Product positioning structure of automatic notching machine

The servo motor-driven feeding system and screw guide structure solve the problems of unstable positioning and time-consuming operation of the automatic punching machine when processing long sheets, and realize efficient and stable automatic loading and punching process.

CN223405811UActive Publication Date: 2025-10-03KUNSHAN LUERTONG AUTOMATION EQUIPMENT CO LTD
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Patent Information

Application Number
CN202422922059.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-03
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

When processing long sheets, existing automatic punching machines need to frequently start and stop large conveyor belts for positioning and punching, which makes the operation time-consuming and labor-intensive, the sheet is not stable enough, and is prone to left and right deviation, resulting in low processing efficiency.

Method used

The feeding system is driven by a servo motor, including a limit frame, a feeding pressure plate and a moving block structure. The servo motor drives the feeding roller and the lower pressure wheel to automatically position and push the product. The screw guide system is combined to achieve lateral movement of the placement table, avoiding manual loading.

Benefits of technology

It improves the stability and efficiency of the punching operation, avoids the increased failure rate and power consumption caused by frequent starting and stopping of the conveyor belt, and realizes the convenience and flexibility of automatic loading.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a product positioning structure of an automatic notching machine, which is characterized in that the top side of a base is fixedly connected with a rack, a stamping cylinder is fixedly connected with the top side of the rack, and the fixed end of the stamping cylinder extends into the rack, so that the edge of the right side of the top of a product is limited and fixed by a lower pressing wheel; the situation that a product deviates leftwards and rightwards in the notching operation process can be avoided, an output shaft of a second servo motor drives a feeding roller to rotate anticlockwise, the product can be automatically pushed into a notching die, the product can be returned backwards, the notching position of the product can be flexibly adjusted, and compared with material conveying of a conveying belt, the notching machine has the advantages that the production efficiency is improved, and the production cost is reduced. The situation that the failure rate is increased and power consumption is increased due to frequent starting and stopping of large conveying equipment is avoided, the containing table transversely moves on the feeding positioning base, workers do not need to manually carry products and correspond to the position right behind a notching die, and feeding operation is more convenient and faster.
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Description

Technical Field

[0001] The utility model relates to the technical field of punching machines, in particular to a product positioning structure of an automatic punching machine. Background Art

[0002] The punching machine is suitable for notching operations on various steel, iron, copper, aluminum plates, formed steel, channel steel, I-beams, etc. It is easy to operate, labor-saving and fast in punching. It is especially suitable for outdoor operations in the power, construction and other industries. With the rapid development of science and technology, the punching machine has also been technically improved.

[0003] In the prior art, a punching machine with an automatic feeding function is disclosed with application number 202221509274.X, which discloses a hydraulic cylinder fixedly connected to the top of a frame, a telescopic rod connected to the bottom of the telescopic rod, a mounting plate connected to the bottom of the mounting plate, a punching head connected to a storage plate inside the frame, a through slot corresponding to the position of the punching head, an opening provided on one side of the frame, a conveyor belt provided in the opening, a guide plate provided at one end of the conveyor belt, a connecting rod slidably inserted on the side of the frame away from the through slot, and a stop plate connected to one end of the connecting rod; the above device can only be fed through a conveyor belt, but when long-sized sheets are loaded during the processing, it is necessary to frequently start and stop the large-scale conveyor belt equipment for positioning and punching, which is time-consuming and labor-intensive to operate, and the processing efficiency is insufficient. The stability of the sheet during the punching process is insufficient, and it is easy to deviate left and right.

