CN217570707U - Pier head mould to hydrocarbon injection pipeline joint design - Google Patents
Pier head mould to hydrocarbon injection pipeline joint design Download PDFInfo
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- CN217570707U CN217570707U CN202221086040.9U CN202221086040U CN217570707U CN 217570707 U CN217570707 U CN 217570707U CN 202221086040 U CN202221086040 U CN 202221086040U CN 217570707 U CN217570707 U CN 217570707U
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Abstract
The utility model relates to a pier head mould for a hydrocarbon injection pipeline joint structure, which comprises a static mould component and a punching mould component, wherein the static mould component comprises a static mould shell which is approximately cuboid, a mould core channel is arranged between the left end and the right end of the static mould shell, a static mould core is fixed in the mould core channel, and a tubular inner cavity which is coaxial with the static mould core is arranged in the static mould core; the punching die component comprises a punching die shell coaxial with the static die core and a punching needle arranged in the punching die shell, and the punching needle sequentially comprises a needle head part, a needle rod part and a needle tail part from left to right. In the utility model, the conical joint of the joint structure can be formed at one time by utilizing the pier head mould, thereby reducing the production process and the cost; the cold heading technology is adopted to replace the original welding technology, so that the fracture and the failure caused by welding are avoided; the static die assembly adopts the design of an upper unit and a lower unit, so that the loading and unloading of blanks and the replacement of a die in the case of failure are facilitated.
Description
Technical Field
The utility model relates to an oil circuit connecting piece processing technology field especially relates to a pier nose mould to joint design of hydrocarbon injection pipeline.
Background
The oil pipe joint is a connecting element frequently used in an oil circuit of mechanical equipment, and joints produced by various manufacturers have various forms and have the modes of single-layer and double-layer bell mouths, step type, spherical joints, flanges and the like. The existing automobile oil pipe joint generally comprises two parts, wherein one part is a joint body, the other part is a steel pipe, the steel pipe and the joint body are designed in a split mode, and then the joint body is fixedly connected with the steel pipe through a welding technology. However, because welding is carried out at high temperature, the hardness of a joint after welding is possibly influenced, secondly, welding spots are difficult to be uniform, and joints are easy to break, so that liquid leakage is caused, and safety accidents are caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that prior art exists, the utility model provides a cold-heading mould to joint design of hydrocarbon injection pipeline.
The utility model provides a technical scheme that its technical problem adopted is:
a pier head die for a hydrocarbon injection pipeline joint structure comprises a pipe body and a conical joint, wherein the conical joint sequentially comprises a positioning column body, a first sealing cone with the outer diameter gradually increasing from left to right and a second sealing cone with the outer diameter gradually decreasing from left to right from left;
pier nose mould is including quiet mould subassembly and die assembly, wherein:
the static die assembly comprises a static die shell which is approximately cuboid, a die core channel is arranged in the middle of the left end and the right end of the static die shell, a static die core is fixed in the die core channel, and a tubular inner cavity which is coaxial with the static die core is arranged in the static die core;
the punching die component comprises a punching die shell coaxial with the static die core and a punching needle arranged in the punching die shell, and the punching needle sequentially comprises a needle head part, a needle rod part and a needle tail part from left to right.
Furthermore, an annular bulge is arranged in the middle of the cambered surface on the outer side of the static die core, and an annular groove corresponding to the annular bulge is arranged on a die core channel of the static die shell.
Furthermore, a dovetail groove is formed in the middle and in the longitudinal direction of the upper bottom surface and the lower bottom surface of the static die shell, and the cross section of the dovetail groove is approximately in an isosceles trapezoid shape.
Further, first screw hole has been seted up to the forked tail tank bottom surface, be provided with on the cyclic annular arch of quiet mould mold core with the first blind hole that first screw hole corresponds to pass through the bolt fastening quiet mould mold core.
Furthermore, the static mould shell consists of an upper mould shell and a lower mould shell which are the same; the static mold core consists of an upper mold core and a lower mold core which are the same; the annular bulge consists of an upper bulge and a lower bulge which are the same; the upper core and the upper protrusion are integrally formed, and likewise, the lower core and the lower protrusion are integrally formed.
Further, the right end of the die mould shell extends outwards along the radial direction to form a die convex part.
