Plastic pipe cutting machine

Abstract

The utility model discloses a kind of plastic tubular product cutting machines, it is related to tubular product cutting technical field.Limited groove for placing tubular product and limiting tubular product is equipped on cutting table, and cutting assembly is slidably assembled along the length direction of cutting table;When longitudinal cutting is carried out, cutting part is driven to move towards tubular product, and it is moved to preset position, cutting assembly is driven to move along the length direction of cutting table, so that longitudinal cutting is carried out to tubular product located in limited groove by cutting part;During the whole cutting process, tubular product is limited by limited groove, and cutting part slides relative to cutting table along with cutting assembly, so that relative stable state is maintained between cutting part and tubular product, so as to ensure the depth of cutting, improve cutting quality;Significantly reduce the probability that traditional cutting by artificial handheld cutter leads to difficult to control cutting depth and causes cutting failure.

Description

Technical Field

[0001] This utility model relates to the field of pipe cutting technology, and in particular to a plastic pipe cutting machine. Background Technology

[0002] Plastic (PVC) pipes are cut according to usage requirements. For example, if it is necessary to peel off the outer polymer material, the pipe needs to be longitudinally cut, that is, cut along the length of the pipe and form a slit on one side wall of the pipe along the axial direction. This is used to peel the outer polymer material from the pipe body.

[0003] Currently, most cutting is done manually with hand-held blades. During operation, the blades are easily affected by human factors (such as hand tremors or uneven force), making it difficult to accurately control the cutting depth (if the cutting depth is too deep, it is easy to damage the pipe body; if it is too shallow, it is easy to cause incomplete peeling), thus causing cutting failure. Utility Model Content

[0004] The main purpose of this invention is to propose a plastic pipe cutting machine, which aims to improve the problem that it is difficult to control the cutting depth when cutting pipes manually with a hand-held knife, which leads to cutting failure.

[0005] To achieve the above objectives, this utility model proposes a plastic pipe cutting machine, having intersecting X, Y, and Z directions, comprising:

[0006] A cutting table has an upper surface, the upper surface being provided with a limiting groove extending along the X direction, the limiting groove being used to place and limit the pipe material;

[0007] A cutting assembly is movably connected to the upper surface along the X direction, and the cutting assembly has a cutting part that can move along the Z direction; in the Z direction, the cutting part is correspondingly disposed with the limiting groove, and the cutting part is located above the limiting groove.

[0008] In one embodiment, the limiting groove includes a plurality of limiting sub-grooves, which are arranged at intervals in the X direction;

[0009] A notch is formed between two adjacent limiting sub-grooves, and both limiting sub-grooves located on both sides of the cut along the X direction are connected to the notch.

[0010] In one embodiment, the plastic pipe cutting machine further includes a support block;

[0011] The bearing block is a plurality of such bearing blocks, which are arranged at intervals along the X direction such that the interval between two adjacent bearing blocks forms the gap.

[0012] In the Z direction, at least part of the side of the bearing block opposite to the upper surface is recessed toward the upper surface to form the limiting sub-groove;

[0013] In the X direction, the limiting sub-slot extends through both sides of the bearing block along the X direction, so that the limiting sub-slot communicates with the notch.

[0014] In one embodiment, the cross-sectional shape of the limiting sub-groove is V-shaped.

[0015] In one embodiment, the cutting assembly includes:

[0016] A sliding frame, slidably mounted on the upper surface along the X-axis, the sliding frame having a receiving space extending through the sliding frame in the Z-axis towards the limiting groove; and

[0017] The lifting assembly is at least partially located within the accommodating space;

[0018] A cutting blade is disposed within the receiving space and installed on the lifting assembly, used to drive the cutting blade to move along the Z direction; the cutting blade forms the cutting section.

[0019] In one embodiment, the lifting assembly includes:

[0020] A lifting frame, disposed within the accommodating space, is movable along the Z-direction; and

[0021] An adjusting screw is arranged along the Z-direction and threadedly mounted on the sliding frame. In the Z-direction, the adjusting screw has a screwing end away from the limiting groove and a connecting end close to the limiting groove.

[0022] In the Z direction, the screwing end extends upward out of the sliding frame, and the connecting end is rotatably connected to the lifting frame.

