Cutting mechanism for polyethylene pipe production

Abstract

The utility model belongs to polyethylene pipe material technical field especially is a kind of cutting mechanism for polyethylene pipe material production;Including processing platform and pipe body, the top of processing platform is provided with pipe clamping structure, pipe cutting structure and marking structure, the arrangement of pipe clamping structure, pipe cutting structure and marking structure is sequentially arranged from back to front, the pipe body is sequentially penetrated pipe clamping structure, pipe cutting structure and marking structure;Before cutting of pipe cutting structure, pipe body is inserted into moving ring, combined with the scale of sliding rail outer wall, operator can quickly position to preset cutting length, then rotate screw rod, and realize the axial positioning and fixed of pipe by the thread transmission and push positioning arc plate close to pipe surface, rotating ring can drive clamping block and marking pen to rotate around pipe circumference at this time, and clear closed annular cutting line is drawn on pipe outer wall.

Description

Technical Field

[0001] This utility model relates to the field of polyethylene pipe technology, specifically a cutting mechanism for polyethylene pipe production. Background Technology

[0002] Polyethylene pipes are pipes made of polyethylene, a highly crystalline, non-polar thermoplastic resin. In its original state, polyethylene is milky white and, in thin sections, is somewhat translucent. PE has excellent resistance to most household and industrial chemicals. During the production of polyethylene pipes, it is necessary to cut the pipes to the required length, which necessitates the use of cutting equipment.

[0003] Currently, pipe cutting machines often need to precisely mark the area to be cut on the pipe before performing the cutting operation. However, the marking method commonly used in the industry still mainly relies on manual operation by operators, that is, after visually locating the pipe, manually drawing lines on the pipe surface using tools such as markers. This traditional manual marking method is not only inefficient, but also prone to deviations in marking position due to human factors, making it difficult to guarantee the accuracy and consistency of the markings.

[0004] Therefore, we propose a cutting mechanism for polyethylene pipe production to solve the above problems. Utility Model Content

[0005] (a) Technical problems to be solved To address the shortcomings of existing technologies, this utility model provides a cutting mechanism for polyethylene pipe production, which solves the problems mentioned in the background section.

[0006] (II) Technical Solution To achieve the above objectives, this utility model specifically adopts the following technical solution: A cutting mechanism for producing polyethylene pipes includes a processing table and a pipe body. The top of the processing table is provided with a pipe clamping structure, a pipe cutting structure and a marking structure. The pipe clamping structure, the pipe cutting structure and the marking structure are arranged in a back-to-front manner. The pipe body passes through the pipe clamping structure, the pipe cutting structure and the marking structure in sequence. A control panel is provided on the front side of the processing table. The marking structure includes a slide rail, a slider is slidably connected to the top of the slide rail, a movable ring is fixedly installed at the top of the slider, a rotating screw is threadedly connected to the back side of the movable ring, and a positioning arc plate is rotatably connected to the end of the rotating screw.

[0007] Furthermore, the pipe clamping structure includes a support base, an external motor is fixedly installed on the side end of the support base, a double-segment screw is fixedly installed on the output shaft of the external motor, two moving blocks are threadedly connected to the surface of the double-segment screw, and clamping plates are fixedly installed on the opposite ends of the two moving blocks.

[0008] Furthermore, the surface of the dual-segment screw is provided with two teeth in opposite directions, and the two moving blocks move in opposite directions.

[0009] Furthermore, the pipe cutting structure includes a fixed back plate, the fixed back plate has a through opening inside, a hydraulic cylinder is fixedly installed on the front side of the fixed back plate, and a hinge plate is hinged to the movable end of the hydraulic cylinder.

[0010] Furthermore, the back side of the hinge plate is rotatably connected to the front side of the fixed back plate, and a cutting device is fixedly installed on the front side of the hinge plate.

[0011] Furthermore, a lifting roller shaft is rotatably connected to the front side of the fixed back plate, and the lifting roller shaft is located obliquely below the cutting equipment.

[0012] Furthermore, a rotating ring is rotatably connected to the front side of the movable ring, a clamping block is fixedly installed on the front side of the rotating ring, and a marking pen is movably engaged on the front side of the clamping block.

