Iron plate cutting structure for can making

The negative pressure adsorption and air blowing stamping block structure solves the problem of manual intervention after the can lid is stamped, realizes automated conveying, and improves efficiency and safety.

CN223875960UActive Publication Date: 2026-02-06SHANDONG MINGRUI INTELLIGENT TECH DEV CO LTD
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Patent Information

Application Number
CN202520451529.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-06
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

In the tinplate can manufacturing industry, the stamping and punching processes for can lids require manual intervention, resulting in high labor intensity and unstable efficiency.

Method used

The stamping block structure adopts negative pressure adsorption and air blowing. Through the cooperation of air jet pipe and negative pressure pipe, the stamping product is automatically conveyed, avoiding manual intervention.

Benefits of technology

It improved product conveying efficiency, reduced labor intensity, achieved automated product transfer, and enhanced safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223875960U_ABST
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Abstract

The iron plate cutting structure comprises a workbench, an upper machine frame and a lower machine frame, the workbench is connected with the upper machine frame and the lower machine frame, the lower machine frame is arranged on the outer side of the right end of the workbench, the end portion of the lower machine frame is connected with an inclined guide plate through a bolt, and an inclined limiting plate is arranged on the inner side of the lower machine frame and located at the position opposite to the position of the inclined guide plate. A lower die is fixedly arranged on the inner side of the workbench through a locking nut, the stamping structure is connected with a lifting structure of the cutting machine and comprises a connecting frame, the lower end of the connecting frame is connected with a base, a stepped hole is formed in the inner side of the base, and the functions of improving product conveying efficiency and reducing labor intensity are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model application relates to a can making technical field, specifically a iron sheet cutting structure for can making. BACKGROUND

[0002] In the iron printing can making industry, when making the upper cover of the can, the cold stamping process is mostly used for cutting and deformation, because the upper cover of the can mostly has the structure shape of bending, curvature and the like, and the middle part also has the process of stamping blanking and punching, which leads to the fact that the stamping process product of the upper cover cannot be directly stamped and blanked downward from the plate to be further conveyed, and the stamping and punching blanking product needs to be manually taken down to continue repeated processing, although this process does not consume too much time for skilled workers, but the labor intensity is large and the efficiency is unstable.

[0003] Therefore, the device for improving the product conveying efficiency and reducing the labor intensity is designed to solve the problem. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the utility model aims to provide a iron sheet cutting structure for can making, which can improve the product conveying efficiency and reduce the labor intensity.

[0005] The utility model discloses a technical scheme that is adopted by the device: a iron sheet cutting structure for can making, including workbench, upper frame, lower frame, workbench is connected with upper frame, lower frame respectively, the lower frame sets up at the right end outside of workbench, the end of lower frame is connected with inclined guide plate through bolt, the inside of lower frame is located at the opposite place of inclined guide plate position and is provided with inclined limit pad, the inside of workbench is fixed with lower mould through locking nut, still include the stamping structure that is connected with the lifting structure of cutting machine, the stamping structure includes connecting frame, the lower end of connecting frame is connected with base, the inside of base is provided with stepped hole, the inside of the upper portion of stepped hole is provided with sliding sleeve, the inside of sliding sleeve is provided with the stamping block that slides, the upper end surface between stamping block and connecting frame is provided with four even distribution's compression springs, the both ends of compression spring are fixed respectively through the spring seat that sets up at the bottom of connecting frame, the upper end of core rod and connecting frame are fixed through connecting nut, the inside of stamping block is provided with the air outlet channel, the side of air outlet channel is provided with negative pressure channel, the upper end of air outlet channel is connected with the blast pipe through gas connector, the upper end of negative pressure channel is connected with negative pressure pipe through gas connector, the lower end of stamping block is provided with mould groove structure;

[0006] The upper inner side of the lower rack is provided with a conveying bin, the inner side of the conveying bin is provided with a first belt conveyor, the upper side of the first belt conveyor is provided with a guide plate, the right side of the first belt conveyor is provided with a guide support, the guide support is connected with the conveying bin through bolts, the right end of the guide support is provided with a limiting baffle, the lower side of the limiting baffle is provided with a second belt conveyor, the upper rack is connected with a mounting support, the lower end of the mounting support is fixedly provided with a jet pipe, the tail of the jet pipe is connected with a first electromagnetic valve through a gas joint and a gas pipe.

