PPR pipe cutting machine with fixed-length cutting structure

Abstract

The utility model relates to the field of pipe cutting, disclose a kind of PPR pipe cutting machine with fixed-length cutting structure, including cutting table, the top of cutting table is provided with support, the top of support is fixedly connected with cylinder, the output end of cylinder is fixedly connected with lifting frame, the inner wall of lifting frame is rotatably connected with support shaft, the bottom end of support shaft is fixedly connected with installation shell, the outer wall of installation shell is fixedly connected with cutting motor, the output end of cutting motor is fixedly connected with cutting knife, the inner surface of lifting frame is fixedly connected with annular dial, the outer wall of support shaft is fixedly connected with indication mark, the outer wall of support shaft is fixedly connected with driven wheel.In the utility model, the inclination angle of cutting knife is accurately adjusted by the meshing structure of knob, driving wheel and driven wheel, the applicability of the equipment is improved to meet the different connection requirements of PPR pipe, and the consistency of cutting length is guaranteed, and the construction quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of pipe cutting, and in particular to a PPR pipe cutting machine with a fixed-length cutting structure. Background Technology

[0002] In the fields of building water supply and drainage, heating, ventilation and air conditioning, PPR pipes are widely used due to their excellent heat resistance, corrosion resistance and easy connection. However, cutting is an essential part of the construction and installation of PPR pipes, and the cutting quality directly affects the sealing of subsequent pipe connections and the stability of the overall system.

[0003] A search revealed that Chinese Patent Publication No. CN219522233U discloses a PPR pipe rapid positioning and cutting machine. Through the setting of a retractable strip plate structure, the scale on the strip plate can be used for cutting limit, thereby enabling precise control of the cutting length during the cutting process and making the cutting machine more accurate.

[0004] The above technical solution achieves fixed-length cutting through a retractable strip structure, but it cannot adjust the angle, resulting in the inability to cut at an angle and failing to meet the requirements of different connection methods for the pipe end face, thus affecting the connection quality. Therefore, a PPR pipe cutting machine with a fixed-length cutting structure is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a PPR pipe cutting machine with a fixed-length cutting structure, which aims to improve the problem that existing PPR pipe cutting machines with fixed-length cutting structures lack angle adjustment cutting, resulting in the inability to cut at an angle.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a PPR pipe cutting machine with a fixed-length cutting structure, comprising a cutting table, a support on the top of the cutting table, a cylinder fixedly connected to the top of the support, a lifting frame fixedly connected to the output end of the cylinder, a support shaft rotatably connected to the inner wall of the lifting frame, a mounting shell fixedly connected to the bottom end of the support shaft, a cutting motor fixedly connected to the outer wall of the mounting shell, a cutting blade fixedly connected to the output end of the cutting motor, an annular scale fixedly connected to the inner surface of the lifting frame, an indicator fixedly connected to the outer wall of the support shaft, and a [missing information - likely a device or mechanism] fixedly connected to the outer wall of the support shaft. The lifting frame has a knob inside, and the bottom of the knob is fixedly connected to a drive wheel via a rotating shaft. The outer wall of the knob has a screw hole. The inner wall of the lifting frame is threaded with a positioning rod. The top of the cutting table is fixedly connected to a placement seat. The bottom of the cutting table is fixedly connected to a motor via a mounting plate. The output end of the motor is fixedly connected to a screw. The bottom of the cutting table is also fixedly connected to a slide rod via a mounting plate. The outer wall of the screw is threadedly connected to a connecting frame via a nut. The bottom of the support is also rotatably connected to a roller via a rotating shaft. The top of the cutting table is equipped with a baffle. The outer wall of the cutting table is equipped with a clamping assembly.

[0007] As a further description of the above technical solution:

[0008] The annular dial is fitted onto the outer wall of the support shaft, and the driven wheel meshes with the driving wheel.

[0009] As a further description of the above technical solution:

[0010] The positioning rod passes through the lifting frame, and the outer wall of the positioning rod is threadedly connected to the inner wall of the screw hole.

[0011] As a further description of the above technical solution:

[0012] The clamping assembly includes a second motor, the output end of which is fixedly connected to a bidirectional lead screw. The outer wall of the bidirectional lead screw is also threadedly connected to a clamping seat through a nut. The outer wall of the clamping seat has an installation groove. The top of the clamping seat is fixedly connected to a micro motor, and the output end of the micro motor is also fixedly connected to a drive wheel through a rotating shaft.

[0013] As a further description of the above technical solution:

[0014] The outer wall of the second motor is also fixedly connected to the outer wall of the cutting table on the side away from the baffle by a mounting plate.

[0015] As a further description of the above technical solution:

[0016] The outer wall of the clamp is slidably connected to the inner wall of the cutting table, and the center of the drive wheel is recessed.

