Splitting machine circular knife structure capable of being quickly assembled and disassembled
By creating a T-slot on the cutter shaft and using a T-block and hoop structure, the problem of fixing the installation position of the slitting machine blades is solved, enabling convenient disassembly and flexible adjustment of the blades, adapting to various material cutting needs, and improving the practicality and working efficiency of the slitting machine.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANJING ZHENFENG MASCH&CUTTER CO LTD
- Filing Date
- 2025-06-13
- Publication Date
- 2026-04-10
AI Technical Summary
The blades of existing slitting machines are installed in a fixed way, which cannot be flexibly adjusted, resulting in fixed material sizes that cannot meet the flexible needs of enterprises.
A T-slot is made on the cutter shaft, and a sliding T-block is set in the slot. With the help of nuts and clamps, the cutter is fixed by bolts, so that the cutter can be flexibly installed and adjusted on the outside of the cutter shaft.
It enables convenient disassembly and assembly of the blades and flexible adjustment of their position, adapting to the cutting needs of materials of different sizes, and improving the practicality and working efficiency of the slitting machine.
Smart Images

Figure CN224103017U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to surface anti -cracking technical field, concretely is a kind of quick detachable slitting machine circular knife structure. BACKGROUND
[0002] Slitting machine is a kind of mechanical equipment to cut wide paper, mica tape or film into multiple narrow materials, commonly used in papermaking machinery, wire and cable mica tape and printing and packaging machinery, the current cutting knife installation mode of slitting machine is single fixed, and the whole installation support needs to be disassembled for loading and unloading, which is very troublesome.
[0003] For this, China application patent number: CN202420206267.5 discloses a kind of high adaptability slitting machine based on circular knife, flat knife mechanical switching, including knife shaft and the installation part, fixed part, locking part, magnetic attraction part and blade setting on knife shaft, installation part is set on knife shaft, installation part is fixed on knife shaft by locking part, blade has two, two blades are respectively set on installation part by two corresponding fixed parts, magnetic attraction part is set between installation part and knife shaft, the cooperation of installation part, fixed part, locking part and magnetic attraction part, then two blades can be quickly installed on knife shaft, and two blades can also form a whole knife on knife shaft, so as not to affect the use of blade, through the device, circular knife or flat knife is quickly installed on knife shaft, without disassembling knife shaft to replace cutting knife, not only improve the replacement efficiency of cutting knife, but also reduce the workload of staff.
[0004] The slitting machine can fix the position of the blade on the knife shaft by setting the locking bolt and the first threaded hole, but the first threaded holes are equidistantly distributed on the knife shaft and fixed in position, so in actual use, the blade can only be installed at the fixed position, and then the size of the blade is fixed when cutting materials, which cannot meet the flexible needs of existing enterprises.
[0005] Therefore, in order to solve the above problems, a kind of quick detachable slitting machine circular knife structure is provided. UTILITY MODEL CONTENTS
[0006] The utility model aims at providing a kind of quick detachable slitting machine circular knife structure, to solve the problem that the slitting machine in prior art mentioned in the above background art can fix the position of the blade on the knife shaft by setting the locking bolt and the first threaded hole, but the first threaded holes are equidistantly distributed on the knife shaft and fixed in position, so in actual use, the blade can only be installed at the fixed position, and then the size of the blade is fixed when cutting materials, which cannot meet the flexible needs of existing enterprises.
[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of quick detachable slitting machine circular knife structure, including: knife shaft;
[0008] The outer wall of the cutter shaft is provided with two groups of T-shaped grooves;
[0009] The outer side of the cutter shaft is provided with a mounting structure, the mounting structure comprises a T-shaped block, the T-shaped block is sleeved on the outer side of the cutter shaft, the surface of the T-shaped block is welded with a first screw rod, the outer side of the first screw rod is threadedly connected with a first nut, the surface of the T-shaped block is bonded with a rubber pad, the outer side of the first screw rod is sleeved with a hoop, one end of the hoop is welded with a second screw rod, the outer side of the second screw rod is threadedly connected with a second nut, the outer side of the cutter shaft is sleeved with a blade, the surface of the blade is inserted with a bolt, and the outer side of the bolt is threadedly connected with a third nut.
[0010] Preferably, the T-shaped block and the hoop are respectively provided with four groups, and the four groups of the T-shaped block and the hoop are paired.
[0011] Preferably, the first nut is located on the outer side of the hoop, and the rubber pad is tightly attached to the inner wall of the T-shaped groove.
[0012] Preferably, the two groups of second screw rods are respectively inserted into the two groups of hoops, and the second nut is located on the inner side of the hoop.
