Hot working treatment process for copper-chromium-nickel-silicon alloy

Abstract

The invention relates to the technical field of alloy hot working treatment, in particular to a copper-chromium-nickel-silicon alloy hot working treatment process which comprises an annular shell, an executing mechanism is arranged in the annular shell, and an adjusting mechanism is further arranged on the annular shell. According to the alloy machining device, the inner support and the outer portion are used for embracing and alternately fixing, different machining treatment work on the alloy is achieved, the machining efficiency is improved, the machining cost is reduced, and the machining efficiency is improved. The alloy outer wall cutting work and the alloy inner wall grinding work are combined into a whole, alloy machining continuity is guaranteed, the problems of low machining efficiency and the like caused by multiple times of clamping are solved, meanwhile, a plurality of machining stations are arranged, cutting and grinding work of a plurality of alloys can be completed at the same time through single driving, and machining efficiency is improved. And on the premise that the alloy processing work integration is guaranteed, the alloy processing work efficiency is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of alloy heat treatment, and in particular to a copper-chromium-nickel-silicon alloy heat treatment process. Background Art

[0002] Copper-chromium-nickel-silicon alloy is a high-performance copper-based material suitable for applications requiring excellent conductivity, corrosion resistance and high strength. In order to ensure the optimal performance of this alloy, its thermal processing technology is crucial, which includes melting and forging, solution treatment and subsequent final forming and surface finishing steps.

[0003] In the common Cu-Cr-Ni-Si alloy forming and surface treatment process, the Cu-Cr-Ni-Si alloy is first fixed on a special equipment, and then the inside and outside of the Cu-Cr-Ni-Si alloy are precisely processed by the equipment to achieve the required dimensional accuracy. In addition, features such as holes, grooves or threads are cut on the surface of the Cu-Cr-Ni-Si alloy. Finally, the Cu-Cr-Ni-Si alloy will be installed on a polishing machine for surface polishing and possible application of a protective coating to improve the appearance and durability of the Cu-Cr-Ni-Si alloy.

[0004] Although the existing technology can meet certain processing quality standards, there are still some problems in actual operation. When performing various types of processing, it is often necessary to switch different special equipment, such as lathes, grinders, etc., which leads to frequent loading and unloading work and increases the production cycle time. Especially when facing large-scale production tasks, a single workstation will also affect the work efficiency of alloy processing. Summary of the invention

[0005] In view of the above problems, the embodiment of the present application provides a copper-chromium-nickel-silicon alloy thermal processing equipment to solve the problems existing in the processing of copper-chromium-nickel-silicon alloy.

[0006] In order to achieve the above-mentioned purpose, the embodiment of the present application provides the following technical solution: a copper-chromium-nickel-silicon alloy heat treatment process, comprising the following steps:

[0007] S1. Melting and casting: First, pure copper and other alloy elements such as chromium, nickel, silicon, etc. are mixed in a predetermined proportion and melted at a high temperature; then the molten metal is poured into a pre-prepared mold for casting to obtain a casting.

[0008] S2. Homogenization treatment: The casting is heated at a certain temperature for a long time and then slowly cooled.

[0009] S3. Hot rolling treatment: The castings after homogenization treatment are formed into the required shape and size through hot rolling. The hot working temperature should be controlled within a suitable range to ensure that the material has good plasticity and fluidity;

[0010] S4, Solution treatment: Heat the casting to a temperature close to but below the melting point of the alloy, keep it for a period of time and then cool it rapidly.

[0011] S5. Aging treatment: After solution treatment, the casting is kept at a low temperature for a period of time to promote the formation of precipitation phase, thereby improving the mechanical properties of the alloy.

[0012] S6. Final processing and surface treatment: First, several alloys are placed in the alloy grinding equipment, and then the alloy grinding and cutting equipment is started. The internal support is used to drive the alloys to rotate. During the rotation, the threads on the outer wall of the alloy are cut, and the inner wall of the alloy is ground by the bonding and fixing of the outer wall of the alloy.

[0013] The above step S6 is completed with a copper-chromium-nickel-silicon alloy heat processing equipment, which specifically includes: an annular shell, the lower end of which is open, the upper end of which is closed, and the interior of which is provided with an actuator for processing the alloy.

[0014] The actuator includes five supporting circular plates rotatably arranged inside the annular shell in a circular array, and each of the five supporting circular plates is provided with a processing part for internally supporting and internally grinding the alloy, and a driving part for controlling the operation of the processing part is provided above the processing part.