Furthermore, the needle head part of the punch needle is a cylinder with the left end approximately presenting a spherical surface, the outer diameter of the needle head part is matched with the inner diameter of the tube body of the joint structure to be formed, the needle rod part and the needle tail part are both cylinders, and the outer diameter of the needle tail part is larger than the outer diameter of the needle rod part.
Furthermore, a punch needle channel for fixing the punch needle is formed in the die shell of the punching die, and the punch needle channel comprises a needle rod cavity and a needle tail cavity which are respectively matched with a needle rod part and a needle tail part of the punch needle.
Furthermore, the inner diameter of the left end of the needle punching channel of the die stamping die shell is gradually reduced from left to right to form a tapered port, so that a first die cavity with a gradually reduced inner diameter and a second die cavity with a constant inner diameter are sequentially formed in the needle rod cavity from left to right, and the inner diameter of the second die cavity is the same as that of the needle rod cavity; the inner diameter of the right end of the tubular inner cavity of the static mold core is gradually enlarged from left to right to form a bell mouth, so that a gradually enlarged third cavity is formed at the right end of the tubular inner cavity.
Compared with the prior art, the beneficial effect of adopting the above technical scheme is:
(1) The conical joint of the joint structure can be formed at one time through the pier head die, so that the production process and cost are reduced;
(2) The cold heading technology is adopted to replace the original welding technology, so that the fracture and the failure caused by welding are avoided;
(3) The static die assembly adopts the design of an upper unit and a lower unit, so that the loading and unloading of blanks and the replacement of a die in the case of failure are facilitated.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to represent similar parts in the several views.
Fig. 1 is a schematic structural diagram of a joint structure of a hydrocarbon injection pipeline according to the present invention.
Fig. 2 is the utility model discloses a structural schematic diagram to pier nose mould of hydrocarbon injection pipeline joint design.
Fig. 3 is an explosion diagram of the present invention.
Fig. 4 is a cross-sectional view of the present invention using the novel stationary mold core 32 and die assembly 4.
Fig. 5 is an enlarged view of fig. 4 at a.
Fig. 6 is a schematic view of the joint structure of the hydrocarbon injection pipeline formed under the action of the mold of the present invention.
In the figure:
1-a pipe body, 2-a conical joint, 3-a static die assembly and 4-a punching die assembly;
21-positioning column, 22-first sealing cone, 23-second sealing cone;
31-a static mould shell, 32-a static mould core, 33-a mould core channel, 34-a tubular inner cavity and 35-a dovetail groove; 3101-upper formwork, 3102-lower formwork; 3201-an upper mold core and 3202-a lower mold core; 321-annular protrusion, 322-first blind hole; 3211-upper projection, 3212-lower projection; 331-an annular groove; 341-third cavity; 351-a first threaded hole;
41-die mould shell, 42-punch needle and 43-punch needle channel; 411-die bulge; 421-needle head part, 422-needle rod part, 423-needle tail part; 431-needle shaft cavity, 432-needle tail cavity; 4311-first cavity, 4312-second cavity.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings by specific embodiments. It should be understood that the following examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.
The utility model discloses a pier nose mould is a hydrocarbon injection pipeline joint design for a new development, as shown in fig. 1, the joint design is including body 1 and conical joint 2, conical joint 2 is including location cylinder 21 from a left side to the right side in proper order, and the external diameter is from a left side to the right side first sealed awl 22 that progressively increases to and the external diameter is from a left side to the right side second sealed awl 23 that progressively reduces.
As shown in fig. 2, the utility model discloses a pier head mould to hydrocarbon injection pipeline joint structure, including quiet mould subassembly 3 and die assembly 4, wherein:
the static die component 3 comprises a static die shell 31 which is approximately rectangular, a die core channel 33 is arranged in the center of the left end and the right end of the static die shell 31, a static die core 32 is fixed in the die core channel 33, a tubular inner cavity 34 which is coaxial with the static die core 32 is arranged in the static die core 32, and a tubular blank is fixed in the tubular inner cavity 34 to carry out finish machining on the tubular blank;
referring to fig. 2 and 3, the die assembly 4 includes a die mold shell 41 coaxial with the stationary mold core 32 and a punch pin 42 disposed in the die mold shell 41, and the punch pin 42 includes a pin head portion 421, a pin rod portion 422, and a pin tail portion 423 from left to right.