[0023] In one embodiment, the cutting assembly further includes an elastic element disposed within the receiving space;

[0024] The elastic element is sleeved on the outer periphery of the adjusting screw, with one end of the elastic element away from the limiting groove connected to the sliding frame and the other end of the elastic element close to the limiting groove connected to the lifting frame.

[0025] In one embodiment, the sliding frame includes:

[0026] Mounting plates, having two; in the Y direction, the two mounting plates are arranged at a distance from each other; and

[0027] A connecting plate is located above the mounting plate in the Z direction, and is connected to the two mounting plates on both sides along the Y direction.

[0028] The space enclosed between the two mounting plates and the connecting plate forms the receiving space, and the lifting frame is slidably mounted on the mounting plates on both sides along the Y direction.

[0029] In one embodiment, in the Z direction, the mounting plate has a groove on the side facing the limiting groove;

[0030] The upper surface is provided with a guide rail at a corresponding position that is slidably assembled with the slide groove. The guide rail extends along the X direction and is used to allow the sliding frame to be slidably assembled with the cutting table along the X direction.

[0031] In one embodiment, the plastic pipe cutting machine further includes a stop plate disposed on the upper surface, and two stop plates are provided;

[0032] The two stop plates are respectively disposed on both sides of the limiting groove along the X direction, so that the limiting groove is located between the two stop plates, and the distance between the two stop plates matches the length of the pipe.

[0033] This utility model relates to a plastic pipe cutting machine, which includes a cutting table with a limiting groove for placing and positioning the pipe. A cutting assembly is slidably mounted along the length of the cutting table. During longitudinal cutting, the cutting part is controlled to move away from the limiting groove, placing the pipe into the limiting groove and limiting it. Then, the cutting part is driven to move towards the pipe and to a preset position, driving the cutting assembly to move along the length of the cutting table. This allows the cutting part to longitudinally cut the pipe located in the limiting groove. Throughout the cutting process, the pipe is limited by the limiting groove, and the cutting part slides relative to the cutting table with the cutting assembly, maintaining a relatively stable relationship between the cutting part and the pipe. This ensures the cutting depth and improves cutting quality (achieving a separation effect between the polymer material and the pipe body). It significantly reduces the probability of cutting failure caused by the difficulty in controlling the cutting depth when using manual hand-held cutting tools. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0035] Figure 1This is a schematic diagram of the overall structure of the plastic pipe cutting machine of this utility model;

[0036] Figure 2 This utility model relates to a plastic pipe cutting machine. Figure 1 Another structural diagram from a different perspective;

[0037] Figure 3 This utility model relates to a plastic pipe cutting machine. Figure 1 A schematic diagram of the structure from another perspective;

[0038] Figure 4 This is a schematic diagram showing the installation relationship of the guide rail and sliding frame of the plastic pipe cutting machine of this utility model;

[0039] Figure 5 This is a schematic diagram of the lifting assembly structure of the plastic pipe cutting machine of this utility model;

[0040] Figure 6 This is a schematic diagram showing the installation relationship between the support block and the cutting table of the plastic pipe cutting machine of this utility model;

[0041] Figure 7 This is a schematic diagram showing the positional relationship between the pipe, the limiting groove, and the bearing block in the plastic pipe cutting machine of this utility model.

[0042] Explanation of icon numbers:

[0043] 1. Cutting table; 11. Top surface; 12. Guide rail; 13. Limiting block; 14. Stop plate;

[0044] 2. Limiting groove; 21. Limiting sub-groove; 22. Notch;

[0045] 3. Cutting assembly; 31. Cutting section; 32. Sliding frame; 321. Mounting plate; 3211. Slide groove; 322. Connecting plate; 33. Lifting assembly; 331. Lifting frame; 332. Adjusting screw; 34. Elastic element;

[0046] 4. Bearing block;

[0047] 5. Pipes.

[0048] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0049] 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 scope of protection of the present utility model.

[0050] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0051] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0052] PVC pipes are cut according to usage requirements. For example, if the outer polymer material needs to be peeled off, the pipe needs to be longitudinally cut, that is, cut along the length of the pipe, forming a slit on one side wall along the axial direction. This is used to peel the outer polymer material from the pipe body. Currently, manual cutting with a hand-held cutter is often used. During operation, the cutter is easily affected by human factors (such as hand tremors or uneven force), making it difficult to accurately control the cutting depth (if the cutting depth is too deep, it is easy to damage the pipe body; if it is too shallow, it is easy to cause incomplete peeling), thus causing cutting failure.

