Molybdenum plug static pressure shaping device

By setting locking strips and sealing grooves between the molybdenum mandrel molds, and introducing fixing frames and baffles, the sealing problem during mold assembly was solved, achieving precise positioning and sealing during the static pressure shaping process of the molybdenum mandrel, and improving the locking accuracy and stability of the molds.

CN223544090UActive Publication Date: 2025-11-14HENAN JINPENG METAL PRODUCTS CO LTD
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Patent Information

Application Number
CN202423016311.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-11-14
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

The existing static pressure shaping device for molybdenum mandrels has poor sealing performance during mold assembly, making it difficult to meet the precision requirements of molybdenum mandrels.

Method used

An upper locking strip and a lower locking sealing groove are set between the upper molybdenum mandrel mold and the lower molybdenum mandrel mold, and a bottom fixing frame and a conveying baffle are introduced into the mold structure to achieve precise positioning and sealing of the mold.

Benefits of technology

This improved the mold's engagement precision and sealing performance, ensuring the mold's stability and accuracy during the hydrostatic shaping process of the molybdenum mandrel.

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Abstract

The utility model discloses a molybdenum plug static pressure shaping device which comprises an upper end molybdenum plug mold, an upper end clamping strip is fixedly connected to the outer end of the upper end molybdenum plug mold, and a roughly machined molybdenum plug is clamped in the upper end molybdenum plug mold; and the upper end of the fixed supporting plate is fixedly connected with a bottom end fixing frame, a lower end molybdenum top mold is clamped in the bottom end fixing frame, the outer end of the lower end molybdenum top mold is fixedly connected with a lower end clamping sealing groove, and the lower end clamping sealing groove and the upper end clamping strip are embedded. The upper end clamping strip and the lower end clamping sealing groove are arranged between the upper end molybdenum top head mold and the lower end molybdenum top head mold, so that the two mold structures are conveniently positioned in the mold pressing process, and the molds are sealed in the static setting process. And by arranging the bottom end fixing frame and the conveying baffle, the mold at the bottom end can be conveniently fixed when the mold is clamped, the clamping precision is improved, and the mold structure can be conveniently and directly ejected out after clamping and fixing.
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Description

Technical Field

[0001] This utility model relates to the technical field of molybdenum mandrel manufacturing, and in particular to a static pressure shaping device for molybdenum mandrels. Background Technology

[0002] In industrial production, the molybdenum mandrel is a key component in the production of seamless steel pipes. It is usually made of molybdenum and molybdenum alloys. In order to shape the molybdenum mandrel and improve its quality, a static pressure shaping device for the molybdenum mandrel is usually used to ensure that the force on the molybdenum mandrel is uniform.

[0003] A typical molybdenum mandrel static pressure forming device places the pre-pressed billet into an elastic mold, then places it in a high-pressure container. A liquid medium is used to uniformly apply pressure to the elastic mold, subjecting the billet to uniform pressure in all directions, further improving its density and uniformity, and perfecting its internal structure. However, this structure is difficult to assemble the molds, and the sealing effect is poor during static pressure forming. Chinese patent application number "CN201621119096.4" discloses a device for cold isostatic pressure forming of superhard material billets. By using a special flexible film sealing bag, it improves the isostatic pressure forming effect of superhard material billets, effectively increasing density. Furthermore, this flexible film sealing bag is durable, low-cost, and more reliable. It has the advantages of simple and reasonable structure, convenient operation, and low cost. However, this structure is not a hydraulic forming structure and cannot meet the precision requirements of a molybdenum mandrel. Utility Model Content

[0004] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a molybdenum mandrel static pressure shaping device. By setting an upper locking strip and a lower locking sealing groove between the upper and lower molybdenum mandrel molds, the two mold structures are easily positioned during the pressing process, and the molds are sealed during the static shaping process. By setting a bottom fixing frame and a conveying baffle, the bottom mold is easily fixed during locking, improving locking accuracy, and the mold structure can be directly ejected after locking.

[0005] This utility model also provides a static pressure shaping device for a molybdenum mandrel, comprising: an upper molybdenum mandrel mold, the outer end of which is fixedly connected to an upper locking strip, and a roughly machined molybdenum mandrel locked inside the upper molybdenum mandrel mold; a fixed support plate, the upper end of which is fixedly connected to a lower fixed frame, the lower fixed frame locking inside a lower molybdenum mandrel mold, and the outer end of which is fixedly connected to a lower locking sealing groove, the lower locking sealing groove and the upper locking strip fitting together to form a locking structure. By setting an upper locking strip and a lower locking sealing groove between the upper and lower molybdenum mandrel molds, the two mold structures are easily positioned during the pressing process, and the molds are sealed during the static shaping process. By setting a lower fixed frame and a conveying baffle, the lower mold is easily fixed during the locking process, improving the locking accuracy, and the mold structure can be directly ejected after locking.

