Precise cutter shaft device for stainless steel slitting equipment

By designing a precision cutter shaft device for stainless steel slitting equipment, the stability problem caused by wear between the blade and the cutter shaft was solved, enabling rapid installation and removal of the blade, and improving processing stability and maintenance convenience.

CN224168850UActive Publication Date: 2026-04-28SHANDONG CENTURY ZHENGHUA METAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG CENTURY ZHENGHUA METAL TECH CO LTD
Filing Date
2025-05-28
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

After a period of use, the blades and the cutter shaft of a slitting machine will develop gaps due to wear, affecting the processing stability of the blades.

Method used

Design a precision cutter shaft device for stainless steel slitting equipment, including a central shaft, mounting cylinder, piezoelectric ceramic, fixing bar, adjusting bar, positioning block and clamping unit. These components enable quick installation and removal of the piezoelectric ceramic, facilitating replacement and maintenance. The blade position can be adjusted by adjusting the positioning part and the connecting part to improve stability.

Benefits of technology

It reduces the gaps caused by blade wear, improves machining stability, and facilitates the replacement and maintenance of piezoelectric ceramics.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of slitting machine cutter shafts, in particular to a precise cutter shaft device for stainless steel slitting equipment, which comprises a central shaft, a mounting cylinder and a plurality of piezoelectric ceramics, a protective layer A is connected to the outer sides of the piezoelectric ceramics, a fixing strip and an adjusting strip are arranged on the outer side of the protective layer A, and positioning blocks are connected to the left side of the fixing strip and the right side of the adjusting strip; four mounting grooves are formed in the outer side of the mounting cylinder, the mounting shells slide on the inner sides of the mounting grooves, positioning grooves A are formed in the two sides of each mounting shell, two positioning strips A and two limiting strips are connected to the inner sides of the mounting grooves, and the positioning strips A can slide on the inner sides of the positioning grooves A; a plurality of adjusting positioning parts; a plurality of connecting parts; and a plurality of clamping units. By arranging piezoelectric ceramics, a protective layer A, a fixing strip, an adjusting strip, a positioning block and a clamping unit, the inner ring of the blade can be clamped and positioned through adjustment, gaps generated after the blade is abraded are reduced, and the machining stability of the device is improved.
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Description

Technical Field

[0001] This utility model relates to the field of slitting machine cutter shaft technology, and in particular to a precision cutter shaft device for stainless steel slitting equipment. Background Technology

[0002] A slitting machine, also known as a slitting line, longitudinal cutter, or stripping machine, is a type of metal slitting equipment. It is suitable for longitudinally shearing metal strips and rewinding the slits into coils. It features easy operation, high cutting quality, high material utilization, and stepless speed regulation.

[0003] The cutter shaft, as one of the core components of the cutting tool, is a key structure that connects the main body of the cutting tool to the cutting part. When using a slitting machine, the blades are mounted on the cutter shaft.

[0004] After a period of use, wear can cause gaps to form between the blade and the cutter shaft in a slitting machine, affecting the stability of the blade during processing. To address this issue, we propose a precision cutter shaft device for stainless steel slitting equipment. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing slitting machines where gaps develop between the blade and the cutter shaft due to wear after a period of use, thus affecting the stability of the blade during processing. Therefore, this invention proposes a precision cutter shaft device for stainless steel slitting equipment.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] Design a precision cutter shaft device for a stainless steel slitting machine, including a central shaft and a mounting cylinder, wherein the central shaft is connected to the inside of the mounting cylinder, and further comprising:

[0008] Several piezoelectric ceramics are connected to a protective layer A on the outside of the piezoelectric ceramics. A fixing strip and an adjusting strip are provided on the outside of the protective layer A. A positioning block is connected to the left side of the fixing strip and the right side of the adjusting strip. The piezoelectric ceramics are connected to a power supply and a controller through wires.

[0009] Several mounting shells are provided. The outer side of the mounting cylinder is provided with four mounting grooves. The mounting shell slides inside the mounting grooves. Both sides of the mounting shell are provided with A positioning grooves. Two A positioning strips and two limit strips are connected to the inner side of the mounting grooves. The A positioning strips can slide inside the A positioning grooves.

[0010] Several adjustment and positioning parts are provided. The adjustment unit is located between the mounting shell and the two limit strips. The adjustment and positioning parts can adjust the position of the mounting shell inside the A positioning groove and position it.

