Large extruding machine for alloy

Abstract

The utility model discloses a large-scale extruder for alloy, which relates to the technical field of nickel-based alloy processing and comprises an extrusion cylinder, a double-cone die is fixedly mounted at one end of the extrusion cylinder, and a second extrusion pad, a forging blank, a first extrusion pad and an extrusion shaft are sequentially arranged on the inner side of the extrusion cylinder from one end of the double-cone die to the other end of the extrusion cylinder. A connecting assembly and a positioning assembly are arranged between the extrusion shaft and the first extrusion pad; according to the technical scheme provided by the utility model, the connecting assembly is arranged, specifically, during installation, the limiting rod is aligned with the limiting hole to be inserted, then one end of the connecting clamping piece penetrates through the first T-shaped hole and the kidney-shaped hole to be inserted into the cylindrical groove, and the connecting clamping piece is rotated, so that one end of the connecting clamping piece is clamped on the step at the joint of the kidney-shaped hole and the cylindrical groove; and therefore, the extrusion shaft and the first extrusion pad are mounted, and the extrusion shaft and the first extrusion pad are conveniently connected while large holes and grooves are conveniently machined.

Description

Technical Field

[0001] This utility model relates to the field of nickel-based alloy processing technology, and in particular to a large extrusion press for alloys. Background Technology

[0002] In large extrusion presses, the extrusion shaft and extrusion pad need to be tightly connected to transmit force. During normal extrusion, the two are in direct contact. However, after extrusion, due to flash on the billet, the extrusion pad may not be able to retract smoothly. At this time, the extrusion shaft and extrusion pad need to remain connected to transmit the retraction force, which can reach thousands of tons. Given the large weight of the extrusion shaft and extrusion pad, there is an urgent need for a simple, easy-to-operate, and easy-to-manufacture connection method to ensure its stability and reliability under high-strength conditions.

[0003] Currently, when connecting the extrusion shaft and the extrusion pad, four spiral T-holes are symmetrically machined on the end face of the extrusion shaft, and threaded holes are machined on the corresponding positions of the extrusion pad. The two are then connected by a bolt rotation. In use, the bolt is first screwed onto the extrusion pad, then the bolt is aligned with the T-holes on the end face of the extrusion shaft. The extrusion shaft is then raised or the extrusion pad is lowered. After the bolt enters the end face of the extrusion shaft, the extrusion pad is rotated. Due to the high rigidity of the extrusion shaft, the small size of the T-holes, and the high machining difficulty, as well as the small bolt size, installation is not only time-consuming and labor-intensive, but the force generated when the extrusion shaft retracts is also large, making it prone to breakage. Therefore, an improvement is needed. Utility Model Content

[0004] The technical problem this invention aims to solve is to overcome the shortcomings of existing technologies and provide a large-scale extrusion press for alloys. This addresses the issue in existing technologies where, when connecting the extrusion shaft and extrusion pad, four spiral T-holes are symmetrically machined on the end face of the extrusion shaft, and threaded holes are machined on the corresponding positions of the extrusion pad. The two are then connected by a bolt. In practice, the bolt is first screwed onto the extrusion pad, then aligned with the T-holes on the end face of the extrusion shaft. The extrusion shaft is then raised or the extrusion pad is lowered. After the bolt enters the end face of the extrusion shaft, the extrusion pad is rotated. Because the extrusion shaft has high rigidity, the T-holes are small and difficult to machine, and the bolts are also small, installation is time-consuming and labor-intensive. Furthermore, the force generated when the extrusion shaft retracts is large, making breakage likely. Therefore, an improvement is needed.

[0005] The problem.

[0006] In view of this, the present invention provides a large extrusion press for alloys, including an extrusion cylinder, a double cone die fixedly installed at one end of the extrusion cylinder, and a second extrusion pad, a forging blank, a first extrusion pad and an extrusion shaft arranged sequentially on the inner side of the extrusion cylinder from one end near the double cone die to the other end of the extrusion cylinder, and a connecting component and a positioning component are provided between the extrusion shaft and the first extrusion pad;

[0007] The connecting assembly includes a cylindrical groove, a waist-shaped hole, a first T-shaped hole, a connecting clip, a limiting hole, and a limiting rod. The cylindrical groove and waist-shaped hole are located at one end of the extrusion shaft, the first T-shaped hole is located in the middle of the first extrusion pad, one end of the connecting clip passes through the first T-shaped hole and the waist-shaped hole and is fixedly installed inside the cylindrical groove, the limiting hole is located at one end of the extrusion shaft, and the limiting rod is fixedly connected to one end of the first extrusion pad.

[0008] Optionally, the diameter of the cylindrical groove is the same as the length of the major axis of the cross-section of the waist-shaped hole.

