Extrusion molding process and extrusion equipment for gold ring

Abstract

The present application relates to an extrusion molding process for a gold ring and an extrusion device using the extrusion molding process. The positioning mechanism is provided with a first annular groove and a threaded hole in the horizontal direction, and the central axis of the threaded hole is the same as the central axis of the first annular groove; the support rod extends into the first annular groove, and the end of the support rod away from the first annular groove is provided with a first end; the elastic member extends into the first annular groove, and one end of the elastic member abuts against the support rod, and the other end abuts against the inner wall of the first annular groove of the positioning mechanism; the screw passes through the support rod and is threadedly connected to the threaded hole, and the nut of the screw abuts against the support rod. The screw can rotate to control the depth of the support rod extending into the first annular groove, thereby ensuring that the gold segment is close to the first end of the support rod during the molding process. The friction between the support rod and the support rod during the ejection process is reduced, and the indentation on the surface of the ring blank is avoided, so as to ensure the consistency of the finished product quality of each ring blank.

Description

Technical Field

[0001] The present application relates to the technical field of metal extrusion, and in particular to an extrusion molding process for a gold ring and an extrusion device using the extrusion molding process. Background Art

[0002] As a common jewelry, rings not only have decorative functions, but also carry important emotional and cultural significance. Rings are made of various materials, among which rings made of gold, platinum, silver and other materials are very popular among consumers. Traditional ring making technology is mostly handmade, and the process is complicated and time-consuming, especially the key link of ring molding, which requires high skills of craftsmen. With the development of science and technology, the market requirements for ring production efficiency, finished product consistency and processing costs are gradually increasing, and the automated production method of ring molding is increasingly receiving attention.

[0003] An existing ring forming device can efficiently cut and bend precious metal materials such as gold bars into the annular structure of a ring. During the processing, the gold bar is first pushed to move between the punch head and the support rod, and the punching tool applies pressure in the direction of the gold bar for punching, cutting the gold bar into gold segments of the required length. At the same time, the punch head squeezes the gold segment until it fits on the support rod, so that the gold segment forms a preliminary semi-cylindrical shape. While the punch head is squeezing, the punch head drives the support rod to move in the punching direction, so that the unformed gold segment on one side gradually contacts the inner wall of the guide groove. The guide groove has a semi-cylindrical structure, and the semi-circular ring-shaped gold bends along the guide groove under the continuous thrust of the punch head, gradually forming a ring blank that is close to a circular ring. In this process, the reset ejector pin cooperates with the movement of the punch head to ensure the smooth forming of the ring blank. When the punch head pushes the support rod to move toward the guide groove, the reset push rod shrinks inward to prevent the golden section from being disturbed during the bending process of the ring blank; when the punch head and the support rod are reset, the reset push rod pushes outward to push the formed ring blank out of the support rod, completing the preliminary processing of the ring blank. The equipment ensures the consistency and efficiency of ring forming through the precise mold and push rod linkage system.

[0004] However, the circular die of the device can only move in the up-down direction, but cannot move forward and backward in the direction of the reset ejector pin. For a wide gold bar (the width of the gold bar refers to the direction perpendicular to the thickness of the gold bar, and the thickness of the gold bar is the same as the radial direction of the ring blank to be extruded later) (for example, a gold bar with a width of 20 mm), this limitation may cause the circular die to be unable to fully support the gold bar, so that the gold bar cannot fully contact the top of the circular die in the width direction. When the punch presses the gold segment to fit on the circular die to form a preliminary semicircle, the side of the gold segment facing the circular die will have a dent along the shape of the circular die due to the pressure of the die. In addition, for a small gold bar (for example, a 2 mm gold bar), during the process of the reset ejector pin ejecting the ring blank outward, since the width of the gold bar is only 2 mm, the distance between the formed ring blank and the end of the circular die is relatively far, and a large friction force will be generated between the ring blank and the circular die during ejection. This friction not only increases the difficulty of the ring blank falling off the circular mold, but may also make it impossible to eject, and may also cause additional dents to form on the ring blank during the ejection process, especially obvious indentations or friction marks at the position where the reset ejector pin applies force. Therefore, the circular mold cannot move forward and backward, which to a certain extent affects the adaptability of the equipment in the process of forming gold bars of different widths and reduces the quality consistency of the finished product.

[0005] In order to solve the problem of insufficient adaptability of the above-mentioned existing ring forming equipment when processing gold bars of different widths, an extrusion forming process and extrusion equipment for gold rings are proposed to ensure that the equipment can better adapt to gold bar materials of different widths and improve the consistency of finished product quality. Summary of the invention

[0006] The purpose of this application is to overcome the deficiencies in the prior art and to propose an extrusion molding process and extrusion equipment for a gold ring to ensure that the equipment can better adapt to gold bar materials of different widths and improve the consistency of the quality of the finished product.

[0007] This application is implemented through the following technical solutions:

[0008] The present application proposes an extrusion molding process for a gold ring, comprising the following steps:

[0009] S1: Pre-adjust the length of the support rod. According to the width of the gold bar or gold segment, adjust the length of the support rod so that it can fully support the width of the gold segment and ensure that the gold segment is close to the first end of the support rod during the molding process, thereby reducing friction during ejection and facilitating the smooth removal of the ring blank;

[0010] S2: transport the golden segment to between the punch head and the support rod;

[0011] S3: The gold segment is squeezed to fit onto the support rod by the punch head, so that the gold segment forms a preliminary semi-cylindrical shape. The punch head continues to squeeze, pushing the support rod to move along the guide groove direction, so that the unformed side of the gold segment gradually contacts the inner wall of the guide groove, driving the gold segment to continue to bend along the inner wall of the guide groove, forming a nearly circular ring blank. The reset ejector rod is controlled to shrink inwards during the forming process to avoid interference, and the ring blank is ejected outwards after the ring blank is formed, completing the extrusion forming of the ring blank.

[0012] In one embodiment of the present application, the step S11 further includes:

[0013] S11: Extend the support rod into the first annular groove of the positioning mechanism, and at the same time, one end of the elastic member abuts against the support rod, and the other end abuts against the positioning mechanism at the same time;

[0014] S12: The screw rod passes through the support rod and is threadedly connected to the positioning mechanism, and at the same time, the nut of the screw rod abuts against the support rod, so that the support rod and the positioning mechanism squeeze the elastic member at the same time, so that the support rod is tensioned;

[0015] S13: According to the width of the gold bar or gold segment, the screw is rotated to move toward or away from the positioning mechanism, thereby controlling the depth of the support rod extending into the first annular groove to accommodate gold segments of different widths. At the same time, it is ensured that the gold segment is always close to the first end position of the support rod during the molding process, thereby reducing friction during ejection and facilitating the smooth removal of the ring blank.

[0016] In one embodiment of the present application, the step S2 further includes:

[0017] S21: placing a plurality of gold segments cut to the same length into the receiving groove in a horizontal direction;

[0018] S22: The lifting cylinder lifts the golden section;

[0019] S23: The first driving mechanism transports a golden segment at the top of the containing groove to the second driving mechanism;

[0020] S24: The second driving mechanism transports the golden segment to between the punching head and the support rod.

