Processing method of container corner fitting

Abstract

The invention discloses a container corner fitting machining method. The container corner fitting machining method comprises the following specific steps that S1, a feeding mechanism is additionally arranged on a mold body; s2, a cutting edge forming mechanism is additionally arranged on the die body; s3, molten steel pouring is conducted, specifically, molten steel obtained after melting is guided in along a casting head through corresponding pouring equipment, and the molten steel enters a forming cavity and a pouring feeding cavity through a pouring material guiding cavity and a material guiding channel; s4, after pouring is completed, the mold body is naturally cooled, sand shakeout is conducted, and a casting with a cutting edge at the joint is obtained; and S5, the joint of the casting is cut through corresponding cutting equipment, so that the product workpiece is cut off and separated. According to the die, the die body can be effectively improved, so that a cutting edge is effectively formed at the joint of a cast piece after pouring; and through cooperative improvement of cutting-off equipment, the cast product can be cut off and separated quickly and conveniently.

Description

Technical Field

[0001] The invention relates to the technical field of container corner fitting processing, and in particular to a container corner fitting processing method. Background Art

[0002] Container corner fittings, also known as box corners and lifting corners, are mainly used at the corners of containers and play a key role in the lifting, handling, fixing, stacking and fastening operations of containers.

[0003] At present, container corner fittings are generally processed by sand casting. The existing molds for processing container corner fittings generally include an upper sand shell and a lower sand shell. Molten steel is poured through the pouring and riser set on the upper sand shell. After the casting is completed, the casting generally contains four container corner fittings. After the sand shell is naturally cooled and the sand falls off, the container corner fittings need to be cut and separated by corresponding cutting equipment. Since the thickness of the connection between the container corner fitting and the material of the pouring and riser is relatively large, the workpieces are separated and cut mainly by thermal cutting methods such as flame, plasma, laser, etc., or cold cutting methods such as band saws, circular saws, milling cutters, etc. Such a cutting process not only has low cutting efficiency, but also relatively high cutting costs.

[0004] Therefore, the research purpose of the present invention is to design a method for processing container corner pieces that can effectively form a cutting edge at the joint of the casting after pouring through the improvement of the mold body; and can quickly and conveniently cut and separate the finished product after casting through the improvement of the cooperation of the cutting equipment. Summary of the invention

[0005] In view of the technical problems existing in the above-mentioned prior art, the present invention provides a method for processing container corner fittings, which can effectively solve the technical problems existing in the above-mentioned prior art.

[0006] The technical solution of the present invention is: A method for processing container corner fittings comprises the following specific steps: S1, a feeding mechanism is added to the mold body, the mold body comprises an upper sand shell and a lower sand shell which are closed and connected, a casting material guide cavity is arranged in the middle of the upper sand shell and the lower sand shell, a plurality of corresponding molding cavities are arranged around the upper sand shell and the lower sand shell, the molding cavities are connected to the casting material guide cavity through corresponding material guide channels, and a pouring riser connected to the casting material guide cavity is arranged on the upper sand shell; the feeding mechanism comprises a casting feeding cavity arranged on the upper side of the middle of the upper sand shell, the casting feeding cavity is connected to the casting material guide cavity, and a corresponding sand rod is fixed downward at the top center of the casting feeding cavity; S2, adding a cutting edge forming mechanism to the mold body, wherein the cutting edge forming mechanism comprises a forming convex edge provided at the junction of the material guide channel and the forming cavity, and the end of the forming convex edge is provided in a pointed shape; S3, molten steel pouring, the molten steel is introduced along the pouring riser through corresponding pouring equipment, and the molten steel enters the molding cavity and the pouring and feeding cavity through the pouring material guide cavity and the material guide channel; S4, after the pouring is completed, the mold body is naturally cooled and sand removed to obtain a casting with a cutting edge at the joint; S5, cutting the joints of the castings by using corresponding cutting equipment to cut off and separate the product workpieces.

