Pipe cutting machine
By using the combination of driving cylinder and limit rotation roller in the pipe fitting cutting machine, the problem of lifting caused by cutting wheel force during the cutting process is solved, and the cutting surface is flat and automated cutting is achieved, and the processing quality is improved. Level of standardization.
Patent Information
- Application Number
- CN202421198637.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-29
AI Technical Summary
During the cutting process, due to the force exerted by the cutting wheel on it, the pipe fittings are raised when the length is long, and the cutting surface is uneven, which affects the processing quality.
A pipe fitting cutting machine is designed, using a driving cylinder drive lift plate and a limit rotation roller. Through the shaft rotation and the cooperation of the spring rod, the pressure effect on the pipe fitting is maintained to prevent lifting, and the screw and rotation are driven by the motor. Rollers are automatically cut and stored.
It effectively avoids the problem of pipe fittings being raised due to the force of the cutting wheel, ensures that the cutting surface is flat, and improves the degree of automation and standardization of the cutting process.
Smart Images
Figure CN222359352U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of pipe fitting processing, in particular to a pipe fitting cutting machine. Background Art
[0002] In many situations, the pipe structure often needs to be processed into various intersecting lines at the end to facilitate welding. In addition, the pipe is often broken, the pipe wall is cut, and the groove is cut. This "separation" or "cutting" of the pipe wall material is an important part of pipe forming.
[0003] There are many ways to cut pipes, commonly used are mechanical cutting, punching and advanced laser cutting, etc. For small batches, mechanical cutting methods are mainly used, such as turning, milling, circular saw cutting, grinding wheel cutting, etc.
[0004] In mechanical cutting, the driving device mainly drives the cutting wheel to rotate, thereby cutting; however, the cutting wheel exerts force on the pipe, and the pipe is long, which makes it easy for the pipe to be lifted up due to the downward force of the cutting wheel on the cut end, resulting in an uneven cutting surface. Utility Model Content
[0005] The utility model aims to provide a pipe cutting machine to solve the problem that the cutting wheel mentioned in the background technology exerts force on the pipe, and the pipe is long, so that the pipe is easily lifted up due to the downward force of the cutting wheel on the cut end, resulting in an uneven cut surface.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipe cutting machine comprises an operating table, a cutting groove is formed through the upper surface of the operating table, a cutting unit is arranged along the upper end of the cutting groove on the upper end of the operating table, the cutting unit comprises a support frame, the support frame is fixed to the operating table, a driving cylinder is installed in the middle of the upper end of the support frame, a lifting plate is fixed inside the support frame along the output rod end of the driving cylinder, a second fixed seat is fixed on both sides of the lower end of the lifting plate, a rotating rod is connected to the second fixed seat by an axis rotation, the other end of the rotating rod extends into the third fixed seat and is connected to the third fixed seat by an axis rotation, a fourth fixed seat is fixed at the lower end of the third fixed seat, a limited roller is connected to the fourth fixed seat by an axis rotation, the middle of the outer surface of the limited roller is in contact with the pipe fitting, a sixth fixed seat is fixed at the lower end of the outer side of the rotating rod, a spring rod is connected to the sixth fixed seat by an axis rotation, the other end of the spring rod extends into the fifth fixed seat and is connected to the fifth fixed seat by an axis rotation, and the fifth fixed seat is fixed to the lower end of the lifting plate along the outer side of the second fixed seat.
[0007] Preferably, bearing vertical plates are fixed on both sides of the lower end of the lifting plate along the inner sides of the two second fixed seats, a third drive motor is installed on the outer side of one of the bearing vertical plates through a motor bracket, a protective cover is fixed between the two bearing vertical plates, and a cutting wheel is installed inside the protective cover along the output shaft end of the third drive motor.
[0008] Preferably, a pipe placement groove is opened in the middle of one side of the upper end surface of the operating table along the cutting groove, the pipe placement groove is connected with one end of the cutting groove, the lower end of the inner edge of the pipe placement groove of the operating table is set as an inner action cavity, the inner action cavity is connected with the pipe placement groove, a first driving motor is installed on one side of the operating table through a motor bracket, a first driving screw is installed along the output shaft end of the first driving motor in the inner action cavity, a sliding push plate is connected to the external thread of the first driving screw, the sliding push plate passes through the pipe placement groove and extends to the upper end of the operating table, and the two ends of the lower end surface of the sliding push plate are in contact with the pipe placement groove.
[0009] Preferably, an extension plate is fixed to the upper end of the inner side of the sliding propulsion plate, a first fixed seat is fixed to the inner side of the extension plate, and a conveying roller is rotatably connected to the first fixed seat.