[0011] Several connecting parts are located between the piezoelectric ceramic and the mounting housing, allowing the piezoelectric ceramic to be quickly installed and removed;

[0012] Several clamping units are located between the adjusting bar and the piezoelectric ceramic. The clamping units can adjust the position of the adjusting bar and work with the fixing bar to position the blade.

[0013] Preferably, the connecting part includes a connecting block, which is detachably connected to the inner side of the mounting shell by bolts. An A support block is connected to the outer side of the connecting block, and the piezoelectric ceramic is detachably connected to the A support block. A dovetail groove is provided on one side of the connecting block, and B positioning grooves are provided on opposite sides of the connecting block. An A positioning plate slides inside the dovetail groove, and a B positioning strip slides inside the B positioning groove. The A positioning plate and the B positioning strip are fixedly connected to the inner side of the mounting shell.

[0014] By adopting the above structure, the connection part allows the piezoelectric ceramic to be quickly disassembled and installed, facilitating subsequent replacement and maintenance of the piezoelectric ceramic.

[0015] Preferably, the clamping unit includes several positioning bolts and a B support block. The B support block has several sliding grooves on the side facing the piezoelectric ceramic, the A support block has several sliding holes on one side, and the connecting block has several sliding blind holes on one side. The sliding grooves, sliding holes, and sliding blind holes are interconnected. A limiting plate slides inside the sliding groove and can slide inside the sliding hole and sliding blind hole. A threaded hole is provided on one side of the limiting plate. The positioning bolts are connected to the threaded hole through thread engagement. Two C positioning grooves are provided between the sliding groove, sliding hole, and sliding blind hole. C positioning strips are connected to both sides of the limiting plate and can slide inside the C positioning grooves. The B support block has locking blocks on both sides and is connected to the adjusting strip. A D positioning groove is provided on one side of the locking block and a D positioning strip slides inside the D positioning groove. The D positioning strip is connected to the A protective layer.

[0016] By adopting the above structure, the clamping unit can position and clamp blades of different thicknesses by adjusting the position of the adjusting bar, in conjunction with the fixing bar and the positioning block.

[0017] Preferably, the adjusting positioning part includes two L-shaped positioning plates, and two placement grooves are provided on one side of the mounting shell. The L-shaped positioning plates can slide inside the placement grooves. The L-shaped positioning plates are detachably connected to the mounting shell by bolts, and the L-shaped positioning plates are connected to the limiting strip by tooth engagement.

[0018] By adopting the above structure, the positioning adjustment unit can adjust the position of the mounting shell, thereby coordinating with the clamping unit and the connecting unit to adjust the position along with the blade.

[0019] Preferably, the inner side of the placement slot is provided with two guide slots, and a guide block slides inside the guide slot. The guide block is connected to the L-shaped positioning plate.

[0020] By adopting the above structure, the guide block makes the installation of the L-shaped positioning plate more convenient.

[0021] Preferably, the outer side of the mounting cylinder is connected with four B protective layers.

[0022] By adopting the above structure, the B protective layer can protect the mounting cylinder and reduce the wear caused by the blade on the outside of the mounting cylinder after installation.

[0023] The present invention provides a precision cutter shaft device for stainless steel slitting equipment, which has the following advantages:

[0024] 1. By setting up piezoelectric ceramics, A protective layer, fixing strip, adjusting strip, positioning block, and clamping unit, the inner ring of the blade can be clamped and positioned by adjustment, reducing the gap caused by blade wear and improving the processing stability of the device.

[0025] 2. By setting up the mounting cylinder and connecting parts, the piezoelectric ceramics can be quickly installed and disassembled, which facilitates the replacement and maintenance of the piezoelectric ceramics in the future. Attached Figure Description

[0026] Figure 1 This is a three-dimensional structural diagram of the front side of a precision cutter shaft device for a stainless steel slitting equipment proposed in this utility model;

[0027] Figure 2 The present utility model proposes Figure 1 A magnified three-dimensional structural diagram of a portion of area A in the middle;

[0028] Figure 3 The present utility model proposes Figure 2 A magnified three-dimensional structural diagram of a portion of area B in the middle section;

[0029] Figure 4 The present utility model proposes Figure 2 A magnified three-dimensional structural diagram of a portion of the central C area;

[0030] Figure 5 The present utility model proposes Figure 2 A magnified three-dimensional structural diagram of a portion of the central D region;

[0031] Figure 6 This is a schematic diagram of the rear section of a precision cutter shaft device for a stainless steel slitting equipment according to the present invention.