[0004] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content

[0005] In response to the problems in the related technology, the utility model proposes a product positioning structure of an automatic punching machine to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical scheme adopted by the present invention is as follows: an automatic punching machine product positioning structure, including a base, a frame, and a punching cylinder, the top side of the base is fixedly connected to the frame, the punching cylinder is fixedly connected to the top side of the frame, the fixed end of the punching cylinder extends into the interior of the frame, and the movable end is fixedly connected to the punching head, the bottom side of the inner wall of the frame is fixedly connected to the punching die, the rear side of the base is fixedly connected to a feeding positioning seat, the top side of the feeding positioning seat is connected to a placing table, the right bottom side of the placing table is fixedly connected to an L-shaped connecting plate, the bottom side of the inner wall of the L-shaped connecting plate is fixedly connected to a limiting frame, the rear side of the L-shaped connecting plate is fixedly connected to a first servo motor, the output shaft of the first servo motor extends into the interior of the L-shaped connecting plate and is fixedly connected to an adjusting shaft, the left bottom side of the placing table is fixedly connected to an L-shaped support plate, the middle of the top side of the L-shaped support plate is fixedly connected to a telescopic cylinder, the movable end of the telescopic cylinder extends into the interior of the L-shaped support plate and is fixedly connected to a feeding pressure plate.

[0007] As a further optimization, the limiting frame includes a groove block and a movable block. The interior of the groove block is movably connected to the movable block. A first connecting hole is provided on both sides of the groove block, and a second connecting hole is provided on both sides of the movable block.

[0008] As a further optimization, the aperture of the first connecting hole is equal to the aperture of the second connecting hole, and the adjustment shaft passes through the first connecting hole and the outer end of the second connecting hole in sequence, and is fixedly connected to the inner wall of the second connecting hole.

[0009] As a further optimization, a fixed plate is fixedly connected to the top side of the movable block, support rods are fixedly connected to the front and rear of the left side of the fixed plate, and a lower pressure wheel is fixedly connected to the outer end of the support rod.

[0010] As a further optimization, a second servo motor is symmetrically fixedly connected to the left side of the feeding pressure plate, and first connecting grooves are symmetrically dug on the bottom side of the feeding pressure plate, and second connecting grooves are equidistantly dug between the first connecting grooves.

[0011] As a further optimization, a feed roller is connected between the inner walls of the first connecting groove via a bearing, a lower pressure roller is fixedly connected between the inner walls of the second connecting groove, and the output shaft of the second servo motor is fixedly connected to one end of the feed roller.

[0012] As a further optimization, a third servo motor is provided on the right side of the wall cavity of the feeding positioning seat, and a rectangular groove is dug on the left side of the top of the feeding positioning seat. A screw is connected to the left side of the inner wall of the rectangular groove through a bearing, and a guide rod is provided on one side of the screw.

[0013] As a further optimization, a moving block is provided on the outside of the lead screw and the guide rod, the output shaft of the third servo motor is fixedly connected to the right end of the lead screw, a lead screw nut is provided inside the moving block through a bearing, and is threadedly connected to the lead screw through the lead screw nut, and the top side of the moving block is fixedly connected to the bottom side of the placement table.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the lower pressure wheel is used to limit and fix the top right edge of the product, which can avoid the product from shifting left and right during the punching operation; the output shaft of the second servo motor drives the feed roller to rotate counterclockwise, which can automatically push the product into the punching die, and can return the product to the rear, so that the punching position of the product can be flexibly adjusted. Compared with the feeding of the conveyor belt, it avoids the frequent start and stop of large feeding equipment, which leads to increased failure rate and increased power consumption, and makes the placement table displace laterally on the feeding positioning seat, eliminating the need for staff to manually move the product and correspond to the rear of the punching die, making the loading operation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the appearance and structure of the limit frame of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the feeding pressing plate of the present utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the feeding positioning seat of the present utility model.

