, regulating part and regulating plate, the regulating plate is located the roof under, the one end fixed connection of regulating part is in the regulating plate to rotate in the roof, the supporting component includes connecting rod, bottom plate and bracing piece; the rotation of regulating part drives the regulating plate and slides on the bracing piece to descend between, utilize the decline of regulating plate to make the other end of connecting rod insert in the regulating plate, utilize regulating plate and bottom plate to carry on spacingly to the both ends of connecting rod this moment, make it can obtain stable placing, and can be smooth carry out subsequent salt bath, secondly, the connecting rod equidistance distributes between regulating plate and bottom plate, the phenomenon of mutual contact appears in the cold drawing for the mandrel for the steel pipe that can avoid the cluster above that, thereby the yield of the mandrel product for the cold drawing steel pipe has further been improved.
Description
Technical Field
The utility model belongs to the technical field of the basic station, especially, relate to a special fixture is handled to mandrel QPQ for cold drawn steel pipe.
Background
The core mold for the cold-drawn steel pipe is of a long pipe structure, and before the core mold for the cold-drawn steel pipe leaves a factory, the core mold for the cold-drawn steel pipe needs to be subjected to QPQ treatment so as to form a layer of composite seeping layer on the core mold for the cold-drawn steel pipe, so that the purposes of improving the surface hardness, the wear resistance and the corrosion resistance of the core mold for the cold-drawn steel pipe are achieved; the QPQ treatment mode of the core mould for the cold-drawn steel pipe in the prior art is as follows: and directly placing the cold-drawn steel pipe core mould into a treatment tower, fully contacting the cold-drawn steel pipe core mould with the salt bath, and heating to a certain extent to realize QPQ treatment on the cold-drawn steel pipe core mould.
When the salt bath is carried out, the core dies for the cold-drawn steel tubes are attached together, so that the surface of the core dies for the cold-drawn steel tubes is not contacted with the salt bath, the QPQ treatment effect is directly influenced, the quality of the produced core dies for the cold-drawn steel tubes is uneven after the QPQ treatment, and the yield of the core die products for the cold-drawn steel tubes is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a special fixture is handled to mandrel QPQ for cold drawn steel pipe aims at solving the cold drawn steel pipe and can hug closely together with the mandrel, and then the surface that leads to the mandrel for the cold drawn steel pipe has the place not to contact with the salt bath, and the effect that direct influence QPQ handled leads to the cold drawn steel pipe for mandrel QPQ of production to handle the back quality inhomogeneous, has reduced the yield problem of the mandrel product for the cold drawn steel pipe.
The utility model discloses a realize like this, a special fixture is handled to mandrel QPQ for cold drawn steel pipe, including linking up subassembly and supporting component, it includes roof, regulation portion and regulating plate to link up the subassembly, the regulating plate is located the roof under, the one end fixed connection of regulation portion is in the regulating plate to rotate in the roof, supporting component includes connecting rod, bottom plate and bracing piece, peg graft respectively in bottom plate and regulating plate at the both ends of connecting rod, the one end fixed connection of bracing piece is in the bottom plate, and the other end runs through regulating plate and fixed connection in roof, and regulating plate sliding connection is in the bracing piece.
Preferably, the connecting rods are multiple in number and are distributed between the top plate and the bottom plate at equal intervals.
Preferably, the bottom plate is internally provided with a jack, and the connecting rod is inserted into the bottom plate through the jack.
Preferably, the butt joint hole has been seted up to the inside of regulating plate, connecting rod and bracing piece all run through the butt joint hole the regulating plate, and the regulating plate passes through butt joint hole sliding connection in bracing piece.
Preferably, the adjusting part comprises a screw rod and an engaging rod, one end of the screw rod penetrates through and is rotatably connected to the top plate, the engaging rod is fixed on the upper surface of the adjusting plate, and the screw rod is in threaded connection with the engaging rod.
Preferably, the joint rod is arranged in a hollow mode, and one end of the screw rod penetrates through the joint rod.
Preferably, the diameter of the butt-joint hole is the same as that of the jack, and the butt-joint hole corresponds to the diameter of the jack.