[0010] Preferably, a rectangular feed trough is provided in the middle of the upper surface of the operating table along the other side of the cutting groove, a storage box with an open upper surface is installed along the lower end of the rectangular feed trough at the lower end of the operating table, and a discharge trough is provided at the lower end of the outer side surface of the storage box.
[0011] Preferably, a limiting groove is provided on the upper surface of the operating table along the front and rear ends of the rectangular feed trough, and a second drive motor is installed at the rear end of the other side of the operating table through a motor bracket, and a second drive screw is installed in the limiting groove at the rear end along the output shaft end of the second drive motor, and a sliding rod is installed in the limiting groove at the front end, and a pipe limiting plate is connected in a limiting sliding manner in the two limiting grooves, and the pipe limiting plate extends upward to the upper end of the operating table.
[0012] Preferably, legs are fixed on both sides of the front and rear ends of the operating table.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. In the utility model, the driving cylinder drives the lifting plate to move downward, the limiting roller contacts the pipe fitting first, and the driving cylinder drives the lifting plate to continue to move downward. Due to the axial rotation relationship among the second fixed seat, the rotating rod and the third fixed seat, and the axial rotation relationship among the fifth fixed seat, the spring rod and the sixth fixed seat, the spring rod is gradually compressed, and the limiting roller rotates relatively toward the upper end of the outer side to maintain the pressure on the pipe fitting. As the cutting work proceeds, the pressing force of the limiting roller on the pipe fitting is gradually increased to avoid the part of the pipe fitting being lifted up due to the cutting force, thereby solving the problem that the current cutting wheel has a force on the pipe fitting, and the pipe fitting is long, which makes it easy for the pipe fitting to be lifted up due to the downward force of the cutting wheel on the cut end, resulting in an uneven cutting surface.
[0015] 2. In the utility model, after the cutting is completed, the spring rod on one side of the cut pipe rebounds, and the limiting roller rotates relatively to the lower inner end, so that the cut pipe enters the storage box along the rectangular feed trough. There is no need to manually clean the cut pipe, and the operation process has a high degree of automation.
[0016] 3. In the utility model, the second drive motor drives the second drive screw in the limit groove to rotate, and the pipe limit plate rotates toward the cutting groove, and the horizontal distance between the pipe limit plate and the cutting wheel can be adjusted to set it to the preset cutting pipe length. The pipe is placed in the pipe placement groove, the first drive motor drives the first drive screw to rotate, the conveying roller rotates to the upper end of the pipe, and the sliding push plate fits one end of the pipe; the first drive motor drives the first drive screw to continue to rotate, pushing the pipe so that the other end fits the pipe limit plate, and the length of each cut is the same and the target length, with a higher degree of standardization. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of the pipe cutting machine of the utility model;
[0018] Figure 2 It is a front view of the cutting unit of the pipe cutting machine of the utility model;
[0019] Figure 3 It is a structural schematic diagram of a cutting unit of a pipe cutting machine of the utility model;
[0020] Figure 4 It is a partial cross-sectional view of the operating table of the pipe cutting machine of the utility model.
[0021] In the figure: 1. operating table; 2. supporting legs; 3. pipe placement slot; 4. inner action chamber; 5. first driving motor; 6. first driving screw rod; 7. sliding push plate; 8. extension plate; 9. first fixed seat; 10. conveying roller; 11. cutting slot; 12. rectangular feeding slot; 13. storage box; 14. unloading slot; 15. second driving motor; 16. limiting slot; 17. second driving screw rod; 18. sliding rod; 19. pipe limiting plate; 20. cutting unit; 21. supporting frame; 22. driving cylinder; 23. lifting plate; 24. second fixed seat; 25. rotating rod; 26. third fixed seat; 27. fourth fixed seat; 28. limiting roller; 29. fifth fixed seat; 30. spring rod; 31. sixth fixed seat; 32. bearing vertical plate; 33. third driving motor; 34. protective cover; 35. cutting wheel. DETAILED DESCRIPTION
[0022] See also Figure 1-4 The utility model provides an embodiment: a pipe cutting machine, comprising an operating table 1, with legs 2 fixed on both sides of the front and rear ends of the operating table 1; a cutting groove 11 is formed through the upper end surface of the operating table 1, and a cutting unit 20 is arranged along the upper end of the cutting groove 11 at the upper end of the operating table 1, and the cutting unit 20 comprises a support frame 21, the support frame 21 is fixed to the operating table 1, a driving cylinder 22 is installed in the middle of the upper end of the support frame 21, a lifting plate 23 is fixed inside the support frame 21 along the output rod end of the driving cylinder 22, a vertical rod body is fixed on the upper end of the lifting plate 23 along the front and rear ends of the driving cylinder 22, and the vertical rod body slides along the support frame 21, playing the role of lifting and lowering limit. A bearing vertical plate 32 is fixed on both sides of the inner side of two second fixed seats 24 at the lower end of the lifting plate 23, a third driving motor 33 is installed on the outer side of one side of the bearing vertical plate 32 through a motor bracket, a protective cover 34 is fixed between the two bearing vertical plates 32, and a cutting wheel 35 is installed inside the protective cover 34 along the output shaft end of the third driving motor 33.
