Unwinding device capable of achieving rapid feeding and used for stamping of sheet metal parts

By designing a fast-feeding uncoiling device for sheet metal stamping, the problem of production line downtime caused by manual intervention during traditional coil changing was solved, achieving rapid and accurate centering and fixing of steel coils, thus improving production efficiency and stability.

CN223916323UActive Publication Date: 2026-02-17ZHENGZHOU CENTURY JINGXIN MASCH MFG CO LTD
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Patent Information

Application Number
CN202520502295.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-17
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

In traditional sheet metal stamping production, the coil changing process requires manual intervention, which leads to production line downtime, affects efficiency and stability, and is cumbersome and prone to errors.

Method used

A sheet metal stamping uncoiling device with rapid feeding capability was designed. The device drives the placement shaft to rotate through a rotating component, the sliding frame provides guidance, the supporting component clamps the inner wall of the steel coil, the driving component synchronously raises and lowers the threaded rod, and the moving component translates the steel coil. The self-locking characteristic of the worm gear is used to maintain stability, thereby achieving rapid and accurate centering and fixing of the steel coil.

Benefits of technology

It reduces coil changeover time, ensures production line continuity, improves production efficiency, reduces labor intensity, enhances operational safety and equipment stability, and is suitable for steel coils of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sheet metal part stamping unreeling, and discloses a sheet metal part stamping unreeling device capable of fast feeding, which comprises a bottom plate, the top of the bottom plate is fixedly connected with an unreeling machine body and two sliding frames, and the inside of the unreeling machine body is rotatably connected with a placing shaft. And a rotating assembly for driving the placing shaft to rotate is arranged in the unwinding machine body, and four first mounting bases and four second mounting bases are fixedly connected to the outer wall of the placing shaft. Through cooperative use of the sleeve, the worm gear, the driving assembly, the moving assembly and other structures, the steel coil carrying process can be fast and accurate through a synchronous driving mechanism of the double-shaft motor, the coil replacing time is shortened, the continuity of a production line is ensured, the production efficiency is improved, and the production cost is reduced. And meanwhile, manual operation can be greatly reduced in the whole steel coil carrying and placing process, the labor intensity is reduced, and the operation safety and the production stability are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal stamping unwinding technology field especially relates to a kind of sheet metal stamping with quick feeding unwinding device. BACKGROUND

[0002] In sheet metal processing industry, stamping process is widely used in automobile, household appliance, electronic equipment and multiple fields.In these production processes, the continuous stamping production of sheet metal parts needs stable feeding system to ensure that material can be quickly and smoothly supplied to the stamping machine, thereby improving production efficiency and product quality, and in sheet metal stamping process, steel coil as raw material usually needs to be replaced regularly, when a steel coil is used up, new coil must be replaced quickly to ensure the continuity of stamping process.

[0003] Manual intervention is needed in traditional coil changing process, the used steel coil is unloaded, new steel coil is installed and aligned, and the production line needs to be stopped during coil changing, which leads to loss of production efficiency and affects overall output, and in coil changing process, multiple links such as steel coil fixing, tension control and alignment are involved, manual operation is complicated and error-prone, therefore, a kind of sheet metal stamping with quick feeding unwinding device is proposed to solve the above problems. SUMMARY

[0004] The utility model aims at solving the shortcomings in prior art and provides a kind of sheet metal stamping with quick feeding unwinding device.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of sheet metal stamping with quick feeding unwinding device, including bottom plate, the top of the bottom plate is fixedly connected with unwinder body and two sliding frames, the inside of the unwinder body is rotatably connected with placement shaft, the inside of the unwinder body is provided with the rotating assembly of the drive placement shaft rotation, the outer wall of the placement shaft is fixedly connected with four installation seat one and four installation seat two, the outside of installation seat one and installation seat two is hingedly connected with moving rod, the inside of moving rod is commonly hingedly connected with support round plate, one end of the placement shaft is fixedly connected with rotating screw rod, the outer wall of rotating screw rod is provided with the support round assembly that can control support round plate and move, the top of two sliding frames is movably connected with moving base, the inner bottom surface of moving base is fixedly connected with four sleeves, the top of sleeve is rotatably connected with worm wheel, the inside of worm wheel is threadedly connected with threaded rod, the bottom of moving base is provided with the drive assembly that can simultaneously drive four threaded rods and synchronous lifting, the bottom of bottom plate is provided with the moving assembly that moves moving base.

