CN218504847U - Pipe die for pile pipe - Google Patents
Pipe die for pile pipe Download PDFInfo
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- CN218504847U CN218504847U CN202221667116.7U CN202221667116U CN218504847U CN 218504847 U CN218504847 U CN 218504847U CN 202221667116 U CN202221667116 U CN 202221667116U CN 218504847 U CN218504847 U CN 218504847U
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- compression ring
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Abstract
The utility model provides a stake pipe die belongs to stake pipe die technical field, include the socket section in proper order along the axial, tube body section and socket section, socket section inside is formed with socket platform and clamp ring, be formed with first toper structure between socket platform and the tube body section inner wall, the socket section is first circular arc transition with tube body section department of meeting, socket section inner wall is formed with second toper structure from first circular arc transition department to socket section port department, socket platform internal diameter is less than tube body section internal diameter, the clamp ring is round platform shape setting and one end internal diameter equals with socket platform internal diameter, the other end internal diameter is greater than socket platform internal diameter, tube body section inner wall forms round platform shape structure, it is greater than being close to socket section one end internal diameter to be close to socket section one end internal diameter. The utility model provides a pair of stake pipe die realizes preventing that stress concentration from appearing in pipe die bellmouth position, makes pipe die cooling rate accelerate, increases socket platform width and clamp ring length, effectively avoids producing the pipe that takes the defect.
Description
Technical Field
The utility model belongs to the technical field of stake pipe die, more specifically say, relate to a stake pipe die.
Background
The existing pile pipe die has the defects that the socket is inconvenient to beat and position due to the unreasonable radian design of the socket, and the poured pile pipe is easy to have the stress concentration phenomenon at the socket position, so that pipes with various defects, such as pipes with cracks, appear. Because the pipe die wall thickness is thick, lead to pipe die cooling rate relatively slow, lead to being difficult to dial the pipe, output receives the restriction to a certain extent. In addition, the design of the pipe die socket is unreasonable, the width of the socket table is narrow, the socket table is seriously abraded, so that the redundant molten iron of the socket flows back to the sealing part of the end cover, the sealing ring is scalded, and water leakage occurs at the socket end. In addition, because the length of the compression ring is short, the end face of the socket of the pipe die is flush with the socket gland, the excessive molten iron on the socket flows back to the sealing position of the end cover, the sealing ring is scalded, the water leakage of the socket end is caused, and the production is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stake pipe die aims at realizing preventing that pipe die bellmouth position from appearing stress concentration, makes pipe die cooling rate accelerate, increases socket platform width and clamp ring length, effectively avoids producing the pipe that takes the defect.
In order to achieve the above object, the utility model adopts the following technical scheme: the pile pipe die comprises a socket section, a pipe body section and a socket section in sequence along the axial direction, a socket platform and a compression ring are sequentially formed inside the socket section from inside to outside along the axial direction, and a first conical structure is formed between the socket platform and the inner wall of the pipe body section;
the joint of the socket section and the pipe body section is in first circular arc transition, a second conical structure is formed on the inner wall of the socket section from the first circular arc transition to the port of the socket section, and the conicity of the first conical structure and the conicity of the second conical structure are both 1;
the inner diameter of the socket table is smaller than that of the pipe body section, the compression ring is arranged in a circular truncated cone shape, the inner diameter of one end of the compression ring is equal to that of the socket table, and the inner diameter of the other end of the compression ring is larger than that of the socket table; the thickness of the socket section, the thickness of the pipe body section and the thickness of the socket section are all 19-23mm, and the width of the socket table is 19-21mm;
the inner wall of the pipe body section forms a round table-shaped structure, and the inner diameter of one end close to the bell mouth section is larger than that of one end close to the socket section.
In one possible implementation, an inner diameter of the first tapered structure near one end of the shaft section is smaller than an inner diameter of the first tapered structure near one end of the socket section.
In one possible implementation, the second conical structure has an inner diameter smaller at an end close to the shaft section than at an end close to the socket section.
In one possible implementation, the inner diameter of the first conical structure at the end of the tubular body section close to the first conical structure is equal to the inner diameter of the tubular body section at the end close to the first conical structure.
In one possible implementation, the outer circumferential wall of the socket section is formed with a projection having an outer diameter greater than the outer diameter of the shaft section.
In a possible implementation manner, an inclined surface transition is formed between one end of the protrusion close to the pipe body section and the outer wall of the pipe body section or the outer wall of the socket section, and an inclined surface transition is formed between one end of the protrusion close to the port of the socket section and the port of the socket section.
In a possible implementation manner, an outer diameter of an end of the compression ring close to the port of the socket section is larger than the inner diameter of the pipe body section and smaller than the outer diameter of the pipe body section.