[0032] Figure 7 The present utility model proposes Figure 6 A magnified three-dimensional structural diagram of a portion of region E in the middle.

[0033] In the diagram: 1. Central shaft; 2. Mounting cylinder; 3. Piezoelectric ceramic; 4. Mounting shell; 5. Adjustment and positioning part; 51. L-shaped positioning plate; 52. Guide block; 6. Connecting part; 61. Connecting block; 62. A support block; 63. A positioning plate; 64. B positioning strip; 7. Clamping unit; 71. Positioning bolt; 72. B support block; 73. Limiting plate; 74. C positioning strip; 75. Locking block; 76. D positioning strip; 8. A protective layer; 9. Fixing strip; 10. Adjusting strip; 11. Positioning block; 12. A positioning strip; 13. Limiting strip; 14. B protective layer. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0035] Reference Figures 1-7 A precision cutter shaft device for a stainless steel slitting equipment includes a central shaft 1 and a mounting cylinder 2. The central shaft 1 is connected to the inner side of the mounting cylinder 2, and four B protective layers 14 are connected to the outer side of the mounting cylinder 2. The B protective layers 14 can protect the mounting cylinder 2 and reduce the wear caused by the blade to the outer side of the mounting cylinder 2 after installation. It also includes: several piezoelectric ceramics 3, several mounting shells 4, several adjustment and positioning parts 5, several connecting parts 6, and several clamping units 7.

[0036] The connecting part 6 is located between the piezoelectric ceramic 3 and the mounting shell 4. The connecting part 6 allows for quick installation and removal of the piezoelectric ceramic 3. The connecting part 6 includes a connecting block 61, which is detachably connected to the inside of the mounting shell 4 via bolts. An A support block 62 is connected to the outside of the connecting block 61, and the piezoelectric ceramic 3 is detachably connected to the A support block 62. A dovetail groove is provided on one side of the connecting block 61, and B positioning grooves are provided on opposite sides of the connecting block 61. An A positioning plate 63 slides inside the dovetail groove, and a B positioning strip 64 slides inside the B positioning groove. Positioning strip 64 is fixedly connected to the inside of the mounting shell 4. The connecting block 61 is limited within the mounting shell 4 by positioning plate A 63 and positioning strip 64, allowing the connecting block 61 to slide only within the mounting shell 4. Then, the connecting block 61 is positioned by bolts, preventing it from sliding within the mounting shell 4, thus installing the connecting block 61 within the mounting shell 4. The connecting block 61 is positioned by support block A 62, facilitating the installation and disassembly of the piezoelectric ceramic 3 and making it easier to replace and maintain the piezoelectric ceramic 3 in the future.

[0037] The outer side of the mounting cylinder 2 is provided with four mounting grooves. The mounting shell 4 slides inside the mounting grooves. Both sides of the mounting shell 4 are provided with A positioning grooves. Two A positioning strips 12 and two limit strips 13 are connected to the inner side of the mounting grooves. The A positioning strips 12 can slide inside the A positioning grooves. The A positioning strips 12 play a positioning role for the mounting shell 4, so that the mounting shell 4 can only slide inside the mounting grooves.

[0038] The adjustment unit is located between the mounting shell 4 and the two limit bars 13. The adjustment and positioning part 5 can adjust the position of the mounting shell 4 inside the positioning groove A and position it.

[0039] The adjusting positioning part 5 includes two L-shaped positioning plates 51. Two placement slots are provided on one side of the mounting shell 4. The L-shaped positioning plates 51 can slide inside the placement slots. Two guide slots are provided inside the placement slots. Guide blocks 52 slide inside the guide slots. The guide blocks 52 are connected to the L-shaped positioning plates 51. The guide blocks 52 play a positioning role in the installation of the L-shaped positioning plates 51, making the installation of the L-shaped positioning plates 51 more convenient. The L-shaped positioning plates 51 and the mounting shell 4 are detachably connected by bolts. The L-shaped positioning plates 51 and the limiting strip 13 are connected by teeth. The position of the mounting shell 4 is adjusted according to the teeth to ensure the accuracy of the adjustment. The mounting shell 4 is adjusted to a suitable position so that the L-shaped positioning plates 51 are installed in the placement slots and engage with the limiting strip 13 through teeth. The teeth are vertical, preventing the mounting shell 4 from sliding further in the mounting slots, thus achieving the positioning and installation of the mounting shell 4.