[0017] As a further description of the above technical solution:

[0018] The top of the cutting table is provided with a sliding groove, and an electric push rod is fixedly connected to the outer wall of the cutting table. A push plate is fixedly connected to the output end of the electric push rod, and a pull rope is fixedly connected to the outer wall of the push plate.

[0019] As a further description of the above technical solution:

[0020] The pulling rope passes through the cutting table, and the inner wall of the chute is adapted to the outer wall of the baffle.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the tilt angle of the cutting blade is precisely adjusted by the meshing structure of the knob, the driving wheel and the driven wheel, and the circular dial is used for intuitive display to achieve bevel cutting. At the same time, the motor drives the screw to move the bracket, and the baffle limits the cutting to complete the fixed length cutting, which improves the applicability of the equipment to meet the different connection requirements of PPR pipes, ensures the consistency of cutting length, and improves the construction quality.

[0023] 2. In this utility model, the push plate is driven by an electric push rod, and the baffle in the sliding groove is moved away from the opening of the placement seat by the pull rope, so that the uncut PPR pipe can automatically push out the cut pipe, realizing the automatic material return function in continuous cutting operation, improving work efficiency and reducing manual intervention. Attached Figure Description

[0024] Figure 1 This is a front view schematic diagram of the main structure of a PPR pipe cutting machine with a fixed-length cutting structure proposed in this utility model.

[0025] Figure 2 This utility model proposes a PPR pipe cutting machine with a fixed-length cutting structure. Figure 1 Enlarged view of region A in the middle;

[0026] Figure 3 This is a bottom view schematic diagram of the main structure of a PPR pipe cutting machine with a fixed-length cutting structure proposed in this utility model.

[0027] Figure 4 This is a top view schematic diagram of the main structure of a PPR pipe cutting machine with a fixed-length cutting structure proposed in this utility model;

[0028] Figure 5 This utility model proposes a PPR pipe cutting machine with a fixed-length cutting structure. Figure 4Enlarged schematic diagram of region B in the middle.

[0029] Legend:

[0030] 1. Cutting table; 2. Bracket; 3. Cylinder; 4. Lifting frame; 5. Mounting housing; 6. Cutting motor; 7. Cutting blade; 8. Support shaft; 9. Annular dial; 10. Indicator; 11. Driven wheel; 12. Drive wheel; 13. Knob; 14. Screw hole; 15. Positioning rod; 16. Placement seat; 17. Baffle; 18. Motor 1; 19. Screw; 20. Slide rod; 21. Connecting frame; 22. Roller; 23. Motor 2; 24. Two-way lead screw; 25. Clamp; 26. Mounting slot; 27. Micro motor; 28. Drive wheel; 29. ​​Electric push rod; 30. Push plate; 31. Pull rope; 32. Slide groove. Detailed Implementation

[0031] 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.

[0032] Reference Figures 1-2 , Figure 5This utility model provides an embodiment of a PPR pipe cutting machine with a fixed-length cutting structure, including a cutting table 1, a support 2 on the top of the cutting table 1, a cylinder 3 fixedly connected to the top of the support 2, a lifting frame 4 fixedly connected to the output end of the cylinder 3, two sets of guide rods penetrating the support 2 on both sides of the lifting frame 4, which can play an auxiliary positioning function during its lifting and lowering. A support shaft 8 is rotatably connected to the inner wall of the lifting frame 4, a mounting shell 5 is fixedly connected to the bottom end of the support shaft 8, a cutting motor 6 is fixedly connected to the outer wall of the mounting shell 5, a cutting blade 7 is fixedly connected to the output end of the cutting motor 6, and an annular scale 9 is fixedly connected to the inner surface of the lifting frame 4. The annular scale 9 provides an intuitive scale reference for adjusting the cutting angle, facilitating precise angle control. The annular scale 9 is sleeved on the outer wall of the support shaft 8. The rotation of the support shaft 8 can drive an indicator 10 to cooperate with the annular scale 9 to achieve angle display. An indicator 10 is fixedly connected to the outer wall of the support shaft 8, and the indicator 10 points to... The scale on the annular dial 9 clearly reflects the tilt angle of the cutting blade 7. A driven wheel 11 is fixedly connected to the outer wall of the support shaft 8. A knob 13 is installed inside the lifting frame 4. The bottom end of the knob 13 is fixedly connected to the driving wheel 12 via a rotating shaft. The driven wheel 11 meshes with the driving wheel 12. The meshing structure ensures the stability and accuracy of power transmission, making the angle adjustment more precise. A screw hole 14 is opened on the outer wall of the knob 13. A positioning rod 15 is threadedly connected to the inner wall of the lifting frame 4. The outer wall of the positioning rod 15 is threadedly connected to the inner wall of the screw hole 14. The positioning rod 15 passes through the lifting frame 4. Several sets of screw holes 14 are opened and are evenly distributed on the outer wall of the knob 13. After the knob 13 controls the driving wheel 12 to rotate, the positioning rod 15 can select the corresponding screw hole 14 to connect with it and position the knob 13. This facilitates switching the tilt angle of the cutting blade 7, enabling it to perform bevel cutting on the PPR pipe. The bevel cutting capability meets the needs of different connection methods of PPR pipes and improves the applicability of the equipment.