[0007] Further, the jet pipe is connected with an external gas source through a second electromagnetic valve, and the negative pressure pipe is connected with an external negative pressure source through the second electromagnetic valve.

[0008] Further, the first electromagnetic valve is connected with an external gas source.

[0009] Further, the height of the jet pipe is higher than the conveying height of the first belt conveyor.

[0010] Further, the stamping structure is connected with the lifting mechanism of the cutting machine through bolts, and the height of the lower end of the stamping structure when moving to the highest point is higher than the height of the jet pipe.

[0011] Further, the distance between the lower end of the core rod and the lower end of the stamping block is less than 3cm in the normal state.

[0012] Further, the second electromagnetic valve connected with the jet pipe and the second electromagnetic valve connected with the negative pressure pipe are opposite in opening and closing state.

[0013] Further, the height of the left end of the guide support is lower than the conveying height of the first belt conveyor.

[0014] The device has the following beneficial effects.

[0015] 1. The stamping block capable of negative pressure adsorption and air blowing is used to adsorb the products formed by stamping and molding together and make them rise, the working state of the second electromagnetic valve is switched when the products reach the specified height and are flush with the jet pipe, the high-pressure gas is blown out through the jet pipe to blow the products falling under the action of the stamping block horizontally and fast and make the products perform parabolic motion and fall on the conveying belt of the first belt conveyor to be conveyed away, manual picking and transferring of the products are not needed, the safety coefficient is improved, the product conveying efficiency is improved, and the labor intensity is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural view of the utility model.

[0017] Explanation of reference signs: 1 - workbench; 2 - lower die; 3 - locking nut; 4 - lower rack; 5 - inclined guide plate; 6 - inclined limiting plate; 7 - conveying bin; 8 - first belt conveyor; 9 - guide plate; 10 - guide bracket; 11 - limiting baffle; 12 - second belt conveyor; 13 - mounting bracket; 14 - first electromagnetic valve; 15 - air injection pipe; 16 - connecting frame; 17 - base; 18 - spring seat; 19 - compression spring; 20 - mandrel; 21 - connecting nut; 22 - air blowing pipe; 23 - negative pressure pipe; 24 - air outlet passage; 25 - negative pressure passage; 26 - stamping block; 27 - sliding sleeve. DETAILED DESCRIPTION

[0018] The device of the utility model will be further described below in combination with specific embodiments, and these embodiments are only used for illustrating the utility model and not for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the device of the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims.

[0019] Embodiment one: see Figure 1 It is the structure view of the utility model, a kind of iron plate cutting structure for can making, including workbench 1, upper rack, lower rack 4, workbench 1, upper rack, lower rack 4, lifting mechanism is the conventional setting structure of cutting machine, the lower portion of workbench 1 is only waste recovery box, for recycling the waste material that is stamped off, workbench 1 is connected with upper rack, lower rack 4 respectively, lower rack 4 is arranged at the right end outside of workbench 1, the end of lower rack 4 is connected with inclined guide plate 5 by bolt, the inner side of lower rack 4 is located at the opposite place of inclined guide plate 5 position and is provided with inclined limiting plate 6, the narrow passage formed between inclined guide plate 5 and inclined limiting plate 6 is used to insert the waste material portion on iron plate after cutting, with the progress of stamping cutting, the coverage area of waste material portion on iron plate increases, will be gradually inserted into narrow passage by mechanical hand grabbing, until the cutting on iron plate is completed and only waste material remains, mechanical hand releases iron plate, and iron plate will slide down and leave workbench 1 along with narrow passage.