[0007] The cutting equipment used in step S5 includes: A casing, wherein a group of tightening gears with front ends extending to the outside of the casing are laterally movably mounted on the front side of the casing, and a piston rod extending to a driving cylinder in the casing is fixedly mounted on the rear side of the casing; The tooth limiting mechanism comprises a guide component for guiding and limiting the top-tightening tooth, and an elastic component for pushing the top-tightening tooth inward to close a group of top-tightening tooth; The multifunctional cutting mechanism comprises a cutting rod which is longitudinally movably installed in the housing, the front end of the cutting rod is pointed, the inner end of the cutting rod is connected to the piston rod end of the driving oil cylinder through an elastic connector, the inner end of the cutting rod is fixedly installed with a corresponding ultrasonic transducer, and the ultrasonic transducer is connected to an external ultrasonic generator; the piston rod end of the driving oil cylinder extends, the cutting rod extends and presses between the inner ends of a group of pressing teeth, and the elastic connector is compressed; when the compression amount of the elastic connector reaches L1, the cutting rod pushes the pressing teeth away, so that a group of pressing teeth presses against the side wall of the workpiece; the cutting rod continues to move forward under the drive of the driving oil cylinder to press against the joint of the casting; the piston rod of the driving oil cylinder continues to extend, the elastic connector is further compressed, and when the compression amount of the elastic connector reaches L2, the ultrasonic transducer is triggered, and under ultrasonic vibration, the pointed end of the cutting rod ultrasonically cuts the joint of the casting.

[0008] The forming convex edges are respectively arranged on the lower sand shell, and the lower sand shell is respectively provided with corresponding receiving grooves at positions corresponding to the forming convex edges, and a plurality of corresponding return springs are respectively arranged in the receiving grooves at intervals and evenly distributed, and corresponding compression plates are respectively arranged on the upper and lower sides of the return springs, and the centers of the compression plates are connected by corresponding metal wires, and the return springs are fixed between the compression plates in an extruded state, and the forming convex edges are embedded in the receiving grooves, and the bottom surface of the forming convex edges abuts against the compression plate located at the upper part.

[0009] The molten steel enters between the upper sand shell and the lower sand shell through the pouring riser to cast the workpiece. After the casting is completed, the metal wire is heated and its elongation is improved. Under the elastic force of the return spring, the metal wire is stretched, and the return spring is expanded to drive the forming convex edge to rise.

[0010] The metal wire is made of copper.

[0011] A group of corresponding tightening balls with ends located outside the tightening teeth are respectively and rollingly mounted on the inner end surfaces of the tightening teeth. The tightening balls on different tightening teeth are arranged alternately. The tightening teeth are respectively provided with embedding grooves corresponding to the tightening balls. After the cutting rod pushes open the tightening teeth, it forms a rolling contact with the tightening balls.

[0012] The elastic connecting member adopts a compression spring, and the inner end of the cutting rod and the piston rod of the driving cylinder are respectively fixed with corresponding fixed ring plates, and the two ends of the elastic connecting member are respectively fixed to the corresponding fixed ring plates, and the ultrasonic transducer is fixedly sleeved inside the elastic connecting member.

[0013] The guide assembly includes a guide shaft that transversely passes through the clamping tooth part, and the guide shaft is fixed to the housing by a threaded connection. The elastic assembly adopts a coil spring, and the elastic assembly is sleeved on the guide shaft in a compressed state, and the two ends of the elastic assembly respectively abut against the side walls of the housing and the clamping tooth part.

[0014] The guide assembly further comprises a clamping plate fixedly connected to the inner end of the clamping toothed member, and guide grooves matching the clamping plate are arranged on both sides of the housing, and the clamping plate can be movably installed in the guide grooves.

[0015] The outer ends of the tightening teeth are respectively arranged in an inclined shape, and the outer ends of the tightening teeth are respectively arranged with corresponding anti-slip grooves.

[0016] Advantages of the present invention: 1) The present invention improves the design of the mold body, especially by adding a cutting edge forming mechanism, so that the joint of the casting after pouring has a cutting edge. Subsequently, the container corner piece workpiece can be directly cut by a cutting device to directly break the cutting edge, thereby quickly completing the separation and cutting of the container corner piece workpiece under the condition of low cost consumption.

[0017] 2) The present invention further improves the design of the cutting equipment. Through the intervention of the tooth limit mechanism, the clamping tooth can be always in a closed state to ensure that the clamping tooth can enter the joint of the casting; during the cutting process, the cutting rod is first pressed between the inner ends of a group of clamping teeth under the drive of the driving cylinder. When the compression amount of the elastic connector of the multifunctional cutting mechanism reaches L1, the thrust force of the cutting rod is sufficient to drive the clamping tooth to move laterally outward, thereby forming a gap so that the cutting rod can extend outward to drive a group of clamping teeth to press against the side wall of the workpiece; when the cutting rod moves forward to press against the joint of the casting, as the piston rod of the driving cylinder continues to extend, the elastic connector can be further compressed. When the compression amount of the elastic connector reaches L2, that is, the cutting rod has sufficient pressure on the joint of the casting, the ultrasonic transducer is triggered, so that the pointed end of the cutting rod can smoothly cut the joint of the casting under the action of high-frequency vibration and sufficient pressure. Thereby, the separation and cutting of the container corner piece workpiece can be completed quickly under the condition of low cost consumption.