In a possible implementation manner, a second arc transition is formed between one end of the compression ring close to the socket section port and the socket section port.
In one possible implementation, the compression ring is 182-184mm in length.
In a possible implementation manner, the radius of the circular arc at the joint of the socket section and the pipe body section is 80-120mm.
The utility model provides a pair of stake pipe die's beneficial effect lies in: compared with the prior art, the pile pipe die of the utility model sequentially comprises a socket section, a pipe body section and a socket section along the axial direction, a socket platform and a compression ring are sequentially formed inside the socket section from inside to outside along the axial direction, and a first conical structure is formed between the socket platform and the inner wall of the pipe body section; the joint of the socket section and the pipe body section is in first circular arc transition, a second conical structure is formed on the inner wall of the socket section from the first circular arc transition to the port of the socket section, and the conicity of the first conical structure and the conicity of the second conical structure are both 1; the inner diameter of the socket table is smaller than that of the pipe body section, the compression ring is arranged in a circular truncated cone shape, the inner diameter of one end of the compression ring is equal to that of the socket table, and the inner diameter of the other end of the compression ring is larger than that of the socket table; the thickness of the pipe body section is 19-23mm, and the width of the socket table is 19-21mm; the pipe body section inner wall forms round platform shape structure, is close to bellmouth section one end internal diameter and is greater than being close to socket section one end internal diameter, realizes preventing that the stress concentration from appearing in pipe die bellmouth position, makes pipe die cooling rate accelerate, increases socket platform width and clamp ring length, effectively avoids producing the pipe that takes the defect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a pipe die of a pile pipe according to an embodiment of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a view taken along the line B in FIG. 2;
FIG. 4 is a side view of FIG. 3;
fig. 5 is a schematic structural view of a pipe die of a pile pipe according to another embodiment of the present invention;
fig. 6 is a cross-sectional view taken along line C-C of fig. 5.
Description of reference numerals:
10. a socket section; 20. a pipe body section; 21. recessing; 30. a socket section; 40. a socket station; 50. a compression ring; 60. a first tapered structure; 70. a second tapered structure; 80. a protrusion; 81. performing slope transition; 82. second arc transition; 90. the first arc transitions.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. 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 to fig. 6, a pipe die of a pile pipe according to the present invention will now be described. The pile pipe die sequentially comprises a socket section 10, a pipe body section 20 and a socket section 30 along the axial direction, a socket table 40 and a compression ring 50 are sequentially formed inside the socket section 30 from inside to outside along the axial direction, and a first conical structure 60 is formed between the socket table 40 and the inner wall of the pipe body section 20;
the junction of the bell section 10 and the tubular body section 20 is a first circular arc transition 90, a second conical structure 70 is formed on the inner wall of the bell section 10 from the first circular arc transition 90 to the port of the bell section 10, and the tapers of the first conical structure 60 and the second conical structure 70 are both 1;
the inner diameter of the socket table 40 is smaller than that of the pipe body section 20, the compression ring 50 is arranged in a circular truncated cone shape, the inner diameter of one end of the compression ring is equal to that of the socket table 40, and the inner diameter of the other end of the compression ring is larger than that of the socket table 40; the thicknesses of the socket section 10, the pipe body section 20 and the socket section 30 are all 19-23mm, and the width of the socket table 40 is 19-21mm;
the inner wall of the pipe body section 20 forms a circular truncated cone-shaped structure, and the inner diameter of one end close to the socket section 10 is larger than that of one end close to the socket section 30.
Compared with the prior art, the utility model provides a pipe die of a pile pipe, the socket platform 40 and the clamp ring 50 are sequentially formed inside the socket section 30 from inside to outside along the axial direction, and a first conical structure 60 is formed between the socket platform 40 and the inner wall of the pipe body section 20; the joint of the socket section 10 and the pipe body section 20 is a first circular arc transition 90, a second conical structure 70 is formed on the inner wall of the socket section 10 from the first circular arc transition 90 to the port of the socket section 10, and the conicity of the first conical structure 60 and the second conical structure 70 is 1; the inner diameter of the socket table 40 is smaller than that of the pipe body section 20, the compression ring 50 is arranged in a circular truncated cone shape, the inner diameter of one end of the compression ring is equal to that of the socket table 40, and the inner diameter of the other end of the compression ring is larger than that of the socket table 40; the thickness of the pipe body section 20 is 19-23mm, and the width of the socket table 40 is 19-21mm; 20 inner walls of the pipe body section form a round platform-shaped structure, the inner diameter of one end close to the socket section 10 is larger than the inner diameter of one end close to the socket section 30, stress concentration at the socket position of the pipe die is prevented, the cooling rate of the pipe die is accelerated, the width of the socket table 40 and the length of the compression ring 50 are increased, and the production of pipes with defects is effectively avoided.