[0015] The lower end surface of the supporting circular plate is provided with six sliding grooves in a circumferential array, the lower end surface of the supporting circular plate is fixedly provided with a cylindrical shell, and the outer wall of the circumferential shell is provided with mounting grooves corresponding to the six sliding grooves.

[0016] The annular shell is provided with an adjustment mechanism for cooperating with the processing part to exchange the inner support and the inner grinding. The lower end surface of the annular shell is provided with a cover for containing the alloy and sealing the annular shell into a whole. The outer wall of the annular shell is also provided with a support part.

[0017] Preferably, the processing part includes an arc-shaped supporting block slidably arranged inside six mounting grooves, and the lower end faces of the arc-shaped supporting blocks are slidably arranged in the corresponding sliding grooves through circular rods. The processing part also includes a plurality of teeth fixedly arranged on the outer wall of the supporting circular plate in a circular array. The arc-shaped supporting block is used to support and internally grind the inner wall of the alloy, and a chamfer is provided at one end where the lower end faces of the six arc-shaped supporting blocks are close to each other.

[0018] Preferably, the driving part includes a driving motor fixedly arranged on the upper end surface of the annular shell, the output shaft of the driving motor rotates and passes through the annular shell, and the lower end of the output shaft of the driving motor is fixedly provided with a driving gear that is always meshed with the teeth on the supporting circular plate. The driving part also includes a cutting group arranged below the driving gear for processing the outer wall of the alloy.

[0019] Preferably, the cutting group includes a circular column fixedly arranged on the lower end surface of the driving gear, the outer walls of the upper and lower ends of the circular column are respectively provided with spiral grooves with opposite rotation directions, and the outer wall of the circular column is provided with three annular mounting blocks distributed in the up and down directions, the upper and lower annular mounting blocks are respectively threadedly connected to the corresponding threaded grooves, and a rectangular block with a cavity inside is fixedly arranged at the positions of the outer walls of the upper and lower annular mounting blocks corresponding to the five supporting circular plates, a cutting knife is slidably arranged in the cavity inside the rectangular block through a spring, the cutting edge of the cutting knife is installed on the side away from the annular mounting block, and the non-cutting edge side of the cutting knife is arranged as an inclined surface.

[0020] Preferably, the drive group also includes a strip block fixedly arranged on the outer wall of the middle annular mounting block, and five strip blocks are provided and are respectively located between the upper and lower rectangular blocks, and the upper and lower ends of the strip blocks are arranged as beveled edges matching the inclined surface of the cutting blade and slide through the corresponding rectangular blocks respectively, and the side wall of the strip block also has two locking grooves distributed in the up and down directions.

[0021] Preferably, a rectangular through groove is provided on the upper end surface of the annular shell at positions corresponding to two adjacent supporting circular plates, an avoidance through groove is also provided at the center position of the upper end surface of the annular shell, and five hexagonal limit grooves are provided upward in a circular array on the lower end surface of the annular shell.

[0022] Preferably, the supporting part includes an annular base fixedly arranged on the outer wall of the annular shell, a plurality of shaped frames distributed in a circumferential direction are fixedly arranged on the outer wall of the annular base, a telescopic push rod 1 is fixedly arranged at the center position of the upper end surfaces of the plurality of shaped frames, sliding grooves are opened on the side walls adjacent to each other, the covering cover is slidably arranged inside the corresponding sliding grooves through a plurality of sliding blocks, a multi-stage telescopic push rod 2 is fixedly arranged at the center position of the lower end surfaces of the plurality of shaped frames, and the first-stage telescopic section of the telescopic push rod 2 is fixedly connected to the covering cover through a connecting frame.

[0023] Preferably, the adjusting mechanism comprises a wedge block, five of which are provided and are slidably arranged inside the rectangular through groove, and an annular plate 1 is fixedly arranged on the upper end surfaces of the five wedge blocks together, and a circular base with a cavity arranged inside is installed at the center position of the annular plate 1, and the circular base is located directly above the driving motor and is fixedly connected to the telescopic section of the telescopic push rod 1, and five connecting plates 1 fixedly connected to the inner wall of the annular plate 1 are fixedly arranged on the circumferential outer wall of the circular base, and the adjusting mechanism also comprises five engaging groups arranged on the inner side wall of the annular shell through roller rotation, and the five engaging groups are respectively arranged between two adjacent supporting circular plates, and each engaging group comprises two clamping blocks in contact with the outer wall of the alloy, and the adjacent sides of the two clamping blocks are provided with an inclined surface downward, and the wedge block is located between the inclined surfaces of the two clamping blocks.

