CN212144010U - Flange hot shaping die structure - Google Patents
Flange hot shaping die structure Download PDFInfo
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- CN212144010U CN212144010U CN202020553582.7U CN202020553582U CN212144010U CN 212144010 U CN212144010 U CN 212144010U CN 202020553582 U CN202020553582 U CN 202020553582U CN 212144010 U CN212144010 U CN 212144010U
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Abstract
The utility model discloses a flange thermal shaping die structure, which is characterized in that an upper die comprises sector plates arranged on an upper pressure head disc, the four sector plates form a circular ring with gaps, a pressure plate is arranged between the adjacent sector plates, and a stud passes through the pressure plate and is connected and fixed with the upper pressure head disc; each fan-shaped plate is provided with a tension spring, one end of each tension spring is fixed on the fan-shaped plate, and the other end of each tension spring is fixed on the pressing ring; the lower die comprises a flange shaping die cushion, an expansion die base is arranged in a central hole of the flange shaping die cushion, and a hole matched with the ejection cylinder is formed in the bottom of the expansion die base; an expansion die frame is arranged above the expansion die seat; a conical expansion die body is arranged on the expansion die frame; the flange shaping die is arranged above the flange shaping die cushion; and placing the flange to be shaped between the flange shaping die and the sector plate. The flange hot shaping device has the advantages of simple structure, reasonable design, good structural stability, safe and reliable use, good flange hot shaping effect and high efficiency; the service life is long.
Description
Technical Field
The utility model relates to a field of flange plastic especially relates to a hot plastic mould structure of flange.
Background
In the flange manufacturing engineering, the roundness of an inner hole of a flange and the flatness of an end face of the flange need to be shaped; the structure of the shaping die directly influences the shaping effect, and in order to simplify the shaping step and improve the shaping effect; therefore, a mold structure suitable for flange hot shaping needs to be designed.
Disclosure of Invention
The utility model aims at providing a flange hot shaping die structure which has reasonable structure, good stability and good shaping effect; the technical problem is solved.
In order to realize the technical purpose, reach foretell technical requirement, the utility model discloses the technical scheme who adopts is: a flange hot shaping die structure comprises an upper die and a lower die; the method is characterized in that: the upper die comprises sector plates arranged on the upper pressure head disc, the angle of each sector plate is 90 degrees, the four sector plates form a circular ring with gaps, a pressure plate is arranged between every two adjacent sector plates, and the stud bolts penetrate through the pressure plates and are fixedly connected with the upper pressure head disc; each fan-shaped plate is provided with a tension spring, one end of each tension spring is fixed on the fan-shaped plate, and the other end of each tension spring is fixed on the pressing ring; the lower die comprises a flange shaping die cushion, an expansion die holder is arranged in a central hole of the flange shaping die cushion, and a hole matched with the ejection cylinder is formed in the bottom of the expansion die holder; an expansion die frame is arranged above the expansion die seat; a conical expansion die body is arranged on the expansion die frame; the flange shaping die is arranged above the flange shaping die cushion; the flange to be shaped is placed between the flange shaping die and the sector plate, and the outer diameter of the sector plate is matched with the inner diameter of the flange to be shaped; the inner hole of the sector plate is matched with the expansion die body.
Preferably: the pressing plate is provided with a sliding groove matched with the sector plate.
Preferably: three triangular pits are uniformly arranged at the bottom of each sector plate to form a semi-hollow part; wherein, a waist-shaped hole is arranged on the middle semi-hollow bottom plate, and the equal-height screw passes through the waist-shaped hole and is fixed on the upper pressure head plate.
Preferably: the clamping ring on evenly be provided with four screw holes, and the screw hole correspondence sets up in the clearance of adjacent sector plate, be provided with the sleeve pipe on the double-end screw, double-end screw one end is connected with last pressure head dish, the other end passes the clamping ring and is provided with the nut, is connected the clamp plate with last pressure head dish fixedly.
Preferably: the outer diameter of the pressing ring is larger than the inner diameter of a circular ring formed by combining the sector plates.
Preferably: the demoulding frame is also matched with the mould removing frame.