[0006] The unwinding machine body is a main component for fixing and driving the placing shaft. The rotation assembly drives the rotation of the placing shaft, so that the steel coil can be unwound. The sliding frame can provide a guide rail for the horizontal movement of the moving base to ensure the accurate centering of the steel coil to the position of the placing shaft. The support circle assembly can drive the threaded cylinder to move axially to drive the support circle plate to expand radially, clamp the inner wall of the steel coil, and adjust the opening diameter to be compatible with steel coils of different inner diameters. The driving assembly can make the four threaded rods rise and fall synchronously to avoid the inclination of the steel coil, and use the self-locking characteristics of the worm gear to keep the height stable. The moving assembly can lift the steel coil to the target height, and then the hydraulic cylinder pushes the moving base to translate to align the inner hole of the steel coil with the placing shaft.

[0007] Further description of the above technical solution:

[0008] The rotation assembly includes a driving motor fixedly installed in the unwinding machine body through a reduction box. The output end of the driving motor is fixedly connected with a speed reducer. One end of the speed reducer is fixedly connected with the placing shaft.

[0009] The speed reducer ensures stable torque output and is suitable for heavy coils. The rotation speed is adjusted to ensure the smoothness of the unwinding process.

[0010] Further description of the above technical solution:

[0011] The support circle assembly includes a threaded cylinder threadedly connected to the outer wall of the rotating screw rod. The outer wall of the threaded cylinder is fixedly connected with a driving disc. The outer wall of the threaded cylinder is rotatably connected with a moving ring.

[0012] The driving disc can be easily rotated by the staff to adjust according to the size of the different inner diameters.

[0013] Further description of the above technical solution:

[0014] The outer wall of the moving ring is fixedly connected with four moving seats. The outer part of each moving seat is hingedly connected with a moving plate.

[0015] The inner part of each moving plate is hingedly connected with a support circle plate.

[0016] Further description of the above technical solution:

[0017] The driving assembly includes a double-shaft motor fixedly installed in the inner top surface of the moving base through a driving box. The two output ends of the double-shaft motor are rotatably penetrated to the outside of the driving box and fixedly connected with a bevel gear one. The outer walls of the two bevel gears one are meshingly connected with a bevel gear two.

[0018] The bevel gear one and the bevel gear two transmit power through meshing, ensure that the rotary motion of the double-shaft motor can be transmitted to the plurality of threaded rods, and ensure the synchronous lifting action of the four threaded rods, thereby ensuring the stability of the unwinding device.

[0019] As a further description of the above technical solution:

[0020] The transmission shafts are fixedly connected to the interiors of the two bevel gear two, and the outer walls of the transmission shafts are fixedly sleeved with two worms.

[0021] The worm gears and the worms are used to transmit power and realize precise synchronous lifting control, power is transmitted to the threaded rods through the meshing of the worm gears and the worms, so that the four threaded rods are synchronously lifted during the unwinding process, thereby supporting the weight of the steel coil and adjusting the unwinding angle of the steel coil.

[0022] As a further description of the above technical solution:

[0023] The moving assembly comprises a hydraulic cylinder fixedly installed at the top of the bottom plate, and the telescopic end of the hydraulic cylinder is fixedly connected with a driving block.

[0024] The top of the driving block is fixedly connected with the moving base.

[0025] As a further description of the above technical solution:

[0026] The top ends of the four threaded rods are penetrated to the outside of the moving base and are fixedly connected with a placing seat.

[0027] The top of the placing seat is in a circular arc shape, and the steel coil can be stably placed thereon.

[0028] The utility model has the advantages of:

[0029] 1. Compared with the prior art, the metal plate stamping unwinding device capable of rapidly feeding can be rapidly and accurately transported through the synchronous driving mechanism of the double-shaft motor, the coil changing time is reduced, the continuity of the production line is ensured, the production efficiency is improved, the manual operation during the whole coil transporting and placing process can be greatly reduced, the labor intensity is reduced, the operation safety and the production stability are improved.

