A cutter for processing plastic steel

By introducing pre-reserved grooves, slides, and adjusting blocks into the plastic steel machining tools, combined with the use of screws and limiting collars, the problem of inconvenient replacement after tool head wear or breakage is solved, enabling quick disassembly and stable installation of the tool head and reducing tool shank waste.

CN224310778UActive Publication Date: 2026-06-02JIANGSU HUAIHAI PROFILE TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU HUAIHAI PROFILE TECH CO LTD
Filing Date
2025-06-20
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

When plastic steel processing tools need to be replaced after the cutting head wears down or breaks during use, the tool holder is wasted and the replacement is inconvenient.

Method used

A tool holder structure with a pre-reserved groove, a sliding groove, and an adjusting block was designed. Through the connection of the screw and nut, combined with the design of the limiting collar and the rubber block, the tool head can be stably installed and disassembled, avoiding the need for complete replacement.

Benefits of technology

It enables quick disassembly and installation of the cutter head, improves the stability of the cutter head, avoids waste of the cutter shank, and simplifies the replacement process.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224310778U_ABST
    Figure CN224310778U_ABST
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Abstract

The utility model discloses a knife for plastic steel processing relates to plastic steel processing technical field, including the knife bar and the tool bit, the one end of knife bar is provided with the tool bit, the inside of knife bar is provided with the reserved slot, the shape of reserved slot is provided with the cylinder, the one end of inside of knife bar is provided with the sliding slot close to the reserved slot. Through the damaged tool bit is twisted, so that the tool bit can rotate the screw rod connected to the bottom, so that the screw rod can drive the tool bit and the limit sleeve ring to move, and then the return ring can restore the deformed limit sleeve ring, then pull the tool bit, so that the tool bit can be quickly taken out, and thus avoid the whole disassembly when replacing the tool, and through the setting of the deformed limit sleeve ring and the screw rod, the stability of the new tool bit after installation, so that the tool for plastic steel processing can avoid the whole replacement when using, and also has good locking effect after installing the new tool bit.
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Description

Technical Field

[0001] This utility model relates to the field of plastic steel processing technology, specifically a cutting tool for plastic steel processing. Background Technology

[0002] Plastic steel is a building material made from polyvinyl chloride resin as the main raw material, with the addition of appropriate amounts of stabilizers, modifiers, fillers and other additives. It is extruded into profiles and then processed through cutting, welding and assembly. Plastic steel processing tools are mainly used for cutting, milling, drilling and grooving of profiles. Their function is to process plastic steel into the size, shape and structure that meet the design requirements through precise mechanical cutting, so as to ensure the accuracy of subsequent welding and assembly.

[0003] Most plastic steel processing tools suffer from wear and breakage of the cutting tip due to prolonged use, necessitating replacement of the entire tool. However, the tool shank is usually undamaged, resulting in waste after replacement and making tool replacement inconvenient. Utility Model Content

[0004] The purpose of this utility model is to provide a cutting tool for processing plastic steel, so as to solve the problem of inconvenience in changing cutting tools for processing plastic steel mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cutting tool for processing plastic steel, comprising a tool holder and a cutting head, wherein a cutting head is provided at one end of the tool holder, and a reserved groove is provided inside the tool holder, the reserved groove being cylindrical in shape, and a sliding groove is provided inside the tool holder near the reserved groove, wherein an adjusting block is provided inside the sliding groove, the adjusting block being T-shaped.

[0006] Preferably, a guide block is provided at one end of the adjustment block, and the guide blocks are symmetrically distributed at the bottom end of the adjustment block.

[0007] Preferably, a guide groove is provided inside the tool holder on the side near the guide block, and the guide grooves are symmetrically distributed inside the tool holder.

[0008] Preferably, the bottom end of the cutter head is provided with a screw, and the end of the screw away from the cutter head is provided with a limiting collar.