[0013] Preferably, the blade is provided with two groups, and the two groups of blades are spliced into a ring.
[0014] Preferably, the blade is located between the two pairs of hoops, and the bolt penetrates through the blade and the two pairs of hoops.
[0015] Compared with the prior art, the utility model discloses a T-shaped groove is set up on the cutter shaft, and a slidable T-shaped block is arranged in the T-shaped groove, and the first nut is cooperated, so that the installation position of the blade on the outer side of the cutter shaft can be flexibly adjusted according to actual demands, the size of material cutting can be flexibly adjusted, the utility is stronger, and the blade is convenient to disassemble and replace.
[0016] The utility model discloses a mounting structure is set up, and the T-shaped block is inserted into the inside of T-shaped groove, then the first screw rod is pulled, and the position of T-shaped block is adjusted in the inside of T-shaped groove, and the two groups of hoops are respectively clamped at the both sides of cutter shaft, so that the two groups of first screw rods on two groups of T-shaped blocks are respectively inserted in the outer side of two groups of hoops, and the two groups of second screw rods on two groups of hoops are mutually inserted, then the second nut is screwed on the outside of second screw rod, can two groups of hoops are stably connected, and the first nut is screwed on the first screw rod, can hoop is fixed on the outside of cutter shaft, then the above-mentioned operation is repeated, to assemble another pair of hoops, then two groups of blades are arranged between two pairs of hoops, and the bolt penetrates through the blade and two pairs of hoops, finally the third nut is screwed on the end of bolt, can the blade is fixed on the outside of cutter shaft, realizes the convenient assembly of blade, and the installation position of blade is flexible, can adapt to the use demand of different size products. Attached Figure Description
[0017] Figure 1 This is a front view schematic diagram of the structure of this utility model;
[0018] Figure 2 This is an exploded view of the structure of this utility model;
[0019] Figure 3 This is an exploded view of the blade structure of this utility model;
[0020] Figure 4 This is an exploded view of the hoop structure of this utility model.
[0021] In the diagram: 1. Cutter shaft; 11. T-slot; 2. Mounting structure; 21. T-block; 22. First screw; 23. First nut; 24. Rubber pad; 25. Hoop; 26. Second screw; 27. Second nut; 28. Blade; 29. Bolt; 210. Third nut. Detailed Implementation
[0022] 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.
[0023] Please see Figures 1-4 This utility model provides an embodiment of a slitting machine circular blade structure that can be quickly loaded and unloaded:
[0024] The cutter shaft 1 used in this application is a product that can be purchased directly from the market. Its principle and connection method are existing technologies well known to those skilled in the art, so they will not be described in detail here.
[0025] A slitting machine circular blade structure that can be quickly loaded and unloaded includes: a blade shaft 1;
[0026] Two sets of T-slots 11 are provided on the outer wall of the cutter shaft 1;
[0027] The outer side of the cutter shaft 1 is provided with a mounting structure 2, the mounting structure 2 comprises a T-shaped block 21, the T-shaped block 21 is sleeved on the outer side of the cutter shaft 1, the surface of the T-shaped block 21 is welded with a first screw rod 22, the outer side of the first screw rod 22 is threadedly connected with a first nut 23, the surface of the T-shaped block 21 is bonded with a rubber pad 24, the outer side of the first screw rod 22 is sleeved with a hoop 25, one end of the hoop 25 is welded with a second screw rod 26, the outer side of the second screw rod 26 is threadedly connected with a second nut 27, the outer side of the cutter shaft 1 is sleeved with a cutter blade 28, the surface of the cutter blade 28 is inserted with a bolt 29, the outer side of the bolt 29 is threadedly connected with a third nut 210, by setting the T-shaped groove 11 on the cutter shaft 1 and the slidable T-shaped block 21 in the T-shaped groove 11, cooperating with the first nut 23, the installation position of the cutter blade 28 on the outer side of the cutter shaft 1 can be flexibly adjusted according to actual needs, so as to flexibly adjust the size of the material cutting, the practicality is stronger, and the cutter blade 28 is convenient to disassemble and replace.
[0028] Further, the T-shaped block 21 and the hoop 25 are provided with four groups respectively, the four groups of T-shaped blocks 21 and hoops 25 are paired two by two, and the two pairs of hoops 25 can limit and fix the cutter blade 28 on both sides.
[0029] Further, the first nut 23 is located on the outer side of the hoop 25, the rubber pad 24 is close to the inner wall of the T-shaped groove 11, and the setting of the rubber pad 24 can increase the friction force of the T-shaped block 21 moving on the inner side of the T-shaped groove 11, so as to avoid the T-shaped block 21 from being displaced at will.