[0053] Based on this, refer to Figure 1 , Figure 2 As shown, this application provides a plastic pipe cutting machine with intersecting X, Y, and Z directions, including a cutting table 1 and a cutting assembly 3. The cutting table 1 has an upper surface 11 with a limiting groove 2 extending along the X direction. The limiting groove 2 is used to place the pipe 5 to be cut and to limit its position. The cutting assembly 3 is movably connected to the upper surface 11 along the X direction. The cutting assembly 3 has a cutting section 31 that can move along the Z direction, and in the Z direction, the cutting section 31 corresponds to the position of the limiting groove 2, with the cutting section 31 located above the limiting groove 2 (e.g., ...). Figure 3As shown, by moving the cutting component 3 along the X direction, the cutting part 31 is moved synchronously to achieve longitudinal cutting of the pipe 5 located in the limiting groove 2.

[0054] In this embodiment, the cutting part 31 can move in the Z direction, so that when cutting the pipe 5, it moves towards the limiting groove 2, and the cutting part 31 at least partially contacts the upper surface 11 of the pipe 5. It can be understood that in actual operation, the distance of the cutting part 31 moving downward is precisely controlled according to the cutting requirements, and the polymer material on the surface of the pipe 5 is peeled off without damaging the pipe 5 body. After the pipe 5 is cut, a slit will be formed on the surface of the pipe 5 on one side of the axial direction, thereby peeling off the polymer material on the surface of the pipe 5. When the pipe 5 is removed from the limiting groove 2, the cutting part 31 is driven to move a certain distance in the Z direction away from the limiting groove 2 (to make way for the removal of the pipe 5), thereby removing the longitudinally cut pipe 5 from the limiting groove 2.

[0055] It is understood that the cutting part 31 in this embodiment can be a blade or other cutting tool; it should be noted that when the cutting part 31 is driven to move along the Z direction toward the limiting groove 2 and is used to cut the pipe 5, the cutting part 31 should only cut one side wall of the pipe 5 along the axial direction (that is, the pipe wall of the pipe 5 facing the cutting part 31) to meet the cutting requirements.

[0056] Reference Figure 6 As shown, in one embodiment of this application, the limiting groove 2 includes multiple limiting sub-grooves 21. In the X-direction, the multiple limiting sub-grooves 21 are arranged at intervals. When the pipe 5 is placed in the limiting groove 2, different sections of the pipe 5 are respectively located in different limiting sub-grooves 21; for example... Figure 2 , Figure 6 As shown, a notch 22 is formed in the area between two adjacent limiting sub-grooves 21. The two limiting sub-grooves 21 located on both sides of the cut along the X direction are connected to the notch 22, so that the pipe 5 can be placed in different limiting sub-grooves 21 respectively.

[0057] In this embodiment, when the pipe 5 is cut, some cutting debris will inevitably be generated during the cutting process and fall into the limiting sub-groove 21. After continuous cutting, a certain amount of cutting debris will accumulate in the limiting sub-groove 21, which needs to be cleaned. In this embodiment, the limiting groove 2 is divided into multiple limiting sub-grooves 21 arranged at intervals along the X direction, and a gap 22 is formed between two adjacent limiting sub-grooves 21. This makes it easier for the staff to clean the cutting debris in the limiting sub-groove 21 outward. The staff only needs to push the cutting debris accumulated in the limiting sub-groove 21 from both ends of the limiting sub-groove 21 along the length direction of the limiting sub-groove 21 and let it fall into the gap 22. Since the length of each limiting sub-groove 21 is relatively short, compared with setting an uninterrupted limiting groove 2 directly on the upper surface 11 of the cutting table 1, the difficulty of cleaning the cutting debris in the limiting groove 2 is significantly reduced.

[0058] Reference Figure 1 , Figure 6 As shown, in one embodiment of this application, the plastic pipe cutting machine further includes a support block 4. Multiple support blocks 4 are arranged at intervals along the X-direction, such that the space between two adjacent support blocks 4 forms the aforementioned gap 22; as shown... Figure 3 , Figure 7 As shown, in the Z direction, the side of the bearing block 4 away from the upper surface 11 is at least partially recessed towards the upper surface 11 and forms the aforementioned limiting sub-groove 21. In the X direction, the two ends of the limiting sub-groove 21 are respectively connected to the notch 22, thereby being used to insert the pipe 5 into the multiple limiting sub-grooves 21.