[0020] The lower die 2 is fixedly arranged in the inner side of the workbench 1 through the locking nut 3, the lower die 2 is arranged with a recess for stamping forming and a discharging hole for blanking, further comprises a stamping structure connected with the lifting structure of the cutting machine, the stamping structure is connected with the lifting mechanism of the cutting machine through bolts, the stamping structure comprises a connecting frame 16, the lower end of the connecting frame 16 is connected with a base 17, the inner side of the base 17 is arranged with a stepped hole, the inner side of the upper part of the stepped hole is arranged with a sliding sleeve 27, the inner side of the sliding sleeve 27 is slidably arranged with a stamping block 26, four evenly distributed compression springs 19 are arranged between the upper end surface of the stamping block 26 and the connecting frame 16, the two ends of the compression spring 19 are fixedly arranged through the spring seat 18 arranged at the bottom of the connecting frame 16 and the upper end of the pressure tank, a channel is arranged in the middle of the stamping block 26, a core rod 20 is slidably arranged in the channel, the upper end of the core rod 20 penetrates through the side wall of the connecting frame 16 and is fixed with the connecting frame 16 through the connecting nut 21, an air outlet channel 24 is arranged in the inner side of the stamping block 26, a negative pressure channel 25 is arranged on the side of the air outlet channel 24, a jet pipe 15 is connected with the air outlet channel 24 through the air joint at the upper end, a negative pressure pipe 23 is connected with the negative pressure channel 25 through the air joint at the upper end, a die groove structure is arranged at the lower end of the stamping block 26, the stamping block 26 of the structure can slide in the base 17 along the axial direction, the function of the slide bar is to reduce the friction generated when the stamping block 26 slides, when the stamping block 26 is relatively raised with the base 17 under the action of external force, the compression spring 19 will be extruded, when the external force disappears, the stamping block 26 will reset under the reset force of the compression spring 19, the end of the stamping block 26 is arranged with a flange structure, the flange structure is limited with the end of the stepped hole in the base 17.

[0021] When the lower die 2 of the stamping block 26 contacts and stamps the main body of the upper cover from the iron plate, the die groove structure and the recess are matched to form the upper cover at the same time, with the continuous pressing of the stamping block 26, the core rod 20 and the stamping block 26 generate relative motion, the core rod 20 moves downward relative to the stamping block 26 and cooperates with the discharging hole to punch off the waste material at the center, the blowing pipe 22 is connected with the external air source through the second electromagnetic valve, the negative pressure pipe 23 is connected with the external negative pressure source through the second electromagnetic valve, at this time, the second electromagnetic valve connected with the negative pressure pipe 23 is opened, the generated negative pressure adsorbs the main body of the upper cover, the lifting mechanism is lifted to drive the stamping block 26 to rise to complete the stamping forming.

[0022] The upper part of the lower frame 4 is provided with a conveying bin 7, the inner side of the conveying bin 7 is provided with a first belt conveyor 8, the upper side of the first belt conveyor 8 is provided with a guide plate 9, the right side of the first belt conveyor 8 is provided with a guide bracket 10, the guide bracket 10 is connected with the conveying bin 7 through bolts, the right end of the guide bracket 10 is provided with a limiting baffle 11, the lower side of the limiting baffle 11 is provided with a second belt conveyor 12, the upper frame is connected with a mounting bracket 13, the lower end of the mounting bracket 13 is fixedly provided with a jet pipe 15, the tail of the jet pipe 15 is connected with a first electromagnetic valve 14 through a gas joint and a gas pipe, the first electromagnetic valve 14 is connected with an external gas source, and the height of the jet pipe 15 is higher than the conveying height of the first belt conveyor 8.

[0023] The second electromagnetic valve connected with the blowing pipe 22 and the second electromagnetic valve connected with the negative pressure pipe 23 are opposite in opening and closing state, the height of the lower end of the stamping structure is higher than the height of the jet pipe 15 when the stamping structure moves to the highest point, and when the stamping block 26 in the stamping structure rises, when the bottom of the stamping block 26 is flush with the jet pipe 15, the first electromagnetic valve 14 is opened, and high-pressure gas is sprayed from the jet pipe 15, and the second electromagnetic valve connected with the blowing pipe 22 and the second electromagnetic valve connected with the negative pressure pipe 23 are exchanged in opening and closing state, the negative pressure disappears, a small amount of gas is blown out of the gas outlet channel 24, the upper cover is separated from the stamping block 26, and the separated upper cover freely falls, but at this time, the high-pressure gas flow blown out of the side jet pipe 15 drives the upper cover to move transversely and fall on the first belt conveyor 8, the left end of the guide bracket 10 is lower than the conveying height of the first belt conveyor 8, and the upper cover conveyed through the first belt conveyor 8 continues to advance along the guide bracket 10 until being stopped by the limiting baffle 11 and falling on the second belt conveyor 12 to end the whole cutting and conveying process.

[0024] Under normal circumstances, the lower end of the core rod 20 and the lower end of the stamping block 26 have a spacing, and the spacing is less than 3cm.