[0033] Reference Figure 1 , Figure 3 , Figure 4The top of the cutting table 1 is fixedly connected to a placement seat 16, which provides space for the PPR pipe and restricts its radial movement. The bottom of the cutting table 1 is fixedly connected to a motor 18 via a mounting plate. The output end of the motor 18 is fixedly connected to a screw 19. The bottom of the cutting table 1 is also fixedly connected to a slide rod 20 via a mounting plate. The outer wall of the screw 19 is threadedly connected to a connecting bracket 21 via a nut. The bottom of the bracket 2 is also rotatably connected to a roller 22 via a rotating shaft. The roller 22 reduces friction between the bracket 2 and the cutting table 1, making the bracket 2 move more smoothly. The top of the cutting table 1 is provided with a baffle 17, which contacts the end of the PPR pipe and provides a limit. The motor 18 drives the screw 19 to rotate, which, in conjunction with the limit provided by the slide rod 20, allows the bracket 2 to move on the cutting table 1. Depending on the distance of the cutting blade 7 from or away from the baffle 17, a fixed-length cut is achieved. This fixed-length cut function ensures the consistency of the PPR pipe cutting length and improves construction quality.

[0034] Reference Figures 2-3 The outer wall of the cutting table 1 is equipped with a clamping assembly, which includes a second motor 23, a bidirectional lead screw 24, two sets of clamps 25, two sets of micro motors 27, two sets of rotating shafts, and two sets of drive wheels 28. The outer wall of the second motor 23 is also fixedly connected to the outer wall of the cutting table 1 away from the baffle 17 by a mounting plate. The output end of the second motor 23 is fixedly connected to the bidirectional lead screw 24. The outer wall of the bidirectional lead screw 24 is also threadedly connected to the clamps 25 by a nut. The outer wall of the clamps 25 is slidably connected to the inner wall of the cutting table 1. The outer wall of the clamps 25 has a mounting groove 26. The top of the clamps 25 is fixedly connected to the micro motor 27. The output end of the micro motor 27 is also fixedly connected to the drive wheels 28 by a rotating shaft. The center of the drive wheels 28 is concave. The two sets of clamps 25 are close to limit the two sides of the PPR pipe. At the same time, the drive wheels 28 are driven by the micro motors 27 to transport the PPR pipe. The uncut area pushes the cut PPR pipe out of the placement seat 16.

[0035] Reference Figure 4 The top of the cutting table 1 is provided with a groove 32. The inner wall of the groove 32 is adapted to the outer wall of the baffle 17. An electric push rod 29 is fixedly connected to the outer wall of the cutting table 1. A push plate 30 is fixedly connected to the output end of the electric push rod 29. A pull rope 31 is fixedly connected to the outer wall of the push plate 30. The pull rope 31 passes through the cutting table 1. When the electric push rod 29 extends the push plate 30, the pull rope 31 is forced to move the baffle 17 away from the opening of the placement seat 16, so that the uncut PPR pipe can push out the cut PPR pipe.

[0036] Working principle: The PPR pipe is placed on the placement seat 16 of the cutting table 1. Motor 23 drives the bidirectional lead screw 24 to rotate. Under the sliding limit of the inner wall of the cutting table 1, the two sets of clamps 25 move closer to each other, limiting the two sides of the PPR pipe. At the same time, the micro motor 27 on the clamp 25 drives the drive wheel 28 to rotate. Since the center of the drive wheel 28 is concave, it can better fit the PPR pipe, thus conveying the PPR pipe. During the conveying process, the end of the PPR pipe contacts the baffle 17, which plays an initial limiting role. If the cutting length needs to be adjusted, motor 18 drives the screw 19 to rotate. With the limiting of the slide rod 20, the connecting frame 21 drives the bracket 2 to move on the cutting table 1. By changing the distance between the cutting blade 7 and the baffle 17, the fixed-length cutting setting is achieved. When a bevel cutting is required, the knob 13 is rotated, and the drive wheel 12 at its bottom drives the... The driven wheel 11 rotates, causing the support shaft 8 to rotate. The mounting housing 5 and the cutting blade 7 rotate accordingly. The indicator 10 on the outer wall of the support shaft 8 indicates the angle on the annular dial 9. After adjusting to the required angle, the positioning rod 15 is screwed into the screw hole 14 at the corresponding position on the outer wall of the knob 13 to position the knob 13 and fix the tilt angle of the cutting blade 7. During cutting, the cylinder 3 drives the lifting frame 4 to descend. With the assistance of the guide rods on both sides, the lifting frame 4 moves down stably. The cutting motor 6 drives the cutting blade 7 to rotate at high speed to cut the PPR pipe. After cutting, the electric push rod 29 pushes the push plate 30 to extend. The pulling rope 31 is forced to move the baffle 17 along the slide groove 32, moving it away from the opening of the placement seat 16. At this time, the uncut PPR pipe continues to move forward under the conveying action of the drive wheel 28, pushing the cut PPR pipe out of the placement seat 16 and completing one cutting operation.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 utility model should be included within the protection scope of the present utility model.