[0059] In this embodiment, the bearing block 4 can be made of a material with a high coefficient of friction, or a layer of a material with a high coefficient of friction, such as rubber, can be applied to the surface of the limiting sub-groove 21 (that is, the part where the pipe 5 contacts the limiting sub-groove 21). This increases the frictional resistance between the pipe 5 and the limiting sub-groove 21, so as to prevent the pipe 5 from moving relative to the limiting groove 2 when it is cut. Alternatively, stop members can be provided on both sides of the upper surface 11 of the cutting table 1 along the X direction. The stop members are located on both sides of the limiting groove 2 along the X direction. When the pipe 5 is placed in the limiting groove 2, the two ends of the pipe 5 along the X direction abut against the stop members. Thus, when it is cut, the pipe 5 can be effectively limited in the limiting groove 2, and the displacement of the pipe 5 relative to the limiting groove 2 during the cutting process (affecting the cutting process) can be avoided.

[0060] It is understood that the support block 4 can be integrally set with the upper surface 11 of the cutting table 1 or it can be set separately. When it is set separately, it can be fixedly installed on the upper surface 11 using fasteners. In this embodiment, a limiting groove 2 for placing the pipe 5 is formed by arranging multiple support blocks 4 at intervals along the X direction and splicing the limiting sub-grooves 21 on the multiple support blocks 4, thereby reducing the use of materials. For example, if the limiting groove 2 in this solution is a complete groove structure, then a continuous support block 4 (that is, a support block 4 extending along the X direction without interruption) needs to be set on the upper surface 11 of the cutting table 1. Compared with arranging multiple spaced support blocks 4 on the upper surface 11, the material requirement when manufacturing the cutting machine can be significantly reduced, which helps to save costs.

[0061] Reference Figure 3 , Figure 7 As shown in one embodiment of this application, the cross-sectional shape of the limiting sub-groove 21 is V-shaped. When the cutting part 31 cuts the upper half of the pipe wall of the pipe 5, the cutting part 31 applies a downward pressure to the pipe 5, thereby causing the pipe 5 to have a downward tendency in the Z direction. The two inclined side walls of the V-shaped limiting sub-groove 21 can clamp and tighten the pipe 5 with the downward tendency, thereby achieving better constraint and limitation of the pipe 5 and ensuring that it can maintain a relatively stable state during the cutting process.

[0062] Reference Figure 3 , Figure 4 , Figure 5 As shown, in one embodiment of this application, the cutting assembly 3 includes a sliding frame 32, a lifting assembly 33, and a cutting blade; wherein, the sliding frame 32 is slidably mounted on the upper surface 11 along the X direction, the sliding frame 32 has a receiving space, and in the Z direction, the side of the receiving space facing the limiting groove 2 passes through the sliding member; the lifting assembly 33 is at least partially disposed in the receiving space, the cutting blade is installed on the lifting assembly 33, and the lifting assembly 33 drives the cutting blade to move in the Z direction, and the cutting blade forms the aforementioned cutting portion 31.

[0063] In this embodiment, the receiving space is provided through the sliding frame 32 on the side near the limiting groove 2, thereby enabling the cutting blade to contact the pipe 5 and cut the pipe 5; the receiving space is provided to provide space for the cutting blade to move in the Z direction.

[0064] It is understandable that the movement of the sliding frame 32 along the X direction can be manually pushed or driven by a drive component. Manual driving simplifies the structure of the cutting machine and reduces manufacturing costs. Alternatively, a drive component can be used, such as a motor with a lead screw and the lead screw threadedly assembled with the sliding frame 32, thereby enabling the sliding frame 32 to move along the X direction.