[0021] The present application proposes an extrusion molding process for a gold ring, comprising:

[0022] The positioning mechanism is provided with a first annular groove and a threaded hole in the horizontal direction, wherein the central axis of the threaded hole is the same as the central axis of the first annular groove;

[0023] A support rod extending into the first annular groove, wherein an end of the support rod away from the first annular groove is provided with a first end portion;

[0024] An elastic member extending into the first annular groove, one end of the elastic member abutting against the support rod, and the other end abutting against the inner wall of the positioning mechanism in the first annular groove;

[0025] A screw rod passes through the support rod and is threadedly connected to the threaded hole. The nut of the screw rod abuts against the support rod. The screw rod can be rotated to control the depth of the support rod extending into the first annular groove, thereby ensuring that the golden segment is close to the first end of the support rod during the molding process.

[0026] In one embodiment of the present application, the support rod is provided with an annular column along the axial direction, the annular column can extend into the first annular groove, the annular column is provided with a second annular groove, one end of the elastic member abuts against the inner wall of the first annular groove of the positioning mechanism, and the other end abuts against the inner wall of the second annular groove of the support rod;

[0027] The support rod is provided with a cap groove, a connecting hole and an avoidance groove along the axial direction, the cap groove is connected with the avoidance groove through the connecting hole, the central axis of the connecting hole is the same as the central axis of the avoidance groove, the aperture of the connecting hole is smaller than the diameter of the nut, and the apertures of the cap groove and the avoidance groove are larger than the aperture of the connecting hole;

[0028] The positioning mechanism is provided with a positioning column in the first annular groove, the threaded hole is provided in the axial direction of the positioning column, the first annular groove is not connected to the threaded hole, and the radial size and shape of the positioning column are the same as the radial size and shape of the avoidance groove;

[0029] The screw rod passes through the cap groove, the connecting hole and the avoidance groove in sequence and is threadedly connected with the threaded hole. At the same time, the nut is arranged in the cap groove and abuts against the inner wall of the cap groove. The positioning column extends into the avoidance groove, and the outer wall of the positioning column abuts against the inner wall of the support rod in the avoidance groove.

[0030] When the screw moves toward the threaded hole, the elastic member moves from an extended state to a compressed state, and the length of the support rod extending outside the positioning mechanism becomes shorter;

[0031] When the screw rod moves in a direction away from the threaded hole, the elastic member moves from a compressed state to an extended state, and the length of the support rod extending out of the positioning mechanism becomes longer.

[0032] In one embodiment of the present application, the extrusion device of the gold ring further includes a reset ejector rod, the reset ejector rod includes a rearward moving block and an ejector rod, the positioning mechanism further has an ejector hole, the ejector rod passes through the ejector hole, the ejector rod is slidably connected to the ejector hole, and the radial direction of the ejector rod is in contact with the radial direction of the support rod outside the first annular groove;

[0033] When the positioning mechanism moves downward, the backward movement block drives the ejector rod to move in a direction away from the first end portion to prevent the golden segment from being disturbed during the molding process;

[0034] When the positioning mechanism moves upward, the backward moving block drives the ejector rod to move toward the first end portion, so that the formed ring blank is ejected from the support rod by the ejector rod.

[0035] In one embodiment of the present application, the positioning mechanism includes a positioning member, a first reset member and a first guide column, and the first annular groove, the threaded hole and the ejection hole are all provided on the positioning member;

[0036] The extrusion device for the gold ring further comprises a base, one end of the first guide column is arranged on the base, and the other end is movably connected to the positioning member, the first reset member is sleeved on the first guide column, one end of the first reset member abuts against the base, and the other end abuts against the positioning member;

[0037] The positioning mechanism further includes an inclined guide rod, one end of which is fixed to the base and the other end of which passes through the backward moving block, the end of which is fixed to the base being away from the positioning member and the end of which passes through the backward moving block being close to the positioning member;

[0038] When the positioning member moves downward, the positioning member drives the backward moving block to move downward, and at the same time, the backward moving block moves obliquely downward along the extending direction of the inclined guide rod, thereby driving the ejection rod to move in a direction away from the first end;

[0039] When the positioning member moves upward, the positioning member drives the backward moving block to move upward, and at the same time, the backward moving block moves obliquely upward along the extension direction of the inclined guide rod, thereby driving the ejector rod to move in the direction of the first end portion. In one embodiment of the present application, the extrusion equipment of the gold ring also includes a stamping mechanism, and the stamping mechanism is located above the positioning member. The stamping mechanism includes a stamping member, a second reset member and a second guide column, one end of the second guide column is provided on the base, and the other end is movably connected to the stamping member, the second reset member is sleeved on the second guide column, one end of the second reset member abuts against the base, and the other end abuts against the stamping member, the stamping member is provided with a stamping block on the side facing the positioning member, and the stamping member is provided with a stamping head on the side facing the support rod;

[0040] A semi-cylindrical guide groove is provided on one side of the base facing the punch head;

[0041] When the punching mechanism punches downward, the punching part drives the punching block and the punching head to move downward, so as to press the punching block down on the positioning part, and at the same time, the punching head presses down on the support rod, thereby moving the positioning part downward, and at the same time, the punching head squeezes the gold segment to fit on the support rod, so that the gold segment forms a semi-cylindrical shape, and the punching head continues to move downward, so that the semi-circular ring-shaped gold bends along the groove wall of the guide groove under the action of thrust, forming a ring blank that is nearly circular.

[0042] In one embodiment of the present application, the gold ring extrusion device further comprises:

[0043] The base is provided with a plug-in end, a plug-in interface and a conveying hole are opened on the base, the plug-in end is inserted into the plug-in interface, the plug-in end is provided with a receiving groove, and the golden sections are stacked one by one into the receiving groove;

[0044] The lifting mechanism includes a cylinder and a lifting plate. The cylinder is arranged on the base, and the lifting plate is arranged in the receiving groove. The cylinder can drive the lifting plate to move upward to lift the stacked golden segments in the receiving groove upward at the same time.

[0045] The first driving mechanism includes a first motor and a flexible roller. The first motor is disposed on the base. The flexible roller is engaged with the rotating shaft of the first motor. The first motor can drive the flexible roller to rotate so as to transport a golden section at the top of the receiving groove to the direction of the transport hole of the base.

[0046] The second driving mechanism includes a shell, a second motor and a conveyor belt. The shell is arranged on the base and forms a conveying hole. The second motor is arranged on the shell. The rotating shaft of the second motor is connected to the conveyor belt. The conveyor belt extends into the conveying hole. The second motor can drive the conveyor belt to rotate to convey the gold segment in the conveying hole to between the punching head and the support rod. At the same time, the end of the gold segment away from the conveying hole abuts against the base.

[0047] In one embodiment of the present application, the stamping part is provided with a punching tool, the gold bar extends into the conveying hole and is conveyed to between the stamping head and the support rod through the second driving mechanism, and at the same time, one end of the gold bar away from the conveying hole abuts against the base;

[0048] When the punching mechanism punches downward, the punching member drives the punching tool to move downward, and the punching tool fits with the shell to punch and cut the gold bar into gold segments of required length.

