Stamping device for ring-pull easy-to-open ring-pull can production

Abstract

The invention discloses a stamping device for producing ring-pull easy-to-open zip-top cans, and relates to the technical field of zip-top can stamping. The stamping device for producing the ring-pull easy-to-open ring-pull can comprises a stamping machine, a detachable female die is detachably installed at the top of the stamping machine, a blank to be stamped is placed at the top of the detachable female die, a hydraulic stamping cylinder is fixedly installed at the top of the stamping machine, and a graded collecting mechanism is arranged on the side face of the stamping machine. According to the stamping device for ring-pull easy-open can production, accurate screening of bottle caps is achieved through the structural design of the screening pipes, meanwhile, the size of the screening pipes in the small-size finished product bin is smaller than that of the screening pipes in the large-size finished product bin, the bottle caps can be further classified and collected according to specifications, the subsequent manual sorting link is omitted, and the production efficiency is improved. The labor cost is reduced, the risk of misuse of specifications is reduced, the subsequent assembly precision is guaranteed, and the production continuity is maintained.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of easy-open can stamping, in particular to a ring-pull easy-open can production stamping device. BACKGROUND

[0002] Easy-open can cover stamping is a typical application of basic stamping on specific products. The separation process of basic stamping, such as blanking for the outline of the can cover, separates the metal sheet along the closed contour through a die to obtain a circular cover piece and trim the edge, corresponding to the “blanking” process in basic stamping. The forming process, such as partial stamping and flanging, realizes rivet processing by locally pressing the cover piece through a die to make it plastically deform to form a protruding rivet base, similar to the “bulging” principle of basic stamping.

[0003] The blanking cannot be classified according to the size of the bottle cap, which will cause different specifications of the bottle cap to be mixed together, and subsequent manual sorting will not only increase labor costs, but also easily cause specification misuse due to sorting omissions, affecting subsequent assembly accuracy and reducing production continuity. The bottle cap cannot be placed in the designated position, which will cause the blanked bottle cap to be randomly stacked, increasing the difficulty of subsequent grabbing and carrying, requiring additional time to arrange and position, slowing down the overall production rhythm and reducing the operating efficiency of the automatic production line. SUMMARY

[0004] The purpose of the present application is to provide a ring-pull easy-open can production stamping device that can classify and collect through pneumatic conveying and avoid accumulation everywhere, thereby solving the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a ring-pull easy-open can production stamping device, comprising a stamping machine, a detachable die is detachably installed on the top of the stamping machine, a blank to be stamped is placed on the top of the detachable die, a hydraulic stamping cylinder is fixedly installed on the top of the stamping machine, a hierarchical collection mechanism is arranged on the side of the stamping machine, the inside of the hierarchical collection mechanism comprises a stamping execution rod, an expansion frame, a material conveying pipe, a large-size finished product bin and a small-size finished product bin, the telescopic end of the hydraulic stamping cylinder is fixedly connected with the stamping execution rod, the bottom of the stamping execution rod extends to the inside of the stamping machine, the expansion frame is fixedly installed on the side of the stamping machine, the material conveying pipe is clamped on the top of the expansion frame, the large-size finished product bin is fixedly installed on the top of the material conveying pipe, the small-size finished product bin is screwedly installed on the top of the large-size finished product bin, a material flow guide channel is vertically and parallelly arranged on the bottom of the detachable die, and the top of the material flow guide channel is fixedly connected with the top of the inner cavity of the stamping machine.

[0006] Preferably, the inside of the punch is fixedly provided with a gas pressure driving assembly, the top of the gas pressure driving assembly is vertically and parallel provided with a punch execution rod, the bottom of the gas pressure driving assembly is fixedly connected with a gas storage system on one side, and the bottom of the gas pressure driving assembly is vertically provided with a material temporary storage and transfer mechanism; the inside of the gas pressure driving assembly is provided with a gas distribution box, the top of the gas distribution box is fixedly connected with the inside of the punch; the inside of the gas storage system comprises a one-way gas conveying pipe, a pressurized gas storage tank and an interface adaptation cavity, the bottom of the gas distribution box is fixedly provided with the one-way gas conveying pipe, the one-way gas conveying pipe extends to the inside of the interface adaptation cavity away from the gas distribution box, and the outer wall of the one-way gas conveying pipe is fixedly connected with the pressurized gas storage tank; the inside of the material temporary storage and transfer mechanism is provided with a fixed cross plate, a lifting transmission rod, a spring A and a rotating transfer arm, wherein the side of the fixed cross plate is fixedly connected with the side wall of the inside of the punch, the inside of the punch movably sleeved with the lifting transmission rod, and the top of the lifting transmission rod is vertically attached to the middle section of the bottom of the gas distribution box, the outer wall of the lifting transmission rod movably sleeved with the spring A, the bottom fixedly provided with the rotating transfer arm, the top of the end of the rotating transfer arm away from the fixed cross plate fixedly provided with a material temporary storage box, the bottom of the fixed cross plate fixedly provided with a movement limiting cylinder, the inside of the lifting transmission rod movably sleeved with the movement limiting cylinder, and the inside of the movement limiting cylinder is provided with a track guide groove, the inside of the track guide groove movably sleeved with a linkage sliding block, and the side of the linkage sliding block fixedly connected with the outer wall of the lifting transmission rod.