[0020] In the figure: 1. Base; 2. Frame; 3. Punching cylinder; 4. Punching head; 5. Punching die; 6. Feeding positioning seat; 7. Placing table; 8. L-shaped connecting plate; 9. Limiting frame; 10. First servo motor; 11. Adjusting shaft; 12. L-shaped supporting plate; 13. Telescopic cylinder; 14. Feeding pressure plate; 15. Groove block; 16. Movable block; 17. First connecting hole; 18. Second connecting hole; 19. Fixed plate; 20. Support rod; 21. Lower pressure wheel; 22. Second servo motor; 23. First connecting groove; 24. Second connecting groove; 25. Feeding roller; 26. Lower pressure roller; 27. Third servo motor; 28. Rectangular groove; 29. ​​Screw; 30. Guide rod; 31. Moving block. DETAILED DESCRIPTION

[0021] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0022] Example 1

[0023] like Figures 1 to 4As shown, a product positioning structure of an automatic punching machine includes a base 1, a frame 2, and a punching cylinder 3. The top side of the base 1 is fixedly connected to the frame 2, the punching cylinder 3 is fixedly connected to the top side of the frame 2, the fixed end of the punching cylinder 3 extends into the interior of the frame 2, and the movable end is fixedly connected to the punching head 4, the bottom side of the inner wall of the frame 2 is fixedly connected to the punching die 5, the rear side of the base 1 is fixedly connected to a feeding positioning seat 6, the top side of the feeding positioning seat 6 is connected to a placing table 7, the bottom right side of the placing table 7 is fixedly connected to an L-shaped connecting plate 8, the bottom side of the inner wall of the L-shaped connecting plate 8 is fixedly connected to a limiting frame 9, L The rear side of the L-shaped connecting plate 8 is fixedly connected to a first servo motor 10, the output shaft of the first servo motor 10 extends into the interior of the L-shaped connecting plate 8, and is fixedly connected to an adjusting shaft 11, the bottom left side of the placement table 7 is fixedly connected to an L-shaped support plate 12, the middle part of the top side of the L-shaped support plate 12 is fixedly connected to a telescopic cylinder 13, the movable end of the telescopic cylinder 13 extends into the interior of the L-shaped support plate 12, and is fixedly connected to a feeding pressure plate 14, the limiting frame 9 includes a groove block 15 and a movable block 16, the interior of the groove block 15 is movably connected to the movable block 16, and the groove block 15 is provided with a first connecting rod on both sides. Hole 17, a second connecting hole 18 is provided on both sides of the movable block 16. The aperture of the first connecting hole 17 is equal to the aperture of the second connecting hole 18. The adjusting shaft 11 passes through the first connecting hole 17 and the outer end of the second connecting hole 18 in sequence, and is fixedly connected to the inner wall of the second connecting hole 18. A fixed plate 19 is fixedly connected to the top side of the movable block 16. The front and rear sides of the left side of the fixed plate 19 are respectively fixedly connected to support rods 20. The outer end of the support rod 20 is fixedly connected to the lower pressing wheel 21. When the product is sent into the punching die 5 at the bottom of the inner wall of the frame 2 through the placement table 7, the stamping cylinder 3 is started to drive the stamping The head 4 impacts downward to perform a punching operation on the product in the punching die 5. During the punching operation, the first servo motor 10 can be started, and the output shaft of the first servo motor 10 drives the adjusting shaft 11 to rotate, so that the adjusting shaft 11 simultaneously drives the movable block 16 inside the groove block 15 to rotate left, so that the movable block 16 flips to the left inside the groove block 15, and the lower pressure wheel 21 on the left side of the fixed plate 19 moves downward, so that the lower pressure wheel 21 limits and fixes the top right edge of the product, which can avoid the product from shifting left and right during the punching operation.