[0018] 3) Since the addition of a blade forming mechanism often affects the fluidity of the molten steel and has an adverse effect on the subsequent shrinkage compensation of the product, shrinkage cavities are formed on the surface of the workpiece, which is very troublesome. For this reason, the present invention further adds a shrinkage compensation mechanism. During the pouring of molten steel, part of it enters the molding cavity through the material guide channel, and part of it enters the pouring and shrinkage compensation cavity. As the amount of material entering the pouring and shrinkage compensation cavity increases, the pressure of the molten steel increases, which can effectively assist in improving the flow rate of the molten steel; in addition, through the intervention of the sand rod set at the top center of the pouring and shrinkage compensation cavity, the air permeability at the center of the pouring and shrinkage compensation cavity can be effectively maintained, so that the molten steel in the pouring and shrinkage compensation cavity can be timely compensated to the molding cavity to prevent shrinkage cavities from forming on the surface of the workpiece, thereby effectively solving the adverse effects caused by the setting of the molding convex edge to ensure the quality of the product.

[0019] 4) The lower sand shell of the present invention is provided with corresponding receiving grooves at positions corresponding to the forming convex edges, and the forming convex edges are installed in the receiving grooves, thereby reducing the impact on the fluidity of molten steel; a number of reset springs are provided in the receiving grooves, and the reset springs are squeezed and fixed under the cooperation of the compression plate and the metal wire. After the pouring is completed, the extensibility of the metal wire will be greatly improved in a high-temperature environment. At this time, under the elastic force of the reset spring, the metal wire is easily stretched, so the reset spring can be unfolded to drive the forming convex edge to rise. In this way, the setting of the forming convex edge can be completed under the premise of ensuring the fluidity of molten steel, that is, the forming of the cutting edge can be completed, so as to improve the practical effect of the present invention.

[0020] 5) The inner end surfaces of a group of tightening teeth of the present invention are respectively rollingly mounted with tightening balls whose ends are located on the outside of the tightening teeth. The tightening balls on different tightening teeth are arranged alternately, and the tightening teeth are respectively provided with embedding grooves corresponding to the tightening balls to prevent the setting of the tightening balls from affecting the closing of a group of tightening teeth; and under the action of the tightening balls, the cutting rod can form rolling friction with the tightening teeth when it pushes open a group of tightening teeth and moves outward, thereby reducing component wear and reducing the influence of friction on elastic force, so as to ensure the practical effect of the present invention.

[0021] 6) The guide assembly of the present invention includes a guide shaft that transversely penetrates the top clamping tooth part, and a clamping plate fixed to the inner end of the top clamping tooth part. The clamping plate can be movably installed in the guide grooves on both sides of the casing. Through two guide limiters, it is ensured that the top clamping tooth part still has sufficient stability in an ultrasonic vibration environment, so as to further ensure the practical effect of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a process flow chart of the present invention.

[0023] Figure 2 It is a schematic structural diagram of the mold body of the present invention.

[0024] Figure 3 It is an exploded view of the parts of the mold body of the present invention.

[0025] Figure 4 It is a structural schematic diagram of the cutting edge forming mechanism of the present invention.

[0026] Figure 5 It is a schematic structural diagram of the cutting device of the present invention.

[0027] Figure 6 It is a transverse cross-sectional view of the cutting device of the present invention.

[0028] Figure 7 It is a longitudinal cross-sectional view of the cutting device of the present invention.