[0024] Preferably, the cross-section of the cover is U-shaped, and a hexagonal limit column with an outer wall of an electromagnet is fixedly provided at the position corresponding to the five hexagonal limit grooves on the upper end surface of the higher part of the cover, and a supporting platform for supporting the alloy is fixedly provided in a circular array on the upper end surface of the lower part of the cover, and a circular through groove that runs through the supporting platform and the cover is opened downward at the center position of the supporting platform, and a matching group for cooperating with the processing part is also installed on the cover.

[0025] Preferably, the matching group includes a conical plug that matches the inclined surface of the arc-shaped supporting block, and five of the conical plugs are provided and slide respectively inside the circular through groove. The lower end surface of the conical plug is rotatably connected to an annular plate 2 through a round rod, and the inner side wall of the annular plate 2 is fixedly provided with five connecting plates 2 in a circular array. The adjacent ends of the five connecting plates 2 are commonly fixedly connected with a disc, and the disc is fixedly connected to the secondary telescopic section of the telescopic push rod 2.

[0026] Compared with the prior art, the embodiments of the present invention provide the following beneficial effects:

[0027] 1. The present invention adopts alternating fixation of inner support and outer clasping to realize different processing work on the alloy, combines the cutting work of the alloy outer wall with the grinding work of the alloy inner wall into a whole, ensures the continuity of alloy processing, and avoids problems such as low processing efficiency caused by multiple clamping.

[0028] 2. The present invention is provided with a plurality of processing stations, and the cutting and grinding of a plurality of alloys can be completed simultaneously through a single drive, which further improves the efficiency of the alloy processing work while ensuring the integration of the alloy processing work. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a process flow chart of hot working of copper-chromium-nickel-silicon alloy.

[0030] Figure 2 It is a three-dimensional structural schematic diagram of the present invention.

[0031] Figure 3 It is an exploded view (from top to bottom) of the cover and the annular housing in the first position of the present invention.

[0032] Figure 4 It is an exploded view (from bottom to top) of the cover and the annular shell in the second position of the present invention.

[0033] Figure 5 It is a partial structural schematic diagram of the sealing cover in the present invention.

[0034] Figure 6 yes Figure 5 Schematic diagram of the plan view of the middle cover structure.

[0035] Figure 7 It is a schematic diagram of the annular housing after removing the adjustment mechanism in the present invention.

[0036] Figure 8 It is a bottom view of the internal structure of the annular shell in the present invention.

[0037] Fig. 9 It is a three-dimensional structural schematic diagram of part of the actuator in the present invention.

[0038] Fig.10 It is a schematic diagram of the positional relationship between the alloy and the cutting group in the present invention.

[0039] Fig.11 It is a cross-sectional view of a partial structure of the actuator in the present invention.

[0040] Fig.12 It is a schematic diagram of the three-dimensional structure of the cutting group in the present invention.

[0041] Fig.13 It is a schematic diagram of the positional relationship between the cutting blade and the strip block in the present invention.

[0042] Fig.14 It is a three-dimensional schematic diagram of the supporting frame part structure in the present invention.

[0043] Fig.15 It is a plan view of the alloy after external thread cutting.

[0044] Reference numerals in the figure: 1, annular housing; 11, rectangular through slot; 13, hexagonal limit slot; 2, actuator; 21, supporting circular plate; 211, sliding slot; 212, cylindrical housing; 213, mounting slot; 22, processing portion; 221, arc-shaped bearing block; 222, teeth; 23, driving portion; 231, driving motor; 232, driving gear; 233, cutting group; 2331, circular column; 2332, annular mounting block; 2333, rectangular block; 2334, cutting blade; 2335, strip shaped block; 2336, locking groove; 3, adjusting mechanism; 31, wedge block; 32, annular plate one; 33, circular support platform; 34, connecting plate one; 35, tightening block; 4, sealing cover; 41, hexagonal limit column; 42, support platform; 43, matching group; 431, conical plug; 432, annular plate two; 433, connecting plate two; 434, disc; 5, supporting part; 51, annular support platform; 52, profile frame; 521, sliding groove; 53, telescopic push rod one; 54, telescopic push rod two; 55, connecting frame. DETAILED DESCRIPTION

[0045] The following is combined with Figure 1-15 This application is further described in detail.

[0046] Please refer to Figure 1 , Figure 2 , Figure 4 , Fig.14 and Fig.15 , a copper-chromium-nickel-silicon alloy heat treatment process, comprising the following steps:

[0047] S1. Melting and casting: First, pure copper and other alloy elements such as chromium, nickel, silicon, etc. are mixed in a predetermined proportion and melted at a high temperature; then the molten metal is poured into a pre-prepared mold for casting to obtain a casting.