[0009] Preferably, a return ring is provided at the end of the reserved groove away from the adjusting block, and a threaded rod passes through the interior of the tool holder and the adjusting block, with a nut threadedly connected to one end of the threaded rod.

[0010] Preferably, a limiting sleeve body is provided on the side of the tool holder near the nut, and positioning blocks are provided on both sides of the limiting sleeve body, and rubber clips are provided at both ends of the positioning blocks.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This tool for processing plastic steel involves disassembling a broken cutter head and installing a new one. The screw connects the cutter head to the shank, ensuring stability after installation. Furthermore, the limiting collar deforms laterally due to the pressure of the adjusting block during movement, engaging with the pre-drilled groove. This enhances the stability of the cutter head after installation, eliminating the need for complete replacement and providing a good locking effect after installing a new cutter head. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a three-dimensional explosion diagram of the present invention;

[0015] Figure 3 This is a three-dimensional cross-sectional view of the tool holder of this utility model;

[0016] Figure 4 This is a three-dimensional structural diagram of the undeformed limiting collar of this utility model.

[0017] Figure 5 This is a three-dimensional structural diagram of the limiting collar after deformation of this utility model;

[0018] Figure 6 This is a three-dimensional structural diagram of the limiting sleeve of this utility model.

[0019] In the diagram: 1. Tool holder; 2. Tool head; 3. Reserved groove; 4. Slide groove; 5. Adjusting block; 6. Guide block; 7. Guide groove; 8. Screw; 9. Limiting collar; 10. Returning ring; 11. Threaded rod; 12. Nut; 13. Limiting sleeve body; 14. Positioning block; 15. Rubber retaining block. Detailed Implementation

[0020] 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.

[0021] Please see Figures 1-6This utility model provides a technical solution: a cutting tool for processing plastic steel, including a tool holder 1 and a cutting head 2. The cutting head 2 is provided at one end of the tool holder 1. A reserved groove 3 is provided inside the tool holder 1. The reserved groove 3 is cylindrical in shape. A sliding groove 4 is provided inside the tool holder 1 near the reserved groove 3. An adjusting block 5 is provided inside the sliding groove 4. The adjusting block 5 is T-shaped.

[0022] This type of cutting tool for processing plastic steel allows the adjusting block 5 to slide inside the sliding groove 4 through the setting of the sliding groove 4.

[0023] exist Figure 3 In the middle, a guide block 6 is provided at one end of the adjusting block 5, and the guide blocks 6 are symmetrically distributed at the bottom end of the adjusting block 5. A guide groove 7 is provided on the side of the cutter bar 1 near the guide block 6. The guide groove 7 is symmetrically distributed inside the cutter bar 1. A screw 8 is provided at the bottom end of the cutter head 2. A limit collar 9 is provided at the end of the screw 8 away from the cutter head 2.

[0024] This type of cutting tool for processing plastic steel improves the stability after installation by setting a limiting collar 9.

[0025] exist Figure 2 and Figure 6 In the middle, a return ring 10 is provided at the end of the reserved groove 3 away from the adjustment block 5. A threaded rod 11 passes through the inside of the tool bar 1 and the adjustment block 5. A nut 12 is threadedly connected to one end of the threaded rod 11. A limit sleeve body 13 is provided on the side of the tool bar 1 near the nut 12. A positioning block 14 is provided on both sides of the limit sleeve body 13. A rubber clip 15 is provided at both ends of the positioning block 14.

[0026] This type of cutting tool for processing plastic steel, through the setting of the rubber clamp 15, makes the limiting sleeve body 13 relatively stable after installation.