[0007] Preferably, the inside of the material temporary storage box comprises a gas access nozzle, a support guide rod, a spring B, a movable clamping arm, a material clamping plate and a guide wedge head, the inside of one side of the material temporary storage box is inlaidly provided with the gas access nozzle, the inside of both sides of the material temporary storage box is fixedly provided with the support guide rod, the outer wall of the support guide rod movably sleeved with the spring B, the end of the support guide rod away from the gas access nozzle movably sleeved with the movable clamping arm, the outer wall of the movable clamping arm fixedly provided with the material clamping plate, and the top of the material clamping plate is in the shape of a guide wedge head.

[0008] Preferably, the internal of the air pressure driving assembly comprises a gas box, a one-way air supplement valve, a one-way air branch pipe, a storage box, a pressure accumulator, a spring C, a pressure conduction plug, a movable rod, a pressure acting head, a gas piston column, a force conduction push rod, a pressure receiving plate and a spring D, wherein the internal of the gas box is provided with the gas box, one side of the bottom of the gas box is fixedly installed with the one-way air supplement valve, one end of the one-way air supplement valve away from the gas box extends to the outer wall of the gas box, the bottom of the gas box is fixedly installed with the one-way air branch pipe, the bottom of the one-way air branch pipe is fixedly installed with the storage box, the bottom of the storage box is fixedly installed with the pressure accumulator, the internal of the pressure accumulator is placed with the spring C, the outer wall of the spring C movably sleeves the movable rod, the top of the movable rod is fixedly installed with the pressure conduction plug, the bottom of the movable rod is further fixedly connected with the pressure acting head, in addition, the internal of the gas box movably sleeves the gas piston column, the top of the gas piston column is fixedly installed with the force conduction push rod, the top of the force conduction push rod is fixedly installed with the pressure receiving plate, and the outer wall of the pressure receiving plate movably sleeves the spring D.

[0009] Preferably, the small-size finished product bin and the large-size finished product bin are threadedly connected, the internal of the small-size finished product bin and the large-size finished product bin is fixedly connected with a screening pipe, one side of the screening pipe is fixedly installed with a side support, the internal of the side support movably sleeves a turnover connecting rod, one side of the bottom of the turnover connecting rod is fixedly installed with a discharging baffle, the internal of the screening pipe is provided with a screening installation groove, the internal of the screening installation groove movably sleeves a specification grading plate, and the top of the specification grading plate is placed with a punched finished product.

[0010] Preferably, the top of the turnover connecting rod is fixedly installed with a rotating shaft rod, the outer walls of the two ends of the rotating shaft rod movably sleeve torsional springs A, and the two ends of the torsional springs A and the rotating shaft rod are movably sleeved in the internal of the side support.

[0011] Preferably, the top of the specification grading plate is fixedly connected with rotating connecting shafts on the two sides, the middle of each rotating connecting shaft is fixedly connected with a limiting ring plate, and the outer wall of one end of each rotating connecting shaft away from the specification grading plate movably sleeves a torsional spring B.

[0012] Preferably, the internal of the pressure boosting gas storage tank is fixedly installed with a sealing horizontal plate, the internal of the sealing horizontal plate movably sleeves a sealing piston rod, one side of the sealing piston rod is fixedly installed with a limiting stopper, the outer wall of one end of the sealing piston rod away from the limiting stopper is fixedly connected with a sealing matching pad, a sealing reset spring is arranged between the sealing matching pad and the sealing horizontal plate, the outer wall of the sealing reset spring and one end of the sealing piston rod away from the limiting stopper movably sleeve, one side of the outer wall of the pressure boosting gas storage tank is fixedly installed with a connector sealing seat, the internal of the connector sealing seat movably sleeves a thrust conduction block, and the outer wall of the thrust conduction block is fixedly connected with the sealing matching pad through a transversely installed rod.

[0013] Preferably, the sealing gasket and the thrust block are provided with an air inlet.

[0014] Preferably, the inside of the movement limiting cylinder is provided with a circular cavity, and the inside of the circular cavity and the outer wall of the lifting transmission rod are movably sleeved.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1. The ring-pull easy-open lid easy-to-open can production punch device realizes accurate screening of the bottle cap through the structural design of the screening pipe: the outlet size of the top of the screening pipe is smaller than the diameter of the punched finished product, and the linkage of the rotating connecting shaft torsional spring B can ensure that the punched finished product meeting the specifications smoothly enters the small-size finished product bin or the large-size finished product bin, and can block the unqualified product through the size difference, avoiding the mixing of bottle caps of different specifications, and at the same time, the size of the screening pipe in the small-size finished product bin is smaller than that in the large-size finished product bin, which can further collect the bottle caps according to the specifications, saving the subsequent manual sorting link, reducing labor costs, reducing the risk of specification misuse, ensuring the subsequent assembly accuracy, and maintaining the continuity of production.