[0048] S2. Homogenization treatment: The casting is heated at a certain temperature for a long time and then slowly cooled. The above homogenization treatment is used to eliminate component segregation and microstructural inhomogeneity.

[0049] S3. Hot rolling treatment: The castings after homogenization treatment are hot rolled to form the required shape and size. The hot working temperature should be controlled within a suitable range to ensure that the material has good plasticity and fluidity.

[0050] S4, solution treatment: The casting is heated to a temperature close to but below the melting point of the alloy, kept for a period of time and then rapidly cooled, in order to fully dissolve the alloy elements into the matrix and improve the hardness and strength of the material.

[0051] S5. Aging treatment: After solution treatment, the casting is kept at a low temperature for a period of time to promote the formation of precipitation phase, thereby improving the mechanical properties of the alloy.

[0052] S6. Final processing and surface treatment: First, several alloys are placed in the alloy grinding equipment, and then the alloy grinding and cutting equipment is started. The internal support is used to drive the alloys to rotate. During the rotation, the threads on the outer wall of the alloy are cut, and the inner wall of the alloy is ground by the bonding and fixing of the outer wall of the alloy.

[0053] The above step S6 is completed with a copper-chromium-nickel-silicon alloy heat processing equipment, which specifically includes an annular shell 1, the lower end of the annular shell 1 is open, the upper end of the annular shell 1 is closed, and the interior of the annular shell 1 is provided with an actuator 2 for processing the alloy, and the annular shell 1 is provided with an adjustment mechanism 3 for cooperating with the processing part 22 to exchange the internal support and internal grinding. The lower end surface of the annular shell 1 is installed with a cover 4 for holding the alloy and sealing the annular shell 1 into a whole, and the outer wall of the annular shell 1 is also installed with a support part 5.

[0054] Please refer to Figure 8 The actuator 2 includes five supporting circular plates 21 rotatably arranged in a circular array inside the annular shell 1, and the five supporting circular plates 21 are each provided with a processing portion 22 for internal support and internal grinding of the alloy, and a driving portion 23 for controlling the operation of the processing portion 22 is provided above the processing portion 22.

[0055] During the specific operation, a number of alloys are first placed on the cover 4, and then the cover 4 drives the alloys placed thereon to move upward and into the inside of the annular shell 1, and then the annular shell 1 is sealed into a whole by the cover 4, and then the driving part 23 drives the processing part 22 to realize the internal support work of the alloy. While the internal support work is in progress, the outer wall of the alloy is cut by the driving part 23. When the cutting is completed, the adjustment mechanism 3 is started, and the grinding work of the inside of the alloy is completed through the cooperation between the adjustment mechanism 3 and the processing part 22. Finally, when the cutting and grinding work is completed, the cover 4 is removed, and a new alloy is replaced for processing.

[0056] Please refer to Figure 1 and Fig.14The support portion 5 includes an annular support platform 51 fixedly arranged on the outer wall of the annular shell 1, and a plurality of shaped frames 52 distributed in a circumferential direction are fixedly arranged on the outer wall of the annular support platform 51, and a telescopic push rod 1 53 is fixedly arranged at the center position of the upper end surfaces of the plurality of shaped frames 52, and a sliding groove 521 is opened on the side walls adjacent to the plurality of shaped frames 52, and the cover 4 is slidably arranged inside the corresponding sliding groove 521 through a plurality of sliding blocks, and a multi-stage telescopic push rod 2 54 is fixedly arranged at the center position of the lower end surfaces of the plurality of shaped frames 52, and the first-stage telescopic section of the telescopic push rod 2 54 is fixedly connected to the cover 4 through a connecting frame 55.

[0057] Please refer to Figure 3 , Figure 7 and Fig.11 A rectangular through groove 11 is provided on the upper end surface of the annular shell 1 at the positions corresponding to the two adjacent supporting circular plates 21, and an avoidance through groove is also provided at the center position of the upper end surface of the annular shell 1. Five hexagonal limiting grooves 13 are provided upward in a circular array on the lower end surface of the annular shell 1, and six sliding grooves 211 are provided in a circular array on the lower end surface of the supporting circular plate 21. A cylindrical shell 212 is fixedly provided on the lower end surface of the supporting circular plate 21, and an installation groove 213 is provided on the outer wall of the cylindrical shell 212 corresponding to the six sliding grooves 211.

