High-temperature-resistant extrusion structure suitable for liquid die forging products
By using a combination of steel sleeves and refractory bakery boards in the extruded structure of liquid die forged, the problem of easy damage and oil leakage of the extruded structure at high temperatures is solved, which improves the extrusion efficiency and saves materials.
Patent Information
- Application Number
- CN202420957953.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-06
AI Technical Summary
In liquid die forging production, the extrusion structure is easily damaged by high-temperature molds, resulting in oil leakage and affecting the extrusion efficiency.
A high-temperature extrusion structure is designed, including a steel sleeve and a refractory bakery board at the top of the extrusion cylinder, which is used to withstand forces, and a bakery board for insulation, increasing strength and protecting the seal.
It effectively improves the high temperature resistance of the extruded structure, prevents oil leakage, improves the extrusion efficiency, and reduces material waste.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model belongs to the field of liquid die forging, and in particular relates to a high temperature resistant extrusion structure suitable for liquid die forging products. Background Art
[0002] Extrusion dies are often used in the production of liquid die forging products. Due to the structural size of some products, it is necessary to open an extrusion structure on a thinner die. However, the conventional extrusion structure requires a larger space to prevent the sealing system from being damaged by the high-temperature die, thereby causing oil leakage, which in turn affects the extrusion efficiency of the die forging product. Therefore, it is necessary to design a high-temperature resistant extrusion structure suitable for liquid die forging products to solve the above problem. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a high temperature resistant extrusion structure suitable for liquid die forging products to solve the problem that the extrusion structure produced by liquid die forging is easily damaged by high temperature dies and leaks oil, thereby affecting the extrusion efficiency.
[0004] In order to achieve the above object, the technical solution of the utility model is as follows:
[0005] A high temperature resistant extrusion structure suitable for liquid die forging products, comprising a liquid forging die core for accommodating liquid forging products and an extrusion mechanism inserted in the liquid forging die core and extruding the liquid forging products, the extrusion mechanism comprising an extrusion cylinder, an extrusion sheath movable up and down inserted in the extrusion cylinder, a circle of steel sleeve is sleeved on the top opening of the extrusion cylinder, a fire-resistant bakelite board is provided on the top of the extrusion cylinder outside the steel sleeve, and an extrusion sleeve is sleeved on the outside of the extrusion sheath.
[0006] As a further improvement to the utility model, the extrusion sleeve is arranged on the top end of the steel sleeve.
[0007] As a further improvement of the utility model, the four corners of the extrusion cylinder are provided with a first through hole, the four corners of the refractory bakelite board are provided with a second through hole, the first through hole and the second through hole are penetrated by bolts to fix the refractory bakelite board on the extrusion cylinder.
[0008] As a further improvement to the utility model, the top end of the extrusion sheath is inclined at an angle following the shape of the liquid forging die core.
[0009] As a further improvement of the utility model, the liquid forging die core comprises an upper die core and a lower die core, and the upper die core is nested in the lower die core.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] The utility model arranges a steel sleeve at the top of the extrusion oil cylinder so that the force borne by the extrusion steel is transmitted through the narrow steel sleeve in the middle, and the bakelite board with high refractoriness but no pressure is inlaid with the steel sleeve, which not only plays a role of heat insulation, but also effectively increases the strength, protects the oil cylinder and the internal seal from damage, and at the same time improves the extrusion efficiency;
[0012] The utility model provides a nested form of the upper die core and the lower die core, so that the upper die core can be replaced in time when it is damaged, thus saving materials. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 This is a schematic diagram of the structure of the utility model when viewed from above;
[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model at AA;
[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the extrusion structure of the utility model.