[0023] A second fixed seat 24 is fixed on both sides of the lower end of the lifting plate 23, and a rotating rod 25 is rotatably connected to the second fixed seat 24 through an axis, and the other end of the rotating rod 25 extends into the third fixed seat 26 and is rotatably connected to the third fixed seat 26 through an axis, and a fourth fixed seat 27 is fixed to the lower end of the third fixed seat 26, and a limited roller 28 is rotatably connected to the fourth fixed seat 27 through an axis, and the middle of the outer surface of the limited roller 28 is in contact with the pipe fitting, and a sixth fixed seat 31 is fixed to the lower end of the outer side of the rotating rod 25, and a spring rod 30 is rotatably connected to the sixth fixed seat 31 through an axis, and the other end of the spring rod 30 extends into the fifth fixed seat 29 and is rotatably connected to the fifth fixed seat 29 through an axis, and the fifth fixed seat 29 is fixed to the lower end of the lifting plate 23 along the outer side of the second fixed seat 24.
[0024] The driving cylinder 22 drives the lifting plate 23 to move downward, and the limiting roller 28 first contacts the pipe fitting, and the driving cylinder 22 drives the lifting plate 23 to continue to move downward. Due to the axial rotation relationship between the second fixed seat 24, the rotating rod 25 and the third fixed seat 26, and the axial rotation relationship between the fifth fixed seat 29, the spring rod 30 and the sixth fixed seat 31, the spring rod 30 is gradually compressed, and the limiting roller 28 rotates relatively toward the upper end of the outer side to maintain the pressure on the pipe fitting. In the process of the limiting roller 28 gradually increasing the pressure on the pipe fitting, the cutting wheel 35 contacts the pipe fitting and cuts the pipe fitting, and the pressing force of the limiting roller 28 on the pipe fitting gradually increases as the cutting work proceeds.
[0025] Furthermore, a pipe placement groove 3 is opened in the middle of one side of the upper end surface of the operating table 1 along the cutting groove 11, and the pipe placement groove 3 is connected with one end of the cutting groove 11. An inner action chamber 4 is set at the lower end of the pipe placement groove 3 inside the operating table 1, and the inner action chamber 4 is connected with the pipe placement groove 3. A first driving motor 5 is installed on one side of the operating table 1 through a motor bracket, and a first driving screw 6 is installed along the output shaft end of the first driving motor 5 in the inner action chamber 4. The external thread of the first driving screw 6 is connected with a sliding push plate 7, and the sliding push plate 7 passes through the pipe placement groove 3 and extends to the upper end of the operating table 1. The two ends of the lower end surface of the sliding push plate 7 are fitted with the pipe placement groove 3, and an extension plate 8 is fixed to the upper end of the inner side of the sliding push plate 7, and a first fixed seat 9 is fixed to the inner side of the extension plate 8, and a conveying roller 10 is rotatably connected in the first fixed seat 9.
[0026] Place the pipe in the pipe placement groove 3, the first drive motor 5 drives the first drive screw 6 to rotate, the conveying roller 10 rotates to the upper end of the pipe, and the sliding push plate 7 fits with one end of the pipe; the first drive motor 5 drives the first drive screw 6 to continue to rotate, pushing the pipe so that the other end fits with the pipe limiting plate 19.
[0027] A rectangular feed trough 12 is provided in the middle of the other side of the cutting groove 11 on the upper end face of the operating table 1, and a storage box 13 with an open upper end face is installed along the lower end of the rectangular feed trough 12 at the lower end of the operating table 1, and a discharge trough 14 is provided at the lower end of the outer side surface of the storage box 13; limiting grooves 16 are provided on the upper end face of the operating table 1 along the front and rear ends of the rectangular feed trough 12, and a second drive motor 15 is installed at the rear end of the other side of the operating table 1 through a motor bracket, and a second drive screw 17 is installed in the rear end limiting groove 16 along the output shaft end of the second drive motor 15, and a sliding rod 18 is installed in the front end limiting groove 16, and a pipe limiting plate 19 is connected to the two limiting grooves 16 in a limiting sliding manner, and the pipe limiting plate 19 extends upward to the upper end of the operating table 1.
[0028] The second driving motor 15 drives the second driving screw 17 in the limiting groove 16 to rotate, and the pipe limiting plate 19 rotates toward the cutting groove 11 until the horizontal distance between the pipe limiting plate 19 and the cutting wheel 35 reaches the preset cutting pipe length.