[0058] Please refer to Figure 3 and Figure 5 The cross section of the cover 4 is U-shaped, and a hexagonal limit column 41 with an outer wall of an electromagnet is fixedly arranged at the position corresponding to the five hexagonal limit grooves 13 on the upper end surface of the higher part of the cover 4, and a supporting platform 42 for supporting the alloy is fixedly arranged in a circular array on the upper end surface of the lower part of the cover 4, and a circular through groove penetrating the supporting platform 42 and the cover 4 is opened downward at the center position of the supporting platform 42, and a matching group 43 for cooperating with the processing part 22 is also installed on the cover 4.

[0059] Please refer to Fig.11 and Fig.12 The processing part 22 includes an arc-shaped support block 221 slidably set inside the six installation grooves 213, and the lower end surfaces of the arc-shaped support blocks 221 are slidably set in the corresponding sliding grooves 211 through circular rods. The processing part 22 also includes a plurality of teeth 222 fixedly set on the outer wall of the supporting circular plate 21 in a circular array. The arc-shaped support block 221 is used to support and internally grind the inner wall of the alloy, and a chamfer is set at the end close to the lower end surfaces of the six arc-shaped support blocks 221.

[0060] Please refer to Figure 4 , Figure 5 , Figure 6 and Fig.14The matching group 43 includes a conical plug 431 that matches the inclined surface of the arc-shaped bearing block 221. Five conical plugs 431 are provided and slide respectively inside the circular through groove. The lower end surface of the conical plug 431 is rotatably connected to an annular plate 432 through a round rod. Five connecting plates 433 are fixedly provided on the inner side wall of the annular plate 432 in a circular array. The adjacent ends of the five connecting plates 433 are commonly fixedly connected with a disc 434. The disc 434 is fixedly connected to the secondary telescopic section of the telescopic push rod 54.

[0061] Place the five alloys on the corresponding supporting platform 42, and then control the telescopic push rod 2 54 to extend. At the same time, the first-level telescopic section of the telescopic push rod 2 54 drives the cover 4 and the five alloys to move upward synchronously, and makes the hexagonal limit column 41 move to the corresponding hexagonal limit groove 13. At this time, the five alloys are respectively sleeved on the outer wall of the corresponding cylindrical shell 212, and then the power supply of the electromagnet on the hexagonal limit column 41 is turned on to seal the annular shell 1 and the cover 4 into a whole, thereby completing the preliminary preparation work for alloy processing.

[0062] When the alloy is located inside the annular shell 1, the secondary telescopic section of the telescopic push rod 254 is controlled to extend. At this time, the annular plate 2432 moves upward synchronously driven by the connecting plate 2433. When the annular plate 2432 moves upward, the conical plugs 431 arranged thereon respectively cooperate with the arc-shaped bearing blocks 221 upward, so that the six arc-shaped bearing blocks 221 expand outward along the corresponding sliding grooves 211 and the mounting grooves 213 and contact with the inner wall of the alloy. As the secondary telescopic section of the telescopic push rod 254 is gradually extended, the arc-shaped bearing blocks 221 are gradually pressed against the inner wall of the alloy, thereby completing the limiting work before the alloy cutting work.

[0063] Please refer to Figure 8 and Fig.10 The driving part 23 includes a driving motor 231 fixedly arranged on the upper end surface of the annular shell 1, the output shaft of the driving motor 231 passes through the avoidance groove, and the lower end of the output shaft of the driving motor 231 is fixedly provided with a driving gear 232 that is always meshed with the teeth 222 on the supporting circular plate 21. The driving part 23 also includes a cutting group 233 arranged below the driving gear 232 for processing the outer wall of the alloy.

[0064] Please refer to Fig. 9 , Fig.12 and Fig.13The cutting group 233 includes a circular column 2331 fixedly arranged on the lower end surface of the driving gear 232, and the outer walls of the upper and lower ends of the circular column 2331 are respectively provided with spiral grooves with opposite rotation directions. The outer wall of the circular column 2331 is provided with three annular mounting blocks 2332 along the up and down directions. The upper and lower annular mounting blocks 2332 are respectively threadedly connected with the corresponding thread grooves, and a rectangular block 2333 with a cavity inside is fixedly arranged at the position of the outer walls of the upper and lower annular mounting blocks 2332 corresponding to the five supporting circular plates 21, and a cutting knife 2334 is provided in the cavity inside the rectangular block 2333 through spring sliding, and the cutting edge of the cutting knife 2334 is installed on the side away from the annular mounting block 2332, and the non-cutting side of the cutting knife 2334 is set as an inclined surface.