[0006] According to the present invention, a molybdenum mandrel static pressure shaping device is provided at the outer end of the fixed support plate, and a top support plate is fixedly connected to the upper end of the outer support column.

[0007] According to the present invention, a molybdenum mandrel static pressure shaping device is provided, wherein an upper fixed motor is fixedly connected to the lower end of the top support plate, and an electric pressing rod is fixedly connected to the output end of the upper fixed motor.

[0008] According to the present invention, a molybdenum mandrel static pressure shaping device is provided, wherein the lower end of the electric pressing rod is fixedly connected to a connecting fixing seat, and the connecting fixing seat is fixedly connected to the upper molybdenum mandrel mold.

[0009] According to the present invention, a molybdenum mandrel static pressure shaping device is provided at the front end of the fixed support plate, and a transmission motor is fixedly connected to the output end of the transmission motor.

[0010] According to the present invention, a molybdenum mandrel static pressure shaping device is provided with a transmission limiting plate rotatably connected to the end of the transmission rotating shaft, and a conveyor belt is provided at the outer end of the transmission rotating shaft.

[0011] According to the present invention, a molybdenum mandrel static pressure shaping device is provided, wherein a rear-end push motor is fixedly connected to the rear end of the fixed support plate, and an electric telescopic rod is fixedly connected to the output end of the rear-end push motor, and the electric telescopic rod abuts against the lower molybdenum mandrel mold.

[0012] According to the present invention, a molybdenum mandrel static pressure shaping device is provided, wherein an adjusting rotating shaft is rotatably connected to the front end of the bottom fixed frame, and a conveying baffle is fixedly connected to the outer end of the adjusting rotating shaft.

[0013] According to the present invention, a molybdenum mandrel static pressure shaping device is provided at the front end of the conveyor belt, and an upper molybdenum mandrel mold and a lower molybdenum mandrel mold are placed inside the hydraulic static pressure shaping device.

[0014] Beneficial effects:

[0015] 1. Compared with the prior art, the molybdenum mandrel static pressure shaping device sets an upper locking strip and a lower locking sealing groove between the upper molybdenum mandrel mold and the lower molybdenum mandrel mold, which facilitates the positioning of the two mold structures during the pressing process and seals the mold during the static shaping process.

[0016] 2. Compared with the prior art, this molybdenum mandrel static pressure shaping device, by setting a bottom fixing frame and a conveying baffle, facilitates fixing the bottom mold when clamping the mold, improving the clamping accuracy, and facilitates directly ejecting the mold structure after clamping and fixing. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a structural diagram of the entire utility model;

[0019] Figure 2 for Figure 1 Enlarged structural diagram at point A in the middle;

[0020] Figure 3 This is a structural diagram of the present invention from a rear view.

[0021] Figure 4 This is a structural diagram of the present invention from an upward perspective.

[0022] Legend:

[0023] 1. Top support plate; 2. Outer support column; 3. Fixed support plate; 4. Conveyor motor; 5. Conveyor rotating shaft; 6. Conveyor limiting plate; 7. Conveyor belt; 8. Hydraulic static setting equipment; 9. Adjusting rotating shaft; 10. Conveyor baffle; 11. Upper molybdenum mandrel mold; 12. Lower molybdenum mandrel mold; 13. Upper locking strip; 14. Lower locking sealing groove; 15. Rear push motor; 16. Electric telescopic rod; 17. Bottom fixing frame; 18. Upper fixing motor; 19. Electric pressing rod; 20. Connecting fixing seat. Detailed Implementation

[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0025] refer to Figure 1-4 The molybdenum mandrel static pressure shaping device of this embodiment includes: an upper molybdenum mandrel mold 11, with an upper locking strip 13 fixedly connected to the outer end of the upper molybdenum mandrel mold 11 to fix and lock the upper molybdenum mandrel mold 11 and the lower molybdenum mandrel mold 12, thereby improving the sealing performance during the static shaping process. A roughly machined molybdenum mandrel is locked inside the upper molybdenum mandrel mold 11; an adjusting rotating shaft 9 is rotatably connected to the front end of the bottom fixing frame 17, and a conveying baffle 10 is fixedly connected to the outer end of the adjusting rotating shaft 9. A hydraulic static shaping device 8 is installed at the front end of the conveyor belt 7, and the upper molybdenum mandrel mold 11 and the lower molybdenum mandrel mold 12 are placed inside the hydraulic static shaping device 8.

