Metal pipe arc-shaped notch cutting device

Abstract

The utility model relates to a cutting device for an arc-shaped notch of a metal pipe, and aims to improve the cutting efficiency, ensure the accuracy and smoothness of the notch and reduce material waste. The device comprises a fixed seat, a mounting block, a notch, a sliding block, a positioning groove, a tool bit, a spring barrel and a connecting rod. The fixed seat is provided with a bottom surface and two side surfaces, and the mounting block is arranged on the fixed seat and is provided with an arc-shaped mounting groove. The sliding block is arranged on the bottom face, protrusions matched with the notches are arranged on the two sides of the sliding block, and a cylindrical groove is formed in the bottom of the sliding block. The positioning groove is formed in the side wall of the sliding block, and the tool bit is arranged in the positioning groove and provided with a fixed end and a 1 / 4 sphere notch end. The spring barrel is arranged on the fixing base and internally provided with a spring for supporting the sliding block. The connecting rods are connected with the two sides of the fixing base and sleeved with the cams and the handles to drive the sliding blocks to press downwards to achieve cutting. According to the device, through organic combination of all parts, efficient and accurate cutting is achieved, the cutting quality is improved, and material waste is reduced. The device is suitable for the field of metal pipe notch cutting machining.

Description

Technical Field

[0001] This application relates to the field of metal tube manufacturing or processing technology, specifically a metal tube arc groove cutting device. Background Technology

[0002] In the field of metal tube processing, traditional methods for cutting curved grooves mainly rely on manual operation or simple mechanical cutting equipment. Specifically, operators typically use handheld cutting tools, such as abrasive wheel cutters or plasma cutters, to manually cut along a predetermined curved trajectory. This method is not only inefficient but also makes it difficult to guarantee cutting accuracy, easily producing large errors and burrs, leading to increased subsequent processing and handling costs. Furthermore, manual operation poses high safety risks, and the operator's skill level directly affects the cutting quality, making standardization and large-scale production difficult. Utility Model Content

[0003] The purpose of this utility model is to provide a metal tube arc-shaped groove cutting device, which can improve cutting efficiency, ensure the accuracy and smoothness of the cut groove, and reduce material waste. To achieve the above objective, this application provides the following technical solution: a metal tube arc-shaped groove cutting device, comprising:

[0004] The fixing base has a bottom surface and two oppositely arranged side surfaces;

[0005] The mounting block is disposed on the fixing base, and the mounting block is provided with an arc-shaped mounting groove for accommodating the metal tube;

[0006] The slots are provided on two sides of the fixing base;

[0007] The slider is disposed on the bottom surface of the fixed base and located between the two slots. The slider has protrusions on both sides that are adapted to the slots, and a cylindrical groove is provided at the bottom of the slider.

[0008] A positioning groove is provided on the side wall of the slider, and the positioning groove is cylindrical;

[0009] The cutting head is disposed in the positioning groove, and the cutting head has a fixed end adapted to the positioning groove and a 1 / 4 sphere cutting end. The end of the mounting block that contacts the slider is provided with a hemispherical relief groove adapted to the cutting end.

[0010] A spring cylinder is disposed on the fixed base and corresponds to the groove. A spring is disposed inside the spring cylinder, with one end of the spring located in the groove. The spring supports the slider.

[0011] A connecting rod is connected to the two sides of the fixed base, and a cam is sleeved on the connecting rod. A handle is provided on the cam, and the handle drives the cam to rotate, thereby causing the slider to press down and realize the cutting head cutting the metal tube.

[0012] In a preferred embodiment of this technical solution, the arc diameter of the mounting groove is consistent with the diameter of the sphere at the cut end.

[0013] In a preferred embodiment of this technical solution, multiple mounting slots and cutting heads are provided, and the mounting slots and cutting heads correspond one-to-one.

[0014] In this preferred embodiment, the plurality of mounting slots and the cutting head have different diameters to accommodate metal tubes of different diameters.

[0015] In a preferred embodiment, the present technical solution further includes a protrusion, which is disposed in the middle part of the slider and corresponds to the cam.

[0016] In a preferred embodiment, the present technical solution further includes protective plates, which are disposed on both sides of the protrusion.