The utility model provides a pipe die integrated into one piece makes, and the material that uses can be 21CrMn10.
The pipe die is quickly cooled by reducing the thickness of the pipe die wall; by arranging the first arc transition 90, the stress concentration at the socket position of the pipe die is prevented; through widening the width of the socket platform 40 and lengthening the length of the compression ring 50, the situation that the socket platform 40 is abraded to cause the excessive molten iron of the socket to flow back to the sealing position of the end cover, the sealing ring is scalded, the water leakage phenomenon occurs, and the production is not influenced is avoided. The inner wall of the pipe body section 20 is provided with two recesses 21, the recesses 21 are circular grooves, and the cross section is circular arc.
In some embodiments, referring to fig. 1-6, the first tapered structure 60 has an inner diameter at an end near the shaft section 20 that is smaller than an inner diameter at an end near the socket section 30. By providing the first tapered structure 60, a smooth transition is provided between the body section 20 and the socket section 30 of the pipe die, and a pipe meeting the requirements can be produced.
In some embodiments, referring to fig. 1-6, the inner diameter of the second tapered structure 70 near the end of the shaft section 20 is smaller than the inner diameter near the end of the socket section 10. By providing the second tapered structure 70, a smooth transition is provided between the socket section 10 and the first circular arc transition 90, and a satisfactory pipe can be produced.
In some embodiments, referring to fig. 1-6, the inside diameter of the first tapered structure 60 near the shaft section 20 is equal to the inside diameter of the shaft section 20 near the first tapered structure 60, so that the pipe mold shaft section 20 and the socket section 30 are smoothly transitioned to produce a satisfactory pipe.
In some embodiments, referring to fig. 1 to 6, the outer circumferential wall of the socket section 30 is formed with a protrusion 80, and the outer diameter of the protrusion 80 is larger than the outer diameter of the shaft section 20. The protrusion 80 is part of the structure of the pipe mold, and can be integrated with the pipe mold, and when the pipe mold is manufactured, the protrusion 80 and the pipe mold are integrally formed. The protrusion 80 is in the shape of a circular ring when viewed from the side, and wraps around the outer circumferential wall of the socket section 30.
In some embodiments, referring to fig. 1 to 6, a slope transition 81 is formed between one end of the protrusion 80 near the shaft section 20 and the outer wall of the shaft section 20 or the socket section 30, and a slope transition 81 is formed between one end of the protrusion 80 near the port of the socket section 30 and the port of the socket section 30. Through inclined plane transition 81 between protruding 80 tip and the pipe die, be connected through the inclined plane promptly (be curved inclined plane in fact), can prevent protruding 80 tip stress concentration, avoid damaging.
In some embodiments, referring to fig. 1 to 6, an outer diameter of an end of the compression ring 50 near the port of the socket section 30 is larger than an inner diameter of the shaft section 20 and smaller than an outer diameter of the shaft section 20. The compression ring 50 is in a horn shape, is long in length, and can prevent the excessive molten iron on the socket from flowing back to the end cover sealing position to scald the sealing ring, so that the water leakage of the socket end is caused, and the production is influenced.
In some embodiments, referring to fig. 1-6, a second arc transition 82 is formed between an end of the compression ring 50 near the port of the socket section 30 and the port of the socket section 30. A second rounded transition 82 is provided between the compression ring 50 and the socket section 30 to prevent stress concentrations.
In some embodiments, referring to fig. 1-6, the compression ring 50 has a length of 182-184mm, preferably 183mm.
In some embodiments, referring to fig. 1 to 6, the radius of the circular arc where the socket section 10 and the tubular body section 20 meet is 80-120mm.
The utility model discloses a DN100 (fig. 1) and DN150 (fig. 5) two kinds of stake pipe die, DN100 stake pipe die's parameter is as follows:
the radius of the circular arc at the joint of the socket section 10 and the pipe body section 20 is 100mm, the whole wall thickness of the pipe die is reduced by 4mm, and the width of the socket table 40 is 20mm. The outer diameter of the socket section 10 is 206mm, the inner diameter is 184.2mm, and the taper length of the second conical structure 70 is 143mm. The arc length at the first arc transition 90 is 45.6mm. The outer diameter of the shaft section 20 is 160mm, the inner diameter of the shaft section 20 near the socket is 117.7mm, the inner diameter near the socket is 118.7mm, and the length of the shaft section 20 is 5489mm. The first taper 60 has a length of 110mm, a spigot outer diameter of 168mm and a spigot tip inner diameter of 110.2mm. The length of the compression ring 50 is 183mm, the inner diameter of the compression ring 50 close to the socket section 30 is 95mm, and the inner diameter of the section of the compression ring 50 is 160mm.