[0017] 2. The ring-pull easy-open lid easy-to-open can production punch device, through the compressed gas stored in the booster gas tank, pushes the thrust block and extrudes the sealing reset spring to open the air inlet when the material temporary storage box and the material conveying pipe are attached, so that the gas enters the gas inlet nozzle and lifts the punched finished product in the material temporary storage box, and then the punched finished product is conveyed to the inside of the screening pipe; subsequently, the unloading baffle is flipped by using the change of gas pressure, so as to ensure that the punched finished product smoothly falls into the small-size finished product bin or the large-size finished product bin, the whole process does not need manual intervention, and the sealing of the sealing gasket and the interface sealing seat is realized through the reset of the sealing reset spring, so as to ensure that the gas can be repeatedly compressed and utilized, the bottle cap can be accurately conveyed to the specified position, the random accumulation is avoided, the subsequent grabbing and carrying difficulty is reduced, the arrangement time is reduced, the production rhythm is accelerated, and the operation efficiency of the automatic production line is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present application;

[0019] Figure 2 It is a schematic diagram of the overall structure of the punch machine in the present application;

[0020] Figure 3 It is a schematic diagram of the overall structure of the punch machine in the present application;

[0021] Figure 4 It is a schematic diagram of the overall structure of the punch machine in the present application; Figure 3

[0022] Figure 5 ​It is a schematic diagram of the overall structure of the material temporary storage box in the application from the top view;

[0023] Figure 6 It is a schematic diagram of the overall structure of the pressurized gas storage tank in the application from the cross-sectional view;

[0024] Figure 7 It is a schematic diagram of the overall structure of the gas distribution box in the application from the cross-sectional view;

[0025] Figure 8 It is a schematic diagram of the cross-sectional structure of the large-size finished product bin and the small-size finished product bin in the application;

[0026] Figure 9 It is a schematic diagram of the overall structure of the top of the turnover connecting rod in the application;

[0027] Figure 10 It is a schematic diagram of the overall structure of the top of the turnover connecting shaft in the application.

[0028] In the figure: 1, punch; 2, detachable concave die; 3, blank to be punched; 4, hydraulic punching cylinder; 6, hierarchical collection mechanism; 61, punching execution rod; 62, expansion frame; 63, material conveying pipe; 64, large-size finished product bin; 65, small-size finished product bin; 66, material flow guide channel; 8, gas pressure driving assembly; 7, gas storage system; 9, material temporary storage and transfer mechanism; 81, gas distribution box; 71, one-way gas conveying pipe; 72, pressurized gas storage tank; 73, interface adaptation cavity; 91, fixed cross plate; 92, lifting transmission rod; 94, spring A; 95, rotating transfer arm; 96, material temporary storage box; 97, motion limiting cylinder; 98, trajectory guide groove; 99, linkage sliding block; 961, gas access nozzle; 962, support guide rod; 963, spring B; 967, movable clamping arm; 968, material clamping plate; 969, guide wedge-shaped head; 82, gas box; 83, one-way gas supplement valve; 84, one-way gas branch pipe; 85, storage box; 87, pressure force storage cylinder; 88, spring C; 89, pressure conduction plug; 810, movable rod; 811, pressure action head; 812, gas piston column; 813, force transmission push rod; 814, pressure receiving plate; 815, spring D; 10, screening pipe; 13, side support; 12, turnover connecting rod; 11, unloading baffle; 14, screening installation groove; 15, specification grading plate; 16, punched finished product; 121, rotating shaft; 122, torsional spring A; 151, rotating connecting shaft; 152, limiting ring plate; 153, torsional spring B; 74, sealing cross plate; 75, sealing piston rod; 76, limiting stop block; 78, sealing fitting pad; 77, sealing return spring; 79, transverse installation rod; 711, interface sealing seat; 710, thrust conduction block. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0030] Referring to Figures 1-10 The present application provides a stamping device for producing ring-pull easy-open lid easy-open can, technical scheme: a stamping device for producing ring-pull easy-open lid easy-open can, comprising a punch 1, the top of the punch 1 is detachably provided with a detachable die 2, the top of the detachable die 2 is placed with a blank 3 to be stamped, the top of the punch 1 is fixedly provided with a hydraulic stamping cylinder 4, the side of the punch 1 is provided with a hierarchical collection mechanism 6, the inside of the hierarchical collection mechanism 6 comprises a stamping execution rod 61, an expansion frame 62, a material conveying pipe 63, a large-size finished product bin 64 and a small-size finished product bin 65, the telescopic end of the hydraulic stamping cylinder 4 is fixedly connected with the stamping execution rod 61, the bottom of the stamping execution rod 61 extends to the inside of the punch 1, the side of the punch 1 is fixedly provided with the expansion frame 62, the top of the expansion frame 62 is clamped with the material conveying pipe 63, the top of the material conveying pipe 63 is fixedly provided with the large-size finished product bin 64, the top of the large-size finished product bin 64 is screwedly provided with the small-size finished product bin 65, the bottom of the detachable die 2 is vertically and parallelly provided with a material flow guide channel 66, and the top of the material flow guide channel 66 is fixedly connected with the top of the inner cavity of the punch 1,

[0031] In the process of work, when stamping is needed, the whole of the blank 3 to be stamped can be placed on the top of the detachable die 2, then the hydraulic stamping cylinder 4 is started to drive the punch to move downward to stamp the blank 3 to be stamped, and in the process of stamping, the material can be directly received in the inside of the punch 1, and the hierarchical collection mechanism 6 provided on the side of the punch 1 can collect and screen the materials stamped and formed.