[0040] A protective layer A 8 is connected to the outside of the piezoelectric ceramic 3. The protective layer A 8 can protect the piezoelectric ceramic 3, reduce damage to the piezoelectric ceramic 3, and improve the service life of the piezoelectric ceramic 3. The protective layer A 8 and the protective layer B 14 are alumina ceramic coatings with a thickness of 100-150μm, a Vickers hardness ≥1500HV, and a temperature range of -20℃ to 300℃. A fixing strip 9 and an adjusting strip 10 are provided on the outside of the protective layer A 8. A positioning block 11 is connected to the left side of the fixing strip 9 and the right side of the adjusting strip 10. The positioning block 11 engages with the inner ring of the blade, which improves the stability of the blade installation. The piezoelectric ceramic 3 is connected to the power supply and controller through wires.

[0041] The adjustment capability of piezoelectric ceramics 3 is based on their unique piezoelectric effect, which can be specifically divided into the direct piezoelectric effect (mechanical energy → electrical energy) and the inverse piezoelectric effect (electric energy → mechanical energy). In precision adjustment applications, the inverse piezoelectric effect is mainly used to achieve micro- and nano-level displacement control. Therefore, by combining precision mechanical design with intelligent control algorithms, it has become a core driving technology in fields such as micro- and nano-manufacturing and optical engineering.

[0042] The clamping unit 7 is located between the adjusting bar 10 and the piezoelectric ceramic 3. The clamping unit 7 can adjust the position of the adjusting bar 10 and work with the fixing bar 9 to position the blade.

[0043] The clamping unit 7 includes several positioning bolts 71 and a B support block 72. The B support block 72 has several sliding grooves on the side facing the piezoelectric ceramic 3. The A support block 62 has several sliding holes on one side, and the connecting block 61 has several sliding blind holes on one side. The sliding grooves, sliding holes, and sliding blind holes are interconnected. A limiting plate 73 slides inside the sliding grooves and can slide inside the sliding holes and sliding blind holes. A threaded hole is provided on one side of the limiting plate 73, and the positioning bolts 71 are connected to the threaded hole via thread engagement. Two C positioning grooves are provided between each of the sliding grooves, sliding holes, and sliding blind holes. C positioning strips 74 are connected to both sides of the limiting plate 73 and can slide inside the C positioning grooves. Locking blocks 75 are provided on both sides of the B support block 72, and the locking blocks 75 are connected to the adjusting strip 10. A D positioning groove is provided on one side of the locking block 75, and a D positioning strip 76 slides inside the D positioning groove. The blade is first installed in contact with the fixing strip 9, and then the adjusting strip 10 is installed from the other side onto the fixing strip 9. At this time, the adjusting strip 10 is limited by the locking block 75 and the positioning strip 76, and can only slide. The positioning strip 76 and the A protective layer 8 move together without affecting the adjusting strip 10. The limiting plate 73 has two auxiliary blocks to prevent the limiting plate 73 from falling completely to the bottom and to make it easy to lift the limiting plate 73. Then, the positioning bolt 71 is tightened into the threaded hole to hold the adjusting strip 10 in place. With the B support block 72, the adjusting strip 10 and the fixing strip 9 clamp and position blades of different sizes. The end of the screw of the positioning bolt 71 is provided with a polytetrafluoroethylene wear-resistant washer (not shown). The washer is 0.5mm thick and the surface roughness Ra of the contact surface with the adjusting strip 10 is ≤0.8μm to prevent damage to the surface of the adjusting strip when the thread is pre-tightened.

[0044] Operating principle:

[0045] The positions of the piezoelectric ceramic 3 and the mounting shell 4 are adjusted by adjusting the positioning part 5 and the connecting part 6. The blade is clamped and positioned using the clamping unit 7. After a period of use, when the inner ring of the blade is worn, the positions of the fixing strip 9, adjusting strip 10, positioning block 11 and A protective layer 8 are adjusted by the piezoelectric ceramic 3 to better clamp and position the inside of the blade, making the blade more convenient to use. At the same time, the number of corresponding piezoelectric ceramics 3 can be increased according to adjustment needs.