[0009] Optionally, one end of the connecting clip has a cross-sectional shape that matches the cross-sectional shape of the waist-shaped hole.

[0010] Optionally, the shape of the other end of the connecting clip matches the shape of the first T-hole.

[0011] Optionally, the shape and size of the limiting hole are matched with those of the limiting rod.

[0012] Optionally, the positioning component includes a fixing screw hole, a second T-shaped hole, and a fixing bolt. The fixing screw hole is located on one side of the first compression pad, the second T-shaped hole is located at one end of the connecting clip, and one end of the fixing bolt passes through the second T-shaped hole and is threaded into the fixing screw hole.

[0013] Optionally, the fixing screw hole is located inside the first T-shaped hole.

[0014] As can be seen from the above technical solutions, the embodiments of this utility model have the following advantages:

[0015] 1. This utility model discloses a large extrusion press for alloys. By setting a connecting component, specifically, during installation, the limiting rod is aligned with the limiting hole and inserted. Then, one end of the connecting clip is inserted into the cylindrical groove through the first T-shaped hole and the waist-shaped hole, and the connecting clip is rotated so that one end of the connecting clip is locked on the step at the connection between the waist-shaped hole and the cylindrical groove, thereby installing the extrusion shaft and the first extrusion pad. This facilitates the processing of larger holes and grooves while also facilitating the connection between the extrusion shaft and the first extrusion pad.

[0016] 2. The present invention relates to a large extrusion press for alloys. By setting a positioning component, specifically, after the connecting clip is inserted and rotated into place, a fixing bolt is used to pass through the second T-shaped hole and engage with the fixing screw hole to fix the connecting clip so that it cannot rotate independently relative to the first extrusion pad, thereby ensuring the connection stability of the connecting component.

[0017] These features and advantages of the present invention will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a partial sectional view of the side of this utility model;

[0021] Figure 3 This is a partial structural diagram of the connecting component and positioning component of this utility model;

[0022] Figure 4 This is an exploded view of the connecting component structure of this utility model.

[0023] Explanation of reference numerals in the attached drawings: 1. Extrusion cylinder; 2. Double cone die; 3. Extrusion shaft; 4. First extrusion pad; 5. Forging blank; 6. Second extrusion pad; 701. Cylindrical groove; 702. Waist-shaped hole; 703. First T-shaped hole; 704. Connecting clip; 705. Limiting hole; 706. Limiting rod; 801. Fixing screw hole; 802. Second T-shaped hole; 803. Fixing bolt. Detailed Implementation

[0024] The technical solutions of the present utility model will be explained and described below with reference to the accompanying drawings. However, the following embodiments are only preferred embodiments of the present utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments in the implementation methods without creative effort are all within the protection scope of the present utility model.

[0025] The following describes in detail an embodiment of the present invention, with reference to the accompanying drawings, a large extrusion press for alloys.

[0026] Example 1

[0027] For easier understanding, please refer to Figures 1 to 4 An embodiment of a large extrusion press for alloys provided by this utility model includes an extrusion cylinder 1, a double cone die 2 fixedly installed at one end of the extrusion cylinder 1, and a second extrusion pad 6, a forging blank 5, a first extrusion pad 4 and an extrusion shaft 3 arranged sequentially on the inner side of the extrusion cylinder 1 from one end near the double cone die 2 to the other end of the extrusion cylinder 1. A connecting component and a positioning component are provided between the extrusion shaft 3 and the first extrusion pad 4.

[0028] The connecting assembly includes a cylindrical groove 701, a waist-shaped hole 702, a first T-shaped hole 703, a connecting clip 704, a limiting hole 705, and a limiting rod 706. The cylindrical groove 701 and the waist-shaped hole 702 are located at one end of the extrusion shaft 3. The first T-shaped hole 703 is located in the middle of the first extrusion pad 4. One end of the connecting clip 704 passes through the first T-shaped hole 703 and is fixedly installed inside the cylindrical groove 701 along with the waist-shaped hole 702. The limiting hole 705 is located at one end of the extrusion shaft 3. The limiting rod 706 is fixedly connected to one end of the first extrusion pad 4. The diameter of the cylindrical groove 701 is the same as the length of the major axis of the cross-section of the waist-shaped hole 702. One end of the connecting clip 704 has a cross-sectional shape that matches the cross-sectional shape of the waist-shaped hole 702, and the other end of the connecting clip 704 has a shape that matches the shape of the first T-shaped hole 703. The shape and size of the limiting hole 705 and the limiting rod 706 are matched.