Preferably, the butt joint holes and the jacks are respectively provided in a plurality and correspond to a plurality of connecting rods, and the connecting rods are located between the butt joint holes.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a special clamp for QPQ treatment of a core mould for cold-drawing a steel pipe, which is provided with an adjusting part, an adjusting plate and a connecting rod, during the use process, the cold-drawn steel tube can be penetrated on the connecting rod by the core mould, then one end of the connecting rod is inserted on the bottom plate, at the moment, a worker can rotate the adjusting part, the rotation of the adjusting part drives the adjusting plate to slide on the supporting rod, the other end of the connecting rod is inserted into the adjusting plate by the descending of the adjusting plate, the two ends of the connecting rod are limited by the adjusting plate and the bottom plate at the moment, so that the connecting rod can be stably placed and the subsequent salt bath can be smoothly carried out, and secondly, the connecting rods are equidistantly distributed between the adjusting plate and the bottom plate, so that the phenomenon that the cold-drawn steel pipe core molds strung on the connecting rods are contacted with each other can be avoided, and the yield of the cold-drawn steel pipe core mold products is further improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the adjusting plate of the present invention;
FIG. 3 is a schematic sectional view of the adjusting plate of the present invention;
in the figure: 1. an engagement assembly; 11. a top plate; 12. a screw; 13. a strut; 14. an adjusting plate; 15. a butt joint hole; 16. a connecting rod; 2. a support assembly; 21. a connecting rod; 22. a base plate; 23. a jack; 24. a support rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a special fixture is handled with mandrel QPQ to cold drawing steel pipe, including linking up subassembly 1 and supporting component 2, it includes roof 11 to link up subassembly 1, regulating part and regulating plate 14, regulating plate 14 is located roof 11 under, the one end fixed connection of regulating part is in regulating plate 14, and rotate in roof 11, supporting component 2 includes connecting rod 21, bottom plate 22 and bracing piece 24, peg graft respectively in bottom plate 22 and regulating plate 14 at connecting rod 21's both ends, the one end fixed connection of bracing piece 24 is in bottom plate 22, the other end runs through regulating plate 14 and fixed connection in roof 11, and regulating plate 14 sliding connection is in bracing piece 24.
In this embodiment, the fixed branch 13 that is provided with on roof 11, at the in-process that uses, whole fixture alright put into the salt bath through branch 13, utilize branch 13 to play the fixed effect of overlap joint to branch 13 is the telescopic link setting, can adapt to the use in the salt bath of equidimension not.
In the embodiment, in the using process, firstly, the cold-drawn steel tube to be treated by the salt bath is strung on the connecting rod 21 by using the core die, then one end of the connecting rod 21 can be inserted into the insertion hole 23 on the bottom plate 22, because the insertion hole 23 has a certain depth, when the connecting rod 21 is inserted into the insertion hole 23, the cold-drawn steel tube can be erected on the bottom plate 22, then the connecting rods 21 can be sequentially installed, after the installation is finished, a worker can rotate the screw 12 to enable the screw 12 to rotate on the top plate 11, because the bottom end of the screw 12 penetrates through the connecting rod 16 and is screwed on the connecting rod 16, further the rotation of the screw 12 can enable the connecting rod 16 to descend, and the connecting rod 16 is fixedly connected with the adjusting plate 14, the rotation of the screw 12 can drive the adjusting plate 14 to descend and slide on the supporting rod 24, and then the adjusting plate 14 descends continuously, the lowering of the adjusting plate 14 brings the internally provided abutment hole 15 gradually closer to the other end of the connecting rod 21, under the continuous descending action of the adjusting plate 14, the other end of the connecting rod 21 penetrates through the adjusting plate 14 through the butt joint hole 15, at the moment, the two ends of the connecting rod 21 are respectively positioned in the inserting hole 23 and the butt joint hole 15, the connecting rod 21 is limited and fixed by the bottom plate 22 and the adjusting plate 14, secondly, the descending and adjustability of the adjusting plate 14 can adapt to connecting rods 21 with different lengths for use, after the connecting rod 21 is limited and fixed, the whole fixture can be put into a salt bath, the salt bath treatment is performed on the core mold for a cold drawn steel tube on the connecting rod 21, and after the treatment is completed, the jig can be taken out, and at this time, adjustment plate 14 is again maneuvered to rise, whereupon the top of link 21 disengages adjustment plate 14, and link 21 is subsequently removed from base plate 22.
Further, the number of the connecting rods 21 is plural, and the connecting rods are equidistantly distributed between the top plate 11 and the bottom plate 22.
In the present embodiment, in the use process, the use of a plurality of cold-drawn steel pipe core molds is adapted, and the connecting rods 21 are distributed at equal intervals, so that the phenomenon that the cold-drawn steel pipe core molds contact with each other in the salt bath can be avoided, and the yield of the cold-drawn steel pipe core mold product can be further improved.
Furthermore, a jack 23 is arranged inside the bottom plate 22, and the connecting rod 21 is inserted into the bottom plate 22 through the jack 23; the interior of the adjusting plate 14 is opened with a butt hole 15, the connecting rod 21 and the supporting rod 24 both penetrate the adjusting plate 14 through the butt hole 15, and the adjusting plate 14 is slidably connected to the supporting rod 24 through the butt hole 15.
In the embodiment, in the using process, the two ends of the connecting rod 21 strung with the core mold for cold-drawing the steel tube are inserted into the bottom plate 22 and the adjusting plate 14 through the insertion holes 23 and the butt holes 15, and are limited and fixed between the adjusting plate 14 and the bottom plate 22, so that the phenomenon that the connecting rod 21 falls off in the using process is avoided.
