Processing device and process for an aluminum alloy clasp

Abstract

The application provides an aluminum alloy clasp processing device and process, and belongs to the technical field of clasp processing. The aluminum alloy clasp processing device and process comprise a rack and a pressing assembly. The pressing assembly is arranged on the rack and can be used for cooperating with a mold core to extrude an aluminum alloy strip into a preform. A bending part is used for bending both ends of the aluminum alloy strip. The bending part is provided with a push rod that can push the aluminum alloy strip to bend. The push rod is provided with a shaft sleeve that can roll on the surface of the aluminum alloy strip. When bending both ends of the aluminum alloy strip, the push rod can push both ends of the aluminum alloy strip to bend. The shaft sleeve arranged on the aluminum alloy strip can roll on the surface of the aluminum alloy strip when the aluminum alloy strip is bent, so that the surface of the aluminum alloy strip can be prevented from being scratched, and the subsequent production of the aluminum alloy strip is avoided from being affected.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of buckle ring processing, and particularly relates to a processing device and process for an aluminum alloy buckle ring. BACKGROUND

[0002] A buckle ring is a connecting device, usually used to fix or connect two objects. It is a metal ring, usually made of copper, aluminum alloy and other materials with high strength and corrosion resistance, and the end is not welded, in a ring shape. The buckle ring is usually used in the jewelry, jewelry, steel and other industries. It can also be used to bind, fix or connect two objects, such as ropes, chains, belts, etc.

[0003] In the Chinese patent with the authorization announcement number CN115741126A, an automatic forming equipment for mountain climbing buckles is disclosed, which comprises a rack, the front of the rack is provided with a base, the upper side of the base is provided with an upper pressing block, the lower side of the base is provided with a lower pressing block, the two sides of the lower pressing block are provided with side pressing blocks, the upper pressing block, side pressing block and lower pressing block are close to each other to surround the base, and the upper pressing block, side pressing block and lower pressing block form a mold.

[0004] In the above technical scheme, the side pressing block and the lower pressing block slide on the rack, when the side pressing block contacts the buckle ring, since the side pressing block is inclined, when the side pressing block pushes the buckle ring to form, the side pressing block can slide on the surface of the buckle ring, so that the side pressing block is easy to scratch the surface of the buckle ring, affecting the subsequent production of the buckle ring. SUMMARY

[0005] The purpose of the present application is to provide a processing device and process for an aluminum alloy buckle ring, which aims to solve the problem that the side pressing block and the lower pressing block of an automatic forming equipment for mountain climbing buckles in the prior art slide on the rack, when the side pressing block contacts the buckle ring, since the side pressing block is inclined, when the side pressing block pushes the buckle ring to form, the side pressing block can slide on the surface of the buckle ring, so that the side pressing block is easy to scratch the surface of the buckle ring, affecting the subsequent production of the buckle ring.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a processing device for an aluminum alloy buckle ring, comprising:

[0007] The rack and the lower pressing assembly are arranged on the rack, and can be used to cooperate with the mold core to extrude the aluminum alloy strip into a preform;

[0008] The bending part is used to bend the two ends of the aluminum alloy strip, the pushing rod on the bending part is used to push the aluminum alloy strip to bend, the shaft sleeve on the pushing rod is used to roll on the surface of the aluminum alloy strip.

[0009] Further technical scheme of the present application is that the bending component comprises a mounting plate arranged on the rack, a sliding rail is arranged on the mounting plate, a sliding piece is slidably connected to the sliding rail, a first telescopic component is arranged on the mounting plate, a rack is arranged on the first telescopic component, the rack can slide in the sliding piece, a gear wheel engaged with the rack is rotatably arranged on the sliding piece, a sector rack is engaged with the side of the gear wheel away from the rack, a sector groove is formed in the sliding piece, the sector rack can slide in the sector groove, a push rod is arranged at one end of the sector rack, a second elastic piece is arranged on the sliding piece to push the sector rack to slide in the sliding piece, and a limiting protrusion abutting against the sliding piece is arranged on the pressing assembly.