[0029] It should be noted that by setting the cylindrical groove 701 and the waist-shaped hole 702, the size is much larger than the connection hole of the traditional bolt connection, which makes the processing more convenient and the processing accuracy requirements are low. Then, by setting the connecting clip 704, during installation, the limiting rod 706 is aligned with the limiting hole 705 and inserted. Then, one end of the connecting clip 704 is inserted into the cylindrical groove 701 through the first T-shaped hole 703 and the waist-shaped hole 702, and the connecting clip 704 is rotated so that one end of the connecting clip 704 is locked on the step at the connection between the waist-shaped hole 702 and the cylindrical groove 701, thereby installing the extrusion shaft 3 and the first extrusion pad 4. The small hole end of the first T-shaped hole 703 is a waist hole that matches the shape of one end of the connecting clip 704. The second extrusion pad 6 has an arc at one end, which can improve the material utilization rate. The extruded billet does not need to be processed into an arc, saving a lot of expensive raw materials. The amount of bar head removed after extrusion is very small, which improves the material utilization rate.

[0030] Example 2

[0031] In some embodiments, such as Figure 3 , Figure 4 As shown, the positioning assembly includes a fixing screw hole 801, a second T-shaped hole 802, and a fixing bolt 803. The fixing screw hole 801 is opened on one side of the first compression pad 4, the second T-shaped hole 802 is opened at one end of the connecting clip 704, and one end of the fixing bolt 803 passes through the second T-shaped hole 802 and is threaded into the fixing screw hole 801. The fixing screw hole 801 is located inside the first T-shaped hole 703.

[0032] It should be noted that by opening the fixing screw hole 801 and the second T-shaped hole 802, after the connecting clip 704 is inserted and rotated into place, the fixing bolt 803 passes through the second T-shaped hole 802 and engages with the fixing screw hole 801 to fix the connecting clip 704, so that it cannot rotate independently relative to the first compression pad 4, thereby ensuring the connection stability of the connecting parts.

[0033] Working principle: During installation, the limiting rod 706 is aligned with the limiting hole 705 and inserted. Then, one end of the connecting clip 704 is inserted into the cylindrical groove 701 through the first T-hole 703 and the waist-shaped hole 702. The connecting clip 704 is rotated so that one end of the connecting clip 704 is locked on the step at the connection between the waist-shaped hole 702 and the cylindrical groove 701, thereby installing the extrusion shaft 3 and the first extrusion pad 4. Then, the fixing bolt 803 is threaded through the second T-hole 802 and the fixing screw hole 801 to fix the connecting clip 704, so that it cannot rotate independently relative to the first extrusion pad 4. Finally, it is put into use to extrude nickel-based alloy bars.

[0034] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A large extruder for alloys, characterized by: The utility model provides an extrusion cylinder (1) is fixedly installed with double cone mould (2) one end, the inside of extrusion cylinder (1) is close to double cone mould (2) one end to extrusion cylinder (1) other end is sequentially provided with second extrusion pad (6), forging blank (5), first extrusion pad (4) and extrusion shaft (3), connecting assembly and positioning assembly are provided between extrusion shaft (3) and first extrusion pad (4); The connecting assembly includes a cylindrical groove (701), a waist-shaped hole (702), a first T-shaped hole (703), a connecting clamp (704), a limiting hole (705), and a limiting rod (706). The cylindrical groove (701) and the waist-shaped hole (702) are formed at one end of the extrusion shaft (3). The first T-shaped hole (703) is formed in the middle of the first extrusion pad (4). One end of the connecting clamp (704) penetrates the first T-shaped hole (703) and the waist-shaped hole (702) and is fixedly installed inside the cylindrical groove (701). The limiting hole (705) is formed at one end of the extrusion shaft (3). The limiting rod (706) is fixedly connected to one end of the first extrusion pad (4).

2. A large extrusion press for an alloy as claimed in claim 1, characterized in that: The diameter of the cylindrical groove (701) is the same as the length of the long axis of the cross section of the waist-shaped hole (702).

3. A large extrusion press for an alloy as claimed in claim 1, characterized in that: One end of the connecting clamp (704) has a cross-sectional shape that matches the cross-sectional shape of the waist-shaped hole (702).

4. A large extrusion press for an alloy as claimed in claim 1, characterized in that: The other end of the connecting clamp (704) has a shape that matches the shape of the first T-shaped hole (703).

5. A large extrusion press for an alloy as claimed in claim 1, characterized in that: The limiting hole (705) and the limiting rod (706) have shapes and sizes that match.

6. A large extrusion press for an alloy as defined in claim 1, characterized by: The positioning assembly includes a fixed screw hole (801), a second T-shaped hole (802), and a fixed bolt (803). The fixed screw hole (801) is formed at one side of the first extrusion pad (4). The second T-shaped hole (802) is formed at one end of the connecting clamp (704). One end of the fixed bolt (803) penetrates the second T-shaped hole (802) and is threadedly connected inside the fixed screw hole (801).

7. An alloy extruder as claimed in claim 6, characterized in that: The fixed screw hole (801) is located inside the first T-shaped hole (703).

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