[0065] Reference Figure 4 , Figure 5 As shown, in one embodiment of this application, the lifting assembly 33 includes a lifting frame 331 and an adjusting screw 332. The lifting frame 331 is disposed within the accommodating space and moves along the Z-direction within the accommodating space. The adjusting screw 332 extends along the Z-direction and is threadedly mounted on the sliding frame 32. In the Z-direction, the adjusting screw 332 has a screwing end away from the limiting groove 2 and a connecting end close to the limiting groove 2. The screwing end extends upward out of the sliding frame 32 to allow the operator to screw it. The connecting end is rotatably mounted to the lifting frame 331, thereby achieving the effect of driving the lifting frame 331 to move in the Z-direction by screwing the adjusting screw 332, thereby driving the cutting blade to move in the Z-direction.

[0066] In this embodiment, as Figure 3 , Figure 4 As shown, the lifting frame 331 is U-shaped, and the cutting blade is installed in the area between the two cantilever arms of the U-shaped lifting frame 331. It can be understood that when the cutting blade cuts the pipe 5, as the sliding frame 32 moves, the cutting blade forms a slit on one side wall surface of the pipe 5 in the axial direction, and the polymer material on the surface of the pipe 5 is peeled off through the slit.

[0067] Reference Figure 5 As shown, in one embodiment of this application, the cutting assembly 3 further includes an elastic element 34. The elastic element 34 is disposed within the accommodating space and is sleeved on the outer periphery of the adjusting screw 332. The end of the elastic element 34 away from the limiting groove 2 is connected to the sliding frame 32, and the end of the elastic element 34 near the limiting groove 2 is connected to the lifting frame 331. Thus, when the adjusting screw 332 is turned and the cutting blade is driven to move downward, the elastic element 34 will apply a corresponding damping force to the adjusting screw 332. This allows for precise adjustment of the downward movement distance of the cutting blade each time the adjusting screw 332 is rotated and the cutting blade is driven to move downward, and better control over the cutting depth, avoiding situations where the cutting is too deep (damaging the pipe 5 body) or too shallow (resulting in incomplete peeling).

[0068] Reference Figure 3 As shown, in one embodiment of this application, the sliding frame 32 includes a mounting plate 321 and a connecting plate 322; wherein, there are two mounting plates 321, arranged at intervals in the Y direction; the connecting plate 322 is located above the two mounting plates 321, and the two sides of the connecting plate 322 are respectively connected to the mounting plates 321 along the Y direction; the space between the two mounting plates 321 and the connecting plate 322 forms the aforementioned receiving space, and the adjusting screw 332 is threaded onto the connecting plate 322 and extends upward from the connecting plate 322; as Figure 4As shown, two mounting plates 321 each have a sliding track extending along the Z direction on their opposite sides (not shown in the figure), such as... Figure 5 As shown, sliding columns that cooperate with the slide rail are provided on both sides of the lifting frame 331 along the Y direction, thereby enabling the lifting frame 331 to be moved and arranged along the Z direction within the accommodating space, and when the adjusting screw 332 is turned, the lifting frame 331 can be moved within the accommodating space.

[0069] It is understandable that the mounting plate 321 and the connecting plate 322 can be connected by fasteners, such as bolts, or by welding.

[0070] Reference Figure 4 As shown, in one embodiment of this application, in the Z direction, the mounting plate 321 has a sliding groove 3211 on the side facing the limiting groove 2. The upper surface 11 of the cutting table 1 is provided with a guide rail 12 corresponding to the sliding groove 3211, and the guide rail 12 extends in the X direction. Through the cooperation between the guide rail 12 and the sliding groove 3211, the sliding frame 32 can slide in the X direction.

[0071] Reference Figure 1 , Figure 2 , Figure 6 As shown in one embodiment of this application, the plastic pipe cutting machine further includes two stop plates 14. The two stop plates 14 are respectively located on both sides of the limiting groove 2 along the X direction. When the pipe 5 is placed into the limiting groove 2, the two ends of the pipe 5 abut against the corresponding stop plates 14 respectively (it should be noted that the distance between the two stop plates 14 facing each other should match the length of the pipe 5 to be cut). When cutting the pipe 5, the two stop plates 14 restrict the pipe 5 so that it will not move relative to the limiting groove 2, thereby ensuring the smooth progress of the cutting process.

[0072] Understandably, the length of the pipe 5 can also be slightly less than the distance between the two stop plates 14 (which makes it easier to place the pipe 5 in the limiting groove 2 between the two stop plates 14), so that even if the pipe 5 moves slightly during the cutting process, it will not affect the cutting.