[0030] Further, the two groups of second screw rods 26 are inserted on the two groups of hoops 25 respectively, the second nut 27 is located on the inner side of the hoop 25, and the two groups of hoops 25 can be connected and fixed through the second screw rod 26 and the second nut 27.
[0031] Further, the cutter blade 28 is provided with two groups, the two groups of cutter blades 28 are spliced into a ring, and the two groups of cutter blades 28 can continuously cut the material.
[0032] Further, the cutter blade 28 is located between the two pairs of hoops 25, the bolt 29 penetrates through the cutter blade 28 and the two pairs of hoops 25, and the cutter blade 28 can be fixed between the two pairs of hoops 25 through the bolt 29 and the third nut 210.
[0033] Working principle: when installing, firstly, the T-shaped block 21 is inserted into the T-shaped groove 11, then the first screw rod 22 is pulled, the position of the T-shaped block 21 in the T-shaped groove 11 is adjusted, the two groups of hoop rings 25 are clamped on the two sides of the cutter shaft 1, the two groups of first screw rods 22 on the two groups of T-shaped blocks 21 are respectively inserted outside the two groups of hoop rings 25, the two groups of second screw rods 26 on the two groups of hoop rings 25 are mutually inserted, then the second nut 27 is screwed on the outside of the second screw rod 26, the two groups of hoop rings 25 are stably connected, the first nut 23 is screwed on the first screw rod 22, the hoop ring 25 is fixed on the outside of the cutter shaft 1, then the above operation is repeated to assemble another pair of hoop rings 25, then the two groups of blades 28 are arranged between the two pairs of hoop rings 25, the bolt 29 is penetrated through the blade 28 and the two pairs of hoop rings 25, finally, the third nut 210 is screwed on the end of the bolt 29, the blade 28 is fixed on the outside of the cutter shaft 1, the convenient assembly of the blade 28 is realized, and the installation position of the blade 28 is flexible, the use requirement of different sizes of products can be adapted.
[0034] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can implement the present application according to the above description and the drawings; however, any equivalent changes, modifications and evolution of the above disclosed technical content without departing from the technical scheme of the present application are equivalent embodiments of the present application; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present application are still within the protection scope of the technical scheme of the present application.
Claims
1. A quick detachable slitter round knife structure comprising: The utility model discloses a knife shaft (1) and a mounting structure (2) for the knife shaft (1). Its characterized in that: The outer wall of the knife shaft (1) is provided with two groups of T-shaped grooves (11); The outer side of the knife shaft (1) is provided with the mounting structure (2), the mounting structure (2) includes the T-shaped block (21), the T-shaped block (21) is sleeved on the outer side of the knife shaft (1), the surface of the T-shaped block (21) is welded with the first screw rod (22), the outer side of the first screw rod (22) is screwed with the first nut (23), the surface of the T-shaped block (21) is bonded with the rubber pad (24), the outer side of the first screw rod (22) is sleeved with the hoop (25), one end of the hoop (25) is welded with the second screw rod (26), the outer side of the second screw rod (26) is screwed with the second nut (27), the outer side of the knife shaft (1) is sleeved with the blade (28), the surface of the blade (28) is inserted with the bolt (29), and the outer side of the bolt (29) is screwed with the third nut (210).
2. The quick attachable and detachable slitter circular knife structure according to claim 1, characterized in that: The T-shaped block (21) and the hoop (25) are provided with four groups respectively, and two of the four groups of T-shaped blocks (21) and hoops (25) form a pair.
3. The quick attachable and detachable slitter circular knife structure according to claim 1, characterized in that: The first nut (23) is located on the outer side of the hoop (25), and the rubber pad (24) is tightly attached to the inner wall of the T-shaped groove (11).
4. The quick attachable and detachable slitter circular knife structure according to claim 1, characterized in that: Two groups of second screw rods (26) are inserted into two groups of hoops (25) respectively, and the second nut (27) is located on the inner side of the hoop (25).
5. The quick attachable and detachable slitter circular knife structure according to claim 1, characterized in that: The blade (28) is provided with two groups, and the two groups of blades (28) are spliced into a ring shape.
6. The quick attachable and detachable slitter circular knife structure of claim 1, wherein: The blade (28) is located between the two pairs of hoops (25), and the bolt (29) penetrates the blade (28) and the two pairs of hoops (25).
Citation Information
Patent Citations
High-adaptability splitting machine based on mechanical switching of circular knife and flat knife
CN220699856U