[0024] Example 2

[0025] like Figures 1 to 4As shown, a product positioning structure of an automatic punching machine is provided. The left side of the feeding pressure plate 14 is symmetrically fixedly connected to the second servo motor 22. The bottom side of the feeding pressure plate 14 is symmetrically dug with a first connecting groove 23. The second connecting groove 24 is dug equidistantly between the first connecting grooves 23. A feeding roller 25 is connected between the inner walls of the first connecting grooves 23 through a bearing. A lower pressing roller 26 is fixedly connected between the inner walls of the second connecting grooves 24. The output shaft of the second servo motor 22 is fixedly connected to one end of the feeding roller 25. When the limiting frame 9 limits the top edge of the product, the telescopic cylinder 13 is started, and the movable end of the telescopic cylinder 13 drives the feeding pressure plate 14 to descend, so that The lower pressure roller 26 on the bottom side of the feeding pressure plate 14 presses down on the top of the product in a large range, further improving the stability of the product punching operation, and after the feeding pressure plate 14 stops applying pressure to the product and becomes smaller, the second servo motor 22 can be started, and the output shaft of the second servo motor 22 drives the feeding roller 25 to rotate counterclockwise, which can automatically push the product into the punching die 5. Similarly, the second servo motor 22 can be controlled to rotate in the opposite direction, and the product can be retracted, so that the punching position of the product can be flexibly adjusted. Compared with the feeding of the conveyor belt, it avoids the frequent starting and stopping of large-scale feeding equipment, which leads to increased failure rate and increased power consumption.

[0026] Example 3

[0027] like Figures 1 to 4 As shown, a product positioning structure of an automatic punching machine is provided with a third servo motor 27 on the right side of the wall cavity of the feeding positioning seat 6, and a rectangular groove 28 is dug on the left side of the top of the feeding positioning seat 6. A screw 29 is connected to the left side of the inner wall of the rectangular groove 28 through a bearing. A guide rod 30 is provided on one side of the screw 29, and a moving block 31 is sleeved on the outside of the screw 29 and the guide rod 30. The output shaft of the third servo motor 27 is fixedly connected to the right end of the screw 29, and a screw nut is provided inside the moving block 31 through a bearing, and is threadedly connected to the screw 29 through the screw nut. The top side of the moving block 31 is fixedly connected to the bottom side of the placing table 7. By starting the third servo motor 27, the output shaft of the third servo motor 27 drives the screw 29 to rotate. Under the guidance and limiting action of the guide rod 30 on the moving block 31, the screw 29 and the moving block 31 outside the guide rod 30 drive the placing table 7 to move, so that the placing table 7 is laterally displaced on the feeding positioning seat 6, without the need for staff to manually carry the product and corresponding to the back of the punching die 5, the loading operation is more convenient.

[0028] In the present invention, while the limiting frame 9 is limiting the top edge of the product, the telescopic cylinder 13 is started, and the movable end of the telescopic cylinder 13 drives the feeding pressure plate 14 to descend, so that the lower pressure roller 26 on the bottom side of the feeding pressure plate 14 can press down and position the top of the product in a large range, further improving the stability of the product punching operation, and after the feeding pressure plate 14 stops applying pressure to the product and becomes smaller, the second servo motor 22 can be started, and the output shaft of the second servo motor 22 drives the feeding roller 25 to rotate counterclockwise, which can automatically push the product into the punching die 5. Similarly, the second servo motor 22 can be controlled to rotate in the opposite direction, which can make the product retreat backward. When the product is fed into the punching die 5 at the bottom of the inner wall of the frame 2 through the placement table 7, the punching cylinder 3 is started to drive the punching head 4 to impact downward, which can The product in the punching operation is performed. During the punching operation, the first servo motor 10 can be started, and the output shaft of the first servo motor 10 drives the adjusting shaft 11 to rotate, so that the adjusting shaft 11 simultaneously drives the movable block 16 inside the groove block 15 to rotate left, so that the movable block 16 flips to the left inside the groove block 15, and the lower pressing wheel 21 on the left side of the fixed plate 19 moves downward, so that the lower pressing wheel 21 limits and fixes the top right edge of the product. By starting the third servo motor 27, the output shaft of the third servo motor 27 drives the lead screw 29 to rotate, and under the guidance and limiting action of the guide rod 30 on the movable block 31, the lead screw 29 and the movable block 31 outside the guide rod 30 drive the placement table 7 to move, so that the placement table 7 is laterally displaced on the feeding positioning seat 6 and corresponds to the back of the punching die 5.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A product positioning structure for an automatic punching machine, comprising a base (1), a frame (2), and a punching cylinder (3), characterized in that: The top side of the base (1) is fixedly connected to the frame (2), the punching cylinder (3) is fixedly connected to the top side of the frame (2), the fixed end of the punching cylinder (3) extends into the interior of the frame (2), and the movable end is connected to the punching head (4), the bottom side of the inner wall of the frame (2) is connected to the punching die (5), the rear side of the base (1) is connected to the feeding positioning seat (6), the top side of the feeding positioning seat (6) is connected to the placement table (7), the bottom right side of the placement table (7) is connected to an L-shaped connecting plate (8), the L-shaped connecting plate ( 8) A limiting frame (9) is connected to the bottom side of the inner wall, a first servo motor (10) is connected to the rear side of the L-shaped connecting plate (8), an output shaft of the first servo motor (10) extends into the interior of the L-shaped connecting plate (8), and is connected to an adjustment shaft (11), an L-shaped support plate (12) is connected to the bottom left side of the placement table (7), a telescopic cylinder (13) is connected to the middle of the top side of the L-shaped support plate (12), a movable end of the telescopic cylinder (13) extends into the interior of the L-shaped support plate (12), and is connected to a feeding pressure plate (14).