[0065] Please refer to Fig.12 The driving group also includes a strip block 2335 fixedly arranged on the outer wall of the middle annular mounting block 2332. There are five strip blocks 2335 and they are respectively located between the upper and lower rectangular blocks 2333. The upper and lower ends of the strip block 2335 are arranged as bevel edges matching the inclined surfaces of the cutting blades 2334 and slide through the corresponding rectangular blocks 2333 respectively. The side wall of the strip block 2335 also has two locking grooves 2336 distributed in the up and down directions.

[0066] When the alloy completes the locking work, the driving motor 231 is started to drive the active gear 232 to engage the teeth 222 of the five supporting circular plates 21. At this time, the alloy located on the supporting circular plate 21 rotates synchronously with the supporting circular plate 21 under the pressure of the arc-shaped bearing block 221. At the same time, the active gear 232 drives the circular column 2331 on its lower end face to rotate when rotating. When the circular column 2331 rotates, the annular mounting blocks 2332 and the rectangular block 2333 arranged at its upper and lower ends approach synchronously along the spiral groove. When the upper and lower rectangular blocks 2333 approach synchronously, the inclined surface of the cutting knife 2334 arranged inside them contacts and cooperates with the inclined surface of the strip block 2335, so that the cutting knife 2334 extends out of the rectangular block 2333 and contacts the outer wall of the alloy. The cutting work of the alloy external thread is completed by the synchronous approach of the upper and lower cutting knives 2334 and the rotation of the alloy.

[0067] As the driving motor 231 drives the active gear 232 to rotate continuously, the upper and lower cutting knives 2334 synchronously approach and move into the locking groove 2336 on the side wall of the bar block 2335, the spring on the cutting knife 2334 quickly resets and pulls the cutting edge of the cutting knife 2334 away from the outer wall of the alloy through the rebound force, thereby completing the work of retracting the cutting knife for cutting the external thread.

[0068] Please refer to Figure 1 , Figure 3 and Fig. 9The adjusting mechanism 3 comprises a wedge block 31, five of which are provided and are slidably arranged inside the rectangular through groove 11, and an annular plate 32 is fixedly arranged on the upper end surfaces of the five wedge blocks 31. A circular support 33 with a cavity arranged inside is installed at the center position of the annular plate 32. The circular support 33 is located directly above the driving motor 231 and is fixedly connected to the telescopic section of the telescopic push rod 53. Five connecting plates 34 fixedly connected to the annular plate 32 are fixedly arranged on the circumferential outer wall of the circular support 33.

[0069] Please refer to Figure 4 , Figure 8 and Fig. 9 The adjustment mechanism 3 also includes five engaging groups rotatably arranged on the inner wall of the annular shell 1 through a roller shaft (not shown in the drawings), and the five engaging groups are respectively arranged between two adjacent supporting circular plates 21. Each engaging group includes two clamping blocks 35 in contact with the outer wall of the alloy. The sides of the two clamping blocks 35 that are close to each other are both provided with inclined surfaces facing downward, and the wedge block 31 is located between the inclined surfaces of the two clamping blocks 35.

[0070] When the external thread cutting of the alloy is completed, first control the secondary telescopic section of the telescopic push rod 2 54 to drive the annular plate 2 432 and several conical plugs 431 to move downward, and then control the telescopic push rod 1 53 to push the annular plate 1 32 and the wedge block 31 to move downward. At this time, the wedge block 31 cooperates with the inclined surfaces on both sides of the wedge block 31 and the inclined surfaces of the clamping block 35, so that the two clamping blocks 35 slide along the annular shell 1 and hold and fix the outer wall of the alloy.

[0071] Next, when the outer wall of the alloy is clamped and fixed, the secondary telescopic section of the telescopic push rod 254 is controlled to drive the conical plug 431 to move upward and drive the corresponding arc-shaped bearing block 221 to slide along the mounting groove 213 and the sliding groove 211. At this time, the arc-shaped bearing block 221 completes the resistance work against the inside of the alloy, and then the driving motor 231 is started to drive the driving gear 232 and the driven gear to rotate. Since the outer wall of the alloy is clamped and fixed, the supporting circular plate 21 can only drive the arc-shaped bearing block 221 to rotate and realize the grinding work on the inner wall of the alloy when it rotates.

[0072] Finally, when the inner wall of the alloy is polished, the secondary telescopic sections of the telescopic push rod 1 53 and the telescopic push rod 2 54 are controlled to reset, and then the power supply of the electromagnet on the hexagonal limit column 41 is disconnected and the cover 4 is driven away from the annular shell 1 through the retraction of the primary telescopic section of the telescopic push rod 2 54, and then the cutting waste on the cover 4 is cleaned and replaced with new alloy for the next processing work.

[0073] In the description of the embodiments of the present invention, it should be noted that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention. In addition, in the description of the present invention, unless otherwise specified, "multiple", "multiple roots", and "multiple groups" mean two or more.