Further, an annular protrusion 321 is centrally disposed on an outer arc surface of the stationary die core 32, an annular groove 331 corresponding to the annular protrusion 321 is disposed on the die core channel 33 of the stationary die casing 31, and the stationary die core 32 can be kept stationary relative to the stationary die casing 31 by the cooperation of the annular protrusion 321 and the annular groove 331, so as to prevent the stationary die core 32 from moving axially during the stamping and cold heading process.
Further, the upper and lower bottom surfaces of the static mold shell 31 are provided with a dovetail groove 35 in the center and in the longitudinal direction, and the cross section of the dovetail groove 35 is substantially in the shape of an isosceles trapezoid, so as to cooperate with a dovetail fixture on a cold header to clamp and fix the static mold shell 31.
Preferably, a first threaded hole 351 is formed in a bottom surface of the dovetail groove 35, and a first blind hole 322 corresponding to the first threaded hole 351 is formed in the annular protrusion 321 of the stationary mold core 32, so that the stationary mold core 32 is fixed by a bolt.
Further, the stationary mold shell 31 is composed of an upper mold shell 3101 and a lower mold shell 3102 which are the same; the stationary mold core 32 is composed of an upper mold core 3201 and a lower mold core 3202 which are the same; the annular projection 321 is composed of an upper projection 3211 and a lower projection 3212 which are the same; the upper mold core 3201 and the upper protrusion 3211 are integrally formed, and similarly, the lower mold core 3202 and the lower protrusion 3212 are integrally formed, so that the mold is divided into an upper unit and a lower unit, thereby facilitating the loading and unloading of the blank and the replacement of the mold in case of failure.
Further, as shown in fig. 4, a die projection 411 is formed at the right end of the die housing 41 to extend radially and outwardly so that a holder of the cold header can hold the die assembly 4.
Further, the needle head 421 of the punch needle 42 is a cylinder with a spherical left end, the outer diameter of the needle head 421 matches with the inner diameter of the tube body 1 (fig. 1) of the joint structure to be formed, so that the needle head 421 is embedded into the tube body 1, the needle rod part 422 and the needle tail 423 are both cylinders, and the outer diameter of the needle tail 423 is larger than the outer diameter of the needle rod part 422, so that the punch needle 42 is limited.
Further, a punch needle channel 43 for fixing the punch needle 42 is formed inside the die casing 41, and the punch needle channel 43 includes a needle rod cavity 431 and a needle tail cavity 432 respectively matching with the needle rod part 422 and the needle tail part 423 of the punch needle 42.
Preferably, as shown in fig. 5, the inner diameter of the left end of the punch needle channel 43 of the punch die shell 41 gradually decreases from left to right to form a tapered mouth, so that the needle bar cavity 431 sequentially forms a first cavity 4311 with a gradually decreasing inner diameter and a second cavity 4312 with a constant inner diameter from left to right, and the inner diameter of the second cavity 4312 is the same as the inner diameter of the needle bar cavity 431; the inner diameter of the right end of the tubular inner cavity 34 of the static mold core 32 gradually expands from left to right to form a bell mouth, so that a gradually expanding third cavity 341 is formed at the right end of the tubular inner cavity 34.
As shown in fig. 6, when the cold heading machine is in operation, the stationary die assembly 3 is fixed, the die assembly 4 is driven by the cold heading device to move, so that the punch pin 42 moves leftwards, the needle head 421 of the punch pin 42 is embedded into the tube body 1 to ensure that the inner diameter of the punch pin is kept unchanged during cold heading, and the right end of the tube body 1 forms the positioning cylinder 21, the first sealing cone 22 and the second sealing cone 23 corresponding to the second cavity 4312, the first cavity 4311 and the third cavity 341 under the impact of the punch rod 422, so as to form the tapered joint 2, if the taper angles of the various parts of the tapered joint 2 need to be changed, only the taper angles of the corresponding cavities need to be changed.
It is to be understood that the term "cone angle" as used in the present application refers to the angle between two generatrices of the axial section of the cone (section through the axis of the cone).
