A thin steel sheet storage and feeding device for continuous punching production

Abstract

The utility model discloses a thin steel plate storage feeding device for continuous punching production, including two vertical frames, and the top of two vertical frames is fixedly connected with the top supporting plate. The thin steel plate storage feeding device for continuous punching production, through the setting of vertical frame, pressure roller, positioning roller and inlet and outlet material guide roller, the buffer feeding area of thin steel plate is U-shaped vertical layout, fully utilizes the height space, compared with horizontal loop, greatly reduces the equipment area, makes it effectively establish a dynamic buffer zone between the preceding uncoiling flattening and the subsequent stamping forming, ensures the realization of high -speed continuous production, and through the step motor of both sides setting, respectively stable control both sides inlet and outlet material guide roller rotation, to guarantee its feeding stability, with the dynamic reserve and release of the buffer area of thin steel plate being U-shaped material ring, completely solves the problem of the interruption of the rear end stamping process caused by the front end feeding interruption or unstable speed.

Description

Technical Field

[0001] This utility model relates to the technical field of thin steel sheet processing equipment, specifically a thin steel sheet storage and feeding device for continuous stamping production. Background Technology

[0002] In the metal sheet processing industry, thin steel sheet coils need to go through a series of processes such as uncoiling, leveling, punching, and roll forming. To ensure production efficiency, the stamping and roll forming processes are usually required to be carried out continuously without interruption. However, the uncoiling and leveling processes at the front end may be interrupted or have speed mismatch due to reasons such as coil changing or speed fluctuations. This will lead to the imbalance of the cycle time of the front and rear processes, directly affecting the continuity of subsequent stamping and roll forming, causing production stoppages, material waste, or even mold damage.

[0003] In existing technologies, devices such as loopers or storage pits are usually set up in the production line to buffer materials. However, looper devices occupy a large space and have a complex structure; while pit-type storage pits have high requirements for plant infrastructure and are not convenient for maintenance and monitoring. In addition, traditional material storage and conveying methods do not accurately control the tension of thin steel, which can easily cause excessive stretching or surface scratches to thin steel plates.

[0004] Therefore, in order to address the above problems, this application proposes a thin steel plate storage and feeding device for continuous stamping production. While avoiding the need for thin steel plates to occupy a large area of ​​the factory space during storage and feeding, it also ensures precise control of the tension force that allows the thin steel plates to be stretched, enabling it to effectively match the speed of the preceding and following processes and ensuring a stable storage and feeding effect for continuous production. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a thin steel plate storage and feeding device for continuous stamping production, which solves the problems mentioned in the background art.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a thin steel plate storage and feeding device for continuous stamping production, comprising two vertical frames, a top support plate fixedly connected to the top of the two vertical frames, a hydraulic telescopic rod fixedly installed through the middle of the top support plate, a roller frame fixedly installed at the bottom end of the output rod of the hydraulic telescopic rod, a lower shaft rod fixedly arranged in the groove in the middle of the roller frame, a pressure roller rotatably sleeved on the surface of the lower shaft rod, and the surface of the pressure roller pressing and contacting the thin steel plate, the middle of the vertical frame... An upper shaft is fixedly installed inside the groove. A positioning roller is rotatably sleeved on the surface of the upper shaft. A positioning bracket is fixedly installed on the side of the vertical frame. A stepper motor is fixedly installed on the front of the positioning bracket. The output shaft of the stepper motor is fixedly connected to the end of the drive shaft. The other end of the drive shaft is inserted into the middle groove of the positioning bracket and rotatably connected to the inner wall of the groove. An inlet and outlet guide roller is fixedly sleeved on the surface of the drive shaft. A low-position detection photoelectric switch and a high-position detection photoelectric switch are provided on the inner side of the vertical frame.

[0009] Preferably, the sides of both the low-position detection photoelectric switch and the high-position detection photoelectric switch are fixedly connected to the side of the mounting plate by screws. A sliding member is fixedly provided on the side of the mounting plate. A groove for cooperating with the sliding member is opened on the inner side of the vertical frame. The other end of the sliding member is inserted into the groove opened on the side of the vertical frame, and the built-in slider at the end of the sliding member is slidably connected to the inner wall of the groove opened on the side of the vertical frame. A fastening screw passes through the side of the mounting plate, and the surface of the fastening screw is threaded to the inner wall of the mounting plate.