[0030] 2、Compared with the prior art, the rapid feeding metal plate stamping unwinding device can automatically adjust and fix the inner wall of the steel roll, prevent the steel roll from loosening or falling off during unwinding, effectively ensure the stability of the steel roll, avoid the influence of unstable factors on the production process, and can stably fix and unwind the steel roll regardless of the size of the steel roll, avoid equipment problems caused by size inconsistency, and enhance the versatility and applicability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 The overall structure of the rapid feeding metal plate stamping unwinding device is shown in the perspective view.

[0032] Figure 2 The moving assembly structure of the rapid feeding metal plate stamping unwinding device is shown in the perspective view.

[0033] Figure 3 The driving assembly structure of the rapid feeding metal plate stamping unwinding device is shown in the perspective view.

[0034] Figure 4 The supporting round assembly structure of the rapid feeding metal plate stamping unwinding device is shown in the perspective view.

[0035] Legend:

[0036] 1, bottom plate; 2, unwinder body; 3, sliding frame; 4, placement shaft; 5, mounting seat one; 6, mounting seat two; 7, moving rod; 8, supporting round plate; 9, rotating screw; 10, moving base; 11, sleeve; 12, worm gear; 13, threaded rod; 14, driving motor; 15, speed reducer; 16, threaded cylinder; 17, driving disc; 18, moving ring; 19, moving seat; 20, moving plate; 21, double shaft motor; 22, bevel gear one; 23, transmission shaft; 24, worm; 25, hydraulic cylinder; 26, driving block; 27, mounting seat; 28, bevel gear two. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0038] Reference Figures 1-4The utility model provides a kind of metal plate stamping with quick feeding's unwinding device provided in the utility model: including bottom plate 1, the top of bottom plate 1 is fixedly connected with unwinding machine body 2 and two sliding frames 3, the inside rotation of unwinding machine body 2 is connected with placement shaft 4, the inside of unwinding machine body 2 is provided with the rotating assembly of driving placement shaft 4 rotation, the outer wall of placement shaft 4 is fixedly connected with four mounting seat one 5 and four mounting seat two 6, the outside of mounting seat one 5 and mounting seat two 6 is hinged with moving rod 7, the inside of moving rod 7 is hingedly connected with support round plate 8, one end of placement shaft 4 is fixedly connected with rotating screw 9, the outer wall of rotating screw 9 is provided with the support round assembly capable of controlling support round plate 8 movement, the top of two sliding frames 3 is movably connected with moving base 10, the inner bottom of moving base 10 is fixedly connected with four sleeves 11, the top of sleeve 11 is rotatably connected with worm wheel 12, the inside of worm wheel 12 is threadedly connected with threaded rod 13, the bottom of moving base 10 is provided with the driving assembly capable of simultaneously driving four threaded rods 13 synchronous lifting, the bottom of bottom plate 1 is provided with the moving assembly of pushing moving base 10 movement, unwinding machine body 2 is used for fixed and driven placement shaft 4 main component by being set, the rotation of placement shaft 4 is driven by rotating assembly, so that steel roll can be unfolded or unwound, sliding frame 3 can provide guide rail for the horizontal movement of moving base 10 driven steel roll by being set, ensure that steel roll is accurately centered and placed in the position of placement shaft 4, by setting support round assembly, can let threaded cylinder 16 axial movement drive support round plate 8 radial expansion, clamp the inner wall of steel roll, and adjustable opening diameter, compatible with steel roll of different inner diameter, by setting driving assembly, so that four threaded rods 13 synchronous lifting can avoid steel roll inclination, and utilize worm wheel 12 worm 24 self-locking characteristics and keep height stable, by setting moving assembly, so that steel roll can be lifted to target height, let hydraulic cylinder 25 push moving base 10 translation, so that steel roll inner hole is aligned with placement shaft 4, by the cooperation of sleeve 11, worm wheel 12, driving assembly and moving assembly etc. Structure is used, so that the synchronous driving mechanism of double-shaft motor 21 is used, so that the carrying process of steel roll is fast and accurate, reduces the time of changing roll, ensure the continuity of production line, improve production efficiency, while the carrying and placing process of whole steel roll can greatly reduce manual operation, reduce labor intensity, improve operation safety and production stability.