[0032] Referring to Figures 2-4The inside of the punch 1 is fixedly provided with a gas pressure driving assembly 8, the top of the gas pressure driving assembly 8 is vertically and parallelly arranged with the punch executing rod 61, the bottom of the gas pressure driving assembly 8 is fixedly connected with a gas storage system 7, and the bottom of the gas pressure driving assembly 8 is vertically provided with a material temporary storage and transfer mechanism 9; the inside of the gas pressure driving assembly 8 is provided with a gas distribution box 81, the top of the gas distribution box 81 is fixedly connected with the top of the inner cavity of the punch 1; the inside of the gas storage system 7 comprises a one-way gas conveying pipe 71, a pressurized gas storage tank 72 and an interface adaptation cavity 73, the bottom of the gas distribution box 81 is fixedly provided with the one-way gas conveying pipe 71, the one-way gas conveying pipe 71 extends to the inside of the interface adaptation cavity 73 from the end away from the gas distribution box 81, and the outer wall of the one-way gas conveying pipe 71 is fixedly connected with the pressurized gas storage tank 72; the inside of the material temporary storage and transfer mechanism 9 is provided with a fixed cross plate 91, a lifting transmission rod 92, a spring A 94 and a rotary transfer arm 95, wherein the side of the fixed cross plate 91 is fixedly connected with the inner cavity side wall of the punch 1, the inside of the punch 1 movably sleeved with the lifting transmission rod 92, the top of the lifting transmission rod 92 is vertically and closely combined with the middle section of the bottom of the gas distribution box 81, the outer wall of the lifting transmission rod 92 movably sleeved with the spring A 94, the bottom fixedly provided with the rotary transfer arm 95, the end of the rotary transfer arm 95 away from the fixed cross plate 91 is fixedly provided with a material temporary storage box 96 at the top, the bottom of the fixed cross plate 91 is fixedly provided with a movement limiting cylinder 97, the inside of the lifting transmission rod 92 movably sleeved with the movement limiting cylinder 97, the inside of the movement limiting cylinder 97 is provided with a track guide groove 98, the inside of the track guide groove 98 movably sleeved with a linkage sliding block 99, one side of the linkage sliding block 99 is fixedly connected with the outer wall of the lifting transmission rod 92,

[0033] In the above working process, when stamping, the material to be stamped inside the blank 3 will be transported to the inside of the material temporary storage box 96 for storage through the material guide channel 66, and when the telescopic end of the hydraulic stamping cylinder 4 moves downward, the bottom of the stamping execution rod 61 fixedly connected to the side will move vertically downward into the inside of the gas distribution box 81, which will cause the gas stored in the gas distribution box 81 to be transported into the one-way gas delivery pipe 71 and then to the inside of the pressurized gas storage tank 72 for storage and compression. At the same time, the gas can push the lifting transmission rod 92 to move downward, and when the lifting transmission rod 92 moves downward, the spring A94 movably sleeved on the outer wall of the lifting transmission rod 92 will be extruded, and the linkage sliding block 99 fixedly connected to the outer wall of the lifting transmission rod 92 will move from the top of the track guide groove 98 to the bottom of the track guide groove 98. In addition, during the downward movement of the lifting transmission rod 92, the rotary transfer arm 95 fixedly connected to the bottom will move downward and be positioned opposite to the interface matching cavity 73, and then it will be rotated by ninety degrees. During the rotation, the material temporary storage box 96 fixedly connected to the top of the rotary transfer arm 95 will extend into the inside of the interface matching cavity 73 and be vertically aligned with the bottom of the material delivery pipe 63, and the outer wall of the pressurized gas storage tank 72 will be clamped with the material temporary storage box 96. During the clamping process, the compressed gas inside will be directly transported into the material temporary storage box 96 to blow the stored material into the inside of the small-size finished product bin 65 and the large-size finished product bin 64, so that the stamped material can be quickly transported into the inside of the small-size finished product bin 65 and the large-size finished product bin 64 for collection, avoiding the need for manual collection during work, thereby saving time and improving work efficiency.

[0034] Please refer to Figure 5 The inside of the material temporary storage box 96 includes a gas access nozzle 961, a support guide rod 962, a spring B 963, a movable clamping arm 967, a material clamping plate 968, and a guide wedge head 969. The gas access nozzle 961 is embedded and installed inside one side of the material temporary storage box 96. The support guide rod 962 is fixedly installed inside both sides of the material temporary storage box 96. The spring B 963 is movably sleeved on the outer wall of the support guide rod 962. The movable clamping arm 967 is movably sleeved on the end of the support guide rod 962 away from the gas access nozzle 961. The material clamping plate 968 is fixedly installed on the outer wall of the movable clamping arm 967. The top of the material clamping plate 968 is in the shape of a guide wedge head 969,

[0035] When the material inside the above-mentioned to be punched blank 3 is punched, the material transported into the material temporary storage box 96 from the material flow guide channel 66 will be quickly cut into the inside of the material clamping plate 968 by the guide wedge head 969. In the process of entering the material clamping plate 968, the back fixedly connected movable clamping arm 967 will extrude the spring B 963 along the outer wall of the support guide rod 962, so that the spring B 963 forms a rebounding force, pushing the movable clamping arm 967 and the material clamping plate 968 to the middle of the material temporary storage box 96. During the pushing process, a clamping force will be formed, which can adapt to different sizes of punched materials and also form a fixed force. Moreover, when the material falls into the inside of the material temporary storage box 96 from the material flow guide channel 66, its own weight will discharge the stored gas from the inside of the gas inlet nozzle 961, so that the punched material can quickly enter the inside of the material temporary storage box 96 for storage. At the same time, the clamping force formed by the above-mentioned guide wedge head 969 will make the material inside the rotating transfer arm 95 not shake left and right during the movement process, so as to keep vertical parallel with the bottom of the large-size finished product bin 64, facilitating subsequent conveying and screening of the material.