[0017] The names represented by the part numbers in the above three schematic diagrams are as follows:
[0018] 1. Liquid forging products;
[0019] 2. Liquid forging die core; 21. Upper die core; 22. Lower die core;
[0020] 3. Extrusion mechanism; 31. Extrusion cylinder; 311. First through hole; 32. Extrusion sheath; 33. Steel sleeve; 34. Refractory bakelite; 341. Second through hole; 35. Extrusion sleeve. DETAILED DESCRIPTION
[0021] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] The utility model provides the following embodiments:
[0023] A high temperature resistant extrusion structure suitable for liquid die forging products, comprising a liquid forging die core 2 for accommodating a liquid forging product 1 and an extrusion mechanism 3 inserted in the liquid forging die core 2 and extruding the liquid forging product 1, the liquid forging die core 2 comprising an upper die core 21 and a lower die core 22, the upper die core 21 being nested in the lower die core 22, the upper die core 21 and the lower die core 22 being split design to reduce material waste, the upper die core 21 may cause wear when in long term contact with the high temperature liquid forging product 1, the split design can ensure timely replacement of the upper die core when damaged 21, less material waste; the extrusion mechanism 3 includes an extrusion cylinder 31, an extrusion sheath 32 that moves up and down is inserted into the extrusion cylinder 31, a circle of steel sleeve 33 is sleeved at the top opening of the extrusion cylinder 31, a refractory bakelite 34 is provided at the top of the extrusion cylinder 31 outside the steel sleeve 33, an extrusion sleeve 35 is sleeved outside the extrusion sheath 32, and the extrusion sleeve 35 is arranged at the top of the steel sleeve. The top of the extrusion sheath 32 is inclined at an angle following the shape of the liquid forging die core 2. The inclination of the top of the extrusion sheath 32 can better adapt to the extrusion of the liquid forging product 1 and fit better;
[0024] The extrusion cylinder 31 has four corners with first through holes 311, and the fire-resistant bakelite board 34 has four corners with second through holes 341. Bolts penetrate the first through holes 311 and the second through holes 341 to fix the fire-resistant bakelite board 34 on the extrusion cylinder 31.
[0025] A steel sleeve 33 is arranged at the top of the extrusion cylinder 31 so that the force borne by the extruded steel is transmitted through the narrower steel sleeve 33 in the middle. The bakelite board with high refractoriness but no pressure resistance is inlaid with the steel sleeve 33, which not only plays a role of heat insulation, but also effectively increases the strength, protects the cylinder and internal seal from damage, and improves the extrusion efficiency.
[0026] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A high temperature resistant extrusion structure suitable for liquid die forging products, comprising a liquid forging die core (2) for accommodating the liquid forging product (1) and an extrusion mechanism (3) inserted in the liquid forging die core (2) and extruding the liquid forging product (1), characterized in that The extrusion mechanism (3) comprises an extrusion cylinder (31), an extrusion sheath (32) movable up and down is inserted into the extrusion cylinder (31), a steel sleeve (33) is sleeved at the top opening of the extrusion cylinder (31), a fire-resistant bakelite (34) is provided at the top of the extrusion cylinder (31) outside the steel sleeve (33), and an extrusion sleeve (35) is sleeved outside the extrusion sheath (32).
2. A high temperature resistant extrusion structure suitable for liquid die forging products according to claim 1, characterized in that: The extrusion sleeve (35) is arranged on the top end of the steel sleeve (33).
3. A high temperature resistant extrusion structure suitable for liquid die forging products according to claim 2, characterized in that: The extrusion cylinder (31) is provided with a first through hole (311) at each of its four corners, and the fire-resistant bakelite board (34) is provided with a second through hole (341) at each of its four corners. Bolts penetrate the first through hole (311) and the second through hole (341) to fix the fire-resistant bakelite board (34) on the extrusion cylinder (31).
4. A high temperature resistant extrusion structure suitable for liquid die forging products according to claim 3, characterized in that: The top end of the extrusion sheath (32) is inclined at an angle following the shape of the liquid forging die core (2).
5. A high temperature resistant extrusion structure suitable for liquid die forging products according to claim 4, characterized in that: The liquid forging die core (2) comprises an upper die core (21) and a lower die core (22), and the upper die core (21) is nested in the lower die core (22).