The utility model has the advantages that; a flange hot plastic mould compares with traditional structure: the four sector plates form a circular ring with gaps, a pressing plate is arranged between every two adjacent sector plates, and the pressing plate is provided with a sliding chute matched with the sector plates; the pressure plate not only plays a role of bearing, but also is beneficial to limiting the sliding direction of the sector plate; the fan-shaped plate is provided with a semi-hollow structure, so that the weight is reduced, and the structural strength and stability are ensured; a middle semi-hollow bottom plate of the sector plate is provided with a waist-shaped hole, and an equal-height screw penetrates through the waist-shaped hole and is fixed on the upper pressure head disc; not only plays a role of guiding, but also plays a role of limiting; one end of the tension spring is fixed on the compression ring, and the other end of the tension spring is fixed on the sector plate, so that the sector plate can automatically reset under the action of the tension spring; the sector plates and the conical expansion die body are matched to act, so that each sector plate is outwards expanded to act on the circumferential surface of the inner hole of the flange to be shaped, and the roundness shaping efficiency of the flange is improved; the utility model has simple structure, reasonable design, good structural stability, safe and reliable use, good effect of flange hot shaping and high efficiency; the service life is long.
Drawings
FIG. 1 is a schematic view of the upper mold structure of the present invention;
FIG. 2 is a schematic view of the lower mold structure of the present invention;
fig. 3 is a bottom view of the upper mold of the present invention;
FIG. 4 is a schematic view of the fan-shaped plate structure of the present invention;
FIG. 5 is a view of the pressing plate of the present invention in the direction B;
in the figure: 1. an upper pressure head disc; 2. a sector plate; 3. pressing a plate; 4. a tension spring; 5. a flange shaping die pad; 6. expanding the die holder; 7. expanding the die frame; 8. expanding the die body; 9. a flange sizing die; 10. pressing a ring; 11. a sleeve; 12. a threaded hole; 13. demoulding the mould frame; 14. a chute; 15. 16 triangular pits; 17. and (5) shaping the flange.
Detailed Description
In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments;
in the drawings: a flange hot shaping die structure comprises an upper die and a lower die; the method is characterized in that: the upper die comprises sector plates 2 arranged on an upper pressure head disc 1, the angle of each sector plate 2 is 90 degrees, the four sector plates 2 form a split type ring with gaps, a pressure plate 3 is arranged between every two adjacent sector plates 2, and a double-headed screw penetrates through the pressure plate 3 to be connected and fixed with the upper pressure head disc 1; each sector plate 2 is provided with a tension spring 4, one end of each tension spring 4 is fixed on the sector plate 2, and the other end of each tension spring 4 is fixed on the pressing ring 10; the lower die comprises a flange shaping die pad 5, an expansion die holder 6 is arranged in a central hole of the flange shaping die pad 5, and a hole matched with the ejection cylinder is formed in the bottom of the expansion die holder 6; an expansion die holder 7 is arranged above the expansion die holder 6; an expansion die body 8 is arranged on the expansion die frame 7; the flange shaping die 9 is arranged above the flange shaping die cushion 5; the flange to be shaped is placed between the flange shaping die 9 and the sector plates 2, and the outer diameter of a split type ring formed by the sector plates 2 is matched with the inner diameter of the flange to be shaped; the inner hole of the split type circular ring formed by the sector plates 2 is matched with the expansion die body 8.
The pressing plate 3 is provided with a sliding chute 14 matched with the sector plate 2; three triangular concave pits 16 are uniformly formed in the bottom of each sector plate 2 to form a semi-hollow part; wherein, a waist-shaped hole is arranged on the middle semi-hollow bottom plate; the equal-height screw passes through the waist-shaped hole 15 and is fixed on the upper pressure head disc 1; four threaded holes 12 are uniformly formed in the pressing ring 10, the threaded holes 12 are correspondingly formed in the gaps between the adjacent sector plates 2, a sleeve 11 is arranged on a double-headed screw, one end of the double-headed screw is connected with the upper pressure head disc 1, and the other end of the double-headed screw penetrates through the pressing ring 10 and is provided with a nut to connect and fix the pressing plate 3 and the upper pressure head disc 1; the outer diameter of the pressing ring 10 is larger than the inner diameter of the split type circular ring formed by combining the fan-shaped plates 2; and a demoulding frame 13 is also arranged on the expansion mould frame 7 in a matching way.