[0049] Compared with the prior art, the beneficial effects of this application are:

[0050] A gold ring extrusion device includes a positioning mechanism, a support rod, an elastic member and a screw rod. The positioning mechanism is provided with a first annular groove and a threaded hole in the horizontal direction, and the central axis of the threaded hole is the same as the central axis of the first annular groove; the support rod extends into the first annular groove, and a first end portion is provided at one end of the support rod away from the first annular groove; the elastic member extends into the first annular groove, one end of the elastic member abuts against the support rod, and the other end abuts against the inner wall of the first annular groove of the positioning mechanism; the screw rod passes through the support rod and is threadedly connected to the threaded hole, and the nut of the screw rod abuts against the support rod, and the screw rod can rotate to control the depth of the support rod extending into the first annular groove, thereby ensuring that the gold segment is close to the first end portion of the support rod during the molding process. The extrusion molding process of the gold ring is realized by the extrusion device of the gold ring. Before the extrusion device of the gold ring is operated, in order to ensure that the gold segment is fully supported during the processing process, the support rod in the extrusion device is first pre-debugged. According to the width of the gold bar or the gold segment, the length of the support rod is adjusted so that the support rod can provide stable support during the molding and ejection process, especially to ensure that the gold segment is always close to the first end position of the support rod during the molding process. The support rod can be adjusted in length according to the width of the gold segment, achieving effective support for gold segments of different widths, reducing friction between the support rod and the ring during ejection, and avoiding indentations on the surface of the ring blank. This ensures the consistency of the finished product quality of each ring blank, so that the finished product quality remains at a high level in mass production, provides a basis for the automated production of rings, and effectively improves production efficiency.

[0051] Other features and advantages of the present application will be described in the following description, and partly become apparent from the description, or be understood by practicing the present application. The purpose and other advantages of the present application can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0053] Figure 1 A three-dimensional diagram of a gold ring extrusion device provided in one embodiment of the present application;

[0054] Figure 2 A three-dimensional diagram of a gold ring extrusion device provided in one embodiment of the present application;

[0055] Figure 3 A front view of a gold ring extrusion device provided in one embodiment of the present application;

[0056] Figure 4 A front view of a gold ring extrusion device provided in one embodiment of the present application (including the base);

[0057] Figure 5 An exploded perspective view of a gold ring extrusion device provided in one embodiment of the present application (including the base);

[0058] Figure 6 A three-dimensional diagram of a second driving mechanism provided in one embodiment of the present application;

[0059] Figure 7 A three-dimensional diagram of some components of a gold ring extrusion device provided in one embodiment of the present application;

[0060] Figure 8 for Figure 7 P1-P1 cross-sectional view;

[0061] Fig. 9 A three-dimensional diagram of some components of a gold ring extrusion device provided in one embodiment of the present application;

[0062] Fig.10 for Fig. 9 P2-P2 cross-sectional view;

[0063] Fig.11 for Fig. 9 P3-P3 cross-sectional view;

[0064] Fig.12 A top view of some components of a gold ring extrusion device provided in one embodiment of the present application;

[0065] Fig.13 for Fig.12 The observation angle is Fig. 9 P2-P2 sectional exploded view.

[0066] Description of reference numerals:

[0067] 10. Extrusion equipment for gold rings; 110. Positioning member; 111. First annular groove; 112. Threaded hole; 113. Positioning column; 114. Ejection hole; 120. First reset member; 130. First guide column; 210. Support rod; 211. Annular column; 2111. Second annular groove; 212. Cap groove; 213. Communication hole; 214. Avoidance groove; 220. Elastic member; 230. Screw; 231. Nut; 310. Reset ejector rod; 311. Rear shift block; 312. Ejector rod; 320. Inclined guide rod; 400. Base; 410, guide groove; 420, plug interface; 430, conveying hole; 500, stamping mechanism; 510, stamping part; 512, stamping block; 513, stamping head; 514, punching tool; 520, second reset member; 530, second guide column; 540, hydraulic press; 600, second driving mechanism; 610, housing; 620, second motor; 630, conveyor belt; 710, base; 711, plug-in end; 712, accommodating groove; 721, cylinder; 730, first driving mechanism; 731, first motor; 732, flexible roller. DETAILED DESCRIPTION

[0068] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0069] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of this application.

[0070] It should be noted that when an element is referred to as being "fixed on" or "set on" another component, it can be directly on the other component or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0071] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0072] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0073] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0074] Please refer to Figures 1 to 13 The present application proposes an extrusion molding process for a gold ring, comprising the following steps:

[0075] Step S1: Pre-debug the length of the support rod 210. According to the width of the gold bar or gold segment, adjust the length of the support rod 210 so that it can fully support the width of the gold segment and ensure that the gold segment is close to the first end position of the support rod 210 during the molding process, thereby reducing friction during ejection and facilitating the smooth removal of the ring blank.

[0076] Step S2: conveying the gold segment to between the punch head 513 and the support rod 210;

[0077] Step S3: The gold segment is pressed by the punch head 513 until it fits on the support rod 210, so that the gold segment forms a preliminary semi-cylindrical shape. The punch head 513 continues to press and pushes the support rod 210 to move along the direction of the guide groove 410, so that the unformed side of the gold segment gradually contacts the inner wall of the guide groove 410, driving the gold segment to continue to bend along the inner wall of the guide groove 410, and forming a ring blank that is close to a circular ring shape;

[0078] Step S4: Control the reset ejector pin 310 to retract inwards during the forming process to avoid interference, and eject the ring blank outwards after the ring blank is formed, thereby completing the extrusion forming of the ring blank;

[0079] Specifically, in step S1, before the extrusion equipment 10 for the gold ring is operated, in order to ensure that the gold segment is fully supported during the processing, the support rod 210 in the extrusion equipment is first pre-debugged. According to the width of the gold bar or gold segment, the length of the support rod 210 is adjusted so that the support rod 210 can provide stable support during the molding and ejection process, especially to ensure that the gold segment is always close to the first end position of the support rod 210 during the molding process (it can also be just at the edge, but the width of the gold segment cannot exceed the first end position). The adjustment of the length of the support rod 210 ensures that the length of the support rod 210 can be adjusted according to the width of the gold segment to achieve effective support for gold segments of different widths. This adjustment adapts to the width change of the gold segment and avoids problems such as uneven force on the ring blank and surface dents caused by improper support of traditional equipment.

[0080] It should be understood that in the molding equipment, if the support rod 210 is not properly adjusted, the wider gold segment (such as a width of 20mm) may not be able to fully contact the support rod 210, resulting in uneven force on the gold segment due to insufficient support during the molding process, and may even form a non-fitting dent. At the same time, for the narrower gold segment (such as a width of 2mm), if the support rod 210 is not adjusted to a suitable length, the gold segment may be too far away from the end of the support rod 210 during ejection, causing greater friction during the ejection process, resulting in damage to the surface of the ring blank, and even causing the ring blank to fail to be ejected. In the present application, the length of the support rod 210 is adjusted through the S11 step, so that the support rod 210 can effectively adapt to gold segments of different widths, which not only improves the support stability, but also reduces friction, ensuring the smoothness of the molding and ejection links.

[0081] In step S2, after the length of the support rod 210 is pre-determined, the gold segments cut to the same length are transported between the punch head 513 and the support rod 210. In this way, the length of each gold segment is consistent, ensuring that the size of the ring blank after forming is uniform.