2. The product positioning structure of an automatic punching machine according to claim 1, characterized in that: The limiting frame (9) comprises a groove block (15) and a movable block (16); the groove block (15) is movably connected to the movable block (16); first connecting holes (17) are provided on both sides of the groove block (15); and second connecting holes (18) are provided on both sides of the movable block (16).

3. The product positioning structure of an automatic punching machine according to claim 2, characterized in that: The aperture of the first connecting hole (17) is equal to the aperture of the second connecting hole (18), and the adjusting shaft (11) passes through the outer ends of the first connecting hole (17) and the second connecting hole (18) in sequence, and is fixedly connected to the inner wall of the second connecting hole (18).

4. The product positioning structure of an automatic punching machine according to claim 2 or 3, characterized in that: The top side of the movable block (16) is connected to a fixed plate (19), the front and rear left sides of the fixed plate (19) are respectively connected to support rods (20), and the outer ends of the support rods (20) are connected to lower pressure wheels (21).

5. The product positioning structure of an automatic punching machine according to claim 1, characterized in that: A second servo motor (22) is symmetrically connected to the left side of the feeding pressing plate (14), and first connecting grooves (23) are symmetrically excavated on the bottom side of the feeding pressing plate (14), and second connecting grooves (24) are equidistantly excavated between the first connecting grooves (23).

6. The product positioning structure of an automatic punching machine according to claim 5, characterized in that: A feeding roller (25) is connected between the inner walls of the first connecting groove (23) via a bearing, a lower pressing roller (26) is connected between the inner walls of the second connecting groove (24), and an output shaft of the second servo motor (22) is fixedly connected to one end of the feeding roller (25).

7. The product positioning structure of an automatic punching machine according to claim 1, 2 or 6, characterized in that: A third servo motor (27) is provided on the right side of the wall cavity of the feeding positioning seat (6), a rectangular groove (28) is dug on the left side of the top of the feeding positioning seat (6), a lead screw (29) is connected to the left side of the inner wall of the rectangular groove (28) through a bearing, and a guide rod (30) is provided on one side of the lead screw (29).

8. The product positioning structure of an automatic punching machine according to claim 7, characterized in that: A moving block (31) is sleeved on the outside of the lead screw (29) and the guide rod (30); the output shaft of the third servo motor (27) is fixedly connected to the right end of the lead screw (29); a lead screw nut is passed through the inside of the moving block (31) via a bearing, and is threadedly connected to the lead screw (29) through the lead screw nut; the top side of the moving block (31) is fixedly connected to the bottom side of the placement table (7).

Citation Information

Patent Citations

  • Notching machine with automatic feeding function

    CN217700908U