[0074] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connect", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0075] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A copper-chromium-nickel-silicon alloy heat treatment process, characterized in that: The following steps are involved: S1. Melting and casting: First, pure copper and other alloy elements such as chromium, nickel, silicon, etc. are mixed in a predetermined ratio and melted at a high temperature; then the molten metal is poured into a pre-prepared mold for casting to obtain a casting; S2, homogenization treatment: the casting is heated at a certain temperature for a long time, and then slowly cooled; S3. Hot rolling treatment: The castings after homogenization treatment are formed into the required shape and size by hot rolling; the hot working temperature should be controlled within a suitable range to ensure that the material has good plasticity and flow; S4, solution treatment: heating the casting to a temperature close to but below the melting point of the alloy, keeping it for a period of time and then cooling it rapidly; S5. Aging treatment: After solution treatment, the casting is kept at a low temperature for a period of time to promote the formation of precipitation phase, thereby improving the mechanical properties of the alloy; S6. Final processing and surface treatment: First, several alloys are placed in the alloy grinding equipment, and then the alloy grinding and cutting equipment is started, and the alloys are driven to rotate by means of internal support, and the threads on the outer wall of the alloy are cut during the rotation, and the inner wall of the alloy is ground by the bonding and fixing of the outer wall of the alloy; The above step S6 is completed by using a copper-chromium-nickel-silicon alloy heat treatment equipment, which specifically comprises: an annular shell (1), the lower end of the annular shell (1) is open, the upper end of the annular shell (1) is closed, and the inside of the annular shell (1) is provided with an actuator (2) for processing the alloy; The actuator (2) comprises five supporting circular plates (21) rotatably arranged in a circular array inside the annular housing (1), each of the five supporting circular plates (21) being provided with a processing portion (22) for internally supporting and internally grinding the alloy, and a driving portion (23) for controlling the operation of the processing portion (22) being provided above the processing portion (22); The lower end surface of the supporting circular plate (21) is provided with six sliding grooves (211) in a circumferential array, a cylindrical shell (212) is fixedly provided on the lower end surface of the supporting circular plate (21), and an outer wall of the circumferential shell is provided with mounting grooves (213) corresponding to the six sliding grooves (211); The annular shell (1) is provided with an adjustment mechanism (3) for cooperating with the processing portion (22) to exchange internal support and internal grinding. The lower end surface of the annular shell (1) is provided with a cover (4) for containing the alloy and sealing the annular shell (1) into a whole. The outer wall of the annular shell (1) is also provided with a support portion (5).

2. A copper-chromium-nickel-silicon alloy heat treatment process according to claim 1, characterized in that: The processing portion (22) includes an arc-shaped support block (221) slidably arranged inside six installation grooves (213), and the lower end faces of the arc-shaped support blocks (221) are slidably arranged in the corresponding sliding grooves (211) through circular rods. The processing portion (22) also includes a plurality of teeth (222) fixedly arranged on the outer wall of the supporting circular plate (21) in a circular array. The arc-shaped support block (221) is used to support and perform internal grinding on the inner wall of the alloy, and a chamfer is arranged at one end of the lower end faces of the six arc-shaped support blocks (221) that are close to each other.

3. A copper-chromium-nickel-silicon alloy heat treatment process according to claim 1, characterized in that: The driving part (23) comprises a driving motor (231) fixedly arranged on the upper end surface of the annular shell (1); the output shaft of the driving motor (231) rotates and penetrates the annular shell (1); a driving gear (232) which is always meshed with the teeth (222) on the supporting circular plate (21) is fixedly arranged at the lower end of the output shaft of the driving motor (231); and the driving part (233) further comprises a cutting group (233) arranged below the driving gear (232) for processing the outer wall of the alloy.

4. A copper-chromium-nickel-silicon alloy heat treatment process according to claim 3, characterized in that: The cutting group (233) comprises a circular column (2331) fixedly arranged on the lower end surface of the driving gear (232), the outer walls of the upper end and the lower end of the circular column (2331) are respectively provided with spiral grooves of opposite rotation directions, the outer wall of the circular column (2331) is provided with three annular mounting blocks (2332) distributed in the up-down direction, the upper and lower annular mounting blocks (2332) are respectively threadedly connected with the corresponding thread grooves, and a rectangular block (2333) with a cavity inside is fixedly arranged at the position of the outer wall of the upper and lower annular mounting blocks (2332) corresponding to the five supporting circular plates (21), a cutting knife (2334) is slidably arranged in the cavity inside the rectangular block (2333) through a spring, the cutting edge of the cutting knife (2334) is installed on the side away from the annular mounting block (2332), and the non-cutting edge side of the cutting knife (2334) is arranged as an inclined surface.