[0036] Please refer to Figure 7 , the inside of the gas pressure driving assembly 8 includes a gas box 82, a one-way gas supplement valve 83, a one-way gas branch pipe 84, a storage box 85, a pressure force cylinder 87, a spring C 88, a pressure conduction plug 89, a movable rod 810, a pressure action head 811, a gas piston column 812, a force conduction push rod 813, a pressure receiving plate 814 and a spring D 815. The inside of the gas box 81 is provided with a gas box 812. The bottom side of the gas box 812 is fixedly installed with a one-way gas supplement valve 83. The one-way gas supplement valve 83 extends to the outer wall of the gas box 81 away from the gas box 82. The bottom of the gas box 82 is fixedly installed with a one-way gas branch pipe 84. The bottom of the one-way gas branch pipe 84 is fixedly installed with a storage box 85. The bottom of the storage box 85 is fixedly installed with a pressure force cylinder 87. The inside of the pressure force cylinder 87 is placed with a spring C 88. The outer wall of the spring C 88 is movably sleeved with a movable rod 810. The top of the movable rod 810 is fixedly installed with a pressure conduction plug 89. The bottom is also fixedly connected with a pressure action head 811. In addition, the inside of the gas box 82 is movably sleeved with a gas piston column 812. The top of the gas piston column 812 is fixedly installed with a force conduction push rod 813. The top of the force conduction push rod 813 is fixedly installed with a pressure receiving plate 814. The outer wall is movably sleeved with a spring D 815,

[0037] When the punch execution rod 61 moves towards the inside of the gas sub-box 81, the bottom of the punch execution rod 61 will be in contact with the top of the pressure receiving plate 814, and a downward pushing force will be generated when they are in contact. During the downward movement of the pressure receiving plate 814, the force transmission push rod 813 fixedly connected to the bottom of the pressure receiving plate 814 will push the gas piston column 812 to move towards the bottom of the gas box 82. During the movement, the gas stored in the inside of the gas box 82 is delivered to the inside of the storage box 85 through the one-way gas branch pipe 84, and then delivered to the inside of the pressure force cylinder 87 from the storage box 85. As the gas is continuously stored in the inside of the pressure force cylinder 87, a downward pushing force is formed, causing the pressure transmission plug 89 to move downward in the inside of the pressure force cylinder 87. When the pressure transmission plug 89 moves downward, the movable rod 810 fixedly connected to the bottom of the pressure transmission plug 89 will also move downward, and the spring C88 movably sleeved on the outer wall of the movable rod 810 will be squeezed, forming preliminary force storage. In addition, the pressure acting head 811 fixedly installed at the bottom of the movable rod 810 will be in contact with the top of the lifting transmission rod 92 during the downward movement of the movable rod 810, so as to be squeezed. At the same time, the gas stored in the inside of the storage box 85 is also delivered to the inside of the one-way gas delivery pipe 71, so as to be delivered to the inside of the pressure-increasing gas storage tank 72 by the one-way gas delivery pipe 71.

[0038] When the punch execution rod 61 is out of contact with the pressure receiving plate 814, the spring D815 will generate a rebounding force to lift the pressure receiving plate 814. During the upward movement of the pressure receiving plate 814, the gas piston column 812 fixedly connected to the bottom of the force transmission push rod 813 will move upward, and the gas piston column 812 will perform gas extraction when moving upward. During the gas extraction, the one-way gas supplement valve 83 is opened, and the external gas is extracted into the inside of the gas box 82, preparing for the next extrusion. In addition, the gas stored at the top of the pressure force cylinder 87 is also delivered to the inside of the storage box 85 for the next extrusion, which makes the squeezing force of the spring C88 disappear, and the spring C88 will generate a rebounding force to lift the pressure transmission plug 89. During the lifting process, the movable rod 810 and the pressure acting head 811 are out of contact, so as to reset the spring A94 squeezed by the lifting transmission rod 92. When the spring A94 is reset, the lifting transmission rod 92 is lifted, and the rotating transfer arm 95 and the material temporary storage box 96 fixedly connected to the bottom of the lifting transmission rod 92 will move to the inside of the material flow guide channel 66, so as to receive materials next time.

[0039] Please refer to Figure 8The small-size finished product bin 65 and the large-size finished product bin 64 are threadedly connected, the inside of the small-size finished product bin 65 and the large-size finished product bin 64 is fixedly connected with a screening pipe 10, one side of the screening pipe 10 is fixedly installed with a side support 13, the inside of the side support 13 is movably sleeved with a turnover connecting rod 12, one side bottom of the turnover connecting rod 12 is fixedly installed with a discharging baffle 11, the inside of the screening pipe 10 is provided with a screening installation groove 14, the inside of the screening installation groove 14 is movably sleeved with a specification grading plate 15, the top of the specification grading plate 15 is placed with a stamping finished product piece 16, the top of the turnover connecting rod 12 is fixedly installed with a rotating shaft rod 121, the both ends outer walls of the rotating shaft rod 121 are movably sleeved with torsional springs A 122, the both ends of the torsional springs A 122 and the rotating shaft rod 121 are movably sleeved in the inside of the side support 13, the top of the both sides of the specification grading plate 15 is fixedly connected with rotating connecting shafts 151, the middle part of the rotating connecting shaft 151 is fixedly connected with a limiting ring plate 152, the end outer wall of the rotating connecting shaft 151 away from the specification grading plate 15 is movably sleeved with torsional springs B 153.