[0026] A fixed support plate 3 secures the entire mold engagement structure in its designated position. A bottom fixing frame 17 is fixedly connected to the upper end of the fixed support plate 3 to improve the accuracy of the static settling process. A lower molybdenum mandrel mold 12 is engaged inside the bottom fixing frame 17, and a lower engagement sealing groove 14 is fixedly connected to the outer end of the lower molybdenum mandrel mold 12. The lower engagement sealing groove 14 and the upper engagement strip 13 interlock to form an engagement structure. An outer support column 2 is provided at the outer end of the fixed support plate 3, and a top support plate 1 is fixedly connected to the upper end of the outer support column 2. An upper fixed motor 18 is fixedly connected to the lower end of the top support plate 1, and an electric pressing rod 19 is fixedly connected to the output end of the upper fixed motor 18. A connecting fixing seat 20 is fixedly connected to the lower end of the electric pressing rod 19, and the connecting fixing seat 20 is fixedly connected to the upper molybdenum mandrel mold 11. A transmission motor 4 is provided at the front end of the fixed support plate 3, and a transmission rotation shaft 5 is fixedly connected to the output end of the transmission motor 4. A transmission limiting plate 6 is rotatably connected to the end of the transmission rotating shaft 5, and a conveyor belt 7 is provided at the outer end of the transmission rotating shaft 5. A rear-end push motor 15 is fixedly connected to the rear end of the fixed support plate 3, and an electric telescopic rod 16 is fixedly connected to the output end of the rear-end push motor 15. The electric telescopic rod 16 abuts against the lower molybdenum mandrel mold 12. This facilitates pushing the mold structure to the upper end of the transmission structure, which is convenient for subsequent static setting work.

[0027] Working principle: When using this structure, the lower molybdenum mandrel mold 12 is placed inside the bottom fixing frame 17, and the upper molybdenum mandrel mold 11 is fixed at the lower end of the connecting fixing seat 20 of the electric pressing rod 19. Then, the upper fixing motor 18 is started, which drives the upper molybdenum mandrel 11 to move downward, so that the upper locking strip 13 engages with the lower locking groove 14, thus fixing the upper molybdenum mandrel mold 11 and the lower molybdenum mandrel mold 12.

[0028] Then, the rear drive motor 15 is started to push the lower molybdenum mandrel mold 12 out of the bottom fixed frame 17. During this process, the rotation of the rotating shaft 9 is adjusted so as not to affect the push.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A molybdenum mandrel static pressure shaping device, characterized in that, include: Upper molybdenum mandrel mold (11), the outer end of which is fixedly connected with an upper locking strip (13), and the upper molybdenum mandrel mold (11) is fitted with a rough-machined molybdenum mandrel inside; A fixed support plate (3) is fixedly connected to a bottom fixed frame (17) at its upper end. A lower molybdenum mandrel mold (12) is engaged inside the bottom fixed frame (17). A lower engagement sealing groove (14) is fixedly connected to the outer end of the lower molybdenum mandrel mold (12). The lower engagement sealing groove (14) and the upper engagement strip (13) are interlocked to form an engagement structure.

2. The molybdenum mandrel static pressure shaping device according to claim 1, characterized in that, The fixed support plate (3) is provided with an outer end support column (2) at its outer end, and the upper end of the outer end support column (2) is fixedly connected to a top end support plate (1).

3. The molybdenum mandrel static pressure shaping device according to claim 2, characterized in that, The lower end of the top support plate (1) is fixedly connected to the upper end fixed motor (18), and the output end of the upper end fixed motor (18) is fixedly connected to the electric pressing rod (19).

4. The molybdenum mandrel static pressure shaping device according to claim 3, characterized in that, The lower end of the electric pressing rod (19) is fixedly connected to a connecting fixing seat (20), and the connecting fixing seat (20) is fixedly connected to the upper molybdenum mandrel mold (11).

5. The molybdenum mandrel static pressure shaping device according to claim 1, characterized in that, The fixed support plate (3) is provided with a transmission motor (4) at its front end, and the output end of the transmission motor (4) is fixedly connected to a transmission rotating shaft (5).

6. The molybdenum mandrel static pressure shaping device according to claim 5, characterized in that, The transmission rotating shaft (5) is rotatably connected to a transmission limiting plate (6) at its end, and a conveyor belt (7) is provided at the outer end of the transmission rotating shaft (5).

7. The molybdenum mandrel static pressure shaping device according to claim 1, characterized in that, The fixed support plate (3) is fixedly connected to a rear push motor (15) at its rear end. The output end of the rear push motor (15) is fixedly connected to an electric telescopic rod (16). The electric telescopic rod (16) abuts against the lower molybdenum mandrel mold (12).

8. The molybdenum mandrel static pressure shaping device according to claim 1, characterized in that, The bottom fixed frame (17) is rotatably connected to an adjustment rotating shaft (9) at its front end, and a conveying baffle (10) is fixedly connected to the outer end of the adjustment rotating shaft (9).

9. The molybdenum mandrel static pressure shaping device according to claim 6, characterized in that, The front end of the conveyor belt (7) is provided with a hydraulic static shaping device (8), and the upper molybdenum mandrel mold (11) and the lower molybdenum mandrel mold (12) are placed inside the hydraulic static shaping device (8).

Citation Information

Patent Citations

  • A device that is used for pressurization of superhard materials goods body cold isostatic pressing to stereotype

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