5. A copper-chromium-nickel-silicon alloy heat treatment process according to claim 4, characterized in that: The driving group also includes a strip block (2335) fixedly arranged on the outer wall of the middle annular mounting block (2332), and five strip blocks (2335) are provided and are respectively located between the upper and lower rectangular blocks (2333), and the upper and lower ends of the strip block (2335) are arranged as bevel edges matching the inclined surface of the cutting blade (2334) and respectively slide through the corresponding rectangular blocks (2333), and the side wall of the strip block (2335) is also provided with two locking grooves (2336) distributed in the upper and lower directions.

6. A copper-chromium-nickel-silicon alloy heat treatment process according to claim 1, characterized in that: A rectangular through groove (11) is provided on the upper end surface of the annular shell (1) at positions corresponding to two adjacent supporting circular plates (21), an avoidance through groove (12) is also provided at the center position of the upper end surface of the annular shell (1), and five hexagonal limiting grooves (13) are provided upward in a circular array on the lower end surface of the annular shell (1).

7. A copper-chromium-nickel-silicon alloy heat treatment process according to claim 1, characterized in that: The support portion (5) includes an annular support platform (51) fixedly arranged on the outer wall of the annular shell (1), and a plurality of shaped frames (52) distributed in a circumferential direction are fixedly arranged on the outer wall of the annular support platform (51), and a telescopic push rod 1 (53) is fixedly arranged at the center position of the upper end surfaces of the plurality of shaped frames (52), and a sliding groove (521) is opened on the side walls adjacent to the plurality of shaped frames (52), and the cover (4) is slidably arranged in the corresponding sliding groove (521) through a plurality of sliding blocks, and a multi-stage telescopic push rod 2 (54) is fixedly arranged at the center position of the lower end surfaces of the plurality of shaped frames (52), and the first-stage telescopic section of the telescopic push rod 2 (54) is fixedly connected to the cover (4) through a connecting frame (55).

8. A copper-chromium-nickel-silicon alloy heat treatment process according to claim 6, characterized in that: The adjustment mechanism (3) comprises a wedge block (31), wherein five wedge blocks (31) are provided and are respectively slidably arranged inside the rectangular through groove (11), and an annular plate (32) is fixedly arranged on the upper end surfaces of the five wedge blocks (31), and a circular support (33) whose interior is arranged as a cavity is installed at the center position of the annular plate (32), and the circular support (33) is located directly above the driving motor (231) and is fixedly connected to the telescopic section of the telescopic push rod (53), and the circumference of the circular support (33) is The wall is fixedly provided with five connecting plates (34) fixedly connected to the inner wall of the annular plate (32); the adjusting mechanism (3) further comprises five engaging groups which are arranged on the inner wall of the annular shell (1) by means of roller rotation; the five engaging groups are respectively arranged between two adjacent supporting circular plates (21); each engaging group comprises two abutting blocks (35) in contact with the outer wall of the alloy; the adjacent sides of the two abutting blocks (35) are both provided with inclined surfaces facing downwards; the wedge block (31) is located between the inclined surfaces of the two abutting blocks (35).

9. A copper-chromium-nickel-silicon alloy heat treatment process according to claim 1, characterized in that: The cross section of the cover (4) is U-shaped. A hexagonal limit column (41) whose outer wall is an electromagnet is fixedly arranged at the position corresponding to the five hexagonal limit grooves (13) on the upper end surface of the higher part of the cover (4). A supporting platform (42) for supporting the alloy is fixedly arranged in a circular array on the upper end surface of the lower part of the cover (4). A circular through groove penetrating the supporting platform (42) and the cover (4) is opened downward at the center position of the supporting platform (42). A matching group (43) for matching the processing part (22) is also installed on the cover (4).

10. A copper-chromium-nickel-silicon alloy heat treatment process according to claim 9, characterized in that: The matching group (43) includes a conical plug (431) that matches the inclined surface of the arc-shaped bearing block (221). Five conical plugs (431) are provided and slide respectively inside the circular through groove. The lower end surface of the conical plug (431) is rotatably connected to the annular plate 2 (432) through a round rod. The inner side wall of the annular plate 2 (432) is fixedly provided with five connecting plates 2 (433) in a circular array. The adjacent ends of the five connecting plates 2 (433) are fixedly connected with a disc (434). The disc (434) is fixedly connected to the secondary telescopic section of the telescopic push rod 2 (54).

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