[0082] In step S3, the punch head 513 is used to squeeze the gold segment until it fits on the support rod 210, so that the gold segment forms a preliminary semi-cylindrical shape. Under the continuous squeezing of the punch head 513, the support rod 210 moves along the direction of the guide groove 410, so that the unformed side of the gold segment gradually contacts the inner wall of the guide groove 410, and at the same time, the reset push rod 310 shrinks inward to avoid interference with the forming of the gold segment. The guide groove 410 is semi-cylindrical, and the gold segment bends on the inner wall of the guide groove 410, and finally forms a ring blank that is close to a circular ring shape and is sleeved on the support rod 210. When the ring blank is formed, the reset push rod 310 pushes the ring blank outward, and the formed ring blank is pushed off the support rod 210, thereby completing the extrusion forming of the ring blank.

[0083] It is worth noting that the thickness direction of the gold bar is the same as the radial direction of the ring blank that will be extruded later, while the width direction of the gold bar is perpendicular to the thickness direction of the gold bar.

[0084] In summary, by adjusting the length of the support rod 210 in step S1, it is ensured that the support rod 210 can be adjusted in length according to the width of the golden segment, so as to achieve effective support for golden segments of different widths. This adjustment adapts to the width change of the golden segment and avoids the problems of uneven force on the ring blank and surface dents caused by improper support of traditional equipment. During the molding and ejection process, the first end position of the support rod 210 always maintains a close distance with the golden segment. In this way, during ejection, the thrust of the reset ejector 310 can directly and effectively act on the ring blank, reducing the friction between the support rod 210 and the support rod 210 during the ejection process. This not only avoids indentations on the surface of the ring blank, but also ensures the smooth surface and high-quality appearance of the ring blank. The length of the support rod 210 is adjusted to adapt to the specifications of different widths of the golden segment, combined with the golden segment of the same length, to ensure the consistency of the size of each ring blank, so that the quality of the finished product is maintained at a high level in mass production, providing a basis for the automated production of rings and effectively improving production efficiency.

[0085] Please refer to Figures 7 to 13 , step S11 further includes:

[0086] S11: Extend the support rod 210 into the first annular groove 111 of the positioning mechanism, and at the same time, one end of the elastic member 220 abuts against the support rod 210 and the other end abuts against the positioning mechanism;

[0087] S12: The screw rod 230 passes through the support rod 210 and is threadedly connected to the positioning mechanism, and at the same time, the nut 231 of the screw rod 230 abuts against the support rod 210, so that the support rod 210 and the positioning mechanism squeeze the elastic member 220 at the same time, so that the support rod 210 is tensioned;

[0088] S13: According to the width of the gold bar or gold segment, the screw 230 is rotated to move the screw 230 toward or away from the positioning mechanism, thereby controlling the depth of the support rod 210 extending into the first annular groove 111 to accommodate gold segments of different widths. At the same time, it is ensured that the gold segment is always close to the first end position of the support rod 210 during the molding process, thereby reducing friction during ejection and facilitating the smooth removal of the ring blank.

[0089] Specifically, in step S11, the support rod 210 is positioned by the first annular groove 111 in the positioning mechanism, and a portion of the support rod 210 is inserted into the first annular groove 111 of the positioning mechanism. One end of the elastic member 220 abuts against the support rod 210, and the other end abuts against the inner wall of the positioning mechanism.

[0090] In step S12, the screw rod 230 penetrates the support rod 210 and is connected to the threaded hole 112 of the positioning mechanism, and at the same time, the nut 231 of the screw rod 230 abuts against the support rod 210, and one end of the elastic member 220 abuts against the support rod 210, and the other end abuts against the inner wall of the positioning mechanism, so that the support rod 210 is tensioned and supported in the positioning mechanism, and the elastic member 220 provides a buffering function of adjustment and support. Thus, the support rod 210 and the positioning mechanism are in a tensioned state.

[0091] In step S13, according to the width of different gold bars or gold segments, the screw rod 230 can be moved toward or away from the positioning mechanism by rotating the screw rod 230. The rotation of the screw rod 230 adjusts the depth of the support rod 210 along the first annular groove 111, thereby achieving precise control of the insertion depth of the support rod 210.

[0092] In summary, the length of the support rod 210 can flexibly adapt to the golden segments of different widths, ensuring that the golden segment is always close to the first end of the support rod 210 during the molding process. Especially in the ejection stage, the design of the support rod 210 close to the first end can effectively reduce the ejection friction and ensure the smooth removal of the ring blank. When realizing automated processing, the support rod 210 only needs to be adjusted according to the width of the golden segment each time to ensure the standardization and consistency of production, thereby improving the efficiency and yield rate of the ring molding process.

[0093] Please refer to Figure 4 and Figure 5 , step S2 further includes:

[0094] S21: placing a plurality of gold segments cut to the same length into the receiving groove 712 in a horizontal direction;

[0095] S22: the lifting cylinder 721 lifts the golden section;

[0096] S23: The first driving mechanism 730 transports a golden section at the top of the receiving groove 712 to the second driving mechanism 600;

[0097] S24: The second driving mechanism 600 transports the golden segment to between the punching head 513 and the support rod 210 .

[0098] Specifically, in step S21, before starting the forming operation, the gold segments cut to the same length are first placed horizontally into the receiving groove 712 to ensure that the length of each gold segment is consistent. Such size control not only helps the finished product consistency of the ring blank, but also simplifies the subsequent automated processing steps and avoids the problem of inaccurate positioning or inconsistent forming due to length differences.

[0099] In step S22, the gold segments in the receiving groove 712 are gradually lifted. The lifting cylinder 721 is responsible for lifting the gold segments at the bottom of the receiving groove 712 upward as a whole, so that the top gold segments are in the conveying position.

[0100] In step S23, after the lifting cylinder 721 lifts the golden segment to a suitable height, the first driving mechanism 730 conveys the golden segment at the top of the receiving groove 712 to the waiting position of the second driving mechanism 600. The function of the first driving mechanism 730 is to convey the golden segments one by one to the designated position so that they can smoothly enter the conveying system of the next stage.

[0101] In step S24, the second driving mechanism 600 is located at the side between the punch head 513 and the support rod 210. When the golden segment reaches the waiting position of the second driving mechanism 600, the second driving mechanism 600 accurately transports the golden segment to the processing position between the punch head 513 and the support rod 210. The design of this step ensures the stable positioning of the golden segment, provides a reliable basis for the subsequent stamping and forming, and avoids the forming error caused by the inaccurate position of the golden segment.

[0102] Please refer to Figure 1 , Fig.12 and Fig.13In one embodiment, a gold ring extrusion device 10 includes a positioning mechanism (not marked in the figure), a support rod 210, an elastic member 220 and a screw rod 230. The positioning mechanism is provided with a first annular groove 111 and a threaded hole 112 in the horizontal direction. The central axis of the threaded hole 112 is the same as the central axis of the first annular groove 111. The support rod 210 extends into the first annular groove 111, and a first end portion is provided at one end of the support rod 210 away from the first annular groove 111. The elastic member 220 extends into the first annular groove 111, and one end of the elastic member 220 abuts against the support rod 210, and the other end abuts against the inner wall of the first annular groove 111 of the positioning mechanism. The screw rod 230 passes through the support rod 210 and is threadedly connected to the threaded hole 112. The nut 231 of the screw rod 230 abuts against the support rod 210. The screw rod 230 can rotate to control the depth of the support rod 210 extending into the first annular groove 111, thereby ensuring that the gold segment is close to the first end portion of the support rod 210 during the molding process.