The utility model discloses a concrete implementation: placing the flange to be shaped on a flange shaping die, and enabling the neck of the hubbed flange to be matched with the inner hole of the flange shaping die; when the shaping upper die and the lower die are assembled, a split type circular ring formed by the fan-shaped plates is matched with the expansion die body; the sector plate is outwards spread under the action of the conical expansion die body, the pressing plate supports the sector plate, and the equal-height screws penetrating through the waist-shaped holes limit the sliding of the sector plate; the four fan-shaped plates simultaneously slide outwards, so that the inner hole of the flange to be reshaped is reshaped in a circular degree manner; the bottom surface of the upper pressure head disc is contacted with the upper end surface of the flange to be shaped, and flatness shaping is realized under the action of pressure; one end of the tension spring is fixed on the compression ring, the other end of the tension spring is fixed on the sector plate, and after the upper die is separated from the lower die, the sector plate can automatically reset under the action of the tension force of the tension spring. The utility model discloses simple structure, stability is good, safe and reliable, the operation of being convenient for, the plastic is effectual, can realize plane degree plastic and circularity plastic simultaneously, has improved work efficiency.
The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.
Claims (6)
1. A flange hot shaping die structure comprises an upper die and a lower die; the method is characterized in that: the upper die comprises sector plates (2) arranged on an upper pressure head disc (1), the angle of each sector plate (2) is 90 degrees, four sector plates (2) form a split type ring with gaps, a pressure plate (3) is arranged between every two adjacent sector plates (2), and a double-headed screw penetrates through the pressure plate (3) to be connected and fixed with the upper pressure head disc (1); each sector plate (2) is provided with a tension spring (4), one end of each tension spring (4) is fixed on the sector plate (2), and the other end of each tension spring (4) is fixed on the pressing ring (10); the lower die comprises a flange shaping die cushion (5), an expansion die holder (6) is arranged in a central hole of the flange shaping die cushion (5), and a hole matched with the ejection cylinder is formed in the bottom of the expansion die holder (6); an expansion die holder (7) is arranged above the expansion die holder (6); a conical expansion die body (8) is arranged on the expansion die frame (7); the flange shaping die (9) is arranged above the flange shaping die cushion (5); a flange (17) to be shaped is placed between the flange shaping die (9) and the sector plates (2), and the outer diameter of a split type ring formed by the sector plates (2) is matched with the inner diameter of the flange to be shaped; the inner hole of the split type circular ring formed by the sector plates (2) is matched with the expansion die body (8).
2. The flange hot shaping mold structure according to claim 1, wherein: the pressing plate (3) is provided with a sliding chute (14) matched with the sector plate (2).
3. The flange hot shaping mold structure according to claim 1, wherein: three triangular concave pits (16) are uniformly formed in the bottom of each sector plate (2) to form a semi-hollow part; wherein, a waist-shaped hole (15) is arranged on the middle semi-hollow bottom plate, and a screw with equal height passes through the waist-shaped hole (15) and is fixed on the upper pressure head plate (1).
4. The flange hot shaping mold structure according to claim 1, wherein: the pressing ring (10) on evenly be provided with four screw holes (12), and screw hole (12) correspond and set up in the clearance of adjacent sector plate (2), be provided with sleeve pipe (11) on the double-end screw, double-end screw one end is connected with last pressure head dish (1), the other end passes pressing ring (10) and is provided with the nut, is connected clamp plate (3) and last pressure head dish (1) fixedly.
5. The flange hot shaping mold structure according to claim 1, wherein: the outer diameter of the pressing ring (10) is larger than the inner diameter of the split type circular ring formed by combining the fan-shaped plates (2).
6. The flange hot shaping mold structure according to claim 1, wherein: the die expanding frame (7) is also provided with a die releasing frame (13) in a matching way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553582.7U CN212144010U (en) | 2020-04-15 | 2020-04-15 | Flange hot shaping die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020553582.7U CN212144010U (en) | 2020-04-15 | 2020-04-15 | Flange hot shaping die structure |
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| Publication Number | Publication Date |
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| CN212144010U true CN212144010U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020553582.7U Active CN212144010U (en) | 2020-04-15 | 2020-04-15 | Flange hot shaping die structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231491A (en) * | 2021-05-25 | 2021-08-10 | 山东瑞烨法兰有限公司 | Rounding and flattening device and method for flange after ring grinding |
-
2020
- 2020-04-15 CN CN202020553582.7U patent/CN212144010U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231491A (en) * | 2021-05-25 | 2021-08-10 | 山东瑞烨法兰有限公司 | Rounding and flattening device and method for flange after ring grinding |
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