Special hydraulic joint processing cold header and its process

Abstract

The application discloses a cold header special for hydraulic joint processing and a process thereof. The cold header comprises a cold header, a material guiding structure, a cutting device, a feeding structure, a cold heading structure and a discharging structure are sequentially arranged in the cold header. The cold heading structure comprises a fixed shell, a stamping structure, a punching structure and a chamfering structure are arranged on one side in the fixed shell, a stamping die and a chamfering fixing piece are arranged at the middle position in the fixed shell, and a first air cylinder and a second air cylinder are arranged on the other side of the fixed shell. The hydraulic joint produced by the stamping structure, the punching structure and the chamfering structure is free of notches, the breaking of the hydraulic joint in use can be avoided, the service life of the hydraulic joint is prolonged, the breaking of the hydraulic joint in chamfering can be avoided, no additional chamfering equipment, punching device, polishing device and welding equipment are needed, and the processing cost is low.

Description

Technical Field

[0001] This invention relates to the field of cold heading machine technology, specifically to a cold heading machine and its process for processing hydraulic joints. Background Technology

[0002] Cold heading is a novel metal forming process that involves minimal cutting. It utilizes the plastic deformation of metal under external force, and with the aid of a die, redistributes and transfers the metal volume to form the desired part or blank. Cold heading is best suited for producing standard fasteners such as bolts, screws, nuts, rivets, and pins.

[0003] Existing hydraulic joints can also be formed by cold heading machine. During the production and processing of hydraulic joints, two sections of metal raw materials need to be extruded and then welded together by welding equipment. Then, holes are made by drilling equipment, and finally the hydraulic joint with holes is polished to complete the process.

[0004] Because the hydraulic joint produced by the above process is welded from two sections of formed metal raw materials, there is a gap in the inner wall of the hydraulic joint. During the use of the hydraulic joint, it is easy to break at the gap, resulting in a limited service life. Furthermore, the hydraulic joint produced by the above process is prone to breakage when chamfering. Therefore, a special cold heading machine and its process for processing hydraulic joints are needed. Summary of the Invention

[0005] The purpose of this invention is to provide a special cold heading machine and process for processing hydraulic joints, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a special cold heading machine for hydraulic joint processing and its process, comprising a cold heading machine, wherein a material guiding structure, a cutting device, a feeding structure, a cold heading structure and a discharge structure are sequentially installed inside the cold heading machine.

[0007] The cold heading structure includes a fixed housing. A stamping structure, a punching structure, and a chamfering structure are installed on one side of the fixed housing. A stamping die and a chamfering fixing component are installed in the middle of the fixed housing. A first cylinder and a second cylinder are installed on the other side of the fixed housing. A movable plate is installed at the output end of the first cylinder. Multiple ejector pins are arranged at equal intervals on one side of the movable plate. A chamfered ejector pin is installed at the output end of the second cylinder.

[0008] By adopting the above technical solution, the metal raw material is subjected to cold heading, hole opening and polishing operations through the cooperation between the stamping structure, drilling structure, chamfering structure, stamping die and chamfering fastener in the cold heading structure. If it is necessary to chamfer the hydraulic joint, the hydraulic joint can be chamfered through the chamfering structure.

[0009] Preferably, the stamping structure within the cold heading structure includes a movable frame, with the movable frame movably mounted at one end of one side of the fixed housing. Multiple stamped parts are equidistantly arranged inside the movable frame. The drilling structure within the cold heading structure includes a fixed frame, with a fixed frame mounted at the other end of the movable frame. A servo motor is installed inside the fixed frame, and a main gear is mounted at the output end of the servo motor. Secondary gears are rotatably mounted at both ends of the other side of the fixed frame. A drill bit and a polishing roller are respectively mounted at both ends of the other side of the fixed frame. The chamfering structure within the cold heading structure includes a fixed plate, with a fixed plate mounted at the other end of the fixed frame. A chamfering plate is rotatably mounted on the other side of the top of the fixed plate, and a hydraulic cylinder is rotatably mounted at the middle position of the top of the fixed plate.

[0010] By adopting the above technical solution, the cold heading structure is equipped with a transmission structure, which can drive the metal raw material to move within the cold heading structure. The metal raw material can be stamped in the stamping die through the stamping parts, and the servo motor can drive the main gear to rotate, thereby driving the secondary gear to rotate, causing the drill bit and polishing roller to rotate, thus enabling drilling of the hydraulic structure blank and grinding and polishing of the holes. Then, the hydraulic cylinder can drive the chamfering plate to rotate on the fixed plate, thereby enabling the chamfering operation of the hydraulic joint through the chamfering plate.

[0011] Preferably, the stamping die has multiple stamping dies installed in parallel, and the chamfering fixing member is located in the middle of the fixed housing relative to the other end of the stamping die. The stamping die includes a first base, a first connecting cylinder is installed on one side of the first base, a first top cover is installed on one side of the first connecting cylinder, and a die liner is installed inside the first connecting cylinder. The chamfering fixing member includes a second base, a second connecting cylinder is installed on one side of the second base, a second top cover is installed on one side of the second connecting cylinder, and a fixing member liner is installed inside the second connecting cylinder.

[0012] By adopting the above technical solution, workers can remove the first base, the first top cover, the second base, and the second top cover from the first connecting cylinder and the second connecting cylinder, which facilitates workers to quickly disassemble and replace the mold inner liner and the fixing component inner liner.

[0013] Preferably, the installation positions of the multiple stamping parts on the movable frame correspond to the installation positions of the multiple stamping dies, and the installation position of the chamfered structure inside the fixed housing corresponds to the installation position of the chamfered fixing part.

[0014] By adopting the above technical solution, the installation positions of the stamping parts and stamping dies correspond to those of the chamfered structure and chamfered fixing parts, which facilitates the processing of hydraulic joints.

[0015] Preferably, the mounting positions of the plurality of ejector pins on the movable plate correspond to the mounting positions of the stamping die, and the mounting positions of the chamfering ejector pins correspond to the mounting positions of the chamfering fasteners.

[0016] By adopting the above technical solution, the hydraulic joints inside the stamping die and chamfered fixing parts can be ejected by multiple ejector pins and chamfered ejector pins.

[0017] Preferably, the main gear and the auxiliary gear mesh with each other, and both ends of the other side of the fixing frame are provided with rotating openings. The drill bit and the polishing roller are respectively connected to the side wall of the auxiliary gear through the rotating openings.

[0018] By adopting the above technical solution, the servo motor can drive the main gear to rotate, which in turn drives the auxiliary gear to rotate, thereby driving the drill bit and polishing roller to rotate, which facilitates the drilling and polishing operations of the hydraulic joint in the cold heading machine.

[0019] Preferably, a groove is provided at the middle position of the top of the fixing plate, and a rotating hole is provided on one side of both ends of the fixing plate. A rotating component is provided on one side of the hydraulic cylinder. The fixing plate is rotatably connected to the hydraulic cylinder through the rotating hole and the rotating component. A chamfer groove is provided at the middle position of the top of the chamfer plate, and a connecting component is provided at the middle position of the bottom of the chamfer plate. The output end of the hydraulic cylinder is rotatably connected to the chamfer plate through the connecting component.

[0020] By adopting the above technical solution, the hydraulic cylinder can push the chamfering plate to rotate on the fixed plate, and the groove can restrict the hydraulic joint to avoid slippage during the chamfering process.

[0021] Preferably, the outer sides of the first base, the first top cover, the second base, and the second top cover, as well as the two sides of the inner walls of the first connecting cylinder and the second connecting cylinder, are all provided with threads.

[0022] By adopting the above technical solution, the first base, the first top cover, the second base, and the second top cover are threaded onto the first connecting cylinder and the second connecting cylinder, which facilitates the replacement of the mold liner and the fixing liner inside the first connecting cylinder and the second connecting cylinder.

[0023] Preferably, a guide groove is provided on the top of one side of the chamfered fastener.

[0024] By adopting the above technical solution, the guide groove can assist in the chamfering angle of the hydraulic joint.

[0025] A hydraulic joint processing technology, the process is as follows:

[0026] Feeding: The metal raw material is introduced into the cold heading machine through the feeding structure;

[0027] Cutting: The process of separating raw metal materials into segments using a cutting device;

[0028] Feeding: The segmented metal raw materials are fed into the cold heading structure;

[0029] Cold heading: Cold heading of segmented metal raw materials using a cold heading structure;

[0030] Drilling: The cold-forged hydraulic connector blank is drilled through a drilling structure;

[0031] Polishing: Polishing the holes on the hydraulic connector using a polishing roller;

[0032] Chamfering: The polished hydraulic joint is chamfered using a chamfering structure;

[0033] Discharge: The processed hydraulic joint is sent out of the cold heading machine through the discharge structure.

[0034] By adopting the above technical solution and the above operation process, there is no need for separate chamfering equipment, drilling equipment, polishing equipment and welding equipment, and the hydraulic joints processed by the above operation process will not have cracks.

[0035] Compared with the prior art, the beneficial effects of the present invention are: the special cold heading machine and its process for processing hydraulic joints produce hydraulic joints with no internal gaps through the stamping structure, drilling structure and chamfering structure, which can avoid the hydraulic joint from breaking during use, improve the service life of the hydraulic joint, and avoid the hydraulic joint from breaking during chamfering. At the same time, no additional chamfering equipment, drilling device, polishing device and welding equipment are required, resulting in lower processing costs. Attached Figure Description

[0036] Figure 1 This is a perspective view of the cold heading machine of the present invention;

[0037] Figure 2 This is a top view of the cold heading machine of the present invention;

[0038] Figure 3 This is a top view of the cold heading structure of the present invention;

[0039] Figure 4 This is a perspective view of the stamping die of the present invention;

[0040] Figure 5 This is a perspective view of the chamfered fastener of the present invention;

[0041] Figure 6 This is a front view structural diagram of the stamping die of the present invention;

[0042] Figure 7 This is a perspective view of the chamfered structure of the present invention;

[0043] Figure 8 This is a process diagram of the hydraulic connector of the present invention.

[0044] In the diagram: 1. Cold heading machine; 2. Material guiding structure; 3. Cutting device; 4. Feeding structure; 5. Cold heading structure; 501. Fixed housing; 502. Movable frame; 503. Stamped part; 504. Fixed frame; 505. Servo motor; 506. Main gear; 507. Secondary gear; 508. Drill bit; 509. Polishing roller; 510. Fixed plate; 511. Chamfering plate; 512. Hydraulic cylinder; 513. Stamping die 5130, First base; 5131, First connecting cylinder; 5132, First top cover; 5133, Mold inner liner; 514, Chamfered fixing component; 5140, Second base; 5141, Second connecting cylinder; 5142, Second top cover; 5143, Fixing component inner liner; 515, First cylinder; 516, Movable plate; 517, Ejector pin; 518, Second cylinder; 519, Chamfered ejector pin; 6, Discharge structure. Detailed Implementation

[0045] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0046] Please see Figure 1-7 The present invention provides an embodiment of a special cold heading machine for hydraulic joint processing and its process, comprising a cold heading machine 1, wherein a material guiding structure 2, a cutting device 3, a feeding structure 4, a cold heading structure 5 and a discharge structure 6 are sequentially installed inside the cold heading machine 1.

[0047] The cold heading structure 5 includes a fixed housing 501. A stamping structure, a drilling structure, and a chamfering structure are installed on one side of the fixed housing 501. A stamping die 513 and a chamfering fixing component 514 are installed in the middle of the fixed housing 501. A first cylinder 515 and a second cylinder 518 are installed on the other side of the fixed housing 501. A movable plate 516 is installed at the output end of the first cylinder 515. Multiple ejector pins 517 are equidistantly arranged on one side of the movable plate 516. A chamfering ejector pin 519 is installed at the output end of the second cylinder 518. Through the cooperation between the stamping structure, drilling structure, chamfering structure, stamping die 513, and chamfering fixing component 514 in the cold heading structure 5, the metal raw material undergoes cold heading, drilling, and polishing operations. If it is necessary to chamfer the hydraulic connector, the hydraulic connector can be chamfered through the chamfering structure.

[0048] In this embodiment, the stamping structure within the cold heading structure 5 includes a movable frame 502. The movable frame 502 is movably mounted at one end of one side of the fixed housing 501. Multiple stamped parts 503 are equidistantly arranged inside the movable frame 502. The drilling structure within the cold heading structure 5 includes a fixed frame 504. The fixed frame 504 is mounted at the other end of the movable frame 502. A servo motor 505 is installed inside the fixed frame 505. A main gear 506 is mounted at the output end of the servo motor 505. Secondary gears 507 are rotatably mounted at both ends of the other side of the fixed frame 504. A drill bit 508 and a polishing roller 509 are respectively mounted at both ends of the other side of the fixed frame 504. The chamfering structure within the cold heading structure 5 includes a fixed plate 510. A drill bit 508 and a polishing roller 509 are respectively mounted at the other ends of the fixed frame 504. A fixed plate 510 is provided, and a chamfering plate 511 is rotatably mounted on the other side of the top of the fixed plate 510. A hydraulic cylinder 512 is rotatably mounted at the middle position of the top of the fixed plate 510. A transmission structure is provided on the cold heading structure 5. The transmission structure can drive the metal raw material to move within the cold heading structure 5. The stamping part 503 can stamp the metal raw material within the stamping die 513. The servo motor 505 can drive the main gear 506 to rotate, thereby driving the secondary gear 507 to rotate, causing the drill bit 508 and the polishing roller 509 to rotate. This allows drilling holes in the hydraulic structure blank and polishing the holes. Then, the chamfering plate 511 can be driven to rotate on the fixed plate 510 via the hydraulic cylinder 512, thereby performing a chamfering operation on the hydraulic connector via the chamfering plate 511.

[0049] In this embodiment, multiple stamping dies 513 are installed side by side. The chamfering fixing member 514 is located in the middle of the fixed housing 501 relative to the other end of the stamping die 513. The stamping die 513 includes a first base 5130, a first connecting cylinder 5131 is installed on one side of the first base 5130, a first top cover 5132 is installed on one side of the first connecting cylinder 5131, and a die liner 5133 is installed inside the first connecting cylinder 5131. The chamfering fixing member 514 includes a second base 51 40. A second connecting cylinder 5141 is installed on one side of the second base 5140, and a second top cover 5142 is installed on one side of the second connecting cylinder 5141. A fixing inner liner 5143 is installed inside the second connecting cylinder 5141. Workers can remove the first base 5130, the first top cover 5132, the second base 5140, and the second top cover 5142 from the first connecting cylinder 5131 and the second connecting cylinder 5141, which facilitates workers to quickly disassemble and replace the mold inner liner 5133 and the fixing inner liner 5143.

[0050] In this embodiment, the installation positions of multiple stamping parts 503 on the movable frame 502 correspond to the installation positions of multiple stamping dies 513, and the installation position of the chamfered structure inside the fixed housing 501 corresponds to the installation position of the chamfered fixing part 514. The installation positions of the stamping parts 503 and the stamping dies 513 correspond to the chamfered structure and the chamfered fixing part 514, which facilitates the processing of hydraulic joints.

[0051] In this embodiment, the mounting positions of multiple ejector pins 517 on the movable plate 516 correspond to the mounting positions of the stamping die 513, and the mounting positions of the chamfering ejector pins 519 correspond to the mounting positions of the chamfering fasteners 514. The hydraulic connectors inside the stamping die 513 and the chamfering fasteners 514 can be ejected by the multiple ejector pins 517 and the chamfering ejector pins 519.

[0052] In this embodiment, the main gear 506 and the auxiliary gear 507 mesh with each other. Rotation ports are provided at both ends of the other side of the fixed frame 504. The drill bit 508 and the polishing roller 509 are connected to the side wall of the auxiliary gear 507 through the rotation ports. The servo motor 505 can drive the main gear 506 to rotate, so that the auxiliary gear 507 can rotate, thereby driving the drill bit 508 and the polishing roller 509 to rotate, which facilitates the drilling and polishing operations of the hydraulic connector in the cold heading machine 1.

[0053] In this embodiment, a groove is provided at the middle position of the top of the fixed plate 510, and a rotating hole is provided on one side of both ends of the fixed plate 510. A rotating component is provided on one side of the hydraulic cylinder 512. The fixed plate 510 is rotatably connected to the hydraulic cylinder 512 through the rotating hole and the rotating component. A chamfering groove is provided at the middle position of the top of the chamfering plate 511, and a connecting component is provided at the middle position of the bottom of the chamfering plate 511. The output end of the hydraulic cylinder 512 is rotatably connected to the chamfering plate 511 through the connecting component. The hydraulic cylinder 512 can push the chamfering plate 511 to rotate on the fixed plate 510. The groove can restrict the hydraulic joint during the chamfering process and prevent the hydraulic joint from sliding during this process.

[0054] In this embodiment, the outer sides of the first base 5130, the first top cover 5132, the second base 5140, and the second top cover 5142, as well as the two sides of the inner walls of the first connecting cylinder 5131 and the second connecting cylinder 5141, are all threaded. The first base 5130, the first top cover 5132, the second base 5140, and the second top cover 5142 are threaded onto the first connecting cylinder 5131 and the second connecting cylinder 5141, which facilitates the replacement of the mold inner liner 5133 and the fixing inner liner 5143 inside the first connecting cylinder 5131 and the second connecting cylinder 5141.