[0103] Specifically, the depth adjustment of the support rod 210 becomes accurate through the threaded connection between the screw rod 230 and the support rod 210. The length of the support rod 210 can be flexibly adjusted according to the width of the gold segment to ensure effective support for gold segments of different specifications during the molding process. This length adjustment design of the support rod 210 can meet the processing requirements of gold segments of different widths, avoiding the problem of insufficient support or excessive support in the prior art. One end of the elastic member 220 abuts against the support rod 210, and the other end abuts against the inner wall of the first annular groove 111 of the positioning mechanism. The support rod 210 obtains elastic tension during the adjustment process. This tensioning structure provides more stable support during the molding of the gold segment, avoiding the position deviation or loosening of the support rod 210 during the force process. The elastic tensioning design ensures the accuracy of molding, prevents uneven molding of the gold segment, and improves the molding accuracy of the ring blank. After adjustment, the support rod 210 always remains at the first end position close to the gold segment. During the ejection stage, the force of the reset ejector pin 310 can be applied more directly to the ring blank, reducing the friction between the ring blank and the support rod 210. This design reduces the indentation or surface damage caused by friction on the surface of the ring blank, thereby significantly improving the surface finish and quality of the finished ring.

[0104] The outer circumferential surface of the support rod 210 is provided with a lubricating layer, and the lubricating layer is used to increase the lubricity of the outer circumferential surface of the support rod 210, so as to reduce the friction force when the reset ejector rod 310 ejects the ring blank.

[0105] It should be understood that in existing ring forming equipment, since the support rod 210 cannot adapt to golden segments of different widths, it often leads to insufficient support or unstable support, which affects the forming accuracy. In the ejection stage, since the position of the support rod 210 is fixed, the friction between the ring blank and the support rod 210 is large during ejection, which can easily cause damage to the surface of the ring blank. In the present application, through the coordinated action of the screw 230, the support rod 210, the elastic member 220 and the positioning mechanism, the length of the support rod 210 is flexibly adjusted, the supporting force and stability of the support rod 210 are ensured, and the ejection friction is reduced. This not only improves the adaptability of the ring forming process, but also ensures the quality of the finished product and processing efficiency.

[0106] Please refer to Figures 7 to 13 In one embodiment, the support rod 210 is provided with an annular column 211 along the axial direction, and the annular column 211 can extend into the first annular groove 111, and the annular column 211 is provided with a second annular groove 2111, one end of the elastic member 220 abuts against the inner wall of the first annular groove 111 of the positioning mechanism, and the other end abuts against the inner wall of the second annular groove 2111 of the support rod 210; the support rod 210 is provided with a cap groove 212, a connecting hole 213 and an avoidance groove 214 along the axial direction, the cap groove 212 and the avoidance groove 214 are connected through the connecting hole 213, the central axis of the connecting hole 213 is the same as the central axis of the avoidance groove 214, the aperture of the connecting hole 213 is smaller than the diameter of the nut 231, and the cap groove 212 and the avoidance groove The aperture of 214 is larger than that of the connecting hole 213; the positioning mechanism is provided with a positioning column 113 in the first annular groove 111, and the threaded hole 112 is arranged in the axial direction of the positioning column 113. The first annular groove 111 is not connected with the threaded hole 112, and the radial size and shape of the positioning column 113 are the same as the radial size and shape of the avoidance groove 214; the screw 230 passes through the cap groove 212, the connecting hole 213 and the avoidance groove 214 in sequence and is threadedly connected with the threaded hole 112, while the nut 231 is arranged in the cap groove 212 and abuts against the inner wall of the cap groove 212, the positioning column 113 extends into the avoidance groove 214, and the outer wall of the positioning column 113 is in contact with the inner wall of the support rod 210 in the avoidance groove 214;

[0107] When the screw rod 230 moves toward the threaded hole 112 , the elastic member 220 moves from the extended state to the compressed state, and the length of the support rod 210 extending outside the positioning mechanism becomes shorter.

[0108] When the screw rod 230 moves in a direction away from the threaded hole 112 , the elastic member 220 moves from a compressed state to an extended state, and the length of the support rod 210 extending outside the positioning mechanism becomes longer.

[0109] Specifically, the annular column 211 can extend into the first annular groove 111 of the positioning mechanism, one end of the elastic member 220 abuts against the inner wall of the first annular groove 111 of the positioning mechanism, and the other end abuts against the inner wall of the second annular groove 2111 of the support rod 210, so that the elastic member 220 can effectively provide tension. The cap groove 212 is connected to the avoidance groove 214 through the connecting hole 213. The central axis of the connecting hole 213 is the same as the central axis of the avoidance groove 214, and its aperture is smaller than the diameter of the nut 231. The screw rod 230 passes through the cap groove 212, the connecting hole 213 and the avoidance groove 214 in sequence and is threadedly connected with the threaded hole 112, thereby forming a positioning for the nut 231; the apertures of the cap groove 212 and the avoidance groove 214 are larger than the connecting hole 213, ensuring that the nut 231 can rotate freely in the cap groove 212, but will not pass through the connecting hole 213. The radial size and shape of the positioning column 113 are the same as the radial size and shape of the avoidance groove 214 of the support rod 210. The positioning column 113 is fixed in the annular groove along the axial direction of the screw rod 230, so that the threaded hole 112 can be threadedly connected with the screw rod 230, and the first annular groove 111 and the threaded hole 112 are isolated from each other. This design ensures that when the screw rod 230 rotates, the support rod 210 can move along the direction of the first annular groove 111, thereby adjusting the length of the support rod 210, while ensuring the stable connection between the screw rod 230 and the threaded hole 112, avoiding the risk of the screw rod 230 loosening.

[0110] It should be noted that the positioning column 113 is not cylindrical, and the radial size and shape of the positioning column 113 are the same as the radial size and shape of the avoidance groove 214 to prevent the support rod 210 from rotating when the screw rod 230 rotates.

[0111] In summary, the screw 230 passes through the cap slot 212, the connecting hole 213 and the avoidance slot 214 of the support rod 210 in sequence, and is threadedly connected to the threaded hole 112 in the positioning mechanism. The nut 231 is located in the cap slot 212, and the screw 230 can move toward or away from the threaded hole 112 when rotating, thereby controlling the length of the support rod 210 extending out of the positioning mechanism. When the screw 230 moves toward the threaded hole 112, the elastic member 220 changes from an extended state to a compressed state, shortening the length of the support rod 210 extending out of the positioning mechanism; when the screw 230 moves away from the threaded hole 112, the elastic member 220 changes from a compressed state to an extended state, and the length of the support rod 210 extending out of the positioning mechanism increases. This telescopic adjustment design meets the support requirements of golden segments of different widths.

[0112] Please refer to Figures 9 to 13In one embodiment, the extrusion device 10 for the gold ring further includes a reset ejector pin 310, the reset ejector pin 310 includes a rearward moving block 311 and an ejector pin 312, the positioning mechanism further includes an ejector hole 114, the ejector pin 312 passes through the ejector hole 114, the ejector pin 312 is slidably connected to the ejector hole 114, and the radial direction of the ejector pin 312 is in radial contact with the support rod 210 outside the first annular groove 111.