[0010] Further technical scheme of the present application is that the pressing assembly comprises a sliding block slidably arranged on the rack in single degree of freedom, a driving device is arranged on the rack to drive the sliding block to reciprocally slide, two limiting plates for limiting the sliding block are arranged on the rack, a pressing block is arranged on the sliding block, a shaped groove is arranged on the pressing block, and a cutting assembly for cutting the aluminum alloy strip is further arranged on the pressing assembly.

[0011] Further technical scheme of the present application is that the cutting assembly comprises an adjusting rail mounted on the rack, a guide block for guiding the aluminum alloy strip between the mold core and the pressing block is slidably arranged on the adjusting rail, a cutting knife slidably arranged on the guide block is arranged on the guide block, a first elastic piece for resetting the cutting knife is arranged on the guide block, and a pressing plate in contact with the cutting knife is arranged on the pressing block.

[0012] Further technical scheme of the present application is that the mold core comprises a mold base mounted on the rack, a forming part is arranged on the mold base, the forming part can be used in cooperation with the pressing block and the bending component, an extrusion protrusion is arranged on the mold base, an extrusion block matched with the extrusion protrusion is arranged on the forming part, a second telescopic component is arranged on the rack, and the telescopic end of the second telescopic component penetrates through the rack, the mold base and the extrusion block.

[0013] Further technical scheme of the present application is that not less than two push columns for pushing the extrusion-formed buckle ring out of the forming part are arranged on the mold base, the push columns can slide on the mold base, and the push columns are connected through a connecting plate and a third elastic piece is arranged on the push column.

[0014] Further technical scheme of the present application is that a convex block is arranged at the telescopic end of the second telescopic component, the convex block slides in the telescopic end of the second telescopic component, two mirror-image inclined surfaces in contact with the connecting plate are arranged on the convex block, and a fourth elastic piece for pushing the convex block outward is arranged in the telescopic end of the second telescopic component.

[0015] Further technical solutions of the present application are that the rack is provided with a conveying device for the aluminum alloy strip, the conveying device comprises no less than two rollers rotating on the rack, and the no less than two rollers can contact two sides of the aluminum alloy strip.

[0016] Further technical solutions of the present application are that the forming part is provided with two blanking rails.

[0017] Another object of the present application is to provide a processing technology of an aluminum alloy snap ring,

[0018] The technical solutions are as follows: comprising the following steps: a. putting the aluminum alloy strip into the conveying device, and making one end of the aluminum alloy strip pass through the guide block, so that the conveying device conveys the aluminum alloy strip by a certain length and stops;

[0019] b. operating the pressing assembly to make the pressing assembly press and move, the pressing assembly first cuts the aluminum alloy strip, and then continues to move downward to cooperate with the mold core to extrude and pre-form the aluminum alloy strip;

[0020] c. operating the bending component to make the bending component push the two ends of the aluminum alloy strip to be bent and formed;

[0021] d. the second telescopic component drives the extrusion block to extrude the two ends of the aluminum alloy strip;

[0022] e. the pressing assembly, the bending component and the second telescopic component are reset, and then the push column pushes out the formed ring buckle to be blanked.

[0023] Compared with the prior art, the present application has the following advantages:

[0024] 1. The processing device and technology of the aluminum alloy snap ring can push the two ends of the aluminum alloy strip to be bent by the push rod when the two ends of the aluminum alloy strip are bent, and the shaft sleeve is arranged on the aluminum alloy strip to roll on the surface of the aluminum alloy strip when the aluminum alloy strip is bent, so as to prevent the surface of the aluminum alloy strip from being scratched, thereby avoiding affecting the subsequent production of the aluminum alloy strip.

[0025] 2. The processing device and technology of the aluminum alloy snap ring can make the extrusion block and the extrusion protrusion extrude the two ends of the aluminum alloy strip after the aluminum alloy strip is bent and formed by the second telescopic component driving the extrusion block to approach the extrusion protrusion, so as to pre-treat the two ends of the formed snap ring, thereby saving the subsequent production process and improving the processing efficiency. DETAILED DESCRIPTION

[0026] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0027] Figure 1 Structure diagram of a specific embodiment in the present application;

[0028] Figure 2 Structure diagram of a specific embodiment in the present application;

[0029] Figure 3 Structure diagram of a specific embodiment in the present application;

[0030] Figure 4 Structure diagram of a specific embodiment in the present application;

[0031] Figure 5 Structure diagram of a specific embodiment in the present application;

[0032] Figure 6 Structure diagram of a specific embodiment in the present application;

[0033] Figure 7 Structure diagram of a specific embodiment in the present application.

[0034] In the figure: 1, frame; 2, pressing assembly; 201, sliding block; 202, driving device; 2021, eccentric wheel; 2022, connecting rod; 203, limiting plate; 204, pressing block; 205, forming groove; 206, cutting assembly; 2061, adjusting track; 2062, guide block; 2063, cutting knife; 2064, first elastic member; 2065, pressing plate; 3, mold core; 301, mold base; 302, forming part; 303, extrusion protrusion; 304, extrusion block; 305, second telescopic component; 306, push column; 307, connecting plate; 308, protruding block; 309, inclined surface; 310, fourth elastic member; 311, third elastic member; 4, bending component; 401, mounting plate; 402, sliding rail; 403, sliding member; 404, first telescopic component; 405, rack; 406, gear; 407, sector rack; 408, sector groove; 409, push rod; 410, shaft sleeve; 411, first elastic member; 412, limiting protrusion; 5, conveying device; 501, roller; 6, blanking rail. Embodiment

[0035] In order to solve the problem that the side pressing block and the pressing block of an automatic forming equipment for mountain climbing buckles in the prior art slide on the frame, when the side pressing block contacts the buckle, the side pressing block is inclined, and when the side pressing block pushes the buckle to form, the side pressing block can slide on the surface of the buckle, so that the surface of the buckle is easily scratched by the side pressing block, affecting the subsequent production of the buckle, the present application provides the following solutions:

[0036] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of the present application.

[0037] Please refer to Figure 1 The present application provides the following technical solutions: a processing device for an aluminum alloy clasp ring, comprising a rack 1, four supporting legs are fixedly arranged below the rack 1, the cross section of the supporting leg is circular or rectangular, the shape of the cross section is not limited in this embodiment, the supporting leg can be used to support the rack 1 and ensure the balance of the rack 1, a pressing assembly 2 is installed on the rack 1, the pressing assembly 2 can also be used to cut the aluminum alloy strip, and in cooperation with a mold core 3, the cut aluminum alloy strip can be pre-formed by stamping, and a bending part 4 is arranged below the mold core 3 on the rack 1, the bending part 4 can be used to bend and form the two ends of the aluminum alloy strip in cooperation with the mold core 3;

[0038] A conveying device 5 for the aluminum alloy strip is further arranged on the rack 1, the conveying device 5 can convey the aluminum alloy strip to the mold core 3 and the pressing assembly 2, and stop conveying after a certain distance, so that the pressing assembly 2 cuts the aluminum alloy strip.

[0039] As shown in the right Figures 1-3 , the pressing assembly 2 comprises a slider 201 which slides up and down on the rack 1 in a single degree of freedom, a driving device 202 is arranged on the rack 1 and can drive the slider 201 to reciprocatingly slide, two limiting plates 203 are arranged on the rack 1 and are in contact with the two sides of the slider 201, which can be used to limit the sliding direction of the slider 201, so that the slider 201 slides more stably, in addition, the limiting plates 203 can be fixed on the rack 1 through screws, so that the limiting plates 203 are more convenient to disassemble and adjust, a pressing block 204 is installed on the slider 201 through screws, a forming groove 205 is arranged on the pressing block 204, the forming groove 205 can be matched with the mold core 3, the pressing block 204 moves downward, so that the forming groove 205 and the mold core 3 extrude and pre-form the aluminum alloy strip, of course, before extruding the aluminum alloy strip, the aluminum alloy strip needs to be cut, therefore, a cutting assembly 206 which can be used to cut the aluminum alloy strip is further arranged on the pressing assembly 2, the cutting assembly 206 can cut the aluminum alloy strip when the conveying device 5 stops conveying;

[0040] As Figure 2As shown, the cutting assembly 206 includes an adjusting rail 2061 mounted on the frame 1, the adjusting rail 2061 is horizontally arranged on the frame 1, a guide block 2062 for guiding the aluminum alloy strip is slidably arranged on the rail 2061, the guide block 2062 can slide on the rail 2061, the guide block 2062 is provided with a through hole, so that the aluminum alloy strip passes through the through hole and enters between the mold core 3 and the pressing block 204, an upper and lower sliding cutting knife 2063 is arranged on the guide block 2062, the bottom end of the cutting knife 2063 is a triangular sharp end, and one side of the cutting knife 2063 can be in close contact with one end of the through hole, so that when the cutting knife 2063 moves downward, the sharp end of the cutting knife 2063 can cut the aluminum alloy strip, a first elastic member 2064 is arranged on the guide block 2062 or has the first elastic member 2064, the first elastic member 2064 is a compression spring and can push the cutting knife 2063 to move upward for resetting, the cutting knife 2063 includes a knife body and a sliding column, the sliding column is fixedly welded on the knife body, the sliding column can slide on the guide block 2062, and the first elastic member 2064 is sleeved on the sliding column, a limiting disc that is in abutment with the first elastic member 2064 is arranged at one end of the sliding column, when the sliding column and the knife body move downward, the first elastic member 2064 can be pushed to be compressed through the limiting disc, and when the first elastic member 2064 is released, the sliding column and the knife body can be pushed to reset, a lower pressing plate 2065 is arranged on the pressing block 204 through a screw, the lower pressing plate 2065 is located above the cutting knife 2063, when the pressing block 204 drives the lower pressing plate 2065 to move downward, the sliding column can be pushed to move downward, so that the knife body can cut the aluminum alloy strip;

[0041] In use, the length of the aluminum alloy strip to be cut can be adjusted by sliding the guide block 2062 on the adjusting rail 2061, then when the pressing block 204 moves downward, the lower pressing plate 2065 can be driven to move downward, when the lower pressing plate 2065 moves downward, the cutting knife 2063 can be pushed to move downward, so that the cutting knife 2063 can cut the aluminum alloy strip, then the lower pressing plate 2065 moves upward, the cutting knife 2063 can be pushed to reset through the action of the first elastic member 2064;

[0042] As shown in the figure, Figures 2-3 The driving device 202 includes an eccentric wheel 2021 rotating on the frame 1, a motor (not shown in the figure) that can drive the eccentric wheel 2021 to rotate is arranged on the frame 1 and can be detachably mounted on the frame 1 through a screw, a connecting rod 2022 is rotatably arranged at the eccentric position of the eccentric wheel 2021, one end of the connecting rod 2022 away from the eccentric wheel 2021 is rotatably arranged on the sliding block 201, when the motor drives the eccentric wheel 2021 to rotate, the eccentric wheel 2021 can pull the sliding block 201 to reciprocate through the connecting rod 2022;

[0043] The driving device 202 can also be a telescopic rod, which can be an electric telescopic rod or a hydraulic telescopic rod, the telescopic rod is installed on the rack 1, and the telescopic end is connected to the sliding block 201, when the telescopic rod is telescoped, the sliding block 201 can slide on the rack 1.

[0044] As shown in Figure 3 and Figure 4 , the bending part 4 includes a mounting plate 401 arranged on the rack 1, the mounting plate 401 can be fixed on the rack 1 by screws, the mounting plate 401 is arranged below the mold core 3, a sliding rail 402 is arranged on the mounting plate 401, the sliding rail 402 is arranged vertically in the up-down direction, a sliding piece 403 is arranged on the mounting plate 401, the sliding piece 403 can slide in the direction along the sliding rail 402 in single degree of freedom, and a first telescopic part 404 is arranged on the mounting plate 401, the first telescopic part 404 can be an electric telescopic rod or a hydraulic telescopic rod, which is not limited in the embodiment, a rack 405 is connected to the telescopic end of the first telescopic part 404, the rack 405 can slide in the inside of the sliding piece 403, a sliding groove is opened in the inside of the sliding piece 403, so that the rack 405 can slide in the inside of the sliding groove, which can be used for limiting the sliding of the rack 405, a gear 406 is rotatably arranged on the sliding piece 403 and engaged with the rack 405, a sector rack 407 is engaged with the gear 406 away from the rack 405, a sector groove 408 is opened on the sliding piece 403, which can make the sector rack 407 slide in the inside of the sector groove 408, a push rod 409 is arranged at one end of the sector rack 407 and used for pushing the two ends of the aluminum alloy strip to bend, an axle sleeve 410 is arranged on the push rod 409, when the push rod 409 pushes the aluminum alloy strip to bend, the axle sleeve 410 can roll on the outer surface of the aluminum alloy strip, so as to prevent the aluminum alloy strip from being scratched when the push rod 409 pushes the aluminum alloy strip to bend, when the rack 405 slides relative to the sliding piece 403, the rack 405 can push the gear 406 to rotate on the sliding piece 403, when the gear 406 rotates, the sector rack 407 can slide in the inside of the sector groove 408, a second elastic piece 411 is arranged in the inside of the sliding groove, which is a compression spring and can push the rack 405 to slide in the inside of the sliding groove, so as to reset the rack 405, in addition, a limiting protrusion 412 is integrally formed on the guide block 2062 and abuts against the sliding piece 403;

[0045] As shown in Figure 3 and Figure 4 , the above-mentioned parts have two, which can be used for bending the two ends of the aluminum alloy strip, and the radius of the two sector racks 407 can be selected according to actual production conditions;

[0046] In use, when the first telescopic component 404 is running, the second elastic element 411 can push the sliding component 403 to move upward. When the sliding component 403 and the limiting protrusion 412 abut against each other, the second elastic element 411 is compressed, causing the rack 405 to slide relative to the sliding component 403. This causes the rack 405 to drive the gear 406 to rotate. When the gear 406 rotates, it can drive the sector rack 407 to rotate, which in turn causes the sector rack 407 to drive the push rod 409 to bend the aluminum alloy strip into shape.

[0047] like Figures 5-7 As shown, the mold core 3 includes a mold base 301 mounted on the frame 1. The mold base 301 can be fixedly mounted on the frame 1 with screws, making it easy to disassemble and replace the mold core 3 model. A forming part 302 is integrally provided in the middle of the mold base 301. The forming part 302 can be used in conjunction with the pressure block 204 and the bending component 4. By bringing the pressure block 204 close to the forming part 302, the pressure block 204 and the forming part 302 squeeze the aluminum alloy strip, bending the aluminum alloy strip into a specified shape. In this embodiment, the buckle shape is a gourd-shaped carabiner, but it is not limited to this embodiment. The two ends of the pushable filter plate and the aluminum alloy strip of the bending component 4 bend along the two ends of the forming part 302. In order to better fit the two ends of the aluminum alloy strip and the forming part 302, a fan-shaped toothed rack 407 is used. The rotating axis and the two ends of the forming part 302 are coaxially arranged. An extrusion protrusion 303 is integrally formed on the mold base 301, and an extrusion block 304 is slidably arranged on the forming part 302. When the extrusion block 304 slides on the forming part 302, it can extrude the two ends of the aluminum alloy strip located between the extrusion protrusion 303 and the extrusion block 304, flattening it for installing a lock. In order to drive the extrusion block 304, a second telescopic component 305 is provided on the frame 1. The second telescopic component 305 is an electric telescopic rod or a hydraulic telescopic rod. The telescopic end of the second telescopic component 305 passes through the frame 1 and the mold base 301 and is connected to the extrusion block 304, so that when the telescopic end of the second telescopic component 305 is telescopic, it can drive the extrusion block 304 to slide and extrude the two ends of the aluminum alloy strip.

[0048] Multiple pushers 306 are provided on the mold base 301. The pushers 306 can be used to push the extruded buckle out of the forming part 302. The pushers 306 can slide on the mold base 301. The multiple pushers 306 are connected by a connecting plate 307 and a third elastic member 311 is sleeved on the pushers 306. The third elastic member 311 is a compression spring. One end of the spring abuts against the connecting plate 307 and the other end abuts against the mold base 301, so that when the pushers 306 push out the formed buckle from the forming part 302, the third elastic member can reset the pushers 306.

[0049] The protrusion 308 is arranged on the telescopic end of the second telescopic component 305, and slides in the direction perpendicular to the telescopic end of the second telescopic component 305, and the sliding is on the telescopic end of the second telescopic component 305, the inclined surface 309 is arranged on the protrusion 308, and the inclined surface 309 can be in contact with the connecting plate 307, the fourth elastic element 310 is arranged in the telescopic end of the second telescopic component 305, and the fourth elastic element 310 is a compression spring, one end of the fourth elastic element 310 is in abutment with the protrusion 308, and the other end of the fourth elastic element 310 is arranged on the telescopic end of the second telescopic component 305, when the second telescopic component 305 drives the protrusion 308 to be close to the connecting plate 307, the connecting plate 307 and the push column 306 can be first pushed to move, the push column 306 pushes the formed buckle ring from the forming part 302, then the protrusion 308 is slid to the inside of the second telescopic component 305 through the inclined surface 309, and the fourth elastic element 310 is compressed, when the protrusion 308 passes the connecting plate 307, the third elastic element 311 pushes the connecting plate 307 to reset and drives the push column 306 to reset, and the fourth elastic element 310 pushes the protrusion 308 to reset, when the second telescopic component 305 drives the extrusion block 304 to extrude the two ends of the aluminum alloy strip, the connecting plate 307 pushes the protrusion 308 to move to the inside of the telescopic end of the second telescopic component 305 through the inclined surface 309, so that the protrusion 308 can pass the other side of the connecting plate 307.

[0050] Referring to Figure 2 The conveying device 5 comprises a plurality of rollers 501 rotating on the frame 1, and the number of the rollers 501 is not limited in the embodiment, two rollers 501 can be in contact with the two sides of the aluminum alloy strip, and the two rollers 501 can be used for straightening the aluminum alloy strip, a motor (not shown in the figure) is arranged on the frame 1, and the motor drives one of the rollers 501 to rotate, so that the conveying of the aluminum alloy strip is realized.

[0051] The forming part 302 is provided with two blanking rails 6, and the formed buckle ring can be discharged through the blanking rails 6.

[0052] The frame 1 is further provided with a control panel, which can be used for controlling the start and stop of the equipment.

[0053] The processing process of the aluminum alloy buckle ring provided by the application comprises the following steps:

[0054] a. The aluminum alloy strip is placed in the conveying device 5, and one end of the aluminum alloy strip passes through the guide block 2062, so that the conveying device 5 conveys the aluminum alloy strip by a certain length and stops;

[0055] b. The pressing assembly 2 is operated to move downward, the pressing assembly 2 first cuts the aluminum alloy strip, and then continues to move downward to cooperate with the mold core 3 to extrude and pre-form the aluminum alloy strip;

[0056] c. The bending component 4 is operated to push the two ends of the aluminum alloy strip to be bent and formed;

[0057] d. The second telescopic component 305 drives the extrusion block 304 to extrude the two ends of the aluminum alloy strip;

[0058] e. The lower pressing assembly 2, the bending component 4 and the second telescopic component 305 are reset, and then the push column 306 pushes the formed ring buckle out for cutting.

Claims

1. An apparatus for machining an aluminum alloy collar, characterized by, Include: Frame (1) and lower pressing assembly (2), lower pressing assembly (2) is arranged on the frame (1), can be used for cooperation with the die core (3) to extrude the aluminum alloy strip preform; Bending component (4) can be used for bending the two ends of the aluminum alloy strip, the bending component (4) has a push rod (409) for pushing the aluminum alloy strip, the push rod (409) is provided with a shaft sleeve (410), the shaft sleeve (410) can roll on the surface of the aluminum alloy strip; The bending component (4) includes a mounting plate (401) arranged on the frame (1), the mounting plate (401) is provided with a sliding rail (402), the sliding rail (402) is slidably connected with a sliding piece (403), the mounting plate (401) is provided with a first telescopic component (404), the first telescopic component (404) is provided with a rack (405), the rack (405) can slide in the sliding piece (403), the sliding piece (403) is rotatably provided with a gear (406) engaged with the rack (405), the gear (406) is engaged with a sector gear (407) away from the rack (405), the sliding piece (403) is provided with a sector groove (408), the sector gear (407) can slide in the sector groove (408), the push rod (409) is arranged at one end of the sector gear (407), the sliding piece (403) is provided with a second elastic member (411) for driving the rack (405) to slide on the sliding piece (403), the lower pressing assembly (2) is provided with a limiting protrusion (412) abutting against the sliding piece (403); The lower pressing assembly (2) includes a sliding block (201) sliding on the frame (1) with one degree of freedom, the frame (1) is provided with a driving device (202) for driving the sliding block (201) to reciprocally slide, the frame (1) is provided with two limiting plates (203) for limiting the sliding block (201), the sliding block (201) is provided with a pressing block (204), the pressing block (204) is provided with a forming groove (205), the lower pressing assembly (2) is further provided with a cutting assembly (206) for cutting the aluminum alloy strip; The cutting assembly (206) includes an adjusting track (2061) mounted on the frame (1), the adjusting track (2061) is slidably provided with a guide block (2062) for guiding the aluminum alloy strip to the die core (3) and the pressing block (204), the guide block (2062) is provided with a cutting knife (2063) sliding up and down, the guide block (2062) is provided with a first elastic member (2064) for resetting the cutting knife (2063), the pressing block (204) is provided with a lower pressing plate (2065) in contact with the cutting knife (2063). The mold core (3) comprises a mold base (301) installed on the frame (1), the mold base (301) is provided with a forming part (302), the forming part (302) can be used in cooperation with the briquetting part (204) and the bending part (4), the mold base (301) is provided with an extrusion protrusion (303), the forming part (302) is provided with an extrusion block (304) matched with the extrusion protrusion (303), the frame (1) is provided with a second telescopic part (305), the telescopic end of the second telescopic part (305) penetrates through the frame (1) and the mold base (301) and is connected with the extrusion block (304); The mold base (301) is provided with not less than two push rods (306) used for pushing the extrusion formed buckle ring out of the forming part (302), the push rod (306) can slide on the mold base (301), not less than two push rods (306) are connected through a connecting plate (307) and are provided with a third elastic element (311) on the push rod (306); The telescopic end of the second telescopic part (305) is provided with a protrusion (308), the protrusion (308) slides on the telescopic end of the second telescopic part (305), the protrusion (308) is provided with two mirror image inclined surfaces (309) which can contact the connecting plate (307), the inside of the telescopic end of the second telescopic part (305) is provided with a fourth elastic element (310) which pushes the protrusion (308) outward.

2. The apparatus of claim 1, wherein: The frame (1) is provided with a conveying device (5) for the aluminum alloy strip, the conveying device (5) comprises not less than two rollers (501) which rotate on the frame (1), not less than two rollers (501) can contact two sides of the aluminum alloy strip.

3. The apparatus of claim 1, wherein: The forming part (302) is provided with two blanking rails (6).

4. The process for machining an aluminum alloy collar according to any one of claims 1-3, characterized in that: The method comprises the following steps: a. The aluminum alloy strip is placed into the conveying device (5), one end of the aluminum alloy strip passes through the guide block (2062), the conveying device (5) conveys the aluminum alloy strip by a certain length and stops; b. The pressing assembly (2) operates, the pressing assembly (2) moves downward, the pressing assembly (2) first cuts off the aluminum alloy strip, then continues to move downward, cooperates with the mold core (3) and can extrude the aluminum alloy strip to be preformed; c. The bending part (4) operates, the bending part (4) pushes the two ends of the aluminum alloy strip to be bent and formed; d. The second telescopic part (305) drives the extrusion block (304) to extrude the two ends of the aluminum alloy strip; e. The pressing assembly (2), the bending part (4) and the second telescopic part (305) are reset, then the push rod (306) pushes the formed buckle ring out and is blanked.

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