Further, the adjusting part comprises a screw 12 and a joint rod 16, one end of the screw 12 penetrates through and is rotatably connected to the top plate 11, the joint rod 16 is fixed on the upper surface of the adjusting plate 14, and the screw 12 is screwed to the joint rod 16; the joint rod 16 is hollow, and one end of the screw 12 penetrates the joint rod 16.
In this embodiment, in the use process, the staff rotates screw 12 for screw 12 rotates on roof 11, because the bottom of screw 12 runs through joint pole 16 and the spiro union in joint pole 16, and then the rotation of screw 12 just can make joint pole 16 descend, and joint pole 16 fixed connection regulating plate 14, therefore the rotation of screw 12 just can drive regulating plate 14 and descend, and slide on bracing piece 24.
Further, the diameter of the docking hole 15 is the same as that of the insertion hole 23, and corresponds to the diameter of the insertion hole 23.
In the embodiment, in the using process, the diameters of the insertion hole 23 and the butt joint hole 15 are set, so that the insertion hole 23 and the butt joint hole 15 can be smoothly adapted to the use of the connecting rod 21, and the connecting rod 21 can be smoothly limited and fixed between the adjusting plate 14 and the bottom plate 22.
Further, the docking holes 15 and the insertion holes 23 are provided in plural and correspond to the plural links 21, and the joint rod 16 is located between the plural docking holes 15.
In the present embodiment, the use of the plurality of butting holes 15 and the insertion holes 23 is adapted to the use of the plurality of links 21, so that the plurality of links 21 can be smoothly installed between the adjustment plate 14 and the bottom plate 22 after the steel pipe core dies are strung together.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a special fixture is handled with mandrel QPQ to cold drawing steel pipe, includes linking up subassembly (1) and supporting component (2), its characterized in that: link up subassembly (1) including roof (11), regulating part and regulating plate (14), regulating plate (14) are located roof (11) under, the one end fixed connection of regulating part is in regulating plate (14) to rotate in roof (11), supporting component (2) are including connecting rod (21), bottom plate (22) and bracing piece (24), peg graft respectively in bottom plate (22) and regulating plate (14) at the both ends of connecting rod (21), the one end fixed connection of bracing piece (24) is in bottom plate (22), and the other end runs through regulating plate (14) and fixed connection in roof (11), and regulating plate (14) sliding connection is in bracing piece (24).
2. The special core mold QPQ treatment clamp for the cold-drawn steel pipe according to claim 1, characterized in that: the connecting rods (21) are multiple in number and are distributed between the top plate (11) and the bottom plate (22) at equal intervals.
3. The special core mold QPQ treatment clamp for the cold-drawn steel pipe according to claim 2, characterized in that: the inner part of the bottom plate (22) is provided with a jack (23), and the connecting rod (21) is inserted into the bottom plate (22) through the jack (23).
4. The special core mold QPQ treatment clamp for the cold-drawn steel pipe according to claim 3, characterized in that: butt joint hole (15) have been seted up to the inside of regulating plate (14), connecting rod (21) and bracing piece (24) all run through butt joint hole (15) regulating plate (14), and regulating plate (14) are through butt joint hole (15) sliding connection in bracing piece (24).
5. The special core mold QPQ treatment clamp for the cold-drawn steel pipe according to claim 4, characterized in that: the adjusting part comprises a screw rod (12) and a joint rod (16), one end of the screw rod (12) penetrates through and is rotatably connected to the top plate (11), the joint rod (16) is fixed to the upper surface of the adjusting plate (14), and the screw rod (12) is in threaded connection with the joint rod (16).
6. The special core mold QPQ treatment clamp for the cold-drawn steel pipe according to claim 5, characterized in that: the connecting rod (16) is arranged in a hollow mode, and one end of the screw rod (12) penetrates through the connecting rod (16).
7. The special core mold QPQ treatment clamp for the cold-drawn steel pipe according to claim 4, characterized in that: the diameter of the butt joint hole (15) is the same as that of the jack (23), and the butt joint hole corresponds to the diameter of the jack (23).
8. The special core mold QPQ treatment clamp for the cold-drawn steel pipe according to claim 5, characterized in that: the butt joint holes (15) and the jacks (23) are arranged in a plurality and correspond to a plurality of connecting rods (21), and the connecting rods (16) are located among the butt joint holes (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023324287.3U CN214244583U (en) | 2020-12-31 | 2020-12-31 | Special fixture is handled to mandrel QPQ for cold-drawn steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023324287.3U CN214244583U (en) | 2020-12-31 | 2020-12-31 | Special fixture is handled to mandrel QPQ for cold-drawn steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214244583U true CN214244583U (en) | 2021-09-21 |
Family
ID=77723169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023324287.3U Expired - Fee Related CN214244583U (en) | 2020-12-31 | 2020-12-31 | Special fixture is handled to mandrel QPQ for cold-drawn steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214244583U (en) |
-
2020
- 2020-12-31 CN CN202023324287.3U patent/CN214244583U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20210921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |