Protection device for pipe fitting cutting machine
By designing protective devices for supporting frames, fixing frames, cutting blades and protective frames, the problem of damage to the cutting blades when not in use is solved, achieving better practicality and stability.
Patent Information
- Application Number
- CN202421975434.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-15
AI Technical Summary
The cutting blades of the cutting machine for steel pipe processing lack a protective structure, which leads to easy damage when not in use, affecting practicality.
A protective device including a support frame, a fixing frame, a cutting blade and a protective frame is designed to protect and position the cutting blade by adjusting the fit between the moving assembly and the lock nut.
Effectively protect the cutting blade, prevent damage, and improve the practicality and stability of the cutting machine.
Smart Images

Figure CN223056817U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of steel pipe processing, and particularly relates to a protection device for a pipe fitting cutting machine. Background Technique
[0002] A steel pipe is a steel material with a hollow cross-section and a length much greater than the diameter or circumference. Steel pipes are not only used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, but also an economical steel material. During the process of steel pipe processing, cutting operations need to be performed on it, so a steel pipe cutting machine is required. However, during the use of the cutting machine for steel pipe processing, the cutting blade on it lacks a protection structure, resulting in easy damage to the cutting blade when not in use, thus making it inconvenient to achieve better practicality. Content of the Utility Model
[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a protection device for a pipe fitting cutting machine, effectively solving the problem that during the use of the cutting machine for steel pipe processing, the cutting blade on it lacks a protection structure, resulting in easy damage to the cutting blade when not in use, thus making it inconvenient to achieve better practicality.
[0004] To achieve the above purpose, the utility model provides the following technical solution: A protection device for a pipe fitting cutting machine includes a support frame. A fixed frame is arranged inside the support frame, and the fixed frame is of a fan-shaped structure. Fixed frames are fixedly installed at both top ends of the fixed frame, and one end of each fixed frame is fixedly connected to the support frame. A cutting cutter head is arranged inside the fixed frame, and the bottom end of the cutting cutter head extends below the fixed frame. A protection frame is arranged inside the fixed frame, and the protection frame is of a fan-shaped structure. The bottom end of the protection frame extends directly below the fixed frame. The bottom end of the cutting cutter head is located inside the protection frame. A connecting shaft is fixedly installed at the center of one side of the protection frame, and the end of the connecting shaft away from the protection frame is fixedly connected to the center of the inner wall of one side of the fixed frame. A first positioning groove and a second positioning groove are opened at the bottom end of one side of the fixed frame, and the first positioning groove and the second positioning groove are symmetrically arranged on the fixed frame. The distance from the first positioning groove to the center of the fixed frame is the same as the distance from the second positioning groove to the center of the fixed frame. An adjusting and moving component is arranged on one side of the fixed frame, and the protection frame is connected to the adjusting and moving component.
[0005] Preferably, the adjusting and moving assembly includes an installation frame, and the installation frame is fixedly installed on one side of the fixed frame. An adjusting rod is arranged inside the installation frame, and the adjusting rod is horizontally aligned with the center of the fixed frame. One end of the adjusting rod is rotatably connected to the outside of the fixed frame, and the other end of the adjusting rod is rotatably connected to the inner wall of the installation frame. An activity bar is fixedly installed on the outside of the adjusting rod. One end of the activity bar away from the adjusting rod is rotatably installed with a connecting column, and the connecting column is located inside the first positioning groove. One end of the connecting column is fixedly connected to the outside of the protective frame. A transmission gear is also fixedly installed on the outside of the adjusting rod. A driving gear is meshed and connected to the outside of the transmission gear. A rotating rod is rotatably installed inside the top of the installation frame, and the bottom of the rotating rod extends into the installation frame and is fixedly connected to the top of the driving gear. An adjusting disk is fixedly installed on the top of the rotating rod, and a retaining ring is fixedly installed on the outside of the rotating rod below the adjusting disk.
[0006] Preferably, an adjusting thread is provided on the outside of the rotating rod below the retaining ring, and a locking nut is threadedly installed on the outside of the adjusting thread, and the bottom of the locking nut is in contact with the top of the installation frame.
[0007] Preferably, a shaft rod is fixedly installed through the inside of the cutting tool disc. One end of the shaft rod away from the cutting tool disc movably penetrates and extends to the outside of one side of the fixed frame away from the adjusting and moving assembly. A first transmission wheel is fixedly installed on the outside of the end of the shaft rod away from the cutting tool disc. A transmission belt is sleeved on the outside of the first transmission wheel. A second transmission wheel is sleeved inside one end of the transmission belt away from the first transmission wheel. A driving motor is fixedly installed on the inner wall of the support frame, and the second transmission wheel is fixedly installed on the outside of the output shaft of the driving motor.
[0008] Preferably, a support bottom plate is fixedly installed at the bottom of the support frame, and fixing installation holes are respectively provided through the four corners of the support bottom plate.
[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0010] 1) During operation, through the interaction of the support frame, the fixed frame, the cutting tool disc, the protective frame and the adjusting and moving assembly, the cutting blade on the steel pipe processing cutter can be better protected during use, ensuring that the cutting blade will not be damaged when not in use, so as to achieve better practicability.
[0011] 2) During operation, through the interaction of the adjusting thread and the locking nut, the rotating rod can be better positioned during use, thus ensuring that the adjusting and moving assembly can work stably. Description of the Drawings
[0012] The accompanying drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model.
[0013] In the accompanying drawings:
[0014] Figure 1 It is a schematic structural diagram of a protection device for a pipe fitting cutting machine of the present utility model;
[0015] Figure 2 For the present utility model Figure 1 side view structural diagram;
[0016] Figure 3 It is a side view structural diagram of the fixed frame of the present utility model;
[0017] Figure 4 It is a schematic internal structure diagram of the fixed frame of the present utility model;
[0018] Figure 5 It is a schematic structural diagram of the adjustment and movement assembly of the present utility model.
[0019] In the figure: 1, support frame; 2, fixed frame; 3, fixed bracket; 4, cutting tool disc; 5, protective frame; 6, connecting shaft; 7, first positioning groove; 8, second positioning groove; 9, adjustment and movement assembly; 10, mounting frame; 11, adjusting rod; 12, movable strip; 13, connecting column; 14, transmission gear; 15, driving gear; 16, rotating rod; 17, adjusting disc; 18, retaining ring; 19, adjusting thread; 20, locking nut; 21, shaft rod; 22, first transmission wheel; 23, transmission belt; 24, second transmission wheel; 25, driving motor; 26, support bottom plate; 27, fixed mounting hole. Specific embodiments
[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0021] Embodiment 1, consisting of Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5Given that, the utility model includes a support frame 1, a support bottom plate 26 is fixedly installed at the bottom of the support frame 1, and fixing holes 27 are respectively formed through the four corners of the support bottom plate 26. A fixed frame 2 is arranged inside the support frame 1, and the fixed frame 2 is of a sector structure. Fixed brackets 3 are fixedly installed at the top ends of both sides of the fixed frame 2, and one end of each fixed bracket 3 is fixedly connected to the support frame 1. A cutting tool disc 4 is arranged inside the fixed frame 2, and the bottom end of the cutting tool disc 4 extends below the fixed frame 2. A protective frame 5 is arranged inside the fixed frame 2, and the protective frame 5 is of a sector structure. The bottom end of the protective frame 5 extends directly below the fixed frame 2. The bottom end of the cutting tool disc 4 is located inside the protective frame 5. A connecting shaft 6 is fixedly installed at the center of one side of the protective frame 5, and the end of the connecting shaft 6 away from the protective frame 5 is fixedly connected to the center of the inner wall of one side of the fixed frame 2. A first positioning groove 7 and a second positioning groove 8 are formed at the bottom end of one side of the fixed frame 2, and the first positioning groove 7 and the second positioning groove 8 are symmetrically arranged on the fixed frame 2. The distance from the first positioning groove 7 to the center of the fixed frame 2 is the same as the distance from the second positioning groove 8 to the center of the fixed frame 2. An adjusting and moving assembly 9 is arranged on one side of the fixed frame 2, and the protective frame 5 is connected to the adjusting and moving assembly 9. A shaft rod 21 is fixedly installed through the cutting tool disc 4. The end of the shaft rod 21 away from the cutting tool disc 4 movably penetrates and extends to the outside of the side of the fixed frame 2 away from the adjusting and moving assembly 9. A first transmission wheel 22 is fixedly installed on the outer side of the end of the shaft rod 21 away from the cutting tool disc 4. A transmission belt 23 is sleeved on the outer side of the first transmission wheel 22. A second transmission wheel 24 is sleeved inside the end of the transmission belt 23 away from the first transmission wheel 22. A driving motor 25 is fixedly installed on the inner wall of the support frame 1, and the second transmission wheel 24 is fixedly installed on the outer side of the output shaft of the driving motor 25;
[0022] The adjusting and moving component 9 includes an installation frame 10, and the installation frame 10 is fixedly installed on one side of the fixed frame 2. An adjusting rod 11 is arranged inside the installation frame 10, and the adjusting rod 11 is horizontally aligned with the center of the fixed frame 2. One end of the adjusting rod 11 is rotatably connected to the outside of the fixed frame 2, and the other end of the adjusting rod 11 is rotatably connected to the inner wall of the installation frame 10. A movable strip 12 is fixedly installed on the outside of the adjusting rod 11. A connecting column 13 is rotatably installed at one end of the movable strip 12 away from the adjusting rod 11, and the connecting column 13 is located inside the first positioning groove 7. One end of the connecting column 13 is fixedly connected to the outside of the protective frame 5. A transmission gear 14 is also fixedly installed on the outside of the adjusting rod 11. A driving gear 15 is meshed with the outside of the transmission gear 14. A rotating rod 16 is rotatably installed inside the top of the installation frame 10, and the bottom of the rotating rod 16 extends into the installation frame 10 and is fixedly connected to the top of the driving gear 15. An adjusting disc 17 is fixedly installed on the top of the rotating rod 16. A retaining ring 18 is fixedly installed below the adjusting disc 17 and on the outside of the rotating rod 16. An adjusting thread 19 is formed on the outside of the rotating rod 16 below the retaining ring 18. A locking nut 20 is threadedly installed on the outside of the adjusting thread 19, and the bottom of the locking nut 20 contacts the top of the installation frame 10.
[0023] During use, through the interaction of the support frame 1, the fixed frame 2, the cutting tool disc 4, the protective frame 5 and the adjusting and moving component 9, it can be ensured that during the use of the steel pipe processing cutting machine, the cutting blades thereon can be better protected, ensuring that the cutting blades will not be damaged when not in use, so as to achieve better practicability. And through the interaction of the adjusting thread 19 and the locking nut 20, it is convenient to better position the rotating rod 16 during use, thereby ensuring that the adjusting and moving component 9 can work stably.
[0024] Working principle: During operation, first hold the adjustment disc 17 stationary, then loosen the lock nut 20 to release the positioning of the rotating rod 16. Then rotate the adjustment disc 17, which drives the rotating rod 16 to rotate. The rotating rod 16 drives the driving gear 15 to rotate, the driving gear 15 drives the transmission gear 14 to rotate, the transmission gear 14 drives the adjusting rod 11 to rotate, the adjusting rod 11 drives the movable strip 12 to move, and the movable strip 12 drives the connecting column 13 to move out of the first positioning groove 7. The connecting column 13 drives the protective frame 5 to move inside the fixed frame 2. After the connecting column 13 moves into the second positioning groove 8, the protective frame 5 is fully opened to release the protection of the cutting tool disc 4. Then stop rotating the adjustment disc 17 and hold the adjustment disc 17 stationary. Then tighten the lock nut 20 to reposition the rotating rod 16. Then release the adjustment disc 17. Then the drive motor 25 can be started to drive the second transmission wheel 24 to rotate. The second transmission wheel 24 drives the first transmission wheel 22 to rotate through the transmission belt 23. The first transmission wheel 22 drives the shaft rod 21 to rotate, and the shaft rod 21 drives the cutting tool disc 4 to perform cutting operations. After cutting is completed, stop the drive motor 25. Then hold the adjustment disc 17 stationary again, then loosen the lock nut 20 to release the positioning of the rotating rod 16. Then rotate the adjustment disc 17 in the reverse direction so that the connecting column 13 moves back into the first positioning groove 7. At this time, the protective frame 5 is reset to protect the cutting tool disc 4. Then hold the adjustment disc 17 stationary and tighten the lock nut 20 to reposition the rotating rod 16. Then release the adjustment disc 17. In this way, during the use of the steel pipe processing cutting machine, the cutting blades on it can be better protected, ensuring that the cutting blades will not be damaged when not in use, thus facilitating better practicality.