[0029] When the cutting is completed, the spring rod 30 on one side of the cut pipe rebounds, and the limiting roller 28 rotates relatively toward the lower inner end, so that the cut pipe enters the storage box 13 along the rectangular feed trough 12.
[0030] The cross section of the fitting groove formed in the middle of the outer side surfaces of the rollers is arc-shaped, and the diameter of the arc-shaped surface is substantially the same as the diameter of the pipe placement groove 3 .
Claims
1. A pipe cutting machine, comprising an operating table (1), characterized in that: The upper end surface of the operating table (1) is provided with a cutting groove (11) through-through, and the upper end of the operating table (1) is provided with a cutting unit (20) along the upper end of the cutting groove (11), and the cutting unit (20) comprises a support frame (21), the support frame (21) is fixed to the operating table (1), a driving cylinder (22) is installed in the middle of the upper end of the support frame (21), a lifting plate (23) is fixed inside the support frame (21) along the output rod end of the driving cylinder (22), and second fixed seats (24) are fixed on both sides of the lower end of the lifting plate (23), and a rotating rod (25) is rotatably connected to the second fixed seat (24) through an axis, and the other end of the rotating rod (25) extends to the third fixed seat (2 6) and is rotatably connected to the third fixed seat (26) via an axis, a fourth fixed seat (27) is fixed at the lower end of the third fixed seat (26), a limit roller (28) is rotatably connected to the fourth fixed seat (27) via an axis, the middle of the outer surface of the limit roller (28) is in contact with the pipe fitting, a sixth fixed seat (31) is fixed at the lower end of the outer side of the rotating rod (25), a spring rod (30) is rotatably connected to the sixth fixed seat (31) via an axis, the other end of the spring rod (30) extends into the fifth fixed seat (29) and is rotatably connected to the fifth fixed seat (29) via an axis, and the fifth fixed seat (29) is fixed to the lower end of the lifting plate (23) along the outer side of the second fixed seat (24).
2. The pipe cutting machine according to claim 1, characterized in that: A bearing vertical plate (32) is fixed to the lower end of the lifting plate (23) along the inner sides of the two second fixing seats (24) on both sides, a third drive motor (33) is installed on the outer side of one of the bearing vertical plates (32) through a motor bracket, a protective cover (34) is fixed between the two bearing vertical plates (32), and a cutting wheel (35) is installed inside the protective cover (34) along the output shaft end of the third drive motor (33).
3. The pipe cutting machine according to claim 1, characterized in that: A pipe placement groove (3) is provided in the middle of one side of the cutting groove (11) on the upper end surface of the operating table (1), and the pipe placement groove (3) is connected to one end of the cutting groove (11). An inner action chamber (4) is provided at the lower end of the inner side of the pipe placement groove (3) of the operating table (1), and the inner action chamber (4) is connected to the pipe placement groove (3). A first drive motor (5) is installed on one side of the operating table (1) through a motor bracket, and a first drive screw (6) is installed along the output shaft end of the first drive motor (5) in the inner action chamber (4). The first drive screw (6) is externally threadedly connected to a sliding push plate (7), and the sliding push plate (7) passes through the pipe placement groove (3) and extends to the upper end of the operating table (1), and both ends of the lower end surface of the sliding push plate (7) are in contact with the pipe placement groove (3).
4. The pipe cutting machine according to claim 3, characterized in that: An extension plate (8) is fixed to the upper end of the inner side of the sliding push plate (7), a first fixed seat (9) is fixed to the inner side of the extension plate (8), and a conveying roller (10) is rotatably connected inside the first fixed seat (9).
5. The pipe cutting machine according to claim 3, characterized in that: A rectangular feed trough (12) is provided in the middle of the other side of the upper end surface of the operating table (1) along the cutting groove (11); a storage box (13) with an open upper end surface is installed at the lower end of the operating table (1) along the lower end of the rectangular feed trough (12); and a discharge trough (14) is provided at the lower end of the outer side surface of the storage box (13).
6. The pipe cutting machine according to claim 5, characterized in that: The upper end surface of the operating table (1) is provided with a limiting groove (16) along the front and rear ends of the rectangular feed trough (12); a second drive motor (15) is installed at the rear end of the other side of the operating table (1) through a motor bracket; a second drive screw (17) is installed in the limiting groove (16) at the rear end along the output shaft end of the second drive motor (15); a sliding rod (18) is installed in the limiting groove (16) at the front end; a pipe limiting plate (19) is connected in a limiting sliding manner in the two limiting grooves (16); the pipe limiting plate (19) extends upward to the upper end of the operating table (1).
7. The pipe cutting machine according to claim 1, characterized in that: Support legs (2) are fixed on both sides of the front and rear ends of the operating platform (1).