[0039] Rotating assembly includes driving motor 14 fixedly installed in the inside of unwinding machine body 2 by reduction box, the output of driving motor 14 is fixedly connected with speed reducer 15, one end of speed reducer 15 is fixedly connected with placement shaft 4, by setting speed reducer 15, ensure that torque output is stable, suitable for heavy roll, adjust speed simultaneously, to ensure the stability of unwinding process.

[0040] The supporting assembly comprises a threaded barrel 16 threadedly connected to the outer wall of the rotating screw rod 9, the outer wall of the threaded barrel 16 is fixedly connected with a driving disc 17, and the outer wall of the threaded barrel 16 is rotatably connected with a moving ring 18. By arranging the driving disc 17, the staff can conveniently rotate, so as to adjust according to different inner diameters. The outer wall of the moving ring 18 is fixedly connected with four moving bases 19, and the outer portions of the four moving bases 19 are hingedly connected with moving plates 20, and the inner portions of the moving plates 20 are hingedly connected with the supporting plate 8.

[0041] The driving assembly comprises a double-shaft motor 21 fixedly installed on the inner top surface of the moving base 10 through a driving box, the two output ends of the double-shaft motor 21 are rotatably penetrated to the outside of the driving box and fixedly connected with bevel gears one 22, the outer walls of the two bevel gears one 22 are meshingly connected with bevel gears two 28, the bevel gears one 22 and the bevel gears two 28 transmit power through meshing, so that the rotary motion of the double-shaft motor 21 can be transmitted to the plurality of threaded rods 13, and synchronous lifting actions of the four threaded rods 13 are ensured, the stability of the unwinding device is ensured, the inner portions of the two bevel gears two 28 are fixedly connected with transmission shafts 23, the outer walls of the transmission shafts 23 are fixedly sleeved with two worms 24, the outer walls of the worms 24 are meshed with the worm gears 12, the worm gears 12 and the worms 24 are used for transmitting power and realizing precise synchronous lifting control, power is transmitted to the threaded rods 13 through meshing of the worm gears 12 and the worms 24, so that the four threaded rods 13 are synchronously lifted during unwinding, thereby supporting the weight of the steel coil and adjusting the unwinding angle.

[0042] The moving assembly comprises a hydraulic cylinder 25 fixedly installed on the top of the bottom plate 1, the telescopic end of the hydraulic cylinder 25 is fixedly connected with a driving block 26, the top of the driving block 26 is fixedly connected with the moving base 10, the top ends of the four threaded rods 13 are penetrated to the outside of the moving base 10 and are fixedly connected with a seating seat 27, and the top of the seating seat 27 is in a circular arc shape, so that the steel coil can be more stably placed thereon.

[0043] Working principle: first, the forklift is used to put the steel coil in advance on the installation seat 27, then when the steel coil on the body 2 is used up, the double-shaft motor 21 can be started, the two output ends rotate to drive the two bevel gears I 22 to rotate, synchronously drive the bevel gears II 28 meshing with them to rotate, make the two transmission shafts 23 rotate synchronously, and then drive the worm 24 to rotate, the rotation of the worm 24 synchronously drives the worm gear 12 meshing with it to rotate, makes the threaded rod 13 screwing with the worm gear 12 and placed in the sleeve 11 rotate, through the action of the screw thread, the threaded rod 13 synchronously rises, thereby pushing the steel coil on the installation seat 27 to move, then the worker can aim the center of the steel coil at the placement shaft 4, the hydraulic rod can be started, the telescopic end drives the driving block 26 to move, so that the whole moving base 10 moves along the top of the sliding frame 3, and then the steel coil is placed on the supporting round plate 8, then the double-shaft motor 21 is driven to rotate reversely, the installation seat 27 is lowered, and then the hydraulic rod is controlled to retract, so that the rapid feeding of the steel coil is completed.