[0010] Preferably, positioning card inserts are fixedly provided on both the front and back panels of the roller frame. The two positioning card inserts are symmetrically distributed about the center of the roller frame. A positioning inner insert is inserted into the end face of the positioning card insert. A connecting screw is provided through the surface of the positioning inner insert. The end of the connecting screw is inserted into the interior of the positioning card insert, and the surface of the connecting screw is threadedly connected to the inner wall of the positioning inner insert and the positioning card insert.

[0011] Preferably, a connector is fixedly connected to the bottom of the positioning inner cylinder, an outer sleeve is fixedly connected to the bottom end of the connector, a threaded hanger is threadedly inserted into the bottom of the outer sleeve, a tripod is provided below the pressure roller, and two shaft rods are fixedly provided in the groove in the middle of the tripod.

[0012] Preferably, the surface of the shaft rod is rotatably fitted with an abutment limiting cylinder, and both the front and back panels of the tripod are fixedly provided with protrusions. The surface of the threaded rod passes through the middle of the protrusion, and the surface of the threaded rod is threadedly connected to the inner wall of the protrusion.

[0013] Preferably, the hydraulic telescopic rod, stepper motor, low-position detection photoelectric switch, and high-position detection photoelectric switch are all electrically connected to an external control system via data cables.

[0014] (III) Beneficial Effects

[0015] This utility model provides a material storage and feeding device for thin steel plates in continuous stamping production. It has the following beneficial effects:

[0016] (1) The thin steel plate storage and feeding device for continuous stamping production, through the setting of vertical frame, pressure roller, positioning roller and infeed guide roller, and by arranging its thin steel plate buffer feeding area in a U-shape vertical layout, makes full use of the height space. Compared with the horizontal looper, it greatly reduces the equipment footprint and effectively establishes a dynamic buffer zone between the pre-coiling and leveling and the post-stamping forming, ensuring the realization of high-speed continuous production. The stepper motors set on both sides stably control the rotation of the infeed guide rollers on both sides to ensure the stability of its feeding. By setting its thin steel plate buffer zone as a U-shaped material ring for dynamic storage and release, the problem of interruption or speed of front-end feeding is completely solved. To address the issue of interruptions in the downstream stamping process caused by unstable temperature, this system ensures continuous and efficient production. Simultaneously, non-contact low-position and high-position photoelectric switches continuously measure the position of the U-shaped material ring area of ​​the thin steel plate. The hydraulic telescopic rod output can reliably control the lifting and lowering of the pressure roller, thus controlling the stretching range of the U-shaped material ring area. This ensures precise control of the tension force required to loosen the thin steel plate. Furthermore, the internal telescopic displacement of the threaded hanger within the outer sleeve, combined with the control of the opposing limit roller and the pressure roller's support, keeps the bottom of the U-shaped material ring area of ​​the thin steel plate in a limited position, preventing material loosening and derailment, thus avoiding deformation or surface damage. Attached Figure Description

[0017] Figure 1 This is a front view of the structure of this utility model;

[0018] Figure 2 The structure of this utility model Figure 1 Enlarged view of point A;

[0019] Figure 3 This is a detailed drawing of the connection between the roller frame and the tripod base in the partial structure of this utility model;

[0020] Figure 4 The structure of this utility model Figure 3 Enlarged view of point B;

[0021] Figure 5 The structure of this utility model Figure 4 Enlarged diagram of point C.