[0029] Figure 8 It is a schematic structural diagram of the casting of the present invention. DETAILED DESCRIPTION

[0030] In order to facilitate understanding by those skilled in the art, the structure of the present invention is further described in detail with reference to the embodiments in conjunction with the accompanying drawings: refer to Figure 1-8 A method for processing container corner fittings comprises the following specific steps: S1, a feeding mechanism 7 is added to the mold body 1, the mold body 1 comprises an upper sand shell 101 and a lower sand shell 102 which are closed and connected, a casting material guide cavity 2 is arranged in the middle of the upper sand shell 101 and the lower sand shell 102, a plurality of corresponding molding cavities 3 are arranged around the upper sand shell 101 and the lower sand shell 102, the molding cavities 3 are connected to the casting material guide cavity 2 through corresponding material guide channels 4, and a pouring riser 5 connected to the casting material guide cavity 2 is arranged on the upper sand shell 101; the feeding mechanism 7 comprises a casting feeding cavity 701 arranged on the upper side of the middle part of the upper sand shell 101, the casting feeding cavity 701 is connected to the casting material guide cavity 2, and a corresponding sand rod 702 is fixed downward at the top center of the casting feeding cavity 701; S2, adding a cutting edge forming mechanism 6 to the mold body 1, wherein the cutting edge forming mechanism 6 comprises a forming convex edge provided at the connection between the material guide channel 4 and the forming cavity 3, and the end of the forming convex edge is pointed; S3, molten steel pouring, the molten steel is introduced along the pouring riser 5 through the corresponding pouring equipment, and the molten steel enters the molding cavity 3 and the pouring feeding cavity 701 through the pouring guide cavity 2 and the guide channel 4; S4, after the pouring is completed, the mold body 1 is naturally cooled and sanded to obtain a casting with a cutting edge at the joint; S5, cutting the joints of the castings by using corresponding cutting equipment to cut off and separate the product workpieces.

[0031] The present invention improves the design of the mold body 1, and in particular, by adding a cutting edge forming mechanism 6, the joint of the casting 20 after pouring and forming has a cutting edge 21. Subsequently, the container corner piece workpiece can be directly cut by a cutting device to directly break the cutting edge 21, thereby quickly completing the separation and cutting of the container corner piece workpiece under the condition of low cost consumption.

[0032] Since the addition of the blade forming mechanism 6 often affects the fluidity of the molten steel and has an adverse effect on the subsequent shrinkage compensation of the product, thus causing shrinkage cavities to form on the surface of the workpiece, which is very troublesome. For this reason, the present invention further adds a shrinkage compensation mechanism 7. During the pouring of the molten steel, part of it enters the molding cavity 3 through the material guide channel 4, and part of it enters the pouring and shrinkage compensation cavity 701. As the amount of material entering the pouring and shrinkage compensation cavity 701 increases, the pressure of the molten steel increases, thereby effectively assisting in improving the flow rate of the molten steel; in addition, through the intervention of the sand rod 702 set at the top center of the pouring and shrinkage compensation cavity 701, the air permeability at the center of the pouring and shrinkage compensation cavity 701 can be effectively maintained, so that the molten steel located in the pouring and shrinkage compensation cavity 701 can be timely compensated to the molding cavity 3 to prevent shrinkage cavities from forming on the surface of the workpiece, thereby effectively solving the adverse effects caused by the setting of the molding convex edge to ensure the quality of the product.

[0033] The cutting equipment used in step S5 includes: A casing 8, a group of tightening gears 9 with front ends extending to the outside of the casing 8 are laterally movably mounted on the front side of the casing 8, and a driving cylinder 10 with a piston rod extending to the inside of the casing 8 is fixedly mounted on the rear side of the casing 8; The tooth limiting mechanism 11 comprises a guide component 1101 for guiding and limiting the top-tightening tooth 9, and an elastic component 1102 for pushing the top-tightening tooth 9 inward to close a group of top-tightening tooth 9 to each other; The multifunctional cutting mechanism 12 comprises a cutting rod 1201 which is longitudinally movably installed in the housing 8, the front end of the cutting rod 1201 is pointed, the inner end of the cutting rod 1201 is connected to the piston rod end of the driving cylinder 10 through an elastic connector 1202, the inner end of the cutting rod 1201 is fixedly installed with a corresponding ultrasonic transducer 1203, and the ultrasonic transducer 1203 is connected to an external ultrasonic generator; the piston rod end of the driving cylinder 10 extends, the cutting rod 1201 extends and presses between the inner ends of a group of the pressing teeth 9, and the elastic connector 1202 is pressed When the compression amount of the elastic connector 1202 reaches L1, the cutting rod 1201 pushes open the clamping teeth 9, so that a group of clamping teeth 9 are clamped against the side wall of the workpiece; the cutting rod 1201 continues to move forward under the drive of the driving cylinder 10 until it is clamped against the connection point of the casting 20; the piston rod of the driving cylinder 10 continues to extend, and the elastic connector 1202 is further compressed. When the compression amount of the elastic connector 1202 reaches L2, the ultrasonic transducer 1203 is triggered, and under ultrasonic vibration, the pointed end of the cutting rod 1201 ultrasonically cuts the connection point of the casting 20.