[0044] And when the steel coil is placed on the supporting round plate 8, the worker rotates the driving disc 17, so that the threaded cylinder 16 rotates, the rotation of the threaded cylinder 16 will move on the surface of the rotating screw rod 9, thereby making the moving ring 18 move, making the moving plate 20 on the moving seat 19 rotate, synchronously making the moving rod 7 relatively close to the moving plate 20, thereby moving the supporting round plate 8 outward, thereby supporting and fixing the inner wall of the steel coil, so as to facilitate the subsequent rotation and unwinding process, keep the unwinding stable, and keep the steel coil stable during unwinding, prevent the steel ring from falling off accidentally, facilitate the use of workers, and can also fix the steel ring with different sizes of inner diameter, improve the applicability of the device.

[0045] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A rapid feeding sheet metal part stamping unwinding device comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected with a unwinding machine body (2) and two slide frames (3), the inside of the unwinding machine body (2) is rotatably connected with a placing shaft (4), the inside of the unwinding machine body (2) is provided with a rotating assembly for driving the placing shaft (4) to rotate, the outer wall of the placing shaft (4) is fixedly connected with four mounting seats one (5) and four mounting seats two (6), the outside of the mounting seat one (5) and the mounting seat two (6) is hingedly connected with a moving rod (7), the inside of the moving rod (7) is commonly hingedly connected with a supporting circular plate (8), one end of the placing shaft (4) is fixedly connected with a rotating screw rod (9), the outer wall of the rotating screw rod (9) is provided with a supporting circular assembly capable of controlling the moving of the supporting circular plate (8), the top of the two slide frames (3) is commonly movably connected with a moving base (10), the inner bottom surface of the moving base (10) is fixedly connected with four sleeves (11), the top of the sleeve (11) is rotatably connected with a worm wheel (12), the inside of the worm wheel (12) is threadedly connected with a threaded rod (13), the bottom of the moving base (10) is provided with a driving assembly capable of simultaneously driving the synchronous lifting of the four threaded rods (13), the bottom of the bottom plate (1) is provided with a moving assembly for moving the moving base (10).

2. The rapid feeding sheet metal stamping unwinding device according to claim 1, characterized in that: The rotating assembly comprises a driving motor (14) fixedly installed in the unwinding machine body (2) through a speed reducer box, and the output end of the driving motor (14) is fixedly connected with a speed reducer (15), one end of the speed reducer (15) is fixedly connected with the placing shaft (4).

3. The rapid feeding sheet metal stamping unwinding device according to claim 1, characterized in that: The supporting circular assembly comprises a threaded cylinder (16) threadedly connected to the outer wall of the rotating screw rod (9), the outer wall of the threaded cylinder (16) is fixedly connected with a driving disc (17), and the outer wall of the threaded cylinder (16) is rotatably connected with a moving ring (18).

4. The rapid feeding sheet metal stamping unwinding device according to claim 3, characterized in that: The outer wall of the moving ring (18) is fixedly connected with four moving seats (19), and the outside of the four moving seats (19) is hingedly connected with a moving plate (20).

5. The rapid feeding sheet metal stamping unwinding device according to claim 1, characterized in that: The driving assembly comprises a double-shaft motor (21) fixedly installed in the inner top surface of the moving base (10) through a driving box, both output ends of the double-shaft motor (21) are rotatably penetrated to the outside of the driving box and fixedly connected with bevel gears one (22), and the outer walls of the two bevel gears one (22) are meshingly connected with bevel gears two (28).

6. The rapid feeding sheet metal stamping unwinding device according to claim 5, characterized in that: Both the inside of the two bevel gears two (28) is fixedly connected with a transmission shaft (23), the outer wall of the transmission shaft (23) is fixedly sleeved with two worms (24), and the outer wall of the worm (24) is meshed with the worm wheel (12).

7. The rapid feeding sheet metal stamping unwinding device according to claim 1, characterized in that: The moving assembly comprises a hydraulic cylinder (25) fixedly installed at the top of the bottom plate (1), and the telescopic end of the hydraulic cylinder (25) is fixedly connected with a driving block (26).

8. The rapid feeding sheet metal stamping unwinding device according to claim 1, characterized in that: The top end of the four threaded rods (13) is penetrated to the outside of the moving base (10) and is commonly fixedly connected with a mounting seat (27).