[0113] When the positioning mechanism moves downward, the rearward moving block 311 drives the ejection rod 312 to move in a direction away from the first end portion to prevent the golden segment from being disturbed during the molding process.

[0114] When the positioning mechanism moves upward, the rearward moving block 311 drives the ejection rod 312 to move toward the first end, so that the formed ring blank is ejected from the support rod 210 by the ejection rod 312 .

[0115] Specifically, the function of the rearward moving block 311 of the reset ejector pin 310 is to drive the ejector pin 312 to adjust the front-rear direction in a specific process, and the ejector pin 312 is responsible for ejecting the ring blank out of the support rod 210 after the ring blank is formed, so as to smoothly remove the ring blank.

[0116] In summary, when the positioning mechanism moves downward, the rearward block 311 drives the ejector rod 312 to move in a direction away from the first end of the support rod 210, so that the ejector rod 312 will not interfere with the bending forming of the golden segment during the golden segment forming process. At this time, the ejector rod 312 is moved away from the golden segment forming position, providing enough space for the golden segment forming process. When the positioning mechanism moves upward, the rearward block 311 drives the ejector rod 312 in the opposite direction to move toward the first end of the support rod 210, and the ejector rod 312 can directly contact the ring blank through the structure that fits with the support rod 210, and eject the formed ring blank from the support rod 210.

[0117] Please refer to Figure 1In one embodiment, the positioning mechanism includes a hydraulic press 540, a positioning member 110, a first reset member 120 and a first guide column 130. The first annular groove 111, the threaded hole 112 and the ejection hole 114 are all provided on the positioning member 110. The hydraulic press 540 is fixedly connected to the positioning member 110. The hydraulic press 540 can drive the positioning member 110 to move upward or downward. The extrusion device 10 for the gold ring also includes a base 400 and an inclined guide rod 320. One of the first guide column 130 One end of the inclined guide rod 320 is fixed on the base 400, and the other end passes through the rearward moving block 311. One end of the inclined guide rod 320 is fixed to the base 400 away from the positioning member 110, and the other end passing through the rearward moving block 311 is close to the positioning member 110.

[0118] When the positioning member 110 moves downward, the positioning member 110 drives the backward moving block 311 to move downward, and at the same time, the backward moving block 311 moves downward along the extension direction of the inclined guide rod 320, thereby driving the ejection rod 312 to move in a direction away from the first end.

[0119] When the positioning member 110 moves upward, the positioning member 110 drives the backward moving block 311 to move upward, and at the same time, the backward moving block 311 moves upward along the extension direction of the inclined guide rod 320, thereby driving the ejection rod 312 to move toward the first end.

[0120] Specifically, the first reset member 120 is sleeved on the first guide column 130, one end of the first reset member 120 abuts against the base 400, and the other end abuts against the positioning member 110. The first reset member 120 can be restored to the initial position by the elasticity of the first reset member 120. One end of the tilting guide rod 320 is fixed to the base 400, and the other end passes through the sliding hole of the rearward moving block 311. The shape and size of the sliding hole are adapted to the radial shape and size of the tilting guide rod 320. The tilting guide rod 320 is designed to allow the rearward moving block 311 to tilt along the guide rod direction during the movement of the positioning member 110.

[0121] In summary, when the positioning member 110 moves downward, the rearward block 311 drives the ejector rod 312 to move in a direction away from the first end of the support rod 210 through the guidance of the inclined guide rod 320. At this time, the ejector rod 312 is away from the molding area, providing sufficient space for the bending molding of the golden segment and avoiding interference of the ejector rod 312 during the molding process. When the positioning member 110 moves upward, the inclined guide rod 320 causes the rearward block 311 to tilt upward, thereby driving the ejector rod 312 to gradually move toward the first end of the support rod 210, and finally contacting and ejecting the ring blank. This guiding effect ensures that the ejector rod 312 can reach the ejection position accurately, realizes the smooth falling off of the ring blank, and effectively improves the smoothness of the ejection process.

[0122] Please refer to Figures 1 to 3 In one embodiment, the extrusion device 10 of the gold ring also includes a stamping mechanism 500, which is located above the positioning member 110. The stamping mechanism 500 includes a stamping member 510, a second reset member 520 and a second guide column 530. One end of the second guide column 530 is provided on the base 400, and the other end is movably connected to the stamping member 510. The second reset member 520 is sleeved on the second guide column 530. One end of the second reset member 520 abuts against the base 400, and the other end abuts against the stamping member 510. A stamping block 512 is provided on the side of the stamping member 510 facing the positioning member 110, and a stamping head 513 is provided on the side of the stamping member 510 facing the support rod 210; a semi-cylindrical guide groove 410 is provided on the side of the base 400 facing the stamping head 513.

[0123] When the punching mechanism 500 punches downward, the punching part 510 drives the punching block 512 and the punching head 513 to move downward, so that the punching block 512 presses down the positioning part 110, and the punching head 513 presses down the support rod 210, so that the positioning part 110 moves downward, and at the same time, the punching head 513 squeezes the gold segment to fit on the support rod 210, so that the gold segment forms a semi-cylindrical shape, and the punching head 513 continues to move downward, so that the semi-circular ring-shaped gold is bent along the groove wall of the guide groove 410 under the action of thrust, forming a ring blank that is close to a circular ring shape.

[0124] Specifically, the stamping part 510 is responsible for applying downward pressure to the gold segment. The stamping head 513 squeezes the gold segment to fit on the support rod 210 during the stamping process, driving the gold segment to fit on the support rod 210 and bend along the guide groove 410, so that the gold segment gradually forms a semi-cylindrical shape. The gold segment is stressed along the groove wall of the guide groove 410 and bends downward, eventually forming a ring blank that is close to a circular ring. The second reset member 520 is sleeved on the second guide column 530, with one end abutting against the base 400 and the other end abutting against the stamping part 510, providing a reset function for the stamping part 510, so that the stamping part 510 can automatically reset after the stamping action is completed.

[0125] In summary, when the stamping mechanism 500 is started, the stamping part 510 drives the stamping block 512 and the stamping head 513 to move downward at the same time, and the stamping block 512 acts on the positioning member 110, so that the positioning member 110 drives the support rod 210 to move downward synchronously, ensuring that the support rod 210 always keeps in contact with the golden segment, so that the golden segment gradually forms a preliminary semi-cylindrical shape under the guidance of the support rod 210. Under the extrusion force of the stamping head 513, the golden segment gradually fits on the surface of the support rod 210, and bends along the groove wall under the guidance of the guide groove 410, and finally forms a ring blank that is close to a circular ring. The continuous downward pressure of the stamping head 513 ensures that the force is evenly distributed during the golden segment forming process, avoiding deformation or quality defects caused by insufficient pressure or uneven force in the traditional forming process. After the forming is completed, the second reset member 520 provides a reverse elastic force to automatically reset the stamping part 510 to the initial position, ready for the next stamping.