[0046] In the description of this patent, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly, for example, they can be fixed connections, detachable connections, or integral connections; they can be mechanical connections or electrical connections; they can be direct connections or indirect connections through an intermediate medium; they can be internal connections between two components. For those skilled in the art, the specific meaning of the above terms in this patent can be understood according to the specific circumstances. The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A precision cutter shaft device for a stainless steel slitting machine, comprising a central shaft (1) and a mounting cylinder (2), wherein the central shaft (1) is connected to the inner side of the mounting cylinder (2), characterized in that, Also includes: Several piezoelectric ceramics (3) are connected to an A protective layer (8) on the outside of the piezoelectric ceramics (3). A fixing strip (9) and an adjusting strip (10) are provided on the outside of the A protective layer (8). A positioning block (11) is connected to the left side of the fixing strip (9) and the right side of the adjusting strip (10). The piezoelectric ceramics (3) are connected to the power supply and the controller through wires. Several mounting shells (4), four mounting grooves are provided on the outside of the mounting cylinder (2), the mounting shell (4) slides in the inner side of the mounting groove, and A positioning grooves are provided on both sides of the mounting shell (4). Two A positioning strips (12) and two limiting strips (13) are connected to the inner side of the mounting groove. The A positioning strips (12) can slide in the inner side of the A positioning groove. Several adjustment and positioning parts (5) are provided. The adjustment unit is located between the mounting shell (4) and the two limit bars (13). The adjustment and positioning parts (5) can adjust the position of the mounting shell (4) inside the A positioning groove and position it. Several connecting parts (6) are located between the piezoelectric ceramic (3) and the mounting shell (4), and the connecting parts (6) allow the piezoelectric ceramic (3) to be quickly installed and removed; Several clamping units (7) are located between the adjusting bar (10) and the piezoelectric ceramic (3). The clamping units (7) can adjust the position of the adjusting bar (10) and cooperate with the fixing bar (9) to position the blade.

2. The precision cutter shaft device for a stainless steel slitting machine according to claim 1, characterized in that, The connecting part (6) includes a connecting block (61), which is detachably connected to the inner side of the mounting shell (4) by bolts. An A support block (62) is connected to the outer side of the connecting block (61). The piezoelectric ceramic (3) is detachably connected to the A support block (62). A dovetail groove is provided on one side of the connecting block (61), and B positioning grooves are provided on opposite sides of the connecting block (61). An A positioning plate (63) slides inside the dovetail groove, and a B positioning strip (64) slides inside the B positioning groove. The A positioning plate (63) and the B positioning strip (64) are fixedly connected to the inner side of the mounting shell (4).

3. A precision cutter shaft device for a stainless steel slitting machine according to claim 2, characterized in that, The clamping unit (7) includes several positioning bolts (71) and a B support block (72). The B support block (72) has several sliding grooves on the side facing the piezoelectric ceramic (3), several sliding holes on the side of the A support block (62), and several sliding blind holes on the side of the connecting block (61). The sliding grooves, sliding holes, and sliding blind holes are connected to each other. A limiting plate (73) slides inside the sliding groove and can slide inside the sliding hole and the sliding blind hole. A threaded hole is provided on one side of the limiting plate (73), and the positioning bolts (71) pass through it. The threaded drive is connected to the inner side of the threaded hole. Two C positioning grooves are provided between the sliding groove, the sliding hole and the sliding blind hole. C positioning strips (74) are connected to both sides of the limiting plate (73). The C positioning strips (74) can slide inside the C positioning grooves. The B support block (72) is provided with locking blocks (75) on both sides. The locking blocks (75) are connected to the adjusting strip (10). A D positioning groove is provided on one side of the locking block (75). A D positioning strip (76) slides inside the D positioning groove. The D positioning strip (76) is connected to the A protective layer (8).

4. A precision cutter shaft device for a stainless steel slitting machine according to claim 1, characterized in that, The adjustment and positioning part (5) includes two L-shaped positioning plates (51). Two placement slots are provided on one side of the mounting shell (4). The L-shaped positioning plates (51) can slide inside the placement slots. The L-shaped positioning plates (51) and the mounting shell (4) are detachably connected by bolts. The L-shaped positioning plates (51) and the limiting strip (13) are connected by tooth meshing.

5. A precision cutter shaft device for a stainless steel slitting machine according to claim 4, characterized in that, The inner side of the placement slot is provided with two guide slots, and a guide block (52) slides inside the guide slot. The guide block (52) is connected to the L-shaped positioning plate (51).

6. A precision cutter shaft device for a stainless steel slitting machine according to claim 1, characterized in that, The outer side of the mounting cylinder (2) is connected to four B protective layers (14).