[0055] In this embodiment, a guide groove is provided on the top of one side of the chamfering fastener 514, which can assist in the chamfering angle of the hydraulic connector.

[0056] A hydraulic joint processing technology, the process is as follows:

[0057] Feeding: The metal raw material is introduced into the cold heading machine through the feeding structure;

[0058] Cutting: The process of separating raw metal materials into segments using a cutting device;

[0059] Feeding: The segmented metal raw materials are fed into the cold heading structure;

[0060] Cold heading: Cold heading of segmented metal raw materials using a cold heading structure;

[0061] Drilling: The cold-forged hydraulic connector blank is drilled through a drilling structure;

[0062] Polishing: Polishing the holes on the hydraulic connector using a polishing roller;

[0063] Chamfering: The polished hydraulic joint is chamfered using a chamfering structure;

[0064] Discharge: The processed hydraulic joint is sent out of the cold heading machine through the discharge structure.

[0065] The above process eliminates the need for separate chamfering, drilling, polishing, and welding equipment, and the hydraulic joints produced by this process will not have cracks.

[0066] Example 1, such as Figure 1-7 As shown, the metal raw material undergoes cold heading, drilling, and polishing operations through the cooperation of the stamping structure, drilling structure, chamfering structure, stamping die 513, and chamfering fixing part 514 in the cold heading structure 5. If the hydraulic connector needs to be chamfered, it can be chamfered through the chamfering structure. A transmission structure is provided on the cold heading structure 5, which can drive the metal raw material to move within the cold heading structure 5. The stamping part 503 can stamp the metal raw material within the stamping die 513, and the servo motor 505 can drive the main gear 506 to rotate, thereby driving the secondary gear 507 to rotate. The movement causes the drill bit 508 and polishing roller 509 to rotate, thereby drilling holes in the hydraulic structure blank and polishing the holes. Then, the hydraulic cylinder 512 drives the chamfering plate 511 to rotate on the fixed plate 510, thereby performing chamfering operation on the hydraulic connector through the chamfering plate 511. At the same time, the operator can remove the first base 5130, the first top cover 5132, the second base 5140 and the second top cover 5142 from the first connecting cylinder 5131 and the second connecting cylinder 5141, which facilitates the operator to quickly disassemble and replace the mold inner liner 5133 and the fixing part inner liner 5143.

[0067] Example 2, as Figure 8As shown, a hydraulic joint processing technology is described, comprising the following steps: feeding: introducing metal raw materials into a cold heading machine through a guiding structure; cutting: segmenting the metal raw materials using a cutting device; guiding: feeding the segmented metal raw materials into the cold heading structure; cold heading: cold heading the segmented metal raw materials using the cold heading structure; drilling: drilling holes in the cold-headed hydraulic joint blank using a drilling structure; polishing: polishing the holes in the hydraulic joint using a polishing roller; chamfering: chamfering the polished hydraulic joint using a chamfering structure; and discharging: discharging the processed hydraulic joint from the cold heading machine using a discharging structure. Hydraulic joints produced using this process are free of defects and breakage, and also reduce processing costs.