[0034] The present invention further improves the design of the cutting device. Through the intervention of the tooth limit mechanism 11, the top gear 9 can be always in a closed state to ensure that the top gear 9 can enter the connection of the casting 20; during the cutting process, the cutting rod 1201 is first pressed between the inner ends of a group of top gears 9 under the drive of the driving cylinder 10. When the compression amount of the elastic connecting member 1202 of the multifunctional cutting mechanism 12 reaches L1, the top thrust of the cutting rod 1201 is sufficient to drive the top gear 9 to move outward laterally, thereby forming a gap so that the cutting rod 1201 can move outward. When the cutting rod 1201 moves forward to press against the joint of the casting 20, as the piston rod of the driving oil cylinder 10 continues to extend, the elastic joint 1202 can be further compressed. When the compression amount of the elastic joint 1202 reaches L2, that is, when the cutting rod 1201 has sufficient pressure on the joint of the casting 20, the ultrasonic transducer 1203 is triggered to make the pointed end of the cutting rod 1201 smoothly cut the joint of the casting 20 under the action of high-frequency vibration and sufficient pressure. In this way, the separation and cutting of the container corner workpiece can be quickly completed under the condition of low cost consumption.

[0035] The molding convex edges are respectively arranged on the lower sand shell 102, and the lower sand shell 102 is respectively provided with corresponding receiving grooves 13 at positions corresponding to the molding convex edges. A plurality of corresponding return springs 14 are respectively arranged in the return grooves 13 at intervals and evenly distributed. The upper and lower sides of the return spring 14 are respectively provided with corresponding compression plates 15, and the centers of the compression plates 15 are connected by corresponding metal wires 16. The return spring 14 is fixed between the compression plates 15 in an extruded state, and the molding convex edges are embedded in the receiving grooves 13, and the bottom surface of the molding convex edges abuts against the compression plate 15 located at the upper part.

[0036] Molten steel enters between the upper sand shell 101 and the lower sand shell 102 through the pouring riser 5 to cast the workpiece. After the casting is completed, the metal wire 16 is heated and its elongation is improved. Under the elastic force of the return spring 14, the metal wire 16 is stretched, and the return spring 14 is expanded to drive the molding convex edge to rise. The metal wire 16 is made of copper.

[0037] The lower sand shell 102 of the present invention is provided with corresponding receiving grooves 13 at positions corresponding to the forming convex edges, and the forming convex edges are installed in the receiving grooves 13, so as to reduce the influence on the fluidity of molten steel; a plurality of reset springs 14 are arranged in the receiving grooves 13, and the reset springs 14 are squeezed and fixed under the cooperation of the compression plate 15 and the metal wire 16. After the pouring is completed, the extensibility of the metal wire 16 in a high-temperature environment will be greatly improved. At this time, under the elastic force of the reset spring 14, the metal wire 16 is easily stretched, so the reset spring 14 can be unfolded to drive the forming convex edge to rise. In this way, the setting of the forming convex edge can be completed under the premise of ensuring the fluidity of molten steel, that is, the forming of the cutting edge can be completed, so as to improve the practical effect of the present invention.

[0038] A group of corresponding tightening balls 17 with ends located outside the tightening teeth 9 are rollingly mounted on the inner end surfaces of the tightening teeth 9. The tightening balls 17 located on different tightening teeth 9 are arranged alternately. The tightening teeth 9 are respectively provided with embedding grooves corresponding to the tightening balls 17. After the cutting rod 1201 pushes open the tightening teeth 9, it forms a rolling contact with the tightening balls 17.

[0039] The setting of the embedding groove can prevent the setting of the tightening ball 17 from affecting the closing of a group of tightening teeth 9; and under the action of the tightening ball 17, the cutting rod 1201 can form rolling friction with the tightening teeth 9 when it pushes open a group of tightening teeth 9 and moves outward, thereby reducing component wear and reducing the influence of friction on elastic force, so as to ensure the practical effect of the present invention.