[0022] In the diagram: 1. Vertical frame; 2. Top support plate; 3. Hydraulic telescopic rod; 4. Roller frame; 5. Lower shaft rod; 6. Pressure roller; 7. Thin steel plate; 8. Upper shaft rod; 9. Positioning roller; 10. Positioning frame base; 11. Stepper motor; 12. Drive shaft; 13. Infeed / outfeed guide roller; 14. Low-position detection photoelectric switch; 15. High-position detection photoelectric switch; 16. Mounting slide plate; 17. Sliding component; 18. Fastening screw; 19. Positioning clip insert; 20. Positioning inner insert; 21. Connecting component; 22. Outer sleeve; 23. Tripod base; 24. Protrusion; 25. Threaded lifting rod; 26. Shaft rod; 27. Contact limiting roller; 28. Connecting screw. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figure 1-5As shown, this utility model provides a technical solution: a thin steel plate storage and feeding device for continuous stamping production, including two vertical frames 1, with a top support plate 2 fixedly connected to the top of the two vertical frames 1, and a hydraulic telescopic rod 3 fixedly installed through the middle of the top support plate 2. A roller frame 4 is fixedly installed at the bottom of the output rod of the hydraulic telescopic rod 3. By setting the hydraulic telescopic rod 3, the output of the hydraulic telescopic rod 3 can be used to adjust and control the height of the roller frame 4 at any time. A lower shaft rod 5 is fixedly installed in the groove in the middle of the roller frame 4, and a pressure roller 6 is rotatably sleeved on the surface of the lower shaft rod 5. The surface of the pressure roller 6 presses and contacts the thin steel plate 7. An upper shaft rod 8 is fixedly installed in the groove in the middle of the vertical frame 1. A positioning roller 9 is mounted on the rotating surface of the vertical frame 1. A positioning bracket 10 is fixedly installed on the side of the vertical frame 1. A stepper motor 11 is fixedly installed on the front of the positioning bracket 10. The output shaft of the stepper motor 11 is fixedly connected to the end of the drive shaft 12. The other end of the drive shaft 12 is inserted into the middle groove of the positioning bracket 10 and rotatably connected to the inner wall of the groove of the positioning bracket 10. An infeed and outfeed guide roller 13 is fixedly mounted on the surface of the drive shaft 12. By setting up the vertical frame 1, the pressure roller 6, the positioning roller 9, and the infeed and outfeed guide roller 13, and by arranging the buffer feeding area of ​​the thin steel plate 7 in a U-shaped vertical layout, the height space is fully utilized. Compared with the horizontal looper, the equipment footprint is greatly reduced, which effectively establishes a connection between the pre-coiling and leveling and the subsequent stamping and forming. A dynamic buffer zone ensures high-speed continuous production. The inner side of the vertical frame 1 is equipped with a low-position detection photoelectric switch 14 and a high-position detection photoelectric switch 15. These switches allow for real-time monitoring of the depth of the U-shaped material ring formed by the thin steel plate 7 in the middle. This, in conjunction with the control of the hydraulic telescopic rod 3, controls the height of the pressure roller 6, thus adjusting the storage length of the thin steel plate 7. This ensures that the external stamping die always pulls material from the right-side inlet / outlet guide roller 13 at a constant speed. The sides of both the low-position and high-position detection photoelectric switches 14 and 15 are fixedly connected to the sides of the mounting slide plate 16 via screws. A sliding element 17 is fixedly installed on the side of the mounting slide plate 16. The inner side of the frame 1 is provided with a sliding groove for use with the sliding member 17. The other end of the sliding member 17 is inserted into the sliding groove on the side of the vertical frame 1, and the built-in slider at the end of the sliding member 17 is slidably connected to the inner wall of the sliding groove on the side of the vertical frame 1. A fastening screw 18 passes through the side of the mounting plate 16. The surface of the fastening screw 18 is threadedly connected to the inner wall of the mounting plate 16. Through the arrangement of the mounting plate 16 and the sliding member 17, the low-position detection photoelectric switch 14 and the high-position detection photoelectric switch 15 can be vertically slidable on the side of the vertical frame 1 via the sliding member 17, so that the positions of the low-position detection photoelectric switch 14 and the high-position detection photoelectric switch 15 can be adjusted. In conjunction with the rotation of the fastening screw 18, the threaded support force of the fastening screw 18 is utilized.The low-position detection photoelectric switch 14 and the high-position detection photoelectric switch 15, which have been adjusted to their positions, are positioned. Positioning card inserts 19 are fixedly installed on both the front and back panels of the roller frame 4. The two positioning card inserts 19 are symmetrically distributed about the center of the roller frame 4. A positioning inner insert 20 is inserted into the end face of the positioning card insert 19. A connecting screw 28 is provided through the surface of the positioning inner insert 20. The end of the connecting screw 28 is inserted into the interior of the positioning card insert 19, and the surface of the connecting screw 28 is flush with the positioning inner insert 20 and the positioning card. The inner wall of the insert 19 is threaded. Through the arrangement of the positioning insert 19, the positioning inner insert 20, and the docking screw 28, the positioning inner insert 20 is inserted into its inner ring. The docking screw 28 then engages with the threaded connection inside the positioning insert 19, allowing the tripod 23 below to be easily removed for maintenance. A connector 21 is fixedly connected to the bottom of the positioning inner insert 20, and an outer sleeve 22 is fixedly connected to the bottom end of the connector 21. The bottom of the outer sleeve 22... A threaded rod 25 is inserted into the center of the pressure roller 6. A tripod 23 is positioned below the pressure roller 6. Two shaft rods 26 are fixedly installed in the central groove of the tripod 23. A stop and limit cylinder 27 is rotatably fitted onto the surface of the shaft rods 26. Protrusions 24 are fixedly installed on both the front and back panels of the tripod 23. The surface of the threaded rod 25 passes through the center of the protrusion 24, and the surface of the threaded rod 25 is threadedly connected to the inner wall of the protrusion 24. The system is connected via an outer sleeve 22, a tripod 23, protrusions 24, threaded rods 25, and a stop and limit cylinder 27. The positioning cylinder 27 is designed so that, through the rotation of the threaded lifting rod 25, the threaded extension and retraction principle between the threaded lifting rod 25 and the outer sleeve 22 drives the tripod base 23 to move upward. This causes the mounting retaining cylinder 27 to limit and support the thin steel plate 7 that passes over the lower surface of the pressure roller 6, thus preventing the stretched thin steel plate 7 from loosening and falling off. The hydraulic telescopic rod 3, stepper motor 11, low-position detection photoelectric switch 14, and high-position detection photoelectric switch 15 are all electrically connected to the external control system via data cables.