[0025] The stamping block 26 can be used for negative pressure adsorption and blowing, the product formed by stamping is first adsorbed and rises together, the working state of the second electromagnetic valve is switched when the specified height is flush with the jet pipe 15, the high-pressure gas blown out of the jet pipe 15 drives the product blown down by the stamping block 26 to move transversely and perform parabolic motion and fall on the conveying belt of the first belt conveyor 8 to be conveyed away, manual picking and transferring of the product are not needed, the safety factor is improved, the product conveying efficiency is improved, and the function of reducing labor intensity is realized.

Claims

1. A sheet metal cutting structure for can making, comprising a workbench (1), an upper rack, a lower rack (4), the workbench (1) being connected with the upper rack and the lower rack (4) respectively, the lower rack (4) being arranged at the right end outside of the workbench (1), the end of the lower rack (4) being connected with an inclined guide plate (5) through bolts, the inner side of the lower rack (4) being arranged with an inclined limiting plate (6) at the position opposite to the inclined guide plate (5), the inner side of the workbench (1) being fixedly arranged with a lower die (2) through a locking nut (3), further comprising a stamping structure connected with the lifting structure of the cutting machine, characterized in that: The stamping structure comprises a connecting frame (16), the lower end of the connecting frame (16) is connected with a base (17), the inner side of the base (17) is provided with a stepped hole, the upper part of the stepped hole is provided with a sliding sleeve (27) on the inner side, the stamping block (26) is slidably arranged in the sliding sleeve (27), four compression springs (19) are arranged between the upper end surface of the stamping block (26) and the connecting frame (16) and are uniformly distributed, the two ends of the compression spring (19) are fixedly arranged through the spring seat (18) arranged at the bottom of the connecting frame (16) and the upper end of the pressure-bearing tank, a channel is formed in the middle of the stamping block (26), the core rod (20) is slidably arranged in the channel, the upper end of the core rod (20) penetrates through the side wall of the connecting frame (16) and is fixed to the connecting frame (16) through the connecting nut (21), the inner side of the stamping block (26) is provided with a gas outlet channel (24), the side of the gas outlet channel (24) is provided with a negative pressure channel (25), the upper end of the gas outlet channel (24) is connected with the air jet pipe (15) through the air joint, the upper end of the negative pressure channel (25) is connected with the negative pressure pipe (23) through the air joint, and the lower end of the stamping block (26) is provided with a die groove structure. The upper inner side of the lower rack (4) is provided with a conveying bin (7), the inner side of the conveying bin (7) is provided with a first belt conveyor (8), the upper side of the first belt conveyor (8) is provided with a guide plate (9), the right side of the first belt conveyor (8) is provided with a guide bracket (10), the guide bracket (10) is connected with the conveying bin (7) through bolts, the right end of the guide bracket (10) is provided with a limiting baffle (11), the lower side of the limiting baffle (11) is provided with a second belt conveyor (12), the upper rack is connected with a mounting bracket (13), the lower end of the mounting bracket (13) is fixedly provided with an air jet pipe (15), and the tail of the air jet pipe (15) is connected with a first electromagnetic valve (14) through an air joint and an air pipe.

2. The iron sheet cutting structure for can making according to claim 1, wherein: The air blowing pipe (22) is connected with an external air source through a second electromagnetic valve, and the negative pressure pipe (23) is connected with an external negative pressure source through a second electromagnetic valve.

3. The iron sheet cutting structure for a can making according to claim 1, wherein: The first electromagnetic valve (14) is connected with an external air source.

4. The iron sheet cutting structure for a can making according to claim 1, wherein: The height of the air jet pipe (15) is higher than the conveying height of the first belt conveyor (8).

5. The iron sheet cutting structure for a can making according to claim 1, wherein: The stamping structure is connected with the lifting mechanism of the cutting machine through bolts, the height of the lower end of the stamping structure when moving to the highest point is higher than the height of the air jet pipe (15).

6. The iron sheet cutting structure for a can making according to claim 1, wherein: Under normal circumstances, there is a gap between the lower end of the core rod (20) and the lower end of the stamping block (26), and the gap is less than 3cm.

7. The iron sheet cutting structure for a can making according to claim 2, wherein: The opening and closing states of the second electromagnetic valve connected with the air blowing pipe (22) and the second electromagnetic valve connected with the negative pressure pipe (23) are opposite.

8. The iron sheet cutting structure for a can making according to claim 1, wherein: The left end of the guide bracket (10) is lower than the conveying height of the first belt conveyor (8).