[0126] Please refer to Figures 1 to 6 In one embodiment, the extrusion device 10 for the gold ring further includes a base 710, a lifting mechanism (not marked in the figure), a first driving mechanism 730 and a second driving mechanism 600. The base 710 is provided with a plug-in end 711, and the base 400 is provided with a plug-in interface 420 and a conveying hole 430. The plug-in end 711 is inserted into the plug-in interface 420, and the plug-in end 711 is provided with a receiving groove 712. The gold segments are stacked one by one into the receiving groove 712; the lifting mechanism includes a cylinder 721 and a lifting plate (not marked in the figure), the cylinder 721 is provided on the base 710, and the lifting plate is provided in the receiving groove 712. The cylinder 721 can drive the lifting plate to move upward to lift the stacked gold segments in the receiving groove 712 upward at the same time; the first driving mechanism 730 includes a first motor 731 and a soft roller 732, and the first motor 731 is provided at the bottom On the seat 710, the soft roller 732 is clamped with the rotating shaft of the first motor 731, and the first motor 731 can drive the soft roller 732 to rotate to transport a gold segment at the top of the accommodating groove 712 to the direction of the conveying hole 430 of the base 400; the second driving mechanism 600 includes a shell 610, a second motor 620 and a conveyor belt 630, the shell 610 is arranged on the base 400 and forms a conveying hole 430, the second motor 620 is arranged on the shell 610, the rotating shaft of the second motor 620 is transmission-connected with the conveyor belt 630, the conveyor belt 630 extends into the conveying hole 430, and the second motor 620 can drive the conveyor belt 630 to rotate to transport the gold segment in the conveying hole 430 to between the punching head 513 and the support rod 210, and at the same time, the end of the gold segment away from the conveying hole 430 abuts against the base 400.

[0127] Specifically, the plug-in end 711 is inserted into the plug-in port 420 to form a stable connection, and the receiving groove 712 is used to stack the gold segments cut to the same length, so as to realize multi-segment one-time feeding and improve the continuous production capacity of the equipment. The cylinder 721 is installed on the base 710, driving the lifting plate to move up and down in the receiving groove 712, gradually lifting the gold segment to the conveying position to ensure continuous feeding. The first driving mechanism 730 includes a first motor 731 installed on the base 710 and a soft roller 732 connected to the motor shaft. The motor drives the soft roller 732 to rotate, and conveys the gold segment at the top of the receiving groove 712 to the direction of the conveying hole 430 of the base 400, ensuring smooth conveying and avoiding damage to the gold segment due to hard squeezing. The second driving mechanism 600 includes a shell 610, a second motor 620 and a conveyor belt 630. The shell 610 is arranged on the base 400 and forms a conveying hole 430. The second motor 620 drives the conveyor belt 630 to accurately convey the gold segment to between the punching head 513 and the support rod 210. At the same time, the end of the gold segment away from the conveying hole 430 abuts against the base 400 to ensure that the gold segment is stably positioned during stamping and reduce molding errors.

[0128] Automatic loading and conveying process: The cylinder 721 drives the lifting plate to rise, and gradually lifts the gold segment in the receiving groove 712 to the top, ensuring that the topmost gold segment is in the conveying position. The first motor 731 drives the soft roller 732 to rotate, and conveys the topmost gold segment to the conveying hole 430 of the base 400 to prepare for the second drive mechanism 600. The first drive mechanism 730 ensures the smooth conveying of the gold segment and avoids the position deviation of the gold segment during the conveying process. The second drive mechanism 600 conveys the gold segment from the conveying hole 430 to the processing position between the punch head 513 and the support rod 210 through the conveyor belt 630. The precise control of the conveyor belt 630 enables the gold segment to maintain stable contact with the base 400 when entering the stamping position, ensuring the accurate positioning of the gold segment and providing a stable foundation for stamping.

[0129] It should be noted that the soft roller 732 is a non-solid roller or a softer rubber wheel. The non-solid roller is similar to an airless tire structure. It wraps the golden segment through three surfaces and pushes it stably to the direction of the conveying hole 430 of the base 400 to avoid damage to the golden segment due to hard squeezing.

[0130] Please refer to Figure 1 and Figure 6 In one embodiment, the stamping part 510 is provided with a punching tool 514, the gold bar extends into the conveying hole 430 and is conveyed to between the stamping head 513 and the support rod 210 through the second driving mechanism 600, and at the same time, the end of the gold bar away from the conveying hole 430 abuts against the base 400.

[0131] When the punching mechanism 500 punches downward, the punching member 510 drives the punching tool 514 to move downward, and the punching tool 514 fits with the housing 610 to punch and cut the gold bar into gold segments of required length.

[0132] Specifically, in addition to stacking the gold segments one by one into the receiving groove 712, the gold bar can also be directly inserted into the second driving mechanism 600. The gold bar is inserted into the second driving mechanism 600, and the punching tool 514 moves vertically under the drive of the punching part 510, and cooperates with the punching mechanism 500 to complete the cutting of the gold bar. When the gold bar is stably transported to the positioning position between the punching head 513 and the support rod 210 through the second driving mechanism 600, the punching tool 514 cuts the gold bar and cuts it into gold segments of the required length to ensure that the size is consistent before entering the forming stage, thereby improving the accuracy and consistency of the ring blank. When the punching mechanism 500 starts to press down, the punching tool 514 fits with the shell 610 to complete the precise cutting of the gold bar, realize continuous and consistent cutting operations, and provide a high-quality size reference for subsequent forming.

[0133] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A gold ring extrusion device, comprising a base and a punching mechanism, characterized in that: Also includes: The positioning mechanism is provided with a first annular groove and a threaded hole in the horizontal direction, wherein the central axis of the threaded hole is the same as the central axis of the first annular groove; A support rod extending into the first annular groove, wherein an end of the support rod away from the first annular groove is provided with a first end portion; An elastic member extending into the first annular groove, one end of the elastic member abutting against the support rod, and the other end abutting against the inner wall of the positioning mechanism in the first annular groove; A screw rod passes through the support rod and is threadedly connected to the threaded hole, a nut of the screw rod abuts against the support rod, and the screw rod is rotatable to control the depth of the support rod extending into the first annular groove, so as to adapt to gold segments of different widths and ensure that the gold segment is close to the first end of the support rod during the molding process; A reset ejector rod, comprising a rearward moving block and an ejector rod, wherein the positioning mechanism is further provided with an ejector hole, wherein the ejector rod passes through the ejector hole, wherein the ejector rod is slidably connected to the ejector hole, and wherein the radial direction of the ejector rod is in contact with the radial direction of the support rod outside the first annular groove; The positioning mechanism further includes a positioning member, a first reset member and a first guide column, wherein the first annular groove, the threaded hole and the ejection hole are all arranged on the positioning member, one end of the first guide column is arranged on the base, and the other end is movably connected to the positioning member, the first reset member is sleeved on the first guide column, one end of the first reset member abuts against the base, and the other end abuts against the positioning member; When the positioning member moves downward, the backward movement block drives the ejector rod to move in a direction away from the first end portion, so as to prevent the golden segment from being disturbed during the molding process; When the positioning member moves upward, the backward moving block drives the ejector rod to move toward the first end portion, so that the formed ring blank is ejected from the support rod by the ejector rod; The stamping mechanism is located above the positioning member, and the stamping mechanism includes a stamping member, a stamping block is provided on a side of the stamping member facing the positioning member, and a stamping head is provided on a side of the stamping member facing the support rod; A semi-cylindrical guide groove is provided on one side of the base facing the punch head; When the punching mechanism punches downward, the punching part drives the punching block and the punching head to move downward, so that the punching block presses down the positioning part, and at the same time the punching head presses down the support rod, thereby moving the positioning part downward, and at the same time the punching head squeezes the gold segment to fit onto the support rod, so that the gold segment forms a semi-cylindrical shape, and the punching head continues to move downward, so that the semi-circular ring-shaped gold segment bends along the groove wall of the guide groove under the action of thrust, forming a ring blank that is nearly circular.