[0040] When the top of the material storage box 96 and the bottom of the material conveying pipe 63 are matched with each other, and the airflow conveying enters the inside of the material storage box 96, the gas will lift the punched finished part 16, and the punched finished part 16 will enter the inside of the material conveying pipe 63 in the process of being lifted, and then be conveyed into the inside of the screening pipe 10 through the material conveying pipe 63. In the process of entering the screening pipe 10, the punched finished part 16 will be matched with the size grading plate 15, and the size grading plate 15 will move upward at the time of matching, so that it changes from an inclined shape to a vertical shape and can be inlaidly installed in the inside of the screening installation groove 14. At this time, the top resistance of the punched finished part 16 disappears, so that the punched finished part 16 moves upward. In the process of changing from the inclined shape to the vertical shape, the rotation connection shaft 151 and the limiting ring plate 152 fixedly connected at both ends can rotate in the inside of the screening installation groove 14. In the process of rotating, the torsional spring B153 movably sleeved on the outer wall of the rotation connection shaft 151 will be deformed to store power. When the punched finished part 16 moves to the top of the screening pipe 10, the pushing force of the size grading plate 15 disappears. At this time, the torsional spring B153 will reset, and when the torsional spring B153 resets, the whole size grading plate 15 can change from the vertical state to the inclined state. It should be noted that the top outlet size of the screening pipe 10 can be set to be smaller than the diameter size of the punched finished part 16, which makes the punched finished part 16 be blocked, so that the gas cannot be smoothly discharged. With the continuous extrusion of the gas, the pressure will increase, and the gas will push the unloading baffle 11 to turn outward. When the unloading baffle 11 turns in the process, the rotation shaft rod 121 fixedly connected with the turning connection rod 12 can rotate in the inside of the side support 13. In the process of rotating, the torsional spring A122 movably sleeved at both ends of the rotation shaft rod 121 will be extruded to cause deformation. When the punched finished part 16 has no pushing force of the gas, the punched finished part 16 will fall and be matched in the inside of the size grading plate 15. Then, the size grading plate 15 falls into the inside of the large-size finished product bin 64 through the opening of the unloading baffle 11 and is stored. It should be noted that the size of the screening pipe 10 arranged in the inside of the small-size finished product bin 65 can be set to be smaller than the size of the screening pipe 10 in the inside of the large-size finished product bin 64, so that the punched finished part 16 smaller than the size in the inside of the large-size finished product bin 64 can enter the inside of the small-size finished product bin 65 and be collected in the inside of the small-size finished product bin 65. It should be further noted that the top of the small-size finished product bin 65 is fixedly installed with a cover plate, and the bottom of the cover plate is provided with a screw rod which is in threaded connection with the screening pipe 10 fixedly installed in the inside of the small-size finished product bin 65, so as to facilitate subsequent disassembly and installation.

[0041] Please refer to Figure 6When the locking breaker 7 is in place, the locking breaker 7 is in place, and the locking breaker 7 is in a state of being quickly locked. When the locking breaker 7 is in place, the locking breaker 7 is in a state of being quickly locked. When the locking breaker 7 is in place, the locking breaker 7 is in a state of being quickly locked.

[0042] During the exhaust process of the one-way gas delivery pipe 71, the gas will enter the pressurized gas storage tank 72 for storage; as the gas is continuously stored in the pressurized gas storage tank 72, its density will gradually increase, thereby causing the pressure to increase. When the above-mentioned material temporary storage box 96 and the bottom of the material delivery pipe 63 fit together, the gas access nozzle 961 will extend into the interior of the interface sealing seat 711; during the extension process, the outer wall of the gas access nozzle 961 will fit with the outer wall of the thrust conduction block 710, and push the thrust conduction block 710 to move toward the side of the sealing cross plate 74. During the movement of the thrust conduction block 710 In the process, the sealing gasket 78 will squeeze the sealing return spring 77 that is movably sleeved on the outer wall of the sealing piston rod 75; after being squeezed, the gas will enter the interior of the gas access nozzle 961 from the air inlet. During the pressure relief process, the gas will lift the stamped finished parts 16 placed inside the material storage box 96 and transport them to the interior of the small-size finished product warehouse 65. When the gas is completely discharged, the sealing return spring 77 will reset; during the reset process, the outer wall of the sealing gasket 78 will fit with the side of the interface sealing seat 711 to continue to achieve sealing, thereby facilitating the compression and storage of the gas next time and avoiding continuous gas leakage.

[0043] Working principle:

[0044] Punching and gas storage stage: when the blank 3 is punched, the punched material is transported to the material temporary storage box 96 through the material guide channel 66; at the same time, the extension end of the hydraulic punching cylinder 4 drives the punching execution rod 61 to move towards the inside of the gas sub-box 81, the bottom of the punching execution rod 61 is attached to the top of the pressure receiving plate 814 and pushes it to move downwards, so that the gas in the gas box 82 is transported to the pressure storage cylinder 87 and the one-way gas delivery pipe 71 through the storage box 85 of the one-way gas branch pipe 84, the one-way gas delivery pipe 71 delivers the gas to the pressurized gas storage tank 72 for storage and compression, the gas pushes the lifting transmission rod 92 to move downwards, the lifting transmission rod 92 drives the rotating transfer arm 95 and the material temporary storage box 96 to move and rotate, and then aligns with the material delivery pipe 63, the pressurized gas storage tank 72 is connected with the material temporary storage box 96, and the compressed gas is delivered to the material temporary storage box 96.