[0027] When the cutting tools used for plastic steel processing wear out or break after prolonged use and need to be replaced, the limiting sleeve body 13 can be pulled outwards. This allows the limiting sleeve body 13 to press against the rubber clip 15 on the surface of the positioning block 14 during movement, thus allowing the limiting sleeve body 13 to be removed from inside the tool holder 1, thereby removing the restriction on the nut 12. The nut 12 can then be separated from the threaded rod 11, and the threaded rod 11 can be removed from inside the tool holder 1 and the adjusting block 5, allowing the adjusting block 5 to fall out and be stored inside the slide groove 4. The damaged cutting head 2 can then be twisted, causing it to rotate the screw 8 connected to its bottom end. This allows the screw 8 to move the cutting head 2 and the limiting sleeve 9. Because the limiting sleeve 9 is squeezed by the adjusting block 5 during installation... The deformation caused by pressing to both sides allows the cutter head 2 to re-close via the return ring 10 during removal, preventing it from being stuck inside the pre-reserved groove 3. Then, pulling the cutter head 2 to one side allows the screw 8 and the limiting collar 9 to be removed from one end of the cutter bar 1. This allows the cutter head 2 to be replaced when the plastic steel processing tool wears or breaks, avoiding the need to replace the entire tool. Conversely, after installing a new cutter head 2, the threaded connection between the screw 8 and the cutter bar 1 ensures stability after installation. Furthermore, the limiting collar 9 deforms to both sides during movement due to the pressure of the adjusting block 5, engaging with the pre-reserved groove 3, increasing the stability of the cutter head 2 after installation. This prevents the need to replace the entire plastic steel processing tool and provides a good locking effect after installing a new cutter head 2.

[0028] In summary, PVC-U is a building material made from polyvinyl chloride resin as the main raw material, with the addition of appropriate amounts of stabilizers, modifiers, fillers and other additives, through extrusion molding, and then through processes such as cutting, welding and assembly. By twisting the damaged cutter head 2, the cutter head 2 can rotate the screw 8 connected to the bottom end, so that the screw 8 can drive the cutter head 2 and the limiting collar 9 to move. Then, the deformed limiting collar 9 can be restored by the return ring 10. Then, the cutter head 2 can be pulled to quickly remove the cutter head 2, thus avoiding the need for complete disassembly when replacing the cutter. Furthermore, the setting of the deformed limiting collar 9 and the screw 8 ensures the stability of the new cutter head 2 after installation. The contents not described in detail in this description are prior art known to those skilled in the art.

[0029] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A cutting tool for processing plastic steel, comprising a tool holder (1) and a tool head (2), characterized in that: One end of the cutter bar (1) is provided with a cutter head (2), and a reserved groove (3) is provided inside the cutter bar (1). The reserved groove (3) is cylindrical in shape. A sliding groove (4) is provided inside the cutter bar (1) near the reserved groove (3). An adjustment block (5) is provided inside the sliding groove (4). The adjustment block (5) is T-shaped.

2. The cutting tool for processing plastic steel according to claim 1, characterized in that: One end of the adjustment block (5) is provided with a guide block (6), and the guide blocks (6) are symmetrically distributed at the bottom end of the adjustment block (5).

3. The cutting tool for processing plastic steel according to claim 1, characterized in that: The tool holder (1) has a guide groove (7) on the side near the guide block (6) inside, and the guide groove (7) is symmetrically distributed inside the tool holder (1).

4. The cutting tool for processing plastic steel according to claim 1, characterized in that: The bottom end of the cutter head (2) is provided with a screw (8), and the end of the screw (8) away from the cutter head (2) is provided with a limiting collar (9).

5. The cutting tool for processing plastic steel according to claim 1, characterized in that: A return ring (10) is provided at the end of the reserved groove (3) away from the adjustment block (5). A threaded rod (11) passes through the inside of the tool bar (1) and the adjustment block (5). A nut (12) is threadedly connected to one end of the threaded rod (11).

6. The cutting tool for processing plastic steel according to claim 5, characterized in that: The tool holder (1) is provided with a limiting sleeve body (13) on the side near the nut (12). Both sides of the limiting sleeve body (13) are provided with positioning blocks (14), and both ends of the positioning blocks (14) are provided with rubber clips (15).