[0040] The elastic connecting member 1202 adopts a compression spring, and the inner end of the cutting rod 1201 and the piston rod of the driving cylinder 10 are respectively fixed with corresponding fixed ring plates 18, and the two ends of the elastic connecting member 1202 are respectively fixed to the corresponding fixed ring plates 18, and the ultrasonic transducer 1203 is fixedly sleeved inside the elastic connecting member 1202.

[0041] The guide assembly 1101 includes a guide shaft 11011 that passes through the jacking toothed member 9 in a transverse direction. The guide shaft 11011 is fixed to the housing 8 by a threaded connection. The elastic assembly 1102 uses a coil spring. The elastic assembly 1102 is sleeved on the guide shaft 11011 in a compressed state, and the two ends of the elastic assembly 1102 are respectively abutted against the side walls of the housing 8 and the jacking toothed member 9. The guide assembly 1101 also includes a clamping plate 11012 fixed to the inner end of the jacking toothed member 9. Guide grooves that match the clamping plate 11012 are provided on both sides of the housing 8, and the clamping plate 11012 can be movably installed in the guide grooves.

[0042] The guide assembly 1101 of the present invention includes a guide shaft 11011 that transversely penetrates the clamping tooth 9, and a clamping plate 11012 fixed to the inner end of the clamping tooth 9. The clamping plate 11012 can be movably installed in the guide grooves on both sides of the casing 8. Through two guide limiters, it can be ensured that the clamping tooth 9 still has sufficient stability in an ultrasonic vibration environment, so as to further ensure the practical effect of the present invention.

[0043] The outer ends of the tightening teeth 9 are arranged in a slope shape, and the outer ends of the tightening teeth 9 are arranged with corresponding anti-slip grooves 19 .

[0044] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A method for processing container corner fittings, characterized in that: The specific steps include: S1, a feeding mechanism (7) is added to a mold body (1), the mold body (1) comprising an upper sand shell (101) and a lower sand shell (102) which are closed and connected, a casting material guide cavity (2) is arranged in the middle of the upper sand shell (101) and the lower sand shell (102), a plurality of corresponding molding cavities (3) are arranged around the upper sand shell (101) and the lower sand shell (102), the molding cavities (3) are connected to the casting material guide cavity (2) through corresponding material guide channels (4), and a pouring riser (5) connected to the casting material guide cavity (2) is arranged on the upper sand shell (101); the feeding mechanism (7) comprises a casting feeding cavity (701) arranged on the upper side of the middle of the upper sand shell (101), the casting feeding cavity (701) is connected to the casting material guide cavity (2), and a corresponding sand rod (702) is fixed downward at the top center of the casting feeding cavity (701); S2, adding a cutting edge forming mechanism (6) to the mold body (1), wherein the cutting edge forming mechanism (6) comprises a forming convex edge arranged at the connection between the material guide channel (4) and the forming cavity (3), and the end of the forming convex edge is arranged in a pointed shape; S3, pouring molten steel, introducing the molten molten steel along the pouring riser (5) through corresponding pouring equipment, and the molten steel enters the molding cavity (3) and the pouring feeding cavity (701) through the pouring guide cavity (2) and the guide channel (4); S4, after the pouring is completed, the mold body (1) is naturally cooled and sand removed to obtain a casting with a cutting edge at the joint; S5, cutting the joints of the castings by using corresponding cutting equipment to cut off and separate the product workpieces.