Claims
1. A protection device for a pipe fitting cutting machine, comprising a support frame (1), characterized in that: Inside the support frame (1), a fixed frame (2) is provided. The fixed frame (2) is of a fan-shaped structure. At both top ends of the fixed frame (2), fixed brackets (3) are fixedly installed, and one end of the fixed bracket (3) is fixedly connected to the support frame (1). Inside the fixed frame (2), a cutting cutter head (4) is provided, and the bottom end of the cutting cutter head (4) extends below the fixed frame (2). Inside the fixed frame (2), a protective frame (5) is provided, and the protective frame (5) is of a fan-shaped structure. The bottom end of the protective frame (5) extends directly below the fixed frame (2). The bottom end of the cutting cutter head (4) is located inside the protective frame (5). At the center of one side of the protective frame (5), a connecting shaft (6) is fixedly installed, and the end of the connecting shaft (6) away from the protective frame (5) is fixedly connected to the center of the inner wall of one side of the fixed frame (2). At the bottom end of one side of the fixed frame (2), a first positioning groove (7) and a second positioning groove (8) are provided, and the first positioning groove (7) and the second positioning groove (8) are symmetrically arranged on the fixed frame (2). The distance from the first positioning groove (7) to the center of the fixed frame (2) is the same as the distance from the second positioning groove (8) to the center of the fixed frame (2). On one side of the fixed frame (2), an adjusting and moving assembly (9) is provided, and the protective frame (5) is connected to the adjusting and moving assembly (9).
2. The protection device for a pipe fitting cutting machine according to claim 1, wherein: The adjusting and moving assembly (9) includes an installation frame (10), and the installation frame (10) is fixedly installed on one side of the fixed frame (2). Inside the installation frame (10), an adjusting rod (11) is provided, and the adjusting rod (11) is horizontally aligned with the center of the fixed frame (2). One end of the adjusting rod (11) is rotatably connected to the outside of the fixed frame (2), and the other end of the adjusting rod (11) is rotatably connected to the inner wall of the installation frame (10). On the outside of the adjusting rod (11), a movable strip (12) is fixedly installed. At the end of the movable strip (12) away from the adjusting rod (11), a connecting column (13) is rotatably installed, and the connecting column (13) is located inside the first positioning groove (7). One end of the connecting column (13) is fixedly connected to the outside of the protective frame (5). On the outside of the adjusting rod (11), a transmission gear (14) is also fixedly installed. The outside of the transmission gear (14) is meshed with a driving gear (15). Inside the top of the installation frame (10), a rotating rod (16) is rotatably installed, and the bottom end of the rotating rod (16) extends inside the installation frame (10) and is fixedly connected to the top of the driving gear (15). On the top of the rotating rod (16), an adjusting disc (17) is fixedly installed. Below the adjusting disc (17) and on the outside of the rotating rod (16), a retaining ring (18) is fixedly installed.
3. The protection device for a pipe fitting cutting machine according to claim 2, wherein: Below the retaining ring (18) and on the outside of the rotating rod (16), an adjusting thread (19) is provided. A locking nut (20) is threadedly installed on the outside of the adjusting thread (19), and the bottom of the locking nut (20) contacts the top of the installation frame (10).
4. A protection device for a pipe fitting cutting machine according to claim 1, characterized in that: A shaft rod (21) is fixedly installed through the inside of the cutting cutter head (4). One end of the shaft rod (21) away from the cutting cutter head (4) movably penetrates and extends to the outside of one side of the fixed frame (2) away from the adjustment and movement assembly (9). A first transmission wheel (22) is fixedly installed on the outer side of the end of the shaft rod (21) away from the cutting cutter head (4). A transmission belt (23) is sleeved on the outer side of the first transmission wheel (22). A second transmission wheel (24) is sleeved inside one end of the transmission belt (23) away from the first transmission wheel (22). A driving motor (25) is fixedly installed on the inner wall of the support frame (1), and the second transmission wheel (24) is fixedly installed on the outer side of the output shaft of the driving motor (25).
5. The protection device for a pipe fitting cutting machine according to claim 1, wherein: A support bottom plate (26) is fixedly installed at the bottom of the support frame (1), and fixed installation holes (27) are respectively formed through the four corners of the support bottom plate (26).