[0073] Reference Figure 1 , Figure 6 As shown in one embodiment of this application, the plastic pipe cutting machine further includes a limiting block 13. There are two limiting blocks 13, which are respectively disposed at both ends of the cutting table 1 along the X direction. They are used to restrict the sliding frame 32 from moving between the two limiting blocks 13, so as to prevent the sliding frame 32 from detaching from the upper surface 11 of the cutting table 1 and causing a safety accident.

[0074] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A plastic pipe cutting machine, comprising intersecting X, Y, and Z axes, characterized in that, include: A cutting table has an upper surface, the upper surface being provided with a limiting groove extending along the X direction, the limiting groove being used to place and limit the pipe material; A cutting assembly is movably connected to the upper surface along the X direction, and the cutting assembly has a cutting part that can move along the Z direction; in the Z direction, the cutting part is correspondingly disposed with the limiting groove, and the cutting part is located above the limiting groove.

2. The plastic pipe cutting machine as described in claim 1, characterized in that, The limiting groove includes multiple limiting sub-grooves, which are arranged at intervals in the X direction; A notch is formed between two adjacent limiting sub-grooves, and both limiting sub-grooves located on both sides of the cut along the X direction are connected to the notch.

3. The plastic pipe cutting machine as described in claim 2, characterized in that, The plastic pipe cutting machine also includes a support block; The bearing block is a plurality of such bearing blocks, which are arranged at intervals along the X direction such that the interval between two adjacent bearing blocks forms the gap. In the Z direction, at least part of the side of the bearing block opposite to the upper surface is recessed toward the upper surface to form the limiting sub-groove; In the X direction, the limiting sub-slot extends through both sides of the bearing block along the X direction, so that the limiting sub-slot communicates with the notch.

4. The plastic pipe cutting machine as described in claim 2, characterized in that, The cross-sectional shape of the limiting sub-groove is V-shaped.

5. The plastic pipe cutting machine as described in any one of claims 1-4, characterized in that, The cutting assembly includes: A sliding frame, slidably mounted on the upper surface along the X-axis, the sliding frame having a receiving space extending through the sliding frame in the Z-axis towards the limiting groove; and The lifting assembly is at least partially located within the accommodating space; A cutting blade is disposed within the receiving space and installed on the lifting assembly, used to drive the cutting blade to move along the Z direction; the cutting blade forms the cutting section.

6. The plastic pipe cutting machine as described in claim 5, characterized in that, The lifting assembly includes: A lifting frame, disposed within the accommodating space, is movable along the Z-direction; and An adjusting screw is arranged along the Z-direction and threadedly mounted on the sliding frame. In the Z-direction, the adjusting screw has a screwing end away from the limiting groove and a connecting end close to the limiting groove. In the Z direction, the screwing end extends upward out of the sliding frame, and the connecting end is rotatably connected to the lifting frame.

7. The plastic pipe cutting machine as described in claim 6, characterized in that, The cutting assembly further includes an elastic element disposed within the receiving space; The elastic element is sleeved on the outer periphery of the adjusting screw, with one end of the elastic element away from the limiting groove connected to the sliding frame and the other end of the elastic element close to the limiting groove connected to the lifting frame.

8. The plastic pipe cutting machine as described in claim 5, characterized in that, The sliding frame includes: Mounting plates, having two; in the Y direction, the two mounting plates are arranged at a distance from each other; and A connecting plate is located above the mounting plate in the Z direction, and is connected to the two mounting plates on both sides along the Y direction. The space enclosed between the two mounting plates and the connecting plate forms the receiving space, and the lifting frame is slidably mounted on the mounting plates on both sides along the Y direction.

9. The plastic pipe cutting machine as described in claim 8, characterized in that, In the Z direction, the mounting plate has a sliding groove on the side facing the limiting groove; The upper surface is provided with a guide rail at a corresponding position that is slidably assembled with the slide groove. The guide rail extends along the X direction and is used to allow the sliding frame to be slidably assembled with the cutting table along the X direction.

10. The plastic pipe cutting machine as described in claim 1, characterized in that, The plastic pipe cutting machine also includes a stop plate disposed on the upper surface, and two stop plates are provided; The two stop plates are respectively disposed on both sides of the limiting groove along the X direction, so that the limiting groove is located between the two stop plates, and the distance between the two stop plates matches the length of the pipe.

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