2. A method for processing container corner fittings according to claim 1, characterized in that: The cutting equipment used in step S5 includes: A casing (8), wherein a group of tightening teeth (9) with front ends extending to the outside of the casing (8) are laterally movably mounted on the front side of the casing (8), and a piston rod (10) extending into the driving cylinder (10) in the casing (8) is fixedly mounted on the rear side of the casing (8); A toothed member limiting mechanism (11) comprising a guide component (1101) for guiding and limiting the top-tightening toothed member (9), and an elastic component (1102) for pushing the top-tightening toothed member (9) inwards so that a group of top-tightening toothed members (9) are closed to each other; The multifunctional cutting mechanism (12) comprises a cutting rod (1201) longitudinally movably mounted in the housing (8), the front end of the cutting rod (1201) being arranged in a pointed shape, the inner end of the cutting rod (1201) being connected to the piston rod end of the driving oil cylinder (10) via an elastic connecting piece (1202), the inner end of the cutting rod (1201) being fixedly mounted with a corresponding ultrasonic transducer (1203), the ultrasonic transducer (1203) being connected to an external ultrasonic generator; the piston rod end of the driving oil cylinder (10) is extended, the cutting rod (1201) is extended and pressed against the inner ends of a group of pressing teeth (9), the elastic connecting piece (1202) being arranged to press against the inner ends of the pressing teeth (9), and the pressing teeth (9) being pressed against the inner ends of the pressing teeth (9). 02) is compressed; when the compression amount of the elastic connecting member (1202) reaches L1, the cutting rod (1201) pushes open the clamping teeth (9), so that a group of clamping teeth (9) are clamped against the side wall of the workpiece; the cutting rod (1201) continues to move forward under the drive of the driving cylinder (10) until it is clamped against the connection of the casting; the piston rod of the driving cylinder (10) continues to extend, and the elastic connecting member (1202) is further compressed. When the compression amount of the elastic connecting member (1202) reaches L2, the ultrasonic transducer (1203) is triggered, and under ultrasonic vibration, the pointed end of the cutting rod (1201) ultrasonically cuts the connection of the casting.

3. The method for processing container corner fittings according to claim 1, characterized in that: The molded convex edges are respectively arranged on the lower sand shell (102); the lower sand shell (102) is respectively provided with corresponding receiving grooves (13) at positions corresponding to the molded convex edges; a plurality of corresponding return springs (14) are respectively arranged in the return grooves (13) at intervals and evenly distributed; corresponding compression plates (15) are respectively arranged on the upper and lower sides of the return springs (14); the centers of the compression plates (15) are connected by corresponding metal wires (16); the return springs (14) are fixed between the compression plates (15) in an extruded state; the molded convex edges are embedded in the receiving grooves (13); and the bottom surface of the molded convex edges abuts against the compression plate (15) located at the upper part.

4. A method for processing container corner fittings according to claim 3, characterized in that: The molten steel enters between the upper sand shell (101) and the lower sand shell (102) through the pouring riser (5) to cast the workpiece. After the casting is completed, the metal wire (16) is heated and its elongation is increased. Under the elastic force of the return spring (14), the metal wire (16) is stretched, and the return spring (14) is expanded to drive the forming convex edge to rise.

5. A method for processing container corner fittings according to claim 4, characterized in that: The metal wire (16) is made of copper.

6. A method for processing container corner fittings according to claim 2, characterized in that: A plurality of corresponding tightening balls (17) with ends located outside the tightening teeth (9) are respectively and rollingly mounted on the inner end surfaces of a group of the tightening teeth (9); the tightening balls (17) located on different tightening teeth (9) are arranged alternately; the tightening teeth (9) are respectively provided with mounting grooves corresponding to the tightening balls (17); and the cutting rod (1201) forms rolling contact with the tightening balls (17) after pushing open the tightening teeth (9).

7. A method for processing container corner fittings according to claim 6, characterized in that: The elastic connecting member (1202) adopts a compression spring, and the inner end of the cutting rod (1201) and the piston rod of the driving cylinder (10) are respectively fixedly connected with corresponding fixed ring plates (18), and the two ends of the elastic connecting member (1202) are respectively fixedly connected to the corresponding fixed ring plates (18), and the ultrasonic transducer (1203) is fixedly sleeved inside the elastic connecting member (1202).

8. A method for processing container corner fittings according to claim 7, characterized in that: The guide component (1101) comprises a guide shaft (11011) which passes through the clamping toothed member (9) transversely; the guide shaft (11011) is fixed to the housing (8) by means of a threaded connection; the elastic component (1102) is a coil spring; the elastic component (1102) is sleeved on the guide shaft (11011) in a compressed state, and the two ends of the elastic component (1102) respectively abut against the side walls of the housing (8) and the clamping toothed member (9).

9. A method for processing container corner fittings according to claim 8, characterized in that: The guide assembly (1101) further comprises a clamping plate (11012) fixedly connected to the inner end of the clamping toothed member (9), and guide grooves matching the clamping plate (11012) are provided on both sides of the housing (8), and the clamping plate (11012) can be movably installed in the guide grooves.

10. A method for processing container corner fittings according to claim 8, characterized in that: The outer ends of the tightening teeth (9) are respectively arranged in an inclined shape, and the outer ends of the tightening teeth (9) are respectively provided with corresponding anti-slip grooves (19).

Images