[0013] (III) Beneficial Effects Compared with the prior art, this utility model provides a cutting mechanism for polyethylene pipe production, which has the following advantages: This invention, by setting a marking structure, allows the pipe body to be inserted into a moving ring before the pipe cutting structure begins cutting. Combined with the scale on the outer wall of the slide rail, the operator can quickly position the pipe to the preset cutting length. Then, by rotating the rotating screw, the positioning arc plate is pushed tightly against the pipe surface through threaded transmission, achieving axial positioning and fixing of the pipe. At this time, the rotating ring can drive the clamping block and marking pen to rotate around the circumference of the pipe, drawing a clear and closed annular cutting line on the outer wall of the pipe. This process does not require manual hand-held marking tools, avoiding marking skew caused by hand tremors or visual deviation, and significantly improving marking accuracy and consistency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the pipe clamping structure of this utility model; Figure 3 This is a schematic diagram of the pipe cutting structure of this utility model; Figure 4 This is a schematic diagram of the marking structure of this utility model.

[0015] In the diagram: 1. Processing table; 2. Pipe body; 3. Pipe clamping structure; 301. Support base; 302. External motor; 303. Double-segment screw; 304. Moving block; 305. Clamping plate; 4. Pipe cutting structure; 401. Fixed back plate; 402. Through-hole; 403. Hydraulic cylinder; 404. Hinge plate; 405. Cutting equipment; 406. Lifting roller shaft; 5. Marking structure; 501. Slide rail; 502. Slider; 503. Moving ring; 504. Rotating screw; 505. Positioning arc plate; 506. Rotating ring; 507. Clamping block; 508. Marking pen; 6. Control panel. Detailed Implementation

[0016] 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. Example

[0017] like Figure 1-4 As shown in the figure, a cutting mechanism for polyethylene pipe production according to one embodiment of the present invention includes a processing table 1 and a pipe body 2. The top of the processing table 1 is provided with a pipe clamping structure 3, a pipe cutting structure 4 and a marking structure 5. The pipe clamping structure 3, the pipe cutting structure 4 and the marking structure 5 are arranged in sequence from back to front. The pipe body 2 passes through the pipe clamping structure 3, the pipe cutting structure 4 and the marking structure 5 in sequence. A control panel 6 is provided on the front side of the processing table 1.

[0018] The marking structure 5 includes a slide rail 501, with a scale on the outer wall of the slide rail 501. A slider 502 is slidably connected to the top of the slide rail 501. A moving ring 503 is fixedly installed at the top of the slider 502. A rotating screw 504 is threadedly connected to the back side of the moving ring 503. A positioning arc plate 505 is rotatably connected to the end of the rotating screw 504. A rotating ring 506 is rotatably connected to the front side of the moving ring 503. A clamping block 507 is fixedly installed on the front side of the rotating ring 506. A marking pen 508 is movably engaged on the front side of the clamping block 507.

[0019] When using the marking structure 5 to mark the pipe cutting, the operator first slides the slider 502 along the slide rail 501 according to the required cutting length, so that the moving ring 503 drives the marking pen 508 to move to the preset position corresponding to the scale. Then, the rotating screw 504 is rotated, and the positioning arc plate 505 is pushed towards the pipe body 2 through the threaded transmission until the inner wall of the positioning arc plate 505 is tightly attached to the surface of the pipe, realizing the precise positioning and fixing of the pipe in the axial direction. At this time, the rotating ring 506 can rotate freely around the central axis of the moving ring 503, driving the clamping block 507 and the marking pen 508 to rotate synchronously. The tip of the marking pen 508 draws a continuous and closed ring cutting line on the outer wall of the pipe. The ring cutting line is clear and the position is accurate, providing precise cutting guidance for the subsequent cutting operation of the cutting equipment 405. This effectively avoids the problem of marking skew caused by hand shaking or line of sight deviation in the traditional manual marking method, significantly improving the marking accuracy and consistency, and thus ensuring the cutting quality.