[0045] Material delivery stage: when the material temporary storage box 96 is attached to the bottom of the material delivery pipe 63, the gas access nozzle 961 extends into the interface sealing seat 711 and drives the thrust transmission block 710 to move, so that the sealing attachment pad 78 is extruded to compress the sealing reset spring 77, the gas enters the gas access nozzle 961 from the gas inlet, and when the pressure is released, the gas lifts the punched finished product 16 in the material temporary storage box 96 and delivers it to the small-size finished product bin 65 and the large-size finished product bin 64 for collection.

[0046] Reset and sealing stage: after the gas is completely discharged, the sealing reset spring 77 is reset to make the sealing attachment pad 78 attached to the interface sealing seat 711 to seal; when the punching execution rod 61 is out of contact with the pressure receiving plate 814, the spring D815 rebounds to lift the pressure receiving plate 814, the spring C88 rebounds to lift the pressure transmission plug 89, and the spring A94 is reset to lift the lifting transmission rod 92, so that the rotating transfer arm 95 and the material temporary storage box 96 return to the material guide channel 66 to prepare for the next material receiving, and the whole process ensures sealing to facilitate the next gas compression storage and avoid gas leakage.

[0047] The standard parts used in the application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0048] The above describes the present application and its embodiments, which are not limited, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the purpose of the present application, without creative design, similar structure and embodiments of the technical solution are not creative, and should belong to the protection scope of the present application.

Claims

1. A punching device for producing ring-pull easy-open cans, comprising a punching machine (1), a detachable die (2) being detachably mounted on the top of the punching machine (1), a blank (3) to be punched being placed on the top of the detachable die (2), and a hydraulic punching cylinder (4) being fixedly mounted on the top of the punching machine (1), characterized in that: A grading and collecting mechanism (6) is provided on the side of the punching machine (1); The interior of the grading collection mechanism (6) includes a stamping actuator rod (61), an expansion rack (62), a material conveying pipe (63), a large-size finished product bin (64) and a small-size finished product bin (65); the telescopic end of the hydraulic stamping cylinder (4) is fixedly connected to the stamping actuator rod (61); the bottom of the stamping actuator rod (61) extends to the interior of the stamping machine (1); the side of the stamping machine (1) is fixedly installed with the expansion rack (62); the top of the expansion rack (62) is clamped with the material conveying pipe (63); the top of the material conveying pipe (63) is fixedly installed with the large-size finished product bin (64); the top of the large-size finished product bin (64) is threadedly installed with the small-size finished product bin (65); the bottom of the detachable die (2) is vertically and parallelly provided with a material guide channel (66), and the top of the material guide channel (66) is fixedly connected to the top of the inner cavity of the stamping machine (1).

2. The punching device for producing ring-pull easy-open cans according to claim 1, characterized in that: A pneumatic drive assembly (8) is fixedly installed inside the punching machine (1), and the top of the pneumatic drive assembly (8) is arranged vertically and parallel to the punching actuator rod (61), a gas storage system (7) is fixedly connected to one side of the bottom of the pneumatic drive assembly (8), and a material temporary storage and transfer mechanism (9) is vertically arranged at the bottom of the pneumatic drive assembly (8); A gas sub-box (81) is provided inside the pneumatic drive assembly (8), and the top of the gas sub-box (81) is fixedly connected to the top of the inner cavity of the punching machine (1); The interior of the gas storage system (7) includes a one-way gas delivery pipe (71), a pressurized gas storage tank (72), and an interface adapter cavity (73); the bottom of the gas sub-box (81) is fixedly mounted with the one-way gas delivery pipe (71); one end of the one-way gas delivery pipe (71) away from the gas sub-box (81) extends to the interior of the interface adapter cavity (73); and the outer wall of the one-way gas delivery pipe (71) is fixedly connected to the pressurized gas storage tank (72); The material temporary storage and transfer mechanism (9) is provided with a fixed transverse plate (91), a lifting transmission rod (92), a spring A (94) and a rotating transfer arm (95) inside, wherein the side of the fixed transverse plate (91) is fixedly connected to the side wall of the inner cavity of the punching machine (1), the interior of the punching machine (1) is movably sleeved with the lifting transmission rod (92), and the top of the lifting transmission rod (92) is vertically fitted with the bottom middle section of the gas box (81), the outer wall of the lifting transmission rod (92) is movably sleeved with the spring A (94), and the bottom is fixedly installed with the rotating transfer arm ( 95), a material temporary storage box (96) is fixedly installed on the top of one end of the rotating transfer arm (95) away from the fixed horizontal plate (91), a motion limiting cylinder (97) is fixedly installed on the bottom of the fixed horizontal plate (91), the lifting transmission rod (92) is movably sleeved with the interior of the motion limiting cylinder (97), and a track guide groove (98) is provided inside the motion limiting cylinder (97), and a linkage slider (99) is movably sleeved inside the track guide groove (98), and one side of the linkage slider (99) is fixedly connected to the outer wall of the lifting transmission rod (92).