The parameters of the DN150 pile tube die are as follows:
the radius of the arc at the joint of the socket section 10 and the pipe body section 20 is 80-120mm, the whole wall thickness of the pipe die is reduced by 6mm, and the width of the socket table 40 is 20mm. The outer diameter of the socket section 10 is 266mm, the inner diameter is 170mm and the taper length of the second conical structure 70 is 230mm. The arc at the first arc transition 90 is an arc structure formed by combining two arcs, the radius of the arc close to the pipe body section 20 is 80mm, the radius of the arc close to the socket section 10 is 120mm, and the total length of the arc is 56mm. The outer diameter of the shaft section 20 is 209mm, the inner diameter of the shaft section 20 near the socket is 169.5mm, the inner diameter near the socket is 170mm, and the length of the shaft section 20 is 5449mm. The length of the first conical structure 60 is 150mm, the outer diameter of the socket is 209mm, and the inner diameter of the tail end of the socket is 159.3mm. The length of the compression ring 50 is 183mm, the inner diameter of the compression ring 50 close to the socket section 30 is 138mm, and the inner diameter of the section of the compression ring 50 is 185mm. In the drawings, fig. 3 can also be a view in the direction B in fig. 6.
Above-mentioned two kinds of pipe dies through setting up first circular arc transition 90, make pipe die bell mouth department beat a little easily, avoid the pipe of pouring out to appear defects such as crackle, through the pipe die thickness attenuate, make the pipe can in time cool off, easy tube drawing improves the machine hour output. Through increasing the width of the socket platform 40, the phenomenon that the socket 40 is worn to cause the redundant molten iron of the socket to flow back to the end cover sealing position, the sealing ring is scalded and damaged, and water leakage occurs is avoided.
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 (10)
1. The pile pipe die is characterized by sequentially comprising a socket section, a pipe body section and a socket section along the axial direction, wherein a socket platform and a compression ring are sequentially formed inside the socket section from inside to outside along the axial direction, and a first conical structure is formed between the socket platform and the inner wall of the pipe body section;
the joint of the socket section and the pipe body section is in first circular arc transition, a second conical structure is formed on the inner wall of the socket section from the first circular arc transition to the port of the socket section, and the conicity of the first conical structure and the conicity of the second conical structure are both 1;
the inner diameter of the socket table is smaller than that of the pipe body section, the compression ring is arranged in a circular truncated cone shape, the inner diameter of one end of the compression ring is equal to that of the socket table, and the inner diameter of the other end of the compression ring is larger than that of the socket table; the thicknesses of the socket section, the pipe body section and the socket section are all 19-23mm, and the width of the socket table is 19-21mm;
the inner wall of the pipe body section forms a round table-shaped structure, and the inner diameter of one end close to the bell mouth section is larger than that of one end close to the socket section.
2. The pile tube mold of claim 1, wherein the first tapered structure has an inner diameter proximate the shaft section that is less than an inner diameter proximate the socket section.
3. The stake tube die of claim 1, wherein said second tapered structure has an inner diameter proximate said shaft section that is less than an inner diameter proximate said socket section.
4. The pile tube mold of claim 1, wherein the first tapered structure has an inside diameter proximate the shaft section that is the same as the inside diameter of the shaft section proximate the first tapered structure.
5. The pile tube mold of claim 1, wherein the socket section outer circumferential wall is formed with a protrusion having an outer diameter greater than the shaft section outer diameter.
6. The pile tube mold of claim 5, wherein the end of the protrusion near the shaft section is in a beveled transition with the outer wall of the shaft section or the socket section, and the end of the protrusion near the port of the socket section is in a beveled transition with the port of the socket section.
7. The pile tube mold of claim 1, wherein an outer diameter of an end of the compression ring proximate the socket section port is greater than the inner diameter of the shaft section and less than the outer diameter of the shaft section.
8. The pile tube mold of claim 1, wherein said compression ring has a second arcuate transition between an end of said compression ring proximate said socket section port and said socket section port.
9. The pile tube mold of claim 1, wherein the compression ring has a length of 182-184mm.
10. The pile tube mold of claim 1, wherein the radius of the arc where the socket section meets the tube body section is 80-120mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221667116.7U CN218504847U (en) | 2022-06-29 | 2022-06-29 | Pipe die for pile pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221667116.7U CN218504847U (en) | 2022-06-29 | 2022-06-29 | Pipe die for pile pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218504847U true CN218504847U (en) | 2023-02-21 |
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ID=85207171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221667116.7U Active CN218504847U (en) | 2022-06-29 | 2022-06-29 | Pipe die for pile pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218504847U (en) |
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2022
- 2022-06-29 CN CN202221667116.7U patent/CN218504847U/en active Active
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