[0020] like Figure 2 As shown, in some embodiments, the pipe clamping structure 3 includes a support base 301, an external motor 302 is fixedly installed on the side end of the support base 301, a double-segment screw 303 is fixedly installed on the output shaft of the external motor 302, the surface of the double-segment screw 303 is provided with two segments of teeth in opposite directions, the movement directions of the two moving blocks 304 are opposite, the surface of the double-segment screw 303 is threaded with two moving blocks 304, and clamping plates 305 are fixedly installed on the opposite ends of the two moving blocks 304.

[0021] Specifically, when the external motor 302 drives the dual-segment screw 303 to rotate, the two reverse teeth on the surface drive the two moving blocks 304 to move in opposite directions, so that the clamping plate 305 clamps the pipe from both sides simultaneously. This symmetrical clamping method can automatically adapt to pipes of different diameters, ensuring that the pipe remains axially stable during the cutting process and preventing the cutting surface from tilting or the size deviation caused by the pipe offset.

[0022] like Figure 3 As shown, in some embodiments, the pipe cutting structure 4 includes a fixed back plate 401, the fixed back plate 401 has a through opening 402 inside, a hydraulic cylinder 403 is fixedly installed on the front side of the fixed back plate 401, the movable end of the hydraulic cylinder 403 is hinged to a hinge plate 404, the back side of the hinge plate 404 is rotatably connected to the front side of the fixed back plate 401, and a cutting device 405 is fixedly installed on the front side of the hinge plate 404.

[0023] Specifically, when the hydraulic cylinder 403 is started, its movable end pushes the hinge plate 404 to rotate around the rotation connection point on the front side of the fixed back plate 401, thereby driving the cutting device 405 to achieve angular deflection. In the non-cutting state, the cutting device 405 is raised to a position away from the pipe to avoid accidental collision with the pipe; After the cutting command is issued, the hydraulic cylinder 403 drives the cutting device 405 to press down quickly, so that the blade of the cutting device 405 can cut into the pipe at a precise vertical angle, ensuring that the flatness and perpendicularity of the cut surface meet the process requirements.

[0024] like Figure 3 As shown, in some embodiments, a lifting roller shaft 406 is rotatably connected to the front side of the fixed back plate 401, and the lifting roller shaft 406 is located obliquely below the cutting device 405.

[0025] Specifically, the lifting roller 406, through its rotating connection design, can effectively support the pipe to maintain a horizontal state, and can also cooperate with the bidirectional clamping action of the pipe clamping structure 3 to form a stable support system in three-dimensional space, further ensuring the axial positioning accuracy of the pipe and the perpendicularity of the cutting surface during the cutting process.

[0026] When in use, first pass the pipe body 2 through the pipe clamping structure 3 and the pipe cutting structure 4. Then, the operator first slides the slider 502 along the slide rail 501 according to the required cutting length, so that the moving ring 503 drives the marking pen 508 to move to the preset position corresponding to the scale. This causes the pipe body 2 to be located inside the moving ring 503. Then, the rotating screw 504 is rotated, and the positioning arc plate 505 is pushed towards the pipe body 2 through the threaded transmission until the inner wall of the positioning arc plate 505 is tightly attached to the surface of the pipe, so as to achieve precise positioning and fixation of the pipe in the axial direction. At this time, the rotating ring 506 can rotate freely around the central axis of the moving ring 503, driving the clamping block 507 and the marking pen 508 to rotate synchronously. The tip of the marking pen 508 draws a continuous and closed ring cutting line on the outer wall of the pipe. The ring cutting line is clear and the position is accurate, providing precise cutting guidance for the subsequent cutting operation of the cutting equipment 405. Next, the pipe body 2 is retracted to the lifting roller shaft 406, so that the annular cutting line is located on the lifting roller shaft 406 at this time; Then the pipe clamping structure 3 is activated, and the external motor 302 drives the double-segment screw 303 to rotate. The two moving blocks 304 move towards each other through the two reverse teeth on the surface, so that the clamping plate 305 clamps the pipe body 2 from both sides simultaneously, ensuring that the pipe remains axially stable during the cutting process. At this time, the hydraulic cylinder 403 is started, and its movable end pushes the hinge plate 404 to rotate around the rotation connection point on the front side of the fixed back plate 401, which drives the cutting device 405 to cut into the pipe at a precise vertical angle. With the support of the lifting roller shaft 406, the blade of the cutting device 405 can smoothly complete the cutting along the circular cutting line, ensuring that the flatness and perpendicularity of the cutting surface meet the process requirements. After the cutting is completed, the hydraulic cylinder 403 drives the cutting equipment 405 to a position away from the pipe, and the operator can then remove the cut pipe from the mechanism.