[0017] In a preferred embodiment, the present technical solution further includes a fixing piece, which is disposed on the mounting block and one end of the fixing piece is hinged to the mounting block.

[0018] In a preferred embodiment of this technical solution, the fixing plate is provided with an arc-shaped groove corresponding to the mounting groove, and the arc-shaped groove and the mounting groove together form an enclosure of the metal tube.

[0019] In a preferred embodiment of this technical solution, the arc-shaped groove has the same diameter as the mounting groove.

[0020] Compared with the prior art, the beneficial effects of this application are:

[0021] This device, through ingenious design, organically combines components such as a fixed base, mounting block, slider, cutter head, and spring cylinder to form a highly efficient cutting system. In particular, the cam driven by the handle rotates, causing the slider to press down, enabling the cutter head to cut metal tubes quickly and precisely. Compared to traditional manual cutting or simple mechanical cutting methods, this device significantly shortens cutting time and dramatically improves cutting efficiency. The design of the arc-shaped mounting groove and positioning groove ensures the stability of the metal tube during cutting and the precise positioning of the cutter head. The cutter head adopts a 1 / 4 spherical cutting end design, which can form a smooth groove edge during cutting, avoiding burrs and rough surfaces common in traditional cutting methods. This not only improves cutting quality but also reduces the subsequent grinding process and time. The ingenious cooperation between the slider and the cutter head minimizes metal tube wear during cutting, thereby effectively reducing material waste and lowering production costs. Attached Figure Description

[0022] Figure 1 This is a three-dimensional schematic diagram of a metal tube arc groove cutting device proposed in the embodiments of this application;

[0023] Figure 2 This is a front view of a metal tube arc groove cutting device proposed in an embodiment of this application;

[0024] Figure 3 This is a 3D schematic diagram of the slider;

[0025] Figure 4 This is a three-dimensional schematic diagram of the blade head;

[0026] In the diagram: 1. Fixed base; 2. Mounting block; 3. Mounting groove; 4. Groove; 5. Slider; 6. Protrusion; 7. Groove; 8. Positioning groove; 9. Cutting head; 10. Fixed end; 11. Cutting end; 12. Spring sleeve; 13. Spring; 14. Connecting rod; 15. Cam; 16. Handle; 17. Protrusion; 18. Protective plate; 19. Fixing piece; 20. Arc groove. Detailed Implementation

[0027] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0028] It should be noted that in the description of this application, the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application 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. Therefore, they should not be construed as limitations on this application.

[0029] Furthermore, it should be understood that, for ease of description, the dimensions of the various components shown in the accompanying drawings are not drawn to actual scale; for example, the thickness or width of some layers may be exaggerated relative to other layers.

[0030] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined or described in one figure, it will not need to be discussed or described in detail in the description of the subsequent figures.

[0031] In order to solve the technical problems in the background art, such as Figure 1-4 As shown, this application provides a technical solution: a metal tube arc-shaped groove cutting device, characterized as follows:

[0032] The base 1 is the foundation of the device, having a bottom surface and two opposing side surfaces. The bottom surface supports the entire device, while the side surfaces are used to fix and guide the movement of other components. The mounting block 2 is fixed to the base 1 and has an arc-shaped mounting groove 3 for accommodating the metal tube to be cut. The shape of the arc-shaped mounting groove 3 matches the outer diameter of the metal tube, ensuring that the metal tube can be stably placed within the groove. Grooves 4 are located on the two side surfaces of the base 1 to guide the slider 5 to move between the side surfaces. The slider 5 is located on the bottom surface of the base 1, between the two grooves 4. The slider 5 has protrusions 6 on both sides that fit into the grooves 4, allowing the slider 5 to move smoothly within the grooves 4. The bottom of the slider 5 has a cylindrical groove 7 for engaging with the spring cylinder 12. A positioning groove 8, cylindrical in shape, is located on the side wall of the slider 5 and is used to fix the cutting head 9. The cutting head 9 is located within the positioning groove 8 and has a fixed end 10 that fits into the positioning groove 8 and a quarter-sphere cutting end 11. A hemispherical clearance groove is designed at the contact point between mounting block 2 and slider 5. This hemispherical concave groove matches the spherical shape of the cutting end 11 of the cutter head 9, ensuring that the cutter head 9 can move freely during the cutting process to improve the smoothness of the cut. The design of the cutter head 9 allows it to make arc-shaped cuts along the surface of the metal tube. Spring cylinder 12 is mounted on the fixed base 1, corresponding to the cylindrical groove 7. Spring 13 is installed inside spring cylinder 12, with one end of spring 13 located in groove 7 and the other end fixed to the bottom of spring cylinder 12. The function of spring 13 is to support slider 5 and keep it in the proper position. Connecting rod 14 connects the two sides of fixed base 1, and cam 15 is sleeved on it. Handle 16 is provided on cam 15 for manual operation. By rotating handle 16, cam 15 rotates, driving slider 5 to press down, realizing the cutting of metal tube by cutter head 9.

[0033] In use, place the metal tube to be cut into the arc-shaped mounting groove 3 on the mounting block 2. The quarter-spherical cutting end 11 of the cutter head 9 extends into the metal tube. By rotating the handle 16, the cam 15 is driven to rotate, causing the slider 5 to move along the groove 4 and press down. The pressing down of the slider 5 causes the quarter-spherical cutting end 11 of the cutter head 9 to contact the metal tube, and the cutting end 11 retracts into the hemispherical relief groove, making an arc-shaped cut along the surface of the metal tube. After cutting is completed, release the handle 16, and the spring 13 returns the slider 5 to its initial position.

[0034] Furthermore, the arc diameter of the mounting groove 3 matches the spherical diameter of the cutting end 11, meaning that the mounting groove 3 and the spherical portion of the cutting end 11 of the cutter head 9 have the same dimensions. This design ensures that the cutter head 9 can precisely make arc-shaped cuts along the inner wall of the metal tube during the cutting process, while maintaining consistency and accuracy in the cutting. The matching design of the mounting groove 3 and the cutting end 11 also helps to enhance the stability during the cutting process, because the cutter head 9 maintains close contact with the inner wall of the metal tube throughout the cutting process.

[0035] It should be noted that by setting multiple mounting slots 3 and corresponding cutting heads 9, the device can process multiple metal tubes simultaneously, significantly improving production efficiency. The one-to-one correspondence between each mounting slot 3 and cutting head 9 provides processing flexibility, allowing the selection of specific combinations of mounting slots 3 and cutting heads 9 according to different processing requirements.

[0036] It is worth noting that by providing mounting slots 3 and cutter heads 9 of different diameters, the device can adapt to metal tubes of different diameters, increasing the equipment's versatility and market competitiveness. Users can select the appropriate mounting slot 3 and cutter head 9 according to the specific diameter of the metal tube, improving processing flexibility and convenience. The diameter of each mounting slot 3 and cutter head 9 is precisely matched to the corresponding metal tube diameter, ensuring cutting accuracy and quality.

[0037] It should be noted that the protrusion 17 corresponds to the cam 15, meaning that a protrusion 17 is added to the middle part of the slider 5. This protrusion 17 interacts with the cam 15 to transmit force and motion, thereby driving the movement of the slider 5. The protrusion 17 is located in the middle of the slider 5, corresponding to the cam 15. When the cam 15 rotates, the protrusion 17 moves accordingly, converting the rotational motion into the linear motion of the slider 5. The protrusion 17 enhances the structural stability of the slider 5 because it provides an additional support point, reducing potential offset or vibration of the slider 5 during the cutting process.

[0038] Furthermore, protective plates 18 are disposed on both sides of the protrusion 17, and the protective plates 18 serve to limit the range of motion of the cam 15. This design ensures that the cam 15 does not exceed the predetermined range of motion when rotating, thereby protecting the cam 15 and the protrusion 17 from damage and ensuring precise control of the slider 5.

[0039] It is worth noting that a fixing plate 19 is added to the mounting block 2. One end of this fixing plate 19 is connected to the mounting block 2 via a hinge, allowing the fixing plate 19 to rotate or swing around the hinge point. This facilitates the fixing or adjustment of the metal tube's position. The fixing plate 19 provides additional support, enhancing the stability of the metal tube in the mounting groove 3 and preventing displacement of the metal tube during cutting. The hinged design allows the fixing plate 19 to open and close quickly, facilitating the loading and unloading of the metal tube and improving work efficiency.

[0040] It is worth noting that the arc-shaped groove 20 on the fixing plate 19 matches the mounting groove 3, together forming a complete arc-shaped enclosure structure for stably fixing the metal tube. This design improves the stability of the metal tube during the cutting process because the metal tube is enclosed by two arc-shaped parts, reducing the possibility of rotation or displacement during cutting. The combined use of the arc-shaped groove 20 and the mounting groove 3 allows for precise positioning of the metal tube, ensuring the accuracy of the cutting position.

[0041] It is important to note that the arc-shaped groove 20 on the fixing plate 19 and the mounting groove 3 on the mounting block 2 have the same diameter. This design ensures that the metal tube can be perfectly matched between the mounting groove 3 and the arc-shaped groove 20, providing a uniform and stable enclosure structure to accommodate the diameter of the metal tube.

[0042] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A metal tube arc-shaped groove cutting device, characterized in that, include: A fixing base (1) having a bottom surface and two oppositely arranged side surfaces; Mounting block (2), the mounting block (2) is disposed on the fixing seat (1), and the mounting block (2) is provided with an arc-shaped mounting groove (3) for accommodating the metal tube; The slot (4) is provided on both sides of the fixing base (1); The slider (5) is disposed on the bottom surface of the fixed base (1) and located between the two slots (4). The slider (5) has protrusions (6) on both sides that are adapted to the slots (4). The bottom of the slider (5) is provided with a cylindrical groove (7). Positioning groove (8), the positioning groove (8) is disposed on the side wall of the slider (5), and the positioning groove (8) is cylindrical; The cutting head (9) is disposed in the positioning groove (8), and the cutting head (9) has a fixed end (10) adapted to the positioning groove (8) and a 1 / 4 sphere cutting end (11). The mounting block (2) is provided with a hemispherical relief groove adapted to the cutting end (11) at the end that contacts the slider (5). A spring cylinder (12) is provided on the fixed base (1) and corresponds to the groove (7). A spring (13) is provided inside the spring cylinder (12). One end of the spring (13) is located in the groove (7). The spring (13) supports the slider (5). A connecting rod (14) is connected to the two sides of the fixed base (1), and a cam (15) is sleeved on the connecting rod (14). A handle (16) is provided on the cam (15). The handle (16) drives the cam (15) to rotate, thereby driving the slider (5) to press down and realize the cutting head (9) cutting the metal tube.

2. The metal tube arc groove cutting device according to claim 1, characterized in that, The arc diameter of the mounting groove (3) is consistent with the spherical diameter of the cut end (11).

3. The metal tube arc groove cutting device according to claim 2, characterized in that, Multiple mounting slots (3) and cutting heads (9) are provided, and the mounting slots (3) and cutting heads (9) correspond one-to-one.

4. The metal tube arc groove cutting device according to claim 3, characterized in that, The multiple mounting slots (3) and the cutter head (9) have different diameters to accommodate metal tubes of different diameters.

5. The metal tube arc groove cutting device according to claim 1, characterized in that, It also includes a bump (17) which is disposed in the middle part of the slider (5) and corresponds to the cam (15).

6. The metal tube arc groove cutting device according to claim 5, characterized in that, It also includes a protective plate (18), which is disposed on both sides of the protrusion (17).

7. The metal tube arc groove cutting device according to claim 1, characterized in that, It also includes a fixing piece (19), which is disposed on the mounting block (2), and one end of the fixing piece (19) is hinged to the mounting block (2).

8. The metal tube arc groove cutting device according to claim 7, characterized in that, The fixing plate (19) is provided with an arc-shaped groove (20) corresponding to the mounting groove (3), and the arc-shaped groove (20) and the mounting groove (3) together form an enclosure for the metal tube.

9. The metal tube arc groove cutting device according to claim 8, characterized in that, The arc-shaped groove (20) has the same diameter as the mounting groove (3).

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