[0025] In use, the device is first installed at the feed end of the external rear stamping die. The thin steel plate 7 from the external leveling machine first passes through the left feed and discharge guide roller 13, then sequentially passes over the upper surface of the left positioning roller 9, the lower surface of the pressure roller 6, and the upper surface of the right positioning roller 9, and finally passes through the lower surface of the right feed and discharge guide roller 13, and is fed towards the external stamping die, as per the instruction manual. Figure 1As shown, during this process, the thin steel plate 7 naturally forms a vertical U-shaped storage ring area in the path. Then, by synchronously rotating the two threaded rods 25 set at the front and rear, the threaded rods 25 and the outer sleeve 22 are used to drive the tripod base 23 to move upward, so that the installed anti-limiting roller 27 limits and supports the thin steel plate 7 that passes over the lower surface of the pressure roller 6. Then, the work can begin to feed material to the external stamping mold on its right. The stepper motors 11 set on both sides control the rotation of the feed and discharge guide rollers 13 on both sides, so that the thin steel plate 7 is stably conveyed to the right. During normal production, the pressure roller 6 is in the middle position, that is, the material ring depth is moderate. When the feeding speed on the left side needs to be slightly faster than the consumption speed at the rear end of the right side, the hydraulic telescopic rod 3 can be used to control the feeding speed. When the pressure roller 6 is engaged, the material ring will descend appropriately. When it descends to trigger the low-position detection photoelectric switch 14, it will continue until the material level rises back to the middle area. Similarly, if the left-side feeding speed needs to be slightly slower and temporarily less than the right-side rear-end consumption speed, or if the front end stops due to roll changing or other reasons, the hydraulic telescopic rod 3 will cooperate with the control of the pressure roller 6, and the material ring will rise appropriately. When it rises to the high-position detection photoelectric switch 15, the lifting speed of the pressure roller 6 will be appropriately reduced to match the rear-end consumption (i.e., control the buffer length of the thin steel plate 7 stored in the middle). At the same time, the feeding can be started by the left-side stepper motor 11. The rear-end stamping die always pulls the material from the right-side inlet and outlet guide roller 13 at a constant speed, so its operation is not affected at all. At the same time, the contents not described in detail in this specification are all prior art known to those skilled in the art.