[0068] For those skilled in the art, the present invention is not limited to the details of the exemplary embodiments described above, and the invention can be implemented in other specific forms without departing from the spirit or scope thereof. Therefore, the embodiments of the present invention are exemplary and not restrictive. The scope of the invention is defined by the appended claims rather than the foregoing description, and therefore all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A special cold heading machine for hydraulic joint processing, comprising a cold heading machine (1), characterized in that: The cold heading machine (1) is equipped with a material guiding structure (2), a cutting device (3), a feeding structure (4), a cold heading structure (5), and a discharge structure (6) in sequence inside. The cold heading structure (5) includes a fixed housing (501). A stamping structure, a punching structure, and a chamfering structure are installed on one side of the fixed housing (501). A stamping die (513) and a chamfering fixing piece (514) are installed in the middle position inside the fixed housing (501). A first cylinder (515) and a second cylinder (518) are installed on the other side of the fixed housing (501). A movable plate (516) is installed at the output end of the first cylinder (515). Multiple ejector pins (517) are arranged equidistantly on one side of the movable plate (516). A chamfering ejector pin (519) is installed at the output end of the second cylinder (518). The stamping structure within the cold heading structure (5) includes a movable frame (502). The movable frame (502) is movably mounted at one end of one side of the fixed housing (501). Multiple stamped parts (503) are equidistantly arranged inside the movable frame (502). The drilling structure within the cold heading structure (5) includes a fixed frame (504). A fixed frame (504) is mounted at the other end of the movable frame (502). A servo motor (505) is installed inside the fixed frame (504). A main gear (503) is mounted at the output end of the servo motor (505). 06), both ends of the other side of the fixed frame (504) are rotatably mounted with a secondary gear (507), and both ends of the other side of the fixed frame (504) are respectively mounted with a drill bit (508) and a polishing roller (509). The chamfering structure in the cold heading structure (5) includes a fixed plate (510). The other end of the fixed frame (504) is mounted with a fixed plate (510). The other side of the top of the fixed plate (510) is rotatably mounted with a chamfering plate (511). The middle position of the top of the fixed plate (510) is rotatably mounted with a hydraulic cylinder (512). The stamping die (513) has multiple stamping dies (513) installed side by side. The chamfering fixing member (514) is located in the middle of the fixed housing (501) relative to the other end of the stamping die (513). The stamping die (513) includes a first base (5130), a first connecting cylinder (5131) is installed on one side of the first base (5130), a first top cover (5132) is installed on one side of the first connecting cylinder (5131), and a die liner (5133) is installed inside the first connecting cylinder (5131). The chamfering fixing member (514) includes a second base (5140), a second connecting cylinder (5141) is installed on one side of the second base (5140), a second top cover (5142) is installed on one side of the second connecting cylinder (5141), and a fixing member liner (5143) is installed inside the second connecting cylinder (5141).

2. The cold heading machine for hydraulic joint processing according to claim 1, characterized in that: The installation positions of the multiple stamping parts (503) on the movable frame (502) correspond to the installation positions of the multiple stamping dies (513), and the installation position of the chamfer structure inside the fixed housing (501) corresponds to the installation position of the chamfer fixing part (514).

3. A cold heading machine for hydraulic joint processing according to claim 1, characterized in that: The mounting positions of the plurality of ejector pins (517) on the movable plate (516) correspond to the mounting positions of the stamping die (513), and the mounting positions of the chamfering ejector pins (519) correspond to the mounting positions of the chamfering fasteners (514).

4. A cold heading machine for hydraulic joint processing according to claim 1, characterized in that: The main gear (506) meshes with the auxiliary gear (507), and both ends of the other side of the fixed frame (504) are provided with rotating openings. The drill bit (508) and the polishing roller (509) are respectively connected to the side wall of the auxiliary gear (507) through the rotating openings.

5. A cold heading machine for hydraulic joint processing according to claim 1, characterized in that: The top of the fixed plate (510) has a groove in the middle. Rotating holes are provided on one side of both ends of the fixed plate (510). A rotating component is provided on one side of the hydraulic cylinder (512). The fixed plate (510) is rotatably connected to the hydraulic cylinder (512) through the rotating holes and the rotating component. The top of the chamfer plate (511) has a chamfer groove in the middle. A connecting component is provided at the bottom of the chamfer plate (511). The output end of the hydraulic cylinder (512) is rotatably connected to the chamfer plate (511) through the connecting component.

6. A cold heading machine for hydraulic joint processing according to claim 1, characterized in that: The outer sides of the first base (5130), the first top cover (5132), the second base (5140), and the second top cover (5142) and the inner walls of the first connecting cylinder (5131) and the second connecting cylinder (5141) are all threaded.

7. A cold heading machine for hydraulic joint processing according to claim 1, characterized in that: A guide groove is provided on the top of one side of the chamfered fastener (514).

8. A hydraulic joint processing technology, applied to the cold heading machine according to any one of claims 1-7, characterized in that, The process is as follows: Feeding: The metal raw material is introduced into the cold heading machine through the feeding structure; Cutting: The process of separating raw metal materials into segments using a cutting device; Feeding: The segmented metal raw materials are fed into the cold heading structure; Cold heading: Cold heading of segmented metal raw materials using a cold heading structure; Drilling: The cold-forged hydraulic connector blank is drilled through a drilling structure; Polishing: Polishing the holes on the hydraulic connector using a polishing roller; Chamfering: The polished hydraulic joint is chamfered using a chamfering structure; Discharge: The processed hydraulic joint is sent out of the cold heading machine through the discharge structure.

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