2. The gold ring extrusion device according to claim 1, characterized in that: The support rod is provided with an annular column along the axial direction, the annular column can extend into the first annular groove, the annular column is provided with a second annular groove, one end of the elastic member abuts against the inner wall of the first annular groove, and the other end abuts against the inner wall of the second annular groove; The support rod is provided with a cap groove, a connecting hole and an avoidance groove along the axial direction, the cap groove is connected with the avoidance groove through the connecting hole, the central axis of the connecting hole is the same as the central axis of the avoidance groove, the aperture of the connecting hole is smaller than the diameter of the nut, and the apertures of the cap groove and the avoidance groove are larger than the aperture of the connecting hole; The positioning member is provided with a positioning column in the first annular groove, the threaded hole is provided in the axial direction of the positioning column, the first annular groove is not connected to the threaded hole, and the radial size and shape of the positioning column are the same as the radial size and shape of the avoidance groove; The screw rod passes through the cap groove, the connecting hole and the avoidance groove in sequence and is threadedly connected with the threaded hole. At the same time, the nut is arranged in the cap groove and abuts against the inner wall of the cap groove. The positioning column extends into the avoidance groove, and the outer wall of the positioning column abuts against the inner wall of the support rod in the avoidance groove. When the screw moves toward the threaded hole, the elastic member moves from an extended state to a compressed state, and the length of the support rod extending out of the positioning member becomes shorter; When the screw rod moves in a direction away from the threaded hole, the elastic member moves from a compressed state to an extended state, and the length of the support rod extending out of the positioning member becomes longer.

3. The gold ring extrusion device according to claim 2, characterized in that: The positioning mechanism further includes an inclined guide rod, one end of which is fixed to the base and the other end of which passes through the backward moving block, the end of which is fixed to the base being away from the positioning member and the end of which passes through the backward moving block being close to the positioning member; When the positioning member moves downward, the positioning member drives the backward moving block to move downward, and at the same time, the backward moving block moves obliquely downward along the extending direction of the inclined guide rod, thereby driving the ejection rod to move in a direction away from the first end; When the positioning member moves upward, the positioning member drives the backward moving block to move upward, and at the same time, the backward moving block moves upward obliquely along the extending direction of the inclined guide rod, thereby driving the ejection rod to move toward the first end.

4. The gold ring extrusion device according to claim 3, characterized in that: The stamping mechanism includes a second reset member and a second guide column, one end of the second guide column is arranged on the base, and the other end is movably connected to the stamping member, the second reset member is sleeved on the second guide column, one end of the second reset member abuts against the base, and the other end abuts against the stamping member.

5. The gold ring extrusion device according to claim 4, characterized in that: The extrusion equipment of the gold ring also includes: The base is provided with a plug-in end, a plug-in interface and a conveying hole are opened on the base, the plug-in end is inserted into the plug-in interface, the plug-in end is provided with a receiving groove, and the golden sections are stacked one by one into the receiving groove; The lifting mechanism includes a cylinder and a lifting plate. The cylinder is arranged on the base, and the lifting plate is arranged in the receiving groove. The cylinder can drive the lifting plate to move upward to lift the stacked golden segments in the receiving groove upward at the same time. The first driving mechanism includes a first motor and a flexible roller. The first motor is disposed on the base. The flexible roller is engaged with the rotating shaft of the first motor. The first motor can drive the flexible roller to rotate so as to transport a golden section at the top of the receiving groove to the direction of the transport hole of the base. The second driving mechanism includes a shell, a second motor and a conveyor belt. The shell is arranged on the base and forms a conveying hole. The second motor is arranged on the shell. The rotating shaft of the second motor is connected to the conveyor belt. The conveyor belt extends into the conveying hole. The second motor can drive the conveyor belt to rotate to convey the gold segment in the conveying hole to between the punching head and the support rod. At the same time, the end of the gold segment away from the conveying hole abuts against the base.

6. The gold ring extrusion device according to claim 5, characterized in that: The stamping part is provided with a punching tool, the gold bar extends into the conveying hole and is conveyed to between the stamping head and the support rod through the second driving mechanism, and at the same time, one end of the gold bar away from the conveying hole abuts against the base; When the punching mechanism punches downward, the punching member drives the punching tool to move downward, and the punching tool fits with the shell to punch and cut the gold bar into gold segments of required length.

7. An extrusion molding process for a gold ring, using the extrusion equipment for a gold ring according to any one of claims 1 to 6, comprising the following steps: S2: transport the golden segment to between the punch head and the support rod; S3: The gold segment is squeezed by the punch head until it fits on the support rod, so that the gold segment forms a preliminary semi-cylindrical shape. The punch head continues to squeeze and pushes the support rod to move along the guide groove direction, so that the unformed side of the gold segment gradually contacts the inner wall of the guide groove, driving the gold segment to continue to bend along the inner wall of the guide groove to form a nearly circular ring blank. The reset ejector rod is controlled to shrink inwards during the forming process to avoid interference, and the ring blank is ejected outwards after the ring blank is formed, completing the extrusion forming of the ring blank; The method is characterized in that, before step S2, step S1 is further included, in which the length of the support rod is pre-determined, and the length of the support rod is adjusted according to the width of the gold segment so that the support rod can fully support the width of the gold segment and ensure that the gold segment is close to the first end position of the support rod during the molding process, thereby reducing friction during ejection and facilitating the smooth falling off of the ring blank; step S1 also includes: S11: Extend the support rod into the first annular groove of the positioning mechanism, and at the same time, one end of the elastic member abuts against the support rod, and the other end abuts against the positioning mechanism at the same time; S12: The screw rod passes through the support rod and is threadedly connected to the positioning mechanism, and at the same time, the nut of the screw rod abuts against the support rod, so that the support rod and the positioning mechanism squeeze the elastic member at the same time, so that the support rod is tensioned; S13: According to the width of the gold segment, the screw is rotated to move toward or away from the positioning mechanism, thereby controlling the depth of the support rod extending into the first annular groove to adapt to gold segments of different widths and avoid indentations on the surface of the ring blank. At the same time, it is ensured that the gold segment is always close to the first end position of the support rod during the molding process, reducing friction during ejection and facilitating the smooth removal of the ring blank.

8. The extrusion molding process of a gold ring as claimed in claim 7, characterized in that: The step S2 further comprises: S21: placing a plurality of gold segments cut to the same length into the receiving groove in a horizontal direction; S22: The lifting cylinder lifts the golden section; S23: The first driving mechanism transports a golden segment at the top of the containing groove to the second driving mechanism; S24: The second driving mechanism transports the golden segment to between the punching head and the support rod.

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