3. The punching device for producing ring-pull easy-open cans according to claim 2, characterized in that: The interior of the material temporary storage box (96) includes a gas access nozzle (961), a support guide rod (962), a spring B (963), a movable clamping arm (967), a material clamping plate (968) and a guide wedge head (969). The gas access nozzle (961) is embedded in one side of the material temporary storage box (96). The support guide rod (962) is fixedly installed on both sides of the interior of the material temporary storage box (96). The outer wall of the support guide rod (962) is movably connected to the spring B (963). The end of the support guide rod (962) away from the gas access nozzle (961) is movably connected to the movable clamping arm (967). The outer wall of the movable clamping arm (967) is fixedly installed with a material clamping plate (968). The top of the material clamping plate (968) is in the shape of a guide wedge head (969).

4. The punching device for producing ring-pull easy-open cans according to claim 2, characterized in that: The interior of the pneumatic drive assembly (8) includes a gas box (82), a one-way gas replenishing valve (83), a one-way gas branch pipe (84), a storage box (85), a pressure accumulator (87), a spring C (88), a pressure transmission plug (89), a movable rod (810), a pressure acting head (811), a gas piston column (812), a force transmission push rod (813), a pressure receiving plate (814) and a spring D (815), wherein a gas box (812) is provided inside the gas sub-box (81), a one-way gas replenishing valve (83) is fixedly installed on one side of the bottom of the gas box (812), and the one-way gas replenishing valve (83) extends from one end of the gas box (82) to the outer wall of the gas sub-box (81), and the bottom of the gas box (82) is provided with a gas box (812). A one-way gas branch pipe (84) is fixedly installed, a storage box (85) is fixedly installed at the bottom of the one-way gas branch pipe (84), a pressure storage cylinder (87) is fixedly installed at the bottom of the storage box (85), a spring C (88) is placed inside the pressure storage cylinder (87), the outer wall of the spring C (88) is movably connected to the movable rod (810), a pressure transmission plug (89) is fixedly installed on the top of the movable rod (810), and the bottom of the movable rod (810) is also fixedly connected to the pressure acting head (811), in addition, the inside of the gas box (82) is movably connected to the gas piston column (812), the top of the gas piston column (812) is fixedly installed with a force transmission push rod (813), the top of the force transmission push rod (813) is fixedly installed with a pressure receiving plate (814), and the outer wall thereof is movably connected to the spring D (815).

5. The punching device for producing ring-pull easy-open cans according to claim 1, characterized in that: The small-size finished product bin (65) and the large-size finished product bin (64) are threadedly connected. A screening tube (10) is fixedly connected to the interior of the small-size finished product bin (65) and the large-size finished product bin (64). A side bracket (13) is fixedly installed on one side of the screening tube (10). A flip connecting rod (12) is movably sleeved inside the side bracket (13). A discharge baffle (11) is fixedly installed on the bottom of one side of the flip connecting rod (12). A screening installation groove (14) is opened inside the screening installation groove (14). A specification grading plate (15) is movably sleeved inside the specification grading plate (15). A stamped finished product (16) is placed on the top of the specification grading plate (15).

6. The punching device for producing ring-pull easy-open cans according to claim 5, characterized in that: A rotating shaft (121) is fixedly mounted on the top of the flip connecting rod (12), and a torsion spring A (122) is movably sleeved on the outer walls of both ends of the rotating shaft (121). Both ends of the torsion spring A (122) and the rotating shaft (121) are movably sleeved inside the side bracket (13).

7. The punching device for producing ring-pull easy-open cans according to claim 5, characterized in that: Both sides of the top of the specification grading plate (15) are fixedly connected to a rotating connecting shaft (151), the middle of the rotating connecting shaft (151) is fixedly connected to a limiting ring plate (152), and the outer wall of one end of the rotating connecting shaft (151) away from the specification grading plate (15) is movably sleeved with a torsion spring B (153).

8. The punching device for producing ring-pull easy-open cans according to claim 2, characterized in that: A sealing transverse plate (74) is fixedly installed inside the pressurized gas storage tank (72), and a sealing piston rod (75) is movably sleeved inside the sealing transverse plate (74). A limit stopper (76) is fixedly installed on one side of the sealing piston rod (75), and a sealing gasket (78) is fixedly connected to the outer wall of one end of the sealing piston rod (75) away from the limit stopper (76). A sealing return spring (77) is provided between the sealing gasket (78) and the sealing transverse plate (74). The outer wall of the sealing return spring (77) and the end of the sealing piston rod (75) away from the limit stopper (76) are movably sleeved. An interface sealing seat (711) is fixedly installed on the outer wall of one side of the pressurized gas storage tank (72), and a thrust transmission block (710) is movably sleeved inside the interface sealing seat (711). The thrust transmission block (710) is fixedly connected to the outer wall of the sealing gasket (78) through a transverse mounting rod (79).

9. The punching device for producing ring-pull easy-open cans according to claim 8, characterized in that: An air inlet is provided between the sealing pad (78) and the thrust conducting block (710).

10. The punching device for producing ring-pull easy-open cans according to claim 2, characterized in that: A circular cavity is provided inside the motion limiting cylinder (97), and the interior of the circular cavity is movably sleeved with the outer wall of the lifting transmission rod (92).

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