[0027] In summary, by setting the marking structure 5, before the pipe cutting structure 4 cuts, the pipe body 2 is inserted into the moving ring 503. Combined with the scale on the outer wall of the slide rail 501, the operator can quickly position it to the preset cutting length. Then, by rotating the rotating screw 504, the positioning arc plate 505 is pushed to fit tightly against the pipe surface through the threaded transmission, realizing the axial positioning and fixing of the pipe. At this time, the rotating ring 506 can drive the clamping block 507 and the marking pen 508 to rotate around the circumference of the pipe, drawing a clear and closed annular cutting line on the outer wall of the pipe. This process does not require manual hand-held marking tools, avoiding marking skew caused by hand tremors or visual deviation, and significantly improving marking accuracy and consistency.

[0028] It should be noted that parts have a lifespan and can be replaced during regular maintenance when they no longer meet performance requirements. Deterioration in performance due to prolonged use of parts is not a design defect of this application.

[0029] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A cutting mechanism for producing polyethylene pipes, comprising a processing table (1) and a pipe body (2), characterized in that: The top of the processing table (1) is provided with a pipe clamping structure (3), a pipe cutting structure (4) and a marking structure (5). The pipe clamping structure (3), the pipe cutting structure (4) and the marking structure (5) are arranged in order from back to front. The pipe body (2) passes through the pipe clamping structure (3), the pipe cutting structure (4) and the marking structure (5) in sequence. The front side of the processing table (1) is provided with a control panel (6). The marking structure (5) includes a slide rail (501), the outer wall of the slide rail (501) is provided with a scale, the top of the slide rail (501) is slidably connected to a slider (502), the top of the slider (502) is fixedly installed with a moving ring (503), the back side of the moving ring (503) is threadedly connected to a rotating screw (504), and the end of the rotating screw (504) is rotatably connected to a positioning arc plate (505).

2. The cutting mechanism for polyethylene pipe production according to claim 1, characterized in that: The pipe clamping structure (3) includes a support base (301), an external motor (302) is fixedly installed on the side end of the support base (301), a double-segment screw (303) is fixedly installed on the output shaft of the external motor (302), and two moving blocks (304) are threadedly connected to the surface of the double-segment screw (303). A clamping plate (305) is fixedly installed on the opposite end of the two moving blocks (304).

3. The cutting mechanism for polyethylene pipe production according to claim 2, characterized in that: The surface of the double-segment screw (303) has two teeth with opposite directions, and the two moving blocks (304) move in opposite directions.

4. The cutting mechanism for polyethylene pipe production according to claim 1, characterized in that: The pipe cutting structure (4) includes a fixed back plate (401), the fixed back plate (401) has a through opening (402) inside, a hydraulic cylinder (403) is fixedly installed on the front side of the fixed back plate (401), and a hinge plate (404) is hinged to the movable end of the hydraulic cylinder (403).

5. A cutting mechanism for polyethylene pipe production according to claim 4, characterized in that: The back side of the hinge plate (404) is rotatably connected to the front side of the fixed back plate (401), and a cutting device (405) is fixedly installed on the front side of the hinge plate (404).

6. A cutting mechanism for polyethylene pipe production according to claim 5, characterized in that: The front side of the fixed back plate (401) is rotatably connected to the lifting roller shaft (406), which is located diagonally below the cutting device (405).

7. The cutting mechanism for polyethylene pipe production according to claim 1, characterized in that: The front side of the movable ring (503) is rotatably connected to a rotating ring (506), and a clamping block (507) is fixedly installed on the front side of the rotating ring (506). A marking pen (508) is movably engaged on the front side of the clamping block (507).

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