[0026] In summary, this thin steel plate storage and feeding device for continuous stamping production, through the arrangement of the vertical frame 1, the pressure roller 6, the positioning roller 9, and the infeed and discharge guide rollers 13, and by arranging the buffer feeding area of ​​the thin steel plate 7 in a U-shape vertical layout, fully utilizes the vertical space and significantly reduces the equipment footprint compared to a horizontal looper. It effectively establishes a dynamic buffer zone between the preceding uncoiling and leveling and the subsequent stamping and forming, ensuring high-speed continuous production. Furthermore, the stepper motors 11 on both sides stably control the rotation of the infeed and discharge guide rollers 13 on both sides to ensure the stability of the feeding. By setting the buffer zone of the thin steel plate as a U-shaped material ring for dynamic storage and release, the problem of interrupted or slow front-end feeding is completely solved. The instability caused by the interruption of the downstream stamping process ensures the continuity and efficiency of production. At the same time, non-contact low-position detection photoelectric switch 14 and high-position detection photoelectric switch 15 are used to measure the position of the U-shaped material ring area of ​​the thin steel plate at any time. The hydraulic telescopic rod 3 can control the reliable lifting and lowering action of the pressure roller 6 at any time, so as to control the stretching range of the U-shaped material ring area of ​​the thin steel plate. This ensures precise control of the tension force of the thin steel plate. In addition, the threaded hanger 25 is used to extend and retract inside the outer sleeve 22. By controlling the support between the contact limit roller 27 and the pressure roller 6, the bottom end of the U-shaped material ring area of ​​the thin steel plate is kept in a limited state, which prevents the material from loosening and derailing, causing deformation or surface damage.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A material storage and feeding device for thin steel plates in continuous stamping production, comprising two vertical frames (1), characterized in that: A top support plate (2) is fixedly connected to the top of each of the two vertical frames (1). A hydraulic telescopic rod (3) is fixedly installed through the middle of the top support plate (2). A roller frame (4) is fixedly installed at the bottom of the output rod of the hydraulic telescopic rod (3). A lower shaft rod (5) is fixedly installed in the groove in the middle of the roller frame (4). A pressure roller (6) is rotatably sleeved on the surface of the lower shaft rod (5). A thin steel plate (7) is pressed against the surface of the pressure roller (6). An upper shaft rod (8) is fixedly installed in the groove in the middle of the vertical frame (1). A positioning roller (8) is rotatably sleeved on the surface of the upper shaft rod (8). 9) A positioning bracket (10) is fixedly installed on the side of the vertical frame (1), and a stepper motor (11) is fixedly installed on the front of the positioning bracket (10). The output shaft of the stepper motor (11) is fixedly connected to the end of the drive shaft (12). The other end of the drive shaft (12) is inserted into the middle groove of the positioning bracket (10) and rotatably connected to the inner wall of the groove of the positioning bracket (10). The surface of the drive shaft (12) is fixedly fitted with an inlet and outlet guide roller (13). A low-position detection photoelectric switch (14) and a high-position detection photoelectric switch (15) are provided on the inner side of the vertical frame (1).

2. The thin steel plate storage and feeding device for continuous stamping production according to claim 1, characterized in that: The sides of the low-position detection photoelectric switch (14) and the high-position detection photoelectric switch (15) are fixedly connected to the side of the mounting plate (16) by screws. The side of the mounting plate (16) is fixedly provided with a sliding member (17). The inner side of the vertical frame (1) is provided with a sliding groove for use with the sliding member (17). The other end of the sliding member (17) is inserted into the sliding groove on the side of the vertical frame (1), and the built-in slider at the end of the sliding member (17) is slidably connected to the inner wall of the sliding groove on the side of the vertical frame (1). The side of the mounting plate (16) is penetrated by a fastening screw (18), and the surface of the fastening screw (18) is threadedly connected to the inner wall of the mounting plate (16).

3. The thin steel plate storage and feeding device for continuous stamping production according to claim 1, characterized in that: Positioning card inserts (19) are fixedly provided on the front and back panels of the roller frame (4). The two positioning card inserts (19) are symmetrically distributed in front and behind with respect to the center of the roller frame (4). A positioning inner insert (20) is inserted into the end face of the positioning card insert (19). A connecting screw (28) is provided through the surface of the positioning inner insert (20). The end of the connecting screw (28) is inserted into the interior of the positioning card insert (19), and the surface of the connecting screw (28) is threadedly connected to the inner wall of the positioning inner insert (20) and the positioning card insert (19).

4. A thin steel plate storage and feeding device for continuous stamping production according to claim 3, characterized in that: The bottom of the positioning inner tube (20) is fixedly connected to a connector (21), the bottom end of the connector (21) is fixedly connected to an outer sleeve (22), the bottom of the outer sleeve (22) is threaded with a threaded hanger (25), a tripod (23) is provided below the pressure roller (6), and two shaft rods (26) are fixedly provided in the groove in the middle of the tripod (23).

5. A thin steel plate storage and feeding device for continuous stamping production according to claim 4, characterized in that: The surface of the shaft rod (26) is rotatably fitted with a stop and limit cylinder (27). The front and back panels of the tripod (23) are fixedly provided with protrusions (24). The surface of the threaded rod (25) passes through the middle of the protrusion (24), and the surface of the threaded rod (25) is threadedly connected to the inner wall of the protrusion (24).

6. A thin steel plate storage and feeding device for continuous stamping production according to claim 1, characterized in that: The hydraulic telescopic rod (3), stepper motor (11), low-position detection photoelectric switch (14), and high-position detection photoelectric switch (15) are all electrically connected to the external control system via data lines.

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