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A pier head die for a hydrocarbon injection pipeline joint structure comprises a pipe body (1) and a conical joint (2), wherein the conical joint (2) sequentially comprises a positioning column body (21), a first sealing cone (22) with the outer diameter gradually increasing from left to right and a second sealing cone (23) with the outer diameter gradually decreasing from left to right from left;
its characterized in that, pier nose mould is including quiet mould subassembly (3) and die assembly (4), wherein:
the static die assembly (3) comprises a static die shell (31) which is approximately cuboid, a die core channel (33) is arranged in the center of the left end and the right end of the static die shell (31), a static die core (32) is fixed in the die core channel (33), and a tubular inner cavity (34) which is coaxial with the static die core (32) is arranged in the static die core (32);
the punching die component (4) comprises a punching die mould shell (41) coaxial with the static die mould core (32) and a punching needle (42) arranged in the punching die mould shell (41), wherein the punching needle (42) sequentially comprises a needle head part (421), a needle rod part (422) and a needle tail part (423) from left to right.
2. The pier head die for the structure of a hydrocarbon injection pipeline joint according to claim 1, wherein an annular protrusion (321) is centrally arranged on the arc surface of the outer side of the static die core (32), and an annular groove (331) corresponding to the annular protrusion (321) is arranged on the die core channel (33) of the static die shell (31).
3. The pier head die for the hydrocarbon injection pipeline joint structure according to claim 2, wherein the upper bottom surface and the lower bottom surface of the static die shell (31) are centered and longitudinally provided with a dovetail groove (35), and the cross section of the dovetail groove (35) is approximately in the shape of an isosceles trapezoid.
4. The pier head die for the hydrocarbon injection pipeline joint structure according to claim 3, wherein a first threaded hole (351) is formed in the bottom surface of the dovetail groove (35), and a first blind hole (322) corresponding to the first threaded hole (351) is formed in the annular protrusion (321) of the static die core (32), so that the static die core (32) is fixed through a bolt.
5. The pier head die for a hydrocarbon injection pipeline joint structure according to claim 2, wherein the static die shell (31) is composed of an upper die shell (3101) and a lower die shell (3102) which are the same; the static mold core (32) consists of an upper mold core (3201) and a lower mold core (3202) which are the same; the annular bulge (321) consists of an upper bulge (3211) and a lower bulge (3212) which are the same; the upper mold core (3201) and the upper protrusion (3211) are integrally formed, and similarly, the lower mold core (3202) and the lower protrusion (3212) are integrally formed.
6. The pier head die for a hydrocarbon injection pipeline joint structure according to claim 1, wherein the right end of the die mold shell (41) extends radially and outwards to form a die bulge (411).
7. The pier head die for the joint structure of the hydrocarbon injection pipeline as claimed in claim 1, wherein the needle head part (421) of the punch needle (42) is a cylinder with a substantially spherical left end, the outer diameter of the needle head part (421) matches the inner diameter of the pipe body (1) of the joint structure to be formed, the needle rod part (422) and the needle tail part (423) are both cylinders, and the outer diameter of the needle tail part (423) is larger than the outer diameter of the needle rod part (422).
8. The pier die for the hydrocarbon injection pipeline joint structure according to claim 7, wherein a punch needle channel (43) for fixing the punch needle (42) is formed inside the punch die shell (41), and the punch needle channel (43) comprises a needle rod cavity (431) and a needle tail cavity (432) which are respectively matched with the needle rod part (422) and the needle tail part (423) of the punch needle (42).
9. The pier head die for the joint structure of the hydrocarbon injection pipeline as recited in claim 8, wherein the inner diameter of the left end of the punch needle channel (43) of the punch die shell (41) is gradually reduced from left to right to form a tapered mouth, so that the needle bar cavity (431) sequentially forms a first cavity (4311) with a gradually reduced inner diameter and a second cavity (4312) with a constant inner diameter from left to right, and the inner diameter of the second cavity (4312) is the same as the inner diameter of the needle bar cavity (431); the inner diameter of the right end of the tubular inner cavity (34) of the static mold core (32) is gradually enlarged from left to right to form a bell mouth, so that a gradually enlarged third cavity (341) is formed at the right end of the tubular inner cavity (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221086040.9U CN217570707U (en) | 2022-04-27 | 2022-04-27 | Pier head mould to hydrocarbon injection pipeline joint design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221086040.9U CN217570707U (en) | 2022-04-27 | 2022-04-27 | Pier head mould to hydrocarbon injection pipeline joint design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217570707U true CN217570707U (en) | 2022-10-14 |
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ID=83548375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221086040.9U Active CN217570707U (en) | 2022-04-27 | 2022-04-27 | Pier head mould to hydrocarbon injection pipeline joint design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217570707U (en) |
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2022
- 2022-04-27 CN CN202221086040.9U patent/CN217570707U/en active Active
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