Claims

1. A PPR pipe cutting machine with a fixed-length cutting structure, comprising a cutting table (1), characterized in that: The top of the cutting table (1) is provided with a bracket (2), and a cylinder (3) is fixedly connected to the top of the bracket (2). The output end of the cylinder (3) is fixedly connected to a lifting frame (4). The inner wall of the lifting frame (4) is rotatably connected to a support shaft (8). The bottom end of the support shaft (8) is fixedly connected to a mounting shell (5). The outer wall of the mounting shell (5) is fixedly connected to a cutting motor (6). The output end of the cutting motor (6) is fixedly connected to a cutting blade (7). The inner surface of the lifting frame (4) is fixedly connected to an annular scale (9). The outer wall of the support shaft (8) is fixedly connected to an indicator (10). The outer wall of the support shaft (8) is fixedly connected to a driven wheel (11). The inside of the lifting frame (4) is provided with a knob (13). The bottom end of the knob (13) is open to... A drive wheel (12) is fixedly connected to the rotating shaft. A screw hole (14) is opened on the outer wall of the knob (13). A positioning rod (15) is threadedly connected to the inner wall of the lifting frame (4). A placement seat (16) is fixedly connected to the top of the cutting table (1). A motor (18) is fixedly connected to the bottom of the cutting table (1) through a mounting plate. A screw (19) is fixedly connected to the output end of the motor (18). A slide rod (20) is also fixedly connected to the bottom of the cutting table (1) through a mounting plate. A connecting frame (21) is threadedly connected to the outer wall of the screw (19) through a nut. A roller (22) is also rotatably connected to the bottom of the bracket (2) through a rotating shaft. A baffle (17) is provided on the top of the cutting table (1). A clamping assembly is provided on the outer wall of the cutting table (1).

2. The PPR pipe cutting machine with a fixed-length cutting structure according to claim 1, characterized in that: The annular dial (9) is fitted on the outer wall of the support shaft (8), and the driven wheel (11) meshes with the driving wheel (12).

3. A PPR pipe cutting machine with a fixed-length cutting structure according to claim 1, characterized in that: The positioning rod (15) passes through the lifting frame (4), and the outer wall of the positioning rod (15) is threadedly connected to the inner wall of the screw hole (14).

4. A PPR pipe cutting machine with a fixed-length cutting structure according to claim 1, characterized in that: The clamping assembly includes a second motor (23), the output end of which is fixedly connected to a bidirectional lead screw (24). The outer wall of the bidirectional lead screw (24) is also threadedly connected to a clamping seat (25) via a nut. The outer wall of the clamping seat (25) is provided with an installation groove (26). The top of the clamping seat (25) is fixedly connected to a micro motor (27), and the output end of the micro motor (27) is also fixedly connected to a drive wheel (28) via a rotating shaft.

5. A PPR pipe cutting machine with a fixed-length cutting structure according to claim 4, characterized in that: The outer wall of the second motor (23) is also fixedly connected to the outer wall of the cutting table (1) away from the baffle (17) by a mounting plate.

6. A PPR pipe cutting machine with a fixed-length cutting structure according to claim 4, characterized in that: The outer wall of the clamp (25) is slidably connected to the inner wall of the cutting table (1), and the center of the drive wheel (28) is recessed.

7. A PPR pipe cutting machine with a fixed-length cutting structure according to claim 1, characterized in that: The top of the cutting table (1) is provided with a sliding groove (32), and an electric push rod (29) is fixedly connected to the outer wall of the cutting table (1). A push plate (30) is fixedly connected to the output end of the electric push rod (29), and a pull rope (31) is fixedly connected to the outer wall of the push plate (30).

8. A PPR pipe cutting machine with a fixed-length cutting structure according to claim 7, characterized in that: The pull rope (31) passes through the cutting table (1), and the inner wall of the chute (32) is adapted to the outer wall of the baffle (17).

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